/* roulang page: index */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --bg-card: #0E2A1B;
            --bg-panel: #153A26;
            --gold: #FFD700;
            --gold-soft: #F0C75E;
            --gold-muted: #B8942E;
            --lucky-red: #D32F2F;
            --lucky-red-dark: #A92424;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9BB8AD;
            --border-gold: rgba(255, 215, 0, 0.28);
            --border-soft: rgba(255, 255, 255, 0.08);
            --shadow-gold: 0 12px 30px rgba(255, 215, 0, 0.08);
            --shadow-card: 0 10px 28px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 8px 20px rgba(211, 47, 47, 0.3);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition: all .28s cubic-bezier(.4, 0, .2, 1);
            --container-max: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--gold);
        }
        ul, ol {
            list-style: none;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-gap {
            padding: 76px 0;
        }
        .section-gap-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .section-label::before {
            content: '';
            width: 34px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(1.7rem, 3.4vw, 2.5rem);
            font-weight: 800;
            line-height: 1.28;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -.01em;
        }
        .section-desc {
            font-size: 1.02rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
        }
        .text-mint {
            color: var(--text-mint);
        }
        .text-muted-custom {
            color: var(--text-muted);
        }
        .gold-text {
            color: var(--gold);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--gold), #FFC400);
            color: #1A1A00;
            font-weight: 700;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            box-shadow: 0 10px 24px rgba(255, 215, 0, 0.28);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: .01em;
        }
        .btn-gold:hover, .btn-gold:focus {
            background: linear-gradient(135deg, #FFE44D, #FFB300);
            color: #1A1A00;
            transform: translateY(-2px);
            box-shadow: 0 16px 32px rgba(255, 215, 0, 0.38);
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(255, 215, 0, 0.25);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            border: 2px solid var(--gold);
            padding: 10px 24px;
            border-radius: 50px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-outline-gold:hover, .btn-outline-gold:focus {
            background: rgba(255, 215, 0, 0.1);
            color: #FFE44D;
            border-color: #FFE44D;
            transform: translateY(-2px);
        }
        .btn-red {
            background: linear-gradient(135deg, var(--lucky-red), #B71C1C);
            color: #fff;
            font-weight: 700;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-red:hover, .btn-red:focus {
            background: linear-gradient(135deg, #E53935, #C62828);
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(211, 47, 47, 0.4);
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            transition: var(--transition);
            height: 72px;
        }
        .site-header .navbar {
            height: 72px;
            padding: 0;
        }
        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--gold);
            letter-spacing: -.01em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .navbar-brand-custom i {
            font-size: 1.5rem;
            color: var(--gold);
        }
        .navbar-nav .nav-link {
            color: var(--text-mint);
            font-weight: 600;
            font-size: .95rem;
            padding: 8px 16px !important;
            border-radius: 50px;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: #1A1A00;
            background: var(--gold);
            font-weight: 700;
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 20px;
        }
        .btn-login-text {
            color: var(--text-mint);
            font-weight: 600;
            background: transparent;
            border: none;
            padding: 8px 14px;
            transition: var(--transition);
        }
        .btn-login-text:hover {
            color: var(--gold);
        }
        .btn-signup-solid {
            background: var(--gold);
            color: #1A1A00;
            font-weight: 700;
            border: none;
            padding: 9px 22px;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup-solid:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(255, 215, 0, 0.3);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--gold);
            padding: 6px 10px;
            border-radius: 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FFD700' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .hero-section {
            padding: 140px 0 80px;
            background: radial-gradient(ellipse at 20% 20%, #0D3A24 0%, var(--bg-deep) 55%, #061B10 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -120px;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(255,215,0,0.07), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.18);
            color: #FF8A80;
            font-weight: 600;
            font-size: .85rem;
            padding: 6px 16px;
            border-radius: 50px;
            border: 1px solid rgba(211, 47, 47, 0.4);
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: clamp(2rem, 4.4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -.02em;
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-mint);
            max-width: 580px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .hero-kpi {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-top: 20px;
        }
        .hero-kpi-item {
            display: flex;
            flex-direction: column;
        }
        .hero-kpi-num {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--gold);
        }
        .hero-kpi-label {
            font-size: .85rem;
            color: var(--text-muted);
        }
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold);
            transform: rotate(1.5deg);
            transition: var(--transition);
        }
        .hero-image-wrap:hover {
            transform: rotate(0deg) scale(1.01);
        }
        .hero-image-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            filter: saturate(1.1) contrast(1.05);
        }
        .hero-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(10,46,28,0.15), rgba(10,46,28,0.65));
        }
        .hero-float-tag {
            position: absolute;
            bottom: 22px;
            left: 22px;
            background: rgba(10, 46, 28, 0.88);
            backdrop-filter: blur(10px);
            padding: 12px 18px;
            border-radius: 16px;
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-mint);
            font-weight: 600;
            font-size: .9rem;
        }
        .hero-float-tag i {
            color: var(--gold);
            font-size: 1.4rem;
        }

