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

body {
    font-family: 'Roboto', sans-serif;
    background: #0d1117;
    color: #c9d1d9;
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
}

.content-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 25px;
}

/* Age Modal */
.age-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.98);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.age-modal.active {
    display: flex;
}

.age-modal-content {
    background: linear-gradient(145deg, #161b22 0%, #1f2937 100%);
    border: 3px solid #00d9ff;
    max-width: 550px;
    box-shadow: 0 0 50px rgba(0, 217, 255, 0.5);
}

.modal-header {
    background: #00d9ff;
    padding: 30px;
    text-align: center;
}

.tech-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

.modal-header h2 {
    font-size: 28px;
    color: #0d1117;
    letter-spacing: 3px;
}

.modal-body {
    padding: 40px 30px;
    text-align: center;
}

.verify-text {
    font-size: 18px;
    margin-bottom: 15px;
    color: #c9d1d9;
}

.info-text {
    font-size: 15px;
    color: #8b949e;
}

.modal-footer {
    padding: 0 30px 30px 30px;
    display: flex;
    gap: 15px;
}

.btn-verify, .btn-reject {
    flex: 1;
    padding: 15px;
    font-size: 16px;
    font-weight: 700;
    border: 2px solid #00d9ff;
    background: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

.btn-verify {
    background: #00d9ff;
    color: #0d1117;
}

.btn-verify:hover {
    background: #00b8d9;
    border-color: #00b8d9;
    transform: translateY(-3px);
}

.btn-reject {
    color: #00d9ff;
}

.btn-reject:hover {
    background: rgba(0, 217, 255, 0.1);
}

/* Header */
.site-header {
    background: rgba(22, 27, 34, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #00d9ff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrap {
    max-width: 1300px;
    margin: 0 auto;
    padding: 18px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-icon {
    font-size: 30px;
    color: #00d9ff;
}

.brand-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 26px;
    font-weight: 800;
    color: #00d9ff;
    letter-spacing: 2px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.toggle-line {
    width: 28px;
    height: 3px;
    background: #00d9ff;
    transition: all 0.3s ease;
}

.main-navigation {
    display: flex;
    gap: 35px;
}

.nav-item {
    color: #8b949e;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}

.nav-item:hover {
    color: #00d9ff;
}

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #1f2937 100%);
    padding: 100px 0;
    border-bottom: 2px solid #00d9ff;
}

.hero-grid {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 25px;
}

.hero-content {
    text-align: center;
}

.main-title {
    font-size: 68px;
    margin-bottom: 25px;
    color: #00d9ff;
    letter-spacing: 4px;
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.6);
}

.hero-description {
    font-size: 20px;
    color: #8b949e;
    max-width: 800px;
    margin: 0 auto 50px auto;
    line-height: 1.7;
}

.tech-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: #00d9ff;
    font-family: 'Orbitron', sans-serif;
}

.stat-label {
    display: block;
    font-size: 16px;
    color: #8b949e;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
}

/* Alert Banner */
.alert-banner {
    padding: 80px 0;
    background: #0d1117;
}

.alert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.alert-card {
    padding: 45px 30px;
    text-align: center;
    border: 2px solid;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.alert-card:hover {
    transform: translateY(-8px);
}

.alert-card.cyan {
    border-color: #00d9ff;
    background: rgba(0, 217, 255, 0.05);
}

.alert-card.cyan:hover {
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4);
}

.alert-card.purple {
    border-color: #9333ea;
    background: rgba(147, 51, 234, 0.05);
}

.alert-card.purple:hover {
    box-shadow: 0 10px 40px rgba(147, 51, 234, 0.4);
}

.alert-card.orange {
    border-color: #f97316;
    background: rgba(249, 115, 22, 0.05);
}

.alert-card.orange:hover {
    box-shadow: 0 10px 40px rgba(249, 115, 22, 0.4);
}

.alert-icon {
    font-size: 52px;
    margin-bottom: 20px;
}

.alert-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #00d9ff;
}

.alert-card p {
    font-size: 17px;
    color: #8b949e;
}

/* About Platform */
.about-platform {
    padding: 100px 0;
    background: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 48px;
    color: #00d9ff;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.header-line {
    width: 100px;
    height: 3px;
    background: #00d9ff;
    margin: 0 auto;
}

.platform-info p {
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 25px;
    color: #8b949e;
}

/* Featured Game Section */
.featured-game-section {
    padding: 100px 0;
    background: #0d1117;
}

.game-intro {
    text-align: center;
    font-size: 18px;
    margin-bottom: 50px;
    color: #8b949e;
}

.game-container {
    margin-bottom: 30px;
}

.game-screen {
    background: #161b22;
    border: 2px solid #00d9ff;
    overflow: hidden;
    box-shadow: 0 0 50px rgba(0, 217, 255, 0.3);
}

.game-frame {
    width: 100%;
    height: 700px;
    border: none;
}

.game-alert {
    background: rgba(249, 115, 22, 0.1);
    border: 2px solid #f97316;
    padding: 20px;
    text-align: center;
}

.game-alert p {
    font-size: 16px;
    color: #c9d1d9;
}

/* Tech Features */
.tech-features {
    padding: 100px 0;
    background: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 50px;
    margin-top: 60px;
}

.tech-feature {
    text-align: center;
}

.feature-icon-box {
    margin-bottom: 25px;
}

.feature-emoji {
    font-size: 64px;
}

.tech-feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #00d9ff;
}

.tech-feature p {
    font-size: 16px;
    color: #8b949e;
    line-height: 1.7;
}

