/* roulang page: index */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-card: #081F14;
            --accent-amber: #F59E0B;
            --accent-amber-glow: #FCD34D;
            --accent-green: #10B981;
            --accent-green-glow: #34D399;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6EE7B7;
            --text-warm: #FEF3C7;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-gold: #F59E0B;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.25);
            --shadow-green: 0 0 20px rgba(16, 185, 129, 0.3);
            --radius-sm: 0.625rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

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

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

        ul {
            list-style: none;
        }

        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-base);
        }

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

        h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 900;
        }
        h2 {
            font-size: clamp(1.75rem, 4vw, 2.25rem);
            font-weight: 800;
        }
        h3 {
            font-size: clamp(1.25rem, 3vw, 1.5rem);
            font-weight: 700;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge-gold {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.15));
            color: var(--accent-amber-glow);
            border: 1px solid var(--border-subtle);
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green-glow);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-base);
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
            border-color: var(--accent-amber-glow);
        }
        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
        }
        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-amber);
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.08);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
        }
        .btn-ghost {
            background: transparent;
            border: 2px solid transparent;
            color: var(--text-secondary);
            font-weight: 600;
        }
        .btn-ghost:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.05);
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            transition: var(--transition-base);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--accent-amber-glow);
            letter-spacing: -0.01em;
        }
        .logo i {
            font-size: 1.75rem;
            color: var(--accent-amber);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            padding: 0.5rem 1.25rem;
            background: transparent;
            border: 1.5px solid var(--border-gold);
            color: var(--accent-amber);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.875rem;
        }
        .btn-login:hover {
            background: rgba(245,158,11,0.15);
        }
        .btn-signup {
            padding: 0.5rem 1.5rem;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.875rem;
            box-shadow: var(--shadow-gold);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.5);
            transform: scale(1.03);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.6rem;
            padding: 0.25rem;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 1.25rem;
            }
            .nav-links a {
                font-size: 0.875rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(6, 46, 32, 0.98);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-actions {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
        }

        /* Hero */
        .hero {
            padding-top: 130px;
            padding-bottom: 80px;
            background: linear-gradient(180deg, #041E14 0%, var(--bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 40%, rgba(245, 158, 11, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-content h1 {
            margin-bottom: 1.25rem;
            color: var(--accent-amber-glow);
        }
        .hero-content p {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.65;
            max-width: 520px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .hero-image {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 15px 50px rgba(0,0,0,0.5), 0 0 0 2px var(--border-subtle);
        }
        .hero-image img {
            width: 100%;
            object-fit: cover;
        }
        .hero-image .overlay-tag {
            position: absolute;
            bottom: 1.25rem;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0,0,0,0.75);
            backdrop-filter: blur(8px);
            padding: 0.5rem 1.5rem;
            border-radius: 9999px;
            color: var(--accent-amber);
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid var(--border-gold);
        }
        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-image {
                order: -1;
            }
            .hero {
                padding-top: 110px;
                padding-bottom: 50px;
            }
        }

        /* Section */
        .section {
            padding: 70px 0;
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-header h2 {
            margin-bottom: 0.75rem;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 680px;
        }
        .section-dark {
            background: var(--bg-secondary);
        }

        /* Category Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: left;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .category-card:hover {
            border-color: var(--accent-amber);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }
        .category-card i {
            font-size: 2.2rem;
            color: var(--accent-amber);
            margin-bottom: 1rem;
            display: block;
        }
        .category-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Feature Grid */
        .feature-grid-three {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .feature-item {
            padding: 2rem 1.5rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,255,255,0.05);
        }
        .feature-item i {
            font-size: 2.5rem;
            color: var(--accent-green);
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .feature-grid-three {
                grid-template-columns: 1fr;
            }
        }

        /* CMS List */
        .cms-list-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }
        .cms-main article {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            border: 1px solid transparent;
            transition: var(--transition-base);
            align-items: center;
        }
        .cms-main article:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .cms-main img {
            width: 120px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .cms-main h4 {
            font-size: 1.05rem;
            color: var(--text-primary);
        }
        .cms-main .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .cms-sidebar {
            background: var(--bg-secondary);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            height: fit-content;
        }
        @media (max-width: 768px) {
            .cms-list-grid {
                grid-template-columns: 1fr;
            }
            .cms-main article {
                flex-direction: column;
            }
            .cms-main img {
                width: 100%;
                height: auto;
            }
        }

        /* Map block */
        .map-block {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            border: 1px solid var(--border-subtle);
        }
        .map-block img {
            border-radius: var(--radius-lg);
        }
        @media (max-width: 768px) {
            .map-block {
                grid-template-columns: 1fr;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 2px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-amber);
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #D4AF37, #B45309);
            color: #0F172A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            z-index: 999;
            cursor: pointer;
            transition: var(--transition-base);
            border: 2px solid var(--accent-amber-glow);
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(245, 158, 11, 0.55);
        }

/* roulang page: article */
:root {
        --bg-primary: #031A12;
        --bg-secondary: #062E20;
        --bg-card: #081F14;
        --accent-amber: #F59E0B;
        --accent-amber-glow: #FCD34D;
        --accent-green: #10B981;
        --accent-green-glow: #34D399;
        --text-primary: #F0FDF4;
        --text-secondary: #A7F3D0;
        --text-muted: #6EE7B7;
        --text-warm: #FEF3C7;
        --border-subtle: rgba(245, 158, 11, 0.25);
        --border-gold: #F59E0B;
        --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
        --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.25);
        --shadow-green: 0 0 20px rgba(16, 185, 129, 0.3);
        --radius-sm: 0.625rem;
        --radius-md: 1rem;
        --radius-lg: 1.5rem;
        --radius-xl: 2rem;
        --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
        background-color: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        min-height: 100vh;
    }
    .container {
        width: 100%;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    @media(min-width: 768px) {
        .container {
            padding-left: 2rem;
            padding-right: 2rem;
        }
    }
    @media(min-width: 1024px) {
        .container {
            padding-left: 2.5rem;
            padding-right: 2.5rem;
        }
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition-base);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button {
        border: none;
        cursor: pointer;
        font-family: inherit;
        font-size: inherit;
        transition: var(--transition-base);
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 0.375rem;
        padding: 0.375rem 0.875rem;
        border-radius: 9999px;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }
    .badge-gold {
        background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.15));
        color: var(--accent-amber-glow);
        border: 1px solid var(--border-subtle);
    }
    .badge-green {
        background: rgba(16, 185, 129, 0.15);
        color: var(--accent-green-glow);
        border: 1px solid rgba(16, 185, 129, 0.3);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.75rem 1.75rem;
        border-radius: var(--radius-md);
        font-weight: 700;
        font-size: 0.95rem;
        transition: var(--transition-base);
        text-align: center;
        border: 2px solid transparent;
        cursor: pointer;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--accent-amber), #D97706);
        color: #0F172A;
        box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
        border-color: var(--accent-amber-glow);
    }
    .btn-primary:hover {
        box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
        transform: translateY(-2px);
    }
    .btn-outline-gold {
        background: transparent;
        border: 2px solid var(--border-gold);
        color: var(--accent-amber);
    }
    .btn-outline-gold:hover {
        background: rgba(245, 158, 11, 0.08);
        box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
    }
    .btn-ghost {
        background: transparent;
        border: 2px solid transparent;
        color: var(--text-secondary);
        font-weight: 600;
    }
    .btn-ghost:hover {
        color: var(--text-primary);
        background: rgba(255,255,255,0.05);
    }
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(3, 26, 18, 0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        transition: var(--transition-base);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 70px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 0.625rem;
        font-weight: 900;
        font-size: 1.35rem;
