/* roulang page: index */
:root {
            --primary: #4A7FBF;
            --primary-dark: #2F5B8C;
            --primary-light: #6A9EC9;
            --accent: #5FA8C9;
            --accent-soft: #E8EDF2;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F7FA;
            --border-light: #ECF0F5;
            --text-dark: #1A2B3C;
            --text-muted: #5C6B7A;
            --text-light: #8A97A5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s ease;
            --section-pad: 80px;
            --footer-bg: #1F2A36;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(74, 127, 191, 0.4);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(74, 127, 191, 0.09);
            border: 1px solid rgba(74, 127, 191, 0.18);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

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

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hamburger-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(31, 42, 54, 0.6);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.32s ease;
            display: flex;
            justify-content: flex-end;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            width: 400px;
            max-width: 88vw;
            height: 100%;
            background: #fff;
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.14);
            transform: translateX(100%);
            transition: transform 0.32s ease;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            padding: 28px 24px 32px;
        }

        .drawer-overlay.open .drawer-panel {
            transform: translateX(0);
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .drawer-close-btn {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            background: #fff;
            color: var(--text-muted);
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .drawer-close-btn:hover {
            background: var(--bg-gray);
            color: var(--text-dark);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .drawer-nav a {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            padding: 14px 16px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            letter-spacing: 0.3px;
        }

        .drawer-nav a::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: var(--primary);
            border-radius: 0 2px 2px 0;
            transition: var(--transition);
        }

        .drawer-nav a:hover,
        .drawer-nav a.active {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary);
        }

        .drawer-nav a:hover::before,
        .drawer-nav a.active::before {
            height: 60%;
        }

        .drawer-nav a i {
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
        }

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

        .drawer-footer {
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            margin-top: 16px;
        }

        .drawer-footer .drawer-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .drawer-footer .drawer-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }

        .drawer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            justify-content: center;
        }

        .drawer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-gray);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .drawer-social a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(160deg, #F5F7FA 0%, #EDF3F8 40%, #E3EDF5 100%);
            padding-top: 72px;
            padding-bottom: 72px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -160px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(74, 127, 191, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -200px;
            left: -160px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(95, 168, 201, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content .section-tag {
            background: rgba(74, 127, 191, 0.12);
            border-color: rgba(74, 127, 191, 0.25);
        }

        .hero-content h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-content .hero-desc {
            font-size: 15.5px;
            color: var(--text-muted);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 24px;
        }

        .hero-check-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 20px;
            margin-bottom: 28px;
            padding: 0;
            list-style: none;
        }

        .hero-check-list li {
            font-size: 14px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }

        .hero-check-list li i {
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(47, 91, 140, 0.25);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            background: #fff;
            border: 1px solid var(--border-light);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-md);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            z-index: 2;
        }

        .hero-image-badge i {
            color: var(--primary);
            font-size: 16px;
        }

        /* ===== General card styles ===== */
        .custom-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .custom-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dfe6ed;
        }

        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: rgba(74, 127, 191, 0.09);
            border-radius: var(--radius-md);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 16px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .custom-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.04);
        }

        .custom-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.2px;
        }

        .custom-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        /* ===== Brand Intro ===== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            aspect-ratio: 4 / 3;
        }

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

        .brand-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
        }

        .brand-badge-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-sm);
            min-width: 140px;
        }

        .brand-badge-item .badge-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .brand-badge-item .badge-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== Data Stats ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 32px 24px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .stat-block {
            text-align: center;
            padding: 8px 10px;
            border-right: 1px solid var(--border-light);
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-unit {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
            margin-left: 4px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Process Timeline ===== */
        .process-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border-light);
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: #fff;
            border: 2px solid var(--primary);
            border-radius: 50%;
            color: var(--primary);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            transition: var(--transition);
            position: relative;
            z-index: 2;
        }

        .process-step:hover .step-number {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(74, 127, 191, 0.3);
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        .scenario-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

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

        .scenario-card .scenario-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

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

        .scenario-card .scenario-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

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

        .scenario-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(74, 127, 191, 0.08);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        /* ===== Case Wall ===== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .case-card:nth-child(2) {
            margin-top: 20px;
        }

        .case-card:nth-child(3) {
            margin-top: 40px;
        }

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

        .case-player {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .case-avatar {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 50%;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .case-player-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .case-player-info span {
            font-size: 12.5px;
            color: var(--text-light);
        }

        .case-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-highlight {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(74, 127, 191, 0.07);
            padding: 6px 14px;
            border-radius: 999px;
            align-self: flex-start;
        }

        .case-highlight i {
            font-size: 12px;
        }

        /* ===== News list ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

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

        .news-thumb {
            width: 160px;
            min-width: 160px;
            height: 110px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-info {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-info h3 {
            font-size: 15.5px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-info h3 a {
            color: var(--text-dark);
        }

        .news-info h3 a:hover {
            color: var(--primary);
        }

        .news-info p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            font-size: 12.5px;
            color: var(--text-light);
            display: flex;
            gap: 14px;
        }

        .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Tools ===== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tool-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            text-align: center;
        }

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

        .tool-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: rgba(74, 127, 191, 0.09);
            border-radius: var(--radius-lg);
            color: var(--primary);
            font-size: 26px;
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .tool-card:hover .tool-icon {
            background: var(--primary);
            color: #fff;
        }

        .tool-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .tool-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .tool-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            transition: var(--transition);
            background: transparent;
        }

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

        /* ===== Partners ===== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .partner-logo {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 1px;
            transition: var(--transition);
            min-height: 72px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .partner-logo:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 52px;
            color: rgba(74, 127, 191, 0.15);
            position: absolute;
            top: 8px;
            right: 20px;
            line-height: 1;
            font-family: Georgia, serif;
        }

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

        .testimonial-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author .t-avatar {
            width: 36px;
            height: 36px;
            background: var(--accent-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .testimonial-author .t-info h4 {
            font-size: 13.5px;
            font-weight: 600;
            margin-bottom: 1px;
        }

