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

body {
    font-family: 'Roboto', sans-serif;
    background: #0a0e27;
    color: #e0e0e0;
    line-height: 1.6;
}

/* Layout Structure */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #1a1f3a 0%, #0f1425 100%);
    border-right: 1px solid #2a2f4a;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid #2a2f4a;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 900;
    color: #00d4ff;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.close-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.sidebar-nav {
    flex: 1;
    padding: 2rem 0;
}

.nav-link {
    display: block;
    padding: 1rem 1.5rem;
    color: #b0b5c9;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    border-left-color: #00d4ff;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid #2a2f4a;
    text-align: center;
}

.footer-note {
    font-size: 0.85rem;
    color: #6b7088;
    margin: 0.3rem 0;
}

/* Main Wrapper */
.main-wrapper {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Bar */
.top-bar {
    background: #1a1f3a;
    padding: 1rem 2rem;
    border-bottom: 1px solid #2a2f4a;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #00d4ff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.top-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: #00d4ff;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Content */
.content {
    flex: 1;
    padding: 2rem;
}

/* Age Gate */
.age-gate {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.age-gate.hidden {
    display: none;
}

.age-gate-content {
    background: linear-gradient(135deg, #1a1f3a 0%, #0f1425 100%);
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    max-width: 500px;
    margin: 20px;
    border: 2px solid #00d4ff;
}

.age-gate-content h1 {
    color: #00d4ff;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.age-gate-content p {
    color: #b0b5c9;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.age-note {
    font-size: 0.95rem !important;
    color: #6b7088 !important;
}

.age-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.age-actions button {
    flex: 1;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-confirm {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #0a0e27;
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-deny {
    background: #333;
    color: #999;
}

.btn-deny:hover {
    background: #444;
}

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    padding: 4rem 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: #0a0e27;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #1a1f3a;
    margin-bottom: 2rem;
}

.hero-tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    background: rgba(10, 14, 39, 0.8);
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Sections */
.intro-section,
.key-points,
.important-notice,
.game-showcase,
.benefits {
    margin-bottom: 3rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 1rem;
}

.divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    margin: 0 auto;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #b0b5c9;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.section-intro {
    text-align: center;
    color: #b0b5c9;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Point Cards */
.key-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.point-card {
    background: #1a1f3a;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #2a2f4a;
    transition: all 0.3s;
}

.point-card:hover {
    transform: translateY(-5px);
    border-color: #00d4ff;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2);
}

.point-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.point-card h3 {
    color: #00d4ff;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.point-card p {
    color: #b0b5c9;
    line-height: 1.7;
}

/* Important Notice */
.notice-container {
    background: linear-gradient(135deg, #1a1f3a 0%, #0f1425 100%);
    padding: 2.5rem;
    border-radius: 12px;
    border-left: 5px solid #ff4757;
}

.notice-title {
    color: #ff4757;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.notice-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.notice-item {
    background: rgba(255, 71, 87, 0.1);
    padding: 1rem;
    border-radius: 8px;
    color: #b0b5c9;
    font-size: 1.05rem;
}

.notice-item strong {
    color: #ff4757;
}

/* Game Showcase */
.game-wrapper,
.game-wrapper-full {
    background: #1a1f3a;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid #2a2f4a;
    margin: 2rem 0;
}

.game-embed {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
}

.game-details {
    background: #1a1f3a;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #2a2f4a;
    margin-top: 1rem;
}

.game-details p {
    color: #b0b5c9;
    margin: 0.5rem 0;
}

.game-details strong {
    color: #00d4ff;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit {
    background: #1a1f3a;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #2a2f4a;
    transition: all 0.3s;
}

.benefit:hover {
    border-color: #00d4ff;
}

.benefit h4 {
    color: #00d4ff;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.benefit p {
    color: #b0b5c9;
    line-height: 1.7;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 900;
    color: #00d4ff;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.page-header p {
    font-size: 1.2rem;
    color: #b0b5c9;
}

.doc-date {
    font-style: italic;
    color: #6b7088;
}

/* Play Page */
.play-alert {
    background: linear-gradient(135deg, #1a1f3a 0%, #0f1425 100%);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid #00d4ff;
    text-align: center;
    margin-bottom: 2rem;
}

.play-alert p {
    color: #b0b5c9;
    margin: 0;
}

.play-alert strong {
    color: #00d4ff;
}

.play-guide {
    background: #1a1f3a;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #2a2f4a;
    margin: 2rem 0;
}

.play-guide h3 {
    color: #00d4ff;
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.guide-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.guide-section h4 {
    color: #00d4ff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.guide-section ul {
    list-style: none;
    padding: 0;
}

.guide-section ul li {
    color: #b0b5c9;
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
}

.guide-section ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #00d4ff;
}

.responsibility-note {
    background: linear-gradient(135deg, #1a1f3a 0%, #0f1425 100%);
    padding: 2rem;
    border-radius: 12px;
    border-left: 5px solid #00d4ff;
    margin: 2rem 0;
}

.responsibility-note h3 {
    color: #00d4ff;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.responsibility-note p {
    color: #b0b5c9;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Legal Document */
.legal-document {
    background: #1a1f3a;
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid #2a2f4a;
}

.legal-document h2 {
    color: #00d4ff;
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    padding-top: 1rem;
}

.legal-document h3 {
    color: #00d4ff;
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
}

.legal-document h4 {
    color: #b0b5c9;
    font-size: 1.1rem;
    margin: 1rem 0 0.5rem;
}

.legal-document p {
    color: #b0b5c9;
    line-height: 1.8;
    margin: 1rem 0;
}

.legal-document ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.legal-document ul li {
    color: #b0b5c9;
    margin: 0.5rem 0;
    line-height: 1.7;
}

.doc-notice {
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid #00d4ff;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.doc-notice p {
    color: #00d4ff;
    margin: 0;
    font-weight: 500;
}

.highlight-box {
    background: rgba(255, 71, 87, 0.15);
    border: 2px solid #ff4757;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.highlight-box p {
    color: #ff4757;
    margin: 0;
    font-weight: 500;
}

/* Footer */
.site-footer {
    background: #0f1425;
    border-top: 1px solid #2a2f4a;
    padding: 3rem 2rem 1rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    color: #00d4ff;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-col p {
    color: #6b7088;
    line-height: 1.7;
}

.footer-list {
    list-style: none;
    padding: 0;
}

.footer-list li {
    margin: 0.5rem 0;
}

.footer-list a {
    color: #6b7088;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-list a:hover {
    color: #00d4ff;
}

.footer-bar {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2a2f4a;
    color: #6b7088;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .close-btn {
        display: block;
    }

    .main-wrapper {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-tags {
        flex-direction: column;
        align-items: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .game-embed {
        height: 400px;
    }

    .age-gate-content {
        padding: 2rem;
    }

    .age-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .content {
        padding: 1rem;
    }

    .hero-banner {
        padding: 2rem 1rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .game-embed {
        height: 300px;
    }

    .legal-document {
        padding: 1.5rem;
    }
}