/* roulang page: index */
:root {
            --primary: #E8402A;
            --primary-hover: #C9301C;
            --primary-light: #FF6B4A;
            --secondary: #1E2229;
            --secondary-light: #2A2F3A;
            --bg: #F5F6F8;
            --card-bg: #FFFFFF;
            --accent: #B9975B;
            --text-primary: #1A1D24;
            --text-secondary: #5A6270;
            --text-weak: #9AA3B2;
            --text-on-dark: rgba(255,255,255,0.9);
            --text-on-dark-secondary: rgba(255,255,255,0.7);
            --success: #2CA860;
            --danger: #D63B2D;
            --border: rgba(0,0,0,0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
            --transition: 0.2s ease;
            --container: 1170px;
            --section-padding: 72px;
            --section-padding-mobile: 48px;
            --nav-height: 52px;
            --channel-height: 44px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-padding) 0;
        }

        .section-alt {
            background: var(--card-bg);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .section-title-dark {
            color: #fff;
        }

        .section-subtitle-dark {
            color: var(--text-on-dark-secondary);
        }

        .badge {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            margin-bottom: 12px;
            transition: all var(--transition);
        }

        .badge:hover {
            background: var(--primary);
            color: #fff;
        }

        .badge-dark {
            background: rgba(255,255,255,0.15);
            color: #fff;
        }

        .badge-dark:hover {
            background: #fff;
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 64, 42, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-weak);
        }

        .btn-secondary:hover {
            background: var(--bg);
            border-color: var(--text-secondary);
            color: var(--text-primary);
        }

        .btn-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.5);
        }

        .btn-light:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-color: #fff;
        }

        .btn-sm {
            padding: 6px 16px;
            font-size: 12px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
        }

        .brand-row {
            background: var(--secondary);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: all var(--transition);
        }

        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .brand-logo-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }

        .brand-logo:hover {
            color: #fff;
        }

        .brand-logo .logo-highlight {
            color: var(--primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-icon-btn {
            background: transparent;
            border: none;
            color: var(--text-weak);
            font-size: 16px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .search-icon-btn:hover {
            color: var(--primary);
            background: rgba(255,255,255,0.1);
        }

        .auth-link {
            color: var(--text-on-dark-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: color var(--transition);
        }

        .auth-link:hover {
            color: var(--primary);
        }

        .auth-divider {
            color: var(--text-weak);
            font-size: 12px;
        }

        .channel-row {
            background: #fff;
            height: var(--channel-height);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            transition: all var(--transition);
        }

        .channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .channel-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 14px;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .channel-nav a:hover {
            color: var(--primary);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .hot-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--bg);
            border-radius: 12px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .hot-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .channel-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 20px;
            height: 32px;
            padding: 0 12px;
            gap: 6px;
            min-width: 180px;
        }

        .channel-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            font-family: inherit;
            color: var(--text-primary);
            width: 100%;
            outline: none;
        }

        .channel-search input::placeholder {
            color: var(--text-weak);
        }

        .channel-search .search-btn {
            background: transparent;
            border: none;
            color: var(--text-weak);
            font-size: 13px;
            cursor: pointer;
            transition: color var(--transition);
        }

        .channel-search .search-btn:hover {
            color: var(--primary);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 20px;
            width: 40px;
            height: 40px;
            border-radius: 4px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 64px 0 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(30, 34, 41, 0.85) 0%, rgba(30, 34, 41, 0.55) 40%, rgba(30, 34, 41, 0.35) 70%, rgba(30, 34, 41, 0.5) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .hero-title span {
            color: var(--primary-light);
        }

        .hero-description {
            font-size: 17px;
            color: rgba(255,255,255,0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
            letter-spacing: 0.2px;
        }

        .hero-search-form {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 40px;
            height: 52px;
            padding: 0 8px 0 20px;
            max-width: 560px;
            margin: 0 auto 20px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.25);
            transition: box-shadow var(--transition);
        }

        .hero-search-form:focus-within {
            box-shadow: 0 8px 40px rgba(232, 64, 42, 0.3);
        }

        .hero-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 15px;
            font-family: inherit;
            color: var(--text-primary);
            outline: none;
            padding-right: 12px;
        }

        .hero-search-form input::placeholder {
            color: var(--text-weak);
        }

        .hero-search-form .hero-search-btn {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 28px;
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .hero-search-form .hero-search-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }

        .hero-hot-cats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-hot-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: 20px;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .hero-hot-cat:hover {
            background: rgba(255,255,255,0.3);
            color: #fff;
            border-color: #fff;
        }

        .hero-hot-cat i {
            font-size: 12px;
            color: var(--accent);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
            padding: 0 16px;
            border-right: 1px solid rgba(255,255,255,0.25);
        }

        .hero-stat:last-child {
            border-right: none;
        }

        .hero-stat-number {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }

        .hero-stat-label {
            font-size: 12px;
            color: rgba(255,255,255,0.7);
        }

        /* ========== KPI / About Section ========== */
        .kpi-section {
            background: var(--card-bg);
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .kpi-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .kpi-card:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .kpi-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
        }

        .kpi-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== Feature Cards (卖点三连) ========== */
        .features-section {
            background: var(--bg);
        }

        .features-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 20px;
        }

        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 64, 42, 0.15);
        }

        .feature-card-wide {
            grid-column: span 1;
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 20px;
            margin-bottom: 16px;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
        }

        .feature-icon.gold {
            background: rgba(185, 151, 91, 0.12);
            color: var(--accent);
        }

        .feature-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-chart {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 16px;
            margin-top: 8px;
        }

        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 60px;
        }

        .chart-bar {
            flex: 1;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
            opacity: 0.7;
            transition: all var(--transition);
            min-height: 8px;
        }

        .chart-bar:hover {
            opacity: 1;
            background: var(--primary-hover);
        }

        .chart-bar:nth-child(2) { height: 45%; }
        .chart-bar:nth-child(3) { height: 65%; }
        .chart-bar:nth-child(4) { height: 40%; }
        .chart-bar:nth-child(5) { height: 75%; }
        .chart-bar:nth-child(6) { height: 55%; }
        .chart-bar:nth-child(7) { height: 85%; }

