*, *::before, *::after {
  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;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}
body {
  background: linear-gradient(145deg, #f8fafc 0%, #e0f2fe 50%, #f8fafc 100%);
  color: #0f172a;
  line-height: 1.7;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
a {
  text-decoration: none;
  color: #0369a1;
  transition: opacity 0.2s;
}
a:hover { opacity: 0.8; }
img { max-width: 100%; height: auto; display: block; }

/* 导航 */
.site-nav {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226,232,240,0.9);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(148,163,184,0.12);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.brand-flag {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0c4a6e;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}
.nav-links a {
  color: #0f172a;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s, color 0.25s;
}
.nav-links a:hover {
  border-bottom-color: #0284c7;
  color: #0284c7;
  opacity: 1;
}
.nav-links a:first-child {
  font-weight: 700;
  color: #0369a1;
}

/* Hero */
.hero {
  padding: 72px 0 40px;
  background: linear-gradient(180deg, rgba(240,249,255,0.4) 0%, rgba(224,242,254,0.2) 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: 2.4rem;
  line-height: 1.25;
  color: #0c4a6e;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 1.12rem;
  color: #334155;
  margin-bottom: 32px;
  border-left: 4px solid #38bdf8;
  padding-left: 16px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  box-shadow: 0 4px 18px rgba(2,132,199,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(2,132,199,0.3);
  opacity: 1;
}
.btn-ghost {
  background: rgba(255,255,255,0.8);
  color: #0284c7;
  border-color: #7dd3fc;
}
.btn-ghost:hover {
  transform: translateY(-2px);
  background: #fff;
  opacity: 1;
}
.hero-media img {
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(100,116,139,0.18);
}

/* GEO */
.geo-section {
  padding: 32px 0 48px;
}
.geo-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(240,249,255,0.85));
  border: 1px solid rgba(226,232,240,0.9);
  border-radius: 20px;
  padding: 36px 40px;
  font-size: 1.02rem;
  color: #1e293b;
  box-shadow: 0 8px 30px rgba(148,163,184,0.1);
  line-height: 1.85;
}

/* 通用章节 */
.section {
  padding: 60px 0;
}
.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #0c4a6e;
  text-align: center;
  margin-bottom: 12px;
}
.section-desc {
  text-align: center;
  color: #475569;
  max-width: 640px;
  margin: 0 auto 40px;
}

/* 数据统计 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(226,232,240,0.9);
  border-radius: 20px;
  padding: 32px 20px;
  text-align: center;
  box-shadow: 0 6px 24px rgba(148,163,184,0.08);
  transition: transform 0.25s, box-shadow 0.25s;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(148,163,184,0.15);
}
.stat-card strong {
  display: block;
  font-size: 2rem;
  color: #0284c7;
  font-weight: 800;
}
.stat-card span {
  color: #475569;
  font-size: 0.95rem;
}

/* 核心优势 */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.advantage-card {
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(226,232,240,0.9);
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.25s;
}
.advantage-card:hover { transform: translateY(-4px); }
.advantage-card .icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.advantage-card h3 {
  font-size: 1.1rem;
  color: #0c4a6e;
  margin-bottom: 8px;
}
.advantage-card p {
  font-size: 0.92rem;
  color: #475569;
}

/* 焦点赛事 */
.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.event-card {
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(226,232,240,0.9);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(148,163,184,0.08);
  transition: transform 0.25s, box-shadow 0.25s;
}
.event-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 34px rgba(148,163,184,0.16);
}
.event-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.event-body {
  padding: 20px;
}
.event-body h3 {
  font-size: 1.05rem;
  color: #0c4a6e;
  margin-bottom: 8px;
}
.event-body p {
  font-size: 0.9rem;
  color: #475569;
}

/* 品牌故事 */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.story-grid img {
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(100,116,139,0.18);
}
.story-text p {
  color: #334155;
  margin-bottom: 16px;
  font-size: 1rem;
}

/* 时间线 */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.timeline-item {
  background: rgba(255,255,255,0.8);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px 22px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  border-radius: 4px;
}
.timeline-item h3 {
  font-size: 1.05rem;
  color: #0c4a6e;
  margin-bottom: 8px;
}
.timeline-item p {
  font-size: 0.9rem;
  color: #475569;
}

/* 服务覆盖 */
.coverage-wrap {
  background: linear-gradient(135deg, rgba(255,255,255,0.85), rgba(224,242,254,0.5));
  border-radius: 24px;
  padding: 40px;
  border: 1px solid rgba(226,232,240,0.9);
}
.coverage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.coverage-tags span {
  background: rgba(255,255,255,0.9);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: #0369a1;
  border: 1px solid #bae6fd;
  font-weight: 500;
}

/* 精彩集锦 */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.highlight-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(148,163,184,0.14);
}
.highlight-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s;
}
.highlight-card:hover img { transform: scale(1.05); }
.highlight-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2,6,23,0) 30%, rgba(2,6,23,0.75) 100%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.highlight-overlay span {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
}

/* 口碑 */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.85);
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 6px 20px rgba(148,163,184,0.08);
}
.testimonial-card .stars {
  color: #f59e0b;
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.testimonial-card p {
  color: #334155;
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-style: italic;
}
.testimonial-card cite {
  color: #64748b;
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 600;
}

/* 新手引导 */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.guide-step {
  text-align: center;
  padding: 28px 20px;
  background: rgba(255,255,255,0.75);
  border: 1px solid #e2e8f0;
  border-radius: 20px;
}
.guide-step .num {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.guide-step h3 {
  font-size: 1.02rem;
  color: #0c4a6e;
  margin-bottom: 8px;
}
.guide-step p {
  font-size: 0.9rem;
  color: #475569;
}

/* 合作伙伴 */
.partner-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.partner-tags span {
  background: rgba(255,255,255,0.85);
  border: 1px solid #e2e8f0;
  padding: 10px 24px;
  border-radius: 999px;
  font-weight: 600;
  color: #1e293b;
  font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(148,163,184,0.08);
}

/* CTA */
.cta-section {
  padding: 70px 0;
  background: linear-gradient(135deg, rgba(2,132,199,0.08), rgba(56,189,248,0.12));
  text-align: center;
}
.cta-section h2 {
  font-size: 1.9rem;
  color: #0c4a6e;
  margin-bottom: 14px;
}
.cta-section p {
  color: #334155;
  margin-bottom: 28px;
  font-size: 1.05rem;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.faq-item {
  background: rgba(255,255,255,0.85);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(148,163,184,0.06);
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  color: #0c4a6e;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: 'Q';
  display: inline-flex;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
}
.faq-item[open] summary::before {
  background: linear-gradient(135deg, #0ea5e9, #818cf8);
}
.faq-answer {
  padding: 0 24px 20px 64px;
  color: #475569;
  font-size: 0.96rem;
  line-height: 1.8;
}
.faq-answer::before {
  content: 'A';
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  background: #e0f2fe;
  color: #0369a1;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  margin-right: 10px;
  vertical-align: middle;
  margin-top: -3px;
}

/* 新闻 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: rgba(255,255,255,0.85);
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 6px 20px rgba(148,163,184,0.08);
  transition: transform 0.25s, box-shadow 0.25s;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(148,163,184,0.14);
}
.news-date {
  align-self: flex-start;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.news-card h3 {
  font-size: 1.06rem;
  color: #0c4a6e;
  margin-bottom: 10px;
  line-height: 1.4;
}
.news-card p {
  font-size: 0.92rem;
  color: #475569;
  flex: 1;
  margin-bottom: 16px;
}
.news-card a {
  font-weight: 600;
  font-size: 0.9rem;
  color: #0284c7;
}

/* 页脚 */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 56px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.site-footer h3 {
  color: #f1f5f9;
  font-size: 1.05rem;
  margin-bottom: 14px;
}
.site-footer p {
  font-size: 0.92rem;
  color: #94a3b8;
  margin-bottom: 6px;
}
.site-footer a {
  color: #7dd3fc;
  display: inline-block;
  margin-bottom: 6px;
  font-size: 0.92rem;
}
.footer-bottom {
  border-top: 1px solid rgba(148,163,184,0.2);
  padding-top: 24px;
  text-align: center;
  font-size: 0.88rem;
  color: #94a3b8;
}
.footer-bottom a {
  color: #7dd3fc;
}

/* 响应式 */
@media (max-width: 960px) {
  .hero-grid, .story-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid, .advantage-grid, .timeline-grid, .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .event-grid, .highlight-grid, .testimonial-grid, .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-inner {
    flex-direction: column;
    padding: 12px 0;
    gap: 8px;
  }
}