        .testimonial-author .t-info span {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-accordion .accordion-item:hover {
            border-color: #d8dfe6;
        }

        .faq-accordion .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md) !important;
            transition: var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(74, 127, 191, 0.04);
            color: var(--primary);
            box-shadow: none;
            border-bottom-color: var(--border-light);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-light);
        }

        .faq-accordion .accordion-button::after {
            filter: brightness(0.6);
        }

        .faq-accordion .accordion-body {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            padding: 16px 20px 18px;
            background: #fff;
        }

        /* ===== Guarantee bar ===== */
        .guarantee-bar {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow-sm);
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .guarantee-item .g-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: rgba(74, 127, 191, 0.08);
            border-radius: var(--radius-md);
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(140deg, #F0F5FA 0%, #E5EFF6 60%, #DCE8F2 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            right: -80px;
            transform: translateY(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(74, 127, 191, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .cta-content p {
            font-size: 15.5px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 26px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 28px;
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 19px;
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo .logo-badge {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
        }

        .footer-brand p {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
            line-height: 1.75;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13.5px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 24px 16px;
            }
            .stat-block {
                border-right: none;
            }
            .process-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }
            .process-timeline::before {
                display: none;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-card:nth-child(2),
            .case-card:nth-child(3) {
                margin-top: 0;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 52px;
            }
            section {
                padding-top: 52px;
                padding-bottom: 52px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-content {
                text-align: center;
            }
            .hero-content .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-check-list {
                grid-template-columns: 1fr;
                justify-items: center;
                gap: 8px;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-image-wrapper {
                aspect-ratio: 16 / 10;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 26px;
            }
            .process-timeline {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .case-card:nth-child(2),
            .case-card:nth-child(3) {
                margin-top: 0;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                min-width: 100%;
                height: 160px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-bar {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .drawer-panel {
                width: 100%;
                max-width: 100%;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .brand-badges {
                justify-content: center;
            }
            .cta-content h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 20px;
            }
            .hero-content h1 {
                font-size: 24px;
            }
            .hero-check-list {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 22px;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .partner-logo {
                min-height: 56px;
                font-size: 12px;
                padding: 12px 6px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .cta-btns {
                flex-direction: column;
                width: 100%;
            }
            .cta-btns .btn-primary-custom,
            .cta-btns .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #4A7FBF;
            --primary-dark: #2F5B8C;
            --primary-light: #6A9EC9;
            --accent: #5FA8C9;
            --accent-soft: #E8EDF2;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F7FA;
            --border-light: #ECF0F5;
            --text-dark: #1A2B3C;
            --text-muted: #5C6B7A;
            --text-light: #8A97A5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s ease;
            --section-pad: 80px;
            --footer-bg: #1F2A36;
        }
        :root {
            --section-pad: 52px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(74, 127, 191, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-gray);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(74, 127, 191, 0.09);
            border: 1px solid rgba(74, 127, 191, 0.18);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-dark);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(31, 42, 54, 0.6);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 380px;
            max-width: 88vw;
            background: #fff;
            z-index: 2100;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .drawer-panel.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-close {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
        }
        .drawer-close:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }
        .drawer-nav {
            padding: 20px 24px;
            flex: 1;
        }
        .drawer-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .drawer-nav li {
            margin-bottom: 4px;
        }
        .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .drawer-nav a:hover {
            background: rgba(74, 127, 191, 0.06);
            border-left-color: var(--primary);
            color: var(--primary-dark);
        }
        .drawer-nav a.active {
            background: rgba(74, 127, 191, 0.08);
            border-left-color: var(--primary);
            color: var(--primary);
        }
        .drawer-nav a .nav-icon {
            width: 28px;
            text-align: center;
            color: var(--text-light);
            font-size: 15px;
            flex-shrink: 0;
        }
        .drawer-nav a.active .nav-icon {
            color: var(--primary);
        }
        .drawer-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .drawer-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrapper {
            background: var(--bg-gray);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: #c8ced4;
            margin-left: 4px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #F2F6FA 0%, #E8EDF2 60%, #E1EAF2 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .category-hero .h1-wrap {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            flex-wrap: wrap;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .category-hero .cat-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 820px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        .cat-meta-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 18px;
            padding-top: 18px;
            border-top: 1px solid rgba(0, 0, 0, 0.06);
        }
        .cat-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .cat-meta-item i {
            color: var(--primary);
            font-size: 14px;
        }

        /* ===== Article List Cards ===== */
        .article-list .article-card {
            display: flex;
            gap: 0;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .article-list .article-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d9e2ec;
            transform: translateY(-2px);
        }
        .article-card .ac-img {
            width: 260px;
            min-height: 170px;
            flex-shrink: 0;
            overflow: hidden;
            background: #dbe4ee;
            position: relative;
        }
        .article-card .ac-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .article-card:hover .ac-img img {
            transform: scale(1.04);
        }
        .article-card .ac-body {
            flex: 1;
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-card .ac-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(74, 127, 191, 0.08);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card .ac-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
            letter-spacing: 0.2px;
        }
        .article-card .ac-title a {
            color: var(--text-dark);
        }
        .article-card .ac-title a:hover {
            color: var(--primary);
        }
        .article-card .ac-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .ac-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .article-card .ac-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card .ac-meta i {
            font-size: 12px;
        }

        /* ===== Featured Topics ===== */
        .topic-grid .topic-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .topic-grid .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .topic-card .tc-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #dbe4ee;
        }
        .topic-card .tc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .topic-card:hover .tc-img img {
            transform: scale(1.03);
        }
        .topic-card .tc-body {
            padding: 18px 20px;
        }
        .topic-card .tc-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .topic-card .tc-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Data Strip ===== */
        .data-strip {
            background: var(--primary-dark);
            padding: 36px 0;
            border-radius: var(--radius-lg);
            margin-top: 0;
        }
        .data-strip .ds-item {
            text-align: center;
            padding: 12px 16px;
        }
        .data-strip .ds-num {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .data-strip .ds-unit {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }
        .data-strip .ds-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 13px;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .tag-cloud .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(74, 127, 191, 0.04);
        }
        .tag-cloud .tag-item i {
            font-size: 11px;
            color: var(--text-light);
        }

