/* roulang page: index */
:root {
            --primary: #10b981;
            --primary-dark: #059669;
            --primary-deep: #047857;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --surface-bg: #f8fafc;
            --surface-white: #ffffff;
            --text-main: #1e293b;
            --text-soft: #64748b;
            --text-muted: #94a3b8;
            --border-light: #e2e8f0;
            --border-soft: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-xs: 0 0 0 1px rgba(0,0,0,0.03);
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.08);
            --shadow-xl: 0 16px 40px rgba(0,0,0,0.1);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25,0.8,0.25,1.2);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #059669;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid #10b981;
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: #0f172a;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226,232,240,0.7);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #0f172a;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: #059669;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #10b981 0%, #047857 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(16,185,129,0.3);
        }
        .nav-desktop {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        @media (min-width: 768px) {
            .nav-desktop {
                display: flex;
            }
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #475569;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: #059669;
            background: #ecfdf5;
        }
        .nav-link.active {
            color: #047857;
            background: #d1fae5;
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: #10b981;
            border-radius: 3px 3px 0 0;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.4rem;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            border-radius: 0.6rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(249,115,22,0.3);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(249,115,22,0.4);
            color: #fff;
        }

        /* Mobile menu button */
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 0.6rem;
            background: #f1f5f9;
            color: #475569;
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            border: 1px solid #e2e8f0;
        }
        .mobile-menu-btn:hover {
            background: #e2e8f0;
            color: #1e293b;
        }
        @media (min-width: 768px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 68px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 20px 40px rgba(0,0,0,0.12);
            padding: 1rem 1.25rem;
            flex-direction: column;
            gap: 0.4rem;
            z-index: 99;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.7rem 1rem;
            font-size: 1rem;
            border-radius: 0.6rem;
        }
        .mobile-menu .nav-cta-btn {
            margin-top: 0.5rem;
            justify-content: center;
            width: 100%;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #064e3b 0%, #022c22 35%, #0f172a 100%);
            color: #fff;
            overflow: hidden;
            padding: 4rem 0 3rem;
        }
        @media (min-width: 768px) {
            .hero-section {
                padding: 6rem 0 5rem;
            }
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            pointer-events: none;
            mix-blend-mode: overlay;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(16,185,129,0.25) 0%, transparent 70%);
            top: -150px;
            right: -100px;
            pointer-events: none;
        }
        .hero-glow-2 {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249,115,22,0.18) 0%, transparent 70%);
            bottom: -100px;
            left: -80px;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .hero-content {
                flex-direction: row;
                text-align: left;
                gap: 3rem;
            }
        }
        .hero-text {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1rem;
            background: rgba(16,185,129,0.2);
            border: 1px solid rgba(16,185,129,0.35);
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #6ee7b7;
            width: fit-content;
            letter-spacing: 0.01em;
        }
        .hero-title {
            font-size: 2.2rem;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -0.03em;
        }
        @media (min-width: 640px) {
            .hero-title {
                font-size: 2.8rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.4rem;
            }
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: #cbd5e1;
            line-height: 1.7;
            max-width: 540px;
        }
        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.1rem;
            }
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            border-radius: 0.7rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(249,115,22,0.35);
            white-space: nowrap;
        }
        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(249,115,22,0.45);
            color: #fff;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255,255,255,0.4);
            border-radius: 0.7rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .hero-visual {
            flex: 0 0 auto;
            width: 100%;
            max-width: 420px;
            border-radius: 1.25rem;
            overflow: hidden;
            box-shadow: 0 25px 60px rgba(0,0,0,0.4);
            border: 2px solid rgba(255,255,255,0.12);
        }
        @media (min-width: 768px) {
            .hero-visual {
                width: 380px;
            }
        }
        @media (min-width: 1024px) {
            .hero-visual {
                width: 440px;
            }
        }
        .hero-visual img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Section common */
        .section {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }
        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            color: #059669;
            background: #d1fae5;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: #0f172a;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }
        @media (min-width: 640px) {
            .section-title {
                font-size: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.3rem;
            }
        }
        .section-subtitle {
            font-size: 1rem;
            color: #64748b;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.65;
        }

