:root {
  --primary: #10b981;
  --primary-dark: #065f46;
  --accent: #fef08a;
  --bg: #f0fdf4;
  --card-bg: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --shadow: 0 10px 30px rgba(6, 95, 70, 0.08);
  --radius: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; height: auto; border-radius: 12px; }
a { color: var(--primary-dark); text-decoration: none; }
a:hover { color: var(--primary); }

/* 顶部导航 */
.site-nav {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #d1fae5;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { font-size: 22px; font-weight: 800; color: var(--primary-dark); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-weight: 600; font-size: 15px; color: #065f46; transition: color 0.2s; }
.nav-links a:hover { color: #059669; }

/* GEO 区 */
.geo-intro {
  background: linear-gradient(135deg, #10b981 0%, #065f46 100%);
  color: #fff;
  padding: 64px 0 56px;
  text-align: center;
}
.geo-intro h1 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.3;
  color: #fff;
}
.geo-intro p {
  max-width: 820px;
  margin: 0 auto 14px;
  font-size: 16px;
  color: #d1fae5;
}
.geo-intro img {
  margin-top: 28px;
  border-radius: 20px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

/* 通用区块 */
section { padding: 60px 0; }
.section-title {
  text-align: center;
  font-size: 30px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto 40px;
  font-size: 15px;
}

/* 核心优势 */
.core-advantages { background: #ecfdf5; }
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid #d1fae5;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(6,95,70,0.12); }
.adv-card img { width: 64px; height: 64px; margin-bottom: 16px; border-radius: 12px; }
.adv-card h3 { font-size: 18px; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: var(--muted); }

/* 数据统计 */
.data-stats { background: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item { background: #ecfdf5; border-radius: var(--radius); padding: 36px 20px; }
.stat-num { font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 15px; color: var(--muted); margin-top: 6px; }

/* 热门排行 */
.rankings { background: #ecfdf5; }
.rank-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 860px; margin: 0 auto; }
.rank-item {
  background: #fff;
  border-radius: 12px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 4px 16px rgba(6,95,70,0.05);
}
.rank-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
}
.rank-item a { font-weight: 600; color: var(--text); }
.rank-item a:hover { color: var(--primary); }

/* 品牌故事 */
.brand-story { background: #fff; }
.story-wrap { display: flex; gap: 40px; align-items: center; max-width: 1000px; margin: 0 auto; }
.story-wrap img { width: 360px; flex-shrink: 0; border-radius: 20px; box-shadow: var(--shadow); }
.story-wrap p { color: #475569; font-size: 15px; margin-bottom: 14px; }

/* 焦点赛事 */
.featured-events { background: linear-gradient(135deg, #ecfdf5, #ffffff); }
.events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.event-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #d1fae5;
  transition: transform 0.25s;
}
.event-card:hover { transform: translateY(-6px); }
.event-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; }
.event-card .event-body { padding: 20px; }
.event-card h3 { font-size: 18px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.event-card p { font-size: 14px; color: var(--muted); }

/* 新闻 */
.news-list { background: #ecfdf5; }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-item {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #d1fae5;
  transition: transform 0.25s, box-shadow 0.25s;
}
.news-item:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(6,95,70,0.1); }
.news-item img { width: 100%; height: 170px; object-fit: cover; border-radius: 0; }
.news-body { padding: 22px; }
.news-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.news-body h3 a { color: var(--text); }
.news-body h3 a:hover { color: var(--primary); }
.news-date {
  display: inline-block;
  background: #ecfdf5;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.news-body p { font-size: 14px; color: var(--muted); }
.read-more { display: inline-block; margin-top: 12px; font-weight: 600; font-size: 14px; color: var(--primary); }

/* FAQ */
.faq { background: #fff; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
details {
  background: #f0fdf4;
  border-radius: 12px;
  padding: 18px 22px;
  border: 1px solid #d1fae5;
  margin-bottom: 12px;
}
summary { font-weight: 700; color: var(--primary-dark); cursor: pointer; font-size: 16px; }
details p { margin-top: 12px; color: #475569; font-size: 14px; }

/* 合作伙伴 */
.partners { background: #ecfdf5; }
.partners-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; align-items: center; }
.partners-grid img { height: 56px; width: auto; border-radius: 8px; opacity: 0.8; transition: opacity 0.2s; }
.partners-grid img:hover { opacity: 1; }

/* CTA */
.cta {
  background: linear-gradient(135deg, #065f46, #10b981);
  color: #fff;
  text-align: center;
}
.cta h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta p { color: #d1fae5; max-width: 680px; margin: 0 auto 28px; }
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 16px;
  margin: 0 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
}
.btn-secondary {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }

/* 页脚 */
.footer {
  background: #064e3b;
  color: #d1fae5;
  padding: 44px 0;
  font-size: 14px;
}
.footer-inner { display: flex; flex-direction: column; gap: 10px; text-align: center; }
.footer a { color: #fef08a; margin: 0 4px; }
.footer p { margin: 4px 0; }

@media (max-width: 900px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .events-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .story-wrap { flex-direction: column; text-align: center; }
  .nav-links { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
  .nav-links a { font-size: 13px; }
}
@media (max-width: 600px) {
  .advantages-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .rank-list { grid-template-columns: 1fr; }
  .nav-inner { flex-direction: column; height: auto; padding: 14px 0; gap: 8px; }
  .nav-links { justify-content: center; }
}