/* Responsibility Zone */
.responsibility-zone {
    padding: 100px 0;
    background: #0d1117;
}

.responsibility-content > p {
    font-size: 18px;
    text-align: center;
    margin-bottom: 50px;
    color: #8b949e;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.responsibility-points {
    display: grid;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.resp-point {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    padding: 30px;
    background: #161b22;
    border-left: 4px solid #00d9ff;
}

.point-number {
    font-size: 40px;
    font-weight: 800;
    color: #00d9ff;
    font-family: 'Orbitron', sans-serif;
    flex-shrink: 0;
}

.point-content h4 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #00d9ff;
}

.point-content p {
    font-size: 16px;
    color: #8b949e;
    line-height: 1.7;
}

/* Page Title Section */
.page-title-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
    text-align: center;
    border-bottom: 2px solid #00d9ff;
}

.page-title-section h1 {
    font-size: 56px;
    margin-bottom: 20px;
    color: #00d9ff;
    letter-spacing: 3px;
}

.page-title-section p {
    font-size: 18px;
    color: #8b949e;
}

/* Game Specs */
.game-specs {
    padding: 80px 0;
    background: #0d1117;
}

.game-specs h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 50px;
    color: #00d9ff;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.spec-box {
    text-align: center;
    padding: 35px 25px;
    background: #161b22;
    border: 1px solid #30363d;
}

.spec-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 20px;
}

.spec-box h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #00d9ff;
}

.spec-box p {
    font-size: 15px;
    color: #8b949e;
    line-height: 1.6;
}

/* Gameplay Section */
.gameplay-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
}

.gameplay-info {
    background: #161b22;
    padding: 35px;
    border: 2px solid #00d9ff;
    margin-top: 30px;
}

.gameplay-info h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #00d9ff;
}

.info-list {
    list-style-position: inside;
}

.info-list li {
    font-size: 16px;
    margin-bottom: 10px;
    color: #8b949e;
}

/* Tech Support */
.tech-support {
    padding: 80px 0;
    background: #0d1117;
}

.tech-support h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 20px;
    color: #00d9ff;
}

.support-intro {
    text-align: center;
    font-size: 17px;
    margin-bottom: 50px;
    color: #8b949e;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.support-item {
    padding: 30px;
    background: #161b22;
    border-left: 4px solid #00d9ff;
}

.support-item h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #00d9ff;
}

.support-item p {
    font-size: 15px;
    color: #8b949e;
    line-height: 1.6;
}

/* Play Notice */
.play-notice {
    padding: 80px 0;
    background: linear-gradient(180deg, #161b22 0%, #0d1117 100%);
}

.notice-box {
    background: #161b22;
    padding: 50px;
    border: 2px solid #00d9ff;
    max-width: 900px;
    margin: 0 auto;
}

.notice-box h3 {
    font-size: 32px;
    margin-bottom: 25px;
    color: #00d9ff;
}

.notice-box p {
    font-size: 17px;
    margin-bottom: 20px;
    color: #8b949e;
    line-height: 1.8;
}

/* Legal Pages */
.legal-header {
    padding: 80px 0;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
    text-align: center;
    border-bottom: 2px solid #00d9ff;
}

.legal-header h1 {
    font-size: 52px;
    margin-bottom: 15px;
    color: #00d9ff;
    letter-spacing: 3px;
}

.revision-date {
    font-size: 16px;
    color: #8b949e;
}

.legal-document {
    padding: 80px 0;
    background: #0d1117;
}

.document-content h2 {
    font-size: 32px;
    margin-top: 50px;
    margin-bottom: 20px;
    color: #00d9ff;
}

.document-content h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #4fc3f7;
}

.document-content p {
    font-size: 16px;
    margin-bottom: 18px;
    color: #8b949e;
    line-height: 1.8;
}

.document-content ul {
    margin: 20px 0 20px 40px;
}

.document-content li {
    font-size: 16px;
    margin-bottom: 10px;
    color: #8b949e;
}

.document-content a {
    color: #00d9ff;
    text-decoration: none;
}

.document-content a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background: #0a0e13;
    border-top: 2px solid #00d9ff;
    padding: 80px 0 30px 0;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #00d9ff;
    letter-spacing: 2px;
}

.footer-col p {
    font-size: 15px;
    color: #8b949e;
    line-height: 1.7;
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: #8b949e;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: #00d9ff;
}

.footer-base {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #30363d;
}

.footer-base p {
    font-size: 14px;
    color: #6e7681;
}

/* Mobile Responsive */
@media (max-width: 968px) {
    .mobile-toggle {
        display: flex;
    }

    .main-navigation {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        background: rgba(22, 27, 34, 0.98);
        padding: 40px 25px;
        gap: 25px;
        transition: left 0.3s ease;
    }

    .main-navigation.active {
        left: 0;
    }

    .main-title {
        font-size: 48px;
    }

    .hero-description {
        font-size: 17px;
    }

    .tech-stats {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .age-modal-content {
        margin: 20px;
    }

    .modal-footer {
        flex-direction: column;
    }

    .main-title {
        font-size: 38px;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .game-frame {
        height: 450px;
    }

    .notice-box {
        padding: 30px 25px;
    }
}

@media (max-width: 480px) {
    .content-container {
        padding: 0 20px;
    }

    .main-title {
        font-size: 28px;
        letter-spacing: 2px;
    }

    .brand-name {
        font-size: 20px;
    }

    .game-frame {
        height: 350px;
    }
}