:root {
    --gold-primary: #D4A843;
    --gold-dark: #B8860B;
    --gold-light: #F5E6B8;
    --gold-gradient: linear-gradient(135deg, #D4A843 0%, #F5E6B8 50%, #D4A843 100%);
    --bg-dark: #0F0F0F;
    --bg-card: #1A1A1A;
    --bg-card-hover: #222222;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #777777;
    --border-color: #2A2A2A;
    --shadow-gold: 0 4px 20px rgba(212, 168, 67, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 15, 15, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-logo i {
    color: var(--gold-primary);
    font-size: 1.6rem;
}

.nav-logo span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold-primary);
    background: rgba(212, 168, 67, 0.1);
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-toggle:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

.main-content {
    flex: 1;
}

.hero-section {
    padding: 50px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, rgba(212, 168, 67, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.8;
}

.page-header {
    padding: 60px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, rgba(212, 168, 67, 0.06) 0%, transparent 100%);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.content-section {
    padding: 50px 0;
}

.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.content-card:hover {
    border-color: rgba(212, 168, 67, 0.2);
}

.content-card h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gold-primary);
    text-align: center;
}

.content-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

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

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 50px 0 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--gold-primary);
    font-size: 1.4rem;
}

.footer-logo span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    max-width: 450px;
}

.footer-links {
    text-align: center;
}

.footer-links h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--gold-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: '›';
    color: var(--gold-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-links a:hover {
    color: var(--gold-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.gold-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.gold-table thead {
    background: rgba(212, 168, 67, 0.1);
}

.gold-table th {
    padding: 14px 18px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(212, 168, 67, 0.2);
    white-space: nowrap;
}

.gold-table td {
    padding: 12px 18px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.gold-table tbody tr:hover {
    background: rgba(212, 168, 67, 0.05);
}

.city-cell {
    font-weight: 600;
    color: var(--text-primary) !important;
}

.rate-cell {
    font-weight: 500;
    color: var(--gold-light) !important;
}

.date-cell {
    color: var(--text-muted) !important;
    font-size: 0.85rem !important;
}

.no-data-text {
    color: var(--text-muted);
    font-style: italic;
    padding: 30px 0;
    text-align: center;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        gap: 4px;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link {
        width: 100%;
        padding: 12px 18px;
    }

    .hero-section {
        padding: 35px 0 28px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .page-header {
        padding: 40px 0 30px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .content-card {
        padding: 20px 14px;
    }

    .content-card h2 {
        font-size: 1.3rem;
    }

    .gold-table th {
        padding: 10px 10px;
        font-size: 0.72rem;
        letter-spacing: 0;
    }

    .gold-table td {
        padding: 10px 10px;
        font-size: 0.82rem;
    }

    .date-cell {
        font-size: 0.72rem !important;
    }

    .footer-top {
        gap: 20px;
        padding: 30px 0 20px;
    }

    .footer-links ul {
        flex-wrap: nowrap;
        gap: 8px 16px;
        white-space: nowrap;
        overflow-x: auto;
    }

    .footer-links a {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 1.6rem;
    }

    .nav-logo {
        font-size: 1.1rem;
    }

    .nav-logo i {
        font-size: 1.3rem;
    }

    .content-card {
        padding: 16px 10px;
    }

    .content-card h2 {
        font-size: 1.15rem;
    }

    .gold-table th {
        padding: 8px 6px;
        font-size: 0.65rem;
    }

    .gold-table td {
        padding: 8px 6px;
        font-size: 0.75rem;
    }

    .city-cell {
        min-width: 80px;
    }

    .footer-links ul {
        flex-wrap: nowrap;
        gap: 6px 12px;
        white-space: nowrap;
        overflow-x: auto;
    }

    .footer-links a {
        font-size: 0.75rem;
    }
}

.scroll-loader {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px 0;
    color: var(--gold-primary);
    font-size: 0.9rem;
}

.scroll-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--gold-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeInRow {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.showing-count {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
    padding: 8px 0 4px;
}

.ad-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8px 20px;
    text-align: center;
}
.ad-header {
    border-bottom: 1px solid var(--border-color);
    padding-top: 12px;
    padding-bottom: 12px;
}
.ad-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
    padding-bottom: 12px;
}
.ad-in-article {
    margin: 16px 0;
    padding: 12px 0;
}
.ad-sidebar-card {
    padding: 10px !important;
}
.ad-sticky-mobile {
    display: none;
}
@media (max-width: 768px) {
    .ad-sticky-mobile {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 9999;
        background: var(--bg-card);
        padding: 4px;
        text-align: center;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.5);
    }
}

.seo-content {
    margin-top: 30px;
}
.seo-content h2 {
    color: var(--gold-primary);
    font-size: 1.4rem;
    margin: 30px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}
.seo-content h2:first-child {
    margin-top: 0;
}
.seo-content p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.8;
}
.seo-content ul, .seo-content ol {
    color: var(--text-secondary);
    margin: 10px 0 16px 20px;
}
.seo-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}
.gold-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin: 16px 0;
}
.comparison-item {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
}
.comparison-item h3 {
    color: var(--gold-primary);
    font-size: 1rem;
    margin-bottom: 8px;
}
.comparison-item p {
    font-size: 0.92rem;
}

.policy-content h2 {
    color: var(--gold-primary);
    font-size: 1.3rem;
    margin: 28px 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}
.policy-content h2:first-child {
    margin-top: 0;
}
.policy-content h3 {
    color: #e0d5c0;
    font-size: 1.05rem;
    margin: 18px 0 8px;
}
.policy-content p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.8;
}
.policy-content ul, .policy-content ol {
    color: var(--text-secondary);
    margin: 8px 0 14px 20px;
}
.policy-content li {
    margin-bottom: 6px;
    line-height: 1.7;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 20px 0;
}
.contact-item {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}
.contact-icon {
    font-size: 2rem;
    color: var(--gold-primary);
    margin-bottom: 10px;
}
.contact-item h3 {
    color: var(--gold-primary);
    margin-bottom: 6px;
}
.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}
.contact-note {
    color: var(--text-muted) !important;
    font-size: 0.85rem !important;
    margin-top: 4px;
}
.faq-item {
    margin-bottom: 16px;
    padding: 16px;
    background: var(--bg-dark);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}
.faq-item h3 {
    color: var(--gold-primary);
    font-size: 1rem;
    margin-bottom: 6px;
}
.faq-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}