/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --primary-bg-alt: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-gold: #B8860B;
            --footer-bg: #071D12;
            --card-bg: rgba(18,62,37,0.7);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-gold: 0 8px 30px rgba(255,215,0,0.15);
            --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
            --font-body: 'Segoe UI', 'Roboto', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover, a:focus {
            color: var(--accent-gold);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            margin-top: 0;
            font-weight: 700;
            line-height: 1.3;
        }
        p {
            margin-bottom: 1rem;
        }
        .container-main {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--accent-gold);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        /* NAVIGATION */
        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10,46,28,0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: background 0.3s;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1.3;
        }
        .nav-logo span {
            color: var(--text-white);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            position: relative;
            padding: 6px 0;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-btns {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 800;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(255,215,0,0.3);
        }
        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255,215,0,0.45);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            background: none;
            border: none;
        }

        /* HERO - sản phẩm sân khấu trung tâm */
        .hero-section {
            padding: 150px 0 100px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0E3824 50%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
            line-height: 1.2;
        }
        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }
        .btn-hero-primary {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 15px 36px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255,215,0,0.35);
        }
        .btn-hero-primary:hover {
            background: #FFE44D;
            transform: translateY(-3px);
        }
        .btn-hero-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 15px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn-hero-outline:hover {
            background: rgba(255,215,0,0.1);
        }
        .hero-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .hero-stage-img {
            width: 100%;
            max-width: 500px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            border: 2px solid rgba(255,215,0,0.3);
        }
        .hero-badges {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-badge {
            background: rgba(255,215,0,0.12);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: 30px;
            padding: 8px 20px;
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        /* CATEGORY ENTRY */
        .category-entry-section {
            background: var(--footer-bg);
            border-top: 1px solid rgba(255,215,0,0.1);
            border-bottom: 1px solid rgba(255,215,0,0.1);
        }
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 30px;
        }
        .cat-card {
            background: rgba(18,62,37,0.5);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: left;
            border: 1px solid rgba(255,215,0,0.2);
            transition: all 0.3s;
            cursor: pointer;
            text-decoration: none;
            display: block;
            color: inherit;
        }
        .cat-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .cat-card i {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .cat-card h3 {
            font-size: 1.3rem;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .cat-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin: 0;
        }

        /* RESOURCE LIST */
        .resource-section {
            background: var(--primary-bg);
        }
        .resource-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }
        .resource-list h2 {
            color: var(--accent-gold);
            font-size: 1.8rem;
            margin-bottom: 1.8rem;
        }
        .resource-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255,215,0,0.1);
        }
        .resource-item:last-child {
            border-bottom: none;
        }
        .resource-icon {
            background: rgba(255,215,0,0.15);
            border-radius: 50%;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .resource-icon i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }
        .resource-content h4 {
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .resource-content p {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin: 0;
        }
        .resource-sidebar {
            background: rgba(18,62,37,0.4);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid rgba(255,215,0,0.15);
            height: fit-content;
        }
        .resource-sidebar h3 {
            color: var(--accent-gold);
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
        }
        .resource-sidebar ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .resource-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            font-size: 0.95rem;
        }
        .resource-sidebar ul li a {
            color: var(--text-mint);
            transition: color 0.2s;
        }
        .resource-sidebar ul li a:hover {
            color: var(--accent-gold);
        }

        /* NEWS / INFO SECTION */
        .news-section {
            background: var(--footer-bg);
            border-top: 1px solid rgba(255,215,0,0.08);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        .news-list h2 {
            color: var(--accent-gold);
            font-size: 1.8rem;
            margin-bottom: 1.8rem;
        }
        .news-item {
            display: block;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255,215,0,0.1);
            color: var(--text-white);
            transition: color 0.2s;
        }
        .news-item:hover {
            color: var(--accent-gold);
        }
        .news-item h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .news-item .news-meta {
            font-size: 0.8rem;
            color: var(--text-mint);
            opacity: 0.8;
        }
        .news-promo-box {
            background: rgba(18,62,37,0.6);
            border-radius: var(--radius-md);
            padding: 40px 30px;
            border: 1px solid rgba(255,215,0,0.2);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .news-promo-box h3 {
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .news-promo-box p {
            color: var(--text-mint);
            margin-bottom: 2rem;
        }
        .btn-news-promo {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 14px 35px;
            border-radius: 30px;
            font-weight: 800;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .btn-news-promo:hover {
            background: #FFE44D;
            transform: scale(1.03);
        }

        /* DOWNLOAD / CTA SECTION */
        .download-cta {
            background: linear-gradient(135deg, #123E25, #0A2E1C);
            text-align: center;
            border-top: 2px solid rgba(255,215,0,0.2);
        }
        .download-cta h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .download-cta p {
            color: var(--text-mint);
            max-width: 600px;
            margin: 0 auto 2.5rem;
        }
        .download-btns {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-download {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 15px 40px;
            border-radius: 40px;
            font-weight: 800;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            transition: all 0.3s;
            box-shadow: 0 6px 22px rgba(255,215,0,0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-download:hover {
            background: #FFE44D;
            transform: translateY(-3px);
        }
        .btn-download-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 15px 40px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            font-size: 1.05rem;
            transition: all 0.3s;
        }
        .btn-download-outline:hover {
            background: rgba(255,215,0,0.08);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-bg);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            transition: all 0.3s;
            opacity: 0.7;
            animation: floatFab 3s infinite ease-in-out;
        }
        .fab-left i {
            color: var(--accent-gold);
            font-size: 1.6rem;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.15) rotate(360deg);
            box-shadow: 0 8px 35px rgba(255,215,0,0.5);
        }
        @keyframes floatFab {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* FOOTER */
        .site-footer {
            background: var(--footer-bg);
            padding: 50px 0 30px;
            border-top: 2px solid rgba(255,215,0,0.15);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .footer-links h4 {
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-mint);
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 25px;
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.8;
        }
        .trust-badges {
            display: flex;
            gap: 20px;
            align-items: center;
            margin-top: 1rem;
            flex-wrap: wrap;
        }
        .trust-badge {
            background: rgba(255,215,0,0.1);
            border-radius: 20px;
            padding: 6px 14px;
            font-size: 0.8rem;
            border: 1px solid rgba(255,215,0,0.2);
            color: var(--accent-gold);
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                order: -1;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .cat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10,46,28,0.98);
                flex-direction: column;
                padding: 25px;
                gap: 18px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
        }
        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .btn-hero-primary, .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .download-btns {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: article */
:root {
    --primary-bg: #0A2E1C;
    --primary-bg-alt: #123E25;
    --accent-gold: #FFD700;
    --accent-red: #D32F2F;
    --text-white: #FFFFFF;
    --text-mint: #D1F2EB;
    --text-dark: #1A1A1A;
    --border-gold: #B8860B;
    --footer-bg: #071D12;
    --card-bg: rgba(18,62,37,0.7);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-gold: 0 8px 30px rgba(255,215,0,0.15);
    --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
    --font-body: 'Segoe UI', 'Roboto', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--primary-bg);
    color: var(--text-white);
    line-height: 1.65;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color 0.2s; }
a:hover, a:focus { color: var(--accent-gold); outline: none; }

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

.container-main { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

.section-padding { padding: 80px 0; }

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--accent-gold);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-mint);
    max-width: 700px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

/* Navigation */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10,46,28,0.95);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,215,0,0.25);
    transition: background 0.3s;
}

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

.nav-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-gold);
    letter-spacing: -0.3px;
    white-space: nowrap;
    line-height: 1.3;
}

.nav-logo span { color: var(--text-white); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-white);
    position: relative;
    padding: 6px 0;
}

.nav-links a.active {
    color: var(--accent-gold);
}

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

.auth-btns {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-login {
    background: transparent;
    border: 1.5px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 10px 22px;
    border-radius: 30px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    font-size: 0.9rem;
}

.btn-login:hover {
    background: var(--accent-gold);
    color: var(--primary-bg);
}

.btn-signup {
    background: var(--accent-gold);
    color: var(--primary-bg);
    padding: 10px 26px;
    border-radius: 30px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(255,215,0,0.3);
}

.btn-signup:hover {
    background: #FFE44D;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,215,0,0.45);
}

.mobile-toggle {
    display: none;
    font-size: 1.6rem;
    color: var(--accent-gold);
    cursor: pointer;
    background: none;
    border: none;
}

/* Article Header Banner */
.article-banner {
    background: linear-gradient(180deg, #0A2E1C 0%, #0C3321 40%, #123E25 100%);
    position: relative;
    overflow: hidden;
    padding: 150px 0 80px;
    text-align: left;
}

.article-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    opacity: 0.12;
    z-index: 0;
}

.article-banner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.article-banner-content h1 {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--accent-gold);
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-mint);
    margin-bottom: 1.5rem;
    align-items: center;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-meta i {
    color: var(--accent-gold);
}

.article-badge {
    display: inline-block;
    background: var(--accent-red);
    color: white;
    padding: 6px 18px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-banner-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-gold);
    border: 2px solid rgba(255,215,0,0.3);
}

.article-banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Article Content Area */
.article-content-section {
    padding: 60px 0 40px;
    background: var(--primary-bg);
}

.article-layout {
    max-width: 860px;
    margin: 0 auto;
}

.article-body {
    background: var(--card-bg);
    border: 1px solid rgba(255,215,0,0.2);
    border-radius: var(--radius-lg);
    padding: 50px;
    color: var(--text-white);
    line-height: 1.85;
    font-size: 1.05rem;
    box-shadow: var(--shadow-card);
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin: 2rem 0 1rem;
    border-left: 4px solid var(--accent-gold);
    padding-left: 16px;
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin: 1.8rem 0 0.8rem;
}

.article-body p {
    margin-bottom: 1.2rem;
    color: var(--text-mint);
}

.article-body ul, .article-body ol {
    margin: 1.2rem 0 1.5rem 1.8rem;
    color: var(--text-mint);
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body blockquote {
    border-left: 4px solid var(--accent-gold);
    background: rgba(255,215,0,0.05);
    padding: 20px 24px;
    margin: 2rem 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--accent-gold);
    font-size: 1.1rem;
}

.article-body strong {
    color: var(--accent-gold);
    font-weight: 700;
}

/* Related Tips Section */
.related-tips {
    background: var(--primary-bg-alt);
    padding: 60px 0;
    border-top: 1px solid rgba(255,215,0,0.15);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 2rem;
}

.tip-card {
    background: var(--card-bg);
    border: 1px solid rgba(255,215,0,0.2);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.3s;
    box-shadow: var(--shadow-card);
}

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

.tip-card-icon {
    font-size: 2.2rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.tip-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 0.6rem;
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #0E3824 0%, #0A2E1C 100%);
    padding: 60px 0;
    text-align: center;
    border-top: 2px solid var(--accent-gold);
}

.cta-box {
    max-width: 700px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--text-mint);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.btn-cta-gold {
    background: var(--accent-gold);
    color: var(--primary-bg);
    padding: 15px 40px;
    border-radius: 40px;
    font-weight: 800;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 25px rgba(255,215,0,0.35);
    display: inline-block;
}

.btn-cta-gold:hover {
    background: #FFE44D;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255,215,0,0.5);
    color: var(--primary-bg);
}

/* Footer */
.site-footer {
    background: var(--footer-bg);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255,215,0,0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.trust-badges {
    display: flex;
    gap: 12px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.trust-badge {
    background: rgba(255,215,0,0.1);
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.footer-links h4 {
    color: var(--accent-gold);
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 1rem;
}

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

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

.footer-links a {
    color: var(--text-mint);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    color: var(--text-mint);
    font-size: 0.85rem;
    padding-top: 25px;
    border-top: 1px solid rgba(255,215,0,0.15);
}

/* Not Found State */
.not-found-state {
    text-align: center;
    padding: 80px 20px;
}

.not-found-state i {
    font-size: 4rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

.not-found-state h2 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.not-found-state .btn-back {
    margin-top: 1.5rem;
    display: inline-block;
    background: var(--accent-gold);
    color: var(--primary-bg);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 1024px) {
    .article-banner-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }
    .article-banner-content h1 {
        font-size: 2.2rem;
    }
    .tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-body {
        padding: 35px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(10,46,28,0.98);
        padding: 20px;
        gap: 1rem;
    }
    .nav-links.active-mobile {
        display: flex;
    }
    .mobile-toggle {
        display: block;
    }
    .auth-btns {
        gap: 8px;
    }
    .btn-login, .btn-signup {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    .nav-logo {
        font-size: 1.1rem;
    }
    .article-banner {
        padding: 130px 0 60px;
    }
    .article-banner-content h1 {
        font-size: 1.8rem;
    }
    .article-body {
        padding: 25px;
        font-size: 1rem;
    }
    .tips-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 520px) {
    .article-banner {
        padding: 120px 0 50px;
    }
    .article-banner-content h1 {
        font-size: 1.5rem;
    }
    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
    .article-body {
        padding: 20px;
    }
    .cta-box h2 {
        font-size: 1.5rem;
    }
}

/* FAB */
.fab-support {
    position: fixed;
    left: 16px;
    bottom: 96px;
    z-index: 999;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(145deg, #1A3D2B, #0E2E1A);
    border: 2px solid var(--accent-gold);
    box-shadow: 0 4px 20px rgba(255,215,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    opacity: 0.7;
    animation: floatFAB 3s ease-in-out infinite;
}

.fab-support i {
    font-size: 1.6rem;
    color: var(--accent-gold);
}

.fab-support:hover {
    opacity: 1;
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(255,215,0,0.5);
}

.fab-support::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
    background: var(--accent-red);
    border-radius: 50%;
    animation: blinkDot 1.5s infinite;
}

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

@keyframes blinkDot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --primary-bg-alt: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-gold: #B8860B;
            --footer-bg: #071D12;
            --card-bg: rgba(18,62,37,0.7);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-gold: 0 8px 30px rgba(255,215,0,0.15);
            --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
            --font-body: 'Segoe UI', 'Roboto', sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }

        a:hover,
        a:focus {
            color: var(--accent-gold);
            outline: none;
        }

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

        .container-main {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--accent-gold);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        /* NAVIGATION */
        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            transition: background 0.3s;
        }

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

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1.3;
        }

        .nav-logo span {
            color: var(--text-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active {
            color: var(--accent-gold);
        }

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

        .auth-btns {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 800;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
        }

        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.45);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            background: none;
            border: none;
        }

        /* HERO */
        .hero-video-section {
            margin-top: 70px;
            position: relative;
            overflow: hidden;
            height: 520px;
        }

        .hero-video-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            filter: brightness(0.35);
            z-index: 0;
        }

        .hero-video-overlay {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            text-align: center;
            padding: 0 20px;
        }

        .hero-play-btn {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-size: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 2rem;
            box-shadow: 0 0 40px rgba(255, 215, 0, 0.5);
            cursor: pointer;
            transition: all 0.3s;
        }

        .hero-play-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 60px rgba(255, 215, 0, 0.7);
        }

        .hero-video-overlay h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .hero-video-overlay .hero-desc {
            font-size: 1.15rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .btn-hero-cta {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 16px 40px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
        }

        .btn-hero-cta:hover {
            background: #FFE44D;
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 215, 0, 0.55);
        }

        /* METRICS DASHBOARD */
        .metrics-dash {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-top: -60px;
            position: relative;
            z-index: 5;
        }

        .metric-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-md);
            padding: 30px 25px;
            text-align: center;
            transition: all 0.3s;
        }

        .metric-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }

        .metric-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            font-weight: 600;
        }

        /* SERVICE MATRIX */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .strategy-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: all 0.3s;
        }

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

        .strategy-card-img {
            height: 200px;
            overflow: hidden;
        }

        .strategy-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .strategy-card:hover .strategy-card-img img {
            transform: scale(1.08);
        }

        .strategy-card-body {
            padding: 25px;
        }

        .strategy-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .strategy-card-body p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 15px;
        }

        .strategy-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* COMPARISON TABLE */
        .comparison-section {
            background: var(--primary-bg-alt);
        }

        .compare-table-wrapper {
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 2rem;
        }

        .compare-table th {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 18px 20px;
            font-weight: 700;
            font-size: 1.05rem;
            text-align: left;
            border-bottom: 2px solid var(--accent-gold);
        }

        .compare-table td {
            padding: 16px 20px;
            color: var(--text-mint);
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            font-size: 0.95rem;
        }

        .compare-table tr:hover td {
            background: rgba(255, 215, 0, 0.05);
        }

        .badge-check {
            color: #4CAF50;
            font-weight: 700;
        }

        .badge-warn {
            color: #FFA000;
            font-weight: 700;
        }

        /* FAQ */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 0;
            margin-bottom: 16px;
            transition: all 0.3s;
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.1rem;
            font-weight: 700;
            padding: 22px 28px;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.2s;
        }

