:root {
            --brand-primary: #D4AF37;
            --brand-primary-light: #F1C40F;
            --brand-primary-dark: #996515;
            --brand-secondary: #E63946;
            --brand-accent: #FFD700;
            --bg-default: #0B0C10;
            --bg-paper: #1F2833;
            --bg-subtle: #121212;
            --bg-elevated: #242424;
            --text-primary: #FFFFFF;
            --text-secondary: #C5C6C7;
            --text-muted: #8892B0;
            --text-inverse: #0B0C10;
            --text-brand: #D4AF37;
            --semantic-success: #2ECC71;
            --semantic-warning: #F39C12;
            --semantic-error: #E74C3C;
            --semantic-info: #3498DB;
            --border-default: #333333;
            --border-light: #444444;
            --border-brand: #D4AF37;
            --border-focused: #66FCF1;
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-heading: 'Montserrat', 'Inter', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-default);
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            padding-bottom: 70px;
        }

        header {
            background: var(--bg-paper);
            border-bottom: 2px solid var(--border-brand);
            padding: 10px 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        header .logo-container {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        header .logo-container img {
            width: 25px;
            height: 25px;
            object-fit: contain;
        }
        header .logo-container strong {
            font-size: 16px;
            font-weight: 400;
            color: var(--brand-primary);
            font-family: var(--font-heading);
        }
        header .header-buttons {
            display: flex;
            gap: 8px;
        }
        header button {
            padding: 6px 14px;
            border-radius: 4px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            font-size: 14px;
        }
        header .btn-login { background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary); }
        header .btn-register { background: var(--brand-primary); color: var(--text-inverse); }

        main { max-width: 1000px; margin: 0 auto; }

        .banner-container {
            width: 100%;
            cursor: pointer;
            overflow: hidden;
        }
        .banner-container img {
            width: 100%;
            aspect-ratio: 2/1;
            display: block;
            object-fit: cover;
        }

        .jackpot-section {
            background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-default) 100%);
            padding: 20px;
            text-align: center;
            margin: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-brand);
            box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
        }
        .jackpot-label { color: var(--brand-accent); font-weight: 700; margin-bottom: 5px; font-size: 1.1rem; }
        .jackpot-amount {
            font-family: var(--font-heading);
            font-size: 2.25rem;
            color: var(--brand-primary-light);
            font-weight: 900;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }

        .intro-section { padding: 20px; text-align: center; }
        .intro-section h1 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            color: var(--brand-primary);
            margin-bottom: 12px;
        }
        .intro-section p { color: var(--text-secondary); font-size: 0.95rem; }

        .game-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 15px;
        }
        .game-card {
            background: var(--bg-paper);
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
            text-decoration: none;
        }
        .game-card:active { transform: scale(0.97); }
        .game-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            display: block;
        }
        .game-card h3 {
            padding: 10px;
            font-size: 0.9rem;
            color: var(--text-primary);
            text-align: center;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .section-title {
            padding: 0 15px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 20px;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 15px;
        }
        .payment-item {
            background: var(--bg-elevated);
            padding: 12px 5px;
            border-radius: 8px;
            text-align: center;
            font-size: 0.75rem;
        }
        .payment-item i { font-size: 1.5rem; margin-bottom: 8px; color: var(--text-brand); display: block; }

        .tutorials { padding: 15px; }
        .tutorial-item {
            background: var(--bg-paper);
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 12px;
        }
        .tutorial-item h3 { color: var(--brand-primary); margin-bottom: 8px; font-size: 1.1rem; }
        .tutorial-item p { font-size: 0.875rem; color: var(--text-secondary); }

        .marquee-box {
            background: var(--bg-subtle);
            margin: 15px;
            padding: 10px;
            border-radius: 8px;
            overflow: hidden;
            border-left: 4px solid var(--brand-primary);
        }
        .marquee-content {
            display: flex;
            flex-direction: column;
            gap: 8px;
            animation: marqueeAnim 30s linear infinite;
        }
        @keyframes marqueeAnim {
            0% { transform: translateY(0); }
            100% { transform: translateY(-50%); }
        }
        .lottery-record {
            font-size: 0.85rem;
            display: flex;
            justify-content: space-between;
            color: var(--text-secondary);
        }
        .lottery-record span:nth-child(3) { color: var(--semantic-success); font-weight: 600; }

        .providers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            padding: 15px;
        }
        .provider-tag {
            background: linear-gradient(90deg, var(--bg-elevated), var(--bg-paper));
            padding: 15px;
            border-radius: 6px;
            text-align: center;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 2px solid var(--brand-primary-dark);
        }

        .comments { padding: 15px; }
        .comment-card {
            background: var(--bg-paper);
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 15px;
            border: 1px solid var(--border-light);
        }
        .comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .comment-header i { font-size: 1.5rem; color: var(--text-muted); }
        .comment-header .user-info b { font-size: 0.9rem; color: var(--brand-primary); }
        .stars { color: var(--brand-accent); font-size: 0.8rem; }
        .comment-content { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 5px; }
        .comment-date { font-size: 0.75rem; color: var(--text-muted); }

        .faq { padding: 15px; }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid var(--border-default); padding-bottom: 15px; }
        .faq-item h3 { font-size: 1rem; color: var(--brand-primary-light); margin-bottom: 8px; }
        .faq-item p { font-size: 0.875rem; color: var(--text-secondary); }

        .security-section {
            margin: 20px 15px;
            padding: 20px;
            background: var(--bg-elevated);
            border-radius: 12px;
            text-align: center;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; font-size: 2rem; margin-bottom: 15px; color: var(--brand-primary); }
        .security-section p { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
        .security-section a { color: var(--brand-primary); text-decoration: none; font-weight: 600; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-paper);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-brand);
            z-index: 1001;
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.75rem;
            gap: 4px;
        }
        .nav-item i { font-size: 1.25rem; }
        .nav-item:active { color: var(--brand-primary); }

        footer {
            background: var(--bg-paper);
            padding: 30px 15px 100px;
            border-top: 1px solid var(--border-default);
        }
        footer .social-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 25px;
            justify-content: center;
        }
        footer .social-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; border: 1px solid var(--border-light); padding: 5px 12px; border-radius: 20px; }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
            margin-bottom: 25px;
        }
        footer .footer-grid a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.85rem;
            margin-bottom: 8px;
        }
        footer .copyright {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
        }