:root {
            --primary: #FFD700;
            --primary-variant: #B8860B;
            --secondary: #D40000;
            --accent: #FF4500;
            --bg-default: #0A0A0A;
            --bg-paper: #141414;
            --bg-elevated: #1E1E1E;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --border-default: #2C2C2C;
            --border-brand: #FFD700;
            --success: #28A745;
            --win: #F1C40F;
        }

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

        body {
            background-color: var(--bg-default);
            color: var(--text-primary);
            font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.5;
            padding-bottom: 70px;
        }

        h1, h2, h3 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        header .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        header .logo-area strong {
            font-size: 16px;
            font-weight: 400;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        header .auth-buttons {
            display: flex;
            gap: 10px;
        }

        header button {
            padding: 6px 16px;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 14px;
        }

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

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

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem;
        }

        .banner {
            width: 100%;
            aspect-ratio: 2/1;
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }

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

        .jackpot-container {
            background: linear-gradient(135deg, #1e1e1e, #000);
            border: 2px solid var(--primary);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }

        .jackpot-title {
            color: var(--primary);
            font-size: 1.25rem;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
            display: block;
        }

        .jackpot-amount {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--win);
            text-shadow: 0 0 10px rgba(241, 196, 15, 0.5);
            font-family: 'Roboto Mono', monospace;
        }

        .intro-card {
            background: var(--bg-paper);
            padding: 2rem;
            border-radius: 16px;
            margin-bottom: 2rem;
            border-left: 4px solid var(--primary);
        }

        .intro-card h1 {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .intro-card p {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 2rem;
        }

        .game-card {
            background: var(--bg-elevated);
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s;
        }

        .game-card:hover {
            transform: translateY(-5px);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            display: block;
        }

        .game-card h3 {
            font-size: 0.9rem;
            padding: 10px;
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 0;
        }

        .payment-methods {
            background: var(--bg-paper);
            padding: 1.5rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            text-align: center;
        }

        .payment-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

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

        .marquee-container {
            background: var(--bg-elevated);
            padding: 15px;
            border-radius: 12px;
            margin: 2rem 0;
            overflow: hidden;
            border: 1px solid var(--border-default);
        }

        .marquee-content {
            display: flex;
            flex-direction: column;
            animation: marqueeScroll 30s linear infinite;
        }

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

        .lottery-record {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            font-size: 0.85rem;
        }

        .lottery-record span:nth-child(3) {
            color: var(--win);
            font-weight: bold;
        }

        .tutorials, .faq-section {
            margin-bottom: 2rem;
        }

        .tutorial-item, .faq-item {
            background: var(--bg-paper);
            padding: 1.25rem;
            border-radius: 12px;
            margin-bottom: 1rem;
        }

        .tutorial-item h3, .faq-item h3 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
        }

        .providers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-bottom: 2rem;
        }

        .provider-box {
            background: var(--bg-elevated);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--primary-variant);
            border: 1px solid var(--border-default);
        }

        .comments-container {
            margin-bottom: 2rem;
        }

        .comment-card {
            background: var(--bg-paper);
            padding: 1.25rem;
            border-radius: 12px;
            margin-bottom: 1rem;
            border: 1px solid var(--border-default);
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .comment-header i {
            font-size: 2rem;
            color: var(--text-secondary);
        }

        .comment-meta {
            flex-grow: 1;
        }

        .stars {
            color: #FFC107;
            font-size: 0.8rem;
        }

        .security-section {
            background: #1a1d24;
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 2rem;
        }

        .security-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 1rem;
            font-size: 2rem;
            color: var(--success);
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--bg-paper);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1001;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.7rem;
            color: var(--text-secondary);
        }

        .nav-item i {
            font-size: 1.25rem;
            margin-bottom: 4px;
        }

        footer {
            background-color: var(--bg-paper);
            padding: 2rem 1rem 5rem;
            border-top: 2px solid var(--border-default);
            text-align: center;
        }

        footer .footer-contact {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 2rem;
        }

        footer .contact-link {
            background: var(--bg-elevated);
            padding: 10px;
            border-radius: 8px;
            font-size: 0.9rem;
        }

        footer .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 2rem;
            text-align: left;
        }

        footer .footer-links a {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        footer .copyright {
            font-size: 0.8rem;
            color: var(--text-hint);
            border-top: 1px solid var(--border-default);
            padding-top: 1rem;
        }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .payment-methods { grid-template-columns: repeat(8, 1fr); }
            footer .footer-links { grid-template-columns: repeat(5, 1fr); }
        }