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

        .faq-question i {
            transition: transform 0.3s;
            font-size: 0.9rem;
            color: var(--accent-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 28px;
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 28px 22px;
        }

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

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0E3824 0%, #0A2E1C 100%);
            border-top: 2px solid rgba(255, 215, 0, 0.3);
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            text-align: center;
        }

        .cta-section .section-title {
            font-size: 2rem;
        }

        /* FOOTER */
        .site-footer {
            background: var(--footer-bg);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.25);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 35px;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }

        .trust-badge {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .footer-links h4 {
            color: var(--accent-gold);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.18);
            padding-top: 24px;
            text-align: center;
            color: var(--text-mint);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 900;
            width: 56px;
            height: 56px;
            background: var(--primary-bg);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.3s;
            opacity: 0.7;
            animation: floatBreath 3s ease-in-out infinite;
        }

        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .fab-float i {
            font-size: 1.6rem;
            color: var(--accent-gold);
        }

        .fab-notif {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: blinkNotif 1.2s infinite;
        }

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

        @keyframes blinkNotif {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-video-overlay h1 {
                font-size: 2.2rem;
            }

            .metrics-dash {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -40px;
            }

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

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 1rem;
                border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            }

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

            .mobile-toggle {
                display: block;
            }

            .auth-btns {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .hero-video-section {
                height: 420px;
            }

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

            .hero-desc {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .metrics-dash {
                grid-template-columns: 1fr 1fr;
                gap: 15px;
                margin-top: -20px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .fab-float {
                left: 1rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
            }
        }

        @media (max-width: 520px) {
            .hero-video-section {
                height: 380px;
            }

            .hero-play-btn {
                width: 65px;
                height: 65px;
                font-size: 1.4rem;
            }

            .hero-video-overlay h1 {
                font-size: 1.5rem;
            }

            .metrics-dash {
                grid-template-columns: 1fr;
                margin-top: -15px;
            }

            .section-padding {
                padding: 50px 0;
            }

            .btn-hero-cta {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --primary-bg-alt: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-gold: #B8860B;
            --footer-bg: #071D12;
            --card-bg: rgba(18,62,37,0.7);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-gold: 0 8px 30px rgba(255,215,0,0.15);
            --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
            --font-body: 'Segoe UI', 'Roboto', sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover, a:focus {
            color: var(--accent-gold);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-main {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--accent-gold);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        /* NAVIGATION */
        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10,46,28,0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: background 0.3s;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1.3;
        }
        .nav-logo span {
            color: var(--text-white);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            position: relative;
            padding: 6px 0;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-btns {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 800;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(255,215,0,0.3);
        }
        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255,215,0,0.45);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            background: none;
            border: none;
        }
        /* HERO – Flash Sale Countdown Style */
        .hero-section {
            padding: 150px 0 100px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0E3824 50%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-flash-container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .flash-countdown-banner {
            background: rgba(211,47,47,0.25);
            border: 1px solid var(--accent-red);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            backdrop-filter: blur(8px);
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 18px;
        }
        .countdown-label {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--accent-gold);
        }
        .countdown-label i {
            font-size: 1.4rem;
            animation: pulse-scale 1.2s infinite;
        }
        @keyframes pulse-scale {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.25); }
        }
        .countdown-timer {
            display: flex;
            gap: 12px;
        }
        .countdown-box {
            background: var(--primary-bg-alt);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            min-width: 55px;
            text-align: center;
        }
        .countdown-box .num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
        }
        .countdown-box .label {
            font-size: 0.7rem;
            color: var(--text-mint);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            line-height: 1.25;
        }
        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 1.8rem;
            line-height: 1.75;
        }
        .hero-feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255,215,0,0.3);
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-gold);
        }
        .feature-card-title {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .feature-stats {
            display: flex;
            gap: 30px;
            margin-top: 18px;
        }
        .stat-item {
            text-align: left;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        .btn-hero-primary {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 15px 36px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255,215,0,0.35);
            display: inline-block;
        }
        .btn-hero-primary:hover {
            background: #FFE44D;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255,215,0,0.5);
        }
        /* BENEFIT CARDS */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .benefit-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid rgba(255,215,0,0.2);
            transition: all 0.3s;
            backdrop-filter: blur(6px);
        }
        .benefit-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-5px);
        }
        .benefit-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .benefit-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        .benefit-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        /* RULES / PROCESS */
        .process-timeline {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .process-step {
            display: grid;
            grid-template-columns: 50px 1fr;
            gap: 20px;
            align-items: flex-start;
        }
        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 900;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h3 {
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--accent-gold);
        }
        .step-content p {
            color: var(--text-mint);
            line-height: 1.7;
        }
        /* COMPARISON TABLE */
        .compare-table-wrap {
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .compare-table th {
            background: var(--primary-bg-alt);
            color: var(--accent-gold);
            font-weight: 800;
            padding: 16px;
            text-align: left;
            font-size: 0.95rem;
        }
        .compare-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255,215,0,0.1);
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .badge-green {
            background: rgba(50,205,50,0.2);
            color: #32CD32;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
        }
        .badge-red {
            background: rgba(211,47,47,0.2);
            color: var(--accent-red);
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            border: 1px solid rgba(255,215,0,0.2);
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 800;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-white);
        }
        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s;
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-mint);
            line-height: 1.7;
            display: none;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        /* CTA SECTION */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-bg-alt), #0C3822);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: left;
        }
        .cta-section h2 {
            color: var(--accent-gold);
            font-weight: 900;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-mint);
            margin-bottom: 24px;
            max-width: 600px;
        }
        .btn-cta-large {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 16px 40px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255,215,0,0.3);
        }
        .btn-cta-large:hover {
            background: #FFE44D;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255,215,0,0.5);
        }
        /* FOOTER */
        .site-footer {
            background: var(--footer-bg);
            padding: 60px 0 25px;
            border-top: 2px solid rgba(255,215,0,0.3);
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .trust-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .trust-badge {
            background: rgba(255,215,0,0.15);
            border: 1px solid rgba(255,215,0,0.4);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .footer-links h4 {
            color: var(--accent-gold);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 24px;
            bottom: 80px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-bg-alt);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            transition: all 0.3s;
            animation: float-gentle 3s ease-in-out infinite;
        }
        @keyframes float-gentle {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        .fab-floating:hover {
            transform: scale(1.15) translateY(-5px);
            box-shadow: 0 8px 30px rgba(255,215,0,0.5);
            border-color: #FFE44D;
        }
        .fab-floating i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--primary-bg-alt);
            animation: blink-dot 1.2s infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* RESPONSIVE */
        @media screen and (max-width: 1024px) {
            .hero-flash-container {
                grid-template-columns: 1fr;
                gap: 35px;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        @media screen and (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10,46,28,0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 2px solid rgba(255,215,0,0.3);
            }
            .nav-links.show {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .auth-btns {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: 130px 0 60px;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .flash-countdown-banner {
                flex-direction: column;
                text-align: center;
            }
            .countdown-timer {
                justify-content: center;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .fab-floating {
