:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C5A021;
            --brand-accent: #FF4D4D;
            --gold-gradient: linear-gradient(180deg, #FFD700 0%, #B8860B 100%);
            --bg-default: #0A0B0D;
            --bg-surface: #16181D;
            --bg-overlay: #1E2026;
            --bg-elevated: #2B2F36;
            --text-primary: #FFFFFF;
            --text-secondary: #B7BDC6;
            --text-muted: #707A8A;
            --text-contrast: #000000;
            --text-link: #F0B90B;
            --success: #0ECB81;
            --error: #F6465D;
            --warning: #F0B90B;
            --win: #FFD700;
            --border-subtle: #2B3139;
            --border-default: #363C44;
            --font-main: 'Montserrat', 'Roboto', sans-serif;
            --font-secondary: 'Be Vietnam Pro', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-default);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            padding-bottom: 70px;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }

        header {
            background-color: var(--bg-surface);
            padding: 12px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-subtle);
        }
        header .logo-box { display: flex; align-items: center; gap: 8px; }
        header .logo-box img { width: 25px; height: 25px; object-fit: contain; }
        header .logo-box strong { font-size: 16px; font-weight: 400; text-transform: uppercase; letter-spacing: 1px; }
        header .auth-btns { display: flex; gap: 10px; }
        header .btn {
            padding: 8px 16px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
        }
        header .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-default); }
        header .btn-reg { background: var(--gold-gradient); color: var(--text-contrast); }

        main { max-width: 600px; margin: 0 auto; padding: 0; }

        .banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; }
        .banner img { width: 100%; height: 100%; object-fit: cover; }

        .jackpot-box {
            background: var(--bg-surface);
            margin: 15px;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--brand-primary);
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
        }
        .jackpot-title { color: var(--brand-primary); font-weight: 800; font-size: 14px; text-transform: uppercase; margin-bottom: 10px; }
        .jackpot-amount { font-size: 32px; font-weight: 800; color: var(--brand-primary); font-family: 'Courier New', monospace; }

        .intro-section { padding: 20px; text-align: center; }
        .intro-section h1 { font-size: 24px; color: var(--brand-primary); margin-bottom: 12px; line-height: 1.2; }
        .intro-section p { font-size: 14px; color: var(--text-secondary); text-align: justify; }

        .section-title { padding: 15px 15px 5px; font-size: 18px; font-weight: 700; color: var(--brand-primary); display: flex; align-items: center; gap: 10px; }
        .section-title::before { content: ""; width: 4px; height: 18px; background: var(--brand-primary); border-radius: 2px; }

        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 15px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-subtle); transition: transform 0.2s; }
        .game-card:active { transform: scale(0.98); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 8px; font-size: 14px; font-weight: 500; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 15px; }
        .payment-item { background: var(--bg-surface); padding: 10px; border-radius: 8px; text-align: center; border: 1px solid var(--border-subtle); }
        .payment-item i { font-size: 20px; color: var(--brand-primary); margin-bottom: 5px; display: block; }
        .payment-item span { font-size: 10px; color: var(--text-muted); display: block; white-space: nowrap; }

        .guides-container { padding: 15px; }
        .guide-item { background: var(--bg-overlay); padding: 15px; border-radius: 12px; margin-bottom: 12px; border-left: 4px solid var(--brand-primary); }
        .guide-item h2 { font-size: 16px; margin-bottom: 8px; color: var(--brand-primary); }
        .guide-item p { font-size: 13px; color: var(--text-secondary); }

        .lottery-box { background: var(--bg-surface); margin: 15px; border-radius: 12px; overflow: hidden; }
        .lottery-header { padding: 10px; background: var(--bg-elevated); font-weight: 600; font-size: 14px; color: var(--brand-primary); }
        .lottery-list { height: 200px; overflow: hidden; position: relative; }
        .lottery-track { animation: marquee 30s linear infinite; }
        .lottery-item { padding: 10px 15px; border-bottom: 1px solid var(--border-subtle); display: flex; justify-content: space-between; font-size: 12px; }
        .lottery-item .user { color: var(--text-primary); }
        .lottery-item .amount { color: var(--success); font-weight: 700; }

        @keyframes marquee {
            0% { transform: translateY(0); }
            100% { transform: translateY(-50%); }
        }

        .providers-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 15px; }
        .provider-tag { padding: 12px; border-radius: 6px; text-align: center; font-weight: 700; font-size: 14px; background: var(--bg-elevated); color: var(--brand-primary); border: 1px solid var(--border-subtle); }

        .comment-grid { padding: 15px; }
        .comment-card { background: var(--bg-surface); padding: 15px; border-radius: 12px; margin-bottom: 12px; border: 1px solid var(--border-subtle); }
        .comment-user { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
        .comment-user i { font-size: 24px; color: var(--text-muted); }
        .comment-stars { color: var(--win); font-size: 12px; }
        .comment-content { font-size: 13px; color: var(--text-secondary); font-style: italic; }
        .comment-date { font-size: 11px; color: var(--text-muted); margin-top: 8px; display: block; }

        .faq-container { padding: 15px; }
        .faq-item { background: var(--bg-surface); border-radius: 8px; margin-bottom: 10px; overflow: hidden; border: 1px solid var(--border-subtle); }
        .faq-question { padding: 15px; font-weight: 600; font-size: 14px; cursor: pointer; color: var(--brand-primary); display: flex; justify-content: space-between; }
        .faq-answer { padding: 0 15px 15px; font-size: 13px; color: var(--text-secondary); }

        .security-section { padding: 20px; background: var(--bg-overlay); margin: 15px; border-radius: 12px; text-align: center; }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--brand-primary); }
        .security-text { font-size: 12px; color: var(--text-muted); }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-overlay);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-subtle);
            z-index: 1000;
        }
        .nav-item { text-align: center; color: var(--text-muted); font-size: 10px; flex: 1; }
        .nav-item i { font-size: 20px; margin-bottom: 4px; display: block; }
        .nav-item.active { color: var(--brand-primary); }

        footer {
            background: var(--bg-surface);
            padding: 30px 15px 80px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
        }
        footer .contact-row { display: flex; justify-content: center; gap: 15px; margin-bottom: 25px; flex-wrap: wrap; }
        footer .contact-row a { font-size: 13px; color: var(--brand-primary); border: 1px solid var(--brand-primary); padding: 5px 12px; border-radius: 20px; }
        footer .link-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 25px; text-align: left; }
        footer .link-cols a { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; }
        footer .copyright { font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-subtle); padding-top: 20px; }