:root {
            --primary: #FFD700;
            --primary-variant: #B8860B;
            --secondary: #E5E5E5;
            --accent: #FF4500;
            --main-bg: #0D1117;
            --surface-card: #161B22;
            --surface-elevated: #21262D;
            --text-primary: #FFFFFF;
            --text-secondary: #8B949E;
            --border-default: #30363D;
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-heading: 'Montserrat', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--main-bg);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            overflow-x: hidden;
            padding-bottom: 70px;
        }
        header {
            background: var(--surface-card);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-default);
        }
        header .brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--primary); }
        header .brand img { width: 25px; height: 25px; object-fit: contain; }
        header .brand strong { font-size: 16px; font-weight: 400; color: var(--primary); }
        header .auth-btns { display: flex; gap: 10px; }
        header button {
            padding: 6px 15px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: none;
        }
        header .login-btn { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        header .reg-btn { background: var(--primary); color: var(--main-bg); }
        main { max-width: 800px; margin: 0 auto; padding: 10px; }
        .banner { width: 100%; aspect-ratio: 2/1; border-radius: 12px; overflow: hidden; cursor: pointer; margin-bottom: 15px; }
        .banner img { width: 100%; height: 100%; object-fit: cover; }
        .jackpot-box {
            background: linear-gradient(135deg, #161B22 0%, #21262D 100%);
            border: 2px solid var(--primary);
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            margin-bottom: 15px;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
        }
        .jackpot-label { color: var(--primary); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
        .jackpot-amount { font-family: 'Roboto Mono', monospace; font-size: 32px; font-weight: 900; color: var(--primary); text-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
        .intro-card { background: var(--surface-card); border-radius: 12px; padding: 20px; border: 1px solid var(--border-default); margin-bottom: 15px; }
        .intro-card h1 { font-family: var(--font-heading); font-size: 20px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { font-size: 14px; color: var(--text-secondary); }
        h2 { font-size: 18px; color: var(--primary); margin: 20px 0 10px; padding-left: 5px; border-left: 4px solid var(--primary); }
        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
        .game-card { background: var(--surface-card); border-radius: 12px; overflow: hidden; text-decoration: none; border: 1px solid var(--border-default); transition: transform 0.2s; }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { padding: 8px; font-size: 14px; color: var(--text-primary); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .payment-section { background: var(--surface-card); border-radius: 12px; padding: 15px; margin-bottom: 15px; border: 1px solid var(--border-default); }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
        .payment-item { display: flex; flex-direction: column; align-items: center; gap: 5px; font-size: 10px; color: var(--text-secondary); }
        .payment-item i { font-size: 20px; color: var(--primary); }
        .guide-section { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 20px; }
        .guide-card { background: var(--surface-card); padding: 15px; border-radius: 12px; border-left: 4px solid var(--primary-variant); }
        .guide-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
        .guide-card p { font-size: 14px; color: var(--text-secondary); text-align: justify; }
        .lottery-box { background: var(--surface-elevated); border-radius: 12px; padding: 15px; margin-bottom: 15px; }
        .lottery-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border-default); font-size: 13px; }
        .lottery-item:last-child { border-bottom: none; }
        .win-user { color: var(--primary); font-weight: 600; }
        .win-amt { color: #238636; font-weight: bold; }
        .provider-wall { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
        .provider-item { flex: 1 1 calc(50% - 8px); background: var(--surface-card); padding: 10px; text-align: center; border-radius: 8px; font-weight: 600; color: var(--primary); border: 1px solid var(--primary-variant); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-bottom: 20px; }
        .review-card { background: var(--surface-card); padding: 15px; border-radius: 12px; border: 1px solid var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--text-secondary); }
        .review-user { font-weight: 600; font-size: 14px; }
        .review-stars { color: #D29922; font-size: 12px; }
        .faq-section { background: var(--surface-card); border-radius: 12px; padding: 10px; margin-bottom: 20px; }
        details { padding: 12px; border-bottom: 1px solid var(--border-default); }
        summary { font-weight: 600; color: var(--primary); cursor: pointer; font-size: 14px; }
        details p { padding-top: 8px; font-size: 14px; color: var(--text-secondary); text-align: justify; }
        .security-section { background: var(--surface-elevated); padding: 20px; border-radius: 12px; text-align: center; border: 1px dashed var(--border-default); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--primary); }
        .security-text { font-size: 12px; color: var(--text-secondary); margin-bottom: 10px; }
        .security-links a { color: var(--primary); text-decoration: none; font-size: 12px; margin: 0 5px; }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 65px;
            background: rgba(22, 27, 34, 0.95);
            backdrop-filter: blur(10px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 1px solid var(--border-default);
            z-index: 2000;
        }
        .nav-item { text-decoration: none; display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text-secondary); }
        .nav-item i { font-size: 18px; }
        .nav-item span { font-size: 11px; font-weight: 500; }
        footer {
            background: var(--surface-card);
            padding: 30px 15px 100px;
            border-top: 1px solid var(--border-default);
        }
        footer .contact-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; }
        footer .contact-row a { color: var(--primary); text-decoration: none; font-size: 14px; }
        footer .link-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 25px; }
        footer .link-cols a { color: var(--text-secondary); text-decoration: none; font-size: 13px; text-align: center; }
        footer .copy { text-align: center; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-default); padding-top: 20px; }