        /* Trust Strip */
        .trust-strip {
            background: var(--bg-forest);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
            padding: 18px 0;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-mint);
            font-weight: 500;
            font-size: .9rem;
        }
        .trust-item i {
            color: var(--gold);
            font-size: 1.2rem;
        }

        /* Section: Brand Story */
        .story-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .story-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .story-check-list {
            margin-top: 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .story-check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-mint);
            font-weight: 500;
            font-size: .98rem;
        }
        .story-check-list li i {
            color: var(--gold);
            margin-top: 4px;
        }

        /* Section: Featured Cards */
        .featured-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 32px;
        }
        .featured-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .featured-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 215, 0, 0.55);
            box-shadow: var(--shadow-gold);
        }
        .featured-card-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.06);
        }
        .featured-card-body {
            padding: 22px;
        }
        .featured-card-tag {
            display: inline-block;
            background: rgba(211, 47, 47, 0.85);
            color: #fff;
            font-size: .72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 10px;
            letter-spacing: .05em;
        }
        .featured-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .featured-card-desc {
            font-size: .92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Section: Social Proof Bubbles */
        .bubble-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .bubble-card {
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-soft);
            position: relative;
            transition: var(--transition);
        }
        .bubble-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .bubble-quote {
            font-size: 2rem;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 12px;
        }
        .bubble-text {
            font-size: .98rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .bubble-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .bubble-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #1A1A00;
            font-size: 1rem;
        }
        .bubble-name {
            font-weight: 700;
            font-size: .95rem;
        }
        .bubble-role {
            font-size: .8rem;
            color: var(--text-muted);
        }

        /* Section: News / CMS */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 36px;
            margin-top: 28px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: var(--transition);
        }
        .news-item:hover {
            border-color: var(--border-gold);
            background: var(--bg-panel);
            transform: translateX(4px);
        }
        .news-item-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.3rem;
        }
        .news-item-content {
            flex: 1;
        }
        .news-item-title {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--text-white);
        }
        .news-item-title a:hover {
            color: var(--gold);
        }
        .news-item-meta {
            font-size: .8rem;
            color: var(--text-muted);
        }
        .news-recommend {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px;
            height: fit-content;
        }
        .news-recommend-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
            color: var(--gold);
        }
        .news-recommend-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-recommend-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .news-recommend-item i {
            color: var(--gold);
            margin-top: 5px;
        }
        .news-recommend-item span {
            font-size: .9rem;
            color: var(--text-mint);
            line-height: 1.5;
        }

        /* Section: Timeline */
        .timeline-wrap {
            position: relative;
            margin-top: 40px;
            padding-left: 24px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--gold), rgba(255,215,0,0.15));
        }
        .timeline-item {
            position: relative;
            padding-left: 36px;
            margin-bottom: 32px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 2px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--gold);
            border: 3px solid var(--bg-deep);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
        }
        .timeline-step {
            font-size: .8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: .1em;
            color: var(--gold);
            margin-bottom: 6px;
        }
        .timeline-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-desc {
            font-size: .95rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.65;
        }

        /* Section: Entry Matrix */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 32px;
        }
        .entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 26px 20px;
            text-align: left;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            cursor: pointer;
        }
        .entry-card:hover {
            border-color: var(--gold);
            background: var(--bg-panel);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }
        .entry-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.5rem;
        }
        .entry-card-title {
            font-weight: 700;
            font-size: 1.05rem;
        }
        .entry-card-desc {
            font-size: .88rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* Section: FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 32px auto 0;
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.06);
            color: var(--gold);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        .accordion-body {
            color: var(--text-mint);
            padding: 0 22px 20px;
            font-size: .95rem;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: radial-gradient(ellipse at center, #0D3A24, #061B10);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(255,215,0,0.06), transparent 70%);
            border-radius: 50%;
        }
        .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-desc {
            color: var(--text-mint);
            max-width: 620px;
            margin: 0 auto 28px;
            font-size: 1.02rem;
            position: relative;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            position: relative;
        }

        /* Fixed Bottom CTA */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-gold);
            padding: 12px 0;
            z-index: 1030;
            transform: translateY(100%);
            transition: transform .4s ease;
        }
        .fixed-bottom-cta.show {
            transform: translateY(0);
        }
        .fixed-bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .fixed-bottom-cta-text {
            font-weight: 600;
            font-size: .95rem;
            color: var(--text-mint);
        }
        .fixed-bottom-cta-text strong {
            color: var(--gold);
        }

        /* Footer */
        .site-footer {
            background: #061B10;
            border-top: 1px solid var(--border-gold);
            padding: 56px 0 32px;
            margin-bottom: 70px;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: .92rem;
            color: var(--text-muted);
            max-width: 360px;
            line-height: 1.65;
        }
        .footer-heading {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: .92rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: .85rem;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 5px 12px;
            font-size: .78rem;
            color: var(--text-mint);
            font-weight: 500;
        }
        .footer-badge i {
            color: var(--gold);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: #0A0A0A;
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition);
            opacity: .7;
            animation: floatY 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        .fab-left:active {
            transform: scale(.95);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--lucky-red);
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blink 1.2s infinite;
        }
        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: .3; }
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .hero-section {
                padding: 120px 0 60px;
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .featured-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .bubble-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-auth {
                margin-left: 0;
                margin-top: 10px;
                justify-content: flex-start;
            }
        }
        @media (max-width: 767.98px) {
            .section-gap {
                padding: 52px 0;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-image-wrap img {
                height: 280px;
            }
            .featured-card-grid {
                grid-template-columns: 1fr;
            }
            .bubble-grid {
                grid-template-columns: 1fr;
            }
            .entry-matrix {
                grid-template-columns: 1fr 1fr;
            }
            .fixed-bottom-cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .container-custom {
                padding: 0 16px;
            }
        }
        @media (max-width: 519.98px) {
            .entry-matrix {
                grid-template-columns: 1fr;
            }
            .hero-kpi {
                gap: 14px;
            }
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .btn-gold, .btn-red {
                padding: 10px 20px;
                font-size: .9rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #101527;
            --bg-elevated: #151B31;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #8A94A6;
            --border-subtle: rgba(0, 240, 255, 0.12);
            --border-glow: rgba(0, 240, 255, 0.35);
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --font-body: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.65;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--text-white);
        }

