/* roulang page: index */
/* ============ DESIGN SYSTEM VARIABLES ============ */
    :root {
        --color-bg-primary: #0A2E1C;
        --color-bg-secondary: #123E25;
        --color-bg-tertiary: #0B2A1A;
        --color-bg-card: rgba(18, 62, 37, 0.72);
        --color-accent-gold: #FFD700;
        --color-accent-gold-dark: #C5A059;
        --color-accent-red: #D32F2F;
        --color-accent-red-light: #F44336;
        --color-text-white: #FFFFFF;
        --color-text-mint: #D1F2EB;
        --color-text-muted: #9DB8AD;
        --color-text-gold: #F0E68C;
        --color-border-gold: rgba(255, 215, 0, 0.35);
        --color-border-mint: rgba(209, 242, 235, 0.15);
        --color-shadow-gold: rgba(255, 215, 0, 0.25);
        --color-shadow-dark: rgba(0, 0, 0, 0.45);
        --border-radius-sm: 6px;
        --border-radius-md: 12px;
        --border-radius-lg: 20px;
        --border-radius-xl: 28px;
        --border-radius-full: 50%;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 6px 22px rgba(0,0,0,0.35);
        --shadow-lg: 0 14px 40px rgba(0,0,0,0.5);
        --shadow-gold: 0 4px 20px rgba(255,215,0,0.2);
        --shadow-red: 0 4px 18px rgba(211,47,47,0.3);
        --spacing-xs: 0.5rem;
        --spacing-sm: 1rem;
        --spacing-md: 1.75rem;
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
        --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        --font-heading: 'Georgia', 'Times New Roman', serif;
        --transition-fast: 0.2s ease;
        --transition-base: 0.3s ease;
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        --nav-height: 72px;
    }

    /* ============ BASE RESET & OVERRIDES ============ */
    *, *::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(--color-bg-primary);
        color: var(--color-text-white);
        line-height: 1.65;
        font-size: 16px;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

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

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

    button, .button {
        cursor: pointer;
        font-family: var(--font-body);
        border: none;
        outline: none;
        transition: all var(--transition-base);
    }

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

    /* ============ CONTAINER ============ */
    .custom-container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
        width: 100%;
    }

    @media (max-width: 640px) {
        .custom-container {
            padding-left: var(--spacing-sm);
            padding-right: var(--spacing-sm);
        }
    }

    /* ============ HEADER / NAVIGATION ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: var(--nav-height);
        background: rgba(10, 46, 28, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border-mint);
        z-index: 1000;
        transition: background var(--transition-base), box-shadow var(--transition-base);
    }

    .site-header.scrolled {
        background: rgba(7, 33, 20, 0.98);
        box-shadow: 0 4px 20px rgba(0,0,0,0.45);
    }

    .site-header .custom-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        gap: var(--spacing-sm);
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-family: var(--font-heading);
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .nav-logo .logo-icon {
        width: 38px;
        height: 38px;
        background: radial-gradient(circle at 30% 30%, #FFE066, #FFD700 50%, #B8860B);
        border-radius: var(--border-radius-full);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        color: #3A2A00;
        box-shadow: var(--shadow-gold);
        flex-shrink: 0;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 6px;
        list-style: none;
        flex: 1;
        justify-content: center;
    }

    .nav-menu li a {
        display: block;
        padding: 8px 16px;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--color-text-mint);
        border-radius: var(--border-radius-sm);
        letter-spacing: 0.3px;
        transition: all var(--transition-fast);
    }

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

    .nav-menu li a.active {
        color: var(--color-accent-gold);
        background: rgba(255, 215, 0, 0.12);
        font-weight: 600;
    }

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

    .btn-login {
        padding: 8px 16px;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--color-text-mint);
        background: transparent;
        border: 1px solid rgba(209, 242, 235, 0.25);
        border-radius: var(--border-radius-sm);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

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

    .btn-signup {
        padding: 8px 20px;
        font-size: 0.85rem;
        font-weight: 700;
        color: #3A2A00;
        background: linear-gradient(135deg, #FFE066, #FFD700 40%, #FFC107);
        border-radius: var(--border-radius-sm);
        box-shadow: 0 2px 12px rgba(255, 215, 0, 0.35);
        letter-spacing: 0.4px;
        white-space: nowrap;
        transition: all var(--transition-fast);
    }

    .btn-signup:hover {
        background: linear-gradient(135deg, #FFF180, #FFD700 40%, #FFB300);
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
        transform: translateY(-1px);
        color: #3A2A00;
    }

    .btn-signup:active {
        transform: translateY(0);
        box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
    }

    /* Mobile hamburger */
    .nav-hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: transparent;
        padding: 8px;
        border-radius: var(--border-radius-sm);
        border: 1px solid rgba(209, 242, 235, 0.2);
        cursor: pointer;
    }

    .nav-hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--color-text-mint);
        border-radius: 2px;
        transition: all var(--transition-base);
    }

    .nav-hamburger.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-hamburger.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-hamburger.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu-panel {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(7, 33, 20, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--color-border-mint);
        padding: var(--spacing-sm) var(--spacing-md);
        z-index: 999;
        flex-direction: column;
        gap: 4px;
    }

    .mobile-menu-panel.open {
        display: flex;
    }

    .mobile-menu-panel a {
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
        font-weight: 500;
        color: var(--color-text-mint);
        border-radius: var(--border-radius-sm);
        border-bottom: 1px solid rgba(209, 242, 235, 0.08);
    }

    .mobile-menu-panel a:hover {
        color: var(--color-accent-gold);
        background: rgba(255, 215, 0, 0.06);
    }

    .mobile-menu-panel a.active {
        color: var(--color-accent-gold);
        font-weight: 600;
    }

    @media (max-width: 850px) {
        .nav-menu {
            display: none;
        }
        .nav-hamburger {
            display: flex;
        }
        .nav-logo {
            font-size: 1.1rem;
        }
        .nav-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 0.9rem;
        }
        .btn-login {
            padding: 6px 12px;
            font-size: 0.78rem;
        }
        .btn-signup {
            padding: 6px 14px;
            font-size: 0.78rem;
        }
    }

    @media (max-width: 520px) {
        .nav-logo {
            font-size: 0.95rem;
            gap: 6px;
        }
        .nav-logo .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 0.8rem;
        }
        .btn-login {
            padding: 5px 10px;
            font-size: 0.72rem;
        }
        .btn-signup {
            padding: 5px 12px;
            font-size: 0.72rem;
        }
        .nav-auth {
            gap: 6px;
        }
    }

    /* ============ HERO SECTION ============ */
    .hero-section {
        position: relative;
        padding-top: calc(var(--nav-height) + 2rem);
        padding-bottom: var(--spacing-xl);
        min-height: 100vh;
        display: flex;
        align-items: center;
        background-image: url('/assets/images/backpic/back-1.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(ellipse at center bottom, rgba(10, 46, 28, 0.55) 0%, rgba(7, 33, 20, 0.85) 55%, rgba(7, 33, 20, 0.95) 100%);
        z-index: 1;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FFD700' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        z-index: 1;
        pointer-events: none;
    }

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

    .hero-grid {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: var(--spacing-xl);
        align-items: center;
    }

    .hero-content h1 {
        font-family: var(--font-heading);
        font-size: clamp(2.2rem, 5vw, 3.6rem);
        font-weight: 700;
        color: var(--color-accent-gold);
        line-height: 1.2;
        margin-bottom: var(--spacing-md);
        letter-spacing: 0.5px;
        text-shadow: 0 2px 20px rgba(255, 215, 0, 0.25);
    }

    .hero-content .hero-subtitle {
        font-size: 1.1rem;
        color: var(--color-text-mint);
        max-width: 560px;
        line-height: 1.7;
        margin-bottom: var(--spacing-lg);
    }

    .hero-cta-group {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }

    .btn-primary {
        padding: 14px 30px;
        font-size: 1rem;
        font-weight: 700;
        color: #2A1F00;
        background: linear-gradient(135deg, #FFE066, #FFD700 40%, #FFC107);
        border-radius: var(--border-radius-md);
        box-shadow: 0 4px 24px rgba(255, 215, 0, 0.4);
        letter-spacing: 0.5px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: all var(--transition-base);
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 30px rgba(255, 215, 0, 0.55);
        color: #2A1F00;
    }

    .btn-primary:active {
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
    }

    .btn-secondary-outline {
        padding: 14px 26px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-accent-gold);
        background: transparent;
        border: 2px solid rgba(255, 215, 0, 0.5);
        border-radius: var(--border-radius-md);
        letter-spacing: 0.5px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: all var(--transition-base);
    }

    .btn-secondary-outline:hover {
        background: rgba(255, 215, 0, 0.1);
        border-color: var(--color-accent-gold);
        color: var(--color-accent-gold);
        transform: translateY(-2px);
    }

    .hero-data-row {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

    .hero-data-item {
        display: flex;
        flex-direction: column;
    }

    .hero-data-item .data-value {
        font-size: 1.6rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        font-family: var(--font-heading);
    }

    .hero-data-item .data-label {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        text-transform: uppercase;
        letter-spacing: 0.6px;
    }

    /* Hero Right - Progress Ring + Tiers */
    .hero-visual {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .progress-ring-card {
        background: rgba(18, 62, 37, 0.75);
        backdrop-filter: blur(12px);
        border: 1px solid var(--color-border-gold);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-md);
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }

    .progress-ring-wrap {
        flex-shrink: 0;
        width: 100px;
        height: 100px;
    }

    .progress-ring-wrap svg {
        width: 100%;
        height: 100%;
        transform: rotate(-90deg);
    }

    .progress-ring-wrap .bg-circle {
        fill: none;
        stroke: rgba(209, 242, 235, 0.15);
        stroke-width: 8;
    }

    .progress-ring-wrap .fg-circle {
        fill: none;
        stroke: var(--color-accent-gold);
        stroke-width: 8;
        stroke-linecap: round;
        stroke-dasharray: 251.2;
        stroke-dashoffset: 62.8;
        transition: stroke-dashoffset 1.2s ease;
        filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.45));
    }

    .progress-ring-info h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        margin-bottom: 4px;
        font-family: var(--font-heading);
    }

    .progress-ring-info p {
        font-size: 0.85rem;
        color: var(--color-text-mint);
        line-height: 1.5;
    }

    .tier-preview-card {
        background: rgba(18, 62, 37, 0.75);
        backdrop-filter: blur(12px);
        border: 1px solid var(--color-border-mint);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }

    .tier-preview-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        font-family: var(--font-heading);
        margin-bottom: var(--spacing-sm);
    }

    .tier-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .tier-item {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 14px;
        background: rgba(10, 46, 28, 0.6);
        border-radius: var(--border-radius-sm);
        border-left: 3px solid var(--color-accent-gold);
        transition: all var(--transition-fast);
    }

    .tier-item:hover {
        background: rgba(255, 215, 0, 0.08);
        transform: translateX(4px);
    }

    .tier-item .tier-icon {
        width: 32px;
        height: 32px;
        background: rgba(255, 215, 0, 0.15);
        border-radius: var(--border-radius-full);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent-gold);
        font-size: 0.9rem;
        flex-shrink: 0;
    }

    .tier-item .tier-info {
        flex: 1;
    }

    .tier-item .tier-name {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--color-text-white);
    }

    .tier-item .tier-desc {
        font-size: 0.75rem;
        color: var(--color-text-muted);
    }

    .tier-item .tier-arrow {
        color: var(--color-accent-gold);
        font-size: 0.8rem;
    }

    @media (max-width: 1024px) {
        .hero-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }
        .hero-content {
            text-align: left;
        }
        .hero-cta-group {
            justify-content: flex-start;
        }
        .hero-data-row {
            justify-content: flex-start;
        }
    }

    @media (max-width: 640px) {
        .hero-section {
            padding-top: calc(var(--nav-height) + 1rem);
            padding-bottom: var(--spacing-lg);
        }
        .hero-content h1 {
            font-size: 1.9rem;
        }
        .hero-content .hero-subtitle {
            font-size: 0.95rem;
        }
        .btn-primary, .btn-secondary-outline {
            padding: 11px 20px;
            font-size: 0.88rem;
            width: 100%;
            justify-content: center;
        }
        .hero-cta-group {
            flex-direction: column;
        }
        .hero-data-row {
            gap: var(--spacing-md);
        }
        .hero-data-item .data-value {
            font-size: 1.3rem;
        }
        .progress-ring-card {
            flex-direction: column;
            text-align: center;
            padding: var(--spacing-sm);
        }
        .progress-ring-wrap {
            width: 80px;
            height: 80px;
        }
    }

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

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

    .section-header h2 {
        font-family: var(--font-heading);
        font-size: clamp(1.6rem, 3vw, 2.3rem);
        font-weight: 700;
        color: var(--color-accent-gold);
        line-height: 1.25;
        margin-bottom: 8px;
        letter-spacing: 0.4px;
    }

    .section-header p {
        font-size: 1rem;
        color: var(--color-text-mint);
        max-width: 640px;
        line-height: 1.65;
    }

    .section-header.text-left {
        text-align: left;
    }

    /* ============ SERIES NAV (分类导航) ============ */
    .series-nav-section {
        background: var(--color-bg-secondary);
        border-bottom: 1px solid var(--color-border-mint);
        border-top: 1px solid var(--color-border-mint);
    }

    .series-nav-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .series-nav-card {
        position: relative;
        border-radius: var(--border-radius-lg);
        overflow: hidden;
        min-height: 240px;
        display: flex;
        align-items: flex-end;
        background-size: cover;
        background-position: center;
        box-shadow: var(--shadow-md);
        transition: all var(--transition-base);
        border: 1px solid var(--color-border-mint);
    }

    .series-nav-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(to top, rgba(7, 33, 20, 0.92) 0%, rgba(7, 33, 20, 0.4) 50%, rgba(7, 33, 20, 0.15) 100%);
        z-index: 1;
        transition: all var(--transition-base);
    }

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

    .series-nav-card:hover::before {
        background: linear-gradient(to top, rgba(7, 33, 20, 0.95) 0%, rgba(255, 215, 0, 0.2) 60%, rgba(7, 33, 20, 0.1) 100%);
    }

    .series-nav-content {
        position: relative;
        z-index: 2;
        padding: var(--spacing-md);
        width: 100%;
    }

    .series-nav-content .series-badge {
        display: inline-block;
        padding: 4px 14px;
        font-size: 0.72rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.8px;
        color: #3A2A00;
        background: var(--color-accent-gold);
        border-radius: 20px;
        margin-bottom: 8px;
    }

    .series-nav-content h3 {
        font-size: 1.35rem;
        font-weight: 700;
        color: var(--color-text-white);
        margin-bottom: 6px;
        font-family: var(--font-heading);
    }

    .series-nav-content p {
        font-size: 0.88rem;
        color: var(--color-text-mint);
        line-height: 1.5;
        margin-bottom: 10px;
    }

    .series-nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--color-accent-gold);
        transition: all var(--transition-fast);
    }

    .series-nav-link:hover {
        gap: 10px;
        color: #FFE066;
    }

    @media (max-width: 640px) {
        .series-nav-grid {
            grid-template-columns: 1fr;
        }
        .series-nav-card {
            min-height: 180px;
        }
    }

    /* ============ HOT SHOWCASE (爆款陈列 - 横向轨道) ============ */
    .showcase-section {
        background: var(--color-bg-primary);
    }

    .showcase-track {
        display: flex;
        gap: var(--spacing-sm);
        overflow-x: auto;
        padding: var(--spacing-sm) 2px var(--spacing-md);
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--color-accent-gold) rgba(209, 242, 235, 0.1);
    }

    .showcase-track::-webkit-scrollbar {
        height: 5px;
    }
    .showcase-track::-webkit-scrollbar-track {
        background: rgba(209, 242, 235, 0.08);
        border-radius: 10px;
    }
    .showcase-track::-webkit-scrollbar-thumb {
        background: var(--color-accent-gold);
        border-radius: 10px;
    }

    .showcase-card {
        flex: 0 0 240px;
        scroll-snap-align: start;
        border-radius: var(--border-radius-md);
        overflow: hidden;
        background: rgba(18, 62, 37, 0.7);
        border: 1px solid var(--color-border-mint);
        transition: all var(--transition-base);
        cursor: pointer;
    }

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

    .showcase-card .card-image-wrap {
        position: relative;
        aspect-ratio: 16/10;
        overflow: hidden;
    }

    .showcase-card .card-image-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

    .showcase-card:hover .card-image-wrap img {
        transform: scale(1.06);
    }

    .showcase-card .card-hot-tag {
        position: absolute;
        top: 10px;
        right: 10px;
        background: var(--color-accent-red);
        color: #fff;
        padding: 4px 10px;
        font-size: 0.68rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        border-radius: 4px;
        box-shadow: var(--shadow-red);
    }

    .showcase-card .card-body {
        padding: var(--spacing-sm);
    }

    .showcase-card .card-body h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--color-text-white);
        margin-bottom: 4px;
    }

    .showcase-card .card-body p {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        line-height: 1.45;
        margin-bottom: 8px;
    }

    .showcase-card .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .showcase-card .card-rating {
        color: var(--color-accent-gold);
        font-size: 0.78rem;
    }

    .showcase-card .card-rating i {
        font-size: 0.7rem;
        margin-right: 2px;
    }

    .showcase-card .card-play-btn {
        padding: 6px 14px;
        font-size: 0.78rem;
        font-weight: 700;
        color: #3A2A00;
        background: var(--color-accent-gold);
        border-radius: 20px;
        transition: all var(--transition-fast);
    }

    .showcase-card .card-play-btn:hover {
        background: #FFE066;
        transform: scale(1.05);
    }

    @media (max-width: 640px) {
        .showcase-card {
            flex: 0 0 200px;
        }
    }

    /* ============ CORE FEATURES (卖点列表) ============ */
    .features-section {
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border-mint);
        border-bottom: 1px solid var(--color-border-mint);
    }

    .features-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
        list-style: none;
    }

    .feature-item {
        display: flex;
        align-items: flex-start;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
        background: rgba(10, 46, 28, 0.5);
        border-radius: var(--border-radius-md);
        border-left: 3px solid var(--color-accent-gold);
        transition: all var(--transition-base);
    }

    .feature-item:hover {
        background: rgba(255, 215, 0, 0.06);
        transform: translateX(4px);
        border-left-color: #FFE066;
    }

    .feature-icon {
        width: 44px;
        height: 44px;
        flex-shrink: 0;
        background: rgba(255, 215, 0, 0.12);
        border-radius: var(--border-radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent-gold);
        font-size: 1.15rem;
    }

    .feature-item h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--color-text-white);
        margin-bottom: 2px;
    }

    .feature-item p {
        font-size: 0.85rem;
        color: var(--color-text-mint);
        line-height: 1.5;
    }

    @media (max-width: 640px) {
        .features-list {
            grid-template-columns: 1fr;
        }
    }

    /* ============ NEWS / CMS LIST (资讯列表) ============ */
    .news-section {
        background: var(--color-bg-primary);
    }

    .news-layout {
        display: grid;
        grid-template-columns: 1.4fr 0.6fr;
        gap: var(--spacing-lg);
        align-items: start;
    }

    .news-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .news-list li {
        border-bottom: 1px solid rgba(209, 242, 235, 0.08);
        padding: var(--spacing-sm) 0;
        transition: all var(--transition-fast);
    }

    .news-list li:hover {
        padding-left: 10px;
        border-bottom-color: rgba(255, 215, 0, 0.3);
    }

    .news-link {
        display: block;
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-text-white);
        line-height: 1.45;
        margin-bottom: 4px;
        transition: color var(--transition-fast);
    }

    .news-link:hover {
        color: var(--color-accent-gold);
    }

    .news-meta {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        font-size: 0.78rem;
        color: var(--color-text-muted);
    }

    .news-meta .news-category {
        color: var(--color-accent-gold);
        font-weight: 500;
    }

    .news-meta .news-date {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .news-excerpt {
        font-size: 0.85rem;
        color: var(--color-text-muted);
        line-height: 1.5;
        margin-top: 4px;
    }

    .news-empty {
        padding: var(--spacing-md);
        background: rgba(18, 62, 37, 0.5);
        border-radius: var(--border-radius-md);
        color: var(--color-text-muted);
        font-size: 0.95rem;
        border: 1px dashed rgba(209, 242, 235, 0.2);
    }

    .news-sidebar {
        background: rgba(18, 62, 37, 0.65);
        border: 1px solid var(--color-border-mint);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }

    .news-sidebar h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        font-family: var(--font-heading);
        margin-bottom: var(--spacing-sm);
    }

    .sidebar-tip {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        padding: 8px 0;
        border-bottom: 1px solid rgba(209, 242, 235, 0.06);
    }

    .sidebar-tip:last-child {
        border-bottom: none;
    }

    .sidebar-tip i {
        color: var(--color-accent-gold);
        font-size: 0.85rem;
        margin-top: 3px;
        flex-shrink: 0;
    }

    .sidebar-tip span {
        font-size: 0.82rem;
        color: var(--color-text-mint);
        line-height: 1.45;
    }

    @media (max-width: 850px) {
        .news-layout {
            grid-template-columns: 1fr;
        }
    }

    /* ============ FAQ / QUICK ANSWERS ============ */
    .faq-section {
        background: var(--color-bg-secondary);
    }

    .faq-accordion {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 8px;
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: rgba(10, 46, 28, 0.55);
        border: 1px solid var(--color-border-mint);
        border-radius: var(--border-radius-md);
        overflow: hidden;
        transition: all var(--transition-base);
    }

    .faq-item.open {
        border-color: var(--color-border-gold);
        box-shadow: var(--shadow-gold);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
        background: transparent;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--color-text-white);
        text-align: left;
        letter-spacing: 0.3px;
        transition: color var(--transition-fast);
    }

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

    .faq-question .faq-toggle-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        background: rgba(255, 215, 0, 0.12);
        border-radius: var(--border-radius-full);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent-gold);
        font-size: 0.75rem;
        transition: transform var(--transition-base);
    }

    .faq-item.open .faq-toggle-icon {
        transform: rotate(180deg);
    }

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

    .faq-item.open .faq-answer {
        max-height: 300px;
    }

    .faq-answer-inner {
        padding: 0 var(--spacing-md) var(--spacing-md);
        font-size: 0.88rem;
        color: var(--color-text-mint);
        line-height: 1.6;
    }

    /* ============ SECURITY SYSTEM ============ */
    .security-section {
        background: var(--color-bg-primary);
        border-top: 1px solid var(--color-border-mint);
    }

    .security-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }

    .security-item {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: var(--spacing-md);
        background: rgba(18, 62, 37, 0.55);
        border-radius: var(--border-radius-md);
        border: 1px solid var(--color-border-mint);
        transition: all var(--transition-base);
    }

    .security-item:hover {
        border-color: rgba(255, 215, 0, 0.35);
        background: rgba(255, 215, 0, 0.05);
        transform: translateY(-3px);
    }

    .security-item .sec-icon {
        width: 48px;
        height: 48px;
        background: rgba(255, 215, 0, 0.12);
        border-radius: var(--border-radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent-gold);
        font-size: 1.3rem;
    }

    .security-item h3 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--color-text-white);
    }

    .security-item p {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        line-height: 1.5;
    }

    @media (max-width: 1024px) {
        .security-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 520px) {
        .security-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ============ EVENT HIGHLIGHTS WALL ============ */
    .events-section {
        background: var(--color-bg-secondary);
        position: relative;
        background-image: url('/assets/images/backpic/back-3.jpg');
        background-size: cover;
        background-position: center;
    }

    .events-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 46, 28, 0.88);
        z-index: 1;
    }

    .events-section .custom-container {
        position: relative;
        z-index: 2;
    }

    .events-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .event-highlight {
        background: rgba(18, 62, 37, 0.7);
        border: 1px solid rgba(255, 215, 0, 0.25);
        border-radius: var(--border-radius-md);
        padding: var(--spacing-md);
        backdrop-filter: blur(8px);
        transition: all var(--transition-base);
    }

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

    .event-highlight .event-icon {
        font-size: 1.4rem;
        color: var(--color-accent-gold);
        margin-bottom: 10px;
    }

    .event-highlight h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--color-text-white);
        margin-bottom: 4px;
    }

    .event-highlight p {
        font-size: 0.82rem;
        color: var(--color-text-mint);
        line-height: 1.5;
    }

    @media (max-width: 850px) {
        .events-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ============ LIMITED TIME ENTRY (限时入口) ============ */
    .limited-section {
        background: var(--color-bg-primary);
        padding: var(--spacing-md) 0;
    }

    .limited-banner {
        background: linear-gradient(135deg, rgba(211, 47, 47, 0.25) 0%, rgba(18, 62, 37, 0.9) 60%);
        border: 1px solid rgba(211, 47, 47, 0.4);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-md) var(--spacing-lg);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        box-shadow: var(--shadow-md);
    }

    .limited-info h3 {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        font-family: var(--font-heading);
        margin-bottom: 4px;
    }

    .limited-info p {
        font-size: 0.9rem;
        color: var(--color-text-mint);
    }

    .countdown-timer {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .countdown-block {
        display: flex;
        flex-direction: column;
        align-items: center;
        background: rgba(7, 33, 20, 0.7);
        border: 1px solid rgba(255, 215, 0, 0.25);
        border-radius: var(--border-radius-sm);
        padding: 8px 12px;
        min-width: 58px;
    }

    .countdown-block .count-num {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        font-family: var(--font-heading);
    }

    .countdown-block .count-label {
        font-size: 0.68rem;
        color: var(--color-text-muted);
        text-transform: uppercase;
        letter-spacing: 0.4px;
    }

    .btn-limited-cta {
        padding: 14px 28px;
        font-size: 0.95rem;
        font-weight: 700;
        color: #fff;
        background: linear-gradient(135deg, #D32F2F, #C62828);
        border-radius: var(--border-radius-md);
        box-shadow: 0 4px 18px rgba(211, 47, 47, 0.4);
        letter-spacing: 0.5px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: all var(--transition-base);
        white-space: nowrap;
    }

    .btn-limited-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 24px rgba(211, 47, 47, 0.55);
        color: #fff;
    }

    @media (max-width: 768px) {
        .limited-banner {
            flex-direction: column;
            text-align: center;
        }
        .countdown-timer {
            justify-content: center;
        }
        .btn-limited-cta {
            width: 100%;
            justify-content: center;
        }
    }

    /* ============ MEMBERSHIP ENTRY ============ */
    .membership-section {
        background: var(--color-bg-primary);
        position: relative;
        background-image: url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center;
    }

    .membership-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(7, 33, 20, 0.85) 100%);
        z-index: 1;
    }

    .membership-section .custom-container {
        position: relative;
        z-index: 2;
    }

    .membership-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
        align-items: center;
    }

    .membership-content h2 {
        font-family: var(--font-heading);
        font-size: clamp(1.5rem, 2.5vw, 2rem);
        font-weight: 700;
        color: var(--color-accent-gold);
        margin-bottom: var(--spacing-sm);
    }

    .membership-content p {
        font-size: 0.95rem;
        color: var(--color-text-mint);
        line-height: 1.65;
        margin-bottom: var(--spacing-md);
    }

    .membership-benefits {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 6px;
        margin-bottom: var(--spacing-md);
    }

    .membership-benefits li {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: var(--color-text-mint);
    }

    .membership-benefits li i {
        color: var(--color-accent-gold);
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    .membership-visual {
        background: rgba(18, 62, 37, 0.7);
        border: 1px solid var(--color-border-gold);
        border-radius: var(--border-radius-xl);
        padding: var(--spacing-lg);
        text-align: center;
        backdrop-filter: blur(10px);
        box-shadow: var(--shadow-lg);
    }

    .membership-visual h3 {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        margin-bottom: var(--spacing-sm);
        font-family: var(--font-heading);
    }

    .membership-visual .vip-badge-large {
        font-size: 3rem;
        color: var(--color-accent-gold);
        margin-bottom: var(--spacing-sm);
        text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    }

    .membership-visual p {
        font-size: 0.9rem;
        color: var(--color-text-mint);
        margin-bottom: var(--spacing-sm);
    }

    .btn-vip-join {
        padding: 13px 30px;
        font-size: 1rem;
        font-weight: 700;
        color: #3A2A00;
        background: linear-gradient(135deg, #FFE066, #FFD700);
        border-radius: var(--border-radius-md);
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
        transition: all var(--transition-base);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-vip-join:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 28px rgba(255, 215, 0, 0.55);
        color: #3A2A00;
    }

    @media (max-width: 850px) {
        .membership-layout {
            grid-template-columns: 1fr;
        }
        .membership-visual {
            padding: var(--spacing-md);
        }
    }

    /* ============ FOOTER CTA ============ */
    .footer-cta-section {
        background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
        border-top: 1px solid var(--color-border-mint);
        padding: var(--spacing-lg) 0;
        text-align: center;
    }

    .footer-cta-section h2 {
        font-family: var(--font-heading);
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 700;
        color: var(--color-accent-gold);
        margin-bottom: 10px;
    }

    .footer-cta-section p {
        font-size: 1rem;
        color: var(--color-text-mint);
        max-width: 600px;
        margin: 0 auto var(--spacing-md);
    }

    /* ============ FOOTER ============ */
    .site-footer {
        background: #071F14;
        border-top: 1px solid var(--color-border-mint);
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr 0.8fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    .footer-brand h3 {
        font-family: var(--font-heading);
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--color-accent-gold);
        margin-bottom: 10px;
    }

    .footer-brand p {
        font-size: 0.85rem;
        color: var(--color-text-muted);
        line-height: 1.6;
        max-width: 360px;
    }

    .footer-links h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--color-text-white);
        margin-bottom: 10px;
        letter-spacing: 0.5px;
    }

    .footer-links ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .footer-links ul li a {
        font-size: 0.85rem;
        color: var(--color-text-muted);
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .footer-links ul li a:hover {
        color: var(--color-accent-gold);
        transform: translateX(3px);
    }

    .footer-contacts h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--color-text-white);
        margin-bottom: 10px;
        letter-spacing: 0.5px;
    }

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

    .footer-contacts ul li {
        font-size: 0.82rem;
        color: var(--color-text-muted);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-contacts ul li i {
        color: var(--color-accent-gold);
        width: 18px;
        text-align: center;
        flex-shrink: 0;
    }

    .footer-bottom {
        border-top: 1px solid rgba(209, 242, 235, 0.08);
        padding-top: var(--spacing-md);
        text-align: center;
        font-size: 0.78rem;
        color: var(--color-text-muted);
    }

    .footer-bottom .payment-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        justify-content: center;
        margin-bottom: 10px;
    }

    .payment-badge {
        padding: 4px 10px;
        font-size: 0.7rem;
        font-weight: 600;
        color: var(--color-text-mint);
        background: rgba(209, 242, 235, 0.08);
        border: 1px solid rgba(209, 242, 235, 0.15);
        border-radius: 20px;
        letter-spacing: 0.3px;
    }

    .footer-bottom .domain-line {
        color: var(--color-text-muted);
        font-size: 0.75rem;
    }

    @media (max-width: 850px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
    }

    /* ============ FAB (Floating Action Button) ============ */
    .fab-left {
        position: fixed;
        left: 16px;
        bottom: 96px;
        z-index: 50;
        width: 56px;
        height: 56px;
        border-radius: var(--border-radius-full);
        background: radial-gradient(circle at 35% 30%, #2A1F00, #0A2E1C 75%);
        border: 2px solid var(--color-accent-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: var(--color-accent-gold);
        cursor: pointer;
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        opacity: 0.7;
        transition: all var(--transition-base);
        animation: fabBreathe 3s ease-in-out infinite;
    }

    .fab-left::after {
        content: '';
        position: absolute;
        top: -3px;
        right: -3px;
        width: 14px;
        height: 14px;
        background: #D32F2F;
        border-radius: var(--border-radius-full);
        border: 2px solid #fff;
        box-shadow: 0 0 10px rgba(211, 47, 47, 0.7);
        animation: fabBlink 2s ease-in-out infinite;
    }

    .fab-left:hover {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
    }

    .fab-left:active {
        transform: scale(0.95) translateY(2px);
        opacity: 1;
    }

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

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

    @media (max-width: 640px) {
        .fab-left {
            width: 48px;
            height: 48px;
            font-size: 1.1rem;
            left: 12px;
            bottom: 72px;
        }
        .fab-left::after {
            width: 12px;
            height: 12px;
            top: -2px;
            right: -2px;
        }
    }

    /* ============ UTILITY ============ */
    .text-gold {
        color: var(--color-accent-gold);
    }
    .text-mint {
        color: var(--color-text-mint);
    }
    .text-muted {
        color: var(--color-text-muted);
    }
    .mt-0 { margin-top: 0; }
    .mb-0 { margin-bottom: 0; }
    .mb-sm { margin-bottom: var(--spacing-sm); }
    .mb-md { margin-bottom: var(--spacing-md); }
    .mb-lg { margin-bottom: var(--spacing-lg); }
    .fw-bold { font-weight: 700; }
    .fw-600 { font-weight: 600; }
    .text-center { text-align: center; }
    .text-left { text-align: left; }
    .d-flex { display: flex; }
    .align-center { align-items: center; }
    .gap-sm { gap: var(--spacing-sm); }
    .gap-md { gap: var(--spacing-md); }
    .flex-wrap { flex-wrap: wrap; }
    .section-divider {
        height: 1px;
        background: rgba(209, 242, 235, 0.1);
        border: none;
    }

/* roulang page: category1 */
:root {
            --color-bg-primary: #0A2E1C;
            --color-bg-secondary: #123E25;
            --color-bg-tertiary: #0B2A1A;
            --color-bg-card: rgba(18, 62, 37, 0.72);
            --color-accent-gold: #FFD700;
            --color-accent-gold-dark: #C5A059;
            --color-accent-red: #D32F2F;
            --color-accent-red-light: #F44336;
            --color-text-white: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: #9DB8AD;
            --color-text-gold: #F0E68C;
            --color-border-gold: rgba(255, 215, 0, 0.35);
            --color-border-mint: rgba(209, 242, 235, 0.15);
            --color-shadow-gold: rgba(255, 215, 0, 0.25);
            --color-shadow-dark: rgba(0, 0, 0, 0.45);
            --border-radius-sm: 6px;
            --border-radius-md: 12px;
            --border-radius-lg: 20px;
            --border-radius-xl: 28px;
            --border-radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 22px rgba(0,0,0,0.35);
            --shadow-lg: 0 14px 40px rgba(0,0,0,0.5);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.2);
            --shadow-red: 0 4px 18px rgba(211,47,47,0.3);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.75rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-white);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-top: var(--nav-height);
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-gold);
        }
        button, .button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 3px;
        }
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
            width: 100%;
        }
        /* HEADER */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-mint);
            z-index: 1000;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(7, 33, 20, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.45);
        }
        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--spacing-sm);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: radial-gradient(circle at 30% 30%, #FFE066, #FFD700 50%, #B8860B);
            border-radius: var(--border-radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #3A2A00;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }
        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-mint);
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }
        .nav-menu li a:hover {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .nav-menu li a.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-mint);
            background: transparent;
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-base);
        }
        .btn-login:hover {
            color: var(--color-accent-gold);
            border-color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        .btn-signup {
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #3A2A00;
            background: var(--color-accent-gold);
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
        }
        .btn-signup:hover {
            background: #FFE066;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255,215,0,0.35);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border-radius: 6px;
        }
        .nav-hamburger span {
            width: 24px;
            height: 2px;
            background: var(--color-accent-gold);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        /* HERO */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(10,46,28,0.95), rgba(18,62,37,0.9)), url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
            padding: calc(var(--spacing-xl) + 1rem) 0 var(--spacing-xl);
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 70% 30%, rgba(255,215,0,0.12), transparent 50%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .hero-text .eyebrow {
            display: inline-block;
            background: rgba(255,215,0,0.15);
            color: var(--color-accent-gold);
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            border: 1px solid var(--color-border-gold);
            margin-bottom: 1rem;
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-text-white);
            line-height: 1.25;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }
        .hero-text h1 .gold {
            color: var(--color-accent-gold);
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--color-text-mint);
            margin-bottom: 2rem;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-primary-gold {
            padding: 0.9rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            color: #3A2A00;
            background: var(--color-accent-gold);
            border-radius: var(--border-radius-md);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-primary-gold:hover {
            background: #FFE066;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255,215,0,0.4);
        }
        .btn-outline-mint {
            padding: 0.85rem 1.8rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-mint);
            background: transparent;
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-md);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-outline-mint:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            background: rgba(255,215,0,0.05);
        }
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual .visual-card {
            background: rgba(18,62,37,0.8);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(8px);
            text-align: center;
            max-width: 420px;
        }
        .hero-visual .visual-card img {
            border-radius: var(--border-radius-md);
            margin-bottom: 1rem;
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .hero-visual .visual-card .badge-line {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-visual .visual-card .badge-line span {
            background: rgba(255,215,0,0.12);
            color: var(--color-accent-gold);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid var(--color-border-gold);
        }
        /* SECTION COMMON */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-heading {
            max-width: 700px;
            margin-bottom: var(--spacing-lg);
        }
        .section-heading .section-tag {
            color: var(--color-accent-gold);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.85rem;
            font-weight: 600;
            display: block;
            margin-bottom: 0.5rem;
        }
        .section-heading h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            color: var(--color-text-white);
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        .section-heading p {
            color: var(--color-text-muted);
            font-size: 1rem;
        }
        /* FEATURES GRID */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .feature-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-lg);
            padding: 1.8rem 1.5rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--color-accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-item:hover {
            border-color: var(--color-border-gold);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }
        .feature-item:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 54px;
            height: 54px;
            background: rgba(255,215,0,0.12);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-accent-gold);
            margin-bottom: 1.2rem;
        }
        .feature-item h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin-bottom: 0.8rem;
        }
        .feature-item p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* SCENARIOS */
        .scenario-list {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 1.5rem;
        }
        .scenario-card {
            grid-column: span 4;
            background: rgba(11, 42, 26, 0.7);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-lg);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }
        .scenario-card:hover {
            border-color: var(--color-border-gold);
            background: rgba(18, 62, 37, 0.85);
            box-shadow: var(--shadow-gold);
        }
        .scenario-card .scenario-icon {
            font-size: 2rem;
            color: var(--color-accent-gold);
            margin-bottom: 1rem;
        }
        .scenario-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin-bottom: 0.7rem;
        }
        .scenario-card p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
        }
        /* PROCESS STEPS */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            counter-reset: step-counter;
        }
        .step-item {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-lg);
            padding: 1.8rem 1.5rem;
            transition: all var(--transition-base);
            counter-increment: step-counter;
        }
        .step-item:hover {
            border-color: var(--color-border-gold);
            transform: translateY(-3px);
        }
        .step-item::before {
            content: counter(step-counter, decimal-leading-zero);
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 700;
            color: rgba(255,215,0,0.3);
            position: absolute;
            top: 10px;
            right: 20px;
            line-height: 1;
        }
        .step-item h3 {
            font-size: 1.2rem;
            color: var(--color-accent-gold);
            margin-bottom: 0.7rem;
        }
        .step-item p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(11, 42, 26, 0.7);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-gold);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--color-text-white);
            padding: 1.2rem 1.5rem;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(255,215,0,0.05);
            color: var(--color-accent-gold);
        }
        .faq-question .fa-chevron-down {
            transition: transform var(--transition-base);
        }
        .faq-item.open .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.5rem;
        }
        .faq-answer p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 1rem 0 0;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(18,62,37,0.95), rgba(10,46,28,0.95)), url('/assets/images/backpic/back-3.jpg') center / cover no-repeat;
            padding: var(--spacing-xl) 0;
            text-align: center;
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            color: var(--color-accent-gold);
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--color-text-mint);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        /* FOOTER */
        .site-footer {
            background: #081F13;
            border-top: 1px solid var(--color-border-mint);
            padding: 3rem 0 1.5rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand h3 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .footer-links h4, .footer-contacts h4 {
            color: var(--color-text-white);
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .footer-links ul, .footer-contacts ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li, .footer-contacts li {
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-gold);
        }
        .footer-contacts i {
            color: var(--color-accent-gold);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border-mint);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .payment-badge {
            background: rgba(255,215,0,0.08);
            border: 1px solid var(--color-border-gold);
            color: var(--color-text-gold);
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-copyright {
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }
        /* FAB */
        .floating-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: var(--border-radius-full);
            background: radial-gradient(circle at 30% 30%, #2C2C2C, #0A0A0A);
            border: 2px solid var(--color-accent-gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            font-size: 1.4rem;
            animation: fabBreath 3s infinite ease-in-out;
            transition: all var(--transition-base);
            opacity: 0.7;
        }
        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            animation: none;
            box-shadow: 0 0 30px rgba(255,215,0,0.6);
        }
        .floating-fab:active {
            transform: scale(0.95);
        }
        .floating-fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--color-accent-red);
            border: 2px solid #fff;
            border-radius: 50%;
            animation: blinkDot 1.5s infinite;
        }
        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* RESPONSIVE */
        @media screen and (max-width: 1024px) {
            .hero-content {
                gap: var(--spacing-md);
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
        }
        @media screen and (max-width: 768px) {
            :root {
                --nav-height: 64px;
                --spacing-xl: 3rem;
                --spacing-lg: 2rem;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                right: -100%;
                width: 260px;
                height: calc(100vh - var(--nav-height));
                background: rgba(7, 33, 20, 0.98);
                flex-direction: column;
                justify-content: flex-start;
                padding: 1.5rem;
                gap: 0.5rem;
                transition: right 0.3s ease;
                box-shadow: -4px 0 20px rgba(0,0,0,0.5);
                z-index: 999;
            }
            .nav-menu.open {
                right: 0;
            }
            .nav-menu li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-auth .btn-login,
            .nav-auth .btn-signup {
                display: inline-block;
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-content {
                grid-template-columns: 1fr;
            }
            .hero-visual {
                order: 2;
            }
            .hero-text {
                order: 1;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .scenario-card {
                grid-column: span 6;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media screen and (max-width: 520px) {
            .custom-container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-auth {
                gap: 5px;
            }
            .btn-login, .btn-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text p {
                font-size: 1rem;
            }
            .btn-primary-gold, .btn-outline-mint {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
            }
            .scenario-card {
                grid-column: span 12;
            }
            .section-heading h2 {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .floating-fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 0.75rem;
                bottom: 4.5rem;
            }
        }

/* roulang page: article */
:root {
            --color-bg-primary: #0A2E1C;
            --color-bg-secondary: #123E25;
            --color-bg-tertiary: #0B2A1A;
            --color-bg-card: rgba(18, 62, 37, 0.72);
            --color-accent-gold: #FFD700;
            --color-accent-gold-dark: #C5A059;
            --color-accent-red: #D32F2F;
            --color-accent-red-light: #F44336;
            --color-text-white: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: #9DB8AD;
            --color-text-gold: #F0E68C;
            --color-border-gold: rgba(255, 215, 0, 0.35);
            --color-border-mint: rgba(209, 242, 235, 0.15);
            --color-shadow-gold: rgba(255, 215, 0, 0.25);
            --color-shadow-dark: rgba(0, 0, 0, 0.45);
            --border-radius-sm: 6px;
            --border-radius-md: 12px;
            --border-radius-lg: 20px;
            --border-radius-xl: 28px;
            --border-radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --shadow-red: 0 4px 18px rgba(211, 47, 47, 0.3);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.75rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-white);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

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

        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
            width: 100%;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-mint);
            z-index: 1000;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(7, 33, 20, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
        }

        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--spacing-sm);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: radial-gradient(circle at 30% 30%, #FFE066, #FFD700 50%, #B8860B);
            border-radius: var(--border-radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #3A2A00;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex: 1;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-mint);
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }

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

        .nav-menu li a.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

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

        .btn-login {
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            background: transparent;
            color: var(--color-text-mint);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .btn-signup {
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            background: linear-gradient(135deg, #FFD700, #C5A059);
            color: #1A2E1C;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-gold);
            white-space: nowrap;
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.35);
            color: #1A2E1C;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--border-radius-sm);
            padding: 8px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger span {
            display: block;
            width: 100%;
            height: 2.5px;
            background: var(--color-accent-gold);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: rgba(255, 215, 0, 0.2);
        }

        /* Article Hero */
        .article-hero {
            padding-top: calc(var(--nav-height) + 2rem);
            padding-bottom: var(--spacing-lg);
            background: linear-gradient(180deg, #0B2A1A 0%, #0A2E1C 40%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 400px;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero-backdrop {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

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

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-md);
        }

        .article-breadcrumb a {
            color: var(--color-text-mint);
            transition: color var(--transition-fast);
        }

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

        .article-breadcrumb .separator {
            color: var(--color-accent-gold-dark);
        }

        .article-breadcrumb .current {
            color: var(--color-accent-gold);
            font-weight: 500;
        }

        .article-hero-content {
            max-width: 900px;
        }

        .article-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-accent-gold);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .article-hero-badge i {
            font-size: 0.7rem;
        }

        .article-hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
        }

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

        .article-hero-meta i {
            color: var(--color-accent-gold);
            font-size: 0.8rem;
        }

        .article-hero-excerpt {
            font-size: 1.15rem;
            color: var(--color-text-mint);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 800px;
        }

        /* Flash Sale Bar */
        .flash-sale-bar {
            background: linear-gradient(135deg, #D32F2F 0%, #8B0000 100%);
            border: 1px solid rgba(255, 215, 0, 0.5);
            border-radius: var(--border-radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
            box-shadow: var(--shadow-red);
            position: relative;
            overflow: hidden;
        }

        .flash-sale-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
            animation: flashShine 3s infinite;
        }

        @keyframes flashShine {
            0% { left: -100%; }
            50% { left: 100%; }
            100% { left: 100%; }
        }

        .flash-sale-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .flash-sale-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 215, 0, 0.2);
            border-radius: var(--border-radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .flash-sale-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFD700;
            margin: 0 0 2px;
            letter-spacing: 0.5px;
        }

        .flash-sale-text p {
            font-size: 0.85rem;
            color: #FFE0E0;
            margin: 0;
        }

        .flash-sale-timer {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timer-box {
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 215, 0, 0.4);
            border-radius: var(--border-radius-sm);
            padding: 6px 10px;
            text-align: center;
            min-width: 52px;
        }

        .timer-box .timer-value {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFD700;
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .timer-box .timer-label {
            font-size: 0.65rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .flash-sale-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-flash-grab {
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 700;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #1A2E1C;
            border-radius: var(--border-radius-sm);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition-base);
        }

        .btn-flash-grab:hover {
            transform: translateY(-2px) scale(1.03);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #1A2E1C;
        }

        /* Featured Product Card in Flash Sale */
        .flash-sale-product {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(0, 0, 0, 0.4);
            border-radius: var(--border-radius-sm);
            padding: 8px 14px;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .flash-sale-product img {
            width: 48px;
            height: 48px;
            border-radius: var(--border-radius-sm);
            object-fit: cover;
            border: 1px solid rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .flash-sale-product-info h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #FFE0E0;
            margin: 0;
        }

        .flash-sale-product-info span {
            font-size: 0.75rem;
            color: var(--color-accent-gold);
            font-weight: 600;
        }

        /* Article Body */
        .article-body-section {
            padding: var(--spacing-lg) 0;
            background: linear-gradient(180deg, #123E25 0%, #0A2E1C 100%);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        /* Pull Quote */
        .pull-quote {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 215, 0, 0.03));
            border-left: 4px solid var(--color-accent-gold);
            border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
            padding: var(--spacing-md) var(--spacing-lg);
            margin: var(--spacing-md) 0;
            position: relative;
        }

        .pull-quote::before {
            content: '\201C';
            position: absolute;
            top: -10px;
            left: 16px;
            font-family: var(--font-heading);
            font-size: 4rem;
            color: rgba(255, 215, 0, 0.25);
            line-height: 1;
            pointer-events: none;
        }

        .pull-quote p {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-text-gold);
            line-height: 1.6;
            margin: 0;
            padding-left: var(--spacing-sm);
            font-style: italic;
        }

        /* Article Content */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text-mint);
        }

        .article-content h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .article-content h3 {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--color-text-gold);
            margin: var(--spacing-md) 0 var(--spacing-xs);
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: var(--spacing-sm);
        }

        .article-content img {
            border-radius: var(--border-radius-md);
            margin: var(--spacing-sm) 0 var(--spacing-md);
            box-shadow: var(--shadow-md);
        }

        .article-content ul,
        .article-content ol {
            padding-left: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }

        .article-content li {
            margin-bottom: var(--spacing-xs);
        }

        .article-content blockquote {
            background: rgba(255, 215, 0, 0.06);
            border-left: 4px solid var(--color-accent-gold);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
            margin: var(--spacing-md) 0;
            color: var(--color-text-gold);
            font-style: italic;
        }

        .article-content a {
            color: var(--color-accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

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

        /* Article Not Found */
        .not-found-box {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .not-found-box i {
            font-size: 3rem;
            color: var(--color-accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .not-found-box h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            color: var(--color-text-gold);
            margin-bottom: var(--spacing-xs);
        }

        .not-found-box p {
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-md);
        }

        .not-found-box a {
            display: inline-block;
            padding: 10px 24px;
            background: linear-gradient(135deg, #FFD700, #C5A059);
            color: #1A2E1C;
            font-weight: 600;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
        }

        .not-found-box a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.35);
            color: #1A2E1C;
        }

        /* Related Section */
        .related-section {
            padding: var(--spacing-lg) 0;
            background: var(--color-bg-tertiary);
        }

        .section-title-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }

        .section-title-row h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title-row h2 i {
            color: var(--color-accent-red);
            font-size: 1.3rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-sm);
        }

        .related-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }

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

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover img {
            transform: scale(1.05);
        }

        .related-card-body {
            padding: var(--spacing-sm);
        }

        .related-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-gold);
            margin: 0 0 6px;
            line-height: 1.4;
            font-family: var(--font-heading);
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0 0 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .related-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .related-card:hover .related-card-link i {
            transform: translateX(4px);
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-lg) 0;
            background: linear-gradient(180deg, #0A2E1C 0%, #0B2A1A 100%);
        }

        .faq-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-sm);
        }

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

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

        .faq-item summary {
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-gold);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: all var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-accent-gold);
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

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

        .faq-item .faq-content {
            padding: 0 var(--spacing-md) var(--spacing-sm);
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-lg) 0;
            background: linear-gradient(135deg, #D32F2F 0%, #8B0000 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
        }

        .cta-section .custom-container {
            position: relative;
            z-index: 1;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #FFD700;
            margin-bottom: var(--spacing-xs);
            line-height: 1.3;
        }

        .cta-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
            max-width: 550px;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #1A2E1C;
            border-radius: var(--border-radius-sm);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.5);
            color: #1A2E1C;
        }

        .btn-cta-secondary {
            padding: 14px 24px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #FFD700;
            border: 2px solid rgba(255, 215, 0, 0.5);
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFD700;
            color: #FFD700;
        }

        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid var(--color-border-mint);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-links h4,
        .footer-contacts h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-gold);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
            text-transform: uppercase;
            font-size: 0.85rem;
        }

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

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

        .footer-links a {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }

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

        .footer-links a i {
            font-size: 0.6rem;
            color: var(--color-accent-gold);
        }

        .footer-contacts li {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contacts li i {
            color: var(--color-accent-gold);
            font-size: 0.85rem;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-mint);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .payment-badges {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 10px;
            background: rgba(255, 215, 0, 0.06);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-full);
            font-size: 0.75rem;
            color: var(--color-text-mint);
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }

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

        .payment-badge i {
            font-size: 0.7rem;
            color: var(--color-accent-gold);
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.5px;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #3A1A00, #1A0E00 60%, #0D0600);
            border: 2px solid #FFD700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            animation: fabFloat 3s ease-in-out infinite;
            cursor: pointer;
            text-decoration: none;
            opacity: 0.7;
        }

        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.45);
            animation-play-state: paused;
        }

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

        .fab-left i {
            font-size: 1.3rem;
            color: #FFD700;
            transition: transform 0.4s ease;
        }

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

        .fab-left .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #1A0E00;
            animation: blinkDot 1.5s infinite;
        }

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

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

        /* Mobile Menu */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .mobile-menu-overlay.active {
            display: block;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 300px;
            max-width: 85vw;
            bottom: 0;
            background: var(--color-bg-tertiary);
            border-left: 1px solid var(--color-border-gold);
            z-index: 1000;
            padding: var(--spacing-md);
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }

        .mobile-menu-panel.active {
            display: block;
            transform: translateX(0);
        }

        .mobile-menu-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-menu-panel li {
            margin-bottom: 4px;
        }

        .mobile-menu-panel li a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-mint);
            border-radius: var(--border-radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel li a:hover {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .mobile-menu-panel li a.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero-title {
                font-size: 2.2rem;
            }

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

            .flash-sale-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-auth .btn-login {
                display: none;
            }

            .article-hero-title {
                font-size: 1.8rem;
            }

            .article-hero-excerpt {
                font-size: 1rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }

            .cta-text h2 {
                font-size: 1.5rem;
            }

            .flash-sale-timer {
                flex-wrap: wrap;
            }

            .timer-box {
                min-width: 42px;
                padding: 4px 8px;
            }

            .timer-box .timer-value {
                font-size: 1rem;
            }

            .btn-flash-grab {
                padding: 8px 16px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }

            .flash-sale-cta {
                width: 100%;
                flex-direction: column;
                gap: 6px;
            }

            .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .custom-container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }

            .article-content h2 {
                font-size: 1.4rem;
            }

            .pull-quote p {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-lg: 2rem;
                --spacing-xl: 3rem;
                --nav-height: 60px;
            }

            .nav-logo {
                font-size: 1rem;
                gap: 6px;
            }

            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }

            .article-hero {
                padding-top: calc(var(--nav-height) + 1.5rem);
                padding-bottom: var(--spacing-md);
            }

            .article-hero-title {
                font-size: 1.4rem;
            }

            .article-hero-meta {
                font-size: 0.75rem;
                gap: 8px;
                flex-wrap: wrap;
            }

            .article-hero-excerpt {
                font-size: 0.9rem;
            }

            .article-breadcrumb {
                font-size: 0.75rem;
                margin-bottom: var(--spacing-sm);
            }

            .pull-quote {
                padding: var(--spacing-sm) var(--spacing-sm);
            }

            .pull-quote p {
                font-size: 0.95rem;
            }

            .article-content {
                font-size: 0.95rem;
            }

            .article-content h2 {
                font-size: 1.2rem;
            }

            .article-content h3 {
                font-size: 1.05rem;
            }

            .section-title-row h2 {
                font-size: 1.3rem;
            }

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

            .fab-left {
                width: 48px;
                height: 48px;
                left: 8px;
                bottom: 80px;
            }

            .fab-left i {
                font-size: 1.1rem;
            }

            .flash-sale-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .flash-sale-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .flash-sale-text h4 {
                font-size: 0.9rem;
            }

            .flash-sale-text p {
                font-size: 0.75rem;
            }

            .timer-box {
                min-width: 36px;
                padding: 3px 6px;
            }

            .timer-box .timer-value {
                font-size: 0.85rem;
            }

            .timer-box .timer-label {
                font-size: 0.55rem;
            }

            .flash-sale-product img {
                width: 36px;
                height: 36px;
            }

            .faq-item summary {
                font-size: 0.9rem;
                padding: var(--spacing-xs) var(--spacing-sm);
            }

            .faq-item .faq-content {
                font-size: 0.85rem;
                padding: 0 var(--spacing-sm) var(--spacing-xs);
            }

            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 10px 18px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --color-bg-primary: #0A2E1C;
            --color-bg-secondary: #123E25;
            --color-bg-tertiary: #0B2A1A;
            --color-bg-card: rgba(18, 62, 37, 0.72);
            --color-accent-gold: #FFD700;
            --color-accent-gold-dark: #C5A059;
            --color-accent-red: #D32F2F;
            --color-accent-red-light: #F44336;
            --color-text-white: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: #9DB8AD;
            --color-text-gold: #F0E68C;
            --color-border-gold: rgba(255, 215, 0, 0.35);
            --color-border-mint: rgba(209, 242, 235, 0.15);
            --color-shadow-gold: rgba(255, 215, 0, 0.25);
            --color-shadow-dark: rgba(0, 0, 0, 0.45);
            --border-radius-sm: 6px;
            --border-radius-md: 12px;
            --border-radius-lg: 20px;
            --border-radius-xl: 28px;
            --border-radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 22px rgba(0,0,0,0.35);
            --shadow-lg: 0 14px 40px rgba(0,0,0,0.5);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.2);
            --shadow-red: 0 4px 18px rgba(211,47,47,0.3);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.75rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }
        
        * {
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-white);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        
        a:hover {
            color: var(--color-accent-gold);
        }
        
        button, .button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }
        
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 3px;
        }
        
        /* ============ CONTAINER ============ */
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
            width: 100%;
        }
        
        /* ============ HEADER / NAVIGATION ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-mint);
            z-index: 1000;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        
        .site-header.scrolled {
            background: rgba(7, 33, 20, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.45);
        }
        
        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--spacing-sm);
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: radial-gradient(circle at 30% 30%, #FFE066, #FFD700 50%, #B8860B);
            border-radius: var(--border-radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #3A2A00;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }
        
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex: 1;
            justify-content: center;
            margin: 0;
            padding: 0;
        }
        
        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-mint);
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }
        
        .nav-menu li a:hover {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .nav-menu li a.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .btn-login {
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            background: transparent;
            color: var(--color-text-mint);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
        }
        
        .btn-login:hover {
            color: var(--color-accent-gold);
            border-color: var(--color-border-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .btn-signup {
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            background: linear-gradient(135deg, #FFD700, #F0C800);
            color: #3A2A00;
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
            box-shadow: var(--shadow-gold);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE44D, #FFD700);
            box-shadow: 0 6px 24px rgba(255,215,0,0.35);
            transform: translateY(-1px);
        }
        
        .nav-hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-sm);
            padding: 0;
        }
        
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-mint);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        
        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        
        /* ============ PAGE HERO ============ */
        .page-hero {
            padding-top: calc(var(--nav-height) + 4rem);
            padding-bottom: 3rem;
            background: linear-gradient(180deg, rgba(10,46,28,0.95) 0%, rgba(11,42,26,0.98) 60%, var(--color-bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(211,47,47,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .breadcrumb-nav {
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
        }
        
        .breadcrumb-nav ol {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        
        .breadcrumb-nav ol li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .breadcrumb-nav ol li a {
            color: var(--color-text-muted);
        }
        
        .breadcrumb-nav ol li a:hover {
            color: var(--color-accent-gold);
        }
        
        .breadcrumb-nav ol li.current {
            color: var(--color-accent-gold);
            font-weight: 500;
        }
        
        .page-hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        
        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin: 0 0 1rem 0;
            line-height: 1.25;
            letter-spacing: 0.2px;
        }
        
        .page-hero h1 .gold-text {
            color: var(--color-accent-gold);
        }
        
        .page-hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-mint);
            max-width: 640px;
            margin: 0 0 1.5rem 0;
            line-height: 1.7;
        }
        
        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 1.25rem;
        }
        
        .hero-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 1rem;
            font-weight: 600;
            background: linear-gradient(135deg, #FFD700, #F0C800);
            color: #3A2A00;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-gold);
            letter-spacing: 0.3px;
        }
        
        .hero-cta-primary:hover {
            background: linear-gradient(135deg, #FFE44D, #FFD700);
            box-shadow: 0 8px 28px rgba(255,215,0,0.4);
            transform: translateY(-2px);
            color: #3A2A00;
        }
        
        .hero-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 1rem;
            font-weight: 500;
            background: transparent;
            color: var(--color-text-mint);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-sm);
            letter-spacing: 0.3px;
        }
        
        .hero-cta-secondary:hover {
            border-color: var(--color-border-gold);
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .hero-trust-bar {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        
        .hero-trust-bar span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .hero-trust-bar i {
            color: var(--color-accent-gold);
            font-size: 0.75rem;
        }
        
        /* ============ SECTION COMMON ============ */
        .content-section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }
        
        .content-section.alt-bg {
            background: var(--color-bg-tertiary);
        }
        
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 0.75rem;
        }
        
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin: 0 0 1rem 0;
            line-height: 1.3;
        }
        
        .section-description {
            font-size: 1.05rem;
            color: var(--color-text-mint);
            max-width: 680px;
            margin: 0 0 2rem 0;
            line-height: 1.7;
        }
        
        /* ============ STEPS / TIMELINE ============ */
        .steps-timeline {
            position: relative;
            padding-left: 30px;
        }
        
        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-border-gold), var(--color-border-mint));
        }
        
        .step-item {
            position: relative;
            margin-bottom: 2rem;
            padding-left: 20px;
        }
        
        .step-item:last-child {
            margin-bottom: 0;
        }
        
        .step-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 6px;
            width: 22px;
            height: 22px;
            border-radius: var(--border-radius-full);
            background: var(--color-bg-secondary);
            border: 2px solid var(--color-accent-gold);
            z-index: 1;
        }
        
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--border-radius-full);
            background: radial-gradient(circle at 30% 30%, #FFE066, #FFD700 55%, #B8860B);
            color: #3A2A00;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.5rem;
            box-shadow: var(--shadow-gold);
        }
        
        .step-item h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin: 0 0 0.5rem 0;
        }
        
        .step-item p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        
        /* ============ FEATURE GRID ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        
        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-lg);
            padding: 1.75rem;
            transition: all var(--transition-base);
        }
        
        .feature-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--border-radius-md);
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--color-accent-gold);
            margin-bottom: 1rem;
        }
        
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin: 0 0 0.5rem 0;
        }
        
        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        
        /* ============ SCENARIO / USE CASES ============ */
        .scenario-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        
        .scenario-item {
            background: rgba(18, 62, 37, 0.45);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-md);
            padding: 1.5rem;
            transition: all var(--transition-base);
        }
        
        .scenario-item:hover {
            border-color: var(--color-border-gold);
            background: rgba(18, 62, 37, 0.7);
        }
        
        .scenario-item .scenario-icon {
            font-size: 1.5rem;
            color: var(--color-accent-gold);
            margin-bottom: 0.75rem;
        }
        
        .scenario-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin: 0 0 0.5rem 0;
        }
        
        .scenario-item p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        
        /* ============ IMAGE SHOWCASE ============ */
        .showcase-image-wrap {
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-gold);
            box-shadow: var(--shadow-lg);
            margin-bottom: 1.5rem;
        }
        
        .showcase-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        
        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        
        .faq-item.active {
            border-color: var(--color-border-gold);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 1.25rem 1.5rem;
            background: transparent;
            color: var(--color-text-white);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.2px;
        }
        
        .faq-question:hover {
            color: var(--color-accent-gold);
        }
        
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--border-radius-full);
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--color-accent-gold);
            transition: all var(--transition-base);
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
            background: rgba(255, 215, 0, 0.2);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        
        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem 1.5rem;
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        
        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, rgba(255,215,0,0.08) 0%, rgba(18,62,37,0.5) 50%, rgba(10,46,28,0.9) 100%);
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
        }
        
        .cta-box {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        
        .cta-box h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin: 0 0 1rem 0;
        }
        
        .cta-box p {
            font-size: 1.05rem;
            color: var(--color-text-mint);
            margin: 0 0 1.75rem 0;
            line-height: 1.7;
        }
        
        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            font-size: 1.1rem;
            font-weight: 700;
            background: linear-gradient(135deg, #FFD700, #F0C800);
            color: #3A2A00;
            border-radius: var(--border-radius-sm);
            box-shadow: var(--shadow-gold);
            letter-spacing: 0.5px;
        }
        
        .cta-button:hover {
            background: linear-gradient(135deg, #FFE44D, #FFD700);
            box-shadow: 0 10px 32px rgba(255,215,0,0.45);
            transform: translateY(-2px);
            color: #3A2A00;
        }
        
        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 54px;
            height: 54px;
            border-radius: var(--border-radius-full);
            background: radial-gradient(circle at 30% 30%, #2A2415, #1A1A1A 60%, #0D0D0D);
            border: 2px solid var(--color-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            opacity: 0.7;
            animation: fab-breathe 2.5s ease-in-out infinite;
            transition: all var(--transition-base);
        }
        
        .fab-support::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: var(--border-radius-full);
            border: 2px solid #0A2E1C;
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255,215,0,0.5);
        }
        
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-bg-tertiary);
            border-top: 1px solid var(--color-border-mint);
            padding: var(--spacing-xl) 0 2rem;
            margin-top: 0;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        
        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin: 0 0 0.75rem 0;
        }
        
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        
        .footer-links h4,
        .footer-contacts h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin: 0 0 1rem 0;
            letter-spacing: 0.3px;
        }
        
        .footer-links ul,
        .footer-contacts ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .footer-links ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
        }
        
        .footer-links ul li a:hover {
            color: var(--color-accent-gold);
        }
        
        .footer-links ul li a i {
            font-size: 0.65rem;
            color: var(--color-accent-gold);
        }
        
        .footer-contacts ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        
        .footer-contacts ul li i {
            color: var(--color-accent-gold);
            width: 16px;
            text-align: center;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--color-border-mint);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
        
        .payment-badges {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--color-text-mint);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border-mint);
            border-radius: var(--border-radius-full);
        }
        
        .payment-badge i {
            color: var(--color-accent-gold);
        }
        
        .footer-copyright {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            text-align: center;
        }
        
        .footer-copyright a {
            color: var(--color-accent-gold);
        }
        
        .footer-copyright a:hover {
            color: var(--color-text-gold);
        }
        
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
            }
            
            .scenario-list {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            
            .site-header .custom-container {
                gap: 8px;
            }
            
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(7, 33, 20, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-mint);
                transform: translateY(-120%);
                transition: transform var(--transition-base);
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            
            .nav-menu.open {
                transform: translateY(0);
            }
            
            .nav-menu li {
                width: 100%;
            }
            
            .nav-menu li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
            }
            
            .nav-hamburger {
                display: flex;
            }
            
            .nav-auth {
                gap: 6px;
            }
            
            .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            
            .page-hero {
                padding-top: calc(var(--nav-height) + 2.5rem);
                padding-bottom: 2rem;
            }
            
            .page-hero h1 {
                font-size: 1.8rem;
            }
            
            .page-hero-subtitle {
                font-size: 1rem;
            }
            
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .scenario-list {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .steps-timeline {
                padding-left: 20px;
            }
            
            .steps-timeline::before {
                left: 8px;
            }
            
            .step-item {
                padding-left: 15px;
                margin-bottom: 1.5rem;
            }
            
            .step-item::before {
                left: -18px;
                width: 18px;
                height: 18px;
                top: 5px;
            }
            
            .step-number {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .cta-box h2 {
                font-size: 1.6rem;
            }
            
            .cta-button {
                padding: 12px 26px;
                font-size: 1rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .footer-brand {
                grid-column: auto;
            }
            
            .payment-badges {
                gap: 6px;
            }
            
            .payment-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            
            .fab-support {
                width: 46px;
                height: 46px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }
        
        @media (max-width: 520px) {
            .custom-container {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }
            
            .nav-logo {
                font-size: 1.05rem;
                gap: 6px;
            }
            
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            
            .btn-login {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            
            .btn-signup {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
            
            .page-hero h1 {
                font-size: 1.5rem;
            }
            
            .hero-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            
            .hero-cta-primary,
            .hero-cta-secondary {
                justify-content: center;
                text-align: center;
                width: 100%;
            }
            
            .hero-trust-bar {
                gap: 10px;
                font-size: 0.78rem;
            }
            
            .section-title {
                font-size: 1.4rem;
            }
            
            .feature-card {
                padding: 1.25rem;
            }
        }