        .chart-line {
            position: relative;
            height: 50px;
            background: transparent;
        }

        .chart-line svg {
            width: 100%;
            height: 100%;
        }

        .feature-percent {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
        }

        .feature-percent-label {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* ========== Scenario Section ========== */
        .scenario-section {
            background: var(--card-bg);
        }

        .scenario-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-step {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .scenario-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }

        .scenario-step-number {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scenario-body {
            padding: 20px 24px;
        }

        .scenario-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        .scenario-note {
            text-align: center;
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 20px;
            letter-spacing: 0.5px;
        }

        /* ========== Deep Content ========== */
        .deep-content {
            background: var(--bg);
        }

        .deep-article {
            max-width: 800px;
            margin: 0 auto;
        }

        .deep-article h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 24px 0 12px;
        }

        .deep-article p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-article blockquote {
            border-left: 4px solid var(--primary);
            background: var(--card-bg);
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            margin: 16px 0 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            border-top: 1px solid var(--border);
            border-right: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .deep-table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0 20px;
            font-size: 14px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .deep-table th {
            background: var(--secondary);
            color: #fff;
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
        }

        .deep-table td {
            padding: 10px 14px;
            border-top: 1px solid var(--border);
            color: var(--text-secondary);
        }

        .deep-table tr:hover td {
            background: var(--bg);
        }

        /* ========== News Section ========== */
        .news-section {
            background: var(--card-bg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .news-item:hover {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding-left: 8px;
            padding-right: 8px;
        }

        .news-date {
            width: 90px;
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .news-body {
            flex: 1;
            padding: 0 16px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            transition: color var(--transition);
            display: inline-block;
            margin-bottom: 4px;
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .news-readmore {
            flex-shrink: 0;
            padding: 6px 16px;
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            border: 1px solid rgba(232, 64, 42, 0.3);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            background: transparent;
        }

        .news-readmore:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .news-sidebar {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
        }

        .news-sidebar h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .news-sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .news-sidebar-list li i {
            color: var(--primary);
            font-size: 8px;
        }

        .news-sidebar-list li:hover {
            color: var(--primary);
        }

        /* ========== Brand Intro ========== */
        .brand-intro {
            background: var(--bg);
        }

        .brand-intro-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

        .brand-intro-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            background: var(--card-bg);
        }

        .faq-container {
            max-width: 700px;
            margin: 0 auto;
        }

        .faq-intro-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 24px;
            text-align: center;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-question {
            padding: 16px 0;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            transition: transform var(--transition);
            font-size: 12px;
            color: var(--text-weak);
        }

        .faq-question.active i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-right: 20px;
        }

        .faq-answer.open {
            max-height: 200px;
            padding-bottom: 12px;
        }

        /* ========== Social Proof ========== */
        .social-proof {
            background: var(--bg);
        }

        .proof-layout {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .proof-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .proof-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .proof-quote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }

        .proof-quote::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            font-style: normal;
        }

        .proof-source {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: right;
        }

        .proof-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }

        .proof-number-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ========== Bottom Fixed CTA ========== */
        .bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(30, 34, 41, 0.92);
            backdrop-filter: blur(8px);
            z-index: 90;
            display: flex;
            align-items: center;
            transition: opacity 0.3s ease, transform 0.3s ease;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .bottom-cta.hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateY(100%);
        }

        .bottom-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .bottom-cta-text {
            color: rgba(255,255,255,0.9);
            font-size: 14px;
            font-weight: 500;
        }

        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .bottom-cta-close {
            background: transparent;
            border: none;
            color: rgba(255,255,255,0.6);
            font-size: 14px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            cursor: pointer;
        }

        .bottom-cta-close:hover {
            color: #fff;
            background: rgba(255,255,255,0.15);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--secondary);
            color: var(--text-weak);
            padding: 48px 0 80px;
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-logo {
            font-size: 18px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-weak);
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-weak);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-weak);
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        .footer-bottom a {
            color: var(--text-weak);
            transition: color var(--transition);
        }

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

        .footer-bottom .footer-links {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 56px;
            }

            .features-layout {
                grid-template-columns: 1fr 1fr;
            }

            .feature-card-wide {
                grid-column: span 2;
            }

            .scenario-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-step:last-child {
                grid-column: span 2;
            }

            .brand-intro-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-layout {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .channel-search {
                min-width: 140px;
            }

            .hero-title {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
                --nav-height: 48px;
                --channel-height: 40px;
            }

            .container {
                padding: 0 16px;
            }

            .channel-row .container {
                flex-wrap: wrap;
                gap: 8px;
            }

            .channel-nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }

            .channel-nav a {
                padding: 8px 10px;
                font-size: 13px;
                white-space: nowrap;
            }

            .hot-tags {
                display: none;
            }

            .channel-search {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .brand-actions .auth-link {
                display: none;
            }

            .brand-actions .auth-divider {
                display: none;
            }

            .hero {
                min-height: 68vh;
                padding: 40px 0 56px;
            }

            .hero-title {
                font-size: 30px;
                letter-spacing: -0.3px;
            }

            .hero-description {
                font-size: 14px;
                padding: 0 12px;
            }

            .hero-search-form {
                height: 44px;
                padding: 0 4px 0 14px;
                border-radius: 30px;
            }

            .hero-search-form .hero-search-btn {
                padding: 8px 18px;
                font-size: 13px;
            }

            .hero-hot-cats {
                gap: 6px;
            }

            .hero-hot-cat {
                font-size: 11px;
                padding: 4px 12px;
            }

            .hero-stats {
                gap: 12px;
            }

            .hero-stat-number {
                font-size: 18px;
            }

            .hero-stat-label {
                font-size: 11px;
            }

            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .features-layout {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-card-wide {
                grid-column: span 1;
            }

            .scenario-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-step:last-child {
                grid-column: span 1;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 0;
                gap: 8px;
            }

            .news-date {
                font-size: 12px;
            }

            .news-body {
                padding: 0;
            }

            .news-summary {
                font-size: 13px;
                line-height: 1.6;
            }

            .news-readmore {
                align-self: flex-end;
                font-size: 11px;
                padding: 5px 12px;
            }

            .proof-layout {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .bottom-cta {
                height: 56px;
            }

            .bottom-cta-text {
                font-size: 12px;
            }

            .bottom-cta .btn {
                padding: 8px 16px;
                font-size: 12px;
            }

            .site-footer {
                padding-bottom: 72px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 14px;
                margin-bottom: 28px;
            }

            .deep-article p {
                font-size: 14px;
                line-height: 1.8;
            }

            .brand-intro-text h2 {
                font-size: 22px;
            }

            .news-sidebar {
                margin-top: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }

            .hero-search-form {
                height: 40px;
                padding: 0 3px 0 10px;
                border-radius: 24px;
            }

            .hero-search-form input {
                font-size: 13px;
            }

            .hero-search-form .hero-search-btn {
                padding: 6px 14px;
                font-size: 12px;
            }

            .hero-hot-cats {
                gap: 4px;
            }

            .hero-hot-cat {
                font-size: 10px;
                padding: 3px 8px;
            }

            .hero-stat {
                padding: 0 8px;
            }

            .hero-stat-number {
                font-size: 16px;
            }

            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .kpi-number {
                font-size: 24px;
            }

            .scenario-img {
                height: 140px;
            }

            .deep-table {
                font-size: 12px;
            }

            .deep-table th,
            .deep-table td {
                padding: 8px 10px;
            }

            .footer-bottom {
                font-size: 11px;
            }

            .brand-logo {
                font-size: 18px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #E8402A;
            --primary-hover: #C9301C;
            --primary-light: #FF6B4A;
            --secondary: #1E2229;
            --secondary-light: #2A2F3A;
            --bg: #F5F6F8;
            --card-bg: #FFFFFF;
            --accent: #B9975B;
            --text-primary: #1A1D24;
            --text-secondary: #5A6270;
            --text-weak: #9AA3B2;
            --text-on-dark: rgba(255,255,255,0.9);
            --text-on-dark-secondary: rgba(255,255,255,0.7);
            --success: #2CA860;
            --danger: #D63B2D;
            --border: rgba(0,0,0,0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
            --transition: 0.2s ease;
            --container: 1170px;
            --section-padding: 72px;
            --section-padding-mobile: 48px;
            --nav-height: 52px;
            --channel-height: 44px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-padding) 0;
        }

        .section-alt {
            background: var(--card-bg);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .section-title-dark {
            color: #fff;
        }

        .section-subtitle-dark {
            color: var(--text-on-dark-secondary);
        }

        .badge {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            margin-bottom: 12px;
            transition: all var(--transition);
        }

        .badge:hover {
            background: var(--primary);
            color: #fff;
        }

        .badge-dark {
            background: rgba(255,255,255,0.15);
            color: #fff;
        }

        .badge-dark:hover {
            background: #fff;
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 64, 42, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-weak);
        }

        .btn-secondary:hover {
            background: var(--bg);
            border-color: var(--text-secondary);
            color: var(--text-primary);
        }

        .btn-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.5);
        }

        .btn-light:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-color: #fff;
        }

        .btn-sm {
            padding: 6px 16px;
            font-size: 12px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
            background: #fff;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
        }

        .brand-row {
            background: var(--secondary);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: 0.5px;
        }

        .brand-logo:hover {
            color: #fff;
        }

        .brand-logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
        }

        .logo-highlight {
            color: var(--primary-light);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-action-link {
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .brand-action-link:hover {
            color: #fff;
        }

        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            height: var(--channel-height);
            display: flex;
            align-items: center;
            position: relative;
            z-index: 99;
        }

        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 24px;
            width: 100%;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .channel-nav a {
            display: block;
            padding: 12px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .channel-nav a:hover {
            color: var(--primary);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }

        .hot-tags::-webkit-scrollbar {
            display: none;
        }

        .hot-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(232, 64, 42, 0.06);
            border-radius: 16px;
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            cursor: default;
        }

        .hot-tag:hover {
            background: rgba(232, 64, 42, 0.12);
            color: var(--primary);
        }

        .channel-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border-radius: 20px;
            padding: 0 14px;
            height: 32px;
            flex-shrink: 0;
        }

        .channel-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-primary);
            width: 160px;
            outline: none;
            font-family: inherit;
        }

        .channel-search input::placeholder {
            color: var(--text-weak);
        }

        .search-btn {
            background: none;
            border: none;
            color: var(--text-weak);
            font-size: 14px;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition);
        }

        .search-btn:hover {
            color: var(--primary);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 20px;
            padding: 8px;
        }

        /* Breadcrumb */
        .breadcrumb-row {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-row .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .breadcrumb-row a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .breadcrumb-row .separator {
            color: var(--text-weak);
        }

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

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 480px;
            background-image: linear-gradient(180deg, rgba(30,34,41,0.75) 0%, rgba(30,34,41,0.55) 50%, rgba(30,34,41,0.85) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 80px 0;
            color: #fff;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
        }

        .hero-content {
            max-width: 720px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255,255,255,0.85);
            margin-bottom: 28px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-data-card {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(30,34,41,0.7);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 8px;
            padding: 12px 18px;
            font-size: 13px;
            color: rgba(255,255,255,0.9);
            margin-top: 24px;
            backdrop-filter: blur(6px);
        }

        .hero-data-card .data-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.5s infinite;
        }

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

        /* Asymmetric Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 20px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: rgba(232,64,42,0.15);
        }

        .feature-card.wide {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .feature-card-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            background: rgba(232,64,42,0.08);
            color: var(--primary);
        }

        .feature-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .mini-chart {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 60px;
            margin-top: 16px;
        }

        .mini-chart .bar {
            flex: 1;
            background: rgba(232,64,42,0.2);
            border-radius: 4px 4px 0 0;
            min-height: 8px;
            transition: background var(--transition);
        }

        .mini-chart .bar:nth-child(even) {
            background: rgba(185,151,91,0.3);
        }

        .feature-card:hover .mini-chart .bar {
            background: rgba(232,64,42,0.45);
        }

        .feature-stat {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 8px;
            display: inline-block;
        }

        /* Scenario Steps */
        .scenario-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }

        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .step-image {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

        .step-body {
            padding: 20px;
        }

        .step-number {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            text-align: center;
            line-height: 28px;
            margin-bottom: 10px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Editor's Picks */
        .picks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .pick-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .pick-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .pick-image {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .pick-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 500;
        }

        .pick-body {
            padding: 18px;
        }

        .pick-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .pick-date {
            font-size: 12px;
            color: var(--text-weak);
            margin-bottom: 8px;
            display: block;
        }

        .pick-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pick-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .pick-link:hover {
            color: var(--primary-hover);
        }

        /* Process Flow */
        .process-flow {
            display: flex;
            align-items: stretch;
            gap: 0;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin-top: 24px;
        }

        .process-item {
            flex: 1;
            padding: 24px 20px;
            text-align: center;
            position: relative;
            border-right: 1px solid var(--border);
        }

        .process-item:last-child {
            border-right: none;
        }

        .process-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(232,64,42,0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin: 0 auto 12px;
        }

        .process-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .process-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            margin-top: 24px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .fa-chevron-down {
            transition: transform var(--transition);
            font-size: 14px;
            color: var(--text-weak);
        }

        .faq-item.active .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
            border-top: 0px solid var(--border);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 16px 24px 20px;
            border-top: 1px solid var(--border);
        }

        /* CTA Section */
        .cta-section {
            background: var(--secondary);
            padding: 64px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section .container {
            max-width: 720px;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-desc {
            font-size: 15px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: var(--text-weak);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .footer-brand .brand-logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255,255,255,0.85);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-weak);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-weak);
            line-height: 2;
        }

        .footer-bottom p {
            margin: 0 0 4px;
        }

        .footer-links {
            margin-top: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-weak);
            text-decoration: none;
            font-size: 12px;
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 56px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card.wide {
                grid-row: auto;
            }
            .scenario-steps {
                grid-template-columns: 1fr 1fr;
            }
            .picks-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-flow {
                flex-wrap: wrap;
            }
            .process-item {
                flex-basis: 50%;
                border-bottom: 1px solid var(--border);
            }
            .process-item:nth-child(2) {
                border-right: none;
            }
            .process-item:nth-child(3),
            .process-item:nth-child(4) {
                border-bottom: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
                --nav-height: 48px;
                --channel-height: 40px;
            }
            .hero-section {
                min-height: 380px;
                padding: 56px 0;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .channel-search {
                display: none;
            }
            .hot-tags {
                gap: 6px;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 0;
                box-shadow: var(--shadow-lg);
                z-index: 98;
            }
            .channel-nav.open {
                display: flex;
            }
            .channel-nav a {
                padding: 12px 24px;
                width: 100%;
            }
            .channel-nav a.active::after {
                display: none;
            }
            .channel-nav a.active {
                background: rgba(232,64,42,0.06);
            }
            .scenario-steps {
                grid-template-columns: 1fr;
            }
            .picks-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                flex-direction: column;
            }
            .process-item {
                flex-basis: auto;
                border-right: none;
                border-bottom: 1px solid var(--border);
            }
            .process-item:last-child {
                border-bottom: none;
            }
            .footer-layout {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .footer-layout {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: auto;
            }
            .breadcrumb-row .container {
                font-size: 12px;
                flex-wrap: wrap;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #E8402A;
            --primary-hover: #C9301C;
            --primary-light: #FF6B4A;
            --secondary: #1E2229;
            --secondary-light: #2A2F3A;
            --bg: #F5F6F8;
            --card-bg: #FFFFFF;
            --accent: #B9975B;
            --text-primary: #1A1D24;
            --text-secondary: #5A6270;
            --text-weak: #9AA3B2;
            --text-on-dark: rgba(255, 255, 255, 0.9);
            --text-on-dark-secondary: rgba(255, 255, 255, 0.7);
            --success: #2CA860;
            --danger: #D63B2D;
            --border: rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
            --transition: 0.2s ease;
            --container: 1170px;
            --section-padding: 56px;
            --section-padding-mobile: 40px;
            --nav-height: 52px;
            --channel-height: 44px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-padding) 0;
        }

        .section-alt {
            background: var(--card-bg);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .section-title-dark {
            color: #fff;
        }

        .section-subtitle-dark {
            color: var(--text-on-dark-secondary);
        }

        .badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            margin-bottom: 12px;
            transition: all var(--transition);
        }

        .badge:hover {
            background: var(--primary);
            color: #fff;
        }

        .badge-dark {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .badge-dark:hover {
            background: #fff;
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 64, 42, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-weak);
        }

        .btn-secondary:hover {
            background: var(--bg);
            border-color: var(--text-secondary);
            color: var(--text-primary);
        }

        .btn-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }

        .btn-sm {
            padding: 6px 16px;
            font-size: 12px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-outline-accent:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            border-bottom: 1px solid var(--border);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            transition: color var(--transition);
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-hover));
            color: #fff;
            font-size: 18px;
        }

        .logo-highlight {
            color: var(--primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand-action-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            background: none;
            border: none;
            padding: 6px 10px;
            border-radius: 6px;
            transition: all var(--transition);
        }

        .brand-action-btn:hover {
            color: var(--primary);
            background: rgba(232, 64, 42, 0.06);
        }

        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            height: var(--channel-height);
        }

        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 20px;
            width: 100%;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0 14px;
            height: var(--channel-height);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .channel-nav a:hover {
            color: var(--primary);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            flex: 1;
            min-width: 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .hot-tags::-webkit-scrollbar {
            display: none;
        }

        .hot-tag {
            font-size: 12px;
            color: var(--text-secondary);
            background: var(--bg);
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .hot-tag:hover {
            color: var(--primary);
            background: rgba(232, 64, 42, 0.08);
        }

        .channel-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border-radius: 20px;
            padding: 0 10px;
            height: 32px;
            flex-shrink: 0;
        }

        .channel-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-primary);
            padding: 0 4px;
            width: 140px;
            outline: none;
            font-family: inherit;
        }

        .channel-search input::placeholder {
            color: var(--text-weak);
        }

        .search-btn {
            background: none;
            border: none;
            color: var(--text-weak);
            font-size: 14px;
            padding: 4px;
            transition: color var(--transition);
        }

        .search-btn:hover {
            color: var(--primary);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 6px;
            cursor: pointer;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

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

        .breadcrumb .separator {
            color: var(--text-weak);
            font-size: 11px;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #2A2F3A 50%, #3A2E2A 100%);
            color: var(--text-on-dark);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 64, 42, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(185, 151, 91, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-on-dark-secondary);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .hero-right-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(10px);
        }

        .hero-right-panel h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .hero-stats-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .hero-stat-item {
            flex: 1;
            min-width: 60px;
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 12px 10px;
        }

        .hero-stat-item .stat-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-light);
            display: block;
        }

        .hero-stat-item .stat-label {
            font-size: 11px;
            color: var(--text-on-dark-secondary);
            margin-top: 2px;
        }

        .hero-benefit-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-benefit-list li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-on-dark-secondary);
            background: rgba(255, 255, 255, 0.06);
            padding: 5px 12px;
            border-radius: 16px;
        }

        .hero-benefit-list li i {
            color: var(--accent);
            font-size: 11px;
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        /* ========== Cards ========== */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .card-body {
            padding: 20px 24px;
        }

        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-weak);
            margin-bottom: 12px;
        }

        .card-meta i {
            margin-right: 4px;
        }

        .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(232, 64, 42, 0.07);
            color: var(--primary);
            margin-right: 6px;
            margin-bottom: 4px;
            transition: all var(--transition);
        }

        .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .tag-accent {
            background: rgba(185, 151, 91, 0.12);
            color: var(--accent);
        }

        .tag-accent:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ========== Report List ========== */
        .report-list-item {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .report-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .report-list-image {
            flex-shrink: 0;
            width: 280px;
            height: 170px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            object-fit: cover;
        }

        .report-list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .report-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-date {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .report-list-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .report-list-title a {
            color: var(--text-primary);
            transition: color var(--transition);
        }

        .report-list-title a:hover {
            color: var(--primary);
        }

        .report-list-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            flex: 1;
        }

        .report-list-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .report-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
        }

        .read-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .read-more-link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        /* ========== Featured Section ========== */
        .featured-report {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 320px;
            display: block;
            color: #fff;
            transition: all var(--transition);
        }

        .featured-report img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            z-index: 0;
        }

        .featured-report::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 70%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
            z-index: 1;
        }

        .featured-report:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .featured-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 24px;
        }

        .featured-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-content p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .featured-meta {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== Sidebar ========== */
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            margin-bottom: 20px;
        }

        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

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

        .sidebar-rank-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .sidebar-rank-list li:last-child {
            border-bottom: none;
        }

        .sidebar-rank-list li:hover {
            padding-left: 4px;
        }

        .rank-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .rank-number.rank-1 {
            background: var(--primary);
            color: #fff;
        }

        .rank-number.rank-2 {
            background: #F5A623;
            color: #fff;
        }

        .rank-number.rank-3 {
            background: #8B8B8B;
            color: #fff;
        }

        .rank-number.rank-other {
            background: var(--bg);
            color: var(--text-secondary);
        }

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

        .rank-info a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .rank-info a:hover {
            color: var(--primary);
        }

        .rank-info .rank-meta {
            font-size: 11px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag-cloud .tag {
            font-size: 12px;
            padding: 4px 12px;
            cursor: pointer;
        }

        .trend-keyword {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 13px;
        }

        .trend-keyword:last-child {
            border-bottom: none;
        }

        .trend-keyword .trend-name {
            color: var(--text-primary);
            font-weight: 500;
        }

        .trend-keyword .trend-value {
            font-size: 12px;
            font-weight: 600;
        }

        .trend-up {
            color: var(--success);
        }

        .trend-down {
            color: var(--danger);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg);
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition);
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .accordion-title:hover {
            color: var(--primary);
        }

        .accordion-title .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            font-size: 12px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .accordion-item.active .accordion-title {
            color: var(--primary);
        }

        .accordion-item.active .accordion-title .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .accordion-content-inner {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2A2F3A 100%);
            color: var(--text-on-dark);
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 64, 42, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 15px;
            color: var(--text-on-dark-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.9;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== Pagination ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            list-style: none;
            padding: 0;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .pagination .current-page {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .pagination .page-dots {
            background: transparent;
            border: none;
            width: auto;
            padding: 0 4px;
            color: var(--text-weak);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1E2229;
            color: #9AA3B2;
            padding: 48px 0 24px;
            font-size: 13px;
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-logo {
            font-size: 19px;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #9AA3B2;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 14px;
            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 {
            color: #9AA3B2;
            font-size: 13px;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 12px;
            color: #9AA3B2;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 12px;
        }

        .footer-links a {
            color: #9AA3B2;
            transition: color var(--transition);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }

            :root {
                --section-padding: 48px;
            }

            .footer-layout {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .report-list-image {
                width: 220px;
                height: 150px;
            }

            .channel-search input {
                width: 100px;
            }

            .hot-tags {
                gap: 6px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px;
                --nav-height: 48px;
                --channel-height: 40px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 24px;
            }

            .container {
                padding: 0 16px;
            }

            .brand-row {
                height: var(--nav-height);
            }

            .brand-logo {
                font-size: 18px;
            }

            .channel-search {
                display: none;
            }

            .channel-nav {
                gap: 0;
                overflow-x: auto;
                flex: 1;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }

            .channel-nav::-webkit-scrollbar {
                display: none;
            }

            .channel-nav a {
                padding: 0 12px;
                font-size: 13px;
                flex-shrink: 0;
            }

            .hot-tags {
                display: none;
            }

            .mobile-menu-btn {
                display: inline-flex;
            }

            .report-list-item {
                flex-direction: column;
            }

            .report-list-image {
                width: 100%;
                height: 180px;
            }

            .category-hero {
                padding: 36px 0 40px;
            }

            .featured-report {
                height: 240px;
                margin-bottom: 16px;
            }

            .pagination a,
            .pagination span {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .footer-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }

            .section-title {
                font-size: 21px;
            }

            .btn {
                padding: 8px 18px;
                font-size: 13px;
            }

            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }

            .report-list-title {
                font-size: 15px;
            }

            .report-list-summary {
                font-size: 13px;
            }

            .featured-content h3 {
                font-size: 16px;
            }

            .cta-section h2 {
                font-size: 22px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E8402A;
            --primary-hover: #C9301C;
            --primary-light: #FF6B4A;
            --secondary: #1E2229;
            --secondary-light: #2A2F3A;
            --bg: #F5F6F8;
            --card-bg: #FFFFFF;
            --accent: #B9975B;
            --text-primary: #1A1D24;
            --text-secondary: #5A6270;
            --text-weak: #9AA3B2;
            --text-on-dark: rgba(255, 255, 255, 0.9);
            --text-on-dark-secondary: rgba(255, 255, 255, 0.7);
            --success: #2CA860;
            --danger: #D63B2D;
            --border: rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
            --transition: 0.2s ease;
            --container: 1170px;
            --section-padding: 72px;
            --section-padding-mobile: 48px;
            --nav-height: 52px;
            --channel-height: 44px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.6em;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text-primary);
        }

        p {
            margin: 0 0 1.2em;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-padding) 0;
        }

        .section-alt {
            background: var(--card-bg);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .section-title-dark {
            color: #fff;
        }

        .section-subtitle-dark {
            color: var(--text-on-dark-secondary);
        }

        .badge {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            margin-bottom: 12px;
            transition: all var(--transition);
        }

        .badge:hover {
            background: var(--primary);
            color: #fff;
        }

        .badge-dark {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .badge-dark:hover {
            background: #fff;
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 64, 42, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-weak);
        }

        .btn-secondary:hover {
            background: var(--bg);
            border-color: var(--text-secondary);
            color: var(--text-primary);
            transform: translateY(-1px);
        }

        .btn-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 6px 16px;
            font-size: 12px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
            background: #fff;
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-primary);
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 8px;
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-highlight {
            color: var(--primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-action-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
        }

        .brand-action-btn:hover {
            color: var(--primary);
            background: rgba(232, 64, 42, 0.05);
        }

        .channel-row {
            background: #FAFAFB;
            border-top: 1px solid rgba(0, 0, 0, 0.04);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            height: var(--channel-height);
            display: flex;
            align-items: center;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
            gap: 20px;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            height: 100%;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(232, 64, 42, 0.03);
        }

        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 1;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            min-width: 0;
        }

        .hot-tags::-webkit-scrollbar {
            display: none;
        }

        .hot-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(0, 0, 0, 0.04);
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .hot-tag:hover {
            color: var(--primary);
            background: rgba(232, 64, 42, 0.08);
        }

        .channel-search {
            display: flex;
            align-items: center;
            margin-left: auto;
            flex-shrink: 0;
        }

        .channel-search input {
            height: 32px;
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: 20px 0 0 20px;
            padding: 0 14px;
            font-size: 13px;
            font-family: inherit;
            background: #fff;
            width: 180px;
            transition: all var(--transition);
        }

        .channel-search input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(232, 64, 42, 0.1);
        }

        .channel-search .search-btn {
            height: 32px;
            width: 36px;
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-left: none;
            border-radius: 0 20px 20px 0;
            background: #fff;
            color: var(--text-secondary);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
        }

        .channel-search .search-btn:hover {
            color: var(--primary);
            background: rgba(232, 64, 42, 0.04);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 20px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            padding: 20px 0 0;
            background: var(--bg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .breadcrumb .separator {
            color: var(--text-weak);
            font-size: 10px;
        }

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

        /* ========== Category Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #2A2F3A 40%, #3A1F1A 100%);
            padding: 50px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 64, 42, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(185, 151, 91, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero-content {
            max-width: 720px;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .category-hero-description {
            font-size: 16px;
            color: var(--text-on-dark-secondary);
            line-height: 1.85;
            margin-bottom: 24px;
            max-width: 600px;
        }

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

        .category-hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .category-hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-on-dark);
        }

        .category-hero-stat .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .category-hero-stat .stat-text {
            font-size: 13px;
            color: var(--text-on-dark-secondary);
        }

        .category-hero-stat .stat-text strong {
            display: block;
            font-size: 16px;
            color: #fff;
            font-weight: 700;
        }

        /* ========== Section: Features ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 20px;
            margin-top: 8px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: rgba(232, 64, 42, 0.15);
        }

        .feature-card.wide {
            background: linear-gradient(150deg, #fff 0%, #FFF8F6 100%);
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            background: rgba(232, 64, 42, 0.08);
            margin-bottom: 16px;
        }

        .feature-card.wide .feature-icon {
            font-size: 24px;
            width: 56px;
            height: 56px;
            background: rgba(232, 64, 42, 0.1);
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .feature-card .mini-chart {
            margin-top: 16px;
            padding: 14px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .mini-chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 50px;
        }

        .mini-chart-bars span {
            flex: 1;
            background: rgba(232, 64, 42, 0.25);
            border-radius: 2px 2px 0 0;
            min-height: 8px;
            transition: background var(--transition);
        }

        .mini-chart-bars span:nth-child(odd) {
            background: rgba(232, 64, 42, 0.45);
        }

        .mini-chart-bars span.highlight {
            background: var(--primary);
        }

        /* ========== Section: Scenarios ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 8px;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .scenario-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--secondary);
        }

        .scenario-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .scenario-card:hover .scenario-card-img img {
            transform: scale(1.04);
        }

        .scenario-card-img .scenario-step {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(30, 34, 41, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .scenario-card-img .scenario-step i {
            color: var(--accent);
            font-size: 10px;
        }

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

        .scenario-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .scenario-note {
            margin-top: 18px;
            font-size: 13px;
            color: var(--text-weak);
            text-align: center;
            letter-spacing: 0.3px;
        }

        /* ========== Section: Content / Table ========== */
        .strategy-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
            margin-top: 8px;
        }

        .strategy-content-text {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
        }

        .strategy-content-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .strategy-content-text p {
            margin-bottom: 1.2em;
        }

        .strategy-quote {
            border-left: 4px solid var(--primary);
            background: #FAFAFA;
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .strategy-table-wrapper {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .strategy-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .strategy-table thead th {
            background: var(--secondary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .strategy-table tbody td {
            padding: 10px 16px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.6;
        }

        .strategy-table tbody tr:last-child td {
            border-bottom: none;
        }

        .strategy-table tbody tr:hover td {
            background: rgba(232, 64, 42, 0.02);
        }

        .strategy-table .positive {
            color: var(--success);
            font-weight: 600;
        }

        .strategy-table .negative {
            color: var(--danger);
            font-weight: 600;
        }

        .strategy-table .neutral {
            color: var(--text-secondary);
        }

        /* ========== Section: FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 8px auto 0;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            font-family: inherit;
            transition: all var(--transition);
            gap: 16px;
        }

        .faq-question:focus {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 22px 18px;
        }

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

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #C9301C 100%);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .cta-section .btn-light {
            background: #fff;
            color: var(--primary);
            border: none;
            font-weight: 700;
            padding: 14px 36px;
            font-size: 15px;
        }

        .cta-section .btn-light:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--secondary);
            color: var(--text-weak);
            padding: 48px 0 28px;
            font-size: 13px;
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
            display: inline-flex;
        }

        .footer-brand .brand-logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            color: var(--text-weak);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-weak);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .footer-links a {
            color: var(--text-weak);
            font-size: 12px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ========== Bottom Fixed CTA ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(30, 34, 41, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: rgba(255, 255, 255, 0.9);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            z-index: 90;
            transition: all 0.3s ease;
        }

        .bottom-cta-bar.hidden {
            transform: translateY(100%);
            pointer-events: none;
        }

        .bottom-cta-text {
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .bottom-cta-bar .btn-primary {
            background: var(--primary);
            padding: 8px 20px;
            font-size: 13px;
        }

        .bottom-cta-close {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .bottom-cta-close:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== Responsive ========== */
        @media screen and (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }

            .feature-card.wide {
                grid-column: span 2;
            }

            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }

            .strategy-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-layout {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .channel-search input {
                width: 140px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --section-padding: 48px;
                --nav-height: 48px;
                --channel-height: 40px;
            }

            .brand-row {
                padding: 0 16px;
            }

            .channel-row {
                padding: 0 12px;
                gap: 10px;
                overflow-x: auto;
                scrollbar-width: none;
            }

            .channel-row::-webkit-scrollbar {
                display: none;
            }

            .channel-nav {
                gap: 0;
            }

            .channel-nav a {
                padding: 0 10px;
                font-size: 13px;
                white-space: nowrap;
            }

            .hot-tags {
                display: none;
            }

            .channel-search input {
                width: 100px;
                font-size: 12px;
            }

            .category-hero {
                padding: 36px 0 40px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero-description {
                font-size: 14px;
            }

            .category-hero-stats {
                gap: 16px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-card.wide {
                grid-column: span 1;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-card-img {
                height: 160px;
            }

            .section {
                padding: var(--section-padding) 0;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 14px;
                margin-bottom: 28px;
            }

            .footer-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-links {
                margin-left: 0;
            }

            .bottom-cta-bar {
                padding: 8px 16px;
                gap: 10px;
            }

            .bottom-cta-text {
                font-size: 12px;
            }

            .bottom-cta-bar .btn-primary {
                padding: 6px 14px;
                font-size: 12px;
            }

            .mobile-menu-toggle {
                display: inline-flex;
            }

            .brand-actions .brand-action-btn span {
                display: none;
            }

            .strategy-content-text {
                font-size: 14px;
            }

            .strategy-table-wrapper {
                overflow-x: auto;
            }

            .strategy-table {
                min-width: 480px;
            }
        }

        @media screen and (max-width: 520px) {
            :root {
                --section-padding: 40px;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero-actions {
                flex-direction: column;
                gap: 8px;
            }

            .category-hero-actions .btn {
                width: 100%;
            }

            .category-hero-stats {
                flex-direction: column;
                gap: 10px;
            }

            .cta-section h2 {
                font-size: 22px;
            }

            .cta-section p {
                font-size: 14px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }

            .bottom-cta-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }

            .bottom-cta-actions {
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #E8402A;
            --primary-hover: #C9301C;
            --primary-light: #FF6B4A;
            --secondary: #1E2229;
            --secondary-light: #2A2F3A;
            --bg: #F5F6F8;
            --card-bg: #FFFFFF;
            --accent: #B9975B;
            --text-primary: #1A1D24;
            --text-secondary: #5A6270;
            --text-weak: #9AA3B2;
            --text-on-dark: rgba(255, 255, 255, 0.9);
            --text-on-dark-secondary: rgba(255, 255, 255, 0.7);
            --success: #2CA860;
            --danger: #D63B2D;
            --border: rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
            --transition: 0.2s ease;
            --container: 1170px;
            --section-padding: 72px;
            --section-padding-mobile: 48px;
            --nav-height: 52px;
            --channel-height: 44px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-padding) 0;
        }

        .section-alt {
            background: var(--card-bg);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .badge {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            margin-bottom: 12px;
            transition: all var(--transition);
        }

        .badge:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 64, 42, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-weak);
        }

        .btn-secondary:hover {
            background: var(--bg);
            border-color: var(--text-secondary);
            color: var(--text-primary);
        }

        .btn-sm {
            padding: 6px 16px;
            font-size: 12px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }

        .brand-row {
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 6px;
            color: #fff;
            font-size: 14px;
        }

        .logo-highlight {
            color: var(--primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-action-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--text-secondary);
            background: none;
            border: none;
            padding: 6px 10px;
            border-radius: 4px;
            transition: color var(--transition);
        }

        .brand-action-btn:hover {
            color: var(--primary);
        }

        .channel-row {
            height: var(--channel-height);
            display: flex;
            align-items: center;
            gap: 20px;
            border-bottom: 1px solid var(--border);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 0;
            height: 100%;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .channel-nav a:hover {
            color: var(--primary);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            flex: 1;
            scrollbar-width: none;
        }

        .hot-tags::-webkit-scrollbar {
            display: none;
        }

        .hot-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 12px;
            color: var(--text-secondary);
            background: var(--bg);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .hot-tag:hover {
            color: var(--primary);
            border-color: rgba(232, 64, 42, 0.3);
            background: rgba(232, 64, 42, 0.04);
        }

        .channel-search {
            display: flex;
            align-items: center;
            height: 32px;
            background: var(--bg);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: border-color var(--transition);
        }

        .channel-search:focus-within {
            border-color: var(--primary);
        }

        .channel-search input {
            border: none;
            background: none;
            padding: 0 12px;
            font-size: 13px;
            width: 160px;
            color: var(--text-primary);
            font-family: inherit;
        }

        .channel-search input:focus {
            outline: none;
        }

        .search-btn {
            background: none;
            border: none;
            color: var(--text-weak);
            padding: 0 12px;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            height: 100%;
            transition: color var(--transition);
        }

        .search-btn:hover {
            color: var(--primary);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-primary);
            padding: 8px;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-row {
            padding: 18px 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

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

        .breadcrumb .separator {
            color: var(--text-weak);
        }

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

        /* ========== Category Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, #1E2229 0%, #2A2F3A 55%, #3A1F1A 100%);
            padding: 56px 0 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 64, 42, 0.25), transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.5px;
        }

        .category-hero .hero-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 720px;
            line-height: 1.9;
            margin: 0;
        }

        /* ========== Editor's Picks ========== */
        .editor-section {
            padding: 48px 0 32px;
        }

        .editor-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .editor-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .editor-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .editor-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .editor-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .editor-card-tag {
            display: inline-block;
            align-self: flex-start;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
            margin-bottom: 10px;
        }

        .editor-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .editor-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
            flex: 1;
        }

        .editor-card-date {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ========== Notice List ========== */
        .notice-list-section {
            padding: 32px 0 56px;
        }

        .notice-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        .notice-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .notice-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            transition: all var(--transition);
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 16px;
            align-items: center;
        }

        .notice-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 64, 42, 0.15);
        }

        .notice-date {
            font-size: 13px;
            color: var(--text-weak);
            text-align: center;
            line-height: 1.5;
            border-right: 1px solid var(--border);
            padding-right: 16px;
        }

        .notice-date .day {
            display: block;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .notice-content {
            min-width: 0;
        }

        .notice-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .notice-title a {
            color: inherit;
        }

        .notice-title a:hover {
            color: var(--primary);
        }

        .notice-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .notice-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            margin-right: 6px;
        }

        .notice-tag.hot {
            background: rgba(232, 64, 42, 0.08);
            color: var(--primary);
        }

        .notice-tag.maintenance {
            background: rgba(185, 151, 91, 0.1);
            color: var(--accent);
        }

        .notice-btn {
            white-space: nowrap;
        }

        /* ========== Sidebar ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px;
        }

        .sidebar-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: color var(--transition);
        }

        .sidebar-list li a:hover {
            color: var(--primary);
        }

        .sidebar-list li .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 700;
            background: var(--bg);
            color: var(--text-weak);
            flex-shrink: 0;
        }

        .sidebar-list li .rank-num.top1 {
            background: var(--primary);
            color: #fff;
        }

        .sidebar-list li .rank-num.top2 {
            background: var(--accent);
            color: #fff;
        }

        .sidebar-list li .rank-num.top3 {
            background: var(--secondary);
            color: #fff;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 12px;
            color: var(--text-secondary);
            background: var(--bg);
            transition: all var(--transition);
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
        }

        .trend-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .trend-keyword {
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 500;
        }

        .trend-count {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* ========== Pagination ========== */
        .pagination-row {
            display: flex;
            justify-content: center;
            gap: 6px;
            padding: 24px 0 8px;
        }

        .pagination-row a,
        .pagination-row span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            padding: 0 10px;
            transition: all var(--transition);
        }

        .pagination-row a {
            background: #fff;
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }

        .pagination-row a:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-row .current-page {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E2229 0%, #2A2F3A 60%, #3A1F1A 100%);
            padding: 56px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 64, 42, 0.2), transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--secondary);
            color: var(--text-weak);
            padding: 56px 0 28px;
            font-size: 13px;
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            color: var(--text-weak);
            font-size: 13px;
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 12px;
            color: var(--text-weak);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
        }

        .footer-links a {
            color: var(--text-weak);
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .notice-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                grid-template-columns: repeat(2, 1fr);
                display: grid;
            }
            .footer-layout {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-search input {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
                --nav-height: 48px;
                --channel-height: 40px;
            }

            .container {
                padding: 0 16px;
            }

            .brand-row {
                height: auto;
                padding: 10px 0;
                flex-wrap: wrap;
                gap: 8px;
            }

            .brand-actions {
                gap: 8px;
            }

            .brand-action-btn span {
                display: none;
            }

            .channel-row {
                flex-wrap: wrap;
                height: auto;
                padding: 8px 0;
                gap: 8px;
            }

            .channel-nav {
                overflow-x: auto;
                width: 100%;
                scrollbar-width: none;
                -webkit-overflow-scrolling: touch;
            }
            .channel-nav::-webkit-scrollbar {
                display: none;
            }
            .channel-nav a {
                padding: 0 12px;
                height: 32px;
                flex-shrink: 0;
            }
            .channel-nav a.active::after {
                left: 12px;
                right: 12px;
            }

            .hot-tags {
                width: 100%;
                order: 3;
                padding: 4px 0;
            }

            .channel-search {
                order: 2;
                flex: 1;
                max-width: 160px;
                margin-left: auto;
            }

            .channel-search input {
                width: 80px;
            }

            .category-hero {
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 28px;
            }

            .section-title {
                font-size: 22px;
            }

            .editor-grid {
                grid-template-columns: 1fr;
            }

            .notice-item {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 16px 18px;
            }

            .notice-date {
                border-right: none;
                padding-right: 0;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 6px;
            }
            .notice-date .day {
                font-size: 16px;
            }

            .notice-btn {
                align-self: flex-end;
            }

            .sidebar {
                grid-template-columns: 1fr;
                display: flex;
            }

            .cta-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .footer-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 13px;
            }

            .editor-card-img {
                height: 160px;
            }

            .notice-title {
                font-size: 14px;
            }
            .notice-desc {
                font-size: 13px;
                -webkit-line-clamp: 3;
            }

            .pagination-row a,
            .pagination-row span {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
                padding: 0 8px;
            }
        }