* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}
html {
    scroll-behavior: smooth;
}
body {
    background: #f0f4ff;
    color: #1e293b;
    line-height: 1.7;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #1e3a8a 0%, #162455 100%);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 24px rgba(15, 29, 61, 0.5);
    border-bottom: 2px solid #fbbf24;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 24px;
}
.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.nav-links a:first-child {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1e3a8a;
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
    border: none;
}
.nav-links a:first-child:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.6);
}
.nav-links a:not(:first-child):hover {
    background: rgba(251, 191, 36, 0.12);
    border-color: rgba(251, 191, 36, 0.5);
    color: #fbbf24;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #162455 40%, #0f1d3d 100%);
    padding: 80px 24px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(251, 191, 36, 0.08) 0%, transparent 60%);
    pointer-events: none;
}
.hero h1 {
    color: #ffffff;
    font-size: 38px;
    font-weight: 800;
    max-width: 900px;
    margin: 0 auto 20px;
    line-height: 1.3;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 2;
}
.hero .hero-sub {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}
.hero-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    margin: 30px auto 0;
    border-radius: 2px;
    position: relative;
    z-index: 2;
}

/* Sections */
section {
    padding: 60px 0;
}
.section-title {
    font-size: 28px;
    font-weight: 800;
    color: #1e3a8a;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
    padding-bottom: 16px;
}
.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 3px;
}
.section-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 15px;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* GEO */
#geo-intro {
    background: #ffffff;
}
.geo-box {
    background: linear-gradient(135deg, #f8fafc, #f0f4ff);
    border-left: 4px solid #fbbf24;
    padding: 30px 36px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.06);
    max-width: 1100px;
    margin: 0 auto;
    font-size: 15px;
    color: #334155;
    line-height: 1.9;
}
.geo-box strong {
    color: #1e3a8a;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 30px;
}
.card {
    background: #ffffff;
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.08);
    border: 1px solid #e2e8f0;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(30, 58, 138, 0.15);
}
.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, transparent, #fbbf24, transparent);
    border-radius: 0 0 4px 4px;
}
.card .icon {
    font-size: 40px;
    margin-bottom: 16px;
}
.card h3 {
    color: #1e3a8a;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
}
.card p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.7;
}
.card .stat-num {
    font-size: 36px;
    font-weight: 800;
    color: #1e3a8a;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #1e3a8a, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.card .stat-label {
    color: #64748b;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Stats */
#stats {
    background: linear-gradient(135deg, #f0f4ff, #e8edf9);
}
#stats .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Advantages */
#core-advantages {
    background: #ffffff;
}
.advantage-item {
    border-left: 3px solid #fbbf24;
}

/* Featured Events */
#featured-events {
    background: linear-gradient(135deg, #0f1d3d, #1e3a8a);
}
#featured-events .section-title {
    color: #ffffff;
}
#featured-events .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}
#featured-events .card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(251, 191, 36, 0.3);
}
#featured-events .card .event-meta {
    color: #f59e0b;
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
}
#featured-events .btn-outline {
    display: inline-block;
    padding: 10px 28px;
    border: 2px solid #fbbf24;
    color: #fbbf24;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 30px;
    transition: all 0.3s;
    text-align: center;
}
#featured-events .btn-outline:hover {
    background: #fbbf24;
    color: #1e3a8a;
}
.center-wrap {
    text-align: center;
}

/* Live Stream */
#live-stream {
    background: #ffffff;
}
.live-banner {
    display: flex;
    align-items: center;
    gap: 30px;
    background: linear-gradient(135deg, #f8fafc, #fff7ed);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid #fde68a;
    flex-wrap: wrap;
}
.live-banner img {
    border-radius: 12px;
    flex: 1;
    min-width: 280px;
    max-width: 480px;
}
.live-info {
    flex: 1;
    min-width: 260px;
}
.live-info h3 {
    color: #1e3a8a;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
}
.live-info p {
    color: #64748b;
    margin-bottom: 8px;
}
.live-info .live-tag {
    display: inline-block;
    background: #ef4444;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Rankings */
#rankings {
    background: linear-gradient(135deg, #f0f4ff, #e8edf9);
}
.rank-table {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.08);
    border-collapse: collapse;
}
.rank-table th {
    background: #1e3a8a;
    color: #ffffff;
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 700;
    text-align: left;
}
.rank-table td {
    padding: 14px 20px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 14px;
}
.rank-table tr:last-child td {
    border-bottom: none;
}
.rank-table tr:hover td {
    background: #f8fafc;
}
.rank-badge {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1e3a8a;
    font-weight: 800;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 13px;
}

/* News */
#news-list {
    background: #ffffff;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}
.news-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.06);
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(30, 58, 138, 0.12);
}
.news-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.news-card .news-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-card .news-date {
    font-size: 13px;
    color: #f59e0b;
    font-weight: 700;
    margin-bottom: 8px;
}
.news-card h3 {
    color: #1e3a8a;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}
.news-card p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.7;
    flex: 1;
}
.news-footer {
    text-align: center;
    margin-top: 40px;
}
.btn-primary {
    display: inline-block;
    padding: 12px 36px;
    background: linear-gradient(135deg, #1e3a8a, #162455);
    color: #ffffff;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.4);
}

/* FAQ */
#faq {
    background: linear-gradient(135deg, #f0f4ff, #e8edf9);
}
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}
.faq-item {
    background: #ffffff;
    border-radius: 14px;
    margin-bottom: 16px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.04);
}
.faq-item summary {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 700;
    color: #1e3a8a;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.3s;
}
.faq-item summary:hover {
    background: #f8fafc;
}
.faq-item summary::before {
    content: "►";
    color: #fbbf24;
    font-size: 12px;
    transition: transform 0.3s;
}
.faq-item[open] summary::before {
    transform: rotate(90deg);
}
.faq-item .answer {
    padding: 0 24px 24px;
    color: #475569;
    font-size: 14px;
    line-height: 1.8;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
}

/* Brand Story */
#brand-story {
    background: #ffffff;
}
.brand-wrap {
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
    flex-wrap: wrap;
}
.brand-wrap img {
    flex: 1;
    min-width: 260px;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(30, 58, 138, 0.15);
}
.brand-text {
    flex: 1;
    min-width: 280px;
}
.brand-text h3 {
    color: #1e3a8a;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
}
.brand-text p {
    color: #475569;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
}

/* Download */
#download {
    background: linear-gradient(135deg, #1e3a8a, #0f1d3d);
    color: #ffffff;
}
#download .section-title {
    color: #ffffff;
}
#download .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}
.download-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 40px 24px;
    text-align: center;
    border: 1px solid rgba(251, 191, 36, 0.3);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}
.download-card:hover {
    transform: translateY(-8px);
}
.download-card img {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.download-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.download-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}
.download-btn {
    display: inline-block;
    padding: 10px 30px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1e3a8a;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s;
    border: none;
}
.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
}

/* Partners */
#partners {
    background: #f8fafc;
}
.partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.partner-item {
    background: #ffffff;
    border-radius: 14px;
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.06);
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    font-weight: 700;
    color: #1e3a8a;
}
.partner-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.1);
}
.partner-item img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* Footer */
footer {
    background: #0f1d3d;
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 24px 30px;
}
.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-grid h4 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}
.footer-grid h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: #fbbf24;
}
.footer-grid p {
    font-size: 14px;
    margin-bottom: 10px;
    line-height: 1.7;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}
.footer-links a:hover {
    color: #fbbf24;
}
.footer-bottom {
    text-align: center;
    padding-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}
.footer-bottom a {
    color: #fbbf24;
    text-decoration: none;
}
.footer-bottom a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 26px;
    }
    .nav-links {
        gap: 4px;
        justify-content: center;
    }
    .nav-links a {
        padding: 6px 12px;
        font-size: 13px;
    }
    section {
        padding: 40px 0;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
    .live-banner {
        flex-direction: column;
    }
    .brand-wrap {
        flex-direction: column;
    }
}