/* roulang page: index */
:root {
            --color-primary: #FF5E14;
            --color-primary-dark: #E04D0A;
            --color-primary-light: #FF7E42;
            --color-primary-glow: rgba(255, 94, 20, 0.25);
            --color-secondary: #1B1C2E;
            --color-secondary-light: #252740;
            --color-accent: #FFB800;
            --color-accent-light: #FFD54F;
            --color-bg: #F5F6FA;
            --color-bg-alt: #EBEEF5;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1D1F2C;
            --color-text-secondary: #5A5D6E;
            --color-text-light: #8B8EA0;
            --color-border: #E2E5EE;
            --color-border-light: #EEF1F8;
            --color-success: #22C55E;
            --color-danger: #EF4444;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 4px 24px rgba(255, 94, 20, 0.30);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'Noto Sans SC', 'Inter', sans-serif;
            --max-width: 1260px;
            --header-height: 76px;
            --header-height-mobile: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
            height: auto;
            min-height: var(--header-height);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
            min-height: var(--header-height);
            gap: 8px 20px;
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
                min-height: var(--header-height-mobile);
                flex-wrap: nowrap;
                gap: 10px;
            }
            .site-header {
                min-height: var(--header-height-mobile);
            }
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }

        .header-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 900;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: var(--radius-xs);
            }
        }

        .header-search-wrap {
            flex: 1;
            max-width: 460px;
            min-width: 200px;
            position: relative;
        }

        @media (max-width: 768px) {
            .header-search-wrap {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                margin-top: 2px;
                margin-bottom: 6px;
            }
        }

        .header-search-form {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .header-search-form:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px var(--color-primary-glow);
            background: var(--color-white);
        }

        .header-search-input {
            flex: 1;
            padding: 12px 18px;
            font-size: 0.95rem;
            color: var(--color-text);
            background: transparent;
            width: 100%;
            min-width: 0;
        }

        .header-search-input::placeholder {
            color: var(--color-text-light);
            font-size: 0.9rem;
        }

        .header-search-btn {
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 0 var(--radius-full) var(--radius-full) 0;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        @media (max-width: 520px) {
            .header-search-input {
                padding: 10px 14px;
                font-size: 0.85rem;
            }
            .header-search-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 3px;
            }
            .header-search-btn span {
                display: none;
            }
            .header-search-btn i {
                font-size: 0.9rem;
            }
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .header-nav-links {
                display: none;
                order: 4;
                flex-basis: 100%;
                flex-direction: column;
                gap: 2px;
                padding-bottom: 10px;
                background: var(--color-white);
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .header-nav-links.open {
                display: flex;
            }
        }

        .header-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .header-nav-link:hover {
            color: var(--color-primary);
            background: rgba(255, 94, 20, 0.06);
        }

        .header-nav-link.active {
            color: var(--color-primary);
            background: rgba(255, 94, 20, 0.10);
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .header-nav-link {
                width: 100%;
                border-radius: var(--radius-sm);
                padding: 12px 16px;
                font-size: 0.95rem;
            }
        }

        .header-mobile-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 1.3rem;
            flex-shrink: 0;
            transition: var(--transition-fast);
        }

        .header-mobile-toggle:hover {
            background: var(--color-border);
        }

        @media (max-width: 768px) {
            .header-mobile-toggle {
                display: flex;
            }
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            background: var(--color-secondary);
            background-image: linear-gradient(180deg, rgba(27, 28, 46, 0.55) 0%, rgba(27, 28, 46, 0.82) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            padding: 80px 20px;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 460px;
                padding: 50px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 400px;
                padding: 40px 14px;
            }
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -15%;
            width: 60%;
            height: 140%;
            background: radial-gradient(ellipse at center, rgba(255, 94, 20, 0.25) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
            filter: blur(80px);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -25%;
            right: -10%;
            width: 55%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(255, 184, 0, 0.18) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
            filter: blur(70px);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.20);
            color: var(--color-accent-light);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-badge i {
            font-size: 0.75rem;
            color: var(--color-accent);
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 900;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.8px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }

        .hero-title .highlight {
            color: var(--color-accent);
            position: relative;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
                letter-spacing: -0.3px;
            }
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.80);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 520px) {
            .hero-subtitle {
                font-size: 0.95rem;
            }
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.3px;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            justify-content: center;
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn:focus-visible {
            outline: 3px solid var(--color-primary-glow);
            outline-offset: 3px;
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 94, 20, 0.40);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.80);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: var(--radius-xl);
        }

