:root {
            --primary: #F5C518;
            --secondary: #FFD700;
            --accent: #B28910;
            --glow: rgba(245, 197, 24, 0.5);
            --bg-main: #0B0E11;
            --bg-secondary: #1E2329;
            --bg-tertiary: #2B3139;
            --bg-surface: #181A20;
            --bg-gradient: linear-gradient(180deg, #1E2329 0%, #0B0E11 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #EAECEF;
            --text-tertiary: #707A8A;
            --text-inverse: #0B0E11;
            --text-brand: #F5C518;
            --success: #0ECB81;
            --error: #F6465D;
            --warning: #F0B90B;
            --info: #3772FF;
            --border-default: #474D57;
            --border-subtle: #2B3139;
            --border-focus: #F5C518;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            overflow-x: hidden;
        }

        header {
            background-color: var(--bg-surface);
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-left img {
            width: 25px;
            height: 25px;
            object-fit: cover;
        }

        .header-left strong {
            font-size: 16px;
            font-weight: normal;
            color: var(--text-primary);
        }

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

        .btn-auth {
            padding: 8px 16px;
            border-radius: 6px;
            font-family: var(--font-main);
            font-size: 14px;
            cursor: pointer;
            transition: 0.3s;
            border: none;
            font-weight: 500;
        }

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

        .btn-register {
            background: var(--primary);
            color: var(--text-inverse);
            box-shadow: 0 0 10px var(--glow);
        }

        .btn-auth:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }

        main {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px 15px 100px 15px;
        }

        .hero-banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            border-radius: 15px;
            overflow: hidden;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            margin-bottom: 20px;
        }

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

        .jackpot-section {
            background: var(--bg-gradient);
            padding: 25px;
            text-align: center;
            border-radius: 15px;
            border: 2px solid var(--primary);
            margin-bottom: 20px;
            position: relative;
        }

        .jackpot-title {
            color: var(--text-secondary);
            font-size: 18px;
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .jackpot-amount {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 0 0 15px var(--glow);
            font-family: system-ui, sans-serif;
        }

        .intro-card {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin-bottom: 30px;
        }

        .intro-card h1 {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 15px;
            line-height: 1.2;
        }

        .intro-card p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }

        .section-title {
            font-size: 24px;
            color: var(--text-primary);
            margin: 30px 0 20px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: "";
            width: 4px;
            height: 24px;
            background: var(--primary);
            display: inline-block;
            border-radius: 2px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .game-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            text-decoration: none;
            overflow: hidden;
            transition: 0.3s;
            border: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            background: var(--bg-tertiary);
        }

        .game-card h3 {
            padding: 12px;
            font-size: 16px;
            color: var(--text-primary);
            text-align: center;
            font-weight: 500;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .payment-item {
            background: var(--bg-surface);
            padding: 15px 5px;
            text-align: center;
            border-radius: 10px;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .payment-item i {
            font-size: 20px;
            color: var(--primary);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 30px;
        }

        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
        }

        .guide-item h3 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 18px;
        }

        .guide-item p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .winner-list {
            background: var(--bg-surface);
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 30px;
            border: 1px solid var(--border-subtle);
        }

        .winner-header {
            background: var(--bg-tertiary);
            padding: 15px;
            text-align: center;
            font-weight: 600;
            color: var(--primary);
        }

        .winner-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 13px;
            text-align: center;
            align-items: center;
        }

        .winner-row:last-child {
            border-bottom: none;
        }

        .winner-row span:nth-child(3) {
            color: var(--success);
            font-weight: 600;
        }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .provider-box {
            background: var(--bg-secondary);
            padding: 20px;
            text-align: center;
            border-radius: 10px;
            font-weight: 600;
            color: var(--primary);
            border: 1px dashed var(--border-default);
            font-size: 16px;
        }

        .review-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 30px;
        }

        .review-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-subtle);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .review-user i {
            font-size: 30px;
            color: var(--border-default);
        }

        .review-user span {
            font-weight: 600;
            color: var(--text-primary);
        }

        .review-stars {
            color: var(--warning);
            font-size: 12px;
            margin-bottom: 10px;
        }

        .review-text {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .review-date {
            font-size: 12px;
            color: var(--text-tertiary);
            text-align: right;
        }

        .faq-section {
            margin-bottom: 30px;
        }

        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .faq-question {
            padding: 15px;
            background: var(--bg-tertiary);
            cursor: pointer;
            font-weight: 500;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 15px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            display: none;
            border-top: 1px solid var(--border-subtle);
        }

        .security-section {
            background: var(--bg-surface);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin-bottom: 30px;
        }

        .security-icons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
        }

        .security-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .security-badge i {
            font-size: 24px;
            color: var(--success);
        }

        .security-text {
            font-size: 14px;
            color: var(--text-tertiary);
            margin-bottom: 15px;
        }

        .age-notice {
            color: var(--error);
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 15px;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--bg-surface);
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            border-top: 1px solid var(--border-subtle);
            z-index: 2000;
            padding: 10px 0;
            box-shadow: 0 -4px 10px rgba(0,0,0,0.3);
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--text-tertiary);
            font-size: 11px;
            gap: 4px;
        }

        .nav-item i {
            font-size: 20px;
        }

        footer {
            background: var(--bg-surface);
            padding: 40px 20px 120px 20px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
        }

        .footer-contact {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .footer-contact a {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            text-align: left;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-links a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 13px;
            transition: 0.3s;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .copyright {
            color: var(--text-tertiary);
            font-size: 12px;
            margin-top: 20px;
            line-height: 1.6;
        }

        @media (max-width: 600px) {
            .payment-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .winner-row {
                font-size: 11px;
                padding: 10px 5px;
            }
        }