        /* ===== Player Reviews ===== */
        .review-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .review-card .rc-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .review-card .rc-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .review-card .rc-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
        }
        .review-card .rc-tag {
            font-size: 12px;
            color: var(--primary);
            background: rgba(74, 127, 191, 0.08);
            padding: 2px 10px;
            border-radius: 4px;
            margin-left: auto;
        }
        .review-card .rc-text {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== Monthly Ranking ===== */
        .rank-list {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .rank-list .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-list .rank-item:last-child {
            border-bottom: none;
        }
        .rank-list .rank-item:hover {
            background: rgba(74, 127, 191, 0.04);
        }
        .rank-list .rank-num {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: var(--bg-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .rank-list .rank-item:nth-child(1) .rank-num {
            background: rgba(74, 127, 191, 0.12);
            color: var(--primary);
        }
        .rank-list .rank-item:nth-child(2) .rank-num {
            background: rgba(95, 168, 201, 0.12);
            color: var(--accent);
        }
        .rank-list .rank-item:nth-child(3) .rank-num {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary-light);
        }
        .rank-list .rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            flex: 1;
        }
        .rank-list .rank-views {
            font-size: 12px;
            color: var(--text-light);
            white-space: nowrap;
        }

        /* ===== Subscribe ===== */
        .subscribe-box {
            background: linear-gradient(135deg, #F7F9FC 0%, #EDF2F7 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-box .sb-text h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .subscribe-box .sb-text p {
            font-size: 13.5px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 1;
            max-width: 420px;
            min-width: 260px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 11px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-dark);
            background: #fff;
            transition: var(--transition);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 127, 191, 0.1);
        }
        .subscribe-form button {
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.22);
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-outline-custom:hover {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.75);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.75;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 9px;
        }
        .footer-col a {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 12.5px;
        }
        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 56px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .article-card .ac-img {
                width: 220px;
                min-height: 150px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 42px;
            }
            .site-header .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
                gap: 6px;
            }
            .hamburger-btn {
                width: 40px;
                height: 40px;
            }
            .brand-logo {
                font-size: 18px;
                gap: 8px;
            }
            .brand-logo .logo-badge {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .cat-desc {
                font-size: 14px;
            }
            .article-list .article-card {
                flex-direction: column;
            }
            .article-card .ac-img {
                width: 100%;
                min-height: 180px;
                aspect-ratio: 16/9;
            }
            .article-card .ac-body {
                padding: 16px 18px;
            }
            .article-card .ac-title {
                font-size: 16px;
            }
            .data-strip .ds-item {
                padding: 8px 10px;
            }
            .data-strip .ds-num {
                font-size: 26px;
            }
            .subscribe-box {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            .subscribe-form {
                max-width: 100%;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .drawer-panel {
                width: 320px;
                max-width: 92vw;
            }
            .drawer-nav a {
                font-size: 16px;
                padding: 12px 14px;
            }
            .section-title {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-pad: 32px;
            }
            .site-header {
                padding: 10px 0;
            }
            .brand-logo {
                font-size: 16px;
                gap: 6px;
            }
            .brand-logo .logo-badge {
                width: 26px;
                height: 26px;
                font-size: 13px;
                border-radius: 6px;
            }
            .header-cta {
                padding: 7px 12px;
                font-size: 12px;
            }
            .hamburger-btn {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 21px;
            }
            .cat-meta-bar {
                gap: 12px;
                flex-wrap: wrap;
            }
            .article-card .ac-title {
                font-size: 15px;
            }
            .article-card .ac-desc {
                font-size: 12.5px;
                -webkit-line-clamp: 3;
            }
            .topic-grid .topic-card .tc-name {
                font-size: 15px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 20px;
            }
            .drawer-panel {
                width: 100vw;
                max-width: 100vw;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #4A7FBF;
            --primary-dark: #2F5B8C;
            --primary-light: #6A9EC9;
            --accent: #5FA8C9;
            --accent-soft: #E8EDF2;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F7FA;
            --border-light: #ECF0F5;
            --text-dark: #1A2B3C;
            --text-muted: #5C6B7A;
            --text-light: #8A97A5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s ease;
            --section-pad: 80px;
            --footer-bg: #1F2A36;
        }

        :root {
            --section-pad: 52px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(74, 127, 191, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-gray);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(74, 127, 191, 0.09);
            border: 1px solid rgba(74, 127, 191, 0.18);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-dark);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(31, 42, 54, 0.6);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 380px;
            max-width: 90vw;
            background: #fff;
            z-index: 2100;
            box-shadow: -12px 0 40px rgba(0, 0, 0, 0.15);
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .drawer-panel.active {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
        }
        .drawer-close {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
        }
        .drawer-close:hover {
            background: var(--bg-gray);
        }
        .drawer-nav {
            flex: 1;
            padding: 20px 24px;
        }
        .drawer-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .drawer-nav ul li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .drawer-nav ul li a::before {
            content: '';
            position: absolute;
            left: -4px;
            top: 50%;
            transform: translateY(-50%) scaleY(0);
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
            transition: transform 0.2s ease;
        }
        .drawer-nav ul li a:hover,
        .drawer-nav ul li a.active {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary-dark);
        }
        .drawer-nav ul li a:hover::before,
        .drawer-nav ul li a.active::before {
            transform: translateY(-50%) scaleY(1);
        }
        .drawer-nav ul li a .nav-arrow {
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
        }
        .drawer-nav ul li a:hover .nav-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }
        .drawer-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .drawer-footer .drawer-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .drawer-footer .drawer-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .drawer-social {
            display: flex;
            gap: 12px;
            justify-content: center;
        }
        .drawer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }
        .drawer-social a:hover {
            background: var(--bg-gray);
            color: var(--primary);
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 100%);
            padding-top: 48px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-nav {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .breadcrumb-sep {
            color: #c0c7cf;
        }
        .breadcrumb-nav .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }
        .category-hero .category-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .category-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .category-hero-stats .stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            background: #fff;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .category-hero-stats .stat-item i {
            color: var(--primary);
            font-size: 14px;
        }
        .category-hero-stats .stat-item strong {
            font-weight: 700;
            color: var(--text-dark);
        }

        /* Guide List */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .guide-card {
            display: flex;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dde4eb;
        }
        .guide-card-img {
            flex-shrink: 0;
            width: 220px;
            min-height: 150px;
            overflow: hidden;
            position: relative;
        }
        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .guide-card:hover .guide-card-img img {
            transform: scale(1.03);
        }
        .guide-card-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 10px;
        }
        .guide-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(74, 127, 191, 0.08);
            padding: 3px 10px;
            border-radius: 999px;
            align-self: flex-start;
        }
        .guide-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 0;
        }
        .guide-card-title a {
            color: var(--text-dark);
            transition: var(--transition);
        }
        .guide-card-title a:hover {
            color: var(--primary);
        }
        .guide-card-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-meta {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .guide-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .guide-card-meta i {
            color: var(--primary-light);
        }
        .view-more-wrap {
            margin-top: 32px;
            text-align: center;
        }
        .btn-outline-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline-primary-custom:hover {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* Featured Topics */
        .topic-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .topic-card {
            display: flex;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            gap: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: flex-start;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dde4eb;
        }
        .topic-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(74, 127, 191, 0.08), rgba(95, 168, 201, 0.08));
            color: var(--primary);
            font-size: 22px;
        }
        .topic-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .topic-link {
            margin-top: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .topic-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* Data Snapshot */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-block {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .data-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .data-unit {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .data-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* Player Comments */
        .comment-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .comment-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .comment-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
        }
        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .comment-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .comment-author-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .comment-author-tag {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Tools Section */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(74, 127, 191, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
        }
        .tool-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0;
        }
        .tool-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }
        .tool-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            align-self: flex-start;
        }
        .tool-btn:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* Category Expansion */
        .category-expand {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        .category-expand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .category-expand p:last-child {
            margin-bottom: 0;
        }
        .category-expand strong {
            color: var(--text-dark);
            font-weight: 600;
        }

        /* Subscribe CTA */
        .subscribe-box {
            background: linear-gradient(135deg, #F5F7FA 0%, #FFFFFF 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .subscribe-box h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .subscribe-box p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-dark);
            background: #fff;
            transition: var(--transition);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-light);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 127, 191, 0.12);
            outline: none;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: #c8d0d8;
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand .brand-logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            color: #a0aab4;
            margin-bottom: 0;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #a0aab4;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            font-size: 12px;
            color: #8a95a1;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #8a95a1;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-links span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comment-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
            }
            .site-header .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .header-cta span {
                display: none;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero {
                padding-top: 32px;
                padding-bottom: 24px;
            }
            .category-hero-stats {
                gap: 12px;
            }
            .category-hero-stats .stat-item {
                font-size: 12px;
                padding: 6px 12px;
            }
            .guide-card {
                flex-direction: column;
            }
            .guide-card-img {
                width: 100%;
                height: 180px;
            }
            .guide-card-body {
                padding: 16px 18px;
            }
            .topic-card {
                padding: 18px;
                gap: 14px;
            }
            .topic-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-block {
                padding: 18px 14px;
            }
            .data-number {
                font-size: 24px;
            }
            .comment-card {
                padding: 18px;
            }
            .tool-card {
                padding: 18px;
            }
            .category-expand {
                padding: 20px;
            }
            .subscribe-box {
                padding: 28px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-links {
                justify-content: center;
            }
            .drawer-panel {
                width: 100%;
                max-width: 100vw;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .category-desc {
                font-size: 13px;
            }
            .guide-card-excerpt {
                -webkit-line-clamp: 3;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-number {
                font-size: 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .btn-primary-custom {
                justify-content: center;
                width: 100%;
            }
        }

/* roulang page: category4 */
:root {
  --primary: #4A7FBF;
  --primary-dark: #2F5B8C;
  --primary-light: #6A9EC9;
  --accent: #5FA8C9;
  --accent-soft: #E8EDF2;
  --bg-white: #FFFFFF;
  --bg-gray: #F5F7FA;
  --border-light: #ECF0F5;
  --text-dark: #1A2B3C;
  --text-muted: #5C6B7A;
  --text-light: #8A97A5;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
  --transition: all 0.25s ease;
  --section-pad: 72px;
  --footer-bg: #1F2A36;
 }
 html {
  scroll-behavior: smooth;
 }
 body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
 }
 a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
 }
 a:hover {
  color: var(--primary-dark);
  text-decoration: none;
 }
 a:focus-visible,
 button:focus-visible,
 input:focus-visible {
  outline: 3px solid rgba(74, 127, 191, 0.4);
  outline-offset: 2px;
 }
 img {
  max-width: 100%;
  height: auto;
  display: block;
 }
 .container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
 }
 section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
  position: relative;
 }
 .section-alt {
  background-color: var(--bg-gray);
 }
 .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background-color: rgba(74, 127, 191, 0.09);
  border: 1px solid rgba(74, 127, 191, 0.18);
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
 }
 .section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.35;
  letter-spacing: 0.3px;
 }
 .section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 0;
 }
 .section-header {
  margin-bottom: 40px;
 }
 .section-header.center {
  text-align: center;
 }
 .section-header.center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
 }
 /* ===== Header / Navigation ===== */
 .site-header {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
 }
 .site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
 }
 .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: 0.5px;
  white-space: nowrap;
 }
 .brand-logo .logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
 }
 .brand-logo:hover {
  color: var(--text-dark);
 }
 .header-right {
  display: flex;
  align-items: center;
  gap: 12px;
 }
 .hamburger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--text-dark);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  z-index: 2100;
 }
 .hamburger-btn:hover {
  background: var(--bg-gray);
  border-color: #d8dfe6;
 }
 .header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.3px;
 }
 .header-cta:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
 }
 /* Drawer */
 .drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 42, 54, 0.6);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
 }
 .drawer-overlay.active {
  opacity: 1;
  visibility: visible;
 }
 .drawer-panel {
  position: fixed;
  top: 0;
  right: -360px;
  width: 340px;
  max-width: 86vw;
  height: 100vh;
  background: #fff;
  z-index: 2100;
  box-shadow: -12px 0 32px rgba(0, 0, 0, 0.12);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 28px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
 }
 .drawer-panel.active {
  right: 0;
 }
 .drawer-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  transition: var(--transition);
 }
 .drawer-close:hover {
  color: var(--text-dark);
 }
 .drawer-nav {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
 }
 .drawer-nav li {
  margin-bottom: 4px;
 }
 .drawer-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  letter-spacing: 0.3px;
 }
 .drawer-nav a:hover,
 .drawer-nav a.active {
  background: var(--bg-gray);
  color: var(--primary);
  border-left: 3px solid var(--primary);
 }
 .drawer-nav a i {
  width: 24px;
  text-align: center;
  color: var(--primary);
  font-size: 16px;
 }
 .drawer-cta {
  margin-top: 8px;
 }
 .drawer-cta .btn {
  width: 100%;
  justify-content: center;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: none;
  transition: var(--transition);
 }
 .drawer-cta .btn:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
 }
 /* ===== Breadcrumb ===== */
 .breadcrumb-wrap {
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
  font-size: 13px;
 }
 .breadcrumb-wrap .breadcrumb {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
 }
 .breadcrumb-wrap .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
 }
 .breadcrumb-wrap .breadcrumb li a {
  color: var(--text-muted);
 }
 .breadcrumb-wrap .breadcrumb li a:hover {
  color: var(--primary);
 }
 .breadcrumb-wrap .breadcrumb li.active {
  color: var(--primary);
  font-weight: 600;
 }
 .breadcrumb-wrap .breadcrumb li .separator {
  color: var(--text-light);
  margin: 0 2px;
 }
 /* ===== Category H1 Header ===== */
 .category-hero {
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-gray) 100%);
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--border-light);
 }
 .category-hero .cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(74, 127, 191, 0.08);
  border: 1px solid rgba(74, 127, 191, 0.18);
  padding: 4px 16px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
 }
 .category-hero h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
  letter-spacing: 0.3px;
 }
 .category-hero .cat-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 760px;
  line-height: 1.8;
  margin-bottom: 0;
 }
 /* ===== Article List ===== */
 .article-list-row {
  display: flex;
  gap: 24px;
  align-items: stretch;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  margin-bottom: 24px;
 }
 .article-list-row:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(74, 127, 191, 0.25);
 }
 .article-list-row .alr-img {
  width: 260px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
 }
 .article-list-row .alr-img img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: var(--transition);
 }
 .article-list-row:hover .alr-img img {
  transform: scale(1.03);
 }
 .article-list-row .alr-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4px 0 4px 4px;
 }
 .article-list-row .alr-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.45;
 }
 .article-list-row .alr-title a {
  color: var(--text-dark);
 }
 .article-list-row .alr-title a:hover {
  color: var(--primary);
 }
 .article-list-row .alr-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
 }
 .article-list-row .alr-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-light);
  flex-wrap: wrap;
 }
 .article-list-row .alr-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
 }
 .article-list-row .alr-meta .badge-tag {
  background: var(--accent-soft);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
 }
 .view-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 20px;
  border: 1px solid rgba(74, 127, 191, 0.3);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  background: var(--bg-white);
 }
 .view-more-link:hover {
  background: var(--bg-gray);
  color: var(--primary-dark);
  transform: translateY(-1px);
 }
 /* ===== Featured Topics ===== */
 .topic-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
 }
 .topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
 }
 .topic-card .topic-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(74, 127, 191, 0.09);
  border-radius: var(--radius-md);
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 16px;
 }
 .topic-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
 }
 .topic-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
 }
 /* ===== Editor's Picks ===== */
 .editor-pick {
  display: flex;
  gap: 18px;
  align-items: center;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
 }
 .editor-pick:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
 }
 .editor-pick .ep-rank {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
 }
 .editor-pick .ep-body h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
 }
 .editor-pick .ep-body p {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 0;
 }
 /* ===== Tag Cloud ===== */
 .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
 }
 .tag-cloud .tag-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
 }
 .tag-cloud .tag-item:hover {
  background: var(--accent-soft);
  color: var(--primary);
  border-color: rgba(74, 127, 191, 0.3);
  transform: translateY(-1px);
 }
 .tag-cloud .tag-item.hot {
  background: rgba(74, 127, 191, 0.08);
  color: var(--primary);
  border-color: rgba(74, 127, 191, 0.2);
  font-weight: 600;
 }
 /* ===== Monthly Watch ===== */
 .watch-list {
  list-style: none;
  padding: 0;
  margin: 0;
 }
 .watch-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border-light);
 }
 .watch-list li:last-child {
  border-bottom: none;
 }
 .watch-list .watch-index {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
 }
 .watch-list .watch-info h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 2px;
 }
 .watch-list .watch-info p {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 0;
 }
 /* ===== Subscribe ===== */
 .subscribe-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
 }
 .subscribe-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
 }
 .subscribe-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
  max-width: 520px;
  line-height: 1.7;
 }
 .subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  flex-wrap: wrap;
 }
 .subscribe-form input {
  flex: 1;
  min-width: 200px;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 14px;
  transition: var(--transition);
 }
 .subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
 }
 .subscribe-form input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.6);
 }
 .subscribe-form button {
  padding: 10px 24px;
  background: #fff;
  color: var(--primary);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  white-space: nowrap;
 }
 .subscribe-form button:hover {
  background: var(--bg-gray);
  transform: translateY(-1px);
 }
 /* ===== Footer ===== */
 .site-footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 24px;
  font-size: 13px;
 }
 .site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
 }
 .site-footer .footer-brand .brand-logo {
  color: #fff;
  font-size: 18px;
  margin-bottom: 12px;
 }
 .site-footer .footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  line-height: 1.7;
  max-width: 300px;
 }
 .site-footer h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
 }
 .site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
 }
 .site-footer ul li {
  margin-bottom: 8px;
 }
 .site-footer ul a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  transition: var(--transition);
 }
 .site-footer ul a:hover {
  color: #fff;
 }
 .site-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
 }
 .site-footer .footer-links {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
 }
 .site-footer .footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
 }
 .site-footer .footer-links a:hover {
  color: #fff;
 }
 /* ===== Responsive ===== */
 @media (max-width: 1024px) {
  :root {
   --section-pad: 56px;
  }
  .article-list-row .alr-img {
   width: 200px;
  }
  .site-footer .footer-grid {
   grid-template-columns: 1fr 1fr;
  }
 }
 @media (max-width: 768px) {
  :root {
   --section-pad: 44px;
  }
  .category-hero {
   padding: 36px 0 28px;
  }
  .category-hero h1 {
   font-size: 24px;
  }
  .article-list-row {
   flex-direction: column;
  }
  .article-list-row .alr-img {
   width: 100%;
   height: 180px;
  }
  .article-list-row .alr-img img {
   height: 180px;
  }
  .article-list-row .alr-body {
   padding: 12px 0 0;
  }
  .subscribe-card {
   padding: 28px 24px;
  }
  .site-footer .footer-grid {
   grid-template-columns: 1fr;
   gap: 24px;
  }
  .site-footer .footer-bottom {
   flex-direction: column;
   align-items: flex-start;
  }
 }
 @media (max-width: 520px) {
  .header-cta {
   display: none;
  }
  .category-hero h1 {
   font-size: 22px;
  }
  .section-title {
   font-size: 22px;
  }
  .subscribe-form {
   flex-direction: column;
  }
  .subscribe-form button {
   width: 100%;
  }
 }

/* roulang page: category3 */
:root {
            --primary: #4A7FBF;
            --primary-dark: #2F5B8C;
            --primary-light: #6A9EC9;
            --accent: #5FA8C9;
            --accent-soft: #E8EDF2;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F7FA;
            --border-light: #ECF0F5;
            --text-dark: #1A2B3C;
            --text-muted: #5C6B7A;
            --text-light: #8A97A5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s ease;
            --section-pad: 72px;
            --footer-bg: #1F2A36;
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(74, 127, 191, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-gray);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(74, 127, 191, 0.09);
            border: 1px solid rgba(74, 127, 191, 0.18);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-dark);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(31, 42, 54, 0.6);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 380px;
            max-width: 90vw;
            height: 100vh;
            background: #fff;
            z-index: 2100;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            display: flex;
            flex-direction: column;
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
            overflow-y: auto;
        }
        .drawer-panel.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-close-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            background: #fff;
            cursor: pointer;
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .drawer-close-btn:hover {
            background: var(--bg-gray);
            color: var(--text-dark);
        }
        .drawer-nav {
            list-style: none;
            padding: 16px 0;
            margin: 0;
            flex: 1;
        }
        .drawer-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 24px;
            font-size: 18px;
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .drawer-nav li a:hover,
        .drawer-nav li a.active {
            background: rgba(74, 127, 191, 0.07);
            color: var(--primary);
        }
        .drawer-nav li a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 32px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }
        .drawer-nav li a i {
            width: 24px;
            text-align: center;
            font-size: 16px;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .drawer-nav li a.active i {
            color: var(--primary);
        }
        .drawer-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-footer .header-cta {
            width: 100%;
            justify-content: center;
            padding: 12px 24px;
            font-size: 15px;
        }
        .drawer-footer .drawer-social {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-top: 14px;
        }
        .drawer-footer .drawer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }
        .drawer-footer .drawer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(47, 91, 140, 0.3);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-outline-custom:hover {
            background: rgba(74, 127, 191, 0.06);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(74, 127, 191, 0.15);
        }

        /* ===== Category H1 Section ===== */
        .category-hero {
            padding-top: 52px;
            padding-bottom: 44px;
            background: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 100%);
            border-bottom: 1px solid var(--border-light);
        }
        .category-hero .breadcrumb-custom {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .category-hero .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .category-hero .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .category-hero .category-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        .category-hero .category-stats {
            display: flex;
            gap: 28px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .category-hero .category-stats span {
            font-size: 13px;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-hero .category-stats i {
            color: var(--primary-light);
            font-size: 14px;
        }

        /* ===== Article List Cards ===== */
        .article-list-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px;
            margin-bottom: 18px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .article-list-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d5e0eb;
            transform: translateY(-2px);
        }
        .article-list-card .card-img {
            width: 220px;
            min-width: 220px;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: var(--bg-gray);
            flex-shrink: 0;
        }
        .article-list-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .article-list-card:hover .card-img img {
            transform: scale(1.04);
        }
        .article-list-card .card-body-custom {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .article-list-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: var(--transition);
        }
        .article-list-card .card-title a {
            color: var(--text-dark);
        }
        .article-list-card .card-title a:hover {
            color: var(--primary);
        }
        .article-list-card .card-excerpt {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .article-list-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12.5px;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .article-list-card .card-meta .meta-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(74, 127, 191, 0.08);
            padding: 2px 10px;
            border-radius: 999px;
            border: 1px solid rgba(74, 127, 191, 0.15);
        }
        .article-list-card .card-meta i {
            font-size: 11px;
            color: var(--primary-light);
            margin-right: 4px;
        }
        .card-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
            align-self: flex-start;
        }
        .card-more-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== Featured Topic Cards ===== */
        .topic-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .topic-card:hover::before {
            opacity: 1;
        }
        .topic-card .topic-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(74, 127, 191, 0.1);
            border-radius: var(--radius-md);
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .topic-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .topic-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .topic-card .topic-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== Editor Picks ===== */
        .editor-pick-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .editor-pick-item:last-child {
            border-bottom: none;
        }
        .editor-pick-item:hover {
            padding-left: 6px;
        }
        .editor-pick-item .pick-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-soft);
            line-height: 1;
            width: 36px;
            text-align: center;
            flex-shrink: 0;
            user-select: none;
        }
        .editor-pick-item .pick-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            line-height: 1.45;
        }
        .editor-pick-item .pick-content h4 a {
            color: var(--text-dark);
        }
        .editor-pick-item .pick-content h4 a:hover {
            color: var(--primary);
        }
        .editor-pick-item .pick-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .editor-pick-item .pick-content .pick-meta {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
            display: flex;
            gap: 12px;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            background: #fff;
            border: 1px solid var(--border-light);
            padding: 7px 16px;
            border-radius: 999px;
            transition: var(--transition);
            cursor: pointer;
            font-weight: 500;
        }
        .tag-cloud .tag-item:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(74, 127, 191, 0.3);
            transform: translateY(-2px);
        }
        .tag-cloud .tag-item .tag-count {
            font-size: 11px;
            background: rgba(0, 0, 0, 0.05);
            border-radius: 999px;
            padding: 1px 8px;
            font-weight: 600;
        }
        .tag-cloud .tag-item:hover .tag-count {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ===== Player Comments ===== */
        .comment-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .comment-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .comment-card .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
            font-style: italic;
        }
        .comment-card .comment-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-card .comment-author .avatar-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 50%;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .comment-card .comment-author .author-info h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 1px;
        }
        .comment-card .comment-author .author-info span {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ===== Subscribe Section ===== */
        .subscribe-card {
            background: linear-gradient(135deg, #F5F7FA 0%, #E8EDF2 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .subscribe-card .subscribe-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .subscribe-card .subscribe-text p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .subscribe-card .subscribe-form {
            display: flex;
            gap: 10px;
            min-width: 280px;
            flex: 1;
            max-width: 420px;
        }
        .subscribe-card .subscribe-form input {
            flex: 1;
            padding: 11px 18px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: #fff;
            color: var(--text-dark);
            transition: var(--transition);
            min-width: 0;
        }
        .subscribe-card .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 127, 191, 0.12);
            outline: none;
        }
        .subscribe-card .subscribe-form input::placeholder {
            color: var(--text-light);
        }

        /* ===== Tools Cards ===== */
        .tool-mini-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .tool-mini-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .tool-mini-card .tool-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: rgba(74, 127, 191, 0.1);
            border-radius: 14px;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .tool-mini-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .tool-mini-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: #C5D0DA;
            padding-top: 56px;
            padding-bottom: 24px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand .brand-logo {
            color: #fff;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-logo:hover {
            color: #fff;
        }
        .site-footer .footer-brand p {
            font-size: 13px;
            color: #9AAAB8;
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 300px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            font-size: 13.5px;
            color: #9AAAB8;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-col ul li a i {
            font-size: 11px;
            color: var(--primary-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: #7A8B99;
        }
        .site-footer .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .site-footer .footer-bottom .footer-links a {
            color: #9AAAB8;
            font-size: 12.5px;
            transition: var(--transition);
        }
        .site-footer .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .subscribe-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-card .subscribe-form {
                width: 100%;
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header .header-cta {
                display: none;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .article-list-card {
                flex-direction: column;
                gap: 14px;
                padding: 14px;
            }
            .article-list-card .card-img {
                width: 100%;
                min-width: 100%;
                aspect-ratio: 16/9;
            }
            .article-list-card .card-title {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .drawer-panel {
                width: 320px;
                max-width: 88vw;
            }
            .drawer-nav li a {
                font-size: 16px;
                padding: 12px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand {
                grid-column: auto;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-card {
                padding: 22px 18px;
            }
            .subscribe-card .subscribe-form {
                flex-direction: column;
            }
            .tag-cloud .tag-item {
                font-size: 12px;
                padding: 5px 12px;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding-top: 32px;
                padding-bottom: 28px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .category-stats {
                gap: 14px;
                font-size: 12px;
            }
            .article-list-card .card-meta {
                gap: 8px;
                font-size: 11.5px;
            }
            .topic-card {
                padding: 18px;
            }
            .comment-card {
                padding: 18px;
            }
            .tool-mini-card {
                padding: 16px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #4A7FBF;
            --primary-dark: #2F5B8C;
            --primary-light: #6A9EC9;
            --accent: #5FA8C9;
            --accent-soft: #E8EDF2;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F7FA;
            --border-light: #ECF0F5;
            --text-dark: #1A2B3C;
            --text-muted: #5C6B7A;
            --text-light: #8A97A5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s ease;
            --section-pad: 52px;
            --footer-bg: #1F2A36;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(74, 127, 191, 0.4);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-gray);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(74, 127, 191, 0.09);
            border: 1px solid rgba(74, 127, 191, 0.18);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-dark);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.25);
        }
        /* ===== Drawer ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(31, 42, 54, 0.6);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: -360px;
            width: 360px;
            max-width: 100vw;
            height: 100vh;
            background: #fff;
            z-index: 2100;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
            overflow-y: auto;
        }
        .drawer-panel.active {
            right: 0;
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-close {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--text-dark);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }
        .drawer-close:hover {
            background: var(--bg-gray);
            border-color: #d8dfe6;
        }
        .drawer-nav {
            padding: 20px 24px;
            flex: 1;
        }
        .drawer-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .drawer-nav li {
            margin-bottom: 4px;
        }
        .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            border-radius: var(--radius-md);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .drawer-nav a:hover {
            background: var(--bg-gray);
            border-left-color: var(--primary);
            color: var(--text-dark);
        }
        .drawer-nav a.active {
            background: rgba(74, 127, 191, 0.08);
            border-left-color: var(--primary);
            color: var(--primary-dark);
        }
        .drawer-nav a i {
            width: 22px;
            text-align: center;
            color: var(--primary);
            font-size: 16px;
        }
        .drawer-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-footer .header-cta {
            width: 100%;
            justify-content: center;
            font-size: 15px;
            padding: 14px 24px;
        }
        .drawer-footer p {
            font-size: 13px;
            color: var(--text-light);
            text-align: center;
            margin: 12px 0 0;
        }
        /* ===== Page Header (分类页首屏) ===== */
        .page-header {
            background: linear-gradient(135deg, var(--bg-gray) 0%, #EDF1F6 100%);
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .page-header::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(95, 168, 201, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header .breadcrumb {
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--text-light);
            background: transparent;
            padding: 0;
        }
        .page-header .breadcrumb a {
            color: var(--text-muted);
        }
        .page-header .breadcrumb a:hover {
            color: var(--primary);
        }
        .page-header .breadcrumb .separator {
            margin: 0 8px;
            color: #c5cdd6;
        }
        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .page-header .lead {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .page-header .header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 18px;
            font-size: 13px;
            color: var(--text-light);
        }
        .page-header .header-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .page-header .header-meta i {
            color: var(--primary);
        }
        /* ===== 板块通用卡片 ===== */
        .card-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dde5ed;
        }
        .card-item .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            background-color: var(--bg-gray);
            position: relative;
        }
        .card-item .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-item:hover .card-img img {
            transform: scale(1.04);
        }
        .card-item .card-body {
            padding: 20px 22px 22px;
        }
        .card-item .card-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(74, 127, 191, 0.09);
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
        }
        .card-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
            letter-spacing: 0.2px;
        }
        .card-item h3 a {
            color: var(--text-dark);
        }
        .card-item h3 a:hover {
            color: var(--primary);
        }
        .card-item p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-item .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-light);
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }
        .card-item .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .card-item .card-meta i {
            font-size: 12px;
        }
        /* ===== 讨论热点卡片 ===== */
        .topic-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: var(--transition);
            height: 100%;
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #dde5ed;
            transform: translateY(-2px);
        }
        .topic-card .topic-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(74, 127, 191, 0.1);
            border-radius: var(--radius-md);
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 14px;
        }
        .topic-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .topic-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .topic-card .topic-count {
            font-size: 12px;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topic-card .topic-count i {
            color: var(--accent);
        }
        /* ===== 玩家热评卡片 ===== */
        .review-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .review-card .review-avatar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
            border-radius: 50%;
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .review-card .review-text {
            font-size: 14px;
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 14px;
            position: relative;
            padding-left: 12px;
            border-left: 3px solid rgba(74, 127, 191, 0.25);
        }
        .review-card .review-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-card .review-author span {
            font-weight: 400;
            color: var(--text-light);
        }
        /* ===== 数据速览 ===== */
        .stat-block {
            text-align: center;
            padding: 24px 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            transition: var(--transition);
            height: 100%;
        }
        .stat-block:hover {
            box-shadow: var(--shadow-sm);
            border-color: #dde5ed;
        }
        .stat-block .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-block .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            cursor: pointer;
            font-weight: 500;
        }
        .tag-cloud .tag-item:hover {
            background: rgba(74, 127, 191, 0.07);
            border-color: rgba(74, 127, 191, 0.35);
            color: var(--primary);
        }
        .tag-cloud .tag-item i {
            font-size: 11px;
            color: var(--accent);
        }
        /* ===== 工具卡片 ===== */
        .tool-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
            text-align: left;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tool-card .tool-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: rgba(95, 168, 201, 0.12);
            border-radius: var(--radius-md);
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .tool-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .tool-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .btn-outline-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(74, 127, 191, 0.25);
        }
        /* ===== 订阅表单 ===== */
        .subscribe-box {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
        }
        .subscribe-box h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .subscribe-box p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-dark);
            background: var(--bg-gray);
            transition: var(--transition);
            outline: none;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(74, 127, 191, 0.12);
        }
        .subscribe-form button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 91, 140, 0.3);
        }
        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--footer-bg);
            color: #c5cdd6;
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 20px;
        }
        .footer-brand .brand-logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: #aab5c0;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: #aab5c0;
            font-size: 13.5px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col a:hover {
            color: #fff;
            transform: translateX(2px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12.5px;
            color: #8a97a5;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #8a97a5;
            font-size: 12.5px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-links span {
            color: #4a5560;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 40px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .section-title {
                font-size: 22px;
            }
            .page-header {
                padding: 40px 0 36px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .lead {
                font-size: 14px;
            }
            .drawer-panel {
                width: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form button {
                width: 100%;
                justify-content: center;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .card-item .card-body {
                padding: 16px 16px 18px;
            }
            .card-item h3 {
                font-size: 15px;
            }
            .stat-block .stat-number {
                font-size: 26px;
            }
            .review-card {
                padding: 18px;
            }
            .topic-card {
                padding: 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .header-cta {
                padding: 7px 13px;
                font-size: 12px;
                gap: 5px;
            }
            .hamburger-btn {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            .brand-logo {
                font-size: 17px;
                gap: 8px;
            }
            .brand-logo .logo-badge {
                width: 30px;
                height: 30px;
                font-size: 14px;
                border-radius: 8px;
            }
            .drawer-panel {
                width: 100vw;
                max-width: 100vw;
            }
            .drawer-nav a {
                font-size: 16px;
                padding: 12px 14px;
            }
            .tag-cloud .tag-item {
                font-size: 12px;
                padding: 6px 13px;
            }
            .card-item .card-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .topic-card h3 {
                font-size: 15px;
            }
            .review-card .review-text {
                font-size: 13px;
            }
            .subscribe-box {
                padding: 24px 18px;
            }
            .subscribe-box h3 {
                font-size: 18px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}