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

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-white);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.9rem;
            letter-spacing: -0.015em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ==== Header / Navigation ==== */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.75rem 0;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .navbar-brand-custom i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.7));
        }
        .navbar-brand-custom:hover {
            opacity: 0.85;
            color: var(--text-white);
        }
        .navbar-nav .nav-link {
            color: var(--text-silver);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--accent-cyan);
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login-text {
            background: transparent;
            border: none;
            color: var(--text-silver);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
        }
        .btn-login-text:hover {
            color: var(--text-white);
        }
        .btn-signup-solid {
            background: var(--accent-blue);
            color: var(--text-white);
            border: none;
            font-weight: 700;
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.35);
        }
        .btn-signup-solid:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-subtle);
            padding: 0.4rem 0.7rem;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,240,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ==== Article Layout ==== */
        .article-wrapper {
            padding: var(--spacing-xl) 0;
            background: radial-gradient(ellipse at 20% 0%, rgba(0, 82, 255, 0.08), transparent 55%),
                        radial-gradient(ellipse at 80% 10%, rgba(0, 240, 255, 0.06), transparent 50%),
                        var(--bg-primary);
        }
        .article-breadcrumb {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        .article-breadcrumb a {
            color: var(--accent-cyan);
        }
        .article-breadcrumb a:hover {
            color: var(--text-white);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--border-subtle);
        }
        .article-meta i {
            margin-right: 0.4rem;
            color: var(--accent-cyan);
        }
        .article-content {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-card);
        }
        .article-content h1 {
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
            line-height: 1.35;
        }
        .article-content h2 {
            margin-top: 2rem;
            font-size: 1.7rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-glow);
        }
        .article-content h3 {
            margin-top: 1.5rem;
            font-size: 1.35rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
            color: var(--text-silver);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.8rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
            color: var(--text-silver);
        }
        .article-content blockquote {
            background: rgba(0, 240, 255, 0.06);
            border-left: 4px solid var(--accent-cyan);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
            color: var(--text-silver);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }
        .article-not-found {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        .article-not-found h2 {
            margin-bottom: 0.8rem;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .btn-back-home {
            display: inline-block;
            background: var(--accent-blue);
            color: var(--text-white);
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.3);
        }
        .btn-back-home:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        /* ==== CTA Section ==== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12), rgba(0, 240, 255, 0.06));
        }
        .cta-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-panel h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .cta-panel p {
            color: var(--text-silver);
            max-width: 650px;
            margin: 0 auto 1.8rem;
        }
        .btn-cta-primary {
            background: var(--accent-blue);
            color: var(--text-white);
            border: none;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.85rem 2.4rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-med);
            box-shadow: 0 4px 24px rgba(0, 82, 255, 0.4);
        }
        .btn-cta-primary:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        /* ==== Floating Action Button ==== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            opacity: 0.65;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-med);
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            color: var(--text-white);
        }
        .fab-support:active {
            transform: scale(0.95);
        }
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.85; }
        }

        /* ==== Footer ==== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 1.5rem;
            color: var(--text-silver);
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        .footer-brand i {
            color: var(--accent-cyan);
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.6));
        }
        .footer-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
            line-height: 1.7;
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 0.3rem 0.8rem;
            font-size: 0.78rem;
            color: var(--text-silver);
        }
        .footer-badge i {
            color: var(--accent-cyan);
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .text-muted-custom {
            color: var(--text-muted);
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.8rem;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ==== Responsive ==== */
        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 1rem 0;
            }
            .nav-auth {
                padding: 0.5rem 0 0.8rem;
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2rem;
            }
            .article-content h1 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: var(--spacing-md);
            }
        }
        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-wrapper {
                padding: var(--spacing-lg) 0;
            }
            .article-content {
                padding: var(--spacing-sm);
                border-radius: var(--radius-md);
            }
            .article-content h1 {
                font-size: 1.6rem;
            }
            .cta-panel h2 {
                font-size: 1.5rem;
            }
            .btn-signup-solid {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
            .btn-login-text {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 519.98px) {
            h1 {
                font-size: 1.5rem;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .navbar-brand-custom i {
                font-size: 1.3rem;
            }
            .article-meta {
                gap: 0.8rem;
                font-size: 0.8rem;
            }
            .article-content h1 {
                font-size: 1.4rem;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .btn-cta-primary {
                padding: 0.7rem 1.8rem;
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151230;
            --accent-primary: #CCFF00;
            --accent-secondary: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6C7275;
            --border-subtle: rgba(0, 240, 255, 0.18);
            --border-glow: rgba(204, 255, 0, 0.45);
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.35);
            --shadow-lime: 0 0 22px rgba(204, 255, 0, 0.25);
            --radius-card: 18px;
            --radius-btn: 50px;
            --transition-fast: all 0.22s ease;
            --transition-smooth: all 0.38s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, 'Roboto', sans-serif;
            background: linear-gradient(145deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
        a:hover { color: var(--accent-secondary); }
        img { max-width: 100%; display: block; }
        .container-custom { width: min(1180px, 92%); margin: 0 auto; }
        .text-muted-custom { color: var(--text-secondary) !important; }

        /* Header / Nav */
        .site-header {
            background: rgba(15, 12, 32, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.14);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .navbar-brand-custom i {
            color: var(--accent-primary);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px rgba(204, 255, 0, 0.55));
        }
        .navbar-brand-custom:hover { color: var(--accent-secondary); }
        .navbar { padding: 0.85rem 0; }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            margin: 0 0.65rem;
            padding: 0.55rem 0.85rem !important;
            border-radius: 40px;
            position: relative;
            transition: var(--transition-fast);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.08);
        }
        .nav-auth { display: flex; align-items: center; gap: 0.75rem; }
        .btn-login-text {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 40px;
            transition: var(--transition-fast);
        }
        .btn-login-text:hover { color: var(--accent-secondary); }
        .btn-signup-solid {
            background: linear-gradient(135deg, var(--accent-primary), #9EDB00);
            border: none;
            color: #0F0C20;
            font-weight: 800;
            padding: 0.55rem 1.4rem;
            border-radius: 40px;
            box-shadow: 0 0 18px rgba(204, 255, 0, 0.35);
            transition: var(--transition-smooth);
        }
        .btn-signup-solid:hover {
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.6);
            transform: translateY(-2px);
            color: #0F0C20;
        }
        .navbar-toggler {
            border: 1px solid rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.06);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300F0FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .hero-category {
            padding: 4.2rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 60%;
            height: 130%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12), transparent 70%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.35);
            color: var(--accent-primary);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.4rem 1.1rem;
            border-radius: 40px;
            letter-spacing: 0.02em;
        }
        .hero-title-category {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.22;
            margin: 1.2rem 0 1rem;
            letter-spacing: -0.01em;
        }
        .hero-title-category .highlight {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 1.12rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 1.8rem;
        }
        .hero-img-wrap {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-neon), 0 18px 45px rgba(0, 0, 0, 0.55);
            border: 1px solid var(--border-subtle);
            transform: rotate(1.5deg);
            transition: var(--transition-smooth);
        }
        .hero-img-wrap:hover {
            transform: rotate(0deg) scale(1.01);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.55), 0 20px 50px rgba(0, 0, 0, 0.6);
        }
        .hero-img-wrap img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
        .kpi-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            margin-top: 1.5rem;
        }
        .kpi-item { display: flex; flex-direction: column; }
        .kpi-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1.2;
        }
        .kpi-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* Buttons */
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-primary), #B5E600);
            border: none;
            color: #0F0C20;
            font-weight: 800;
            padding: 0.85rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            box-shadow: 0 0 24px rgba(204, 255, 0, 0.4);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary-custom:hover {
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.65);
            transform: translateY(-3px);
            color: #0F0C20;
        }
        .btn-outline-custom {
            background: transparent;
            border: 1.5px solid var(--accent-secondary);
            color: var(--accent-secondary);
            font-weight: 700;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-btn);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-custom:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.35);
            color: var(--accent-secondary);
            transform: translateY(-2px);
        }

        /* Section base */
        .section-pad { padding: 4rem 0; }
        .section-heading {
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 0.9rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 680px;
        }
        .divider-glow {
            width: 70px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 10px;
            margin: 1.2rem 0 1.6rem;
        }

        /* Feature Cards */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            height: 100%;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            opacity: 0;
            transition: var(--transition-fast);
        }
        .feature-card:hover {
            border-color: rgba(204, 255, 0, 0.45);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lime);
        }
        .feature-card:hover::after { opacity: 1; }
        .feature-icon {
            font-size: 1.8rem;
            color: var(--accent-primary);
            margin-bottom: 1rem;
            display: inline-block;
        }
        .feature-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
        }
        .feature-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* Process steps */
        .step-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        .step-item:last-child { border-bottom: none; }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.4);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-primary);
            font-size: 1.1rem;
        }
        .step-content h5 { font-weight: 700; margin-bottom: 0.3rem; }
        .step-content p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 0; }

        /* Trust bar */
        .trust-bar {
            background: rgba(15, 12, 32, 0.75);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.8rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.2rem;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .trust-item i {
            color: var(--accent-secondary);
            font-size: 1.3rem;
        }

