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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #2d3436;
    background: #f8f9fa;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: white;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    color: #6c5ce7;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.bar {
    width: 28px;
    height: 3px;
    background: #6c5ce7;
    transition: all 0.3s;
}

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

.nav-link {
    color: #2d3436;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #6c5ce7;
}

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.tagline {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.2);
    padding: 0.8rem 1.8rem;
    border-radius: 25px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* About Section */
.about-section {
    padding: 5rem 2rem;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.8rem;
    color: #6c5ce7;
    font-weight: 800;
    margin-bottom: 1rem;
}

.header-underline {
    width: 80px;
    height: 4px;
    background: #6c5ce7;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features-section {
    padding: 5rem 2rem;
}

.feature-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-box {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    text-align: center;
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.feature-box h3 {
    font-size: 1.6rem;
    color: #6c5ce7;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-box p {
    line-height: 1.8;
}

/* Game Section */
.game-section {
    padding: 5rem 2rem;
    background: white;
}

.game-intro {
    text-align: center;
    font-size: 1.15rem;
    margin-bottom: 3rem;
    color: #636e72;
}

.game-box {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    margin-bottom: 3rem;
}

.game-box iframe {
    width: 100%;
    min-height: 600px;
    border-radius: 12px;
}

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

.tip-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #6c5ce7;
}

.tip-card h4 {
    color: #6c5ce7;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

/* Advantages Section */
.advantages-section {
    padding: 5rem 2rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 20px rgba(0,0,0,0.06);
    position: relative;
}

.advantage-num {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(108, 92, 231, 0.2);
}

.advantage-card h4 {
    color: #6c5ce7;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

/* Notices Section */
.notices-section {
    padding: 5rem 2rem;
    background: white;
}

.notice-cards {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.notice-card {
    padding: 2.5rem;
    border-radius: 15px;
    border-left: 6px solid;
}

.notice-warning {
    background: #fff3cd;
    border-color: #ffc107;
}

.notice-info {
    background: #d1ecf1;
    border-color: #0dcaf0;
}

.notice-age {
    background: #f8d7da;
    border-color: #dc3545;
}

.notice-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.notice-card p {
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Stats Showcase */
.stats-showcase {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    color: white;
}

.stats-container {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat-card {
    text-align: center;
    min-width: 180px;
}

.stat-value {
    font-size: 4.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Final Message */
.final-message {
    padding: 5rem 2rem;
    background: white;
    text-align: center;
}

.final-message h2 {
    font-size: 2.8rem;
    color: #6c5ce7;
    margin-bottom: 2rem;
    font-weight: 800;
}

.final-message p {
    font-size: 1.15rem;
    line-height: 1.9;
    max-width: 1000px;
    margin: 0 auto;
}

/* Footer */
.site-footer {
    background: #2d3436;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.footer-column h4 {
    color: #a29bfe;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-menu a {
    color: #dfe6e9;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-menu a:hover {
    color: #a29bfe;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #b2bec3;
}

/* Age Modal */
.modal-overlay {
    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;
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 50px rgba(0,0,0,0.3);
}

.modal-header {
    margin-bottom: 1.5rem;
}

.modal-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

.modal-header h2 {
    font-size: 2rem;
    color: #6c5ce7;
    font-weight: 800;
}

.modal-body p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #2d3436;
}

.modal-emphasis {
    font-weight: 700;
    color: #6c5ce7;
}

.modal-note {
    color: #dc3545;
    font-weight: 600;
}

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

.btn {
    flex: 1;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.2s;
}

.btn-confirm {
    background: #00b894;
    color: white;
}

.btn-decline {
    background: #d63031;
    color: white;
}

.btn:hover {
    transform: scale(1.05);
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    color: white;
    padding: 3.5rem 2rem;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.update-date {
    font-style: italic;
}

/* Play Section */
.play-section {
    padding: 4rem 2rem;
}

.play-header {
    text-align: center;
    margin-bottom: 3rem;
}

.play-header h2 {
    font-size: 2.5rem;
    color: #6c5ce7;
    margin-bottom: 1rem;
    font-weight: 800;
}

.play-game-container {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    margin-bottom: 3rem;
}

.play-game-container iframe {
    width: 100%;
    min-height: 650px;
    border-radius: 12px;
}

.play-guide h3 {
    font-size: 2rem;
    color: #6c5ce7;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 800;
}

.guide-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.guide-box {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 3px 20px rgba(0,0,0,0.06);
}

.guide-box h4 {
    color: #6c5ce7;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

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

.guide-box li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.guide-box li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #6c5ce7;
    font-weight: 700;
}

.play-warnings h3 {
    font-size: 2rem;
    color: #6c5ce7;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 800;
}

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

.warning-box {
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 3px solid;
}

.warn-1 {
    background: #fff3cd;
    border-color: #ffc107;
}

.warn-2 {
    background: #d1ecf1;
    border-color: #0dcaf0;
}

.warn-3 {
    background: #f8d7da;
    border-color: #dc3545;
}

.warn-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.warning-box h4 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

/* Legal Section */
.legal-section {
    padding: 4rem 2rem;
}

.legal-content {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    max-width: 1000px;
    margin: 0 auto;
}

.term-article {
    margin-bottom: 3rem;
}

.term-article h2 {
    font-size: 1.8rem;
    color: #6c5ce7;
    margin-bottom: 1rem;
    font-weight: 800;
}

.term-article ul {
    margin-left: 2rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.term-article li {
    margin-bottom: 0.7rem;
    line-height: 1.7;
}

.term-article p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.highlight-article {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border-left: 6px solid #6c5ce7;
}

.disclaimer-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.summary-point {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid #6c5ce7;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.summary-point strong {
    color: #6c5ce7;
    font-size: 1.2rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid #eee;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .game-box iframe {
        min-height: 400px;
    }
    
    .play-game-container iframe {
        min-height: 450px;
    }
    
    .stats-container {
        gap: 2rem;
    }
    
    .modal-content {
        margin: 1rem;
        padding: 2rem;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}