        @media (max-width: 520px) {
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 14px 26px;
                font-size: 0.95rem;
            }
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: 72px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 36px 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            background: rgba(255, 94, 20, 0.08);
            padding: 5px 14px;
            border-radius: var(--radius-full);
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.35rem;
            }
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .section-desc {
                font-size: 0.9rem;
            }
        }

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

        @media (max-width: 900px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .highlight-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: var(--transition);
        }

        .highlight-card:hover::before {
            opacity: 1;
        }

        .highlight-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius);
            background: rgba(255, 94, 20, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: var(--transition);
        }

        .highlight-card:hover .highlight-icon {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .highlight-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .highlight-card p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ============ CATEGORY ENTRY ============ */
        .category-entry-section {
            background: var(--color-bg-alt);
        }

        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        @media (max-width: 768px) {
            .category-entry-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .category-entry-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            color: #fff;
            background-size: cover;
            background-position: center;
        }

        .category-entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .category-entry-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 28, 46, 0.05) 20%, rgba(27, 28, 46, 0.75) 100%);
            z-index: 1;
            transition: var(--transition);
        }

        .category-entry-card:hover::after {
            background: linear-gradient(180deg, rgba(27, 28, 46, 0.15) 20%, rgba(27, 28, 46, 0.85) 100%);
        }

        .category-entry-card-content {
            position: relative;
            z-index: 2;
            padding: 30px 28px;
            width: 100%;
        }

        .category-entry-card .entry-tag {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-secondary);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
        }

        .category-entry-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 6px;
            letter-spacing: -0.2px;
        }

        .category-entry-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.80);
            line-height: 1.5;
            max-width: 360px;
        }

        @media (max-width: 520px) {
            .category-entry-card {
                min-height: 220px;
            }
            .category-entry-card h3 {
                font-size: 1.2rem;
            }
            .category-entry-card-content {
                padding: 20px 18px;
            }
        }

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

        @media (max-width: 960px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: inherit;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .news-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .news-card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .news-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-primary);
            background: rgba(255, 94, 20, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.4px;
        }

        .news-card-time {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-light);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        /* ============ STATS ============ */
        .stats-section {
            background: var(--color-secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 180%;
            background: radial-gradient(ellipse at center, rgba(255, 94, 20, 0.18) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
            filter: blur(60px);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 420px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -1px;
            color: var(--color-accent);
            line-height: 1.1;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.70);
            margin-top: 6px;
        }

        @media (max-width: 520px) {
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .stat-item .stat-label {
                font-size: 0.85rem;
            }
        }

        /* ============ BENEFITS ============ */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 960px) {
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        .benefit-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
        }

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

        .benefit-card .benefit-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--color-primary);
        }

        .benefit-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .benefit-card p {
            font-size: 0.83rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ============ FEATURED ============ */
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .featured-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
        }

        .featured-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--color-text);
            letter-spacing: -0.2px;
        }

        .featured-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .featured-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .featured-list li i {
            color: var(--color-success);
            font-size: 1rem;
        }

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

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: var(--transition-fast);
            background: transparent;
            border: none;
            outline: none;
            line-height: 1.5;
        }

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

        .faq-question i {
            font-size: 0.9rem;
            color: var(--color-text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -15%;
            width: 50%;
            height: 160%;
            background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
            filter: blur(50px);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .cta-content h2 {
                font-size: 1.4rem;
            }
            .cta-content p {
                font-size: 0.9rem;
            }
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            font-weight: 700;
            box-shadow: var(--shadow);
        }

        .btn-white:hover {
            background: #f8f8f8;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-white:active {
            transform: translateY(0);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.70);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .footer-brand .footer-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.60);
            transition: var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ RESPONSIVE FINE-TUNING ============ */
        @media (max-width: 1024px) {
            .header-search-wrap {
                max-width: 320px;
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 900px) {
            .header-inner {
                gap: 6px 14px;
            }
            .header-search-wrap {
                max-width: 260px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                justify-content: space-between;
            }
            .header-search-wrap {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
            }
            .header-nav-links {
                order: 4;
                flex-basis: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .header-inner {
                padding: 0 12px;
            }
            .hero {
                padding: 36px 12px;
                min-height: 360px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .highlights-grid,
            .news-grid,
            .benefits-grid,
            .stats-grid {
                gap: 12px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .category-entry-card {
                min-height: 200px;
            }
            .category-entry-card h3 {
                font-size: 1.1rem;
            }
        }

        /* ============ ANIMATIONS ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

        /* Skip link */
        .skip-link {
            position: absolute;
            top: -100px;
            left: 16px;
            background: var(--color-primary);
            color: #fff;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            z-index: 9999;
            font-weight: 600;
            transition: top 0.3s ease;
        }
        .skip-link:focus {
            top: 10px;
        }

/* roulang page: category1 */
:root {
            --primary: #FF5E3A;
            --primary-dark: #E04A2A;
            --primary-light: #FFF0EC;
            --secondary: #2D1B69;
            --secondary-light: #F3EFFF;
            --accent: #FFB800;
            --accent-light: #FFF7E0;
            --success: #10B981;
            --success-light: #ECFDF5;
            --bg: #F8F7FC;
            --bg-alt: #F0EEF7;
            --surface: #FFFFFF;
            --text: #1A1A2E;
            --text-heading: #111127;
            --text-muted: #6B6B80;
            --text-light: #9494A8;
            --border: #E8E6F0;
            --border-light: #F2F0F8;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.12);
            --shadow-card-hover: 0 12px 36px rgba(255, 94, 58, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --container-padding: 24px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-heading);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

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

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), #FF7B5F);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-search-wrap {
            flex: 1;
            max-width: 420px;
            position: relative;
            min-width: 180px;
        }

        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.95rem;
            pointer-events: none;
            transition: color var(--transition-fast);
        }

        .header-search-input {
            width: 100%;
            padding: 10px 16px 10px 44px;
            border: 2px solid var(--border);
            border-radius: var(--radius-full);
            background: var(--bg);
            font-size: 0.95rem;
            color: var(--text);
            outline: none;
            transition: all var(--transition-base);
            height: 44px;
        }

        .header-search-input::placeholder {
            color: var(--text-light);
        }

        .header-search-input:focus {
            border-color: var(--primary);
            background: var(--surface);
            box-shadow: 0 0 0 4px rgba(255, 94, 58, 0.08);
        }

        .header-search-input:focus~.search-icon,
        .header-search-wrap:focus-within .search-icon {
            color: var(--primary);
        }

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

        .header-nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }

        .header-nav-link:hover {
            color: var(--text);
            background: var(--bg-alt);
        }

        .header-nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .header-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: var(--radius-full);
        }

        .header-cta-btn {
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--primary), #FF7B5F);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 94, 58, 0.3);
        }

        .header-cta-btn:hover {
            background: linear-gradient(135deg, var(--primary-dark), #E0553A);
            box-shadow: 0 6px 20px rgba(255, 94, 58, 0.4);
            transform: translateY(-1px);
        }

        .header-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .header-mobile-toggle:hover {
            background: var(--bg-alt);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: var(--surface);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 16px;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: var(--shadow-xl);
        }

        .mobile-menu-panel.open {
            transform: translateX(0);
        }

        .mobile-menu-panel .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 1rem;
            color: var(--text);
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel .mobile-nav-link:hover {
            background: var(--bg-alt);
        }

        .mobile-menu-panel .mobile-nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .mobile-menu-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }

        .mobile-menu-close:hover {
            background: var(--bg-alt);
            color: var(--text);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--secondary) 0%, #1E1050 40%, #3D1F8E 100%);
            padding: 56px 0;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .page-banner .banner-particles {
            position: absolute;
            inset: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .page-banner .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            animation: float-up 6s infinite ease-in;
        }

        .page-banner .particle:nth-child(1) {
            left: 10%;
            animation-delay: 0s;
            animation-duration: 5s;
        }
        .page-banner .particle:nth-child(2) {
            left: 25%;
            animation-delay: 1s;
            animation-duration: 7s;
        }
        .page-banner .particle:nth-child(3) {
            left: 40%;
            animation-delay: 2s;
            animation-duration: 4.5s;
        }
        .page-banner .particle:nth-child(4) {
            left: 55%;
            animation-delay: 0.5s;
            animation-duration: 6.5s;
        }
        .page-banner .particle:nth-child(5) {
            left: 70%;
            animation-delay: 1.5s;
            animation-duration: 5.5s;
        }
        .page-banner .particle:nth-child(6) {
            left: 85%;
            animation-delay: 3s;
            animation-duration: 8s;
        }

        @keyframes float-up {
            0% {
                transform: translateY(100px) scale(0);
                opacity: 0;
            }
            20% {
                opacity: 1;
            }
            80% {
                opacity: 0.6;
            }
            100% {
                transform: translateY(-100px) scale(1.5);
                opacity: 0;
            }
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .page-banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }

        .page-banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .page-banner-breadcrumb a:hover {
            color: #fff;
        }

        .page-banner-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

        .page-banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .page-banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.6;
        }

        .page-banner-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .page-banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
        }

        .page-banner-stat .stat-icon {
            font-size: 1.1rem;
            color: var(--accent);
        }

        .page-banner-stat .stat-num {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            flex: 1;
            padding: 48px 0 64px;
        }

        /* Filter Bar */
        .filter-bar {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
            justify-content: space-between;
        }

        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-tag {
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg);
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }

        .filter-tag:hover {
            color: var(--text);
            background: var(--bg-alt);
            border-color: var(--border);
        }

        .filter-tag.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 3px 10px rgba(255, 94, 58, 0.25);
        }

        .filter-sort-select {
            padding: 8px 14px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--border);
            background: var(--surface);
            font-size: 0.85rem;
            color: var(--text);
            cursor: pointer;
            outline: none;
            transition: all var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B80' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 34px;
            min-width: 130px;
        }

        .filter-sort-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 94, 58, 0.06);
        }

        .filter-results-count {
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .filter-results-count strong {
            color: var(--text);
            font-weight: 700;
        }

        /* Articles Grid */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .article-card-image {
            position: relative;
            width: 100%;
            padding-top: 56.25%;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .article-card-image img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .article-card:hover .article-card-image img {
            transform: scale(1.06);
        }

        .article-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            z-index: 2;
            letter-spacing: 0.02em;
        }

        .article-card-badge.beginner {
            background: var(--success);
        }
        .article-card-badge.intermediate {
            background: #3B82F6;
        }
        .article-card-badge.advanced {
            background: #8B5CF6;
        }
        .article-card-badge.expert {
            background: #EF4444;
        }

        .article-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .article-card-category {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.03em;
        }

        .article-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

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

        .article-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
        }

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

        .article-card-meta .meta-icon {
            font-size: 0.85rem;
        }

        .article-card-rating {
            display: flex;
            align-items: center;
            gap: 3px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.82rem;
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: var(--surface);
            border: 1.5px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .pagination-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* Featured Section */
        .featured-section {
            margin-bottom: 40px;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-heading);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title .title-icon {
            font-size: 1.3rem;
            color: var(--primary);
        }

        .section-title .title-bar {
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: var(--radius-full);
        }

        .featured-card-large {
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            display: grid;
            grid-template-columns: 1fr 1fr;
            transition: all var(--transition-smooth);
        }

        .featured-card-large:hover {
            box-shadow: var(--shadow-lg);
        }

        .featured-card-image {
            position: relative;
            min-height: 280px;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .featured-card-image img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .featured-card-large:hover .featured-card-image img {
            transform: scale(1.05);
        }

        .featured-card-content {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }

        .featured-card-label {
            display: inline-block;
            padding: 5px 14px;
            background: var(--accent-light);
            color: #B87800;
            font-weight: 700;
            font-size: 0.78rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            align-self: flex-start;
        }

        .featured-card-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .featured-card-large:hover .featured-card-content h3 {
            color: var(--primary);
        }

        .featured-card-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .featured-card-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            align-self: flex-start;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 94, 58, 0.25);
        }

        .featured-card-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(255, 94, 58, 0.35);
        }

        /* Tips Strip */
        .tips-strip {
            background: linear-gradient(135deg, var(--secondary-light), #EDE8FF);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin: 40px 0;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            border: 1px solid #E0D8F5;
        }

        .tips-strip .tips-icon {
            font-size: 2rem;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .tips-strip .tips-text {
            flex: 1;
            font-size: 0.95rem;
            color: var(--secondary);
            font-weight: 500;
            line-height: 1.6;
            min-width: 200px;
        }

        .tips-strip .tips-text strong {
            color: var(--primary);
        }

        /* FAQ Section */
        .faq-section {
            margin: 48px 0 32px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .faq-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }

        .faq-item h4 .faq-q {
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 8px;
            padding-left: 24px;
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #FF7B5F 60%, #FF9A7C 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            margin: 48px 0 16px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            top: -80px;
            right: -60px;
            pointer-events: none;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            bottom: -60px;
            left: -40px;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .cta-section .cta-btn-white {
            padding: 13px 30px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .cta-section .cta-btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }

        .cta-section .cta-btn-outline {
            padding: 13px 30px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition-base);
        }

        .cta-section .cta-btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--text-heading);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            margin-top: auto;
        }

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

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .flogo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            opacity: 0.75;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            opacity: 0.7;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.82rem;
            opacity: 0.55;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .featured-card-large {
                grid-template-columns: 1fr;
            }
            .featured-card-image {
                min-height: 200px;
                max-height: 280px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .header-search-wrap {
                max-width: 280px;
            }
            .header-nav-link {
                padding: 8px 12px;
                font-size: 0.88rem;
            }
            .page-banner-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            .header-nav-links {
                display: none;
            }
            .header-cta-btn {
                display: none;
            }
            .header-mobile-toggle {
                display: flex;
            }
            .mobile-menu-panel {
                display: flex;
            }
            .header-search-wrap {
                max-width: 100%;
                flex: 1;
                min-width: 0;
            }
            .header-inner {
                gap: 10px;
            }
            .header-logo {
                font-size: 1.05rem;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .filter-bar {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .filter-group {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .page-banner {
                padding: 36px 0;
                min-height: 180px;
            }
            .page-banner-title {
                font-size: 1.5rem;
            }
            .page-banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner-stats {
                gap: 16px;
            }
            .featured-card-content {
                padding: 20px;
            }
            .featured-card-content h3 {
                font-size: 1.15rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tips-strip {
                padding: 20px;
                flex-direction: column;
                text-align: center;
            }
            .pagination-wrap {
                gap: 4px;
            }
            .pagination-btn {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-padding: 16px;
            }
            .page-banner-title {
                font-size: 1.3rem;
            }
            .page-banner {
                padding: 28px 0;
                min-height: 150px;
            }
            .section-title {
                font-size: 1.15rem;
            }
            .filter-tag {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .article-card-body {
                padding: 14px;
                gap: 6px;
            }
            .article-card-title {
                font-size: 0.95rem;
            }
            .cta-section .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .cta-section .cta-btn-white,
            .cta-section .cta-btn-outline {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #FF5C35;
            --primary-dark: #E04820;
            --primary-light: #FFF0EB;
            --secondary: #1E2A4F;
            --accent: #FFB800;
            --accent-light: #FFF7E0;
            --success: #00C853;
            --bg: #F5F6FA;
            --surface: #FFFFFF;
            --text: #1a1a2e;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-full: 50px;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --container-narrow: 860px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text); }
        h1 { font-size: 2.25rem; font-weight: 700; }
        h2 { font-size: 1.75rem; font-weight: 700; }
        h3 { font-size: 1.35rem; font-weight: 600; }
        h4 { font-size: 1.1rem; font-weight: 600; }

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

        /* Header & Navigation - 搜索主导 */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            min-height: 64px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }
        .header-logo:hover { color: var(--primary); }
        .header-search-wrap {
            flex: 1 1 280px;
            max-width: 520px;
            min-width: 200px;
            position: relative;
            margin: 0 auto;
        }
        .header-search-wrap form {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 2px solid var(--border);
            border-radius: var(--radius-full);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .header-search-wrap form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px var(--primary-light);
        }
        .header-search-wrap input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 11px 18px;
            font-size: 0.95rem;
            color: var(--text);
            outline: none;
            min-width: 0;
        }
        .header-search-wrap input::placeholder { color: var(--text-muted); }
        .header-search-btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 11px 20px;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition);
            white-space: nowrap;
            border-radius: 0 var(--radius-full) var(--radius-full) 0;
            flex-shrink: 0;
        }
        .header-search-btn:hover { background: var(--primary-dark); }
        .header-search-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .header-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .header-nav-link:hover { color: var(--primary); background: var(--primary-light); }
        .header-nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .header-nav-link:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
        .header-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .header-mobile-toggle:hover { background: var(--bg); }

        /* Main */
        .site-main { flex: 1; }

        /* Article Banner */
        .article-banner {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0 60px;
            color: #fff;
            z-index: 0;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30,42,79,0.88) 0%, rgba(30,42,79,0.75) 40%, rgba(255,92,53,0.55) 100%);
            z-index: 1;
        }
        .article-banner .container-narrow { position: relative; z-index: 2; }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.85); }
        .article-breadcrumb a:hover { color: #fff; text-decoration: underline; }
        .article-breadcrumb .sep { color: rgba(255,255,255,0.5); }
        .article-banner-category {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .article-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.35;
            text-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }
        .article-banner-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: rgba(255,255,255,0.85);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .article-banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner-meta i { color: var(--accent); }

        /* Article Content Layout */
        .article-content-section {
            padding: 48px 0;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }
        .article-body {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            line-height: 1.85;
            font-size: 1.05rem;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 1.5rem;
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            color: var(--secondary);
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin: 24px 0 10px;
            color: var(--secondary);
        }
        .article-body p { margin-bottom: 16px; }
        .article-body img {
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 16px 24px;
            list-style: disc;
        }
        .article-body ol { list-style: decimal; }
        .article-body li { margin-bottom: 8px; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--secondary);
            font-style: italic;
        }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body code {
            background: var(--bg);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-body pre {
            background: var(--secondary);
            color: #e0e0e0;
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 16px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 84px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            margin-bottom: 14px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--primary); }
        .sidebar-related-list { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-related-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px;
            border-radius: var(--radius);
            transition: all var(--transition);
            cursor: pointer;
        }
        .sidebar-related-item:hover { background: var(--bg); }
        .sidebar-related-thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-light);
        }
        .sidebar-related-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-related-info .title {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-related-info .date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, #FF7B55 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .sidebar-cta-card h4 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
        .sidebar-cta-card p { font-size: 0.9rem; opacity: 0.9; margin-bottom: 16px; line-height: 1.5; }
        .btn-sidebar-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-sidebar-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

        /* Related Posts Section */
        .related-posts-section {
            padding: 48px 0 60px;
            background: var(--surface);
            border-top: 1px solid var(--border-light);
        }
        .related-posts-section .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .related-posts-section h2 {
            margin-bottom: 32px;
            color: var(--secondary);
        }
        .related-posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-post-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .related-post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .related-post-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--border-light);
        }
        .related-post-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-post-card-body .cat-tag {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-post-card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.45;
        }
        .related-post-card-body .date {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: auto;
        }
        .related-post-card a { color: inherit; display: flex; flex-direction: column; flex: 1; }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            text-align: center;
            background: linear-gradient(180deg, var(--bg) 0%, #fff 100%);
        }
        .cta-section h2 {
            margin-bottom: 12px;
            color: var(--secondary);
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1.05rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: none;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255,92,53,0.3);
        }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,92,53,0.4); }
        .btn-outline {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover { background: var(--primary-light); }
        .btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 60px 24px;
        }
        .not-found-state .icon-wrap {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-state h2 {
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo i { color: var(--accent); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 280px; }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }
            .article-body { padding: 28px; }
            .related-posts-grid { grid-template-columns: repeat(2, 1fr); }
            h1 { font-size: 2rem; }
            .article-banner h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
                min-height: auto;
                padding: 12px 16px;
            }
            .header-logo { font-size: 1.15rem; }
            .header-search-wrap {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                margin: 0;
            }
            .header-nav-links {
                display: none;
                order: 4;
                flex: 1 1 100%;
                flex-direction: column;
                gap: 2px;
                background: var(--surface);
                border-radius: var(--radius);
                padding: 8px;
                box-shadow: var(--shadow-md);
            }
            .header-nav-links.open { display: flex; }
            .header-mobile-toggle { display: inline-flex; order: 2; }
            .header-nav-link {
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius);
            }
            .article-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-sidebar {
                position: static;
                order: -1;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .sidebar-card, .sidebar-cta-card { flex: 1 1 240px; }
            .article-body { padding: 20px; font-size: 1rem; }
            .article-banner { padding: 50px 0 36px; }
            .article-banner h1 { font-size: 1.6rem; }
            .related-posts-grid { grid-template-columns: 1fr; gap: 16px; }
            .related-post-card-img { height: 160px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-brand { grid-column: 1 / -1; }
            h1 { font-size: 1.75rem; }
            h2 { font-size: 1.4rem; }
        }
        @media (max-width: 520px) {
            .container, .container-narrow { padding: 0 14px; }
            .article-banner h1 { font-size: 1.35rem; }
            .article-banner-meta { font-size: 0.85rem; gap: 12px; }
            .article-body { padding: 16px; border-radius: var(--radius); }
            .cta-section { padding: 40px 0; }
            .btn { padding: 11px 22px; font-size: 0.9rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .related-posts-section { padding: 32px 0 40px; }
            .related-posts-section h2 { font-size: 1.25rem; }
            .article-content-section { padding: 32px 0; }
            .sidebar-card, .sidebar-cta-card { flex: 1 1 100%; }
            .header-search-wrap input { padding: 10px 14px; font-size: 0.9rem; }
            .header-search-btn { padding: 10px 14px; font-size: 0.9rem; }
        }