/* ===== COMMON ===== */
:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #0f3460;
    --highlight: #e94560;
    --gold: #c9a96e;
    --light: #f5f5f0;
    --white: #ffffff;
    --gray: #6b7280;
    --dark-gray: #374151;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Noto Sans SC', sans-serif;
    background: var(--light);
    color: var(--dark-gray);
    line-height: 1.8;
}
header {
    background: var(--primary);
    border-bottom: 1px solid rgba(201, 169, 110, 0.1);
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.logo-icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--gold), #d4b87a);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}
.logo-text {
    color: var(--white);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 2px;
}
.logo-sub {
    color: var(--gold);
    font-size: 11px;
    letter-spacing: 3px;
    margin-top: -4px;
    opacity: 0.8;
}
nav { display: flex; align-items: center; gap: 8px; }
.nav-item {
    padding: 8px 16px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-radius: 6px;
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}
.nav-item:hover, .nav-item.active {
    color: var(--gold);
    background: rgba(201, 169, 110, 0.1);
}
footer {
    background: #0f0f1a;
    color: rgba(255,255,255,0.6);
    padding: 60px 40px 30px;
}
.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.social-link {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-size: 16px;
}
.social-link:hover {
    background: var(--gold);
    color: var(--primary);
    transform: translateY(-3px);
}
.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}
.footer-col a {
    display: block;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--gold);
    padding-left: 4px;
}
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}
.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
    min-height: 60vh;
    padding-top: 160px;
}
.page-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
}
.page-subtitle {
    font-size: 18px;
    color: var(--gray);
    text-align: center;
    margin-bottom: 60px;
}
.section-label {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(201, 169, 110, 0.1);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 50px;
    color: var(--gold);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.page-section {
    display: none;
    animation: fadeIn 0.5s ease;
}
.page-section.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    .header-container { padding: 0 20px; }
    .page-content { padding: 60px 20px; padding-top: 140px; }
    .page-title { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}