:root {
    --silver: #94a3b8;
    --dark: #0f172a;
    --mid: #1e293b;
    --accent: #38bdf8;
    --bright: #e2e8f0;
    --border-glow: rgba(148, 163, 184, 0.25);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 35%, #334155 55%, #1e293b 75%, #0f172a 100%);
    color: var(--bright);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}
a:hover {
    color: #f1f5f9;
    text-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Navigation ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glow);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    max-width: 1280px;
    margin: 0 auto;
}
.logo {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #e2e8f0, #94a3b8, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}
.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav-links a {
    color: var(--bright);
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.3s;
    font-size: 0.95rem;
}
.nav-links a:hover {
    background: rgba(56, 189, 248, 0.12);
    color: var(--accent);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 100px 0 80px;
    background: radial-gradient(ellipse at 20% 50%, rgba(56, 189, 248, 0.08), transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(148, 163, 184, 0.06), transparent 50%);
    text-align: center;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--silver), transparent);
}
.hero-badge {
    display: inline-block;
    padding: 6px 20px;
    border: 1px solid var(--border-glow);
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--silver);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    background: rgba(27, 40, 63, 0.6);
}
.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #94a3b8, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    line-height: 1.3;
}
.hero-img-wrap {
    max-width: 900px;
    margin: 36px auto 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-glow);
}
.hero-img-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== GEO Intro ===== */
.geo-intro {
    padding: 60px 0;
}
.geo-intro .inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}
.geo-intro p {
    font-size: 1.05rem;
    color: #cbd5e1;
    line-height: 1.9;
    margin-bottom: 16px;
}

/* ===== Section common ===== */
.section {
    padding: 60px 0;
}
.section-alt {
    background: rgba(15, 23, 42, 0.45);
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}
.section-title {
    text-align: center;
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #f1f5f9, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}
.section-subtitle {
    text-align: center;
    color: var(--silver);
    max-width: 650px;
    margin: 0 auto 48px;
    font-size: 0.98rem;
}

/* ===== Cards ===== */
.card {
    background: linear-gradient(145deg, rgba(148, 163, 184, 0.07), rgba(15, 23, 42, 0.55));
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 14px;
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.6;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

/* ===== Data Stats ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-item {
    text-align: center;
    padding: 36px 20px;
}
.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    text-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
}
.stat-label {
    color: var(--silver);
    font-size: 0.95rem;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Advantages ===== */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.adv-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}
.adv-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.adv-desc {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Brand Story ===== */
.story-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.story-wrap img {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border-glow);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.story-text h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}
.story-text p {
    color: #cbd5e1;
    margin-bottom: 16px;
    line-height: 1.8;
}

/* ===== Vision ===== */
.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.vision-box {
    padding: 40px 32px;
    text-align: center;
}
.vision-box h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.vision-box p {
    color: #cbd5e1;
    line-height: 1.8;
}

/* ===== Featured Events ===== */
.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.event-card {
    text-align: center;
}
.event-img {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--border-glow);
}
.event-img img {
    width: 100%;
    display: block;
}
.event-card h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}
.event-card .ematch {
    color: var(--silver);
    font-size: 0.9rem;
    margin-bottom: 4px;
}
.event-card .etime {
    color: var(--accent);
    font-size: 0.85rem;
}

/* ===== Coverage ===== */
.cov-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.cov-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.cov-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.3);
    font-size: 0.95rem;
    color: #cbd5e1;
}
.cov-item span {
    color: var(--accent);
    font-size: 1.2rem;
}
.cov-img img {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border-glow);
}

/* ===== Testimonials ===== */
.testi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testi-card {
    padding: 32px 24px;
}
.testi-stars {
    color: #eab308;
    letter-spacing: 2px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}
.testi-text {
    color: #cbd5e1;
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 0.95rem;
}
.testi-name {
    color: var(--silver);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== News Section ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.news-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    align-items: flex-start;
}
.news-card-img {
    flex-shrink: 0;
    width: 120px;
    height: 90px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-glow);
}
.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.news-date {
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 6px;
    letter-spacing: 1px;
}
.news-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}
.news-card p {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-wide {
    grid-column: span 2;
}

/* ===== FAQ ===== */
.faq-wrap {
    max-width: 850px;
    margin: 0 auto;
}
.faq-item {
    margin-bottom: 12px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.4);
    overflow: hidden;
}
.faq-q {
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #e2e8f0;
    border-left: 3px solid var(--accent);
    background: rgba(148, 163, 184, 0.04);
}
.faq-q::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 300;
}
.faq-a {
    padding: 0 24px 20px;
    color: #94a3b8;
    line-height: 1.8;
    font-size: 0.95rem;
    border-left: 3px solid transparent;
}

/* ===== CTA ===== */
.cta-section {
    padding: 80px 0;
    background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.12), transparent 70%);
    text-align: center;
}
.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}
.cta-section p {
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
}
.cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid var(--accent);
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), transparent);
    color: var(--accent);
    transition: all 0.3s;
}
.cta-btn:hover {
    background: var(--accent);
    color: #0f172a;
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
}
.cta-btn-solid {
    background: linear-gradient(135deg, #38bdf8, #768ea6);
    color: #0f172a;
    border: 1px solid transparent;
}
.cta-btn-solid:hover {
    background: linear-gradient(135deg, #f1f5f9, #94a3b8);
    box-shadow: 0 0 30px rgba(148, 163, 184, 0.4);
    color: #0f172a;
}

/* ===== Footer ===== */
.site-footer {
    background: rgba(15, 23, 42, 0.9);
    border-top: 1px solid var(--border-glow);
    padding: 60px 0 30px;
    color: #94a3b8;
    font-size: 0.9rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}
.footer-grid h4 {
    color: #e2e8f0;
    font-size: 1rem;
    margin-bottom: 14px;
}
.footer-grid ul {
    list-style: none;
}
.footer-grid li {
    margin-bottom: 8px;
}
.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    padding-top: 24px;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
}
.footer-bottom a {
    color: #94a3b8;
}
.footer-bottom a:hover {
    color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-grid { grid-template-columns: 1fr; }
    .story-wrap { grid-template-columns: 1fr; }
    .vision-grid { grid-template-columns: 1fr; }
    .events-grid { grid-template-columns: 1fr; }
    .cov-wrap { grid-template-columns: 1fr; }
    .testi-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .news-card-wide { grid-column: span 1; }
    .footer-grid { grid-template-columns: 1fr; }
    .nav-links { gap: 10px; }
    .nav-links a { font-size: 0.85rem; padding: 4px 8px; }
    .hero h1 { font-size: 2rem; }
}