/* roulang page: index */
/* ===== Design Variables ===== */
    :root {
        /* Colors */
        --color-primary: #0f2b4a;
        --color-primary-light: #1a3f66;
        --color-primary-dark: #0a1e33;
        --color-secondary: #c9a84c;
        --color-secondary-light: #e0c56a;
        --color-secondary-dark: #a88a30;
        --color-accent: #e85d3a;
        --color-accent-light: #f07a5a;
        --color-bg: #faf8f5;
        --color-bg-alt: #f0ece6;
        --color-bg-card: #ffffff;
        --color-text: #1e1e1e;
        --color-text-light: #5a5a5a;
        --color-text-lighter: #8a8a8a;
        --color-border: #e0d8ce;
        --color-border-light: #f0ebe4;
        --color-success: #2a8a5e;
        --color-warning: #d4a843;
        --color-error: #c0392b;
        --color-white: #ffffff;
        --color-overlay: rgba(15, 43, 74, 0.82);

        /* Typography */
        --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        --font-serif: 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
        --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
        --fs-xs: 0.75rem;
        --fs-sm: 0.875rem;
        --fs-base: 1rem;
        --fs-md: 1.125rem;
        --fs-lg: 1.375rem;
        --fs-xl: 1.75rem;
        --fs-2xl: 2.25rem;
        --fs-3xl: 3rem;
        --fs-4xl: 3.75rem;
        --lh-tight: 1.2;
        --lh-normal: 1.6;
        --lh-loose: 1.8;

        /* Spacing */
        --space-xs: 0.375rem;
        --space-sm: 0.75rem;
        --space-md: 1.25rem;
        --space-lg: 2rem;
        --space-xl: 3rem;
        --space-2xl: 4.5rem;
        --space-3xl: 6rem;
        --section-padding: 5rem 0;

        /* Borders & Radius */
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --radius-full: 9999px;
        --border-width: 1px;

        /* Shadows */
        --shadow-sm: 0 2px 8px rgba(15, 43, 74, 0.06);
        --shadow-md: 0 6px 24px rgba(15, 43, 74, 0.08);
        --shadow-lg: 0 12px 40px rgba(15, 43, 74, 0.12);
        --shadow-xl: 0 24px 60px rgba(15, 43, 74, 0.16);
        --shadow-glow: 0 0 30px rgba(201, 168, 76, 0.25);

        /* Transitions */
        --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

        /* Layout */
        --container-max: 1200px;
        --container-narrow: 900px;
        --header-height: 72px;
        --header-scroll-height: 60px;
    }

    /* ===== 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: var(--fs-base);
        line-height: var(--lh-normal);
        color: var(--color-text);
        background: var(--color-bg);
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
    a:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; border-radius: 2px; }
    button { cursor: pointer; font-family: inherit; border: none; background: none; transition: all var(--transition-fast); }
    button:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; border-radius: var(--radius-sm); }
    input, textarea, select { font-family: inherit; font-size: var(--fs-base); border: var(--border-width) solid var(--color-border); border-radius: var(--radius-sm); padding: 0.75rem 1rem; background: var(--color-white); transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
    input:focus, textarea:focus, select:focus { outline: none; border-color: var(--color-secondary); box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15); }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: var(--lh-tight); color: var(--color-primary); }

    /* ===== Container ===== */
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-lg); }
    .container-narrow { max-width: var(--container-narrow); }