        color: var(--accent-amber-glow);
        letter-spacing: -0.01em;
    }
    .logo i {
        font-size: 1.75rem;
        color: var(--accent-amber);
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 2rem;
    }
    .nav-links a {
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-secondary);
        position: relative;
        padding-bottom: 4px;
    }
    .nav-links a:hover,
    .nav-links a.active {
        color: var(--accent-amber);
    }
    .nav-links a.active::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 100%;
        height: 3px;
        background: var(--accent-amber);
        border-radius: 2px;
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    .btn-login {
        padding: 0.5rem 1.25rem;
        background: transparent;
        border: 1px solid rgba(245, 158, 11, 0.5);
        color: var(--accent-amber);
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.9rem;
    }
    .btn-login:hover {
        background: rgba(245, 158, 11, 0.1);
        border-color: var(--accent-amber);
    }
    .btn-signup {
        padding: 0.5rem 1.25rem;
        background: linear-gradient(135deg, var(--accent-amber), #D97706);
        color: #0F172A;
        border-radius: var(--radius-sm);
        font-weight: 700;
        font-size: 0.9rem;
        box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
    }
    .btn-signup:hover {
        box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
        transform: scale(1.03);
    }
    .mobile-toggle {
        display: none;
        background: transparent;
        color: var(--text-primary);
        font-size: 1.75rem;
        border: none;
        cursor: pointer;
    }
    @media(max-width: 1024px) {
        .nav-links {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: rgba(6, 46, 32, 0.97);
            backdrop-filter: blur(15px);
            flex-direction: column;
            padding: 2rem;
            gap: 1.5rem;
            transform: translateX(-100%);
            transition: var(--transition-base);
        }
        .nav-links.active {
            transform: translateX(0);
        }
        .nav-links a {
            font-size: 1.1rem;
        }
        .mobile-toggle {
            display: block;
        }
    }
    .main-content {
        margin-top: 70px;
        min-height: 60vh;
    }
    .article-banner {
        position: relative;
        padding: 5rem 0 4rem;
        background: linear-gradient(180deg, #041B13 0%, #062E20 60%, var(--bg-primary) 100%);
        overflow: hidden;
    }
    .article-banner::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
        opacity: 0.12;
    }
    .article-banner .container {
        position: relative;
        z-index: 2;
    }
    .article-breadcrumb {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        flex-wrap: wrap;
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 2rem;
    }
    .article-breadcrumb a {
        color: var(--accent-amber);
        font-weight: 500;
    }
    .article-breadcrumb a:hover {
        text-decoration: underline;
        color: var(--accent-amber-glow);
    }
    .article-banner h1 {
        font-size: 2.8rem;
        font-weight: 900;
        line-height: 1.25;
        letter-spacing: -0.02em;
        color: var(--text-primary);
        margin-bottom: 1.25rem;
    }
    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 1.5rem;
        color: var(--text-muted);
        font-size: 0.95rem;
        padding-bottom: 1.5rem;
        border-bottom: 1px solid var(--border-subtle);
    }
    .article-meta span {
        display: inline-flex;
        align-items: center;
        gap: 0.375rem;
    }
    .article-meta i {
        color: var(--accent-amber);
    }
    .article-body-section {
        padding: 3rem 0 4rem;
    }
    .article-grid {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 3rem;
        align-items: start;
    }
    @media(max-width: 1024px) {
        .article-grid {
            grid-template-columns: 1fr;
        }
    }
    .article-featured-img {
        border-radius: var(--radius-lg);
        overflow: hidden;
        margin-bottom: 2.5rem;
        box-shadow: var(--shadow-card);
    }
    .article-featured-img img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .article-content {
        color: var(--text-secondary);
        font-size: 1.05rem;
        line-height: 1.75;
    }
    .article-content h2 {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--text-primary);
        margin: 2.5rem 0 1.25rem;
        padding-left: 1rem;
        border-left: 4px solid var(--accent-amber);
    }
    .article-content h3 {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--accent-amber-glow);
        margin: 2rem 0 1rem;
    }
    .article-content p {
        margin-bottom: 1.25rem;
    }
    .article-content ul, .article-content ol {
        margin: 1.5rem 0;
        padding-left: 2rem;
    }
    .article-content li {
        margin-bottom: 0.625rem;
    }
    .article-content blockquote {
        background: rgba(245, 158, 11, 0.05);
        border-left: 4px solid var(--border-gold);
        padding: 1.5rem 2rem;
        margin: 2rem 0;
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        font-style: italic;
        color: var(--accent-amber-glow);
    }
    .article-content img {
        border-radius: var(--radius-md);
        margin: 2rem 0;
        box-shadow: var(--shadow-card);
    }
    .article-sidebar {
        position: sticky;
        top: 90px;
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }
    @media(max-width: 1024px) {
        .article-sidebar {
            position: static;
        }
    }
    .sidebar-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        padding: 1.75rem;
        box-shadow: var(--shadow-card);
    }
    .sidebar-card h4 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--accent-amber);
        margin-bottom: 1.25rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--border-subtle);
    }
    .sidebar-cta {
        background: linear-gradient(180deg, #062E20 0%, #031A12 100%);
        border: 1px solid var(--border-gold);
        text-align: center;
    }
    .sidebar-cta h3 {
        font-size: 1.5rem;
        color: var(--accent-amber-glow);
        margin-bottom: 0.75rem;
    }
    .sidebar-cta p {
        color: var(--text-muted);
        margin-bottom: 1.5rem;
    }
    .article-share-row {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        flex-wrap: wrap;
        margin-top: 3rem;
        padding-top: 2rem;
        border-top: 1px solid var(--border-subtle);
    }
    .article-share-row span {
        font-weight: 600;
        color: var(--text-muted);
    }
    .share-btn {
        width: 42px;
        height: 42px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(245, 158, 11, 0.1);
        color: var(--accent-amber);
        font-size: 1.1rem;
        transition: var(--transition-base);
    }
    .share-btn:hover {
        background: var(--accent-amber);
        color: #0F172A;
        transform: translateY(-3px);
    }
    .not-found {
        text-align: center;
        padding: 6rem 1rem;
    }
    .not-found i {
        font-size: 4rem;
        color: var(--accent-amber);
        margin-bottom: 1.5rem;
        display: block;
    }
    .not-found h2 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    .not-found p {
        color: var(--text-muted);
        margin-bottom: 2rem;
        font-size: 1.1rem;
    }
    .site-footer {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-subtle);
        padding: 3.5rem 0 1.5rem;
        margin-top: 4rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 2.5rem;
        margin-bottom: 2.5rem;
    }
    @media(max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media(max-width: 480px) {
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .article-banner h1 {
            font-size: 2rem;
        }
    }
    .footer-col h4 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--accent-amber);
        margin-bottom: 1rem;
    }
    .footer-col a {
        display: block;
        color: var(--text-muted);
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
        transition: var(--transition-base);
    }
    .footer-col a:hover {
        color: var(--accent-amber-glow);
        padding-left: 4px;
    }
    .footer-bottom {
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-subtle);
        color: var(--text-muted);
        font-size: 0.85rem;
        text-align: center;
    }
    .fab-left {
        position: fixed;
        left: 1rem;
        bottom: 6rem;
        z-index: 50;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: linear-gradient(135deg, #0B2E1E, #031A12);
        border: 2px solid var(--border-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: var(--accent-amber);
        box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
        transition: var(--transition-base);
    }
    .fab-left:hover {
        transform: scale(1.1);
        box-shadow: 0 8px 32px rgba(245, 158, 11, 0.55);
    }

/* roulang page: category1 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-card: #081F14;
            --accent-amber: #F59E0B;
            --accent-amber-glow: #FCD34D;
            --accent-green: #10B981;
            --accent-green-glow: #34D399;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6EE7B7;
            --text-warm: #FEF3C7;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-gold: #F59E0B;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.25);
            --shadow-green: 0 0 20px rgba(16, 185, 129, 0.3);
            --radius-sm: 0.625rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 70px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1200px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

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

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

        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-base);
        }

        h1, h2, h3, h4 {
            line-height: 1.3;
        }

        h1 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-primary);
        }

        h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        h3 {
            font-size: 1.35rem;
            font-weight: 700;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge-gold {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.15));
            color: var(--accent-amber-glow);
            border: 1px solid var(--border-subtle);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green-glow);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-base);
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
            border-color: var(--accent-amber-glow);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-amber);
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.08);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
        }

        .btn-ghost {
            background: transparent;
            border: 2px solid transparent;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .btn-ghost:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(3, 26, 18, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--accent-amber-glow);
            letter-spacing: -0.01em;
        }

        .logo i {
            font-size: 1.75rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            padding: 0.5rem 1.25rem;
            background: transparent;
            border: 1.5px solid var(--text-muted);
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            padding: 0.5rem 1.25rem;
            background: linear-gradient(135deg, var(--accent-amber), #B45309);
            color: #0A0A0A;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }

        .hero-section {
            padding: 3rem 0 2.5rem;
            background: linear-gradient(180deg, rgba(6, 46, 32, 0.4) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-grid {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .hero-text {
            max-width: 680px;
        }

        .hero-text h1 {
            margin-bottom: 0.75rem;
            color: var(--accent-amber-glow);
        }

        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 1.75rem;
            line-height: 1.6;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--border-subtle);
        }

        .hero-visual img {
            border-radius: var(--radius-md);
            max-height: 250px;
            object-fit: cover;
        }

        .features-section {
            padding: 3.5rem 0;
        }

        .section-label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }

        .section-label .badge {
            margin-bottom: 0;
        }

        .section-title {
            margin-bottom: 2rem;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .feature-card:hover {
            border-color: var(--accent-amber);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.12);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(16, 185, 129, 0.12);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-green-glow);
            margin-bottom: 1.25rem;
        }

        .feature-card h3 {
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .channels-section {
            padding: 3.5rem 0;
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            margin-bottom: 3rem;
        }

        .channels-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .channel-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid transparent;
            transition: var(--transition-base);
            color: var(--text-primary);
        }

        .channel-card:hover {
            border-color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.05);
        }

        .channel-card i {
            font-size: 2.2rem;
            color: var(--accent-amber);
            margin-bottom: 0.75rem;
        }

        .channel-card h4 {
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .channel-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .faq-section {
            padding: 3rem 0 2.5rem;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 2rem;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
            cursor: pointer;
        }

        .faq-question i {
            color: var(--accent-amber);
            transition: transform 0.2s;
        }

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .news-section {
            padding: 3rem 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .news-card:hover {
            border-color: var(--accent-amber);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
        }

        .news-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }

        .news-body {
            padding: 1.25rem;
        }

        .news-body h4 {
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            font-weight: 700;
        }

        .news-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .cta-section {
            padding: 3rem 0;
        }

        .cta-block {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(6, 46, 32, 0.9));
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            border: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .cta-block h3 {
            font-size: 1.5rem;
            color: var(--accent-amber-glow);
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: var(--accent-amber);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.25rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A0A0A;
            font-size: 1.5rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
            border: 2px solid var(--accent-amber-glow);
            transition: var(--transition-base);
            opacity: 0.85;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.6);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 1.25rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                gap: 0.5rem;
            }
            .hero-grid {
                flex-direction: column;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }

.faq-item .faq-answer { display: none; }
        .faq-item.open .faq-answer { display: block; }

/* roulang page: category2 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-card: #081F14;
            --accent-amber: #F59E0B;
            --accent-amber-glow: #FCD34D;
            --accent-green: #10B981;
            --accent-green-glow: #34D399;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6EE7B7;
            --text-warm: #FEF3C7;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-gold: #F59E0B;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.25);
            --shadow-green: 0 0 20px rgba(16, 185, 129, 0.3);
            --radius-sm: 0.625rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-base);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge-gold {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.15));
            color: var(--accent-amber-glow);
            border: 1px solid var(--border-subtle);
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green-glow);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-base);
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
            border-color: var(--accent-amber-glow);
        }
        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
        }
        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-amber);
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.08);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
        }
        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            transition: var(--transition-base);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--accent-amber-glow);
            letter-spacing: -0.01em;
        }
        .logo i {
            font-size: 1.75rem;
            color: var(--accent-amber);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            padding: 0.5rem 1.25rem;
            background: transparent;
            border: 2px solid var(--border-subtle);
            color: var(--accent-amber);
            border-radius: var(--radius-md);
            font-weight: 600;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-amber);
        }
        .btn-signup {
            padding: 0.5rem 1.25rem;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            border-radius: var(--radius-md);
            font-weight: 700;
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }
        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 1.75rem;
            padding: 0.25rem;
        }

        /* Page Hero */
        .page-hero {
            padding-top: 110px;
            padding-bottom: 4rem;
            background: linear-gradient(180deg, #02110B 0%, var(--bg-primary) 100%);
            position: relative;
        }
        .hero-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-6.jpg');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(3, 26, 18, 0.9) 0%, rgba(3, 26, 18, 0.65) 50%, rgba(3, 26, 18, 0.8) 100%);
            z-index: 1;
        }
        .hero-banner-content {
            position: relative;
            z-index: 2;
            padding: 3rem 3rem;
            max-width: 650px;
        }
        .hero-banner-content h1 {
            font-size: 2.75rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 1.25rem;
        }
        .hero-banner-content h1 span {
            color: var(--accent-amber-glow);
        }
        .hero-banner-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .hero-meta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        /* Sections */
        .section {
            padding: 4rem 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        .section-subtitle {
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            font-size: 1.05rem;
        }

        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
            margin-top: 1rem;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(16, 185, 129, 0.15);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-base);
            position: relative;
        }
        .feature-card:hover {
            border-color: rgba(16, 185, 129, 0.4);
            box-shadow: 0 8px 30px rgba(16, 185, 129, 0.12);
        }
        .feature-icon {
            font-size: 2.25rem;
            color: var(--accent-green-glow);
            margin-bottom: 1rem;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Gallery Row */
        .gallery-scroll {
            display: flex;
            gap: 1.5rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scroll-snap-type: x mandatory;
        }
        .gallery-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .gallery-scroll::-webkit-scrollbar-thumb {
            background: var(--accent-amber);
            border-radius: 3px;
        }
        .gallery-card {
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            scroll-snap-align: start;
            flex-shrink: 0;
        }
        .gallery-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .gallery-card-body {
            padding: 1.25rem;
        }
        .gallery-card-body h4 {
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }
        .gallery-card-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Weapon Showcase */
        .weapon-showcase {
            display: flex;
            gap: 2rem;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .weapon-showcase img {
            max-width: 45%;
            border-radius: var(--radius-lg);
        }
        .weapon-info h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--accent-amber-glow);
        }
        .weapon-info ul {
            list-style: none;
            padding: 0;
        }
        .weapon-info ul li {
            padding: 0.5rem 0;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .weapon-info ul li i {
            color: var(--accent-amber);
        }

        /* News Card List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid rgba(16, 185, 129, 0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .news-card:hover {
            border-color: var(--accent-amber);
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.15);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 1.5rem;
        }
        .news-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .news-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 1rem;
        }
        .news-card-body .btn-ghost {
            color: var(--accent-amber);
            padding: 0.25rem 0;
            font-size: 0.9rem;
            border: none;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-md);
            padding: 1.5rem;
        }
        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber-glow);
            margin-bottom: 0.5rem;
        }
        .faq-item p {
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background: #02110B;
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            padding: 0.35rem 0;
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 1.5rem;
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #B45309, #451A03);
            border: 2px solid var(--border-gold);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-amber-glow);
            transition: var(--transition-base);
            opacity: 0.8;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.55);
        }
        .fab-floating .badge-notify {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid white;
        }

        @media (max-width: 1024px) {
            .feature-grid,
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .weapon-showcase {
                flex-direction: column;
            }
            .weapon-showcase img {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .feature-grid,
            .faq-grid,
            .news-list {
                grid-template-columns: 1fr;
            }
            .hero-banner-content {
                padding: 2rem 1.5rem;
            }
            .hero-banner-content h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 2.5rem 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-card: #081F14;
            --accent-amber: #F59E0B;
            --accent-amber-glow: #FCD34D;
            --accent-green: #10B981;
            --accent-green-glow: #34D399;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6EE7B7;
            --text-warm: #FEF3C7;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-gold: #F59E0B;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.25);
            --shadow-green: 0 0 20px rgba(16, 185, 129, 0.3);
            --radius-sm: 0.625rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 70px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

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

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

        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-base);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge-gold {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.15));
            color: var(--accent-amber-glow);
            border: 1px solid var(--border-subtle);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green-glow);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-base);
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
            border-color: var(--accent-amber-glow);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-amber);
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.08);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            border: 2px solid transparent;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .btn-ghost:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--accent-amber-glow);
            letter-spacing: -0.01em;
        }

