/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #6C3BFF;
            --primary-dark: #5228CC;
            --primary-light: #8F66FF;
            --primary-ghost: #F0EBFF;
            --secondary: #FF6B35;
            --secondary-dark: #E0552A;
            --accent: #00C9A7;
            --bg-body: #F8F7FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1423;
            --bg-card: #FFFFFF;
            --text-primary: #1A1423;
            --text-secondary: #5A5568;
            --text-muted: #8B86A0;
            --text-white: #FFFFFF;
            --border-light: #E8E5F0;
            --border-medium: #D4CFE0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(108, 59, 255, 0.06);
            --shadow-md: 0 6px 24px rgba(108, 59, 255, 0.10);
            --shadow-lg: 0 16px 48px rgba(108, 59, 255, 0.14);
            --shadow-hover: 0 20px 56px rgba(108, 59, 255, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        /* ===== Container ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== Typography ===== */
        .heading-xxl {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .heading-xl {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.015em;
        }
        .heading-lg {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.3;
        }
        .heading-md {
            font-size: 1.4rem;
            font-weight: 600;
            line-height: 1.4;
        }
        .heading-sm {
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.5;
        }

        .text-body {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .text-small {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 59, 255, 0.30);
        }
        .btn-custom-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 59, 255, 0.40);
        }
        .btn-custom-secondary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.30);
        }
        .btn-custom-secondary:hover {
            background: var(--secondary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.40);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border-medium);
        }
        .btn-custom-outline:hover {
            border-color: var(--primary);
            background: var(--primary-ghost);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-custom-ghost {
            background: var(--primary-ghost);
            color: var(--primary);
        }
        .btn-custom-ghost:hover {
            background: #DDD5FF;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-custom-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-custom-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== Badges & Tags ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--primary-ghost);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-custom-hot {
            background: #FFE8E0;
            color: var(--secondary);
        }
        .badge-custom-new {
            background: #D8FFF2;
            color: #009977;
        }
        .badge-custom-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .card-custom .card-img-top {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .card-custom .card-body {
            padding: 20px 24px 24px;
        }
        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 16px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 48px;
            font-size: 1.05rem;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .heading-xxl {
                font-size: 2rem;
            }
            .heading-xl {
                font-size: 1.7rem;
            }
            .heading-lg {
                font-size: 1.4rem;
            }
            .section-subtitle {
                margin-bottom: 32px;
                font-size: 0.95rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 12px rgba(108, 59, 255, 0.04);
        }
        .site-header .navbar {
            padding: 12px 0;
        }
        .site-header .navbar-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary) !important;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-header .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .site-header .navbar-brand span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .nav-link {
            font-weight: 500;
            color: var(--text-secondary) !important;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .site-header .nav-link:hover {
            color: var(--primary) !important;
            background: var(--primary-ghost);
        }
        .site-header .nav-link.active {
            color: var(--primary) !important;
            background: var(--primary-ghost);
            font-weight: 600;
        }
        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .site-header .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-md);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(108, 59, 255, 0.25);
        }
        .site-header .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 59, 255, 0.35);
        }
        .site-header .nav-search {
            border: 1px solid var(--border-light);
            border-radius: 50px;
            background: var(--bg-body);
            padding: 6px 16px 6px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .site-header .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 59, 255, 0.10);
        }
        .site-header .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-primary);
            min-width: 120px;
        }
        .site-header .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .site-header .nav-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius-md);
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-light);
            }
            .site-header .nav-search {
                width: 100%;
                margin: 8px 0 12px;
            }
            .site-header .nav-search input {
                width: 100%;
            }
            .site-header .nav-link.active::after {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, #1A1423 0%, #2D1B69 50%, #1A1423 100%);
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 59, 255, 0.20) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-section .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
        }
        .hero-section .hero-title {
            color: #fff;
            font-size: 3.6rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-section .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-section .hero-desc {
            color: rgba(255, 255, 255, 0.70);
            font-size: 1.15rem;
            max-width: 560px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-section .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-section .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-section .hero-stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-section .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 64px;
                min-height: auto;
            }
            .hero-section .hero-title {
                font-size: 2.2rem;
            }
            .hero-section .hero-desc {
                font-size: 1rem;
            }
            .hero-section .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-section .hero-stat-item .stat-number {
                font-size: 1.4rem;
            }
        }

        /* ===== Feature / Service Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--primary-ghost);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-card .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card .feature-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Category Grid ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            display: block;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            text-decoration: none;
        }
        .category-card .cat-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .category-card .cat-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .category-card .cat-count {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Content / Post Cards ===== */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .post-card .post-thumb {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .post-card .post-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card .post-category {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--primary-ghost);
            color: var(--primary);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .post-card .post-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .post-card .post-title a {
            color: inherit;
            text-decoration: none;
        }
        .post-card .post-title a:hover {
            color: var(--primary);
        }
        .post-card .post-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .post-card .post-meta i {
            margin-right: 4px;
        }

        /* ===== Stats / Data Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        /* ===== Steps / Flow ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-item .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: 0 6px 20px rgba(108, 59, 255, 0.25);
        }
        .step-item .step-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .step-item .step-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            font-weight: 600;
            font-size: 1.02rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            color: var(--text-primary);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            margin-top: 12px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .cta-section .btn-custom-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .cta-section .btn-custom-white:hover {
            background: var(--primary-ghost);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.20);
        }
        .cta-section .btn-custom-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.40);
        }
        .cta-section .btn-custom-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-md);
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 60px 0 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.50);
            max-width: 360px;
            line-height: 1.8;
        }
        .site-footer .footer-heading {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.50);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

        /* ===== Empty State ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
        }
        .empty-state i {
            font-size: 2.4rem;
            margin-bottom: 16px;
            color: var(--border-medium);
        }
        .empty-state p {
            font-size: 0.95rem;
        }

        /* ===== Misc ===== */
        .bg-soft-primary {
            background: var(--primary-ghost);
        }
        .bg-white {
            background: var(--bg-white);
        }
        .divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 24px;
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }
        .shadow-custom {
            box-shadow: var(--shadow-md);
        }

        /* ===== Focus Visible ===== */
        :focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-medium);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #6C5CE7;
            --color-primary-dark: #5A4BD1;
            --color-primary-light: #A29BFE;
            --color-secondary: #00B894;
            --color-secondary-dark: #00A381;
            --color-accent: #FDCB6E;
            --color-dark: #1a1a2e;
            --color-dark-alt: #16213E;
            --color-bg: #F8F9FA;
            --color-bg-alt: #FFFFFF;
            --color-text: #2D3436;
            --color-text-weak: #636E72;
            --color-text-inverse: #FFFFFF;
            --color-border: #DFE6E9;
            --color-border-light: #EDF0F2;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 8px 30px rgba(108,92,231,0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --spacer: 24px;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        button, input, textarea { font-family: var(--font-sans); font-size: 1rem; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--color-dark); font-weight: 700; }

        /* ===== Container ===== */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacer);
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.92);
            box-shadow: var(--shadow-sm);
        }
        .site-header .navbar {
            padding: 14px 0;
            min-height: 72px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -0.5px;
        }
        .navbar-brand:hover { color: var(--color-primary); }
        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(108,92,231,0.3);
        }
        .nav-link {
            font-weight: 500;
            color: var(--color-text-weak) !important;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            font-size: 0.95rem;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--color-primary) !important;
            background: rgba(108,92,231,0.06);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 4px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            padding: 6px 16px;
            transition: all var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(108,92,231,0.12);
        }
        .nav-search i { color: var(--color-text-weak); font-size: 0.9rem; }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            min-width: 140px;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .nav-search input::placeholder { color: var(--color-text-weak); }
        .navbar-toggler { color: var(--color-dark); font-size: 1.4rem; padding: 4px 8px; }
        .navbar-toggler:focus { box-shadow: none; }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            border: none;
            border-radius: 100px;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            font-size: 0.95rem;
            padding: 12px 28px;
        }
        .btn-custom:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; }
        .btn-custom-sm { padding: 8px 20px; font-size: 0.85rem; }
        .btn-custom-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            box-shadow: 0 4px 14px rgba(108,92,231,0.35);
        }
        .btn-custom-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108,92,231,0.45);
            color: #fff;
        }
        .btn-custom-primary:active { transform: translateY(0); }
        .btn-custom-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-custom-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-custom-secondary {
            background: var(--color-bg-alt);
            color: var(--color-dark);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .btn-custom-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26,26,46,0.92) 0%, rgba(26,26,46,0.60) 100%);
        }
        .article-hero .container-custom { position: relative; z-index: 2; }
        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            margin-bottom: 24px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.8); transition: color var(--transition); }
        .article-breadcrumb a:hover { color: #fff; }
        .article-breadcrumb .sep { color: rgba(255,255,255,0.4); margin: 0 4px; }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            max-width: 900px;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-category {
            background: var(--color-primary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
        }
        .article-meta i { font-size: 0.85rem; opacity: 0.7; }

        /* ===== Article Body ===== */
        .article-body-wrap {
            padding: 60px 0 40px;
        }
        .article-main {
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 52px;
            margin-bottom: 40px;
        }
        .article-cover {
            margin-bottom: 36px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-cover img {
            width: 100%;
            height: auto;
            max-height: 520px;
            object-fit: cover;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-content p {
            margin-bottom: 1.4em;
        }
        .article-content h2, .article-content h3 {
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: var(--color-dark);
        }
        .article-content h2 { font-size: 1.7rem; }
        .article-content h3 { font-size: 1.35rem; }
        .article-content ul, .article-content ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-content ul { list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li { margin-bottom: 0.4em; }
        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-bg);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.6em 0;
            color: var(--color-text-weak);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.6em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover { color: var(--color-primary-dark); }

        /* ===== Tags & Share ===== */
        .article-tags-share {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition);
            text-decoration: none;
        }
        .tag:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .share-links {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .share-links .share-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text-weak);
            transition: all var(--transition);
            text-decoration: none;
            font-size: 1rem;
        }
        .share-btn:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 40px 0 60px;
        }
        .related-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 32px;
            position: relative;
            display: inline-block;
        }
        .related-section h2::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 4px;
        }
        .related-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary-light);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-cat {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(108,92,231,0.08);
            padding: 3px 12px;
            border-radius: 100px;
            margin-bottom: 10px;
        }
        .related-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .related-card .card-title a { color: inherit; }
        .related-card .card-title a:hover { color: var(--color-primary); }
        .related-card .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== CTA Section ===== */
        .article-cta {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .article-cta .container-custom { position: relative; z-index: 2; }
        .article-cta .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .article-cta .cta-desc {
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .article-cta .btn-custom {
            font-size: 1.05rem;
            padding: 14px 36px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255,255,255,0.7);
            padding: 64px 0 32px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255,255,255,0.55);
        }
        .site-footer .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 4px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            transition: all var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
            padding-left: 4px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            font-size: 1.1rem;
            transition: all var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-social a:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== 文章不存在 ===== */
        .not-found-wrap {
            padding: 100px 0;
            text-align: center;
        }
        .not-found-wrap .nf-icon {
            font-size: 4rem;
            color: var(--color-primary-light);
            margin-bottom: 24px;
        }
        .not-found-wrap h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .not-found-wrap p {
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2.2rem; }
            .article-main { padding: 36px 32px; }
        }
        @media (max-width: 768px) {
            .article-hero { padding: 60px 0 40px; min-height: 280px; }
            .article-hero h1 { font-size: 1.7rem; }
            .article-main { padding: 24px 20px; border-radius: var(--radius-md); }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .article-content { font-size: 0.98rem; }
            .article-tags-share { flex-direction: column; align-items: flex-start; }
            .related-card .card-img { height: 160px; }
            .article-cta .cta-title { font-size: 1.5rem; }
            .site-footer { padding: 40px 0 24px; }
            .site-footer .footer-brand { font-size: 1.2rem; }
            .navbar-brand { font-size: 1.25rem; }
            .nav-search input { min-width: 100px; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.35rem; }
            .article-hero { padding: 40px 0 30px; min-height: 220px; }
            .article-main { padding: 16px 14px; }
            .article-content { font-size: 0.92rem; }
            .article-breadcrumb { font-size: 0.75rem; }
            .related-card .card-img { height: 140px; }
            .related-card .card-body { padding: 14px 16px 18px; }
            .related-card .card-title { font-size: 0.95rem; }
            .article-cta .cta-title { font-size: 1.2rem; }
            .btn-custom { padding: 10px 20px; font-size: 0.85rem; }
            .nav-search input { min-width: 80px; font-size: 0.8rem; }
            .navbar-brand { font-size: 1.1rem; }
            .navbar-brand .brand-icon { width: 32px; height: 32px; font-size: 0.95rem; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c3fc6;
            --primary-dark: #542ca3;
            --primary-light: #8b6ad6;
            --primary-bg: #f3eefc;
            --secondary: #ff6b35;
            --secondary-light: #ff8f62;
            --accent: #00c9a7;
            --accent-dark: #00a88b;
            --bg-light: #f8f7fc;
            --bg-dark: #1a1a2e;
            --bg-mid: #2d2d44;
            --text-dark: #1a1a2e;
            --text-body: #3d3d5c;
            --text-muted: #7a7a9a;
            --text-light: #f0eeff;
            --border-light: #e8e5f0;
            --border-mid: #d4cfe6;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(108, 63, 198, 0.08);
            --shadow-md: 0 8px 30px rgba(108, 63, 198, 0.12);
            --shadow-lg: 0 16px 50px rgba(108, 63, 198, 0.18);
            --shadow-hover: 0 20px 60px rgba(108, 63, 198, 0.25);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== Container ===== */
        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Site Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 20px rgba(108, 63, 198, 0.06);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 0;
            min-height: var(--header-height);
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            padding: 0;
        }
        .site-header .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(108, 63, 198, 0.3);
        }
        .site-header .navbar-brand:hover .brand-icon {
            transform: scale(1.05);
        }
        .site-header .navbar-brand:hover {
            color: var(--text-dark);
        }
        .site-header .navbar-nav .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .site-header .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .site-header .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 6px 16px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 63, 198, 0.15);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            min-width: 120px;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            border: none;
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }
        .btn-custom:focus {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-custom-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 63, 198, 0.3);
        }
        .btn-custom-primary:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 63, 198, 0.4);
        }
        .btn-custom-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(108, 63, 198, 0.2);
        }
        .btn-custom-secondary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
        }
        .btn-custom-secondary:hover {
            background: var(--secondary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.4);
        }
        .btn-custom-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-custom-md {
            padding: 12px 32px;
            font-size: 1rem;
        }
        .btn-custom-lg {
            padding: 16px 44px;
            font-size: 1.1rem;
        }
        .btn-custom-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-custom-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .nav-cta {
            white-space: nowrap;
        }
        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: #fff;
                padding: 20px 16px;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                margin-top: 8px;
                border: 1px solid var(--border-light);
            }
            .site-header .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .site-header .navbar-nav .nav-link.active::after {
                bottom: 4px;
            }
            .nav-search {
                width: 100%;
                margin: 8px 0;
            }
            .nav-search input {
                flex: 1;
                min-width: 0;
            }
            .nav-cta {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 576px) {
            .site-header .navbar-brand {
                font-size: 1.2rem;
            }
            .site-header .navbar-brand .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-mid) 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }
        .category-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(108, 63, 198, 0.25) 0%, transparent 70%);
            z-index: 1;
        }
        .category-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .category-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 18px;
            border-radius: 50px;
            color: var(--text-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .category-banner .banner-badge i {
            color: var(--accent);
        }
        .category-banner h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .category-banner h1 span {
            background: linear-gradient(135deg, var(--accent), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .category-banner .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 12px;
        }
        .category-banner .banner-stats .stat-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .category-banner .banner-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .category-banner .banner-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 768px) {
            .category-banner {
                padding: 60px 0 50px;
                min-height: 260px;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .category-banner p {
                font-size: 1rem;
            }
            .category-banner .banner-stats {
                gap: 20px;
            }
            .category-banner .banner-stats .stat-number {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 576px) {
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner .banner-stats {
                gap: 16px;
            }
            .category-banner .banner-stats .stat-item {
                min-width: 80px;
            }
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: #fff;
        }
        .section-block-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-block-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-title-light {
            color: #fff;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 580px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .section-desc-light {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin-bottom: 24px;
        }
        .section-divider-center {
            margin-left: auto;
            margin-right: auto;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ===== Card Common ===== */
        .card-custom {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-light);
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-custom .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 10px rgba(108, 63, 198, 0.3);
        }
        .card-custom .card-img-wrap .card-tag-hot {
            background: var(--secondary);
        }
        .card-custom .card-img-wrap .card-tag-new {
            background: var(--accent);
        }
        .card-custom .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .card-custom .card-meta i {
            margin-right: 4px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-custom:hover .card-title {
            color: var(--primary);
        }
        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .card-custom .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .card-custom .card-footer-link i {
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .card-custom .card-footer-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== Tag / Badge ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-item:hover,
        .tag-item.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(108, 63, 198, 0.25);
        }
        .tag-item i {
            font-size: 0.8rem;
        }
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--primary-bg);
            color: var(--primary);
        }
        .badge-custom-hot {
            background: #fff3ed;
            color: var(--secondary);
        }
        .badge-custom-new {
            background: #e6faf5;
            color: var(--accent);
        }

        /* ===== Featured Post ===== */
        .featured-post {
            display: flex;
            flex-wrap: wrap;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .featured-post:hover {
            box-shadow: var(--shadow-hover);
        }
        .featured-post .featured-img {
            flex: 1 1 50%;
            min-height: 320px;
            background: var(--bg-light);
            overflow: hidden;
        }
        .featured-post .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-post:hover .featured-img img {
            transform: scale(1.03);
        }
        .featured-post .featured-content {
            flex: 1 1 50%;
            padding: 40px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-post .featured-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            align-self: flex-start;
        }
        .featured-post .featured-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .featured-post .featured-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .featured-post .featured-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .featured-post .featured-img {
                flex: 1 1 100%;
                min-height: 220px;
            }
            .featured-post .featured-content {
                flex: 1 1 100%;
                padding: 28px 24px;
            }
            .featured-post .featured-title {
                font-size: 1.2rem;
            }
        }

        /* ===== Sub Category Tabs ===== */
        .subcategory-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 16px;
        }
        .subcategory-tabs .tab-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }
        .subcategory-tabs .tab-link:hover {
            background: var(--primary-bg);
            color: var(--primary);
            border-color: var(--border-light);
        }
        .subcategory-tabs .tab-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(108, 63, 198, 0.25);
        }
        .subcategory-tabs .tab-link i {
            font-size: 0.85rem;
        }
        @media (max-width: 576px) {
            .subcategory-tabs .tab-link {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-dark);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            margin-top: 14px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-mid));
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-block .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .cta-block p {
                font-size: 0.95rem;
            }
        }

        /* ===== Pagination ===== */
        .pagination-custom {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: #fff;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .pagination-custom .page-link:hover {
            background: var(--primary-bg);
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .pagination-custom .page-link.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(108, 63, 198, 0.25);
        }
        .pagination-custom .page-link i {
            font-size: 0.8rem;
        }

        /* ===== Site Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.1rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .site-footer .footer-heading {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .site-footer .footer-links a::before {
            content: '';
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover::before {
            width: 12px;
        }
        .site-footer .footer-social {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }
        .site-footer .footer-social a {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(108, 63, 198, 0.3);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 44px 0 0;
            }
            .site-footer .footer-brand {
                font-size: 1.2rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-soft-primary {
            background: var(--primary-bg);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .shadow-hover {
            transition: var(--transition);
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }

        /* ===== Responsive Grid Enhancements ===== */
        @media (max-width: 768px) {
            .row.g-4>[class*="col-"] {
                margin-bottom: 16px;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .card-custom .card-body {
                padding: 16px 16px 20px;
            }
            .card-custom .card-title {
                font-size: 1rem;
            }
        }

        /* ===== Fade In Animation ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 0.6s ease forwards;
        }
        .fade-in-delay-1 {
            animation-delay: 0.1s;
        }
        .fade-in-delay-2 {
            animation-delay: 0.2s;
        }
        .fade-in-delay-3 {
            animation-delay: 0.3s;
        }
        .fade-in-delay-4 {
            animation-delay: 0.4s;
        }
        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Scroll Margin for Anchor ===== */
        .anchor-offset {
            scroll-margin-top: calc(var(--header-height) + 20px);
        }