        /* Features grid */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }
        .feature-card {
            background: #fff;
            border-radius: 1rem;
            padding: 1.5rem;
            border: 1px solid #e2e8f0;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #d1fae5;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #10b981, #34d399);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon-box {
            width: 48px;
            height: 48px;
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            background: #ecfdf5;
            color: #059669;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1e293b;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
            margin: 0;
        }

        /* Category cards */
        .category-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        .category-card {
            background: #fff;
            border-radius: 1rem;
            overflow: hidden;
            border: 1px solid #e2e8f0;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: #d1fae5;
        }
        .category-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            flex: 1;
        }
        .category-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: #059669;
            background: #ecfdf5;
            padding: 0.2rem 0.7rem;
            border-radius: 1rem;
            width: fit-content;
        }
        .category-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #1e293b;
        }
        .category-card p {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 700;
            font-size: 0.9rem;
            color: #059669;
            transition: gap var(--transition-fast);
            margin-top: 0.25rem;
        }
        .category-card-link:hover {
            gap: 0.55rem;
            color: #047857;
        }

        /* CMS list */
        .cms-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .cms-item {
            display: flex;
            gap: 1rem;
            background: #fff;
            border-radius: 0.85rem;
            padding: 1rem 1.25rem;
            border: 1px solid #e2e8f0;
            transition: all var(--transition-base);
            align-items: center;
        }
        .cms-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d1fae5;
            transform: translateX(3px);
        }
        .cms-item-thumb {
            width: 80px;
            height: 60px;
            border-radius: 0.6rem;
            object-fit: cover;
            flex-shrink: 0;
            display: none;
        }
        @media (min-width: 480px) {
            .cms-item-thumb {
                display: block;
            }
        }
        .cms-item-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }
        .cms-item-meta {
            display: flex;
            gap: 0.6rem;
            align-items: center;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: #94a3b8;
        }
        .cms-item-meta .cms-cat {
            font-weight: 600;
            color: #059669;
            background: #ecfdf5;
            padding: 0.15rem 0.55rem;
            border-radius: 1rem;
            font-size: 0.75rem;
        }
        .cms-item-title {
            font-weight: 700;
            font-size: 1rem;
            color: #1e293b;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-item-title a {
            color: inherit;
        }
        .cms-item-title a:hover {
            color: #059669;
        }
        .cms-item-desc {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }
        .stat-card {
            background: #fff;
            border-radius: 1rem;
            padding: 1.5rem 1rem;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #d1fae5;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: #059669;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 0.85rem;
            border: 1px solid #e2e8f0;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: #d1fae5;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.25rem;
            background: transparent;
            font-weight: 700;
            font-size: 1rem;
            color: #1e293b;
            text-align: left;
            transition: color var(--transition-fast);
            gap: 1rem;
        }
        .faq-question:hover {
            color: #059669;
        }
        .faq-question i {
            font-size: 1rem;
            color: #94a3b8;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: #059669;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #064e3b 0%, #022c22 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(16,185,129,0.3) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        @media (min-width: 640px) {
            .cta-title {
                font-size: 2rem;
            }
        }
        .cta-desc {
            font-size: 1rem;
            color: #cbd5e1;
            max-width: 500px;
            margin: 0.75rem auto 1.5rem;
            line-height: 1.6;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            border-radius: 0.7rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(249,115,22,0.35);
            white-space: nowrap;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(249,115,22,0.45);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #34d399;
        }
        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 2rem 1rem;
            color: #94a3b8;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 0.85rem;
            border: 1px dashed #e2e8f0;
        }

        /* Animations */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* Smooth transitions for all interactive elements */
        .transition-all-smooth {
            transition: all var(--transition-base);
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #e94560;
            --color-accent-hover: #d63852;
            --color-gold: #f0a500;
            --color-bg: #f8f9fb;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5d6e;
            --color-text-muted: #8b8fa3;
            --color-border: #e2e5ee;
            --color-border-light: #eff1f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 2px 16px rgba(26, 26, 46, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(26, 26, 46, 0.12);
            --shadow-elevated: 0 12px 40px rgba(26, 26, 46, 0.1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== HEADER ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 6px rgba(26, 26, 46, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), #2d2d4a);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .nav-link.active {
            color: var(--color-accent);
            background: rgba(233, 69, 96, 0.07);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(26, 26, 46, 0.05);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            padding: 12px 20px 20px;
            gap: 6px;
        }

        .mobile-menu .nav-link,
        .mobile-menu .nav-cta-btn {
            width: 100%;
            justify-content: center;
            text-align: center;
            padding: 12px 16px;
            border-radius: 10px;
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-wrap {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            padding: 13px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }

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

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

        .breadcrumb .sep {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            pointer-events: none;
        }

        /* ===== ARTICLE MAIN ===== */
        .article-main {
            padding: 40px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-content-area {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 40px 44px;
            box-shadow: var(--shadow-card);
        }

        .article-category-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(233, 69, 96, 0.08);
            color: var(--color-accent);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .article-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin: 0 0 14px;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: var(--color-text-muted);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border-light);
            margin-bottom: 24px;
        }

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

        .article-featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
        }

        .article-featured-image img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 32px 0 14px;
            color: var(--color-primary);
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--color-primary);
        }

        .article-body p {
            margin: 0 0 16px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 16px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 6px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--color-accent);
            margin: 20px 0;
            padding: 14px 20px;
            background: rgba(233, 69, 96, 0.03);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-soft);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
        }

        .article-body a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--color-accent-hover);
        }

        /* ===== SIDEBAR ===== */
        .article-sidebar {
            position: sticky;
            top: 84px;
        }

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-border-light);
        }

        .sidebar-related-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

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

        .sidebar-related-item:hover {
            opacity: 0.8;
        }

        .sidebar-related-thumb {
            width: 70px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e8eaef;
        }

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

        .sidebar-related-info .related-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-related-item:hover .related-title {
            color: var(--color-accent);
        }

        .sidebar-related-info .related-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--color-primary), #2d2d4a);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-elevated);
        }

        .sidebar-cta-box h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
            border: none;
            padding: 0;
        }

        .sidebar-cta-box p {
            font-size: 0.85rem;
            opacity: 0.85;
            margin: 0 0 16px;
            line-height: 1.5;
        }

        .sidebar-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 22px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
        }

        .sidebar-cta-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5);
            transform: translateY(-2px);
        }

        /* ===== NOT FOUND ===== */
        .not-found-section {
            text-align: center;
            padding: 70px 20px;
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
        }

        .not-found-section p {
            color: var(--color-text-soft);
            margin: 0 0 24px;
            font-size: 1rem;
        }

        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
        }

        .back-home-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(233, 69, 96, 0.4);
            transform: translateY(-2px);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #222240 100%);
            padding: 56px 0;
            margin-top: 20px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(233, 69, 96, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(240, 165, 0, 0.06);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-inner h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .cta-inner p {
            font-size: 1rem;
            opacity: 0.82;
            margin: 0 0 24px;
            line-height: 1.6;
        }

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

        .cta-btn-primary {
            padding: 13px 30px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.35);
        }

        .cta-btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 24px rgba(233, 69, 96, 0.45);
            transform: translateY(-2px);
        }

        .cta-btn-outline {
            padding: 13px 30px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            transition: all var(--transition-smooth);
        }

        .cta-btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-primary);
            color: #c8c8d8;
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.65;
            opacity: 0.75;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.01em;
        }

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

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

        .footer-col ul li a {
            font-size: 0.875rem;
            opacity: 0.72;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            opacity: 1;
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .article-sidebar {
                position: static;
                top: auto;
            }

            .sidebar-related-list {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .sidebar-related-item {
                border-bottom: none;
                padding: 0;
            }

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

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

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }

            .nav-desktop {
                display: none;
            }

            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }

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

            .article-content-area {
                padding: 24px 20px 30px;
                border-radius: var(--radius-md);
            }

            .article-title {
                font-size: 1.45rem;
            }

            .article-body {
                font-size: 0.95rem;
            }

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

            .cta-inner h3 {
                font-size: 1.3rem;
            }

            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .article-layout {
                gap: 20px;
            }

            .article-main {
                padding: 24px 0 36px;
            }

            .breadcrumb {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .article-content-area {
                padding: 18px 14px 22px;
                border-radius: var(--radius-sm);
            }

            .article-title {
                font-size: 1.25rem;
            }

            .article-body {
                font-size: 0.9rem;
                line-height: 1.7;
            }

            .article-featured-image {
                border-radius: var(--radius-sm);
                margin-bottom: 18px;
            }

            .logo-link {
                font-size: 1.05rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .cta-section {
                padding: 36px 0;
            }

            .cta-inner h3 {
                font-size: 1.15rem;
            }

            .cta-inner p {
                font-size: 0.875rem;
            }

            .not-found-section {
                padding: 40px 14px;
            }

            .not-found-section h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-brand: #247358;
            --color-brand-dark: #194a3a;
            --color-brand-light: #348f6d;
            --color-accent: #f9810a;
            --color-accent-dark: #dd5f05;
            --color-bg: #fefdfb;
            --color-surface: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e8e3d9;
            --color-border-light: #f2efe8;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

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

        input:focus,
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            gap: 1.5rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: opacity 0.25s ease;
        }

        .logo-link:hover {
            opacity: 0.8;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 2.2rem;
            height: 2.2rem;
            background: linear-gradient(135deg, #247358 0%, #1d5c47 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            padding: 0.45rem 0.8rem;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-brand);
            background: rgba(36, 115, 88, 0.06);
        }

        .nav-link.active {
            color: var(--color-brand);
            font-weight: 600;
            background: rgba(36, 115, 88, 0.1);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: var(--color-brand);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-lg);
            white-space: nowrap;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(36, 115, 88, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 4px 16px rgba(36, 115, 88, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 0.5rem 0.7rem;
            font-size: 1.25rem;
            color: var(--color-text);
            transition: all 0.25s ease;
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.4rem;
            padding: 0.75rem 0 1.2rem;
            border-top: 1px solid var(--color-border-light);
            animation: slideDown 0.3s ease;
        }

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

        .mobile-menu .nav-link {
            padding: 0.65rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
        }

        .mobile-menu .nav-cta-btn {
            margin-top: 0.4rem;
            text-align: center;
            justify-content: center;
            padding: 0.7rem 1.3rem;
            font-size: 0.95rem;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                max-height: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                max-height: 400px;
                transform: translateY(0);
            }
        }

        /* ========== Category Banner ========== */
        .category-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 400px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.82) 0%, rgba(26, 26, 26, 0.55) 40%, rgba(36, 115, 88, 0.6) 100%);
            z-index: 1;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.25s ease;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: #ffbe4a;
            font-weight: 500;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 4.5rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-tag {
            display: inline-block;
            background: rgba(36, 115, 88, 0.1);
            color: var(--color-brand);
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin: 0 0 0.6rem;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== Sport Cards Grid ========== */
        .sport-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .sport-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all 0.35s ease;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(36, 115, 88, 0.2);
        }

        .sport-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .sport-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .sport-card:hover .sport-card-img-wrap img {
            transform: scale(1.06);
        }

        .sport-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 999px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .sport-card-body {
            padding: 1.3rem 1.3rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .sport-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 0.4rem;
            letter-spacing: -0.01em;
        }

        .sport-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            margin: 0 0 1rem;
            flex: 1;
        }

        .sport-card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .sport-card-meta i {
            color: var(--color-brand);
            font-size: 0.7rem;
        }

        .sport-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-brand);
            margin-top: 0.7rem;
            transition: color 0.25s ease;
        }

        .sport-card-link:hover {
            color: var(--color-brand-dark);
        }

        .sport-card-link i {
            transition: transform 0.3s ease;
        }

        .sport-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Hot Events List ========== */
        .hot-events-section {
            background: linear-gradient(180deg, #faf8f4 0%, #fefdfb 100%);
        }

        .hot-events-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .hot-event-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1rem 1.4rem;
            border: 1px solid var(--color-border-light);
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .hot-event-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(36, 115, 88, 0.18);
            transform: translateY(-2px);
        }

        .hot-event-rank {
            flex-shrink: 0;
            width: 2.6rem;
            height: 2.6rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            background: var(--color-brand);
        }

        .hot-event-rank.top1 {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }
        .hot-event-rank.top2 {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            box-shadow: 0 4px 12px rgba(100, 116, 139, 0.3);
        }
        .hot-event-rank.top3 {
            background: linear-gradient(135deg, #cd7836, #a0522d);
            box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
        }

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

        .hot-event-name {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            margin: 0 0 0.2rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-event-detail {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .hot-event-tag {
            display: inline-block;
            background: rgba(36, 115, 88, 0.08);
            color: var(--color-brand);
            font-weight: 500;
            font-size: 0.72rem;
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            white-space: nowrap;
        }

        .hot-event-arrow {
            flex-shrink: 0;
            color: var(--color-brand);
            font-size: 1rem;
            transition: transform 0.3s ease;
        }

        .hot-event-item:hover .hot-event-arrow {
            transform: translateX(3px);
        }

        /* ========== Stats ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            text-align: center;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(36, 115, 88, 0.2);
            transform: translateY(-4px);
        }

        .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 3.2rem;
            height: 3.2rem;
            border-radius: 50%;
            background: rgba(36, 115, 88, 0.1);
            color: var(--color-brand);
            font-size: 1.3rem;
            margin-bottom: 0.9rem;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 0.4rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* ========== Guide Steps ========== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.3rem;
            position: relative;
        }

        .guide-step-card {
            text-align: center;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem 1.3rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all 0.35s ease;
        }

        .guide-step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(36, 115, 88, 0.2);
        }

        .guide-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 3rem;
            height: 3rem;
            background: var(--color-brand);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            border-radius: 50%;
            margin-bottom: 1rem;
            box-shadow: 0 4px 14px rgba(36, 115, 88, 0.3);
        }

        .guide-step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin: 0 0 0.4rem;
        }

        .guide-step-desc {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #faf8f4;
        }

        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(36, 115, 88, 0.25);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            background: none;
            border: none;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            transition: color 0.25s ease;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 1.7rem;
            height: 1.7rem;
            border-radius: 50%;
            background: rgba(36, 115, 88, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--color-brand);
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-brand);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #194a3a 0%, #247358 50%, #1d5c47 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 0.8rem;
            letter-spacing: -0.01em;
        }

        .cta-desc {
            font-size: 1.05rem;
            opacity: 0.88;
            line-height: 1.6;
            margin: 0 0 1.8rem;
        }

        .cta-btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.8rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-primary-white {
            background: #fff;
            color: var(--color-brand-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-primary-white:hover {
            background: #fefdfb;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.22);
            transform: translateY(-2px);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1a1a1a;
            color: #c5c5c5;
            padding: 3.5rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2.5rem;
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            display: block;
            margin-bottom: 0.7rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #a0a0a0;
            margin: 0;
        }

        .footer-col h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin: 0 0 1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-col ul li a {
            color: #a0a0a0;
            transition: color 0.25s ease;
            font-size: 0.88rem;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: #888;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .sport-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .category-banner {
                min-height: 320px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
                align-items: center;
            }
            .sport-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .guide-steps {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .hot-events-list {
                gap: 0.6rem;
            }
            .hot-event-item {
                padding: 0.9rem 1rem;
                gap: 0.8rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .category-banner {
                min-height: 280px;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .sport-cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .guide-steps {
                grid-template-columns: 1fr;
            }
            .hot-event-item {
                flex-wrap: wrap;
            }
            .hot-event-arrow {
                margin-left: auto;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .category-banner {
                min-height: 240px;
            }
            .cta-btn-group {
                flex-direction: column;
                width: 100%;
            }
            .cta-btn-group .btn {
                width: 100%;
                justify-content: center;
            }
            .stat-card {
                padding: 1.4rem 1rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 1.8rem;
                height: 1.8rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 400px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }