/* roulang page: index */
:root {
            --primary-deep: #0A2E1C;
            --primary-forest: #123E25;
            --primary-mid: #1A4F32;
            --accent-gold: #FFD700;
            --accent-gold-dark: #D4AC0D;
            --accent-red: #D32F2F;
            --accent-red-bright: #E53935;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-pale: #A8D5C5;
            --bg-dark: #081F14;
            --bg-card: rgba(18, 62, 37, 0.55);
            --bg-card-hover: rgba(26, 79, 50, 0.75);
            --border-gold: rgba(255, 215, 0, 0.3);
            --border-gold-light: rgba(255, 215, 0, 0.5);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-round: 50%;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.15);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.22);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-red: 0 4px 18px rgba(211, 47, 47, 0.2);
            --transition-fast: 0.2s ease;
            --transition-base: 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-heading: 'Playfair Display', 'Be Vietnam Pro', serif;
            --container-max: 1180px;
            --nav-height: 76px;
            --z-nav: 100;
            --z-fab: 90;
            --z-overlay: 95;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.62;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        :focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== NAVBAR ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: var(--z-nav);
            background: rgba(8, 31, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.solid {
            background: rgba(8, 31, 20, 0.98);
            box-shadow: var(--shadow-md);
        }

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

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #0A2E1C;
            box-shadow: var(--shadow-gold);
        }

        .nav-brand-text {
            font-weight: 700;
            font-size: 1.06rem;
            line-height: 1.2;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }

        .nav-brand-text strong {
            color: var(--accent-gold);
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin-left: auto;
        }

        .nav-links a {
            display: inline-block;
            padding: 9px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-mint);
            border-radius: 8px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-links a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }

        .nav-links a.active {
            background: rgba(255, 215, 0, 0.16);
            color: var(--accent-gold);
            font-weight: 600;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--text-mint);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 10px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }

        .btn-signup {
            padding: 9px 20px;
            font-size: 0.86rem;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--accent-gold), #E6C200);
            border-radius: 10px;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE033, var(--accent-gold));
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.3);
            color: #0A2E1C;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--text-white);
            transition: all var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            padding-top: var(--nav-height);
            display: flex;
            align-items: stretch;
            overflow: hidden;
            background: linear-gradient(165deg, #071F14 0%, #0A2E1C 45%, #0E3922 100%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
            clip-path: polygon(18% 0, 100% 0, 100% 100%, 0% 100%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 180px;
            background: linear-gradient(to top, var(--bg-dark) 8%, transparent 100%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 60px 24px 48px;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            align-self: flex-start;
            padding: 8px 16px;
            background: rgba(211, 47, 47, 0.18);
            border: 1px solid rgba(211, 47, 47, 0.4);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #FFCDD2;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .hero-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-red-bright);
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2.1rem, 4.5vw, 3.4rem);
            font-weight: 700;
            line-height: 1.18;
            letter-spacing: -0.02em;
            color: var(--text-white);
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.35);
        }

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

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            border-radius: 2px;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            line-height: 1.68;
            max-width: 520px;
            opacity: 0.92;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            font-size: 1rem;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFE033, var(--accent-gold));
            border-radius: 14px;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.28);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #FFF066, #FFE033);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 215, 0, 0.4);
            color: #0A2E1C;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 14px;
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .hero-kpi {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-kpi-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-kpi-num {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .hero-kpi-label {
            font-size: 0.78rem;
            color: var(--text-pale);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

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

        .hero-img-wrap {
            position: relative;
            width: 100%;
            max-width: 430px;
            aspect-ratio: 4 / 5;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 215, 0, 0.18);
            transform: perspective(800px) rotateY(-4deg) rotateX(2deg);
            transition: transform var(--transition-base);
        }

        .hero-img-wrap:hover {
            transform: perspective(800px) rotateY(0deg) rotateX(0deg) scale(1.01);
        }

        .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .hero-img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 24px 20px;
            background: linear-gradient(to top, rgba(8, 31, 20, 0.95) 10%, transparent 100%);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .hero-img-overlay .img-label {
            font-size: 0.82rem;
            color: var(--accent-gold);
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .hero-img-overlay .img-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }

        /* ===== SECTION BASE ===== */
        .section {
            padding: 76px 0;
        }

        .section-alt {
            background: var(--primary-deep);
        }

        .section-head {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-head.center {
            align-items: center;
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .section-head.center .section-tag::before {
            display: none;
        }

        .section-head.center .section-tag::after {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.7rem, 3.2vw, 2.45rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.015em;
            color: var(--text-white);
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-mint);
            line-height: 1.7;
            opacity: 0.88;
        }

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

        .kpi-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.14);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .kpi-card-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .kpi-card-label {
            font-size: 0.82rem;
            color: var(--text-pale);
            font-weight: 500;
            margin-top: 4px;
        }

        /* ===== STORY SECTION ===== */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .story-text {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .story-text p {
            color: var(--text-mint);
            font-size: 0.96rem;
            line-height: 1.72;
            opacity: 0.9;
        }

        .story-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: var(--shadow-md);
        }

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

        /* ===== NEWS LIST SECTION ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-gold);
            transform: translateX(4px);
            box-shadow: var(--shadow-gold);
        }

        .news-item-index {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .news-item-info {
            flex: 1;
            min-width: 0;
        }

        .news-item-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-meta {
            display: flex;
            gap: 14px;
            font-size: 0.76rem;
            color: var(--text-pale);
        }

        .news-item-meta .cat {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .news-empty {
            padding: 40px 20px;
            text-align: center;
            color: var(--text-pale);
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed rgba(255, 255, 255, 0.2);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-sidebar-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.14);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .news-sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .news-sidebar-card p {
            font-size: 0.86rem;
            color: var(--text-mint);
            line-height: 1.6;
            opacity: 0.88;
        }

        .news-sidebar-card .btn-mini {
            align-self: flex-start;
            margin-top: 6px;
            padding: 9px 18px;
            font-size: 0.82rem;
            font-weight: 600;
            color: #0A2E1C;
            background: var(--accent-gold);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .news-sidebar-card .btn-mini:hover {
            background: #FFE033;
            transform: translateY(-1px);
            color: #0A2E1C;
        }

        /* ===== STEPS / TIMELINE ===== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-gold), rgba(255, 215, 0, 0.2));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 14px 0 26px 20px;
        }

        .timeline-item:last-child {
            padding-bottom: 6px;
        }

        .timeline-dot {
            position: absolute;
            left: -29px;
            top: 18px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent-gold);
            border: 3px solid var(--primary-deep);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
        }

        .timeline-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.65;
            opacity: 0.88;
        }

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

        .matrix-card {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 30px 26px;
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.14);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .matrix-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12), transparent 70%);
            pointer-events: none;
        }

        .matrix-card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid rgba(255, 215, 0, 0.3);
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: all var(--transition-base);
        }

        .matrix-card:hover .matrix-card-icon {
            background: rgba(255, 215, 0, 0.22);
            transform: scale(1.05);
        }

        .matrix-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
        }

        .matrix-card p {
            font-size: 0.86rem;
            color: var(--text-mint);
            line-height: 1.62;
            opacity: 0.86;
        }

        .matrix-card .card-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--accent-gold);
            transition: gap var(--transition-fast);
        }

        .matrix-card .card-link:hover {
            gap: 10px;
        }

        /* ===== RECOMMEND SECTION ===== */
        .reco-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .reco-card {
            display: flex;
            gap: 18px;
            align-items: center;
            padding: 18px;
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .reco-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }

        .reco-card-img {
            flex-shrink: 0;
            width: 90px;
            height: 90px;
            border-radius: 12px;
            overflow: hidden;
        }

        .reco-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .reco-card-info h3 {
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .reco-card-info .meta {
            font-size: 0.76rem;
            color: var(--text-pale);
        }

        /* ===== APP SECTION ===== */
        .app-card {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 40px;
            background: linear-gradient(140deg, rgba(18, 62, 37, 0.85), rgba(8, 31, 20, 0.95));
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
        }

        .app-info {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .app-info h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.5rem, 2.8vw, 2.1rem);
            font-weight: 700;
            color: #fff;
        }

        .app-info p {
            font-size: 0.94rem;
            color: var(--text-mint);
            line-height: 1.68;
        }

        .app-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .app-actions .btn-app {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.22);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transition: all var(--transition-base);
        }

        .app-actions .btn-app:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .app-qr {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .app-qr-box {
            width: 190px;
            height: 190px;
            border-radius: 18px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: #0A2E1C;
            box-shadow: var(--shadow-md);
            text-align: center;
            padding: 12px;
            line-height: 1.4;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.25);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 22px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            text-align: left;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 215, 0, 0.05);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(255, 215, 0, 0.14);
            color: var(--accent-gold);
            font-size: 1.2rem;
            font-weight: 700;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-mint);
            line-height: 1.7;
            opacity: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
            opacity: 1;
        }

        /* ===== CTA SECTION ===== */
        .cta-box {
            text-align: center;
            padding: 56px 40px;
            background: linear-gradient(145deg, #123E25, #0A2E1C);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 120px;
            background: radial-gradient(ellipse, rgba(255, 215, 0, 0.18), transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 1rem;
            color: var(--text-mint);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: #071A11;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 52px 0 28px;
        }

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

        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-brand h3 span {
            color: var(--accent-gold);
        }

        .footer-brand p {
            font-size: 0.86rem;
            color: var(--text-pale);
            line-height: 1.65;
        }

        .footer-col h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 0.86rem;
            color: var(--text-mint);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom p {
            font-size: 0.78rem;
            color: var(--text-pale);
            opacity: 0.75;
        }

        .footer-bottom .domain {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: var(--z-fab);
            width: 52px;
            height: 52px;
            border-radius: var(--radius-round);
            background: #0A2E1C;
            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;
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
        }

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

        .fab:active {
            transform: scale(0.95);
        }

        .fab-icon {
            font-size: 1.6rem;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
        }

        .fab:hover .fab-icon {
            transform: rotate(360deg);
        }

        .fab-notif {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 13px;
            height: 13px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            animation: pulse-dot 1.6s infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-7px); }
        }

        /* ===== MOBILE OVERLAY ===== */
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: var(--z-overlay);
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(6px);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-overlay.show {
            opacity: 1;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr 1.1fr;
                gap: 32px;
            }

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

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .news-sidebar-card {
                flex: 1;
                min-width: 240px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                padding: 16px 24px 22px;
                background: rgba(8, 31, 20, 0.98);
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                transform: translateY(-120%);
                transition: transform var(--transition-base);
                z-index: var(--z-overlay);
            }

            .nav-links.show {
                transform: translateY(0);
            }

            .nav-links a {
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-overlay {
                display: block;
                pointer-events: none;
            }

            .mobile-overlay.show {
                pointer-events: auto;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
                padding-top: 36px;
                text-align: left;
            }

            .hero-content {
                gap: 18px;
            }

            .hero-title {
                font-size: clamp(1.8rem, 6vw, 2.4rem);
            }

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

            .hero-kpi {
                gap: 18px;
            }

            .hero-img-wrap {
                max-width: 320px;
                margin: 0 auto;
            }

            .section {
                padding: 52px 0;
            }

            .story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .story-img-wrap {
                aspect-ratio: 16 / 10;
            }

            .matrix-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .reco-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .app-card {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 28px 24px;
            }

            .app-qr {
                order: -1;
            }

            .cta-box {
                padding: 40px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .fab {
                left: 14px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }

            .navbar {
                gap: 10px;
            }

            .nav-brand-text {
                font-size: 0.92rem;
            }

            .nav-brand-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-inner {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-kpi {
                flex-direction: column;
                gap: 10px;
            }

            .hero-kpi-num {
                font-size: 1.35rem;
            }

            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-cta .btn-primary,
            .hero-cta .btn-secondary {
                justify-content: center;
                text-align: center;
            }

            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .kpi-card {
                padding: 18px 14px;
            }

            .kpi-card-num {
                font-size: 1.6rem;
            }

            .news-layout {
                gap: 20px;
            }

            .news-item {
                padding: 14px 16px;
                gap: 12px;
            }

            .news-item-index {
                width: 34px;
                height: 34px;
                font-size: 0.78rem;
            }

            .news-sidebar {
                flex-direction: column;
            }

            .timeline {
                padding-left: 24px;
            }

            .timeline-item {
                padding-left: 14px;
            }

            .timeline-dot {
                left: -22px;
                width: 15px;
                height: 15px;
                border-width: 2px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .fab {
                left: 12px;
                bottom: 70px;
                width: 44px;
                height: 44px;
            }

            .fab-icon {
                font-size: 1.3rem;
            }

            .nav-auth {
                gap: 6px;
            }

            .btn-login {
                padding: 7px 10px;
                font-size: 0.72rem;
            }

            .btn-signup {
                padding: 7px 12px;
                font-size: 0.72rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #121722;
            --bg-elevated: #161C2B;
            --gold: #C5A059;
            --gold-bright: #FFBF00;
            --gold-muted: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --border-subtle: rgba(197, 160, 89, 0.2);
            --border-gold: rgba(197, 160, 89, 0.45);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-gold: 0 4px 20px rgba(255, 191, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Be Vietnam Pro', sans-serif;
            --font-serif: 'Playfair Display', serif;
            --container: 1200px;
            --header-height: 76px;
            --z-header: 1000;
            --z-fab: 1100;
            --z-menu: 1050;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(circle at 20% 10%, rgba(197,160,89,0.06), transparent 35%),
                              radial-gradient(circle at 85% 30%, rgba(13,17,30,0.9), transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.25rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.25rem, 2.5vw, 1.6rem);
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- Header & Navigation ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: var(--z-header);
            background: rgba(8,9,15,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(197,160,89,0.15);
            box-shadow: 0 4px 30px rgba(0,0,0,0.35);
            transition: var(--transition);
        }

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

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(197,160,89,0.25), rgba(255,191,0,0.1));
            border: 1px solid var(--border-gold);
            color: var(--gold-bright);
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 800;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }

        .nav-brand:hover .nav-brand-icon {
            transform: rotate(-8deg);
            box-shadow: 0 6px 24px rgba(255,191,0,0.25);
        }

        .nav-brand-text {
            font-size: 1.2rem;
            font-weight: 500;
            letter-spacing: -0.01em;
        }

        .nav-brand-text strong {
            font-weight: 800;
            color: var(--gold-bright);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin-left: auto;
        }

        .nav-links li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--gold-bright);
            background: rgba(197,160,89,0.08);
        }

        .nav-links li a.active {
            color: var(--gold-bright);
            font-weight: 700;
        }

        .nav-links li a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), var(--gold-bright));
            border-radius: 2px;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            margin-left: 8px;
        }

        .btn-login,
        .btn-signup {
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 18px;
            border-radius: 10px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-login {
            color: var(--gold-bright);
            background: transparent;
            border: 1px solid rgba(197,160,89,0.3);
        }

        .btn-login:hover {
            background: rgba(197,160,89,0.1);
            border-color: var(--gold-bright);
        }

        .btn-signup {
            color: #08090F;
            background: linear-gradient(135deg, var(--gold), var(--gold-bright));
            box-shadow: 0 4px 18px rgba(255,191,0,0.3);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #D4AC0D, #FFD700);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.4);
        }

        .btn-signup:active,
        .btn-login:active {
            transform: scale(0.97);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(197,160,89,0.1);
            border: 1px solid rgba(197,160,89,0.25);
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--gold-bright);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ---------- Breadcrumb ---------- */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 24px 0 8px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--gold-bright);
        }

        .breadcrumb .separator {
            color: var(--gold);
            opacity: 0.7;
        }

        .breadcrumb .current {
            color: var(--gold-bright);
            font-weight: 600;
        }

        /* ---------- Article Header ---------- */
        .article-header {
            padding: 24px 0 32px;
        }

        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .article-category {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(197,160,89,0.12);
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            color: var(--gold-bright);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .article-date {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .article-title {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .article-excerpt {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 800px;
            line-height: 1.7;
        }

        /* ---------- Article Content ---------- */
        .article-content {
            padding: 32px 0 48px;
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-primary);
        }

        .article-content img {
            border-radius: var(--radius-lg);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }

        .article-content h2 {
            margin: 32px 0 16px;
            font-weight: 700;
        }

        .article-content h3 {
            margin: 24px 0 12px;
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 16px 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 16px 24px;
            background: rgba(197,160,89,0.05);
            border-left: 4px solid var(--gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--gold-muted);
            font-style: italic;
        }

        .article-content a {
            color: var(--gold-bright);
            border-bottom: 1px solid rgba(255,191,0,0.3);
        }

        .article-content a:hover {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        /* ---------- CTA Section ---------- */
        .cta-section {
            padding: 48px 0;
            border-top: 1px solid rgba(197,160,89,0.15);
            border-bottom: 1px solid rgba(197,160,89,0.15);
            margin: 16px 0 48px;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(197,160,89,0.08), rgba(255,191,0,0.05));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .cta-text h3 {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .cta-text p {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary,
        .btn-secondary {
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--gold), var(--gold-bright));
            color: #08090F;
            box-shadow: 0 6px 20px rgba(255,191,0,0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255,191,0,0.45);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--gold-bright);
        }

        .btn-secondary:hover {
            background: rgba(197,160,89,0.1);
            border-color: var(--gold-bright);
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-align: left;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(197,160,89,0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
        }

        .faq-question .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(197,160,89,0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-bright);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ---------- Floating Action Button ---------- */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: var(--z-fab);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(8,9,15,0.65);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-bright);
            box-shadow: 0 0 20px rgba(0,240,255,0.25);
            transition: var(--transition);
            opacity: 0.7;
        }

        .fab-support::before {
            content: "";
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF, #CCFF00, #FF007F);
            z-index: -1;
            opacity: 0.7;
            animation: borderGlow 3s linear infinite;
        }

        @keyframes borderGlow {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0,240,255,0.5);
        }

        .fab-support:active {
            transform: scale(0.95);
        }

        .fab-support i {
            font-size: 1.4rem;
            animation: pulseIcon 1.5s ease-in-out infinite;
        }

        @keyframes pulseIcon {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(197,160,89,0.15);
            padding: 48px 0 24px;
            margin-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }

        .footer-brand h3 span {
            color: var(--gold-bright);
        }

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

        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: 16px;
            color: var(--gold-muted);
            font-weight: 700;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(197,160,89,0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-bottom .domain {
            color: var(--gold-muted);
            font-weight: 600;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 68px;
            }
            .navbar {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-brand-text {
                font-size: 1rem;
            }
            .nav-links {
                order: 3;
                width: 100%;
                display: none;
                flex-direction: column;
                align-items: flex-start;
                background: rgba(8,9,15,0.98);
                padding: 16px;
                border-radius: 12px;
                border: 1px solid rgba(197,160,89,0.2);
                margin-top: 8px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
            }
            .nav-auth {
                display: flex;
                margin-left: auto;
                gap: 8px;
            }
            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .nav-toggle {
                display: flex;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .cta-box {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-support {
                left: 16px;
                bottom: 72px;
                width: 48px;
                height: 48px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-auth {
                gap: 6px;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .breadcrumb {
                font-size: 0.85rem;
                padding-top: 16px;
            }
            .article-title {
                font-size: 1.6rem;
            }
            .article-header {
                padding: 16px 0 24px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --deep-bg: #062315;
            --accent-gold: #FFD700;
            --accent-gold-dark: #C5A059;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.7);
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-soft: rgba(209, 242, 235, 0.12);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-family: 'Be Vietnam Pro', 'Segoe UI', Tahoma, Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 76px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-white);
            background-color: var(--primary-bg);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(255, 215, 0, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(18, 62, 37, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 50%, rgba(6, 35, 21, 0.95) 0%, var(--primary-bg) 70%);
            background-attachment: fixed;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: #FFE866;
            text-decoration: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER & NAVBAR ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(6, 35, 21, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.97);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
        }

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

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            white-space: nowrap;
            transition: transform var(--transition);
        }

        .nav-brand:hover {
            transform: scale(1.03);
            color: var(--text-white);
        }

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, #FFD700 0%, #D32F2F 100%);
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.4rem;
            border-radius: 50%;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
            transition: transform var(--transition);
        }

        .nav-brand:hover .nav-brand-icon {
            transform: rotate(-8deg) scale(1.05);
        }

        .nav-brand-text strong {
            color: var(--accent-gold);
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            display: inline-block;
            padding: 10px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-mint);
            border-radius: 50px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 10px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-mint);
            background: transparent;
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--text-white);
            border-color: var(--text-mint);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-signup {
            padding: 10px 22px;
            font-size: 0.88rem;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700 0%, #FFC200 100%);
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            background: linear-gradient(135deg, #FFE866 0%, #FFD700 100%);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 3px 12px rgba(255, 215, 0, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 12px;
            border: 1px solid var(--border-soft);
            background: rgba(255, 255, 255, 0.04);
            transition: all var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== HERO ===== */
        .hero {
            padding: calc(var(--header-height) + 70px) 0 80px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(6, 35, 21, 0.6) 0%, rgba(10, 46, 28, 0.85) 40%, var(--primary-bg) 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.jpg') no-repeat center right / cover;
            opacity: 0.2;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, transparent 90%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, transparent 90%);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-copy {
            max-width: 560px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            margin-bottom: 22px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: #FF4444;
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.4);
            }
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

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

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 6px;
            background: rgba(255, 215, 0, 0.35);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 30px;
            max-width: 480px;
            opacity: 0.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 32px;
            font-size: 1rem;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700 0%, #FFB300 100%);
            border-radius: 50px;
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.35);
            transition: all var(--transition-bounce);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 40px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-login:focus-visible,
        .btn-signup:focus-visible,
        .nav-links a:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--text-mint);
            transform: translateY(-2px);
        }

        .hero-panel {
            background: rgba(6, 35, 21, 0.6);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .hero-panel::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 30px;
            right: 30px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            border-radius: 2px;
        }

        .hero-panel-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
        }

        .hero-panel-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 14px;
            font-size: 1.5rem;
        }

        .hero-panel-title {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
        }

        .hero-panel-sub {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
        }

        .hero-step:hover {
            border-color: var(--border-gold);
            background: rgba(255, 255, 255, 0.07);
            transform: translateX(4px);
        }

        .hero-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            font-size: 0.9rem;
            font-weight: 800;
            color: #0A2E1C;
            background: var(--accent-gold);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(255, 215, 0, 0.3);
        }

        .hero-step-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .hero-step-content p {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== SECTION SHARED ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-alt {
            background: var(--secondary-bg);
            background-image: radial-gradient(ellipse at 70% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 14px;
            border-left: 3px solid var(--accent-gold);
            padding-left: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            opacity: 0.9;
        }

        /* ===== STEPS SECTION ===== */
        .steps-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 30px;
            bottom: 30px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-gold), rgba(255, 215, 0, 0.15));
            border-radius: 2px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            position: relative;
        }

        .timeline-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            font-size: 1rem;
            font-weight: 800;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFB300);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            position: relative;
            z-index: 2;
            transition: transform var(--transition);
        }

        .timeline-item:hover .timeline-dot {
            transform: scale(1.1);
        }

        .timeline-content {
            padding-top: 4px;
        }

        .timeline-content h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 6px;
        }

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

        .timeline-content .step-note {
            display: inline-block;
            margin-top: 8px;
            padding: 4px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            border-radius: 20px;
        }

        .steps-visual {
            position: sticky;
            top: 100px;
        }

        .steps-image-card {
            background: rgba(6, 35, 21, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition);
        }

        .steps-image-card:hover {
            transform: translateY(-6px);
        }

        .steps-image-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            object-position: center;
        }

        .steps-image-body {
            padding: 22px 24px 26px;
        }

        .steps-image-body h4 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

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

        .steps-image-tag {
            display: inline-block;
            margin-bottom: 12px;
            padding: 5px 14px;
            font-size: 0.75rem;
            font-weight: 700;
            color: #fff;
            background: var(--accent-red);
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

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

        .req-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .req-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

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

        .req-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            font-size: 1.5rem;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 14px;
            margin-bottom: 16px;
        }

        .req-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .req-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .req-card ul li {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .req-card ul li::before {
            content: '✓';
            color: var(--accent-gold);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* ===== TIPS / BONUS SECTION ===== */
        .bonus-banner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 0;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, rgba(211, 47, 47, 0.06) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .bonus-content {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .bonus-content h3 {
            font-size: 1.7rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .bonus-content h3 .gold {
            color: var(--accent-gold);
        }

        .bonus-content p {
            font-size: 0.98rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.65;
        }

        .bonus-code-box {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 14px 22px;
            background: rgba(6, 35, 21, 0.8);
            border: 1px dashed var(--accent-gold);
            border-radius: 12px;
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1.1rem;
            letter-spacing: 1px;
            margin-bottom: 16px;
            cursor: pointer;
            transition: all var(--transition);
            user-select: all;
        }

        .bonus-code-box:hover {
            background: rgba(6, 35, 21, 0.95);
            border-color: #FFE866;
        }

        .bonus-image {
            min-height: 320px;
            background: url('/assets/images/coverpic/cover-5.jpg') no-repeat center / cover;
            position: relative;
        }

        .bonus-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(10, 46, 28, 0.9) 0%, transparent 60%);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-item.active {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            transition: all var(--transition);
            text-align: left;
            width: 100%;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
        }

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

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--accent-gold);
            transition: transform var(--transition);
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 22px 22px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .faq-answer-inner p + p {
            margin-top: 10px;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(180deg, var(--primary-bg) 0%, var(--deep-bg) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.12) 0%, rgba(211, 47, 47, 0.08) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 60%;
            height: 220%;
            background: radial-gradient(ellipse, rgba(255, 215, 0, 0.15) 0%, transparent 60%);
            transform: rotate(25deg);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 2.1rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-box h2 .gold {
            color: var(--accent-gold);
        }

        .cta-box p {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
            line-height: 1.65;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
            flex-shrink: 0;
        }

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

        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 14px;
        }

        .footer-brand h3 span {
            color: var(--accent-gold);
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: all var(--transition);
            display: inline-block;
        }

        .footer-col ul a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .footer-bottom .domain {
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* ===== FAB (Left Floating Action Button) ===== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0A2E1C 100%);
            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;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all var(--transition-bounce);
            opacity: 0.7;
            animation: fab-breathe 2.5s ease-in-out infinite;
        }

        .fab-support::before {
            content: '👑';
            font-size: 1.3rem;
            transition: transform var(--transition);
        }

        .fab-support::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 12px;
            height: 12px;
            background: #FF4444;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: fab-notification 1.8s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        @keyframes fab-notification {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.3);
            }
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.15);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            animation-play-state: paused;
        }

        .fab-support:hover::before {
            transform: rotate(360deg);
        }

        .fab-support:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-copy {
                max-width: 100%;
            }

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

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

            .steps-visual {
                position: static;
                order: -1;
            }

            .steps-image-card img {
                height: 220px;
            }

            .req-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }

            .bonus-banner {
                grid-template-columns: 1fr;
            }

            .bonus-image {
                min-height: 220px;
                order: -1;
            }

            .bonus-content {
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 66px;
            }

            .container {
                padding: 0 18px;
            }

            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                gap: 0;
                background: rgba(6, 35, 21, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-gold);
                padding: 16px 24px 24px;
                transform: translateY(-120%);
                transition: transform var(--transition);
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links a {
                display: block;
                padding: 14px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-auth {
                margin-left: auto;
                gap: 6px;
            }

            .btn-login {
                padding: 8px 12px;
                font-size: 0.78rem;
            }

            .btn-signup {
                padding: 8px 14px;
                font-size: 0.78rem;
            }

            .nav-brand {
                font-size: 1rem;
            }

            .nav-brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1.2rem;
            }

            .nav-toggle {
                display: flex;
                margin-left: 6px;
            }

            .hero {
                padding: calc(var(--header-height) + 50px) 0 60px;
            }

            .hero-title {
                font-size: 2rem;
                line-height: 1.25;
            }

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

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

            .btn-primary,
            .btn-secondary {
                width: 100%;
                padding: 14px 24px;
                font-size: 0.92rem;
            }

            .hero-panel {
                padding: 24px 18px;
            }

            .hero-step {
                flex-direction: column;
                gap: 10px;
            }

            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .req-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .req-card {
                padding: 22px 18px;
            }

            .bonus-content h3 {
                font-size: 1.4rem;
            }

            .bonus-code-box {
                font-size: 0.95rem;
            }

            .cta-box {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }

            .cta-box h2 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .fab-support {
                left: 12px;
                bottom: 84px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                border-radius: 50%;
            }

            .fab-support::before {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .navbar {
                gap: 8px;
            }

            .nav-brand-text {
                display: none;
            }

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

            .hero-badge {
                font-size: 0.72rem;
                padding: 6px 12px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .timeline-item {
                gap: 14px;
            }

            .timeline-dot {
                width: 40px;
                height: 40px;
                font-size: 0.85rem;
            }

            .timeline-content h3 {
                font-size: 1rem;
            }

            .timeline-content p {
                font-size: 0.84rem;
            }

            .bonus-content {
                padding: 26px 18px;
            }

            .bonus-image {
                min-height: 160px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer-inner {
                padding: 0 16px 18px;
                font-size: 0.84rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .cta-box h2 {
                font-size: 1.4rem;
            }

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

            .cta-actions .btn-primary,
            .cta-actions .btn-secondary {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary-bg: #0A2E1C;
            --color-secondary-bg: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-accent-amber: #FFBF00;
            --color-text-white: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-gray: #A8C5BA;
            --color-border-gold: rgba(255, 215, 0, 0.35);
            --color-border-gold-strong: rgba(255, 215, 0, 0.65);
            --color-card-bg: rgba(18, 62, 37, 0.75);
            --color-card-hover-bg: rgba(20, 70, 42, 0.9);
            --color-overlay-dark: rgba(10, 46, 28, 0.85);
            --color-overlay-hero: rgba(4, 22, 13, 0.72);
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-gold-hover: 0 8px 35px rgba(255, 215, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
            --font-base: 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.375rem;
            --font-size-xl: 1.75rem;
            --font-size-2xl: 2.25rem;
            --font-size-3xl: 2.75rem;
            --font-size-4xl: 3.25rem;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-base);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-normal);
            line-height: 1.65;
            color: var(--color-text-white);
            background-color: var(--color-primary-bg);
            background-image: radial-gradient(ellipse at 50% 0%, rgba(255, 215, 0, 0.04) 0%, transparent 60%),
                              radial-gradient(ellipse at 0% 100%, rgba(18, 62, 37, 0.6) 0%, transparent 50%),
                              radial-gradient(ellipse at 100% 100%, rgba(18, 62, 37, 0.5) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        button:focus-visible {
            outline: 3px solid var(--color-accent-gold);
            outline-offset: 2px;
        }

        a:focus-visible {
            outline: 3px solid var(--color-accent-gold);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ==================== HEADER & NAVIGATION ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-gold);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            transition: background var(--transition-base);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            min-height: 68px;
            position: relative;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-lg);
            color: var(--color-text-white);
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .nav-brand:hover {
            color: var(--color-accent-gold);
        }

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-accent-gold), #B8860B);
            color: #0A2E1C;
            font-weight: var(--font-weight-bold);
            font-size: 1.25rem;
            border-radius: 8px;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .nav-brand-text {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-normal);
        }

        .nav-brand-text strong {
            font-weight: var(--font-weight-bold);
            color: var(--color-accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--color-accent-gold);
        }

        .nav-links a.active {
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-accent-gold);
            box-shadow: inset 0 0 0 1px var(--color-border-gold-strong);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-bold);
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--color-accent-gold), #FFE44D);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE44D, var(--color-accent-gold));
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-1px);
            color: #0A2E1C;
        }

        .btn-signup:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--color-border-gold);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-white);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ==================== HERO SECTION ==================== */
        .hero {
            position: relative;
            padding-top: 130px;
            padding-bottom: 80px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(4, 22, 13, 0.88) 0%, rgba(10, 46, 28, 0.75) 50%, rgba(4, 22, 13, 0.88) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--color-border-gold-strong);
            color: var(--color-accent-gold);
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-semibold);
            letter-spacing: 0.4px;
            margin-bottom: 18px;
        }

        .hero-badge i {
            font-size: var(--font-size-sm);
        }

        .hero-content h1 {
            font-size: var(--font-size-4xl);
            font-weight: var(--font-weight-bold);
            line-height: 1.18;
            color: var(--color-text-white);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-content h1 .highlight {
            color: var(--color-accent-gold);
        }

        .hero-subtitle {
            font-size: var(--font-size-md);
            color: var(--color-text-mint);
            line-height: 1.7;
            margin-bottom: 14px;
            max-width: 540px;
        }

        .hero-pain {
            font-size: var(--font-size-sm);
            color: var(--color-text-gray);
            margin-bottom: 26px;
            padding-left: 16px;
            border-left: 3px solid var(--color-accent-gold);
            font-style: italic;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-bold);
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--color-accent-gold), #FFE44D);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
        }

        .btn-primary-gold:hover {
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-2px);
            color: #0A2E1C;
        }

        .btn-primary-gold:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 26px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-base);
        }

        .btn-secondary-outline:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }

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

        .hero-demo-card {
            width: 100%;
            max-width: 400px;
            background: rgba(18, 62, 37, 0.9);
            border: 1px solid var(--color-border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md), 0 0 40px rgba(255, 215, 0, 0.08);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .hero-demo-card .demo-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            color: var(--color-accent-gold);
            margin-bottom: 16px;
        }

        .hero-demo-card .demo-code-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            margin-bottom: 14px;
            border: 1px dashed rgba(255, 215, 0, 0.4);
        }

        .hero-demo-card .demo-code {
            font-size: var(--font-size-lg);
            font-weight: var(--font-weight-bold);
            color: var(--color-accent-gold);
            letter-spacing: 1px;
            font-family: 'Courier New', monospace;
        }

        .hero-demo-card .demo-copy {
            font-size: var(--font-size-sm);
            color: var(--color-text-mint);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            transition: all var(--transition-fast);
        }

        .hero-demo-card .demo-copy:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-accent-gold);
        }

        .hero-demo-card .demo-info {
            font-size: var(--font-size-xs);
            color: var(--color-text-gray);
            line-height: 1.6;
        }

        .hero-demo-card .demo-info strong {
            color: var(--color-text-mint);
            font-weight: var(--font-weight-semibold);
        }

        /* ==================== SECTION COMMON ==================== */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-alt {
            background: rgba(18, 62, 37, 0.4);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-bold);
            color: var(--color-accent-gold);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header .section-tag::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 1.5px;
            background: var(--color-accent-gold);
        }

        .section-header h2 {
            font-size: var(--font-size-2xl);
            font-weight: var(--font-weight-bold);
            line-height: 1.3;
            color: var(--color-text-white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: var(--font-size-md);
            color: var(--color-text-gray);
            line-height: 1.7;
            max-width: 650px;
        }

        /* ==================== PAIN POINTS SECTION ==================== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .pain-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            position: relative;
        }

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

        .pain-card .pain-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(211, 47, 47, 0.15);
            border: 1px solid rgba(211, 47, 47, 0.3);
            color: #E57373;
            font-size: 1.15rem;
            margin-bottom: 14px;
        }

        .pain-card h3 {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .pain-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-gray);
            line-height: 1.65;
            margin: 0;
        }

        /* ==================== SOLUTION SECTION ==================== */
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .solution-content {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .solution-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px;
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--color-accent-gold);
            transition: all var(--transition-base);
        }

        .solution-step:hover {
            background: var(--color-card-hover-bg);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .solution-step .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-accent-gold), #FFE44D);
            color: #0A2E1C;
            font-weight: var(--font-weight-bold);
            font-size: 1rem;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        .solution-step .step-body h3 {
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-white);
            margin-bottom: 4px;
        }

        .solution-step .step-body p {
            font-size: var(--font-size-sm);
            color: var(--color-text-gray);
            margin: 0;
            line-height: 1.6;
        }

        .solution-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-gold);
        }

        .solution-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .solution-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 46, 28, 0.5) 100%);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        /* ==================== RESULTS & STATS ==================== */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
            gap: 20px;
        }

        .result-stat {
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: center;
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .result-stat:hover {
            background: var(--color-card-hover-bg);
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }

        .result-stat .stat-number {
            font-size: var(--font-size-2xl);
            font-weight: var(--font-weight-bold);
            color: var(--color-accent-gold);
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .result-stat .stat-label {
            font-size: var(--font-size-sm);
            color: var(--color-text-mint);
            font-weight: var(--font-weight-medium);
            margin-bottom: 8px;
        }

        .result-stat .stat-desc {
            font-size: var(--font-size-xs);
            color: var(--color-text-gray);
            line-height: 1.5;
            margin: 0;
        }

        /* ==================== TESTIMONIALS ==================== */
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .testi-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .testi-card:hover {
            background: var(--color-card-hover-bg);
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }

        .testi-card .testi-rating {
            display: flex;
            align-items: center;
            gap: 3px;
            color: var(--color-accent-gold);
            font-size: var(--font-size-sm);
            margin-bottom: 12px;
        }

        .testi-card .testi-text {
            font-size: var(--font-size-sm);
            color: var(--color-text-mint);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testi-card .testi-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testi-card .testi-avatar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-full);
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-weight: var(--font-weight-semibold);
            font-size: var(--font-size-sm);
            flex-shrink: 0;
        }

        .testi-card .testi-name {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-white);
        }

        .testi-card .testi-info {
            font-size: var(--font-size-xs);
            color: var(--color-text-gray);
        }

        /* ==================== FAQ SECTION ==================== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.25);
        }

        .faq-item.active {
            border-color: var(--color-border-gold-strong);
            background: var(--color-card-hover-bg);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 20px;
            width: 100%;
            text-align: left;
            color: var(--color-text-white);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-semibold);
            line-height: 1.5;
            transition: all var(--transition-base);
        }

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

        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-size-xs);
            color: var(--color-text-mint);
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-accent-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 280px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: var(--font-size-sm);
            color: var(--color-text-gray);
            line-height: 1.7;
            margin: 0;
        }

        /* ==================== CTA SECTION ==================== */
        .cta-section {
            padding: var(--spacing-2xl) 0;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.95), rgba(10, 46, 28, 0.98));
            border: 1px solid var(--color-border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-md), 0 0 60px rgba(255, 215, 0, 0.06);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(255, 215, 0, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: var(--font-size-2xl);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: var(--font-size-md);
            color: var(--color-text-mint);
            margin-bottom: 26px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box .btn-primary-gold {
            position: relative;
            z-index: 1;
            font-size: var(--font-size-md);
            padding: 16px 36px;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: rgba(4, 22, 13, 0.95);
            border-top: 1px solid var(--color-border-gold);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            font-size: var(--font-size-lg);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-white);
            margin-bottom: 12px;
        }

        .footer-brand h3 span {
            color: var(--color-accent-gold);
        }

        .footer-brand p {
            font-size: var(--font-size-sm);
            color: var(--color-text-gray);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-bold);
            color: var(--color-accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: var(--font-size-sm);
            color: var(--color-text-gray);
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: var(--font-size-xs);
            color: var(--color-text-gray);
            margin-bottom: 6px;
        }

        .footer-bottom p:last-child {
            margin-bottom: 0;
        }

        .footer-bottom .domain {
            color: var(--color-accent-gold);
            font-weight: var(--font-weight-medium);
        }

        /* ==================== FAB (Floating Action Button) ==================== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            background: linear-gradient(145deg, #0A0A0A, #1A1A1A);
            border: 2px solid var(--color-accent-gold);
            color: var(--color-accent-gold);
            font-size: 1.3rem;
            box-shadow: var(--shadow-gold), 0 0 0 4px rgba(255, 215, 0, 0.08);
            opacity: 0.7;
            animation: fabBreath 3s ease-in-out infinite;
            transition: all var(--transition-base);
            overflow: hidden;
            text-decoration: none;
            cursor: pointer;
        }

        .fab::after {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, transparent 30%, rgba(255, 215, 0, 0.35) 50%, transparent 70%);
            animation: fabShimmer 2.5s linear infinite;
            pointer-events: none;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: var(--shadow-gold-hover), 0 0 0 6px rgba(255, 215, 0, 0.12);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #E53935;
            border-radius: 50%;
            border: 2px solid #1A1A1A;
            animation: fabDotBlink 1.5s ease-in-out infinite;
            z-index: 2;
        }

        @keyframes fabBreath {
            0%, 100% {
                box-shadow: var(--shadow-gold), 0 0 0 4px rgba(255, 215, 0, 0.08);
            }
            50% {
                box-shadow: var(--shadow-gold), 0 0 0 10px rgba(255, 215, 0, 0.04);
                opacity: 0.85;
            }
        }

        @keyframes fabShimmer {
            0% {
                background-position: -200% center;
            }
            100% {
                background-position: 200% center;
            }
        }

        @keyframes fabDotBlink {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.75);
            }
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            :root {
                --font-size-4xl: 2.75rem;
                --font-size-3xl: 2.4rem;
                --font-size-2xl: 2rem;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-demo-card {
                max-width: 100%;
            }

            .solution-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-size-4xl: 2.25rem;
                --font-size-3xl: 2rem;
                --font-size-2xl: 1.65rem;
                --font-size-xl: 1.4rem;
                --font-size-lg: 1.2rem;
                --spacing-2xl: 48px;
                --spacing-3xl: 64px;
            }

            .navbar {
                min-height: 60px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px;
                border-bottom: 1px solid var(--color-border-gold);
                display: none;
                z-index: 99;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }

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

            .nav-links a {
                padding: 12px 16px;
                font-size: var(--font-size-base);
                border-radius: var(--radius-sm);
            }

            .nav-auth {
                gap: 6px;
            }

            .btn-login {
                padding: 7px 14px;
                font-size: var(--font-size-xs);
            }

            .btn-signup {
                padding: 7px 14px;
                font-size: var(--font-size-xs);
            }

            .hero {
                padding-top: 110px;
                padding-bottom: 50px;
                min-height: auto;
            }

            .hero-content h1 {
                font-size: var(--font-size-3xl);
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .btn-primary-gold,
            .btn-secondary-outline {
                justify-content: center;
                width: 100%;
            }

            .section {
                padding: var(--spacing-2xl) 0;
            }

            .pain-grid,
            .results-grid,
            .testi-grid {
                grid-template-columns: 1fr;
            }

            .cta-box {
                padding: 32px 20px;
            }

            .cta-box h2 {
                font-size: var(--font-size-xl);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.15rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            :root {
                --font-size-4xl: 1.9rem;
                --font-size-3xl: 1.7rem;
                --font-size-2xl: 1.45rem;
                --font-size-xl: 1.25rem;
                --font-size-lg: 1.1rem;
                --font-size-md: 1rem;
                --font-size-base: 0.95rem;
                --spacing-2xl: 36px;
                --spacing-xl: 32px;
                --spacing-lg: 24px;
            }

            .nav-brand-text {
                font-size: var(--font-size-sm);
            }

            .nav-brand-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }

            .btn-login {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .btn-signup {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .hero {
                padding-top: 95px;
                padding-bottom: 40px;
            }

            .hero-content h1 {
                font-size: var(--font-size-4xl);
            }

            .hero-demo-card {
                padding: 18px 16px;
            }

            .hero-demo-card .demo-code {
                font-size: var(--font-size-base);
            }

            .section-header h2 {
                font-size: var(--font-size-2xl);
            }

            .solution-step {
                padding: 14px;
                gap: 12px;
            }

            .solution-step .step-number {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: var(--font-size-sm);
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }

            .cta-box {
                padding: 24px 16px;
            }

            .cta-box h2 {
                font-size: var(--font-size-lg);
            }

            .cta-box p {
                font-size: var(--font-size-sm);
            }

            .btn-primary-gold {
                padding: 12px 22px;
                font-size: var(--font-size-sm);
            }
        }

        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
        }

/* roulang page: category3 */
:root {
            --jade-deep: #0A2E1C;
            --jade-forest: #123E25;
            --jade-dark: #081F13;
            --gold: #FFD700;
            --gold-soft: #F0C94F;
            --gold-pale: #D4AC0D;
            --red-lucky: #D32F2F;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-soft: rgba(209, 242, 235, 0.72);
            --mint-muted: rgba(209, 242, 235, 0.55);
            --border-gold: rgba(255, 215, 0, 0.45);
            --border-gold-strong: rgba(255, 215, 0, 0.75);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.28);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.42);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-section: 72px;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--jade-deep);
            color: var(--white);
            line-height: 1.6;
            min-height: 100vh;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

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

        a:hover,
        a:focus {
            color: var(--mint);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        ul,
        ol {
            padding-left: 1.25rem;
            margin-bottom: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(8, 31, 19, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 18px;
            padding: 12px 0;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-brand:hover {
            color: var(--gold);
        }

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, var(--gold), var(--gold-pale));
            color: var(--jade-deep);
            font-weight: 900;
            font-size: 1.3rem;
            border-radius: 50%;
            box-shadow: 0 0 0 2px var(--border-gold-strong), var(--shadow-gold);
            flex-shrink: 0;
        }

        .nav-brand-text {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
        }

        .nav-brand-text strong {
            color: var(--gold);
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 10px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links li {
            list-style: none;
        }

        .nav-links a {
            display: inline-block;
            padding: 9px 16px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--mint-soft);
            border-radius: 50px;
            white-space: nowrap;
            transition: var(--transition);
            letter-spacing: 0.015em;
        }

        .nav-links a:hover {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.14);
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--mint);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 9px 18px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold);
            border-color: var(--gold);
        }

        .btn-signup {
            background: linear-gradient(145deg, var(--gold), #E6B800);
            border: 1px solid var(--gold);
            color: var(--jade-deep);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 9px 22px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }

        .btn-signup:hover {
            background: var(--gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.48);
            color: var(--jade-deep);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--border-gold);
            border-radius: 8px;
            padding: 8px 10px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        /* ===== BUTTONS GLOBAL ===== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(145deg, var(--gold), #E6B800);
            border: 1px solid var(--gold);
            color: var(--jade-deep);
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 30px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.38);
            letter-spacing: 0.02em;
        }

        .btn-gold:hover {
            background: var(--gold);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 215, 0, 0.52);
            color: var(--jade-deep);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: transparent;
            border: 1.5px solid var(--border-gold-strong);
            color: var(--gold);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        /* ===== SECTION SHARED ===== */
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-alt {
            background: var(--jade-forest);
        }

        .section-tight {
            padding: 48px 0;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 8px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 14px;
        }

        .section-lead {
            font-size: 1.12rem;
            color: var(--mint-soft);
            line-height: 1.65;
            max-width: 760px;
            margin-bottom: 28px;
        }

        .text-gold {
            color: var(--gold);
        }

        .text-mint {
            color: var(--mint);
        }

        .divider-gold {
            height: 2px;
            width: 72px;
            background: linear-gradient(90deg, var(--gold), rgba(255, 215, 0, 0.2));
            border-radius: 10px;
            margin: 14px 0 22px;
        }

        /* ===== HERO ===== */
        .hero-cat {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(8, 31, 19, 0.92) 0%, rgba(18, 62, 37, 0.88) 45%, rgba(8, 31, 19, 0.94) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .hero-cat::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, transparent, var(--gold), var(--red-lucky), var(--gold), transparent);
            z-index: 1;
        }

        .hero-cat .container {
            position: relative;
            z-index: 2;
        }

        .hero-cat-content {
            max-width: 720px;
        }

        .hero-cat h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.18;
            color: var(--white);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .hero-cat h1 .highlight {
            color: var(--gold);
            position: relative;
        }

        .hero-cat h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 10px;
            background: rgba(255, 215, 0, 0.18);
            border-radius: 6px;
            z-index: -1;
        }

        .hero-cat-sub {
            font-size: 1.2rem;
            color: var(--mint-soft);
            line-height: 1.7;
            max-width: 660px;
            margin-bottom: 30px;
        }

        .hero-cat-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-cat-trust {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.22);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--mint-soft);
        }

        .trust-item i {
            color: var(--gold);
            font-size: 1.1rem;
        }

        /* ===== PAIN / STORY SECTION ===== */
        .pain-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .pain-copy {
            text-align: left;
        }

        .pain-copy h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .pain-copy p {
            font-size: 1.05rem;
            color: var(--mint-soft);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .pain-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .pain-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 1rem;
            color: var(--mint);
            line-height: 1.55;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--red-lucky);
        }

        .pain-list li i {
            color: var(--red-lucky);
            font-size: 1.15rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .pain-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 2px solid var(--border-gold);
            min-height: 380px;
        }

        .pain-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .pain-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 31, 19, 0.15) 0%, rgba(8, 31, 19, 0.55) 100%);
        }

        /* ===== SOLUTION / TIPS ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
            margin-top: 20px;
        }

        .tip-card {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            min-height: 100%;
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--gold), rgba(255, 215, 0, 0.15));
            border-radius: 0 0 8px 8px;
        }

        .tip-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-gold-strong);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.38), 0 0 0 1px var(--border-gold-strong);
            background: rgba(255, 255, 255, 0.06);
        }

        .tip-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--gold), #D4AC0D);
            color: var(--jade-deep);
            font-weight: 900;
            font-size: 1.15rem;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }

        .tip-card h3 {
            font-size: 1.2rem;
            font-weight: 750;
            color: var(--white);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .tip-card p {
            font-size: 0.96rem;
            color: var(--mint-soft);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== RESULTS / STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .stat-block {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: left;
            transition: var(--transition);
        }

        .stat-block:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--mint-soft);
            line-height: 1.45;
        }

        /* ===== TABLE / CHART WRAP ===== */
        .strategy-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 46px;
            align-items: start;
        }

        .strategy-copy h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .strategy-copy p {
            font-size: 1.05rem;
            color: var(--mint-soft);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .strategy-points {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .strategy-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 1rem;
            color: var(--mint);
            line-height: 1.55;
        }

        .strategy-points li i {
            color: var(--gold);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .strategy-visual {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-card);
        }

        .strategy-visual h4 {
            font-size: 1.2rem;
            font-weight: 750;
            color: var(--white);
            margin-bottom: 18px;
            text-align: left;
            border-bottom: 2px solid var(--border-gold);
            padding-bottom: 12px;
        }

        .hand-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }

        .hand-table th {
            text-align: left;
            color: var(--gold);
            font-weight: 700;
            padding: 10px 12px;
            border-bottom: 1px solid var(--border-gold);
            background: rgba(255, 215, 0, 0.06);
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .hand-table td {
            padding: 11px 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--mint-soft);
            line-height: 1.5;
        }

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

        .hand-table td:first-child {
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
        }

        .tag-weak {
            display: inline-block;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.55);
            color: #ff7b7b;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
        }

        .tag-medium {
            display: inline-block;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
        }

        .tag-strong {
            display: inline-block;
            background: rgba(0, 200, 120, 0.16);
            border: 1px solid rgba(0, 200, 120, 0.5);
            color: #6EE7B7;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            border: none;
            color: var(--white);
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.5;
            text-align: left;
            width: 100%;
            transition: var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: rgba(255, 215, 0, 0.22);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.38s ease;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--mint-soft);
            font-size: 0.96rem;
            line-height: 1.7;
            border-top: 1px solid rgba(255, 215, 0, 0.14);
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-cat {
            background: linear-gradient(135deg, rgba(8, 31, 19, 0.96) 0%, rgba(18, 62, 37, 0.94) 50%, rgba(8, 31, 19, 0.96) 100%), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            border-top: 2px solid var(--border-gold-strong);
            border-bottom: 2px solid var(--border-gold-strong);
            padding: 64px 0;
            text-align: center;
        }

        .cta-cat h2 {
            font-size: 2.1rem;
            font-weight: 850;
            color: var(--white);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-cat p {
            font-size: 1.08rem;
            color: var(--mint-soft);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .cta-cat-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--jade-dark);
            border-top: 2px solid var(--border-gold-strong);
            padding: 56px 0 28px;
            font-size: 0.92rem;
        }

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

        .footer-brand h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand h3 span {
            color: var(--gold);
        }

        .footer-brand p {
            color: var(--mint-muted);
            line-height: 1.65;
            font-size: 0.9rem;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 750;
            color: var(--gold);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col li a {
            color: var(--mint-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-col li a:hover {
            color: var(--gold);
            padding-left: 6px;
        }

        .footer-bottom {
            padding-top: 22px;
            border-top: 1px solid rgba(255, 215, 0, 0.18);
            text-align: center;
        }

        .footer-bottom p {
            color: var(--mint-muted);
            font-size: 0.85rem;
            margin-bottom: 6px;
        }

        .footer-bottom .domain {
            color: var(--gold);
            font-weight: 700;
        }

        /* ===== FAB ===== */
        .fab-classic {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0D0D0D);
            border: 2px solid var(--gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), inset 0 1px 4px rgba(255, 215, 0, 0.25);
            color: var(--gold);
            font-size: 1.35rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.75;
            animation: fabFloat 3.2s ease-in-out infinite;
        }

        .fab-classic:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.52), inset 0 1px 6px rgba(255, 215, 0, 0.35);
        }

        .fab-classic:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-notify {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--jade-deep);
            box-shadow: 0 0 8px rgba(211, 47, 47, 0.7);
            animation: blink 1.6s ease-in-out infinite;
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 2rem;
            }
            .hero-cat h1 {
                font-size: 2.4rem;
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-block,
            .strategy-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 52px;
            }
            .navbar {
                flex-wrap: wrap;
                gap: 12px;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 10px 0;
                order: 10;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-auth {
                margin-left: auto;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-cat {
                min-height: 460px;
                padding: 56px 0 48px;
            }
            .hero-cat h1 {
                font-size: 2rem;
            }
            .hero-cat-sub {
                font-size: 1.05rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .strategy-visual {
                padding: 22px 16px;
            }
            .hand-table {
                font-size: 0.82rem;
            }
            .hand-table th,
            .hand-table td {
                padding: 8px 8px;
            }
            .cta-cat h2 {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .fab-classic {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-cat h1 {
                font-size: 1.65rem;
            }
            .hero-cat-sub {
                font-size: 0.96rem;
            }
            .hero-cat-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .hero-cat-actions .btn-gold,
            .hero-cat-actions .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
            .hero-cat-trust {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .tips-grid {
                gap: 16px;
            }
            .tip-card {
                padding: 22px 18px;
            }
            .pain-image-wrap,
            .pain-image-wrap img {
                min-height: 260px;
            }
            .nav-auth {
                gap: 6px;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 11px;
                font-size: 0.78rem;
            }
        }