        .logo i {
            font-size: 1.75rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            padding: 0.5rem 1.25rem;
            background: transparent;
            border: 1.5px solid rgba(245, 158, 11, 0.6);
            color: var(--accent-amber);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--accent-amber-glow);
        }

        .btn-signup {
            padding: 0.5rem 1.25rem;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-amber);
            font-size: 1.5rem;
            padding: 0.5rem;
        }

        .page-hero {
            background: linear-gradient(180deg, rgba(6, 46, 32, 0.9) 0%, rgba(3, 26, 18, 0.98) 100%), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            padding: 5rem 0 4rem;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.75rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 1.25rem;
        }

        .hero-text h1 span {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat strong {
            display: block;
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-amber-glow);
        }

        .hero-stat span {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
        }

        .hero-visual img {
            width: 100%;
            border-radius: var(--radius-xl);
        }

        .page-main {
            padding: 4rem 0;
        }

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

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            text-align: left;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.6;
            text-align: left;
        }

        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
            margin-bottom: 4rem;
        }

        .benefit-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            transition: var(--transition-base);
            text-align: left;
        }

        .benefit-card:hover {
            border-color: var(--accent-amber);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.15);
            transform: translateY(-4px);
        }

        .benefit-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.1));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            font-size: 1.5rem;
            color: var(--accent-amber);
        }

        .benefit-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

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

        .methods-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin-bottom: 4rem;
        }

        .method-card {
            background: var(--bg-card);
            border: 1px solid rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: left;
            transition: var(--transition-base);
        }

        .method-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 4px 24px rgba(245, 158, 11, 0.2);
        }

        .method-card img {
            height: 40px;
            width: auto;
            margin-bottom: 1rem;
            object-fit: contain;
        }

        .method-card .method-icon {
            font-size: 2rem;
            color: var(--accent-amber);
            margin-bottom: 0.75rem;
        }

        .method-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .method-card .time-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green-glow);
            margin-top: 0.5rem;
        }

        .process-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 4rem;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 3rem;
            border: 1px solid var(--border-subtle);
        }

        .process-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }

        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .process-step {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            text-align: left;
        }

        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0F172A;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .features-tabs {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .features-tabs .tab-btn {
            padding: 0.6rem 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .features-tabs .tab-btn.active,
        .features-tabs .tab-btn:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--border-gold);
            color: var(--accent-amber);
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.75rem;
            margin-bottom: 4rem;
        }

        .security-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem;
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            transition: var(--transition-base);
            text-align: left;
        }

        .security-card:hover {
            border-color: var(--accent-green);
            box-shadow: var(--shadow-green);
        }

        .security-icon {
            font-size: 1.75rem;
            color: var(--accent-green);
            flex-shrink: 0;
        }

        .security-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

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

        .cta-banner {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(16, 185, 129, 0.1));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2rem;
            text-align: left;
            margin-bottom: 4rem;
            display: flex;
            gap: 2rem;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .cta-banner .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber-glow);
            margin-bottom: 0.5rem;
        }

        .cta-banner .cta-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
        }

        .news-section {
            margin-bottom: 4rem;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            text-align: left;
        }

        .news-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.5rem;
        }

        .news-card-body .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }

        .news-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .faq-section {
            margin-bottom: 4rem;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-question {
            width: 100%;
            padding: 1.5rem 2rem;
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
        }

        .faq-question i {
            transition: var(--transition-base);
            color: var(--accent-amber);
        }

        .faq-answer {
            padding: 0 2rem 1.5rem;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 1rem;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            text-align: left;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .fab-faq-trigger {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: var(--transition-base);
            opacity: 0.8;
            animation: fab-breathe 2s ease-in-out infinite;
        }

        .fab-faq-trigger:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.5);
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-section {
                grid-template-columns: 1fr;
                padding: 2rem;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .methods-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-banner {
                flex-direction: column;
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .methods-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-card: #081F14;
            --accent-amber: #F59E0B;
            --accent-amber-glow: #FCD34D;
            --accent-green: #10B981;
            --accent-green-glow: #34D399;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6EE7B7;
            --text-warm: #FEF3C7;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-gold: #F59E0B;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.25);
            --shadow-green: 0 0 20px rgba(16, 185, 129, 0.3);
            --radius-sm: 0.625rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

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

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

        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-base);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge-gold {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(252, 211, 77, 0.15));
            color: var(--accent-amber-glow);
            border: 1px solid var(--border-subtle);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green-glow);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-base);
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
            border-color: var(--accent-amber-glow);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-amber);
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.08);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
        }

        .btn-ghost {
            background: transparent;
            border: 2px solid transparent;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .btn-ghost:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-login {
            padding: 0.5rem 1.25rem;
            background: transparent;
            border: 2px solid rgba(245, 158, 11, 0.4);
            color: var(--accent-amber);
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            border-color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.05);
            box-shadow: 0 0 15px rgba(245, 158, 11, 0.15);
        }

        .btn-signup {
            padding: 0.5rem 1.25rem;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
            border: 2px solid transparent;
            transition: var(--transition-base);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--accent-amber-glow);
            letter-spacing: -0.01em;
        }

        .logo i {
            font-size: 1.75rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 80px;
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(245, 158, 11, 0.08), transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }

        .hero-content h1 span {
            color: var(--accent-amber);
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .hero-visual .phone-mockup {
            background: var(--bg-card);
            border-radius: 2.5rem;
            padding: 1.25rem;
            border: 2px solid var(--border-subtle);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(245, 158, 11, 0.15);
            max-width: 320px;
            width: 100%;
            position: relative;
        }

        .hero-visual img {
            border-radius: 1.5rem;
            width: 100%;
            height: auto;
        }

        .gift-badge-float {
            position: absolute;
            top: -20px;
            right: -20px;
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FFF;
            border-radius: 9999px;
            padding: 0.75rem 1.25rem;
            font-weight: 800;
            font-size: 0.9rem;
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.5);
            animation: floatBadge 3s ease-in-out infinite;
        }

        @keyframes floatBadge {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }

        .section {
            padding: 80px 0;
        }

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

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        /* Value Cards */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .value-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-amber);
        }

        .value-card-icon {
            font-size: 2.5rem;
            color: var(--accent-amber);
            margin-bottom: 1.25rem;
        }

        .value-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .value-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

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

        .step-item {
            text-align: left;
            position: relative;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            color: #0F172A;
            font-weight: 900;
            font-size: 1.25rem;
            margin-bottom: 1.25rem;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
        }

        .step-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* Feature Split */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .feature-split img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
        }

        .feature-detail h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1.25rem;
            color: var(--text-primary);
        }

        .feature-detail p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .feature-list {
            list-style: none;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .feature-list li i {
            color: var(--accent-green-glow);
            font-size: 1.25rem;
            margin-top: 2px;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 3rem;
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: radial-gradient(circle at center, rgba(245, 158, 11, 0.15), transparent);
            pointer-events: none;
        }

        .cta-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            position: relative;
            z-index: 1;
        }

        .cta-text h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--accent-amber-glow);
        }

        .cta-text p {
            color: var(--text-secondary);
            font-size: 1.1rem;
        }

        /* Content List */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .post-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .post-card-body {
            padding: 1.25rem;
        }

        .post-card-body .post-cat {
            font-size: 0.8rem;
            color: var(--accent-amber);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .post-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .post-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-body .post-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .no-posts {
            text-align: center;
            padding: 3rem;
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 40px;
        }

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

        .footer-col h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: var(--accent-amber);
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0.625rem;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding-top: 1.5rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-btn {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), #D97706);
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0F172A;
            font-size: 1.5rem;
            transition: var(--transition-base);
            animation: fabBounce 2s ease-in-out infinite;
        }

        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 36px rgba(245, 158, 11, 0.6);
        }

        @keyframes fabBounce {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
                text-align: center;
            }

            .hero-content {
                max-width: 100%;
                margin: 0 auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-visual .phone-mockup {
                max-width: 260px;
            }

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

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

            .feature-split {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .feature-split img {
                max-width: 400px;
                margin: 0 auto;
            }

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

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

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-subtle);
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .value-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .post-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 1.75rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-content h1 {
                font-size: 1.8rem;
            }

            .hero-actions {
                flex-direction: column;
            }
        }