:root {
            --primary: #FFD700;
            --primary-hover: #FFC400;
            --secondary: #B8860B;
            --accent: #E5E7EB;
            --bg-main: #0A0A0B;
            --bg-surface: #161618;
            --bg-variant: #222226;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-muted: #71717A;
            --border-subtle: #27272A;
            --border-active: #FFD700;
            --font-heading: 'Montserrat', 'Inter', system-ui, sans-serif;
            --font-body: 'Inter', 'Roboto', system-ui, sans-serif;
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: var(--font-body);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--bg-surface);
            padding: 0.75rem 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-subtle);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            color: var(--text-primary);
        }

        .header-logo img {
            width: 25px;
            height: 25px;
            object-fit: contain;
        }

        .header-logo strong {
            font-size: 16px;
            font-weight: 400;
            font-family: var(--font-heading);
        }

        .header-auth {
            display: flex;
            gap: 0.5rem;
        }

        .btn {
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 0.875rem;
            transition: all 0.2s;
        }

        .btn-login {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-register {
            background-color: var(--primary);
            color: #000;
        }

        main {
            padding-bottom: 80px;
        }

        .banner {
            width: 100%;
            display: block;
            aspect-ratio: 2 / 1;
            cursor: pointer;
        }

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

        .jackpot-section {
            background: linear-gradient(135deg, var(--secondary), var(--bg-surface));
            margin: 1rem;
            padding: 1.5rem;
            border-radius: 1rem;
            text-align: center;
            border: 1px solid var(--primary);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.2);
        }

        .jackpot-label {
            color: var(--text-primary);
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
        }

        .jackpot-amount {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }

        .intro-card {
            background-color: var(--bg-surface);
            margin: 1rem;
            padding: 1.5rem;
            border-radius: 1rem;
            border: 1px solid var(--border-subtle);
        }

        .intro-card h1 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

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

        .section-title {
            padding: 1rem;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            padding: 0 1rem;
        }

        .game-card {
            background-color: var(--bg-surface);
            border-radius: 0.75rem;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-subtle);
            transition: transform 0.2s;
        }

        .game-card:active {
            transform: scale(0.95);
        }

        .game-image-wrapper {
            width: 100%;
            aspect-ratio: 1 / 1;
            background-color: var(--bg-variant);
        }

        .game-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .game-card h3 {
            padding: 0.75rem;
            font-size: 0.875rem;
            color: var(--text-primary);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            padding: 1rem;
            background-color: var(--bg-surface);
            margin: 1rem;
            border-radius: 1rem;
        }

        .payment-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
        }

        .payment-item i {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .payment-item span {
            font-size: 0.7rem;
            text-align: center;
        }

        .guides-section {
            padding: 1rem;
        }

        .guide-card {
            background-color: var(--bg-variant);
            padding: 1rem;
            border-radius: 0.75rem;
            margin-bottom: 1rem;
        }

        .guide-card h3 {
            color: var(--primary);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        .guide-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .lottery-marquee {
            background-color: var(--bg-surface);
            margin: 1rem;
            padding: 1rem;
            border-radius: 0.75rem;
            overflow: hidden;
            position: relative;
            height: 200px;
        }

        .marquee-content {
            animation: scroll-up 20s linear infinite;
        }

        @keyframes scroll-up {
            0% { transform: translateY(0); }
            100% { transform: translateY(-100%); }
        }

        .win-record {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.8rem;
        }

        .win-user { color: var(--primary); }
        .win-amount { color: #10B981; font-weight: bold; }

        .providers-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.5rem;
            padding: 1rem;
        }

        .provider-pill {
            background-color: var(--bg-surface);
            border: 1px solid var(--secondary);
            padding: 0.75rem;
            text-align: center;
            border-radius: 0.5rem;
            font-weight: 600;
            color: var(--accent);
        }

        .reviews-section {
            padding: 1rem;
        }

        .review-card {
            background-color: var(--bg-surface);
            padding: 1.25rem;
            border-radius: 1rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary);
        }

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

        .review-header i {
            font-size: 1.5rem;
            color: var(--text-muted);
        }

        .stars {
            color: var(--primary);
            font-size: 0.8rem;
        }

        .review-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        .faq-section {
            padding: 1rem;
        }

        .faq-item {
            background-color: var(--bg-surface);
            margin-bottom: 0.75rem;
            border-radius: 0.5rem;
            overflow: hidden;
        }

        .faq-question {
            padding: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-answer {
            padding: 1rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .security-section {
            margin: 1rem;
            padding: 1.5rem;
            background-color: var(--bg-variant);
            border-radius: 1rem;
            text-align: center;
        }

        .security-icons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }

        .security-icons i {
            font-size: 2rem;
            color: var(--primary);
        }

        .navigator {
            position: fixed;
            bottom: 0;
            width: 100%;
            background-color: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 0.75rem 0;
            border-top: 1px solid var(--border-subtle);
            z-index: 1000;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 0.75rem;
        }

        .nav-item i {
            font-size: 1.25rem;
        }

        footer {
            background-color: var(--bg-surface);
            padding: 2rem 1rem;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-social {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .footer-social a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.875rem;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.8rem;
        }

        .footer-copy {
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-subtle);
            padding-top: 1rem;
        }