        /* FAQ */
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-card) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            padding: 1.15rem 1.4rem;
            box-shadow: none;
            font-size: 1rem;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(204, 255, 0, 0.07);
            color: var(--accent-primary);
            box-shadow: none;
        }
        .accordion-button::after {
            filter: invert(70%) sepia(60%) saturate(500%) hue-rotate(40deg);
        }
        .accordion-body {
            color: var(--text-secondary);
            padding: 0.8rem 1.4rem 1.4rem;
            font-size: 0.95rem;
        }

        /* Fixed bottom CTA */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid rgba(204, 255, 0, 0.3);
            padding: 0.7rem 0;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }
        .fixed-cta-bar.show { transform: translateY(0); }
        .fixed-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .fixed-cta-text {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .fixed-cta-text i { color: var(--accent-primary); margin-right: 6px; }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 1.2rem;
            bottom: 6.5rem;
            z-index: 997;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15,12,32,0.75), rgba(15,12,32,0.75)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            font-size: 1.5rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            opacity: 0.6;
            transition: var(--transition-smooth);
            animation: fabBreath 3s ease-in-out infinite;
        }
        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.8);
            color: var(--accent-primary);
        }
        .fab-neon .notif-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blinkDot 1.4s infinite;
        }
        @keyframes fabBreath {
            0%, 100% { opacity: 0.55; }
            50% { opacity: 0.85; }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }

        /* Footer */
        .site-footer {
            background: rgba(10, 8, 25, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 3.5rem 0 1.5rem;
            margin-bottom: 4.5rem;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
        }
        .footer-brand i { color: var(--accent-primary); }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin: 0.8rem 0 1rem;
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .footer-badge {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            padding: 0.35rem 0.75rem;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-badge i { color: var(--accent-secondary); }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--accent-primary);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }
        .footer-links a:hover { color: var(--accent-secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(15, 12, 32, 0.98);
                border-radius: var(--radius-card);
                padding: 1rem;
                margin-top: 0.8rem;
                border: 1px solid rgba(0, 240, 255, 0.2);
            }
            .navbar-nav .nav-link { margin: 0.25rem 0; }
            .nav-auth {
                flex-direction: column;
                align-items: stretch;
                gap: 0.6rem;
                margin-top: 0.8rem;
            }
            .btn-login-text, .btn-signup-solid { text-align: center; width: 100%; }
        }
        @media (max-width: 767.98px) {
            .hero-category { padding: 2.8rem 0 2.5rem; }
            .section-pad { padding: 2.8rem 0; }
            .fixed-cta-inner { justify-content: center; text-align: center; }
            .fixed-cta-text { font-size: 0.85rem; }
            .fab-neon { left: 0.9rem; bottom: 6.2rem; width: 48px; height: 48px; font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .hero-title-category { font-size: 1.9rem; }
            .hero-desc { font-size: 1rem; }
            .kpi-strip { gap: 1rem; }
            .kpi-value { font-size: 1.25rem; }
            .trust-bar { flex-direction: column; align-items: flex-start; }
            .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #08090F;
            --bg-surface: #0D111E;
            --bg-card: #111827;
            --bg-elevated: #1A2338;
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --accent-danger: #FF3B6B;
            --accent-success: #00E396;
            --accent-warning: #FFB800;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-active: rgba(0, 240, 255, 0.5);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-glow-blue: 0 0 22px rgba(0, 82, 255, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --font-body: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-display: 'Be Vietnam Pro', 'Inter', sans-serif;
            --container-width: 1200px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

        /* Header / Navigation */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            text-decoration: none;
            white-space: nowrap;
            transition: var(--transition-fast);
        }

        .navbar-brand-custom i {
            color: var(--accent-secondary);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
        }

        .navbar-brand-custom:hover {
            color: var(--text-primary);
            opacity: 0.9;
        }

        .navbar-nav {
            gap: 6px;
        }

        .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 14px !important;
            border-radius: 8px;
            transition: var(--transition-fast);
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.1);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.25);
        }

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

        .btn-login-text {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition-fast);
        }

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

        .btn-signup-solid {
            background: var(--accent-gradient);
            color: #fff;
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition-fast);
            box-shadow: var(--shadow-glow-blue);
            white-space: nowrap;
        }

        .btn-signup-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 82, 255, 0.5);
            filter: brightness(1.1);
        }

        .navbar-toggler {
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.04);
            padding: 8px 10px;
            border-radius: 8px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
        }

        /* Hero */
        .hero-section {
            background: 
                linear-gradient(180deg, rgba(8,9,15,0.88) 0%, rgba(13,17,30,0.94) 55%, rgba(8,9,15,1) 100%),
                url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0,82,255,0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0,240,255,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 5;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-secondary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 0.8rem;
        }

        .hero-title {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: var(--text-primary);
            max-width: 750px;
        }

        .hero-title .gradient-text {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .btn-primary-cta {
            background: var(--accent-gradient);
            color: #fff;
            border: none;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 32px;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-glow-blue);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(0, 82, 255, 0.5);
            color: #fff;
            filter: brightness(1.1);
        }

        .btn-outline-cta {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 16px 28px;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-cta:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--text-primary);
            transform: translateY(-3px);
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 10px;
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .hero-trust-item i {
            color: var(--accent-success);
            font-size: 0.9rem;
        }

        /* Feature Cards */
        .feature-section {
            padding: 80px 0;
            background: var(--bg-deep);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-secondary);
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.7;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            transition: var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: var(--transition-smooth);
        }

        .feature-card:hover {
            border-color: var(--border-active);
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow-cyan);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(0, 82, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.4rem;
            color: var(--accent-secondary);
        }

        .feature-card h3 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Process Section */
        .process-section {
            padding: 80px 0;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-glow-blue);
        }

        .step-body h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .step-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: 
                linear-gradient(135deg, rgba(0,82,255,0.12) 0%, rgba(0,240,255,0.06) 50%, transparent 100%),
                var(--bg-deep);
            text-align: center;
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border-active);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            box-shadow: var(--shadow-glow-cyan);
        }

        .cta-box h2 {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
        }

        .accordion-custom {
            max-width: 850px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-fast);
        }

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

        .accordion-button {
            background: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-secondary);
        }

        .accordion-button::after {
            filter: invert(1) brightness(0.8);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2) !important;
        }

        .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0 22px 20px;
        }

        /* Footer */
        .site-footer {
            background: #050609;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            color: var(--text-secondary);
        }

        .footer-brand {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
        }

        .footer-brand i {
            color: var(--accent-secondary);
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.4));
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
        }

        .footer-badge i {
            color: var(--accent-success);
            font-size: 0.75rem;
        }

        .footer-heading {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }

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

        .text-muted-custom {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Fixed Bottom CTA Bar */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(0, 240, 255, 0.25);
            padding: 12px 20px;
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .fixed-bottom-cta .cta-text {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .fixed-bottom-cta .btn-primary-cta {
            padding: 12px 24px;
            font-size: 0.95rem;
        }

        /* Floating Action Button (Left) */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(13, 17, 30, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: 
                linear-gradient(rgba(13, 17, 30, 0.85), rgba(13, 17, 30, 0.85)),
                linear-gradient(135deg, #0052FF, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            opacity: 0.6;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
        }

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

        .fab-left i {
            font-size: 1.5rem;
            color: var(--accent-secondary);
            animation: fab-pulse 2.5s ease-in-out infinite;
        }

        @keyframes fab-pulse {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        .fab-left .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-danger);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
            animation: notification-blink 1.5s ease-in-out infinite;
        }

        @keyframes notification-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(8, 9, 15, 0.98);
                border-radius: 12px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-subtle);
            }
            .nav-auth {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-subtle);
                justify-content: flex-start;
            }
            .hero-section {
                min-height: 480px;
                padding: 60px 0 80px;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .btn-primary-cta, .btn-outline-cta {
                padding: 14px 22px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .fixed-bottom-cta {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .fixed-bottom-cta .btn-primary-cta {
                width: 100%;
            }
            .fab-left {
                left: 12px;
                bottom: 140px;
                width: 48px;
                height: 48px;
                border-radius: 14px;
            }
            .fab-left i {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 519.98px) {
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }