/* roulang page: index */
:root {
            --brand-primary: #FF4D2E;
            --brand-primary-hover: #FF6A4A;
            --brand-dark: #15161A;
            --brand-dark-card: #1F2128;
            --brand-bg: #F6F5F3;
            --brand-gray: #4A5260;
            --brand-gray-light: #8A93A3;
            --brand-green: #00D68F;
            --brand-amber: #F0A93B;
            --brand-white: #FFFFFF;
            --brand-border: #E8E6E3;
            --brand-radius-sm: 6px;
            --brand-radius-md: 8px;
            --brand-radius-lg: 12px;
            --brand-shadow: 0 2px 8px rgba(21, 22, 26, 0.06);
            --brand-shadow-hover: 0 8px 24px rgba(21, 22, 26, 0.10);
            --brand-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.3);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-spacing-desktop: 96px;
            --section-spacing-mobile: 56px;
            --container-max: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-dark);
            background-color: var(--brand-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--brand-primary-hover);
            text-decoration: none;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus,
        a:focus,
        input:focus {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }
        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container-main {
                padding: 0 16px;
            }
        }
        section {
            padding: var(--section-spacing-desktop) 0;
        }
        @media (max-width: 1024px) {
            section {
                padding: 64px 0;
            }
        }
        @media (max-width: 640px) {
            section {
                padding: var(--section-spacing-mobile) 0;
            }
        }
        .section-alt {
            background-color: var(--brand-white);
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        @media (max-width: 640px) {
            .section-heading h2 {
                font-size: 22px;
            }
        }
        .section-heading p {
            font-size: 15px;
            color: var(--brand-gray);
            max-width: 680px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--brand-radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            min-height: 44px;
            text-align: center;
        }
        .btn i {
            margin-right: 8px;
        }
        .btn-primary {
            background-color: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .btn-primary:hover {
            background-color: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--brand-dark);
            border-color: var(--brand-border);
        }
        .btn-secondary:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-dark-amber {
            background-color: var(--brand-amber);
            color: var(--brand-dark);
            border-color: var(--brand-amber);
        }
        .btn-dark-amber:hover {
            background-color: #f5b85e;
            border-color: #f5b85e;
            color: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(240, 169, 59, 0.4);
        }
        .btn-white-outline {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-white-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 36px;
        }
        .btn-block {
            display: flex;
            width: 100%;
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.03em;
        }
        .tag-primary {
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--brand-primary);
        }
        .tag-green {
            background-color: rgba(0, 214, 143, 0.12);
            color: #00b377;
        }
        .tag-amber {
            background-color: rgba(240, 169, 59, 0.15);
            color: #d08a1f;
        }
        .tag-dark {
            background-color: rgba(21, 22, 26, 0.06);
            color: var(--brand-gray);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .badge-live {
            background-color: var(--brand-green);
            color: #fff;
        }
        .badge-upcoming {
            background-color: var(--brand-amber);
            color: var(--brand-dark);
        }
        .badge-new {
            background-color: var(--brand-primary);
            color: #fff;
        }
        .card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            transition: all 0.25s ease;
        }
        .card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }
        .card-body {
            padding: 24px 22px;
        }
        .card-dark {
            background: var(--brand-dark-card);
            border-color: rgba(255, 255, 255, 0.08);
            box-shadow: var(--brand-shadow-dark);
        }
        .card-dark:hover {
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
        }
        hr.divider {
            border: none;
            height: 1px;
            background: var(--brand-border);
            margin: 24px 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        @media (max-width: 640px) {
            html {
                font-size: 15px;
            }
            body {
                font-size: 14px;
            }
        }

        /* Header / Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--brand-border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .site-header .container-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-weight: 800;
            font-size: 20px;
            color: var(--brand-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--brand-primary), #ff7a5c);
            border-radius: var(--brand-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--brand-dark);
        }
        .logo span {
            color: var(--brand-primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-desktop a {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-gray);
            border-radius: var(--brand-radius-sm);
            transition: all 0.2s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--brand-primary);
            background-color: rgba(255, 77, 46, 0.06);
        }
        .nav-desktop a.active {
            color: var(--brand-primary);
            background-color: rgba(255, 77, 46, 0.08);
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search input {
            width: 180px;
            height: 38px;
            padding: 0 16px;
            border-radius: 20px;
            border: none;
            background: var(--brand-bg);
            font-size: 13px;
            transition: all 0.2s ease;
        }
        .nav-search input:focus {
            outline: none;
            background: #fff;
            border: 1px solid var(--brand-border);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.1);
        }
        .nav-search .btn {
            height: 38px;
            padding: 0 18px;
            border-radius: 20px;
            font-size: 13px;
            min-height: 38px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--brand-dark);
            padding: 8px;
            min-width: 44px;
            min-height: 44px;
            border-radius: var(--brand-radius-sm);
        }
        .nav-mobile {
            display: none;
            background: #fff;
            border-top: 1px solid var(--brand-border);
            padding: 16px 20px;
            flex-direction: column;
            gap: 4px;
        }
        .nav-mobile a {
            padding: 12px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-gray);
            border-bottom: 1px solid var(--brand-bg);
            transition: color 0.2s;
        }
        .nav-mobile a:hover {
            color: var(--brand-primary);
        }
        .nav-mobile .nav-mobile-search {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .nav-mobile .nav-mobile-search input {
            flex: 1;
            height: 42px;
            border-radius: 21px;
            border: 1px solid var(--brand-border);
            padding: 0 16px;
            font-size: 14px;
            background: var(--brand-bg);
        }
        .nav-mobile .nav-mobile-search .btn {
            height: 42px;
            min-height: 42px;
            padding: 0 18px;
            border-radius: 21px;
        }
        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile.open {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .site-header .container-main {
                height: 58px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
        }

        /* Hero - API/Developer style */
        .hero {
            background: var(--brand-dark);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/2f83d27237698c01.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(21, 22, 26, 0.7) 0%, rgba(21, 22, 26, 0.9) 100%);
            z-index: 1;
        }
        .hero .container-main {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-content h1 span {
            color: var(--brand-primary);
        }
        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .stat-number {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-green);
            line-height: 1.3;
        }
        .hero-stat .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.04em;
        }
        .hero-code-block {
            background: var(--brand-dark-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--brand-radius-lg);
            padding: 22px 24px;
            font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
            font-size: 12.5px;
            line-height: 1.7;
            color: #d4d4d8;
            box-shadow: var(--brand-shadow-dark);
            position: relative;
        }
        .hero-code-block .code-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-family: var(--font-stack);
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-code-block .code-dots {
            display: flex;
            gap: 6px;
        }
        .hero-code-block .code-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .hero-code-block .code-dots span:nth-child(1) {
            background: #ff5f57;
        }
        .hero-code-block .code-dots span:nth-child(2) {
            background: #febc2e;
        }
        .hero-code-block .code-dots span:nth-child(3) {
            background: #28c840;
        }
        .hero-code-block pre {
            margin: 0;
            white-space: pre-wrap;
            word-break: break-word;
            color: #e4e4e7;
        }
        .hero-code-block .code-keyword {
            color: #ff7a5c;
        }
        .hero-code-block .code-string {
            color: #00d68f;
        }
        .hero-code-block .code-comment {
            color: #6b7280;
        }
        .hero-code-block .code-number {
            color: #f0a93b;
        }
        @media (max-width: 1024px) {
            .hero .container-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                padding: 60px 0;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 640px) {
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-code-block {
                padding: 16px 14px;
                font-size: 11px;
            }
            .hero-stat .stat-number {
                font-size: 18px;
            }
        }

        /* Section 2: Category entry cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
            transition: all 0.3s ease;
            display: block;
            text-decoration: none;
            color: inherit;
        }
        .category-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            color: inherit;
        }
        .category-card .category-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #e8e8e5;
        }
        .category-card .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .category-card:hover .category-img img {
            transform: scale(1.03);
        }
        .category-card .category-body {
            padding: 20px 18px;
        }
        .category-card .category-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 6px;
            transition: color 0.2s;
        }
        .category-card:hover .category-body h3 {
            color: var(--brand-primary);
        }
        .category-card .category-body p {
            font-size: 13px;
            color: var(--brand-gray-light);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 640px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Section 3: Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 28px 24px;
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--brand-radius-sm);
            background: rgba(255, 77, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 20px;
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.75;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Section 4: Scenario cards horizontal scroll */
        .scenario-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .scenario-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .scenario-scroll::-webkit-scrollbar-track {
            background: var(--brand-bg);
            border-radius: 3px;
        }
        .scenario-scroll::-webkit-scrollbar-thumb {
            background: var(--brand-border);
            border-radius: 3px;
        }
        .scenario-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e8e8e5;
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.04);
        }
        .scenario-card .scenario-body {
            padding: 18px 16px;
        }
        .scenario-card .scenario-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }
        .scenario-card .scenario-body p {
            font-size: 13px;
            color: var(--brand-gray);
            line-height: 1.65;
            margin: 0;
        }

        /* Section 5: Data demo two-column */
        .demo-split {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }
        .demo-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 14px;
        }
        .demo-text p {
            font-size: 15px;
            color: var(--brand-gray);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .demo-panel {
            background: var(--brand-dark);
            border-radius: var(--brand-radius-lg);
            padding: 24px 22px;
            color: #fff;
            box-shadow: var(--brand-shadow-dark);
        }
        .demo-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
        }
        .demo-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
        }
        .demo-row:last-child {
            border-bottom: none;
        }
        .demo-row .team-name {
            font-weight: 600;
            color: #fff;
        }
        .demo-row .team-score {
            font-weight: 700;
            color: var(--brand-green);
            font-size: 16px;
        }
        .demo-row .status-live {
            color: var(--brand-green);
            font-size: 12px;
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .demo-split {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* Section 6: Brand intro left text right image */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro .intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 16px;
        }
        .brand-intro .intro-text p {
            font-size: 15px;
            color: var(--brand-gray);
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .brand-intro .intro-img {
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
        }
        .brand-intro .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        @media (max-width: 1024px) {
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Section 7: Stats bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 28px 18px;
            transition: all 0.3s ease;
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--brand-shadow-hover);
        }
        .stat-item .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-desc {
            font-size: 13px;
            color: var(--brand-gray);
            letter-spacing: 0.03em;
        }
        @media (max-width: 1024px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 640px) {
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-item .stat-num {
                font-size: 26px;
            }
        }

        /* Section 8: Case cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 26px 22px;
            transition: all 0.3s ease;
            position: relative;
            border-top: 3px solid var(--brand-primary);
        }
        .case-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .case-card .case-type {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            background: rgba(255, 77, 46, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .case-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }
        .case-card p {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 640px) {
            .case-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Section 9: Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 32px 26px;
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-5px);
        }
        .pricing-card.featured {
            border-color: var(--brand-primary);
            border-width: 2px;
            box-shadow: 0 4px 20px rgba(255, 77, 46, 0.18);
        }
        .pricing-card .plan-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--brand-primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }
        .pricing-card .plan-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }
        .pricing-card .plan-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .pricing-card .plan-price .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-gray-light);
        }
        .pricing-card .plan-desc {
            font-size: 13px;
            color: var(--brand-gray-light);
            margin-bottom: 20px;
        }
        .pricing-card .plan-features {
            list-style: none;
            margin-bottom: 24px;
            flex: 1;
        }
        .pricing-card .plan-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--brand-gray);
            border-bottom: 1px solid var(--brand-bg);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card .plan-features li i {
            color: var(--brand-green);
            font-size: 13px;
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                max-width: 420px;
                margin: 0 auto;
            }
        }

        /* Section 10: Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 24px 20px;
            transition: all 0.3s ease;
        }
        .testimonial-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }
        .testimonial-stars {
            color: var(--brand-amber);
            font-size: 14px;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 77, 46, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .testimonial-author .author-info .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-dark);
        }
        .testimonial-author .author-info .role {
            font-size: 12px;
            color: var(--brand-gray-light);
        }
        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 640px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Section 11: Media quotes */
        .media-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .media-quote {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 20px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all 0.3s ease;
        }
        .media-quote:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateX(4px);
        }
        .media-quote .quote-mark {
            font-size: 28px;
            color: var(--brand-primary);
            line-height: 1;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .media-quote .quote-body p {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.75;
            margin-bottom: 6px;
        }
        .media-quote .quote-body .source {
            font-size: 12px;
            color: var(--brand-gray-light);
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        /* Section 12: Schedule timeline */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .schedule-item {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: all 0.25s ease;
            flex-wrap: wrap;
        }
        .schedule-item:hover {
            box-shadow: var(--brand-shadow-hover);
            border-color: #d0cdc8;
        }
        .schedule-item .schedule-date {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-dark);
            white-space: nowrap;
            min-width: 90px;
        }
        .schedule-item .schedule-match {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
            flex: 1;
            min-width: 160px;
        }
        .schedule-item .schedule-match .vs {
            color: var(--brand-primary);
            font-weight: 700;
        }
        .schedule-item .schedule-status {
            white-space: nowrap;
        }
        @media (max-width: 640px) {
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .schedule-item .schedule-match {
                font-size: 14px;
            }
        }

        /* Section 13: News cards list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }
        .news-card .news-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e8e8e5;
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .news-card:hover .news-img img {
            transform: scale(1.04);
        }
        .news-card .news-body {
            padding: 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-meta {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 10px;
            font-size: 12px;
            color: var(--brand-gray-light);
        }
        .news-card .news-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card .news-body p {
            font-size: 13px;
            color: var(--brand-gray);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 640px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .news-more-link {
            text-align: center;
            margin-top: 24px;
        }

        /* Section 14: FAQ Accordion */
        .faq-section {
            background: var(--brand-white);
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.25s ease;
            box-shadow: 0 1px 4px rgba(21, 22, 26, 0.04);
        }
        .faq-item:hover {
            box-shadow: var(--brand-shadow);
        }
        .faq-item .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color 0.2s;
            min-height: 44px;
        }
        .faq-item .faq-question:hover {
            color: var(--brand-primary);
        }
        .faq-item .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--brand-gray-light);
            font-size: 14px;
        }
        .faq-item.active .faq-question .faq-toggle-icon {
            transform: rotate(180deg);
            color: var(--brand-primary);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-item .faq-answer p {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.8;
            margin: 0;
            padding-top: 4px;
            border-top: 1px solid var(--brand-bg);
        }

        /* Section 15: Final CTA */
        .cta-section {
            background: var(--brand-dark);
            color: #fff;
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/af39a989fc6cccc8.webp') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .cta-section .container-main {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }
        .cta-section .btn {
            font-size: 16px;
            padding: 14px 32px;
        }
        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 32px;
            font-size: 13px;
            line-height: 1.7;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 0.4fr 0.4fr 0.6fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--brand-primary);
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 12px;
        }
        .footer-subscribe .subscribe-form {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            height: 38px;
            padding: 0 14px;
            border-radius: 19px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 13px;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--brand-primary);
            background: rgba(255, 255, 255, 0.1);
        }
        .footer-subscribe .btn {
            height: 38px;
            min-height: 38px;
            padding: 0 18px;
            border-radius: 19px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: var(--brand-primary);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 1024px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-subscribe .subscribe-form {
                flex-direction: column;
                gap: 8px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        /* Section spacing helpers */
        .bg-white-section {
            background: var(--brand-white);
        }
        .bg-light-section {
            background: var(--brand-bg);
        }
        .bg-dark-section {
            background: var(--brand-dark);
            color: #fff;
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

/* roulang page: category2 */
:root {
            --brand-primary: #FF4D2E;
            --brand-primary-hover: #FF6A4A;
            --brand-dark: #15161A;
            --brand-dark-card: #1F2128;
            --brand-bg: #F6F5F3;
            --brand-gray: #4A5260;
            --brand-gray-light: #8A93A3;
            --brand-green: #00D68F;
            --brand-amber: #F0A93B;
            --brand-white: #FFFFFF;
            --brand-border: #E8E6E3;
            --brand-radius-sm: 6px;
            --brand-radius-md: 8px;
            --brand-radius-lg: 12px;
            --brand-shadow: 0 2px 8px rgba(21, 22, 26, 0.06);
            --brand-shadow-hover: 0 8px 24px rgba(21, 22, 26, 0.10);
            --brand-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.3);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-spacing-desktop: 96px;
            --section-spacing-mobile: 56px;
            --container-max: 1200px;
        }

        html {
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-dark);
            background-color: var(--brand-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

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

        * {
            box-sizing: border-box;
        }

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

        section {
            padding: var(--section-spacing-desktop) 0;
        }

        .section-alt {
            background-color: var(--brand-white);
        }

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

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--brand-gray);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--brand-radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            min-height: 44px;
            text-align: center;
        }

        .btn i {
            margin-right: 8px;
        }

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

        .btn-primary:hover {
            background-color: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--brand-dark);
            border-color: var(--brand-border);
        }

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

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-dark-amber {
            background-color: var(--brand-amber);
            color: var(--brand-dark);
            border-color: var(--brand-amber);
        }

        .btn-dark-amber:hover {
            background-color: #f5b85e;
            border-color: #f5b85e;
            color: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(240, 169, 59, 0.4);
        }

        .btn-white-outline {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-white-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 36px;
        }

        .btn-block {
            display: flex;
            width: 100%;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.03em;
        }

        .tag-primary {
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--brand-primary);
        }

        .tag-green {
            background-color: rgba(0, 214, 143, 0.12);
            color: #00b377;
        }

        .tag-amber {
            background-color: rgba(240, 169, 59, 0.15);
            color: #d08a1f;
        }

        .tag-gray {
            background-color: rgba(74, 82, 96, 0.1);
            color: var(--brand-gray);
        }

        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--brand-border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            font-size: 16px;
            flex-shrink: 0;
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-gray);
            transition: color 0.2s ease;
            white-space: nowrap;
        }

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

        .nav-desktop a.active {
            color: var(--brand-primary);
            font-weight: 700;
            position: relative;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 1px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-search input {
            width: 180px;
            padding: 8px 16px;
            border-radius: 20px;
            background: #f5f4f2;
            border: 1px solid var(--brand-border);
            font-size: 13px;
            transition: all 0.2s ease;
            min-height: 36px;
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--brand-primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.1);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-dark);
            padding: 8px;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile {
            display: none;
            background: #fff;
            border-top: 1px solid var(--brand-border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 12px;
        }

        .nav-mobile a {
            font-size: 16px;
            font-weight: 500;
            color: var(--brand-gray);
            padding: 8px 0;
            display: block;
            border-bottom: 1px solid #f5f4f2;
        }

        .nav-mobile a.active {
            color: var(--brand-primary);
            font-weight: 700;
        }

        .nav-mobile-search {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding-top: 10px;
        }

        .nav-mobile-search input {
            width: 100%;
            padding: 10px 16px;
            border-radius: 20px;
            border: 1px solid var(--brand-border);
            font-size: 14px;
            min-height: 44px;
            background: #f5f4f2;
        }

        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 12px 0 0;
            max-width: 280px;
            color: var(--brand-gray-light);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .footer-logo .logo-icon {
            background: var(--brand-primary);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }

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

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

        .footer-col ul li a {
            color: var(--brand-gray-light);
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-subscribe p {
            font-size: 14px;
            color: var(--brand-gray-light);
            margin: 0 0 12px;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border-radius: var(--brand-radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 13px;
            min-height: 44px;
        }

        .subscribe-form input::placeholder {
            color: var(--brand-gray-light);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 12px;
            color: var(--brand-gray-light);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

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

        .footer-links a {
            color: var(--brand-gray-light);
            font-size: 12px;
        }

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

        .page-header {
            background: var(--brand-white);
            border-bottom: 1px solid var(--brand-border);
            padding: 32px 0;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--brand-gray-light);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--brand-gray);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--brand-border);
        }

        .breadcrumb .current {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .page-header h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--brand-dark);
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .page-header .page-intro {
            font-size: 15px;
            color: var(--brand-gray);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 32px;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-gray);
            margin-right: 6px;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 24px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-gray);
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            cursor: pointer;
            transition: all 0.2s ease;
            min-height: 36px;
            white-space: nowrap;
        }

        .filter-pill:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        .filter-pill.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

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

        .article-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all 0.3s ease;
        }

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

        .article-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .article-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .article-card:hover .card-image img {
            transform: scale(1.03);
        }

        .article-card .card-body {
            padding: 16px 20px 20px;
        }

        .article-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-dark);
            line-height: 1.45;
            margin: 0 0 8px;
        }

        .article-card .card-title a {
            color: var(--brand-dark);
        }

        .article-card .card-title a:hover {
            color: var(--brand-primary);
        }

        .article-card .card-summary {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.7;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 14px;
            font-size: 12px;
            color: var(--brand-gray-light);
            align-items: center;
        }

        .article-card .card-meta .tag {
            margin-left: auto;
        }

        .hot-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 4px 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-border) transparent;
        }

        .hot-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .hot-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .hot-scroll::-webkit-scrollbar-thumb {
            background: var(--brand-border);
            border-radius: 3px;
        }

        .hot-card {
            min-width: 260px;
            max-width: 280px;
            scroll-snap-align: start;
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

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

        .hot-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .hot-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .hot-card:hover .card-image img {
            transform: scale(1.03);
        }

        .hot-card .card-body {
            padding: 14px 16px;
        }

        .hot-card .card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
            line-height: 1.45;
            margin: 0 0 6px;
        }

        .hot-card .card-title a {
            color: var(--brand-dark);
        }

        .hot-card .card-title a:hover {
            color: var(--brand-primary);
        }

        .hot-card .card-meta {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            padding: 14px 18px;
            box-shadow: var(--brand-shadow);
            transition: all 0.2s ease;
        }

        .ranking-item:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-1px);
        }

        .ranking-item .rank-number {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .ranking-item:nth-child(1) .rank-number {
            background: rgba(255, 77, 46, 0.12);
            color: var(--brand-primary);
        }

        .ranking-item:nth-child(2) .rank-number {
            background: rgba(240, 169, 59, 0.15);
            color: #d08a1f;
        }

        .ranking-item:nth-child(3) .rank-number {
            background: rgba(0, 214, 143, 0.12);
            color: #00b377;
        }

        .ranking-item:nth-child(n+4) .rank-number {
            background: rgba(74, 82, 96, 0.08);
            color: var(--brand-gray);
        }

        .ranking-item .team-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-item .team-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
        }

        .ranking-item .team-status {
            font-size: 12px;
            color: var(--brand-gray-light);
            margin-top: 2px;
        }

        .ranking-item .team-stat {
            text-align: right;
            flex-shrink: 0;
        }

        .ranking-item .stat-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--brand-dark);
        }

        .ranking-item .stat-label {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        .read-more-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .read-more-card {
            display: flex;
            gap: 16px;
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            padding: 16px;
            box-shadow: var(--brand-shadow);
            transition: all 0.2s ease;
            align-items: center;
        }

        .read-more-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-1px);
        }

        .read-more-card .rm-image {
            width: 100px;
            height: 70px;
            border-radius: var(--brand-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .read-more-card .rm-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .read-more-card .rm-body {
            flex: 1;
            min-width: 0;
        }

        .read-more-card .rm-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-dark);
            line-height: 1.5;
            margin: 0 0 4px;
        }

        .read-more-card .rm-title a {
            color: var(--brand-dark);
        }

        .read-more-card .rm-title a:hover {
            color: var(--brand-primary);
        }

        .read-more-card .rm-meta {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        .subscribe-cta {
            background: var(--brand-dark);
            border-radius: var(--brand-radius-lg);
            padding: 40px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
        }

        .subscribe-cta .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }

        .subscribe-cta .cta-text p {
            font-size: 14px;
            color: var(--brand-gray-light);
            margin: 0;
        }

        .subscribe-cta .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 280px;
            flex: 1;
            max-width: 420px;
        }

        .subscribe-cta .cta-form input {
            flex: 1;
            min-width: 160px;
            padding: 10px 16px;
            border-radius: var(--brand-radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 14px;
            min-height: 44px;
        }

        .subscribe-cta .cta-form input::placeholder {
            color: var(--brand-gray-light);
        }

        .subscribe-cta .cta-form input:focus {
            outline: none;
            border-color: var(--brand-primary);
        }

        .pagination-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .pagination-nav a,
        .pagination-nav span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            min-height: 40px;
            padding: 0 12px;
            border-radius: var(--brand-radius-sm);
            font-size: 14px;
            font-weight: 500;
            background: var(--brand-white);
            color: var(--brand-gray);
            border: 1px solid var(--brand-border);
            transition: all 0.2s ease;
        }

        .pagination-nav a:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        .pagination-nav .current {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            font-weight: 700;
        }

        .pagination-nav .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        .view-more-wrap {
            text-align: center;
            margin: 20px 0 0;
        }

        @media screen and (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
            }
            .footer-col.footer-subscribe {
                grid-column: span 3;
            }
        }

        @media screen and (max-width: 768px) {
            section {
                padding: 56px 0;
            }
            .container-main {
                padding: 0 16px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-mobile.show {
                display: flex;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .read-more-grid {
                grid-template-columns: 1fr;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .ranking-item .team-stat {
                text-align: left;
                width: 100%;
                padding-left: 52px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col.footer-subscribe {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .subscribe-cta {
                flex-direction: column;
                align-items: stretch;
                padding: 28px 20px;
            }
            .subscribe-cta .cta-form {
                max-width: none;
            }
            .hot-card {
                min-width: 220px;
                max-width: 240px;
            }
        }

        @media screen and (max-width: 520px) {
            .page-header {
                padding: 24px 0;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-pill {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }
            .article-card .card-body {
                padding: 12px 16px 16px;
            }
            .article-card .card-title {
                font-size: 15px;
            }
            .hot-card {
                min-width: 180px;
                max-width: 200px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #FF4D2E;
            --brand-primary-hover: #FF6A4A;
            --brand-dark: #15161A;
            --brand-dark-card: #1F2128;
            --brand-bg: #F6F5F3;
            --brand-gray: #4A5260;
            --brand-gray-light: #8A93A3;
            --brand-green: #00D68F;
            --brand-amber: #F0A93B;
            --brand-white: #FFFFFF;
            --brand-border: #E8E6E3;
            --brand-radius-sm: 6px;
            --brand-radius-md: 8px;
            --brand-radius-lg: 12px;
            --brand-shadow: 0 2px 8px rgba(21, 22, 26, 0.06);
            --brand-shadow-hover: 0 8px 24px rgba(21, 22, 26, 0.10);
            --brand-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.3);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-spacing-desktop: 96px;
            --section-spacing-mobile: 56px;
            --container-max: 1200px;
        }

        html {
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-dark);
            background-color: var(--brand-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

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

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

        section {
            padding: var(--section-spacing-desktop) 0;
        }

        .section-alt {
            background-color: var(--brand-white);
        }

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

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--brand-gray);
            max-width: 680px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--brand-radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            min-height: 44px;
            text-align: center;
        }

        .btn i {
            margin-right: 8px;
        }

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

        .btn-primary:hover {
            background-color: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--brand-dark);
            border-color: var(--brand-border);
        }

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

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 36px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.03em;
        }

        .tag-primary {
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--brand-primary);
        }

        .tag-green {
            background-color: rgba(0, 214, 143, 0.12);
            color: #00b377;
        }

        .tag-amber {
            background-color: rgba(240, 169, 59, 0.15);
            color: #d08a1f;
        }

        .tag-gray {
            background-color: rgba(74, 82, 96, 0.1);
            color: var(--brand-gray);
        }

        .site-header {
            background: var(--brand-white);
            border-bottom: 1px solid var(--brand-border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
        }

        .site-header .container-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-gray);
            padding: 6px 2px;
            position: relative;
            transition: color 0.2s ease;
        }

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

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

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search input {
            width: 190px;
            padding: 8px 16px;
            border-radius: 20px;
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            font-size: 13px;
            transition: all 0.2s ease;
            min-height: 36px;
        }

        .nav-search input:focus {
            background: #fff;
            border-color: var(--brand-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.1);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-dark);
            padding: 8px;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }

        .nav-mobile {
            display: none;
            background: var(--brand-white);
            border-top: 1px solid var(--brand-border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 12px;
        }

        .nav-mobile a {
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-gray);
            padding: 10px 0;
            border-bottom: 1px solid var(--brand-border);
        }

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

        .nav-mobile-search {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }

        .nav-mobile-search input {
            width: 100%;
            padding: 10px 16px;
            border-radius: 20px;
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            font-size: 13px;
            min-height: 40px;
        }

        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }

        .site-footer .container-main {
            max-width: var(--container-max);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-logo .logo-icon {
            background: var(--brand-primary);
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: var(--brand-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease;
        }

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

        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 14px;
        }

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

        .subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--brand-radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            min-height: 40px;
        }

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

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-primary);
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
        }

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

        /* Category Page Specific Styles */
        .page-header {
            background: var(--brand-white);
            border-bottom: 1px solid var(--brand-border);
            padding: 32px 0 28px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--brand-gray-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--brand-gray);
        }

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

        .breadcrumb .separator {
            color: var(--brand-gray-light);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .page-header h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .page-header .page-desc {
            font-size: 15px;
            color: var(--brand-gray);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 4px 0;
        }

        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-gray);
            margin-right: 4px;
        }

        .filter-bar .filter-chip {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            color: var(--brand-gray);
            cursor: pointer;
            transition: all 0.2s ease;
            min-height: 34px;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
        }

        .filter-bar .filter-chip:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        .filter-bar .filter-chip.active {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #fff;
        }

        .article-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }

        .article-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--brand-bg);
            flex-shrink: 0;
        }

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

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

        .article-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--brand-gray-light);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .article-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--brand-dark);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .card-excerpt {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }

        .article-card .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .hot-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .hot-scroll::-webkit-scrollbar {
            height: 5px;
        }

        .hot-scroll::-webkit-scrollbar-track {
            background: var(--brand-bg);
            border-radius: 10px;
        }

        .hot-scroll::-webkit-scrollbar-thumb {
            background: var(--brand-gray-light);
            border-radius: 10px;
        }

        .hot-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all 0.3s ease;
        }

        .hot-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }

        .hot-card .hot-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

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

        .hot-card:hover .hot-img img {
            transform: scale(1.05);
        }

        .hot-card .hot-body {
            padding: 14px 16px 16px;
        }

        .hot-card .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-dark);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-card .hot-meta {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        .schedule-table-wrap {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
        }

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

        .schedule-table th,
        .schedule-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--brand-border);
        }

        .schedule-table th {
            background: var(--brand-bg);
            font-weight: 600;
            font-size: 13px;
            color: var(--brand-gray);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .schedule-table tr:hover td {
            background: rgba(255, 77, 46, 0.03);
        }

        .schedule-table .match-status {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .status-live {
            background: rgba(255, 77, 46, 0.1);
            color: var(--brand-primary);
        }

        .status-upcoming {
            background: rgba(240, 169, 59, 0.15);
            color: #d08a1f;
        }

        .status-finished {
            background: rgba(0, 214, 143, 0.12);
            color: #00b377;
        }

        .related-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all 0.3s ease;
            display: flex;
            gap: 12px;
            padding: 12px;
            align-items: center;
            height: 100%;
        }

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

        .related-card .related-img {
            width: 80px;
            height: 60px;
            border-radius: var(--brand-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .related-card .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-card .related-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-dark);
            line-height: 1.5;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .related-info .related-date {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        .subscribe-cta {
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-cta .cta-text h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }

        .subscribe-cta .cta-text p {
            font-size: 14px;
            color: var(--brand-gray);
            margin-bottom: 0;
        }

        .subscribe-cta .cta-form {
            display: flex;
            gap: 10px;
            flex: 1;
            max-width: 420px;
            min-width: 260px;
        }

        .subscribe-cta .cta-form input {
            flex: 1;
            padding: 10px 16px;
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            font-size: 14px;
            min-height: 44px;
            background: #fff;
            transition: border-color 0.2s ease;
        }

        .subscribe-cta .cta-form input:focus {
            border-color: var(--brand-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.1);
        }

        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            min-height: 40px;
            padding: 0 12px;
            border-radius: var(--brand-radius-sm);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--brand-border);
            background: var(--brand-white);
            color: var(--brand-gray);
            transition: all 0.2s ease;
        }

        .pagination .page-link:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

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

        .pagination .page-link.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .nav-desktop {
                gap: 18px;
            }

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

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }

            .container-main {
                padding: 0 16px;
            }

            .nav-desktop {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-mobile.open {
                display: flex;
            }

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

            .page-header {
                padding: 20px 0 18px;
            }

            .page-header h1 {
                font-size: 26px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

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

            .subscribe-cta {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-cta .cta-form {
                max-width: 100%;
                width: 100%;
            }

            .hot-card {
                flex: 0 0 240px;
            }

            .article-card .card-title {
                font-size: 16px;
            }

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

            .schedule-table th,
            .schedule-table td {
                padding: 10px 12px;
            }

            .schedule-table th:nth-child(4),
            .schedule-table td:nth-child(4) {
                display: none;
            }

            .related-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px;
            }

            .related-card .related-img {
                width: 100%;
                height: 120px;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 12px;
            }

            .page-header h1 {
                font-size: 22px;
            }

            .section-heading h2 {
                font-size: 19px;
            }

            .hot-card {
                flex: 0 0 200px;
            }

            .filter-bar .filter-label {
                width: 100%;
                margin-bottom: 4px;
            }

            .filter-bar .filter-chip {
                padding: 5px 12px;
                font-size: 12px;
                min-height: 30px;
            }

            .pagination .page-link {
                min-width: 34px;
                min-height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }

            .schedule-table th:nth-child(3),
            .schedule-table td:nth-child(3) {
                display: none;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
                min-height: 40px;
            }

            .btn-sm {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }
        }

/* roulang page: category3 */
:root {
        --brand-primary: #FF4D2E;
        --brand-primary-hover: #FF6A4A;
        --brand-dark: #15161A;
        --brand-dark-card: #1F2128;
        --brand-bg: #F6F5F3;
        --brand-gray: #4A5260;
        --brand-gray-light: #8A93A3;
        --brand-green: #00D68F;
        --brand-amber: #F0A93B;
        --brand-white: #FFFFFF;
        --brand-border: #E8E6E3;
        --brand-radius-sm: 6px;
        --brand-radius-md: 8px;
        --brand-radius-lg: 12px;
        --brand-shadow: 0 2px 8px rgba(21, 22, 26, 0.06);
        --brand-shadow-hover: 0 8px 24px rgba(21, 22, 26, 0.10);
        --brand-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.3);
        --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --section-spacing-desktop: 96px;
        --section-spacing-mobile: 56px;
        --container-max: 1200px;
    }

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

    html {
        font-size: 16px;
        -webkit-text-size-adjust: 100%;
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-stack);
        font-size: 15px;
        line-height: 1.75;
        color: var(--brand-dark);
        background-color: var(--brand-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
    }

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

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

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

    button,
    input {
        font-family: inherit;
        font-size: inherit;
    }

    button {
        cursor: pointer;
    }

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

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

    section {
        padding: var(--section-spacing-desktop) 0;
    }

    .section-alt {
        background-color: var(--brand-white);
    }

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

    .section-heading h2 {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--brand-dark);
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }

    .section-heading p {
        font-size: 15px;
        color: var(--brand-gray);
        max-width: 680px;
        line-height: 1.8;
        margin: 0;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        border-radius: var(--brand-radius-sm);
        font-weight: 600;
        font-size: 15px;
        line-height: 1.5;
        border: 2px solid transparent;
        transition: all 0.2s ease;
        min-height: 44px;
        text-align: center;
        cursor: pointer;
    }

    .btn i {
        margin-right: 8px;
    }

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

    .btn-primary:hover {
        background-color: var(--brand-primary-hover);
        border-color: var(--brand-primary-hover);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(255, 77, 46, 0.35);
    }

    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: none;
    }

    .btn-secondary {
        background-color: transparent;
        color: var(--brand-dark);
        border-color: var(--brand-border);
    }

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

    .btn-secondary:active {
        transform: translateY(1px);
    }

    .btn-sm {
        padding: 8px 16px;
        font-size: 13px;
        min-height: 36px;
    }

    .btn-block {
        display: flex;
        width: 100%;
    }

    .tag {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        line-height: 1.6;
        letter-spacing: 0.03em;
        white-space: nowrap;
    }

    .tag-primary {
        background-color: rgba(255, 77, 46, 0.1);
        color: var(--brand-primary);
    }

    .tag-green {
        background-color: rgba(0, 214, 143, 0.12);
        color: #00b377;
    }

    .tag-amber {
        background-color: rgba(240, 169, 59, 0.15);
        color: #d08a1f;
    }

    .tag-gray {
        background-color: rgba(74, 82, 96, 0.08);
        color: var(--brand-gray);
    }

    /* Header / Navigation */
    .site-header {
        background-color: #fff;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
        border-bottom: 1px solid var(--brand-border);
        position: sticky;
        top: 0;
        z-index: 1000;
        width: 100%;
    }

    .site-header .container-main {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        position: relative;
    }

    .logo {
        display: flex;
        align-items: center;
        font-size: 20px;
        font-weight: 700;
        color: var(--brand-dark);
        letter-spacing: 0.02em;
        flex-shrink: 0;
    }

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

    .logo-icon {
        width: 36px;
        height: 36px;
        background-color: var(--brand-primary);
        color: #fff;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--brand-radius-sm);
        margin-right: 10px;
        font-size: 18px;
        transition: transform 0.2s ease;
    }

    .logo:hover .logo-icon {
        transform: rotate(-8deg);
    }

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

    .nav-desktop {
        display: flex;
        align-items: center;
        gap: 28px;
        margin: 0 20px;
    }

    .nav-desktop a {
        font-size: 15px;
        font-weight: 500;
        color: var(--brand-gray);
        padding: 8px 0;
        position: relative;
        white-space: nowrap;
        transition: color 0.2s ease;
    }

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

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

    .nav-desktop a.active::after {
        content: "";
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 100%;
        height: 3px;
        background-color: var(--brand-primary);
        border-radius: 3px 3px 0 0;
    }

    .nav-search {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .nav-search input {
        border: none;
        background-color: var(--brand-bg);
        border-radius: 20px;
        padding: 10px 18px;
        font-size: 14px;
        color: var(--brand-dark);
        width: 200px;
        transition: all 0.2s ease;
        border: 1px solid transparent;
    }

    .nav-search input::placeholder {
        color: var(--brand-gray-light);
    }

    .nav-search input:focus {
        border-color: var(--brand-primary);
        background-color: #fff;
        outline: none;
        box-shadow: 0 0 0 2px rgba(255, 77, 46, 0.1);
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--brand-dark);
        padding: 8px;
        border-radius: 4px;
        transition: background-color 0.2s ease;
    }

    .nav-toggle:hover {
        background-color: var(--brand-bg);
    }

    .nav-mobile {
        display: none;
        background-color: #fff;
        border-top: 1px solid var(--brand-border);
        padding: 20px 0;
        flex-direction: column;
        gap: 8px;
        width: 100%;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    }

    .nav-mobile a {
        display: block;
        padding: 12px 24px;
        font-size: 16px;
        color: var(--brand-dark);
        border-radius: 6px;
        transition: background-color 0.2s ease;
    }

    .nav-mobile a:hover {
        background-color: var(--brand-bg);
        color: var(--brand-primary);
    }

    .nav-mobile a.active {
        color: var(--brand-primary);
        font-weight: 600;
        background-color: rgba(255, 77, 46, 0.05);
    }

    .nav-mobile-search {
        padding: 16px 24px 0;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .nav-mobile-search input {
        border: 1px solid var(--brand-border);
        background-color: var(--brand-bg);
        border-radius: 6px;
        padding: 10px 16px;
        font-size: 14px;
        width: 100%;
    }

    .nav-mobile-search .btn {
        width: 100%;
    }

    /* Page header (category compact) */
    .page-header {
        background-color: #fff;
        border-bottom: 1px solid var(--brand-border);
        padding: 32px 0 28px;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--brand-gray);
        margin-bottom: 12px;
        flex-wrap: wrap;
    }

    .breadcrumb a {
        color: var(--brand-gray);
        transition: color 0.2s ease;
    }

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

    .breadcrumb .separator {
        color: var(--brand-gray-light);
        user-select: none;
    }

    .breadcrumb .current {
        color: var(--brand-primary);
        font-weight: 600;
    }

    .page-header h1 {
        font-size: 34px;
        font-weight: 800;
        line-height: 1.3;
        color: var(--brand-dark);
        margin: 0 0 10px;
        letter-spacing: -0.01em;
    }

    .page-header .intro {
        font-size: 16px;
        color: var(--brand-gray);
        line-height: 1.8;
        max-width: 800px;
        margin: 0;
    }

    /* Filter bar */
    .filter-bar {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        padding: 16px 0 8px;
        border-bottom: 1px solid var(--brand-border);
        margin-bottom: 28px;
    }

    .filter-bar .filter-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--brand-gray);
        margin-right: 6px;
    }

    .filter-btn {
        display: inline-flex;
        align-items: center;
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 500;
        color: var(--brand-gray);
        background-color: #fff;
        border: 1px solid var(--brand-border);
        cursor: pointer;
        transition: all 0.2s ease;
        line-height: 1.4;
    }

    .filter-btn:hover {
        border-color: var(--brand-primary);
        color: var(--brand-primary);
    }

    .filter-btn.active {
        background-color: var(--brand-primary);
        color: #fff;
        border-color: var(--brand-primary);
    }

    /* Article card list */
    .article-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        gap: 24px;
    }

    .article-card {
        background-color: #fff;
        border-radius: var(--brand-radius-lg);
        overflow: hidden;
        box-shadow: var(--brand-shadow);
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
        border: 1px solid var(--brand-border);
    }

    .article-card:hover {
        box-shadow: var(--brand-shadow-hover);
        transform: translateY(-4px);
    }

    .article-card .card-img {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16/9;
        background-color: #e0e0e0;
    }

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

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

    .article-card .card-body {
        padding: 20px 22px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .article-card .card-tags {
        display: flex;
        gap: 6px;
        margin-bottom: 10px;
        flex-wrap: wrap;
    }

    .article-card h3 {
        font-size: 18px;
        font-weight: 600;
        line-height: 1.45;
        margin: 0 0 8px;
        color: var(--brand-dark);
    }

    .article-card h3 a {
        color: var(--brand-dark);
        transition: color 0.2s ease;
    }

    .article-card h3 a:hover {
        color: var(--brand-primary);
    }

    .article-card .excerpt {
        font-size: 14px;
        color: var(--brand-gray);
        line-height: 1.7;
        margin: 0 0 14px;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .article-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--brand-gray-light);
        padding-top: 12px;
        border-top: 1px solid var(--brand-border);
    }

    .article-card .card-meta .date {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .article-card .card-meta .read-more {
        color: var(--brand-primary);
        font-weight: 500;
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap 0.2s ease;
    }

    .article-card .card-meta .read-more:hover {
        gap: 6px;
    }

    /* Hot recommendations */
    .hot-scroll {
        display: flex;
        gap: 16px;
        overflow-x: auto;
        padding-bottom: 12px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .hot-scroll::-webkit-scrollbar {
        height: 6px;
    }

    .hot-scroll::-webkit-scrollbar-track {
        background: var(--brand-bg);
        border-radius: 3px;
    }

    .hot-scroll::-webkit-scrollbar-thumb {
        background: var(--brand-border);
        border-radius: 3px;
    }

    .hot-scroll::-webkit-scrollbar-thumb:hover {
        background: var(--brand-gray-light);
    }

    .hot-card {
        flex: 0 0 280px;
        background-color: #fff;
        border-radius: var(--brand-radius-md);
        overflow: hidden;
        box-shadow: var(--brand-shadow);
        scroll-snap-align: start;
        transition: all 0.2s ease;
        border: 1px solid var(--brand-border);
        display: flex;
        flex-direction: column;
    }

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

    .hot-card .hot-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        background-color: #e0e0e0;
    }

    .hot-card .hot-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    .hot-card:hover .hot-img img {
        transform: scale(1.05);
    }

    .hot-card .hot-body {
        padding: 14px 16px 16px;
    }

    .hot-card .hot-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--brand-dark);
        line-height: 1.45;
        margin: 0 0 6px;
    }

    .hot-card .hot-tag {
        font-size: 12px;
        color: var(--brand-primary);
        font-weight: 500;
    }

    /* Comparison table */
    .comparison-section {
        background-color: var(--brand-white);
    }

    .table-responsive {
        overflow-x: auto;
        border-radius: var(--brand-radius-md);
        border: 1px solid var(--brand-border);
        box-shadow: var(--brand-shadow);
    }

    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 700px;
        background-color: #fff;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 14px 18px;
        text-align: left;
        border-bottom: 1px solid var(--brand-border);
        font-size: 14px;
    }

    .comparison-table thead th {
        background-color: var(--brand-dark);
        color: #fff;
        font-weight: 600;
        white-space: nowrap;
    }

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

    .comparison-table tbody tr:hover td {
        background-color: #faf9f8;
    }

    .comparison-table .highlight {
        color: var(--brand-primary);
        font-weight: 600;
    }

    .comparison-table .green {
        color: #00b377;
        font-weight: 600;
    }

    /* Extend reading */
    .extend-reading .reading-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }

    .reading-item {
        display: flex;
        align-items: center;
        gap: 14px;
        background-color: #fff;
        padding: 14px 16px;
        border-radius: var(--brand-radius-md);
        border: 1px solid var(--brand-border);
        transition: all 0.2s ease;
    }

    .reading-item:hover {
        border-color: var(--brand-primary);
        box-shadow: var(--brand-shadow);
    }

    .reading-item .reading-icon {
        width: 44px;
        height: 44px;
        background-color: rgba(255, 77, 46, 0.08);
        color: var(--brand-primary);
        border-radius: 6px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        flex-shrink: 0;
    }

    .reading-item .reading-content {
        flex: 1;
        min-width: 0;
    }

    .reading-item .reading-content h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--brand-dark);
        margin: 0 0 4px;
        line-height: 1.4;
    }

    .reading-item .reading-content p {
        font-size: 13px;
        color: var(--brand-gray);
        margin: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Subscribe CTA */
    .subscribe-cta {
        background-color: var(--brand-dark);
        color: #fff;
        padding: 40px 24px;
        border-radius: var(--brand-radius-lg);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }

    .subscribe-cta .cta-text h2 {
        font-size: 24px;
        font-weight: 700;
        margin: 0 0 6px;
        color: #fff;
    }

    .subscribe-cta .cta-text p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
        margin: 0;
    }

    .subscribe-cta .cta-form {
        display: flex;
        gap: 12px;
        flex: 1;
        max-width: 480px;
        min-width: 280px;
    }

    .subscribe-cta .cta-form input {
        flex: 1;
        padding: 12px 18px;
        border-radius: var(--brand-radius-sm);
        border: 1px solid rgba(255, 255, 255, 0.2);
        background-color: rgba(255, 255, 255, 0.05);
        color: #fff;
        font-size: 14px;
    }

    .subscribe-cta .cta-form input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }

    .subscribe-cta .cta-form input:focus {
        border-color: var(--brand-primary);
        background-color: rgba(255, 255, 255, 0.1);
        outline: none;
    }

    .subscribe-cta .cta-form .btn {
        white-space: nowrap;
    }

    /* Pagination */
    .pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 24px 0 0;
    }

    .page-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        height: 40px;
        padding: 0 8px;
        border-radius: 6px;
        font-size: 14px;
        font-weight: 500;
        color: var(--brand-gray);
        background-color: #fff;
        border: 1px solid var(--brand-border);
        transition: all 0.2s ease;
        cursor: pointer;
    }

    .page-link:hover {
        border-color: var(--brand-primary);
        color: var(--brand-primary);
    }

    .page-link.active {
        background-color: var(--brand-primary);
        color: #fff;
        border-color: var(--brand-primary);
    }

    .page-link.disabled {
        opacity: 0.4;
        pointer-events: none;
    }

    /* Footer */
    .site-footer {
        background-color: var(--brand-dark);
        color: rgba(255, 255, 255, 0.75);
        padding: 60px 0 30px;
        margin-top: 80px;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }

    .footer-brand .logo-icon {
        width: 36px;
        height: 36px;
        background-color: var(--brand-primary);
        color: #fff;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--brand-radius-sm);
        margin-right: 10px;
        font-size: 18px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.6;
        color: rgba(255, 255, 255, 0.6);
        max-width: 280px;
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin: 0 0 16px;
    }

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

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

    .footer-col ul li a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 14px;
        transition: color 0.2s ease;
    }

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

    .footer-subscribe p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        margin: 0 0 14px;
    }

    .subscribe-form {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }

    .subscribe-form input {
        flex: 1;
        padding: 10px 16px;
        border-radius: var(--brand-radius-sm);
        border: 1px solid rgba(255, 255, 255, 0.2);
        background-color: rgba(255, 255, 255, 0.05);
        color: #fff;
        font-size: 14px;
        min-width: 150px;
    }

    .subscribe-form input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }

    .subscribe-form input:focus {
        border-color: var(--brand-primary);
        outline: none;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px 24px;
        padding-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }

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

    .footer-links a {
        color: rgba(255, 255, 255, 0.5);
        transition: color 0.2s ease;
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
        .nav-desktop {
            gap: 18px;
        }

        .nav-search input {
            width: 150px;
        }

        .footer-top {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .site-header .container-main {
            height: 60px;
        }

        .nav-desktop,
        .nav-search {
            display: none;
        }

        .nav-toggle {
            display: inline-block;
        }

        .nav-mobile {
            display: none;
        }

        .nav-mobile.open {
            display: flex;
        }

        section {
            padding: var(--section-spacing-mobile) 0;
        }

        .page-header h1 {
            font-size: 28px;
        }

        .article-list {
            grid-template-columns: 1fr;
        }

        .hot-card {
            flex: 0 0 240px;
        }

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

        .subscribe-cta .cta-form {
            max-width: 100%;
        }

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

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

    @media (max-width: 520px) {
        .container-main {
            padding: 0 12px;
        }

        .page-header h1 {
            font-size: 24px;
        }

        .filter-bar {
            gap: 6px;
        }

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

        .hot-scroll {
            gap: 10px;
        }

        .hot-card {
            flex: 0 0 200px;
        }

        .reading-list {
            grid-template-columns: 1fr;
        }

        .subscribe-cta {
            padding: 28px 16px;
        }

        .subscribe-cta .cta-form {
            flex-direction: column;
        }

        .pagination {
            gap: 4px;
        }

        .page-link {
            min-width: 36px;
            height: 36px;
            font-size: 13px;
        }
    }

/* roulang page: category4 */
:root {
            --brand-primary: #FF4D2E;
            --brand-primary-hover: #FF6A4A;
            --brand-dark: #15161A;
            --brand-dark-card: #1F2128;
            --brand-bg: #F6F5F3;
            --brand-gray: #4A5260;
            --brand-gray-light: #8A93A3;
            --brand-green: #00D68F;
            --brand-amber: #F0A93B;
            --brand-white: #FFFFFF;
            --brand-border: #E8E6E3;
            --brand-radius-sm: 6px;
            --brand-radius-md: 8px;
            --brand-radius-lg: 12px;
            --brand-shadow: 0 2px 8px rgba(21, 22, 26, 0.06);
            --brand-shadow-hover: 0 8px 24px rgba(21, 22, 26, 0.10);
            --brand-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.3);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-spacing-desktop: 80px;
            --section-spacing-mobile: 48px;
            --container-max: 1200px;
        }

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

        html {
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-dark);
            background-color: var(--brand-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

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

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

        section {
            padding: var(--section-spacing-desktop) 0;
        }

        .section-alt {
            background-color: var(--brand-white);
        }

        .section-heading {
            margin-bottom: 36px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--brand-gray);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 导航 */
        .site-header {
            background: var(--brand-white);
            border-bottom: 1px solid var(--brand-border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .container-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

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

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .logo-icon i {
            color: #fff;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-desktop a {
            color: var(--brand-gray);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

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

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

        .nav-search {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search input {
            border: none;
            background: var(--brand-bg);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 13px;
            color: var(--brand-dark);
            width: 180px;
            transition: all 0.2s ease;
        }

        .nav-search input::placeholder {
            color: var(--brand-gray-light);
        }

        .nav-search input:focus {
            outline: 2px solid var(--brand-primary);
            outline-offset: 0;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.1);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-dark);
            padding: 8px;
            min-height: 44px;
            min-width: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--brand-radius-sm);
        }

        .nav-toggle:hover {
            color: var(--brand-primary);
            background: var(--brand-bg);
        }

        .nav-mobile {
            display: none;
            background: var(--brand-white);
            border-top: 1px solid var(--brand-border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
        }

        .nav-mobile a {
            display: block;
            padding: 12px 8px;
            color: var(--brand-gray);
            font-weight: 500;
            border-radius: var(--brand-radius-sm);
            transition: all 0.2s ease;
            font-size: 15px;
        }

        .nav-mobile a:hover {
            color: var(--brand-primary);
            background: rgba(255, 77, 46, 0.05);
        }

        .nav-mobile a.active {
            color: var(--brand-primary);
            background: rgba(255, 77, 46, 0.08);
            font-weight: 600;
        }

        .nav-mobile-search {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--brand-border);
        }

        .nav-mobile-search input {
            flex: 1;
            border: 1px solid var(--brand-border);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 13px;
            min-width: 0;
        }

        .nav-mobile-search input:focus {
            border-color: var(--brand-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.08);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--brand-radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            min-height: 44px;
            text-align: center;
        }

        .btn i {
            margin-right: 8px;
        }

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

        .btn-primary:hover {
            background-color: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--brand-dark);
            border-color: var(--brand-border);
        }

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

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 36px;
        }

        .btn-block {
            display: flex;
            width: 100%;
        }

        .btn-white-outline {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-white-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.03em;
        }

        .tag-primary {
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--brand-primary);
        }

        .tag-green {
            background-color: rgba(0, 214, 143, 0.12);
            color: #00b377;
        }

        .tag-amber {
            background-color: rgba(240, 169, 59, 0.15);
            color: #d08a1f;
        }

        .tag-blue {
            background-color: rgba(62, 142, 255, 0.12);
            color: #3e8eff;
        }

        .tag-purple {
            background-color: rgba(128, 90, 213, 0.12);
            color: #805ad5;
        }

        /* 页头区（分类页紧凑版） */
        .page-header {
            background: var(--brand-dark);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .page-header::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-header::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 214, 143, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-header .container-main {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--brand-gray-light);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--brand-gray-light);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }

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

        .page-header h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .page-header h1 .highlight {
            color: var(--brand-primary);
        }

        .page-header .page-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* 筛选排序条 */
        .filter-bar {
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 16px 20px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            box-shadow: var(--brand-shadow);
        }

        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--brand-gray);
            font-weight: 600;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-bar .filter-label i {
            color: var(--brand-primary);
            font-size: 14px;
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-btn {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-gray);
            background: var(--brand-bg);
            border: 1px solid transparent;
            transition: all 0.2s ease;
            min-height: 32px;
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-btn:hover {
            color: var(--brand-primary);
            border-color: var(--brand-primary);
            background: transparent;
        }

        .filter-btn.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            font-weight: 600;
        }

        .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--brand-gray);
        }

        .filter-sort select {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 6px 12px;
            font-size: 13px;
            color: var(--brand-dark);
            background: #fff;
            cursor: pointer;
            min-height: 34px;
        }

        .filter-sort select:focus {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        /* 文章卡片列表 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .article-card {
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--brand-shadow);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(255, 77, 46, 0.2);
        }

        .article-card .card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--brand-bg);
            position: relative;
        }

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

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

        .article-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .article-card .card-date {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        .article-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--brand-dark);
            margin-bottom: 10px;
            letter-spacing: -0.005em;
        }

        .article-card h3 a {
            color: var(--brand-dark);
            transition: color 0.2s ease;
        }

        .article-card h3 a:hover {
            color: var(--brand-primary);
        }

        .article-card .card-excerpt {
            font-size: 14px;
            color: var(--brand-gray);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 0;
        }

        /* 查看更多按钮 */
        .view-more-wrap {
            margin-top: 36px;
            text-align: center;
        }

        /* 热门推荐横向滚动 */
        .hot-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
        }

        .hot-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .hot-scroll::-webkit-scrollbar-track {
            background: var(--brand-border);
            border-radius: 4px;
        }

        .hot-scroll::-webkit-scrollbar-thumb {
            background: var(--brand-gray-light);
            border-radius: 4px;
        }

        .hot-card {
            flex: 0 0 280px;
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            scroll-snap-align: start;
            transition: all 0.3s ease;
            box-shadow: var(--brand-shadow);
        }

        .hot-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--brand-shadow-hover);
        }

        .hot-card .hot-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--brand-bg);
        }

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

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

        .hot-card .hot-body {
            padding: 16px 18px 18px;
        }

        .hot-card .hot-tag {
            margin-bottom: 8px;
        }

        .hot-card h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }

        .hot-card h4 a {
            color: var(--brand-dark);
            transition: color 0.2s ease;
        }

        .hot-card h4 a:hover {
            color: var(--brand-primary);
        }

        .hot-card .hot-meta {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        /* 支撑专题板块 */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .strategy-card {
            background: var(--brand-dark-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--brand-radius-lg);
            padding: 28px 24px;
            transition: all 0.3s ease;
            box-shadow: var(--brand-shadow-dark);
        }

        .strategy-card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 77, 46, 0.4);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .strategy-card .strategy-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .strategy-card .strategy-icon.orange {
            background: rgba(255, 77, 46, 0.15);
            color: var(--brand-primary);
        }

        .strategy-card .strategy-icon.green {
            background: rgba(0, 214, 143, 0.15);
            color: var(--brand-green);
        }

        .strategy-card .strategy-icon.amber {
            background: rgba(240, 169, 59, 0.15);
            color: var(--brand-amber);
        }

        .strategy-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .strategy-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .strategy-card .strategy-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .strategy-card .strategy-list li {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .strategy-card .strategy-list li i {
            color: var(--brand-green);
            font-size: 12px;
            flex-shrink: 0;
        }

        /* 延伸阅读 */
        .read-more-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .read-more-item {
            display: flex;
            gap: 14px;
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 16px;
            transition: all 0.3s ease;
            box-shadow: var(--brand-shadow);
            align-items: flex-start;
        }

        .read-more-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(255, 77, 46, 0.2);
        }

        .read-more-item .rm-image {
            width: 72px;
            height: 72px;
            border-radius: var(--brand-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--brand-bg);
        }

        .read-more-item .rm-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .read-more-item .rm-content {
            flex: 1;
            min-width: 0;
        }

        .read-more-item .rm-content h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }

        .read-more-item .rm-content h4 a {
            color: var(--brand-dark);
            transition: color 0.2s ease;
        }

        .read-more-item .rm-content h4 a:hover {
            color: var(--brand-primary);
        }

        .read-more-item .rm-content .rm-meta {
            font-size: 12px;
            color: var(--brand-gray-light);
        }

        /* 订阅CTA */
        .subscribe-cta {
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 36px 32px;
            text-align: center;
            box-shadow: var(--brand-shadow);
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }

        .subscribe-cta p {
            font-size: 14px;
            color: var(--brand-gray);
            margin-bottom: 24px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 420px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--brand-dark);
            min-width: 0;
            transition: all 0.2s ease;
        }

        .subscribe-form input:focus {
            border-color: var(--brand-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.08);
        }

        .subscribe-form input::placeholder {
            color: var(--brand-gray-light);
        }

        /* 分页 */
        .pagination-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--brand-radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-gray);
            background: var(--brand-white);
            border: 1px solid var(--brand-border);
            transition: all 0.2s ease;
        }

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

        .page-btn.active {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #fff;
            font-weight: 600;
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            max-width: 280px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer-logo .logo-icon i {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-subscribe p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            margin-bottom: 12px;
        }

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

        .footer-subscribe .subscribe-form input {
            flex: 1;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--brand-radius-sm);
            padding: 10px 14px;
            font-size: 13px;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            min-width: 0;
            transition: all 0.2s ease;
        }

        .footer-subscribe .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-subscribe .subscribe-form input:focus {
            border-color: var(--brand-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.15);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

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

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

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

        .footer-links span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 18px;
            }

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

            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

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

            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-mobile.open {
                display: flex;
            }

            .nav-mobile {
                display: none;
            }

            section {
                padding: 56px 0;
            }

            .page-header {
                padding: 36px 0 44px;
            }

            .page-header h1 {
                font-size: 28px;
            }

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

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

            .read-more-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }

            .filter-sort {
                margin-left: 0;
                width: 100%;
                justify-content: space-between;
            }

            .filter-sort select {
                flex: 1;
                max-width: 200px;
            }

            .subscribe-cta {
                padding: 28px 20px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-form input {
                width: 100%;
            }

            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .footer-links {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 12px;
            }

            .page-header h1 {
                font-size: 24px;
            }

            .page-header .page-desc {
                font-size: 14px;
            }

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

            .hot-card {
                flex: 0 0 240px;
            }

            .strategy-card {
                padding: 22px 18px;
            }

            .read-more-item {
                flex-direction: column;
                gap: 10px;
            }

            .read-more-item .rm-image {
                width: 100%;
                height: 120px;
            }

            .pagination-nav {
                gap: 4px;
            }

            .page-btn {
                min-width: 36px;
                height: 36px;
                padding: 0 10px;
                font-size: 13px;
            }
        }