    /* ===== Utility ===== */
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
    .text-center { text-align: center; }
    .text-secondary { color: var(--color-secondary); }
    .text-light { color: var(--color-text-light); }
    .text-lighter { color: var(--color-text-lighter); }
    .section-label {
        display: inline-block;
        font-size: var(--fs-sm);
        font-weight: 600;
        letter-spacing: 2px;
        text-transform: uppercase;
        color: var(--color-secondary);
        margin-bottom: var(--space-sm);
        position: relative;
    }
    .section-label::after {
        content: '';
        display: block;
        width: 40px;
        height: 3px;
        background: var(--color-secondary);
        margin-top: 6px;
        border-radius: 2px;
    }
    .text-center .section-label::after { margin-left: auto; margin-right: auto; }
    .section-title {
        font-size: var(--fs-2xl);
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: var(--space-md);
        letter-spacing: -0.02em;
    }
    .section-subtitle {
        font-size: var(--fs-md);
        color: var(--color-text-light);
        max-width: 640px;
        line-height: var(--lh-loose);
    }
    .text-center .section-subtitle { margin-left: auto; margin-right: auto; }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.85rem 2rem;
        font-size: var(--fs-sm);
        font-weight: 600;
        line-height: 1.2;
        border-radius: var(--radius-full);
        transition: all var(--transition-base);
        border: 2px solid transparent;
        letter-spacing: 0.01em;
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
    }
    .btn-primary:hover {
        background: var(--color-primary-light);
        border-color: var(--color-primary-light);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-sm);
    }
    .btn-secondary {
        background: var(--color-secondary);
        color: var(--color-primary-dark);
        border-color: var(--color-secondary);
    }
    .btn-secondary:hover {
        background: var(--color-secondary-light);
        border-color: var(--color-secondary-light);
        transform: translateY(-2px);
        box-shadow: var(--shadow-glow);
    }
    .btn-secondary:active {
        transform: translateY(0);
    }
    .btn-outline {
        background: transparent;
        color: var(--color-primary);
        border-color: var(--color-primary);
    }
    .btn-outline:hover {
        background: var(--color-primary);
        color: var(--color-white);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    .btn-outline:active {
        transform: translateY(0);
    }
    .btn-white {
        background: var(--color-white);
        color: var(--color-primary);
        border-color: var(--color-white);
    }
    .btn-white:hover {
        background: rgba(255,255,255,0.9);
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }
    .btn-lg { padding: 1.1rem 2.8rem; font-size: var(--fs-md); }
    .btn-sm { padding: 0.55rem 1.2rem; font-size: var(--fs-xs); }
    .btn i { font-size: 0.9em; }

    /* ===== Tags / Badges ===== */
    .tag {
        display: inline-block;
        padding: 0.25rem 0.85rem;
        font-size: var(--fs-xs);
        font-weight: 600;
        border-radius: var(--radius-full);
        background: rgba(201, 168, 76, 0.12);
        color: var(--color-secondary-dark);
        letter-spacing: 0.02em;
        transition: all var(--transition-fast);
    }
    .tag-primary {
        background: rgba(15, 43, 74, 0.08);
        color: var(--color-primary);
    }
    .tag-accent {
        background: rgba(232, 93, 58, 0.1);
        color: var(--color-accent);
    }
    .tag-success {
        background: rgba(42, 138, 94, 0.1);
        color: var(--color-success);
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        padding: 0.15rem 0.7rem;
        font-size: var(--fs-xs);
        font-weight: 600;
        border-radius: var(--radius-sm);
        background: var(--color-secondary);
        color: var(--color-primary-dark);
    }
    .badge i { font-size: 0.7rem; }

    /* ===== Header & Navigation ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: var(--header-height);
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: var(--border-width) solid var(--color-border-light);
        transition: all var(--transition-base);
    }
    .site-header.scrolled {
        height: var(--header-scroll-height);
        box-shadow: var(--shadow-sm);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 var(--space-lg);
    }
    .site-logo {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: var(--fs-lg);
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: -0.02em;
        flex-shrink: 0;
    }
    .site-logo .logo-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--color-primary);
        color: var(--color-secondary);
        border-radius: var(--radius-sm);
        font-size: var(--fs-md);
    }
    .site-logo .logo-text { white-space: nowrap; }
    .site-logo:hover { color: var(--color-primary); }

    .nav-main {
        display: flex;
        align-items: center;
        gap: var(--space-xs);
    }
    .nav-main a {
        position: relative;
        padding: 0.5rem 1.1rem;
        font-size: var(--fs-sm);
        font-weight: 500;
        color: var(--color-text-light);
        border-radius: var(--radius-full);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .nav-main a:hover {
        color: var(--color-primary);
        background: rgba(15, 43, 74, 0.05);
    }
    .nav-main a.active {
        color: var(--color-white);
        background: var(--color-primary);
        font-weight: 600;
    }
    .nav-main a.active:hover {
        background: var(--color-primary-light);
    }
    .nav-cta {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        flex-shrink: 0;
    }
    .nav-cta .btn { padding: 0.5rem 1.3rem; font-size: var(--fs-sm); }

    /* Mobile menu toggle */
    .menu-toggle {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        background: transparent;
        gap: 5px;
        padding: 4px;
    }
    .menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        transition: all var(--transition-base);
    }
    .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ===== Hero Section ===== */
    .hero {
        position: relative;
        min-height: 85vh;
        display: flex;
        align-items: center;
        padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-2xl);
        background: var(--color-primary-dark);
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.35;
        transform: scale(1.05);
        transition: transform 8s ease;
    }
    .hero:hover .hero-bg { transform: scale(1); }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(15,43,74,0.92) 0%, rgba(15,43,74,0.6) 50%, rgba(15,43,74,0.88) 100%);
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 720px;
    }
    .hero-tag {
        display: inline-block;
        padding: 0.3rem 1rem;
        font-size: var(--fs-xs);
        font-weight: 600;
        letter-spacing: 2px;
        color: var(--color-secondary);
        background: rgba(201, 168, 76, 0.15);
        border-radius: var(--radius-full);
        margin-bottom: var(--space-md);
        text-transform: uppercase;
    }
    .hero-title {
        font-size: var(--fs-4xl);
        font-weight: 800;
        color: var(--color-white);
        line-height: 1.1;
        letter-spacing: -0.02em;
        margin-bottom: var(--space-lg);
    }
    .hero-title .highlight { color: var(--color-secondary); }
    .hero-desc {
        font-size: var(--fs-lg);
        color: rgba(255,255,255,0.8);
        line-height: var(--lh-loose);
        max-width: 560px;
        margin-bottom: var(--space-xl);
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-md);
        align-items: center;
    }
    .hero-stat {
        display: flex;
        align-items: center;
        gap: var(--space-lg);
        margin-top: var(--space-xl);
        padding-top: var(--space-lg);
        border-top: 1px solid rgba(255,255,255,0.12);
    }
    .hero-stat-item {
        text-align: center;
    }
    .hero-stat-item .num {
        font-size: var(--fs-2xl);
        font-weight: 800;
        color: var(--color-secondary);
        display: block;
    }
    .hero-stat-item .label {
        font-size: var(--fs-sm);
        color: rgba(255,255,255,0.6);
        margin-top: 2px;
    }

    /* ===== Sections Common ===== */
    .section { padding: var(--section-padding); }
    .section-alt { background: var(--color-bg-alt); }
    .section-dark {
        background: var(--color-primary);
        color: rgba(255,255,255,0.85);
    }
    .section-dark .section-title { color: var(--color-white); }
    .section-dark .section-subtitle { color: rgba(255,255,255,0.7); }
    .section-header {
        text-align: center;
        margin-bottom: var(--space-2xl);
    }
    .section-header .section-label::after { margin: 6px auto 0; }

    /* ===== Intro / Feature Grid ===== */
    .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

    .intro-block {
        display: flex;
        flex-direction: column;
        gap: var(--space-lg);
    }
    .intro-text .lead {
        font-size: var(--fs-lg);
        font-weight: 600;
        color: var(--color-primary);
        margin-bottom: var(--space-md);
    }
    .intro-text p { color: var(--color-text-light); margin-bottom: var(--space-sm); line-height: var(--lh-loose); }
    .intro-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }
    .intro-image img { width: 100%; height: 100%; object-fit: cover; }

    /* ===== Feature Cards ===== */
    .feature-card {
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        padding: var(--space-xl) var(--space-lg);
        box-shadow: var(--shadow-sm);
        border: var(--border-width) solid var(--color-border-light);
        transition: all var(--transition-base);
        text-align: center;
    }
    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(201, 168, 76, 0.3);
    }
    .feature-card .icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 64px;
        height: 64px;
        border-radius: var(--radius-md);
        background: rgba(15, 43, 74, 0.06);
        color: var(--color-primary);
        font-size: var(--fs-xl);
        margin-bottom: var(--space-md);
        transition: all var(--transition-base);
    }
    .feature-card:hover .icon {
        background: var(--color-primary);
        color: var(--color-secondary);
        transform: scale(1.05);
    }
    .feature-card h3 {
        font-size: var(--fs-md);
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: var(--space-sm);
    }
    .feature-card p {
        font-size: var(--fs-sm);
        color: var(--color-text-light);
        line-height: var(--lh-loose);
    }

    /* ===== Category Entry ===== */
    .category-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-lg);
    }
    .category-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        background: var(--color-bg-card);
        box-shadow: var(--shadow-sm);
        border: var(--border-width) solid var(--color-border-light);
        transition: all var(--transition-base);
        cursor: pointer;
    }
    .category-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .category-card .card-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }
    .category-card .card-body {
        padding: var(--space-lg);
    }
    .category-card .card-body h3 {
        font-size: var(--fs-md);
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: var(--space-xs);
    }
    .category-card .card-body p {
        font-size: var(--fs-sm);
        color: var(--color-text-light);
        line-height: var(--lh-loose);
    }
    .category-card .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--space-md) var(--space-lg);
        border-top: var(--border-width) solid var(--color-border-light);
        font-size: var(--fs-sm);
        color: var(--color-text-lighter);
    }
    .category-card .card-footer .arrow {
        color: var(--color-secondary);
        font-weight: 600;
        transition: transform var(--transition-fast);
    }
    .category-card:hover .card-footer .arrow { transform: translateX(4px); }

    /* ===== News / Content List ===== */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        gap: var(--space-lg);
    }
    .news-card {
        display: flex;
        flex-direction: column;
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: var(--border-width) solid var(--color-border-light);
        transition: all var(--transition-base);
    }
    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .news-card .card-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        flex-shrink: 0;
    }
    .news-card .card-content {
        padding: var(--space-lg);
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .news-card .card-meta {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        margin-bottom: var(--space-sm);
    }
    .news-card .card-meta .tag { font-size: 0.65rem; }
    .news-card .card-meta time {
        font-size: var(--fs-xs);
        color: var(--color-text-lighter);
    }
    .news-card h3 {
        font-size: var(--fs-md);
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: var(--space-sm);
        line-height: var(--lh-tight);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-card p {
        font-size: var(--fs-sm);
        color: var(--color-text-light);
        line-height: var(--lh-loose);
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: var(--space-sm);
    }
    .news-card .read-more {
        font-size: var(--fs-sm);
        font-weight: 600;
        color: var(--color-secondary-dark);
        display: flex;
        align-items: center;
        gap: 0.3rem;
        margin-top: auto;
        transition: gap var(--transition-fast);
    }
    .news-card:hover .read-more { gap: 0.6rem; }
    .empty-tip {
        grid-column: 1 / -1;
        text-align: center;
        padding: var(--space-2xl) var(--space-lg);
        color: var(--color-text-lighter);
        font-size: var(--fs-md);
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        border: var(--border-width) dashed var(--color-border);
    }

    /* ===== Stats / Numbers ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-lg);
    }
    .stat-item {
        text-align: center;
        padding: var(--space-lg);
        background: rgba(255,255,255,0.06);
        border-radius: var(--radius-lg);
        border: 1px solid rgba(255,255,255,0.08);
        transition: all var(--transition-base);
    }
    .stat-item:hover {
        background: rgba(255,255,255,0.1);
        transform: translateY(-2px);
    }
    .stat-item .num {
        font-size: var(--fs-3xl);
        font-weight: 800;
        color: var(--color-secondary);
        display: block;
        line-height: 1;
    }
    .stat-item .num i { font-size: 0.6em; vertical-align: super; }
    .stat-item .label {
        font-size: var(--fs-sm);
        color: rgba(255,255,255,0.7);
        margin-top: var(--space-sm);
        display: block;
    }

    /* ===== Process / Timeline ===== */
    .process-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: var(--space-lg);
        counter-reset: step;
    }
    .process-step {
        position: relative;
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        padding: var(--space-xl) var(--space-lg);
        box-shadow: var(--shadow-sm);
        border: var(--border-width) solid var(--color-border-light);
        text-align: center;
        transition: all var(--transition-base);
    }
    .process-step:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
    .process-step .step-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--color-primary);
        color: var(--color-secondary);
        font-size: var(--fs-lg);
        font-weight: 800;
        margin-bottom: var(--space-md);
        transition: all var(--transition-base);
    }
    .process-step:hover .step-num {
        background: var(--color-secondary);
        color: var(--color-primary-dark);
        transform: scale(1.08);
    }
    .process-step h4 {
        font-size: var(--fs-md);
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: var(--space-xs);
    }
    .process-step p {
        font-size: var(--fs-sm);
        color: var(--color-text-light);
        line-height: var(--lh-loose);
    }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 780px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    .faq-item {
        background: var(--color-bg-card);
        border-radius: var(--radius-md);
        border: var(--border-width) solid var(--color-border-light);
        overflow: hidden;
        transition: all var(--transition-fast);
    }
    .faq-item:hover { border-color: rgba(201, 168, 76, 0.3); }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: var(--space-md) var(--space-lg);
        font-size: var(--fs-base);
        font-weight: 600;
        color: var(--color-primary);
        text-align: left;
        background: transparent;
        gap: var(--space-md);
    }
    .faq-question i {
        font-size: var(--fs-sm);
        color: var(--color-secondary);
        transition: transform var(--transition-base);
        flex-shrink: 0;
    }
    .faq-item.open .faq-question i { transform: rotate(180deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base), padding var(--transition-base);
        padding: 0 var(--space-lg);
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        padding: 0 var(--space-lg) var(--space-lg);
    }
    .faq-answer p {
        font-size: var(--fs-sm);
        color: var(--color-text-light);
        line-height: var(--lh-loose);
    }

    /* ===== CTA Section ===== */
    .cta-section {
        background: var(--color-primary);
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-blend-mode: overlay;
        position: relative;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(15,43,74,0.88) 0%, rgba(15,43,74,0.7) 100%);
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-content { text-align: center; }
    .cta-content h2 {
        font-size: var(--fs-2xl);
        color: var(--color-white);
        margin-bottom: var(--space-md);
    }
    .cta-content p {
        font-size: var(--fs-md);
        color: rgba(255,255,255,0.75);
        max-width: 560px;
        margin: 0 auto var(--space-xl);
        line-height: var(--lh-loose);
    }
    .cta-content .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-md);
        justify-content: center;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--color-primary-dark);
        color: rgba(255,255,255,0.7);
        padding: var(--space-2xl) 0 var(--space-lg);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-xl);
        padding-bottom: var(--space-xl);
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .site-logo { color: var(--color-white); margin-bottom: var(--space-md); }
    .footer-brand .site-logo .logo-icon { background: var(--color-secondary); color: var(--color-primary-dark); }
    .footer-brand p {
        font-size: var(--fs-sm);
        line-height: var(--lh-loose);
        max-width: 300px;
    }
    .footer-col h4 {
        font-size: var(--fs-sm);
        font-weight: 700;
        color: var(--color-white);
        margin-bottom: var(--space-md);
        letter-spacing: 0.5px;
    }
    .footer-col ul li { margin-bottom: var(--space-xs); }
    .footer-col ul li a {
        font-size: var(--fs-sm);
        color: rgba(255,255,255,0.6);
        transition: all var(--transition-fast);
    }
    .footer-col ul li a:hover { color: var(--color-secondary); padding-left: 3px; }
    .footer-bottom {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
        padding-top: var(--space-lg);
        text-align: center;
        font-size: var(--fs-sm);
        color: rgba(255,255,255,0.4);
    }
    .footer-bottom a { color: rgba(255,255,255,0.5); }
    .footer-bottom a:hover { color: var(--color-secondary); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        :root { --fs-4xl: 3rem; --fs-3xl: 2.4rem; --fs-2xl: 1.9rem; }
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .footer-top { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
        :root {
            --fs-4xl: 2.4rem;
            --fs-3xl: 2rem;
            --fs-2xl: 1.6rem;
            --fs-xl: 1.4rem;
            --section-padding: 3.5rem 0;
            --header-height: 64px;
        }
        .container { padding: 0 var(--space-md); }

        /* Navigation mobile */
        .nav-main {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            flex-direction: column;
            padding: var(--space-md);
            gap: var(--space-xs);
            border-bottom: var(--border-width) solid var(--color-border);
            box-shadow: var(--shadow-lg);
            transform: translateY(-120%);
            opacity: 0;
            transition: all var(--transition-base);
            pointer-events: none;
        }
        .nav-main.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .nav-main a {
            width: 100%;
            text-align: center;
            padding: 0.75rem 1rem;
            font-size: var(--fs-base);
        }
        .nav-cta { display: none; }
        .nav-cta.mobile-visible {
            display: flex;
            flex-direction: column;
            width: 100%;
            gap: var(--space-sm);
            padding: var(--space-sm) 0;
        }
        .nav-cta.mobile-visible .btn { width: 100%; justify-content: center; }
        .menu-toggle { display: flex; }

        /* Hero */
        .hero { min-height: 70vh; padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-xl); }
        .hero-stat { flex-wrap: wrap; gap: var(--space-md); }
        .hero-stat-item { flex: 1; min-width: 80px; }

        /* Grids */
        .grid-2 { grid-template-columns: 1fr; }
        .grid-3 { grid-template-columns: 1fr; }
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
        .news-grid { grid-template-columns: 1fr; }
        .category-grid { grid-template-columns: 1fr; }

        /* Sections */
        .section-header { margin-bottom: var(--space-xl); }

        /* Footer */
        .footer-top { grid-template-columns: 1fr; gap: var(--space-lg); }
        .footer-brand p { max-width: 100%; }
    }

    @media (max-width: 520px) {
        :root {
            --fs-4xl: 2rem;
            --fs-3xl: 1.7rem;
            --fs-2xl: 1.4rem;
            --fs-lg: 1.15rem;
            --fs-md: 1rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --section-padding: 2.5rem 0;
        }
        .hero { min-height: 60vh; }
        .hero-title { font-size: var(--fs-3xl); }
        .hero-actions { flex-direction: column; width: 100%; }
        .hero-actions .btn { width: 100%; justify-content: center; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
        .stat-item { padding: var(--space-md); }
        .stat-item .num { font-size: var(--fs-2xl); }
        .grid-4 { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
        .process-list { grid-template-columns: 1fr; }
        .news-card .card-img { height: 180px; }
        .category-card .card-img { height: 180px; }
        .footer-bottom { font-size: var(--fs-xs); }
    }

    /* ===== Animations ===== */
    @keyframes fadeInUp {
        from { opacity: 0; transform: translateY(30px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .animate-in { animation: fadeInUp 0.7s 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; }

    /* ===== Misc ===== */
    .divider {
        width: 60px;
        height: 3px;
        background: var(--color-secondary);
        border-radius: 2px;
        margin: var(--space-md) 0;
    }
    .text-center .divider { margin: var(--space-md) auto; }
    .gap-md { gap: var(--space-md); }
    .gap-lg { gap: var(--space-lg); }
    .mt-lg { margin-top: var(--space-lg); }
    .mb-lg { margin-bottom: var(--space-lg); }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #d4a84b;
            --accent-light: #e8c46a;
            --accent-dark: #b8923a;
            --bg-body: #f8f9fb;
            --bg-white: #ffffff;
            --bg-light: #f0f2f5;
            --bg-dark: #1a1a2e;
            --text-dark: #1e293b;
            --text-body: #334155;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== 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(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-h);
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button { cursor: pointer; font: inherit; border: none; background: none; }
        input, textarea { font: inherit; }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.96);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .site-logo:hover { color: var(--primary); opacity: 0.9; }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 2px 8px rgba(26,58,92,0.25);
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-main a:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav-main a.active {
            color: var(--primary);
            background: rgba(26,58,92,0.08);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-cta.mobile-visible { display: none; }
        .desktop-only { display: flex; }

        /* ===== Menu Toggle ===== */
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            gap: 5px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .menu-toggle:hover { background: var(--border); }
        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
            line-height: 1.2;
        }
        .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .btn:active { transform: translateY(0); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; gap: 6px; }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--primary-dark); }

        /* ===== Article Detail Page ===== */
        .article-banner {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: var(--transition);
        }
        .article-breadcrumb a:hover { color: var(--accent-light); }
        .article-breadcrumb .sep { opacity: 0.5; }
        .article-breadcrumb .current { color: var(--accent-light); font-weight: 500; }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
            max-width: 880px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.15);
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-meta .tag {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 2px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .article-meta i { margin-right: 5px; opacity: 0.7; }

        /* ===== Main Content ===== */
        .article-main {
            padding: 50px 0 70px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 32px;
            box-shadow: var(--shadow-md);
            max-height: 460px;
            object-fit: cover;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-body .content p {
            margin-bottom: 1.4em;
        }
        .article-body .content h2, .article-body .content h3 {
            color: var(--text-dark);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            font-weight: 700;
        }
        .article-body .content h2 { font-size: 1.6rem; }
        .article-body .content h3 { font-size: 1.25rem; }
        .article-body .content ul, .article-body .content ol {
            padding-left: 1.5em;
            margin-bottom: 1.2em;
        }
        .article-body .content ul li { list-style: disc; margin-bottom: 0.3em; }
        .article-body .content ol li { list-style: decimal; margin-bottom: 0.3em; }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-light);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content a { color: var(--primary-light); text-decoration: underline; }
        .article-body .content a:hover { color: var(--accent); }
        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }

        .article-footer-meta {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-footer-meta .share-links {
            display: flex;
            gap: 10px;
        }
        .article-footer-meta .share-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            transition: var(--transition);
            font-size: 1rem;
        }
        .article-footer-meta .share-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-body);
            transition: var(--transition);
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list .thumb {
            width: 68px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-light);
        }
        .sidebar-list .info { flex: 1; min-width: 0; }
        .sidebar-list .info .s-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-list .info .s-date {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            padding: 4px 14px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .sidebar-tags a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-md);
        }
        .sidebar-cta h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 16px;
        }
        .sidebar-cta .btn { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
        .sidebar-cta .btn:hover { background: var(--accent-light); }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .not-found-box i { font-size: 3.5rem; color: var(--text-light); margin-bottom: 20px; opacity: 0.5; }
        .not-found-box h2 { font-size: 1.8rem; color: var(--text-dark); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; font-size: 1.05rem; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-logo { margin-bottom: 14px; }
        .footer-brand .site-logo .logo-icon { background: var(--accent); color: var(--primary-dark); }
        .footer-brand .site-logo .logo-text { -webkit-text-fill-color: #fff; background: none; color: #fff; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.7; max-width: 360px; }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-col ul a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.85rem;
            opacity: 0.7;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 64px; }
            :root { --header-h: 64px; }
            .header-inner { padding: 0 16px; }
            .logo-text { font-size: 1.1rem; }
            .logo-icon { width: 34px; height: 34px; font-size: 15px; }
            .nav-main {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
                align-items: stretch;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-main.open { transform: translateY(0); opacity: 1; }
            .nav-main a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-main a.active::after { display: none; }
            .nav-main a.active { background: rgba(26,58,92,0.08); }
            .nav-cta.mobile-visible { display: flex; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); flex-wrap: wrap; }
            .desktop-only { display: none; }
            .menu-toggle { display: flex; }

            .article-banner { padding: 36px 0 32px; min-height: 160px; }
            .article-title { font-size: 1.5rem; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .article-body { padding: 24px 20px; }
            .article-body .content { font-size: 0.98rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .sidebar-cta { padding: 20px 16px; }
        }
        @media (max-width: 520px) {
            .article-title { font-size: 1.25rem; }
            .article-body { padding: 18px 14px; }
            .article-body .featured-image { max-height: 240px; }
            .article-footer-meta { flex-direction: column; align-items: flex-start; }
            .btn { padding: 10px 20px; font-size: 0.9rem; }
            .btn-sm { padding: 6px 14px; font-size: 0.8rem; }
        }

        /* ===== Print ===== */
        @media print {
            .site-header, .site-footer, .article-sidebar, .nav-cta, .menu-toggle { display: none !important; }
            body { padding-top: 0; background: #fff; }
            .article-body { box-shadow: none; border: none; padding: 0; }
            .article-banner { background: #fff !important; padding: 20px 0; }
            .article-banner::before { display: none; }
            .article-title { color: #000; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2a44;
            --accent: #c93a2b;
            --accent-light: #e05a4a;
            --accent-dark: #a82e20;
            --bg-body: #f8f9fb;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-section-alt: #f0f3f7;
            --bg-dark: #1a2a3c;
            --text-primary: #1a2a3c;
            --text-secondary: #4a5a6c;
            --text-muted: #7a8a9c;
            --text-inverse: #f0f3f7;
            --border-light: #e2e6ec;
            --border-medium: #c8ced6;
            --shadow-sm: 0 2px 8px rgba(26, 42, 60, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 60, 0.08);
            --shadow-lg: 0 16px 48px rgba(26, 42, 60, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.375rem;
            --font-size-2xl: 1.75rem;
            --font-size-3xl: 2.25rem;
            --font-size-4xl: 3rem;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 5rem;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 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: var(--font-size-base);
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

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

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

        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            flex-shrink: 0;
        }
        .site-logo:hover {
            color: var(--primary);
            opacity: 0.9;
        }
        .logo-icon {
            font-size: 1.4em;
            color: var(--accent);
            display: flex;
            align-items: center;
        }
        .logo-text {
            letter-spacing: -0.02em;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-main a {
            position: relative;
            padding: 0.5rem 1rem;
            font-size: var(--font-size-sm);
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .nav-main a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }
        .nav-main a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .nav-cta.mobile-visible {
            display: none;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: transparent;
            gap: 5px;
            flex-shrink: 0;
        }
        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.6rem 1.5rem;
            font-size: var(--font-size-sm);
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid transparent;
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-sm {
            padding: 0.4rem 1rem;
            font-size: var(--font-size-xs);
        }
        .btn-lg {
            padding: 0.85rem 2.2rem;
            font-size: var(--font-size-base);
        }
        .btn-primary {
            background: var(--accent);
            color: #fff !important;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 58, 43, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary) !important;
            border-color: var(--border-medium);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(26, 58, 92, 0.04);
            transform: translateY(-2px);
        }
        .btn-light {
            background: rgba(255, 255, 255, 0.2);
            color: #fff !important;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
        }
        .page-banner-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: var(--font-size-3xl);
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .page-banner p {
            font-size: var(--font-size-lg);
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0.75rem;
        }
        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .page-banner .breadcrumb a:hover {
            color: #fff;
        }
        .page-banner .breadcrumb span {
            color: rgba(255, 255, 255, 0.9);
        }

        /* ===== Section ===== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            font-size: var(--font-size-2xl);
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: var(--font-size-base);
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: var(--spacing-lg);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }
        .section-header .section-title {
            margin-bottom: 0.25rem;
        }
        .section-header .section-subtitle {
            margin-bottom: 0;
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-lg);
        }
        .card-grid-2 {
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
        }
        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--bg-section-alt);
        }
        .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 0.5rem;
        }
        .card-tag {
            display: inline-block;
            padding: 0.15rem 0.6rem;
            font-size: var(--font-size-xs);
            font-weight: 500;
            color: var(--primary-light);
            background: rgba(26, 58, 92, 0.08);
            border-radius: 20px;
        }
        .card-tag.accent {
            color: var(--accent);
            background: rgba(201, 58, 43, 0.1);
        }
        .card-title {
            font-size: var(--font-size-lg);
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
            line-height: 1.35;
        }
        .card-title a {
            color: inherit;
        }
        .card-title a:hover {
            color: var(--primary-light);
        }
        .card-text {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: var(--font-size-xs);
            color: var(--text-muted);
            margin-top: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-light);
        }
        .card-meta i {
            margin-right: 0.25rem;
        }

        /* ===== Featured Article ===== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .featured-card .card-img {
            aspect-ratio: auto;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }
        .featured-card .card-body {
            padding: var(--spacing-xl);
            justify-content: center;
        }
        .featured-card .card-title {
            font-size: var(--font-size-2xl);
        }
        .featured-card .card-text {
            font-size: var(--font-size-base);
        }

        /* ===== Tag Filter ===== */
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: var(--spacing-lg);
        }
        .tag-filter a {
            display: inline-block;
            padding: 0.35rem 1rem;
            font-size: var(--font-size-sm);
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 40px;
            transition: all var(--transition);
        }
        .tag-filter a:hover {
            color: var(--primary);
            border-color: var(--primary-light);
            background: rgba(26, 58, 92, 0.04);
        }
        .tag-filter a.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }

        /* ===== Sidebar ===== */
        .with-sidebar {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-xl);
            align-items: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            margin-bottom: var(--spacing-md);
        }
        .sidebar-card h3 {
            font-size: var(--font-size-base);
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--border-light);
        }
        .sidebar-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-list a:hover {
            color: var(--primary);
        }
        .sidebar-list a i {
            color: var(--accent);
            font-size: 0.7em;
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.35rem;
            margin-top: var(--spacing-xl);
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 0.75rem;
            font-size: var(--font-size-sm);
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .pagination a:hover {
            color: var(--primary);
            border-color: var(--primary-light);
            background: rgba(26, 58, 92, 0.04);
        }
        .pagination .active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }
        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== Newsletter / CTA ===== */
        .cta-block {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-block .container {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            font-size: var(--font-size-2xl);
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
        }
        .cta-block .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand .site-logo:hover {
            opacity: 0.9;
            color: #fff;
        }
        .footer-brand p {
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: var(--font-size-xs);
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .with-sidebar {
                grid-template-columns: 1fr;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .card-img {
                min-height: 220px;
            }
            .featured-card .card-body {
                padding: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --font-size-4xl: 2.25rem;
                --font-size-3xl: 1.75rem;
                --font-size-2xl: 1.4rem;
                --spacing-2xl: 3rem;
                --spacing-xl: 2rem;
            }

            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: 0.25rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.35s ease, opacity 0.3s ease;
                pointer-events: none;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: var(--font-size-base);
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                background: rgba(26, 58, 92, 0.1);
            }

            .nav-cta.desktop-only {
                display: none;
            }
            .nav-cta.mobile-visible {
                display: flex;
                width: 100%;
                padding-top: var(--spacing-sm);
                border-top: 1px solid var(--border-light);
                margin-top: var(--spacing-xs);
            }
            .nav-cta.mobile-visible .btn {
                flex: 1;
            }

            .menu-toggle {
                display: flex;
            }

            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .page-banner {
                min-height: 200px;
                padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
            }
            .page-banner h1 {
                font-size: var(--font-size-2xl);
            }
            .page-banner p {
                font-size: var(--font-size-base);
            }

            .tag-filter {
                gap: 0.35rem;
            }
            .tag-filter a {
                font-size: var(--font-size-xs);
                padding: 0.25rem 0.75rem;
            }

            .pagination {
                flex-wrap: wrap;
            }

            .cta-block {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .cta-block h2 {
                font-size: var(--font-size-xl);
            }
        }

        @media (max-width: 520px) {
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: var(--font-size-xl);
            }
            .section-title {
                font-size: var(--font-size-xl);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Extra Utilities ===== */
        .desktop-only {
            display: flex;
        }
        @media (max-width: 768px) {
            .desktop-only {
                display: none !important;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-1 {
            margin-bottom: var(--spacing-sm);
        }
        .mb-2 {
            margin-bottom: var(--spacing-md);
        }
        .mb-3 {
            margin-bottom: var(--spacing-lg);
        }
        .mt-2 {
            margin-top: var(--spacing-md);
        }
        .gap-1 {
            gap: var(--spacing-sm);
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }