/* roulang page: index */
:root {
            --primary: #1F3D2B;
            --primary-dark: #152B1E;
            --accent: #D6892A;
            --accent-dark: #B8731F;
            --highlight: #E84D4D;
            --info: #3A6EA5;
            --success: #2E8B57;
            --success-dark: #1F6B3E;
            --bg: #F5F3EE;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2A24;
            --dark-text: #D5D5CF;
            --text-primary: #232323;
            --text-secondary: #5C5C5C;
            --border: #E3E0D9;
            --muted: #9E9E96;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(31,61,43,0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
            --section-padding: 80px;
            --nav-width: 240px;
            --nav-width-tablet: 200px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .mono {
            font-family: var(--font-mono);
        }

        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .section-padding-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .bg-light-warm {
            background-color: var(--bg);
        }

        .bg-white {
            background-color: #fff;
        }

        .bg-dark-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }

        .bg-primary-soft {
            background-color: rgba(31,61,43,0.05);
        }

        .text-primary-custom {
            color: var(--primary) !important;
        }

        .text-accent {
            color: var(--accent) !important;
        }

        .text-highlight {
            color: var(--highlight) !important;
        }

        .text-info-custom {
            color: var(--info) !important;
        }

        .text-secondary-custom {
            color: var(--text-secondary) !important;
        }

        .border-custom {
            border-color: var(--border) !important;
        }

        .rounded-custom {
            border-radius: var(--radius-card) !important;
        }

        .rounded-custom-lg {
            border-radius: var(--radius-large) !important;
        }

        /*===== 左侧竖向导航（桌面端） =====*/
        .desktop-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            min-height: 100vh;
            background-color: var(--primary);
            color: #fff;
            z-index: 1030;
            display: flex;
            flex-direction: column;
            transition: width 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px 20px;
            min-height: 100px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .sidebar-brand .logo-balls {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
        }

        .sidebar-brand .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }

        .sidebar-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .sidebar-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .sidebar-brand .logo-balls .ball-amber {
            background: var(--accent);
        }

        .sidebar-brand .brand-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }

        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav ul li {
            margin: 0;
        }

        .sidebar-nav ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.3px;
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
            border-left-color: var(--accent);
        }

        .sidebar-nav ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left-color: var(--accent);
        }

        .sidebar-nav ul li a .nav-icon {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 14px;
        }

        .sidebar-status {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        /*===== 移动端顶部导航 =====*/
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: var(--primary);
            color: #fff;
            height: 56px;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }

        .mobile-topbar .mobile-brand .logo-balls {
            display: flex;
            gap: 3px;
        }

        .mobile-topbar .mobile-brand .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-red { background: var(--highlight); }
        .mobile-topbar .mobile-brand .logo-balls .ball-blue { background: var(--info); }
        .mobile-topbar .mobile-brand .logo-balls .ball-amber { background: var(--accent); }

        .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.2s;
        }

        .hamburger-btn:hover {
            transform: scale(1.1);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--primary);
            z-index: 1029;
            overflow-y: auto;
            padding: 8px 0 24px;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-menu ul li a {
            display: block;
            padding: 16px 24px;
            color: rgba(255,255,255,0.85);
            font-size: 18px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: all 0.2s;
        }

        .mobile-menu ul li a:hover,
        .mobile-menu ul li a.active {
            background: var(--primary-dark);
            color: #fff;
            padding-left: 32px;
        }

        .mobile-menu .mobile-status {
            padding: 16px 24px;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-menu .mobile-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s infinite;
        }

        /*===== 内容区域 =====*/
        .content-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.3s ease;
        }

        .main-content {
            flex: 1;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /*===== Hero 区域 =====*/
        .hero-section {
            position: relative;
            background-color: #FAF9F7;
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
        }

        .hero-content {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 480px;
            max-width: 560px;
        }

        .hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(31,61,43,0.08);
            color: var(--primary);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            font-weight: 500;
        }

        .hero-text h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-text .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-card {
            flex: 0 0 420px;
            max-width: 100%;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            padding: 28px;
            transition: box-shadow 0.3s ease;
        }

        .hero-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .hero-card .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .hero-card .card-header .lottery-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
        }

        .hero-card .card-header .draw-status {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 500;
        }

        .draw-status.drawn {
            background: rgba(46,139,87,0.15);
            color: var(--success-dark);
        }

        .draw-status.updating {
            background: rgba(31,61,43,0.1);
            color: var(--primary);
        }

        .hero-card .issue-info {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            font-family: var(--font-mono);
        }

        .ball-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .ball {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            transition: transform 0.2s;
        }

        .ball:hover {
            transform: scale(1.08);
        }

        .ball-red {
            background: var(--highlight);
        }

        .ball-blue {
            background: var(--info);
        }

        .ball-amber {
            background: var(--accent);
        }

        .ball-green {
            background: var(--primary);
        }

        .hero-card .pool-info {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .sparkline-placeholder {
            height: 20px;
            margin-top: 12px;
            border-radius: 4px;
            background: rgba(31,61,43,0.06);
            position: relative;
            overflow: hidden;
        }

        .sparkline-placeholder::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            opacity: 0.5;
            transform: translateY(-50%);
            clip-path: polygon(0 60%, 8% 40%, 16% 70%, 24% 30%, 32% 55%, 40% 20%, 48% 50%, 56% 35%, 64% 65%, 72% 25%, 80% 45%, 88% 30%, 100% 55%);
        }

        /*===== 按钮 =====*/
        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-custom-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(31,61,43,0.25);
        }

        .btn-custom-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
        }

        .btn-custom-primary:focus-visible {
            box-shadow: 0 0 0 3px rgba(31,61,43,0.2);
        }

        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-custom-outline:hover {
            background: rgba(31,61,43,0.05);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-custom-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-custom-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(214,137,42,0.3);
        }

        .btn-link-arrow {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s;
        }

        .btn-link-arrow:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
        }

        /*===== 卡片 =====*/
        .custom-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
        }

        .custom-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
        }

        .custom-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(31,61,43,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--primary);
            font-size: 20px;
        }

        .custom-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .custom-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
        }

        .case-card .case-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: rgba(31,61,43,0.08);
        }

        .case-card .case-body {
            padding: 20px 22px 22px;
        }

        .case-card .case-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card .case-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        /*===== 数据指标 =====*/
        .stat-item {
            text-align: center;
            padding: 20px 16px;
        }

        .stat-item .stat-value {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 400;
        }

        .stat-item .stat-sub {
            font-size: 12px;
            color: var(--muted);
            margin-top: 4px;
        }

        /*===== 新闻列表 =====*/
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-list .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }

        .news-list .news-item:last-child {
            border-bottom: none;
        }

        .news-list .news-item:hover {
            background: rgba(31,61,43,0.02);
            margin: 0 -8px;
            padding-left: 8px;
            padding-right: 8px;
            border-radius: 8px;
        }

        .news-list .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
            min-width: 90px;
            padding-top: 2px;
        }

        .news-list .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-list .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-list .news-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .news-list .news-action {
            flex-shrink: 0;
            align-self: center;
        }

        /*===== 深度内容 =====*/
        .deep-content-block {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 36px;
            margin-bottom: 28px;
        }

        .deep-content-block:last-child {
            margin-bottom: 0;
        }

        .deep-content-block .deep-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .deep-content-block .deep-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .deep-content-block .deep-subtitle {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin: 18px 0 10px;
        }

        .deep-content-block p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        /*===== FAQ =====*/
        .faq-item {
            margin-bottom: 10px;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            background: var(--card-bg);
            overflow: hidden;
            transition: all 0.2s;
        }

        .faq-item:hover {
            border-color: rgba(31,61,43,0.3);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            transition: all 0.2s;
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(31,61,43,0.03);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            margin-left: 16px;
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /*===== 表单 =====*/
        .form-control-custom {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            font-size: 15px;
            background: #fff;
            color: var(--text-primary);
            width: 100%;
            transition: all 0.2s;
            font-family: var(--font-sans);
        }

        .form-control-custom:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31,61,43,0.15);
            outline: none;
        }

        .form-label-custom {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
            font-weight: 500;
        }

        .form-select-custom {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            font-size: 15px;
            background: #fff;
            color: var(--text-primary);
            width: 100%;
            transition: all 0.2s;
            font-family: var(--font-sans);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231F3D2B' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }

        .form-select-custom:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31,61,43,0.15);
            outline: none;
        }

        textarea.form-control-custom {
            min-height: 100px;
            resize: vertical;
        }

        /*===== 徽章 =====*/
        .badge-status-drawn {
            background: rgba(46,139,87,0.15);
            color: var(--success-dark);
            border-radius: 6px;
            font-size: 12px;
            padding: 4px 10px;
            font-weight: 500;
        }

        .badge-status-waiting {
            background: rgba(214,137,42,0.15);
            color: #9A621A;
            border-radius: 6px;
            font-size: 12px;
            padding: 4px 10px;
            font-weight: 500;
        }

        .badge-status-updated {
            background: rgba(31,61,43,0.1);
            color: var(--primary);
            border-radius: 6px;
            font-size: 12px;
            padding: 4px 10px;
            font-weight: 500;
        }

        /*===== 标签云 =====*/
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 20px;
            transition: all 0.2s;
            cursor: pointer;
            text-decoration: none;
        }

        .tag-cloud .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /*===== 排行列表 =====*/
        .ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ranking-list .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
            border-radius: 8px;
        }

        .ranking-list .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-list .ranking-item:hover {
            background: rgba(31,61,43,0.03);
        }

        .ranking-list .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(31,61,43,0.08);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .ranking-list .rank-number.top1 {
            background: var(--accent);
            color: #fff;
        }

        .ranking-list .rank-number.top2 {
            background: var(--primary);
            color: #fff;
        }

        .ranking-list .rank-number.top3 {
            background: var(--highlight);
            color: #fff;
        }

        .ranking-list .rank-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-list .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .ranking-list .rank-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .ranking-list .rank-metric {
            flex-shrink: 0;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            text-align: right;
        }

        .ranking-list .rank-metric small {
            display: block;
            font-weight: 400;
            font-size: 12px;
            color: var(--muted);
        }

        /*===== 会员权益 =====*/
        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }

        .benefit-item:last-child {
            border-bottom: none;
        }

        .benefit-item .benefit-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(31,61,43,0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .benefit-item .benefit-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .benefit-item .benefit-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /*===== 页脚 =====*/
        .footer-section {
            background: var(--dark-bg);
            color: var(--dark-text);
            padding-top: 60px;
            padding-bottom: 24px;
        }

        .footer-section .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 24px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-balls {
            display: flex;
            gap: 4px;
        }

        .footer-brand .footer-logo .logo-balls span {
            width: 9px;
            height: 9px;
            border-radius: 50%;
        }

        .footer-brand .footer-logo .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 14px;
            transition: color 0.2s;
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-subscribe .subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-subscribe .subscribe-input {
            flex: 1;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 6px;
            padding: 10px 14px;
            font-size: 13px;
            color: #fff;
            transition: all 0.2s;
        }

        .footer-subscribe .subscribe-input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(214,137,42,0.2);
        }

        .footer-subscribe .subscribe-input::placeholder {
            color: rgba(255,255,255,0.4);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: rgba(255,255,255,0.4);
            font-size: 12px;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--accent);
        }

        /*===== 板块标题 =====*/
        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 640px;
        }

        /*===== 方案区块 =====*/
        .plan-block {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 32px;
            background: rgba(31,61,43,0.03);
            border: 1px solid var(--border);
            border-radius: var(--radius-large);
            margin-bottom: 24px;
            transition: all 0.3s;
        }

        .plan-block:hover {
            border-color: rgba(31,61,43,0.3);
            box-shadow: var(--shadow-card-hover);
        }

        .plan-block:nth-child(even) {
            flex-direction: row-reverse;
        }

        .plan-block .plan-text {
            flex: 1;
        }

        .plan-block .plan-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .plan-block .plan-text .plan-scope {
            font-size: 14px;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 12px;
        }

        .plan-block .plan-text ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .plan-block .plan-text ul li {
            position: relative;
            padding-left: 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .plan-block .plan-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .plan-block .plan-img {
            flex: 0 0 260px;
            width: 260px;
            height: 180px;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: rgba(31,61,43,0.06);
        }

        .plan-block .plan-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /*===== 品牌介绍 =====*/
        .about-block {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            padding: 32px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
        }

        .about-block .about-brand {
            flex: 0 0 200px;
            text-align: center;
            padding: 20px;
            background: rgba(31,61,43,0.05);
            border-radius: var(--radius-card);
        }

        .about-block .about-brand .about-logo-balls {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .about-block .about-brand .about-logo-balls span {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: inline-block;
        }
        .about-block .about-brand .about-logo-balls .ball-red { background: var(--highlight); }
        .about-block .about-brand .about-logo-balls .ball-blue { background: var(--info); }
        .about-block .about-brand .about-logo-balls .ball-amber { background: var(--accent); }

        .about-block .about-brand .about-brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        .about-block .about-text {
            flex: 1;
        }

        .about-block .about-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .about-block .about-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        /*===== 响应式 =====*/
        @media (max-width: 1199px) {
            .desktop-sidebar {
                width: var(--nav-width-tablet);
            }
            .content-wrapper {
                margin-left: var(--nav-width-tablet);
            }
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
            .sidebar-brand .brand-text {
                font-size: 17px;
            }
            .sidebar-nav ul li a {
                padding: 12px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 991px) {
            .desktop-sidebar {
                display: none;
            }
            .content-wrapper {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-topbar {
                display: flex;
            }
            .container-custom {
                padding-left: 22px;
                padding-right: 22px;
            }
            :root {
                --section-padding: 48px;
            }
            .hero-section {
                padding: 32px 0 40px;
            }
            .hero-content {
                flex-direction: column;
                gap: 24px;
            }
            .hero-text {
                max-width: 100%;
                flex: 1 1 auto;
            }
            .hero-card {
                flex: 0 0 auto;
                width: 100%;
            }
            .footer-section .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .plan-block,
            .plan-block:nth-child(even) {
                flex-direction: column;
                align-items: flex-start;
            }
            .plan-block .plan-img {
                flex: 0 0 auto;
                width: 100%;
                height: 200px;
            }
            .about-block {
                flex-direction: column;
                align-items: flex-start;
            }
            .about-block .about-brand {
                flex: 0 0 auto;
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 12px;
                padding: 16px;
            }
            .about-block .about-brand .about-logo-balls {
                margin-bottom: 0;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .ball {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .hero-card {
                padding: 20px;
            }
            .custom-card {
                padding: 20px;
            }
            .deep-content-block {
                padding: 24px;
            }
            .deep-content-block .deep-title {
                font-size: 19px;
            }
            .footer-section .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-list .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-list .news-date {
                min-width: auto;
            }
            .news-list .news-action {
                align-self: flex-start;
            }
            .stat-item .stat-value {
                font-size: 30px;
            }
            .btn-custom-primary,
            .btn-custom-outline,
            .btn-custom-accent {
                padding: 10px 18px;
                font-size: 14px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-cta-group a {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .hero-text h1 {
                font-size: 24px;
            }
            .custom-card {
                padding: 16px;
            }
            .deep-content-block {
                padding: 18px;
            }
            .plan-block {
                padding: 20px;
            }
            .footer-subscribe .subscribe-form {
                flex-direction: column;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F3D2B;
            --primary-dark: #152B1E;
            --accent: #D6892A;
            --accent-dark: #B8731F;
            --highlight: #E84D4D;
            --info: #3A6EA5;
            --success: #2E8B57;
            --success-dark: #1F6B3E;
            --bg: #F5F3EE;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2A24;
            --dark-text: #D5D5CF;
            --text-primary: #232323;
            --text-secondary: #5C5C5C;
            --border: #E3E0D9;
            --muted: #9E9E96;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(31,61,43,0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
            --section-padding: 80px;
            --nav-width: 240px;
            --nav-width-tablet: 200px;
        }
        @media (max-width: 767px) {
            :root {
                --section-padding: 48px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-padding-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .bg-dark-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }
        .bg-primary-soft {
            background-color: rgba(31, 61, 43, 0.04);
        }
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-highlight {
            color: var(--highlight) !important;
        }
        .text-info-custom {
            color: var(--info) !important;
        }
        .text-secondary-custom {
            color: var(--text-secondary) !important;
        }
        .border-custom {
            border-color: var(--border) !important;
        }

        /* ===== 侧边导航布局 ===== */
        .page-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 1040;
            overflow-y: auto;
            transition: width 0.25s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px 20px;
            min-height: 100px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .sidebar-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .sidebar-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .sidebar-brand .logo-balls .ball-amber {
            background: var(--accent);
        }
        .sidebar-brand .brand-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }
        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-nav ul li {
            margin: 0;
        }
        .sidebar-nav ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.3px;
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a .nav-icon {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 14px;
        }
        .sidebar-status {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .sidebar-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--success);
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.25s ease;
        }

        /* 移动端顶部栏 */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: var(--primary);
            color: #fff;
            height: 56px;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .mobile-brand .logo-balls {
            display: flex;
            gap: 3px;
        }
        .mobile-topbar .mobile-brand .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-amber {
            background: var(--accent);
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color 0.2s ease;
        }
        .mobile-topbar .hamburger-btn:hover {
            color: var(--accent);
        }
        .mobile-sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1041;
            opacity: 0;
            transition: opacity 0.25s ease;
        }
        .mobile-sidebar-overlay.show {
            opacity: 1;
        }
        .mobile-sidebar {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100vh;
            background-color: var(--primary);
            z-index: 1042;
            display: flex;
            flex-direction: column;
            transition: left 0.3s ease;
            overflow-y: auto;
        }
        .mobile-sidebar.show {
            left: 0;
        }
        .mobile-sidebar .sidebar-brand {
            min-height: 70px;
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .mobile-sidebar .mobile-close-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            padding: 8px 12px;
            margin-left: auto;
        }

        /* ===== 通用组件 ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-custom-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(31,61,43,0.2);
        }
        .btn-custom-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0,0,0,0.2);
        }
        .btn-custom-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-custom-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(214,137,42,0.25);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-custom-outline:hover {
            background: rgba(31,61,43,0.05);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all 0.25s ease;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
            transform: translateY(-4px);
        }
        .badge-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
        }
        .badge-status.success {
            background: rgba(46,139,87,0.15);
            color: var(--success-dark);
        }
        .badge-status.warning {
            background: rgba(214,137,42,0.15);
            color: #9A621A;
        }
        .badge-status.info {
            background: rgba(31,61,43,0.1);
            color: var(--primary);
        }
        .badge-status.highlight {
            background: rgba(232,77,77,0.12);
            color: #C73E3E;
        }
        .number-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 4px;
            flex-shrink: 0;
        }
        .number-ball.small {
            width: 36px;
            height: 36px;
            font-size: 14px;
            margin: 0 2px;
        }
        .number-ball.large {
            width: 56px;
            height: 56px;
            font-size: 22px;
        }
        .ball-red {
            background: var(--highlight);
        }
        .ball-blue {
            background: var(--info);
        }
        .ball-green {
            background: var(--primary);
        }
        .ball-amber {
            background: var(--accent);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 720px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .title-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        /* ===== 数字指标 ===== */
        .metric-number {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            display: block;
        }

        /* ===== 页面特征样式 ===== */
        .hero-3d-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .hero-3d-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(214,137,42,0.16), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-3d-section .hero-title {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .hero-3d-section .hero-subtitle {
            font-size: 16px;
            color: rgba(255,255,255,0.78);
            max-width: 560px;
            line-height: 1.8;
        }
        .hero-3d-section .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 26px;
        }

        /* 开奖对比卡片 */
        .lottery-compare-card {
            background: var(--card-bg);
            border-radius: var(--radius-large);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            height: 100%;
        }
        .lottery-compare-card .card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .lottery-compare-card .card-head h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .ball-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            margin: 14px 0 16px;
        }
        .draw-info {
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }
        .history-list {
            list-style: none;
            padding: 0;
            margin: 0;
            border-top: 1px solid var(--border);
        }
        .history-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .history-list .period {
            font-family: var(--font-mono);
            color: var(--text-secondary);
            font-size: 13px;
            white-space: nowrap;
        }
        .history-list .mini-balls {
            display: flex;
            gap: 3px;
            flex-wrap: wrap;
        }
        .history-list .mini-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 700;
            color: #fff;
        }

        /* 和值/跨度卡片 */
        .stat-data-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .stat-data-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
            transform: translateY(-4px);
        }
        .stat-data-card .stat-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            line-height: 1.3;
        }
        .stat-data-card .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* 深度段落 */
        .deep-text-block {
            background: var(--card-bg);
            border-radius: var(--radius-large);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 40px 36px;
        }
        .deep-text-block h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-text-block p {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-text-block p:last-child {
            margin-bottom: 0;
        }

        /* CTA区域 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-large);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(214,137,42,0.2), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* 表单 */
        .form-custom .form-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .form-custom .form-control,
        .form-custom .form-select {
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 14px;
            background-color: #fff;
            transition: all 0.2s ease;
            box-shadow: none;
        }
        .form-custom .form-control:focus,
        .form-custom .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31,61,43,0.15);
            outline: none;
        }
        .form-custom textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }

        /* 页脚 */
        .footer-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
            padding: 56px 0 28px;
            margin-top: auto;
        }
        .footer-section .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-section .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .footer-section .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-section .footer-logo .logo-balls {
            display: flex;
            gap: 3px;
        }
        .footer-section .footer-logo .logo-balls span {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            display: inline-block;
        }
        .footer-section .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin: 0;
        }
        .footer-section .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-section .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-section .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .footer-section .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-section .subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }
        .footer-section .subscribe-input {
            flex: 1;
            min-width: 0;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            font-size: 13px;
            color: #fff;
            transition: all 0.2s ease;
        }
        .footer-section .subscribe-input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .footer-section .subscribe-input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(214,137,42,0.15);
        }
        .footer-section .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-section .footer-bottom a {
            color: rgba(255,255,255,0.5);
            font-size: 12px;
            transition: color 0.2s ease;
        }
        .footer-section .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 1199px) and (min-width: 992px) {
            .sidebar {
                width: var(--nav-width-tablet);
            }
            .main-content {
                margin-left: var(--nav-width-tablet);
            }
            .sidebar-brand .brand-text {
                font-size: 17px;
            }
            .sidebar-nav ul li a {
                padding: 12px 16px;
                font-size: 14px;
            }
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-sidebar-overlay {
                display: block;
            }
            .mobile-sidebar {
                display: flex;
            }
            .main-content {
                padding-top: 56px;
            }
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
            .hero-3d-section {
                padding: 40px 0 50px;
            }
            .hero-3d-section .hero-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-section .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-3d-section .hero-title {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .number-ball {
                width: 36px;
                height: 36px;
                font-size: 14px;
                margin: 0 2px;
            }
            .number-ball.large {
                width: 44px;
                height: 44px;
                font-size: 17px;
            }
            .deep-text-block {
                padding: 24px 18px;
            }
            .cta-section {
                padding: 32px 22px;
            }
            .footer-section .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-section .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .btn-custom-primary,
            .btn-custom-accent,
            .btn-custom-outline {
                padding: 10px 18px;
                font-size: 14px;
            }
        }
        @media (max-width: 479px) {
            .number-ball {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .stat-data-card .stat-value {
                font-size: 22px;
            }
            .hero-3d-section .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-3d-section .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F3D2B;
            --primary-dark: #152B1E;
            --accent: #D6892A;
            --accent-dark: #B8731F;
            --highlight: #E84D4D;
            --info: #3A6EA5;
            --success: #2E8B57;
            --success-dark: #1F6B3E;
            --bg: #F5F3EE;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2A24;
            --dark-text: #D5D5CF;
            --text-primary: #232323;
            --text-secondary: #5C5C5C;
            --border: #E3E0D9;
            --muted: #9E9E96;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(31,61,43,0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
            --section-padding: 80px;
            --nav-width: 240px;
            --nav-width-tablet: 200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-padding-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .bg-dark-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-highlight {
            color: var(--highlight) !important;
        }
        .text-info-custom {
            color: var(--info) !important;
        }
        .text-secondary-custom {
            color: var(--text-secondary) !important;
        }
        .border-custom {
            border-color: var(--border) !important;
        }

        /* ===== 侧边栏导航 ===== */
        .sidebar-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--nav-width);
            z-index: 1040;
            background-color: var(--primary);
            display: flex;
            flex-direction: column;
            transition: width 0.25s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px 20px;
            min-height: 100px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .sidebar-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .sidebar-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .sidebar-brand .logo-balls .ball-amber {
            background: var(--accent);
        }
        .sidebar-brand .brand-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }
        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-nav ul li {
            margin: 0;
        }
        .sidebar-nav ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.3px;
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a .nav-icon {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 14px;
        }
        .sidebar-status {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .sidebar-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0% { opacity: 1; }
            50% { opacity: 0.4; }
            100% { opacity: 1; }
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.25s ease;
        }
        .container-custom {
            max-width: 1120px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: var(--primary);
            color: #fff;
            height: 56px;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .mobile-brand .logo-balls {
            display: flex;
            gap: 3px;
        }
        .mobile-topbar .mobile-brand .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-amber {
            background: var(--accent);
        }
        .mobile-hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            transition: background-color 0.2s;
        }
        .mobile-hamburger:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1025;
            background-color: var(--primary);
            overflow-y: auto;
            padding: 16px 0 32px;
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-nav-panel ul li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            color: rgba(255,255,255,0.85);
            font-size: 18px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: all 0.2s;
            white-space: normal;
        }
        .mobile-nav-panel ul li a:hover,
        .mobile-nav-panel ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
        }
        .mobile-nav-panel ul li a .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(31,61,43,0.25);
        }
        .btn-custom:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
        }
        .btn-custom-accent {
            background-color: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-custom-accent:hover {
            background-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(214,137,42,0.25);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-custom-outline:hover {
            background-color: rgba(31,61,43,0.05);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-custom:focus-visible,
        .btn-custom-accent:focus-visible,
        .btn-custom-outline:focus-visible {
            box-shadow: 0 0 0 3px rgba(31,61,43,0.2);
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
            transform: translateY(-4px);
        }
        .card-custom-lg {
            padding: 32px;
            border-radius: var(--radius-large);
        }

        /* ===== 号码球 ===== */
        .lottery-ball {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 4px;
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(0,0,0,0.12);
            transition: transform 0.2s ease;
        }
        .lottery-ball:hover {
            transform: scale(1.1);
        }
        .ball-red {
            background-color: var(--highlight);
        }
        .ball-blue {
            background-color: var(--info);
        }
        .ball-amber {
            background-color: var(--accent);
        }
        .ball-green {
            background-color: var(--primary);
        }
        .lottery-ball-sm {
            width: 36px;
            height: 36px;
            font-size: 14px;
            margin: 0 3px;
        }
        .lottery-ball-xs {
            width: 28px;
            height: 28px;
            font-size: 12px;
            margin: 0 2px;
        }

        /* ===== 徽章 ===== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .badge-drawn {
            background: rgba(46,139,87,0.15);
            color: var(--success-dark);
        }
        .badge-pending {
            background: rgba(214,137,42,0.15);
            color: #9A621A;
        }
        .badge-updated {
            background: rgba(31,61,43,0.1);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero-detail {
            background: linear-gradient(135deg, #F5F3EE 0%, #EDE9E0 40%, #E3E0D9 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .hero-detail::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(31,61,43,0.06);
            pointer-events: none;
        }
        .hero-detail::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(214,137,42,0.08);
            pointer-events: none;
        }
        .hero-detail .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 560px;
            line-height: 1.8;
        }
        .draw-result-panel {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .draw-result-panel .draw-period {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        .draw-result-panel .draw-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
        }
        .draw-result-panel .balls-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
            align-items: center;
        }
        .draw-result-panel .pool-info {
            font-size: 14px;
            color: var(--text-secondary);
            border-top: 1px dashed var(--border);
            padding-top: 12px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .pool-info .pool-label {
            font-weight: 600;
            color: var(--text-primary);
        }
        .pool-info .pool-value {
            font-family: var(--font-mono);
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== 数据指标 ===== */
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-number.primary-color {
            color: var(--primary);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        /* ===== 历史列表 ===== */
        .history-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            transition: background-color 0.2s ease;
            flex-wrap: wrap;
        }
        .history-row:hover {
            background-color: rgba(31,61,43,0.04);
        }
        .history-row:last-child {
            border-bottom: none;
        }
        .history-period {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 100px;
            flex-shrink: 0;
        }
        .history-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--muted);
            min-width: 80px;
            flex-shrink: 0;
        }
        .history-balls {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            flex: 1;
            min-width: 200px;
        }
        .history-summary {
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
            text-align: right;
            min-width: 100px;
        }

        /* ===== 走势图缩略图 ===== */
        .trend-thumb {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            background: var(--card-bg);
            transition: all 0.3s ease;
            height: 100%;
        }
        .trend-thumb:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(31,61,43,0.3);
        }
        .trend-thumb .trend-img-wrapper {
            position: relative;
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: #E8E5DE;
        }
        .trend-thumb .trend-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .trend-thumb:hover .trend-img-wrapper img {
            transform: scale(1.05);
        }
        .trend-thumb .trend-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(31,61,43,0.75);
            color: #fff;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .trend-thumb .trend-body {
            padding: 18px 20px;
        }
        .trend-thumb .trend-body h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .trend-thumb .trend-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.7;
        }

        /* ===== 工具卡片 ===== */
        .tool-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            text-align: center;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
            transform: translateY(-4px);
        }
        .tool-card .tool-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
            background: rgba(31,61,43,0.08);
            color: var(--primary);
        }
        .tool-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .tool-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        /* ===== 深度内容 ===== */
        .deep-content-block {
            background: var(--card-bg);
            border-radius: var(--radius-large);
            border: 1px solid var(--border);
            padding: 32px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }
        .deep-content-block:last-child {
            margin-bottom: 0;
        }
        .deep-content-block h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .deep-content-block h4 {
            font-size: 16px;
            font-weight: 600;
            margin-top: 16px;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .deep-content-block p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 8px;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: 0 1px 2px rgba(0,0,0,0.03);
        }
        .accordion-custom .accordion-button {
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            border: none;
            box-shadow: none !important;
            border-radius: 0;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(31,61,43,0.03);
            color: var(--primary);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31,61,43,0.15) !important;
            border-color: var(--primary);
        }
        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            width: auto;
            height: auto;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            content: '\f077';
        }
        .accordion-custom .accordion-body {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        /* ===== 表单 ===== */
        .form-custom input,
        .form-custom select,
        .form-custom textarea {
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 14px;
            background: var(--card-bg);
            color: var(--text-primary);
            transition: all 0.2s ease;
            width: 100%;
            font-family: var(--font-sans);
        }
        .form-custom input:focus,
        .form-custom select:focus,
        .form-custom textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31,61,43,0.15);
            outline: none;
        }
        .form-custom label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
            font-weight: 500;
        }
        .form-custom select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231F3D2B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--dark-bg);
            color: var(--dark-text);
            padding-top: 48px;
            padding-bottom: 20px;
            margin-top: 0;
        }
        .footer-section .container-custom {
            max-width: 1120px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .logo-balls {
            display: flex;
            gap: 4px;
        }
        .footer-brand .footer-logo .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 13px;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-subscribe .subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .subscribe-form .subscribe-input {
            flex: 1;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 6px;
            padding: 8px 14px;
            color: #fff;
            font-size: 13px;
            min-width: 0;
        }
        .subscribe-form .subscribe-input::placeholder {
            color: rgba(255,255,255,0.35);
        }
        .subscribe-form .subscribe-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(214,137,42,0.25);
        }
        .footer-bottom {
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            font-size: 12px;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .sidebar-wrapper {
                width: var(--nav-width-tablet);
            }
            .main-wrapper {
                margin-left: var(--nav-width-tablet);
            }
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (max-width: 991.98px) {
            .sidebar-wrapper {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                margin-top: 56px;
            }
            .mobile-topbar {
                display: flex;
            }
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
                max-width: 100%;
            }
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-title {
                font-size: 28px;
            }
            .stat-number {
                font-size: 32px;
            }
            .lottery-ball {
                width: 40px;
                height: 40px;
                font-size: 15px;
            }
            .history-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .history-balls {
                min-width: auto;
            }
            .history-summary {
                text-align: left;
                min-width: auto;
            }
        }
        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .lottery-ball {
                width: 36px;
                height: 36px;
                font-size: 13px;
                margin: 0 2px;
            }
            .trend-thumb .trend-img-wrapper {
                height: 160px;
            }
            .deep-content-block {
                padding: 20px;
            }
            .card-custom-lg {
                padding: 20px;
            }
            .footer-bottom {
                font-size: 11px;
            }
            .footer-bottom-links {
                gap: 10px;
            }
            .stat-number {
                font-size: 28px;
            }
            .btn-custom,
            .btn-custom-accent,
            .btn-custom-outline {
                padding: 10px 18px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 479.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 22px;
            }
            .lottery-ball {
                width: 30px;
                height: 30px;
                font-size: 11px;
                margin: 0 1px;
            }
            .draw-result-panel {
                padding: 16px;
            }
            .stat-card {
                padding: 14px 16px;
            }
            .stat-number {
                font-size: 24px;
            }
            .trend-thumb .trend-img-wrapper {
                height: 140px;
            }
            .tool-card {
                padding: 16px;
            }
            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-custom .accordion-body {
                padding-left: 16px;
                padding-right: 16px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F3D2B;
            --primary-dark: #152B1E;
            --accent: #D6892A;
            --accent-dark: #B8731F;
            --highlight: #E84D4D;
            --info: #3A6EA5;
            --success: #2E8B57;
            --success-dark: #1F6B3E;
            --bg: #F5F3EE;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2A24;
            --dark-text: #D5D5CF;
            --text-primary: #232323;
            --text-secondary: #5C5C5C;
            --border: #E3E0D9;
            --muted: #9E9E96;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 6px 24px rgba(31, 61, 43, 0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
            --section-padding: 80px;
            --nav-width: 240px;
            --nav-width-tablet: 200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-padding-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .bg-dark-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-highlight {
            color: var(--highlight) !important;
        }
        .text-info-custom {
            color: var(--info) !important;
        }
        .text-secondary-custom {
            color: var(--text-secondary) !important;
        }
        .border-custom {
            border-color: var(--border) !important;
        }

        /* ===== 左侧竖向导航 ===== */
        .sidebar-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--nav-width);
            z-index: 1040;
            background-color: var(--primary);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px 20px;
            min-height: 100px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .logo-balls {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
        }
        .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .logo-balls .ball-red {
            background: var(--highlight);
        }
        .logo-balls .ball-blue {
            background: var(--info);
        }
        .logo-balls .ball-amber {
            background: var(--accent);
        }
        .sidebar-brand .brand-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }
        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-nav ul li {
            margin: 0;
        }
        .sidebar-nav ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.3px;
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a .nav-icon {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 14px;
        }
        .sidebar-status {
            flex-shrink: 0;
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--success);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: var(--primary);
            color: #fff;
            height: 56px;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .mobile-brand .logo-balls {
            display: flex;
            gap: 3px;
        }
        .mobile-topbar .mobile-brand .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            transition: opacity 0.2s;
        }
        .mobile-topbar .hamburger-btn:hover {
            opacity: 0.8;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1029;
            background-color: var(--primary);
            overflow-y: auto;
            padding: 16px 0;
        }
        .mobile-menu.show {
            display: block;
        }
        .mobile-menu ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-menu ul li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.2s;
        }
        .mobile-menu ul li a:hover,
        .mobile-menu ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
        }
        .mobile-menu ul li a .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 16px;
        }
        .mobile-close-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--nav-width);
            padding-top: 0;
            min-height: 100vh;
            background-color: var(--bg);
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 板块标题通用 ===== */
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-title {
            font-size: 28px;
        }
        .section-head .section-subtitle {
            font-size: 16px;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(180deg, #1F3D2B 0%, #173523 60%, #F5F3EE 100%);
            padding: 56px 0 48px;
            color: #fff;
        }
        .hero-section .container-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
        }
        .hero-text {
            flex: 1 1 50%;
            min-width: 280px;
        }
        .hero-text .hero-badge {
            display: inline-block;
            background: rgba(214, 137, 42, 0.2);
            color: var(--accent);
            border: 1px solid rgba(214, 137, 42, 0.4);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 6px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-text h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
        }
        .hero-text .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .hero-text .btn-group-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-custom-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            letter-spacing: 0.3px;
        }
        .btn-custom-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(214, 137, 42, 0.3);
        }
        .btn-custom-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            letter-spacing: 0.3px;
        }
        .btn-custom-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }
        .hero-visual {
            flex: 1 1 40%;
            min-width: 280px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-large);
            padding: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .hero-visual .draw-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .hero-visual .draw-no {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-mono);
        }
        .ball-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 12px;
        }
        .ball-row .ball {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-mono);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .ball-row .ball.ball-red {
            background: var(--highlight);
        }
        .ball-row .ball.ball-blue {
            background: var(--info);
        }
        .hero-visual .hero-draw-info {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 8px;
        }
        .hero-visual .hero-cover-img {
            width: 100%;
            max-width: 380px;
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-top: 16px;
        }
        .hero-visual .hero-cover-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        /* ===== 最新开奖展示卡片 ===== */
        .result-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }
        .result-card .result-head {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .result-card .result-head .result-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .result-card .result-head .result-badge {
            display: inline-block;
            background: rgba(46, 139, 87, 0.15);
            color: var(--success-dark);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 500;
        }
        .result-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .result-numbers .ball {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-mono);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
        }
        .result-numbers .ball.ball-red {
            background: var(--highlight);
        }
        .result-numbers .ball.ball-blue {
            background: var(--info);
        }
        .result-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .result-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .result-meta .meta-item i {
            color: var(--accent);
            font-size: 14px;
        }
        .result-meta .meta-value {
            font-weight: 600;
            color: var(--text-primary);
            font-family: var(--font-mono);
        }

        /* ===== 历史开奖列表 ===== */
        .history-list {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .history-list .history-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            background: rgba(31, 61, 43, 0.04);
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }
        .history-list .history-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }
        .history-list .history-item:last-child {
            border-bottom: none;
        }
        .history-list .history-item:hover {
            background: rgba(31, 61, 43, 0.03);
        }
        .history-list .history-draw {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            min-width: 110px;
            white-space: nowrap;
        }
        .history-list .history-date {
            font-size: 13px;
            color: var(--text-secondary);
            min-width: 90px;
            white-space: nowrap;
            font-family: var(--font-mono);
        }
        .history-list .history-balls {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            flex: 1;
        }
        .history-list .history-balls .mini-ball {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-mono);
        }
        .history-list .history-balls .mini-ball.ball-red {
            background: var(--highlight);
        }
        .history-list .history-balls .mini-ball.ball-blue {
            background: var(--info);
        }

        /* ===== 奖池指标 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.2s;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(31, 61, 43, 0.3);
        }
        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 深度段落 ===== */
        .deep-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-large);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }
        .deep-section .deep-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .deep-section .deep-subtitle {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 24px;
            margin-bottom: 10px;
        }
        .deep-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-section .deep-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin: 20px 0;
        }
        .deep-section .deep-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        /* ===== 关联工具卡片 ===== */
        .tool-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .tool-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(31, 61, 43, 0.3);
        }
        .tool-card .tool-icon-box {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(31, 61, 43, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .tool-card .tool-icon-box i {
            font-size: 22px;
            color: var(--primary);
        }
        .tool-card .tool-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .tool-card .tool-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .tool-card .tool-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s;
        }
        .tool-card .tool-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== FAQ ===== */
        .faq-section .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 8px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .faq-section .accordion-button {
            background: var(--card-bg);
            border: none;
            border-radius: var(--radius-card) !important;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            transition: all 0.2s;
            box-shadow: none !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(31, 61, 43, 0.04);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31, 61, 43, 0.15) !important;
            border: none;
        }
        .faq-section .accordion-button::after {
            filter: invert(20%) sepia(30%) saturate(400%) hue-rotate(80deg);
        }
        .faq-section .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 24px 20px;
            border-top: 1px solid var(--border);
        }

        /* ===== CTA 订阅区 ===== */
        .cta-section {
            background: var(--dark-bg);
            color: var(--dark-text);
            border-radius: var(--radius-large);
            padding: 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
        }
        .cta-section .cta-text {
            flex: 1 1 50%;
        }
        .cta-section .cta-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-section .cta-form {
            flex: 1 1 40%;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-section .cta-form .input-custom {
            flex: 1;
            min-width: 180px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
        }
        .cta-section .cta-form .input-custom::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-section .cta-form .input-custom:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(214, 137, 42, 0.2);
        }
        .btn-custom-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-custom-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(214, 137, 42, 0.3);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--dark-bg);
            color: var(--dark-text);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-section .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .logo-balls {
            display: flex;
            gap: 3px;
        }
        .footer-brand .footer-logo .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .footer-brand .footer-brand-text {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-col .subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .footer-col .subscribe-input {
            flex: 1;
            min-width: 130px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
        }
        .footer-col .subscribe-input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(214, 137, 42, 0.2);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            padding-top: 16px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            :root {
                --nav-width: 200px;
                --section-padding: 64px;
            }
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
            .footer-section .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .tool-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .deep-section {
                padding: 28px;
            }
            .cta-section {
                padding: 32px;
            }
            .hero-section {
                padding: 48px 0 40px;
            }
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        @media (max-width: 991px) {
            .sidebar-wrapper {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            :root {
                --section-padding: 56px;
            }
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .footer-section .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .hero-section .container-custom {
                flex-direction: column;
                text-align: center;
            }
            .hero-text .btn-group-custom {
                justify-content: center;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-visual {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-section {
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-form {
                width: 100%;
                justify-content: center;
            }
            .deep-section .deep-img img {
                height: 200px;
            }
            .result-card {
                padding: 24px;
            }
            .history-list .history-item {
                gap: 12px;
                padding: 12px 16px;
            }
            .history-list .history-draw {
                min-width: 90px;
            }
            .history-list .history-balls .mini-ball {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-padding: 48px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .footer-section .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-head .section-title {
                font-size: 24px;
            }
            .hero-section {
                padding: 36px 0 32px;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-text .hero-desc {
                font-size: 14px;
            }
            .ball-row .ball,
            .result-numbers .ball {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .result-card {
                padding: 20px;
            }
            .result-meta {
                gap: 12px;
                font-size: 13px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-card .stat-number {
                font-size: 28px;
            }
            .tool-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .deep-section {
                padding: 20px;
            }
            .deep-section .deep-title {
                font-size: 19px;
            }
            .deep-section .deep-img img {
                height: 160px;
            }
            .faq-section .accordion-button {
                font-size: 14px;
                padding: 14px 18px;
            }
            .faq-section .accordion-body {
                padding: 12px 18px 16px;
                font-size: 13px;
            }
            .cta-section {
                padding: 24px;
            }
            .cta-section .cta-text h2 {
                font-size: 19px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
            .history-list .history-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .history-list .history-balls {
                flex-wrap: wrap;
            }
            .history-list .history-draw,
            .history-list .history-date {
                min-width: auto;
                white-space: normal;
            }
            .btn-custom-primary,
            .btn-custom-outline,
            .btn-custom-accent {
                padding: 10px 18px;
                font-size: 14px;
            }
            .hero-visual .hero-cover-img img {
                height: 140px;
            }
        }
        @media (max-width: 479px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card .stat-number {
                font-size: 24px;
            }
            .stat-card .stat-label {
                font-size: 12px;
            }
            .ball-row .ball,
            .result-numbers .ball {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .ball-row {
                gap: 5px;
            }
            .result-numbers {
                gap: 5px;
            }
            .btn-custom-primary,
            .btn-custom-outline,
            .btn-custom-accent {
                width: 100%;
                text-align: center;
                padding: 10px 14px;
                font-size: 13px;
            }
            .btn-group-custom {
                flex-direction: column;
            }
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .footer-section .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .deep-section {
                padding: 16px;
            }
            .deep-section .deep-title {
                font-size: 17px;
            }
            .deep-section p {
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1F3D2B;
            --primary-dark: #152B1E;
            --accent: #D6892A;
            --accent-dark: #B8731F;
            --highlight: #E84D4D;
            --info: #3A6EA5;
            --success: #2E8B57;
            --success-dark: #1F6B3E;
            --bg: #F5F3EE;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2A24;
            --dark-text: #D5D5CF;
            --text-primary: #232323;
            --text-secondary: #5C5C5C;
            --border: #E3E0D9;
            --muted: #9E9E96;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(31,61,43,0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
            --section-padding: 80px;
            --nav-width: 240px;
            --nav-width-tablet: 200px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-padding-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .bg-dark-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }
        .text-primary-custom { color: var(--primary) !important; }
        .text-accent { color: var(--accent) !important; }
        .text-highlight { color: var(--highlight) !important; }
        .text-info-custom { color: var(--info) !important; }
        .text-secondary-custom { color: var(--text-secondary) !important; }
        .border-custom { border-color: var(--border) !important; }

        /* ===== 桌面端左侧导航 ===== */
        .sidebar-layout {
            display: flex;
            min-height: 100vh;
        }
        .sidebar-left {
            width: var(--nav-width);
            background-color: var(--primary);
            color: #fff;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            flex-shrink: 0;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px 20px;
            min-height: 100px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .sidebar-brand .logo-balls .ball-red { background: var(--highlight); }
        .sidebar-brand .logo-balls .ball-blue { background: var(--info); }
        .sidebar-brand .logo-balls .ball-amber { background: var(--accent); }
        .sidebar-brand .brand-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }
        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-nav ul li { margin: 0; }
        .sidebar-nav ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.3px;
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a .nav-icon {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 14px;
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .sidebar-footer .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }
        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: var(--primary);
            color: #fff;
            height: 56px;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .mobile-brand .logo-balls {
            display: flex;
            gap: 3px;
        }
        .mobile-topbar .mobile-brand .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }
        .mobile-topbar .hamburger-btn {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.2s ease;
        }
        .mobile-topbar .hamburger-btn:hover {
            transform: scale(1.1);
        }
        .mobile-menu-panel {
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--primary);
            z-index: 1029;
            transform: translateY(-100%);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
            visibility: hidden;
        }
        .mobile-menu-panel.open {
            transform: translateY(0);
            visibility: visible;
        }
        .mobile-menu-panel ul {
            list-style: none;
            padding: 16px 0;
            margin: 0;
        }
        .mobile-menu-panel ul li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            color: rgba(255,255,255,0.85);
            font-size: 17px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: all 0.2s ease;
        }
        .mobile-menu-panel ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
        }
        .mobile-menu-panel ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }
        .mobile-menu-panel ul li a .nav-icon {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .btn-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(31,61,43,0.2);
        }
        .btn-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-custom:focus-visible {
            box-shadow: 0 0 0 3px rgba(31,61,43,0.2);
        }
        .btn-custom-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .btn-custom-accent:hover {
            background-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(214,137,42,0.25);
        }
        .btn-custom-accent:active {
            transform: translateY(0);
        }
        .btn-custom-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 23px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .btn-custom-outline:hover {
            background-color: rgba(31,61,43,0.05);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
        }
        .card-custom-large {
            padding: 32px;
            border-radius: var(--radius-large);
        }

        /* ===== 徽章/标签 ===== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.3px;
        }
        .badge-success {
            background-color: rgba(46,139,87,0.15);
            color: var(--success-dark);
        }
        .badge-accent {
            background-color: rgba(214,137,42,0.15);
            color: #9A621A;
        }
        .badge-primary {
            background-color: rgba(31,61,43,0.1);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero-tool-section {
            background: linear-gradient(180deg, #F5F3EE 0%, #EDE9E1 100%);
            padding-top: 32px;
            padding-bottom: 56px;
            border-bottom: 1px solid var(--border);
        }
        .hero-tool-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-tool-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .hero-tool-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 500px;
        }
        .hero-tool-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-tool-visual {
            background: var(--card-bg);
            border-radius: var(--radius-large);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }
        .hero-tool-visual .tool-preview-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-tool-visual .tool-preview-balls {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 16px;
        }
        .ball-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .ball-number.ball-red-bg { background-color: var(--highlight); }
        .ball-number.ball-blue-bg { background-color: var(--info); }
        .ball-number.ball-green-bg { background-color: var(--primary); }
        .ball-number.ball-amber-bg { background-color: var(--accent); }
        .tool-preview-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .tool-preview-stats .stat-mini {
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg);
            padding: 6px 12px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 数据指标 ===== */
        .metrics-strip {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-item {
            text-align: center;
            padding: 12px 8px;
        }
        .metric-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        /* ===== 工具入口卡片 ===== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .tool-entry-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .tool-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
        }
        .tool-entry-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(31,61,43,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .tool-entry-card .tool-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tool-entry-card .tool-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .tool-entry-card .tool-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }
        .tool-entry-card .tool-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== 工具详情区域 ===== */
        .tool-detail-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 32px 0;
        }
        .tool-detail-row.reverse {
            direction: rtl;
        }
        .tool-detail-row.reverse > * {
            direction: ltr;
        }
        .tool-detail-text .detail-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .tool-detail-text .detail-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .tool-detail-text .detail-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .tool-detail-text .detail-list li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .tool-detail-text .detail-list li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 4px;
        }
        .tool-detail-visual {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .tool-detail-visual img {
            border-radius: 8px;
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }

        /* ===== 深度内容段落 ===== */
        .deep-content-section {
            background: var(--card-bg);
            border-radius: var(--radius-large);
            border: 1px solid var(--border);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }
        .deep-content-section h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .deep-content-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content-section p:last-child {
            margin-bottom: 0;
        }

        /* ===== 注意事项列表 ===== */
        .notice-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .notice-list li {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .notice-list li:last-child {
            border-bottom: none;
        }
        .notice-list li .notice-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(214,137,42,0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== CTA ===== */
        .cta-tool-section {
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-large);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
        }
        .cta-tool-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-tool-section p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
            padding: 56px 0 24px;
            margin-top: 64px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-balls {
            display: flex;
            gap: 4px;
        }
        .footer-brand .footer-logo .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .footer-brand .footer-logo .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
        }
        .subscribe-input {
            flex: 1;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 6px;
            padding: 10px 14px;
            color: #fff;
            font-size: 13px;
            outline: none;
            transition: all 0.2s ease;
        }
        .subscribe-input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .subscribe-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(214,137,42,0.2);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a {
            font-size: 12px;
            color: rgba(255,255,255,0.4);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: rgba(255,255,255,0.7);
        }

        /* ===== Section 标题 ===== */
        .section-title-block {
            margin-bottom: 32px;
        }
        .section-title-block h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .section-title-block .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .section-divider {
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 12px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .sidebar-left {
                width: var(--nav-width-tablet);
            }
            .main-content {
                margin-left: var(--nav-width-tablet);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .sidebar-left {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-topbar {
                display: flex;
            }
            .hero-tool-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .tool-detail-row {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px 0;
            }
            .tool-detail-row.reverse {
                direction: ltr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            :root {
                --section-padding: 48px;
            }
        }

        @media (max-width: 767px) {
            .container-custom,
            .container-narrow {
                padding: 0 20px;
            }
            .hero-tool-title {
                font-size: 28px;
            }
            .hero-tool-subtitle {
                font-size: 15px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-number {
                font-size: 28px;
            }
            .section-title-block h2 {
                font-size: 22px;
            }
            .cta-tool-section {
                padding: 32px 20px;
            }
            .cta-tool-section h2 {
                font-size: 22px;
            }
            .deep-content-section {
                padding: 24px 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 479px) {
            .hero-tool-actions {
                flex-direction: column;
            }
            .hero-tool-actions .btn-custom,
            .hero-tool-actions .btn-custom-accent,
            .hero-tool-actions .btn-custom-outline {
                width: 100%;
                justify-content: center;
            }
            .ball-number {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tools-grid {
                gap: 16px;
            }
            .tool-entry-card {
                padding: 20px 16px;
            }
        }

/* FAQ 自定义样式 */
        .faq-item-custom {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item-custom:hover {
            border-color: rgba(31,61,43,0.3);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform 0.2s ease;
            color: var(--muted);
        }
        .faq-question:not(.collapsed) i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

/* roulang page: category4 */
:root {
        --primary: #1F3D2B;
        --primary-dark: #152B1E;
        --accent: #D6892A;
        --accent-dark: #B8731F;
        --highlight: #E84D4D;
        --info: #3A6EA5;
        --success: #2E8B57;
        --success-dark: #1F6B3E;
        --bg: #F5F3EE;
        --card-bg: #FFFFFF;
        --dark-bg: #1F2A24;
        --dark-text: #D5D5CF;
        --text-primary: #232323;
        --text-secondary: #5C5C5C;
        --border: #E3E0D9;
        --muted: #9E9E96;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-large: 16px;
        --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
        --shadow-card-hover: 0 6px 24px rgba(31,61,43,0.12);
        --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
        --section-padding: 80px;
        --nav-width: 240px;
        --nav-width-tablet: 200px;
    }

    @media (max-width: 991.98px) {
        :root {
            --section-padding: 48px;
        }
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    a:hover {
        color: var(--primary-dark);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
        border-radius: 4px;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .section-padding {
        padding-top: var(--section-padding);
        padding-bottom: var(--section-padding);
    }

    .section-padding-sm {
        padding-top: 48px;
        padding-bottom: 48px;
    }

    .bg-dark-section {
        background-color: var(--dark-bg);
        color: var(--dark-text);
    }

    .text-primary-custom {
        color: var(--primary) !important;
    }

    .text-accent {
        color: var(--accent) !important;
    }

    .text-highlight {
        color: var(--highlight) !important;
    }

    .text-info-custom {
        color: var(--info) !important;
    }

    .text-secondary-custom {
        color: var(--text-secondary) !important;
    }

    .border-custom {
        border-color: var(--border) !important;
    }

    /* ========== 左侧竖向导航（桌面端） ========== */
    .sidebar-wrapper {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--nav-width);
        background-color: var(--primary);
        color: #fff;
        z-index: 1020;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
    }

    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 20px 20px 16px;
        min-height: 88px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        flex-shrink: 0;
    }

    .sidebar-brand .logo-balls {
        display: flex;
        gap: 4px;
        flex-shrink: 0;
    }

    .sidebar-brand .logo-balls span {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        display: inline-block;
    }

    .sidebar-brand .logo-balls .ball-red {
        background: var(--highlight);
    }

    .sidebar-brand .logo-balls .ball-blue {
        background: var(--info);
    }

    .sidebar-brand .logo-balls .ball-amber {
        background: var(--accent);
    }

    .sidebar-brand .brand-text {
        font-size: 18px;
        font-weight: 700;
        letter-spacing: 0.5px;
        color: #fff;
        white-space: nowrap;
    }

    .sidebar-nav {
        flex: 1;
        padding: 12px 0;
        overflow-y: auto;
    }

    .sidebar-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .sidebar-nav ul li {
        margin: 0;
    }

    .sidebar-nav ul li a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 14px 20px;
        color: rgba(255, 255, 255, 0.78);
        font-size: 15px;
        font-weight: 400;
        letter-spacing: 0.3px;
        border-left: 3px solid transparent;
        transition: all 0.2s ease;
        position: relative;
        white-space: nowrap;
    }

    .sidebar-nav ul li a:hover {
        background-color: var(--primary-dark);
        color: #fff;
        border-left-color: var(--accent);
    }

    .sidebar-nav ul li a.active {
        background-color: var(--primary-dark);
        color: #fff;
        font-weight: 600;
        border-left-color: var(--accent);
    }

    .sidebar-nav ul li a .nav-icon {
        width: 18px;
        text-align: center;
        flex-shrink: 0;
        font-size: 14px;
    }

    .sidebar-status {
        padding: 14px 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.55);
        display: flex;
        align-items: center;
        gap: 7px;
        flex-shrink: 0;
    }

    .sidebar-status .status-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: var(--success);
        display: inline-block;
        animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.4; }
    }

    /* ========== 主内容区 ========== */
    .main-content {
        margin-left: var(--nav-width);
        min-height: 100vh;
    }

    @media (max-width: 1199.98px) and (min-width: 992px) {
        .sidebar-wrapper {
            width: var(--nav-width-tablet);
        }
        .main-content {
            margin-left: var(--nav-width-tablet);
        }
    }

    @media (max-width: 991.98px) {
        .sidebar-wrapper {
            display: none;
        }
        .main-content {
            margin-left: 0;
            padding-top: 56px;
        }
    }

    /* ========== 移动端顶部导航 ========== */
    .mobile-topbar {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1030;
        background-color: var(--primary);
        color: #fff;
        height: 56px;
        align-items: center;
        padding: 0 16px;
        justify-content: space-between;
    }

    .mobile-topbar .mobile-brand {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 17px;
        font-weight: 700;
        color: #fff;
    }

    .mobile-topbar .mobile-brand .logo-balls {
        display: flex;
        gap: 3px;
    }

    .mobile-topbar .mobile-brand .logo-balls span {
        width: 8px;
        height: 8px;
        border-radius: 50%;
    }

    .mobile-topbar .mobile-brand .logo-balls .ball-red {
        background: var(--highlight);
    }

    .mobile-topbar .mobile-brand .logo-balls .ball-blue {
        background: var(--info);
    }

    .mobile-topbar .mobile-brand .logo-balls .ball-amber {
        background: var(--accent);
    }

    .mobile-topbar .hamburger-btn {
        background: none;
        border: none;
        color: #fff;
        font-size: 22px;
        cursor: pointer;
        padding: 4px 8px;
        line-height: 1;
    }

    .mobile-menu-overlay {
        display: none;
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1025;
    }

    .mobile-menu-panel {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background-color: var(--primary);
        z-index: 1026;
        max-height: calc(100vh - 56px);
        overflow-y: auto;
        display: none;
        padding: 8px 0;
    }

    .mobile-menu-panel ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .mobile-menu-panel ul li a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 16px 24px;
        color: rgba(255, 255, 255, 0.85);
        font-size: 17px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        transition: all 0.2s ease;
    }

    .mobile-menu-panel ul li a:hover,
    .mobile-menu-panel ul li a.active {
        background-color: var(--primary-dark);
        color: #fff;
    }

    .mobile-menu-panel ul li a .nav-icon {
        width: 20px;
        text-align: center;
        flex-shrink: 0;
    }

    @media (max-width: 991.98px) {
        .mobile-topbar {
            display: flex;
        }
    }

    /* ========== 通用组件 ========== */
    .container-custom {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 32px;
        padding-right: 32px;
    }

    @media (max-width: 767.98px) {
        .container-custom {
            padding-left: 18px;
            padding-right: 18px;
        }
    }

    .section-heading {
        margin-bottom: 32px;
    }

    .section-heading .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        color: var(--accent);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 8px;
    }

    .section-heading h2 {
        font-size: 26px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--text-primary);
        margin-bottom: 8px;
    }

    .section-heading p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.7;
        max-width: 680px;
    }

    @media (max-width: 767.98px) {
        .section-heading h2 {
            font-size: 22px;
        }
    }

    /* ========== 按钮 ========== */
    .btn-custom {
        background-color: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-btn);
        padding: 12px 24px;
        font-size: 15px;
        font-weight: 500;
        transition: all 0.2s ease;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        text-decoration: none;
        letter-spacing: 0.3px;
    }

    .btn-custom:hover {
        background-color: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(31, 61, 43, 0.2);
    }

    .btn-custom:active {
        transform: translateY(0);
        box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
    }

    .btn-custom:focus-visible {
        box-shadow: 0 0 0 3px rgba(31, 61, 43, 0.25);
        outline: none;
    }

    .btn-custom-accent {
        background-color: var(--accent);
        color: #fff;
        border: none;
        border-radius: var(--radius-btn);
        padding: 12px 24px;
        font-size: 15px;
        font-weight: 500;
        transition: all 0.2s ease;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        text-decoration: none;
        letter-spacing: 0.3px;
    }

    .btn-custom-accent:hover {
        background-color: var(--accent-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(214, 137, 42, 0.25);
    }

    .btn-custom-accent:active {
        transform: translateY(0);
        box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
    }

    .btn-custom-outline {
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--primary);
        border-radius: var(--radius-btn);
        padding: 11px 24px;
        font-size: 15px;
        font-weight: 500;
        transition: all 0.2s ease;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        text-decoration: none;
    }

    .btn-custom-outline:hover {
        background-color: rgba(31, 61, 43, 0.05);
        color: var(--primary);
        border-color: var(--primary-dark);
    }

    .btn-sm-custom {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* ========== 卡片 ========== */
    .card-custom {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 24px;
        box-shadow: var(--shadow-card);
        transition: all 0.25s ease;
        height: 100%;
    }

    .card-custom:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(31, 61, 43, 0.3);
        transform: translateY(-4px);
    }

    .card-custom .card-icon {
        width: 48px;
        height: 48px;
        border-radius: 10px;
        background-color: rgba(31, 61, 43, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--primary);
        margin-bottom: 14px;
    }

    .card-custom h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .card-custom p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 14px;
    }

    .card-custom .card-link {
        font-size: 14px;
        font-weight: 500;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap 0.2s ease;
    }

    .card-custom .card-link:hover {
        color: var(--primary-dark);
        gap: 10px;
    }

    /* ========== 号码球 ========== */
    .number-ball {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        font-family: var(--font-mono);
        font-size: 17px;
        font-weight: 700;
        color: #fff;
        margin-right: 6px;
        flex-shrink: 0;
    }

    .number-ball.ball-red-number {
        background: var(--highlight);
    }

    .number-ball.ball-blue-number {
        background: var(--info);
    }

    .number-ball.ball-amber-number {
        background: var(--accent);
    }

    .number-ball.ball-green-number {
        background: var(--primary);
    }

    @media (max-width: 479.98px) {
        .number-ball {
            width: 36px;
            height: 36px;
            font-size: 14px;
            margin-right: 4px;
        }
    }

    /* ========== 徽章 ========== */
    .badge-custom-success {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        background-color: rgba(46, 139, 87, 0.15);
        color: var(--success-dark);
        border-radius: 6px;
        padding: 4px 10px;
        font-size: 12px;
        font-weight: 500;
    }

    .badge-custom-accent {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        background-color: rgba(214, 137, 42, 0.15);
        color: #9A621A;
        border-radius: 6px;
        padding: 4px 10px;
        font-size: 12px;
        font-weight: 500;
    }

    .badge-custom-primary {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        background-color: rgba(31, 61, 43, 0.1);
        color: var(--primary);
        border-radius: 6px;
        padding: 4px 10px;
        font-size: 12px;
        font-weight: 500;
    }

    /* ========== 数据指标 ========== */
    .metric-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 22px 20px;
        box-shadow: var(--shadow-card);
        text-align: center;
        transition: all 0.25s ease;
    }

    .metric-card:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(31, 61, 43, 0.25);
        transform: translateY(-3px);
    }

    .metric-card .metric-value {
        font-family: var(--font-mono);
        font-size: 38px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.2;
        margin-bottom: 6px;
    }

    .metric-card .metric-label {
        font-size: 14px;
        color: var(--text-secondary);
        font-weight: 500;
    }

    @media (max-width: 767.98px) {
        .metric-card .metric-value {
            font-size: 30px;
        }
    }

    /* ========== Hero 区 ========== */
    .hero-section {
        background: linear-gradient(135deg, #F5F3EE 0%, #EDEAE0 40%, #E8E4D6 100%);
        padding-top: 60px;
        padding-bottom: 60px;
        position: relative;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: -120px;
        right: -80px;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: rgba(31, 61, 43, 0.04);
        pointer-events: none;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: -100px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(214, 137, 42, 0.06);
        pointer-events: none;
    }

    .hero-section .hero-content {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .hero-section .hero-text h1 {
        font-size: 32px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-primary);
        margin-bottom: 14px;
    }

    .hero-section .hero-text .hero-subtitle {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 24px;
        max-width: 480px;
    }

    .hero-section .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    .hero-section .hero-visual {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-large);
        padding: 24px;
        box-shadow: var(--shadow-card-hover);
    }

    .hero-section .hero-visual .visual-title {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-secondary);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .hero-section .hero-visual .draw-order {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 16px;
    }

    .hero-section .hero-visual .draw-info {
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }

    /* ========== 走势图大图区 ========== */
    .trend-chart-main {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-large);
        padding: 32px;
        box-shadow: var(--shadow-card);
    }

    .trend-chart-main .chart-image-wrapper {
        position: relative;
        border-radius: var(--radius-card);
        overflow: hidden;
        margin-bottom: 20px;
        aspect-ratio: 16/7;
        background-color: rgba(31, 61, 43, 0.06);
    }

    .trend-chart-main .chart-image-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .trend-chart-main .chart-legend {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--text-secondary);
    }

    .trend-chart-main .chart-legend .legend-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .trend-chart-main .chart-legend .legend-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        display: inline-block;
    }

    /* ========== 走势图类型卡片 ========== */
    .trend-type-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 28px 22px;
        box-shadow: var(--shadow-card);
        transition: all 0.25s ease;
        height: 100%;
        text-align: center;
        position: relative;
        overflow: hidden;
        cursor: pointer;
    }

    .trend-type-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--primary);
        opacity: 0;
        transition: opacity 0.25s ease;
    }

    .trend-type-card:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(31, 61, 43, 0.3);
        transform: translateY(-4px);
    }

    .trend-type-card:hover::before {
        opacity: 1;
    }

    .trend-type-card .trend-type-icon {
        width: 56px;
        height: 56px;
        border-radius: 14px;
        background: rgba(31, 61, 43, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: var(--primary);
        margin: 0 auto 14px;
    }

    .trend-type-card h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 8px;
    }

    .trend-type-card p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 0;
    }

    /* ========== 走势图说明区 ========== */
    .trend-detail-block {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 28px;
        box-shadow: var(--shadow-card);
        height: 100%;
    }

    .trend-detail-block .detail-header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
        flex-wrap: wrap;
    }

    .trend-detail-block .detail-header h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 0;
    }

    .trend-detail-block p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 0;
    }

    /* ========== 深度段落 ========== */
    .deep-dive-section {
        background: var(--dark-bg);
        color: var(--dark-text);
        border-radius: var(--radius-large);
        padding: 40px 36px;
    }

    .deep-dive-section h2 {
        color: #fff;
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 18px;
        line-height: 1.4;
    }

    .deep-dive-section h3 {
        color: var(--accent);
        font-size: 17px;
        font-weight: 600;
        margin-top: 20px;
        margin-bottom: 8px;
    }

    .deep-dive-section p {
        color: var(--dark-text);
        font-size: 15px;
        line-height: 1.85;
        margin-bottom: 12px;
    }

    /* ========== FAQ ========== */
    .accordion-custom .accordion-item {
        border: 1px solid var(--border) !important;
        border-radius: 10px !important;
        margin-bottom: 10px;
        background: var(--card-bg);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
        overflow: hidden;
    }

    .accordion-custom .accordion-item:last-child {
        margin-bottom: 0;
    }

    .accordion-custom .accordion-button {
        background: var(--card-bg);
        color: var(--text-primary);
        font-weight: 500;
        font-size: 15px;
        padding: 16px 20px;
        border: none;
        box-shadow: none;
        transition: all 0.2s ease;
        border-radius: 10px !important;
    }

    .accordion-custom .accordion-button:not(.collapsed) {
        background: rgba(31, 61, 43, 0.04);
        color: var(--primary);
        box-shadow: none;
    }

    .accordion-custom .accordion-button::after {
        background-image: none;
        content: '\f107';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 16px;
        color: var(--text-secondary);
        transition: transform 0.3s ease;
    }

    .accordion-custom .accordion-button:not(.collapsed)::after {
        transform: rotate(180deg);
        color: var(--accent);
    }

    .accordion-custom .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(31, 61, 43, 0.15);
        border-color: var(--primary);
    }

    .accordion-custom .accordion-body {
        padding: 16px 20px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.75;
        background: var(--card-bg);
        border-top: 1px solid rgba(227, 224, 217, 0.5);
    }

    /* ========== CTA 区 ========== */
    .cta-section {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: var(--radius-large);
        padding: 44px 36px;
        color: #fff;
        text-align: center;
    }

    .cta-section h2 {
        color: #fff;
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 15px;
        line-height: 1.7;
        max-width: 560px;
        margin: 0 auto 22px;
    }

    .cta-section .cta-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ========== 数据条 ========== */
    .data-stack-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .data-stack-list li {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 0;
        border-bottom: 1px solid rgba(227, 224, 217, 0.6);
        font-size: 14px;
    }

    .data-stack-list li:last-child {
        border-bottom: none;
    }

    .data-stack-list .stack-label {
        color: var(--text-secondary);
        font-weight: 500;
    }

    .data-stack-list .stack-value {
        font-family: var(--font-mono);
        font-weight: 600;
        color: var(--primary);
    }

    /* ========== 表单 ========== */
    .form-custom-input {
        border: 1px solid var(--border);
        border-radius: var(--radius-btn);
        padding: 10px 14px;
        font-size: 14px;
        background: #fff;
        color: var(--text-primary);
        transition: all 0.2s ease;
        width: 100%;
        font-family: var(--font-sans);
    }

    .form-custom-input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(31, 61, 43, 0.12);
        outline: none;
    }

    .form-label-custom {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        margin-bottom: 6px;
        display: block;
    }

    .form-select-custom {
        border: 1px solid var(--border);
        border-radius: var(--radius-btn);
        padding: 10px 14px;
        font-size: 14px;
        background-color: #fff;
        color: var(--text-primary);
        transition: all 0.2s ease;
        width: 100%;
        font-family: var(--font-sans);
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231F3D2B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 14px center;
    }

    .form-select-custom:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(31, 61, 43, 0.12);
        outline: none;
    }

    /* ========== 页脚 ========== */
    .footer-section {
        background: var(--dark-bg);
        color: var(--dark-text);
        padding-top: 56px;
        padding-bottom: 28px;
        margin-top: 40px;
    }

    .footer-section .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 32px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-section .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 12px;
    }

    .footer-section .footer-brand .footer-logo .logo-balls {
        display: flex;
        gap: 3px;
    }

    .footer-section .footer-brand .footer-logo .logo-balls span {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        display: inline-block;
    }

    .footer-section .footer-brand .footer-brand-text {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
    }

    .footer-section .footer-brand p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.55);
        line-height: 1.7;
        margin-bottom: 0;
    }

    .footer-section .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 14px;
    }

    .footer-section .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-section .footer-col ul li {
        margin-bottom: 8px;
    }

    .footer-section .footer-col ul li a {
        color: rgba(255, 255, 255, 0.55);
        font-size: 13px;
        transition: color 0.2s ease;
    }

    .footer-section .footer-col ul li a:hover {
        color: var(--accent);
    }

    .subscribe-form {
        display: flex;
        gap: 8px;
        margin-top: 10px;
    }

    .subscribe-input {
        flex: 1;
        padding: 8px 12px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
        font-size: 13px;
        transition: all 0.2s ease;
        font-family: var(--font-sans);
        min-width: 0;
    }

    .subscribe-input::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }

    .subscribe-input:focus {
        border-color: var(--accent);
        outline: none;
        box-shadow: 0 0 0 3px rgba(214, 137, 42, 0.2);
    }

    .footer-bottom {
        padding-top: 22px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.45);
        font-size: 12px;
        transition: color 0.2s ease;
    }

    .footer-bottom a:hover {
        color: var(--accent);
    }

    .footer-bottom .footer-links-bottom {
        display: flex;
        gap: 12px;
        align-items: center;
        flex-wrap: wrap;
    }

    @media (max-width: 991.98px) {
        .footer-section {
            padding-top: 40px;
        }
        .footer-section .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 575.98px) {
        .footer-section .footer-top {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    /* ========== Hero 响应式 ========== */
    @media (max-width: 991.98px) {
        .hero-section .hero-content {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .hero-section {
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .hero-section .hero-text h1 {
            font-size: 28px;
        }
    }

    @media (max-width: 767.98px) {
        .hero-section .hero-text h1 {
            font-size: 26px;
        }
        .hero-section .hero-text .hero-subtitle {
            font-size: 15px;
        }
        .trend-chart-main {
            padding: 18px;
        }
        .trend-chart-main .chart-image-wrapper {
            aspect-ratio: 16/9;
        }
        .deep-dive-section {
            padding: 26px 20px;
        }
        .cta-section {
            padding: 32px 20px;
        }
    }

    @media (max-width: 479.98px) {
        .hero-section .hero-actions {
            flex-direction: column;
        }
        .hero-section .hero-actions .btn-custom,
        .hero-section .hero-actions .btn-custom-accent,
        .hero-section .hero-actions .btn-custom-outline {
            width: 100%;
            justify-content: center;
        }
    }

    /* ========== 面包屑 ========== */
    .breadcrumb-custom {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-secondary);
        margin-bottom: 18px;
        flex-wrap: wrap;
    }

    .breadcrumb-custom a {
        color: var(--text-secondary);
        transition: color 0.2s ease;
    }

    .breadcrumb-custom a:hover {
        color: var(--primary);
    }

    .breadcrumb-custom .breadcrumb-sep {
        color: var(--muted);
    }

    .breadcrumb-custom .breadcrumb-current {
        color: var(--primary);
        font-weight: 500;
    }

    /* ========== 分区分隔线 ========== */
    .section-divider {
        height: 1px;
        background: linear-gradient(to right, transparent, var(--border), transparent);
        margin: 0 auto;
        max-width: 800px;
    }

    /* ========== 工具卡片行 ========== */
    .tool-entry-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 20px 18px;
        box-shadow: var(--shadow-card);
        transition: all 0.25s ease;
        display: flex;
        align-items: center;
        gap: 14px;
        height: 100%;
    }

    .tool-entry-card:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(31, 61, 43, 0.3);
        transform: translateY(-3px);
    }

    .tool-entry-card .tool-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: rgba(31, 61, 43, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        color: var(--primary);
        flex-shrink: 0;
    }

    .tool-entry-card .tool-info h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 3px;
    }

    .tool-entry-card .tool-info span {
        font-size: 12px;
        color: var(--text-secondary);
    }

    .tool-entry-card .tool-arrow {
        margin-left: auto;
        color: var(--accent);
        font-size: 14px;
        flex-shrink: 0;
    }

/* roulang page: category6 */
:root {
            --primary: #1F3D2B;
            --primary-dark: #152B1E;
            --accent: #D6892A;
            --accent-dark: #B8731F;
            --highlight: #E84D4D;
            --info: #3A6EA5;
            --success: #2E8B57;
            --success-dark: #1F6B3E;
            --bg: #F5F3EE;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2A24;
            --dark-text: #D5D5CF;
            --text-primary: #232323;
            --text-secondary: #5C5C5C;
            --border: #E3E0D9;
            --muted: #9E9E96;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(31,61,43,0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "Roboto Mono", "SF Mono", Consolas, monospace;
            --section-padding: 80px;
            --nav-width: 240px;
            --nav-width-tablet: 200px;
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-padding {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-padding-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .bg-dark-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-highlight {
            color: var(--highlight) !important;
        }
        .text-info-custom {
            color: var(--info) !important;
        }
        .text-secondary-custom {
            color: var(--text-secondary) !important;
        }
        .border-custom {
            border-color: var(--border) !important;
        }

        /* ===== 布局：左侧导航 + 右侧内容 ===== */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            width: var(--nav-width);
            background-color: var(--primary);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            z-index: 1040;
            overflow: hidden;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px 20px;
            min-height: 100px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
        }
        .sidebar-brand .logo-balls span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .sidebar-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .sidebar-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .sidebar-brand .logo-balls .ball-amber {
            background: var(--accent);
        }
        .sidebar-brand .brand-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }
        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-nav ul li {
            margin: 0;
        }
        .sidebar-nav ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.3px;
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            border-left-color: var(--accent);
        }
        .sidebar-nav ul li a .nav-icon {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            font-size: 14px;
        }
        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }
        .sidebar-footer .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            flex-shrink: 0;
        }
        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: var(--primary);
            color: #fff;
            height: 56px;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .mobile-brand .logo-balls {
            display: flex;
            gap: 3px;
        }
        .mobile-topbar .mobile-brand .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-red {
            background: var(--highlight);
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-blue {
            background: var(--info);
        }
        .mobile-topbar .mobile-brand .logo-balls .ball-amber {
            background: var(--accent);
        }
        .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }
        .hamburger-btn:hover {
            color: var(--accent);
        }
        .mobile-menu-overlay {
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--primary);
            z-index: 1029;
            display: none;
            overflow-y: auto;
            padding: 16px 0;
        }
        .mobile-menu-overlay.open {
            display: block;
        }
        .mobile-menu-overlay ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-menu-overlay ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 24px;
            color: rgba(255,255,255,0.85);
            font-size: 18px;
            letter-spacing: 0.4px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: all 0.2s ease;
        }
        .mobile-menu-overlay ul li a:hover {
            background-color: var(--primary-dark);
            color: #fff;
        }
        .mobile-menu-overlay ul li a.active {
            background-color: var(--primary-dark);
            color: #fff;
            font-weight: 600;
        }

        /* ===== 公共组件 ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 720px;
        }
        .btn-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-custom:focus {
            box-shadow: 0 0 0 3px rgba(31,61,43,0.2);
            color: #fff;
        }
        .btn-custom:active {
            transform: translateY(0);
        }
        .btn-custom-accent {
            background-color: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-custom-accent:hover {
            background-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 24px;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-custom-outline:hover {
            background-color: rgba(31,61,43,0.05);
            color: var(--primary-dark);
        }
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
        }
        .badge-success {
            background-color: rgba(46,139,87,0.15);
            color: var(--success-dark);
        }
        .badge-waiting {
            background-color: rgba(214,137,42,0.15);
            color: #9A621A;
        }
        .badge-info-custom {
            background-color: rgba(31,61,43,0.1);
            color: var(--primary);
        }
        .card-custom {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all 0.3s ease;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(31,61,43,0.3);
        }

        /* ===== 资讯页面特有样式 ===== */
        .news-hero-section {
            background-color: var(--primary);
            color: #fff;
            padding: 60px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .news-hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(21,43,30,0.85) 0%, rgba(31,61,43,0.7) 100%);
            z-index: 0;
        }
        .news-hero-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .news-hero-section h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
        }
        .news-hero-section .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255,255,255,0.75);
            max-width: 680px;
            margin-bottom: 24px;
        }
        .news-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .news-hero-stat {
            display: flex;
            flex-direction: column;
        }
        .news-hero-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
        }
        .news-hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }

        .news-list-section {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: all 0.2s ease;
        }
        .news-list-item:hover {
            padding-left: 8px;
        }
        .news-date {
            flex-shrink: 0;
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--accent);
            font-weight: 500;
            min-width: 80px;
            padding-top: 2px;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .news-content h3 a {
            color: var(--text-primary);
            transition: color 0.2s ease;
        }
        .news-content h3 a:hover {
            color: var(--primary);
        }
        .news-content p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .news-btn {
            flex-shrink: 0;
            align-self: center;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
            padding: 6px 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            transition: all 0.2s ease;
            text-decoration: none;
        }
        .news-btn:hover {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .tag-nav-section {
            padding-top: 32px;
            padding-bottom: 32px;
            background-color: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .tag-nav-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-link {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: var(--bg);
            border: 1px solid var(--border);
            transition: all 0.2s ease;
            text-decoration: none;
            cursor: pointer;
        }
        .tag-link:hover {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .tag-link.active-tag {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .featured-articles-section {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .featured-article-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .featured-article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .featured-article-img {
            width: 100%;
            height: 180px;
            overflow: hidden;
            background-color: rgba(31,61,43,0.08);
            flex-shrink: 0;
        }
        .featured-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-article-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-article-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .featured-article-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }
        .featured-article-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
        }
        .featured-article-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .deep-content-section {
            padding-top: 48px;
            padding-bottom: 48px;
            background-color: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .deep-content-block {
            max-width: 820px;
            margin: 0 auto 40px;
        }
        .deep-content-block:last-child {
            margin-bottom: 0;
        }
        .deep-content-block h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .deep-content-block p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .deep-content-block h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            margin-bottom: 8px;
            margin-top: 16px;
        }

        .faq-section {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 8px;
            overflow: hidden;
            background-color: transparent;
        }
        .accordion-custom .accordion-button {
            background-color: var(--card-bg);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all 0.2s ease;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: rgba(31,61,43,0.05);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            border: none;
            box-shadow: 0 0 0 3px rgba(31,61,43,0.15);
        }
        .accordion-custom .accordion-button::after {
            background-size: 14px;
            width: 14px;
            height: 14px;
            filter: invert(24%) sepia(10%) saturate(1100%) hue-rotate(100deg);
        }
        .accordion-custom .accordion-body {
            background-color: var(--card-bg);
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            padding: 12px 20px 20px;
        }

        .cta-subscribe-section {
            background-color: var(--primary);
            color: #fff;
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .cta-subscribe-section h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-subscribe-section .cta-sub {
            color: rgba(255,255,255,0.75);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .subscribe-form-inline {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form-inline input {
            flex: 1;
            min-width: 240px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.25);
            background-color: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .subscribe-form-inline input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .subscribe-form-inline input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(214,137,42,0.25);
        }

        /* ===== Footer ===== */
        .footer-section {
            background-color: var(--dark-bg);
            color: var(--dark-text);
            padding-top: 48px;
            padding-bottom: 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand {
            padding-right: 16px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-logo .logo-balls {
            display: flex;
            gap: 3px;
        }
        .footer-logo .logo-balls span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .footer-brand-text {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.4px;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            transition: color 0.2s ease;
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
        }
        .subscribe-input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.2);
            background-color: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 13px;
            transition: all 0.2s ease;
            min-width: 0;
        }
        .subscribe-input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .subscribe-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(214,137,42,0.2);
        }
        .btn-sm-custom {
            padding: 10px 16px;
            font-size: 13px;
            white-space: nowrap;
        }
        .footer-bottom {
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            opacity: 0.5;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .sidebar {
                width: var(--nav-width-tablet);
            }
            .main-content {
                margin-left: var(--nav-width-tablet);
            }
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-topbar {
                display: flex;
            }
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            .news-hero-section h1 {
                font-size: 28px;
            }
            .news-list-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .news-date {
                min-width: 70px;
            }
            .news-btn {
                align-self: flex-start;
                margin-left: 0;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .subscribe-form-inline {
                flex-direction: column;
            }
            .subscribe-form-inline input {
                width: 100%;
            }
            .news-hero-stats {
                gap: 20px;
            }
            .news-hero-stat .stat-value {
                font-size: 24px;
            }
            .featured-article-img {
                height: 160px;
            }
            .section-title {
                font-size: 22px;
            }
        }
        @media (max-width: 480px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .btn-custom,
            .btn-custom-accent,
            .btn-custom-outline {
                width: 100%;
                justify-content: center;
            }
            .news-list-item {
                padding: 14px 0;
            }
            .news-content h3 {
                font-size: 15px;
            }
        }