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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(180deg, #06283D 0%, #1363DF 50%, #47B5FF 100%);
    min-height: 100vh;
    color: #f0f0f0;
}

.page-wrapper {
    max-width: 1250px;
    margin: 0 auto;
    padding: 0 25px;
}

/* Header Section */
.page-header {
    background: rgba(6, 40, 61, 0.9);
    backdrop-filter: blur(8px);
    padding: 1.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #47B5FF, #DFF6FF);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: #06283D;
    font-weight: 900;
    box-shadow: 0 4px 15px rgba(71, 181, 255, 0.4);
}

.logo-name {
    font-size: 2rem;
    color: #DFF6FF;
    font-weight: 800;
    letter-spacing: 1px;
}

/* Navigation Menu */
.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 1.8rem;
}

.nav-menu a {
    color: #DFF6FF;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.98rem;
    transition: all 0.3s;
    padding: 10px 18px;
    border-radius: 8px;
}

.nav-menu a:hover {
    background: rgba(71, 181, 255, 0.2);
    color: #fff;
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
}

.hamburger-bar {
    width: 28px;
    height: 3px;
    background: #DFF6FF;
    border-radius: 4px;
    transition: all 0.3s;
}

/* Content Sections */
.welcome-section {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    padding: 3.5rem;
    margin: 3.5rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.welcome-section h1 {
    font-size: 3.2rem;
    margin-bottom: 2rem;
    font-weight: 900;
    color: #DFF6FF;
    letter-spacing: 0.5px;
}

.welcome-section p {
    font-size: 1.12rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.92);
}

/* Important Notice */
.important-notice {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    border-radius: 18px;
    padding: 2.8rem;
    margin: 3.5rem 0;
    box-shadow: 0 10px 40px rgba(255, 107, 107, 0.3);
}

.important-notice h3 {
    font-size: 2rem;
    margin-bottom: 1.8rem;
    font-weight: 800;
    color: white;
}

.important-notice ul {
    list-style: none;
}

.important-notice li {
    padding: 0.9rem 0;
    font-size: 1.12rem;
    font-weight: 600;
    color: white;
}

.important-notice li:before {
    content: '🌊 ';
    margin-right: 12px;
    font-size: 1.3rem;
}

/* Game Area */
.game-area {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    padding: 3rem;
    margin: 3.5rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.game-area h2 {
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
    font-weight: 800;
    color: #DFF6FF;
}

.game-viewer {
    width: 100%;
    height: 680px;
    border: 3px solid rgba(71, 181, 255, 0.4);
    border-radius: 15px;
    background: #000;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* Content Block */
.content-block {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    padding: 3.5rem;
    margin: 3.5rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.content-block h2 {
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
    font-weight: 800;
    color: #DFF6FF;
}

.content-block h3 {
    font-size: 1.85rem;
    margin: 2.5rem 0 1.2rem;
    font-weight: 700;
    color: #47B5FF;
}

.content-block p {
    font-size: 1.08rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.92);
}

.content-block ul,
.content-block ol {
    margin-left: 2.5rem;
    margin-bottom: 1.5rem;
}

.content-block li {
    font-size: 1.08rem;
    line-height: 2;
    margin-bottom: 0.9rem;
    color: rgba(255, 255, 255, 0.92);
}

/* Footer Area */
.page-footer {
    background: rgba(6, 40, 61, 0.9);
    backdrop-filter: blur(8px);
    padding: 4rem 0 2.5rem;
    margin-top: 5rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.footer-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 3.5rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.5rem;
    margin-bottom: 1.8rem;
    font-weight: 800;
    color: #47B5FF;
}

.footer-section p {
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    margin-bottom: 1rem;
    transition: all 0.3s;
    font-size: 1.05rem;
}

.footer-section a:hover {
    color: #47B5FF;
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.02rem;
}

/* Verification Modal */
.verification-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 40, 61, 0.97);
    z-index: 9999;
}

.verification-modal.open {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-box {
    background: linear-gradient(135deg, #1363DF, #47B5FF);
    padding: 4rem;
    border-radius: 18px;
    max-width: 580px;
    text-align: center;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.modal-box h2 {
    font-size: 2.7rem;
    margin-bottom: 2.5rem;
    font-weight: 900;
    color: white;
}

.modal-box p {
    font-size: 1.15rem;
    line-height: 2;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.97);
}

.modal-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.modal-button {
    padding: 1.3rem 3.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1.15rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
}

.modal-button.agree {
    background: white;
    color: #1363DF;
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}

.modal-button.agree:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.4);
}

.modal-button.disagree {
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.modal-button.disagree:hover {
    background: rgba(0, 0, 0, 0.5);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }
    
    .nav-menu ul {
        position: fixed;
        left: -100%;
        top: 85px;
        flex-direction: column;
        background: rgba(6, 40, 61, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        padding: 3rem 0;
        text-align: center;
        transition: left 0.3s;
        gap: 1rem;
    }
    
    .nav-menu ul.active {
        left: 0;
    }
    
    .welcome-section {
        padding: 2.5rem;
    }
    
    .welcome-section h1 {
        font-size: 2.2rem;
    }
    
    .content-block {
        padding: 2.5rem;
    }
    
    .game-viewer {
        height: 480px;
    }
    
    .modal-box {
        margin: 0 20px;
        padding: 3rem 2rem;
    }
    
    .modal-buttons {
        flex-direction: column;
    }
}