                left: 16px;
                bottom: 70px;
                width: 48px;
                height: 48px;
            }
        }
        @media screen and (max-width: 520px) {
            .hero-section {
                padding: 120px 0 50px;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .countdown-box .num {
                font-size: 1.4rem;
            }
            .countdown-box .label {
                font-size: 0.65rem;
            }
            .cta-section {
                padding: 30px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0A2E1C;
            --primary-bg-alt: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-gold: #B8860B;
            --footer-bg: #071D12;
            --card-bg: rgba(18,62,37,0.7);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-gold: 0 8px 30px rgba(255,215,0,0.15);
            --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
            --font-body: 'Segoe UI', 'Roboto', sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover, a:focus {
            color: var(--accent-gold);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-main {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--accent-gold);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        /* HEADER / NAVIGATION giữ nguyên từ shared_blocks */
        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10,46,28,0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: background 0.3s;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1.3;
        }
        .nav-logo span {
            color: var(--text-white);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            position: relative;
            padding: 6px 0;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-btns {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 800;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(255,215,0,0.3);
        }
        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255,215,0,0.45);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            background: none;
            border: none;
        }
        /* CATEGORY PAGE SPECIFIC: Hero với dữ liệu dự đoán */
        .cat-hero {
            padding: 140px 0 80px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3825 50%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cat-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cat-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
            line-height: 1.2;
        }
        .cat-hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }
        .btn-hero-primary {
            background: var(--accent-gold);
            color: var(--primary-bg);
            padding: 15px 36px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255,215,0,0.35);
        }
        .btn-hero-primary:hover {
            background: #FFE44D;
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255,215,0,0.5);
        }
        .btn-hero-secondary {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn-hero-secondary:hover {
            background: rgba(255,215,0,0.15);
        }
        /* Bảng fake dữ liệu bên phải (faux data panel) */
        .data-panel {
            background: rgba(18,62,37,0.8);
            padding: 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-gold);
            text-align: left;
        }
        .data-panel h3 {
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            font-weight: 700;
        }
        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,215,0,0.2);
        }
        .data-label {
            font-size: 0.95rem;
            color: var(--text-mint);
        }
        .data-value {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .data-value.up {
            color: #32CD32;
        }
        .data-value.alert {
            color: var(--accent-red);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.6; }
            100% { opacity: 1; }
        }
        /* METRIC CARDS (đầu mò phân tích) */
        .metrics-section {
            background: var(--primary-bg-alt);
            padding: 70px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            text-align: center;
        }
        .metric-card {
            background: var(--card-bg);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--radius-md);
            padding: 30px 20px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }
        .metric-card .metric-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .metric-card .metric-label {
            font-size: 0.95rem;
            color: var(--text-mint);
        }
        /* PHÂN TÍCH CHI TIẾT */
        .analysis-block {
            padding: 80px 0;
            background: var(--primary-bg);
        }
        .analysis-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .analysis-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }
        .analysis-text p {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        .analysis-text ul {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0;
        }
        .analysis-text ul li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-mint);
        }
        .analysis-text ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-gold);
            font-weight: bold;
        }
        .analysis-image img {
            border-radius: var(--radius-md);
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-card);
        }
        /* METHODS */
        .methods-section {
            background: var(--primary-bg-alt);
            padding: 80px 0;
        }
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .method-card {
            background: var(--card-bg);
            padding: 35px 25px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,215,0,0.15);
            transition: all 0.3s;
        }
        .method-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .method-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .method-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }
        .method-card p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.7;
        }
        /* TÍN HIỆU */
        .signals-section {
            padding: 80px 0;
            background: var(--primary-bg);
        }
        .signals-table {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .signal-row {
            display: grid;
            grid-template-columns: 1fr 2fr 2fr;
            padding: 18px 25px;
            border-bottom: 1px solid rgba(255,215,0,0.15);
            align-items: center;
        }
        .signal-row:last-child {
            border-bottom: none;
        }
        .signal-row.header-row {
            background: rgba(255,215,0,0.1);
            font-weight: 700;
            color: var(--accent-gold);
        }
        .signal-row .signal-tier {
            font-weight: 700;
            color: var(--accent-gold);
        }
        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--primary-bg-alt);
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255,215,0,0.2);
            border-radius: var(--radius-sm);
            margin-bottom: 15px;
            padding: 0;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 20px 25px;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: rgba(255,215,0,0.05);
        }
        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s;
        }
        .faq-answer {
            padding: 0 25px 20px;
            color: var(--text-mint);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            text-align: left;
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 40px;
            align-items: center;
        }
        .cta-inner h2 {
            color: var(--accent-gold);
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .cta-inner p {
            color: var(--text-mint);
            font-size: 1.1rem;
        }
        /* FOOTER giữ nguyên shared */
        .site-footer {
            background: var(--footer-bg);
            border-top: 2px solid var(--border-gold);
            padding: 60px 0 30px;
            color: var(--text-mint);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .trust-badges {
            display: flex;
            gap: 12px;
            margin-top: 15px;
        }
        .trust-badge {
            background: rgba(255,215,0,0.15);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--accent-gold);
            border: 1px solid rgba(255,215,0,0.3);
        }
        .footer-links h4 {
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-links ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-mint);
            text-align: center;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .cat-hero-grid, .analysis-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10,46,28,0.98);
                padding: 20px;
                gap: 1rem;
            }
            .nav-links.active-mob {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .cat-hero-text h1 {
                font-size: 2rem;
            }
            .metrics-grid, .methods-grid {
                grid-template-columns: 1fr;
            }
            .signal-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .footer-grid, .cta-inner {
                grid-template-columns: 1fr;
            }
        }