* {
  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: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 40%, #dbeafe 100%);
  color: #1e293b;
  line-height: 1.75;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.gradient-text {
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 导航 */
.nav-container {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(14, 165, 233, 0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  flex-wrap: wrap;
}
.nav-links a {
  color: #1e3a5f;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}
.nav-links a:hover {
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

/* 英雄区 */
.hero-section {
  position: relative;
  padding: 60px 0 40px;
  background: radial-gradient(ellipse at 30% 20%, rgba(14, 165, 233, 0.12), transparent 60%), radial-gradient(ellipse at 80% 80%, rgba(30, 58, 95, 0.08), transparent 50%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.05;
}
.hero-content {
  text-align: center;
  padding: 20px 0;
}
.hero-content h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(30, 58, 95, 0.08));
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: 40px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 500;
  color: #1e3a5f;
  margin-bottom: 20px;
}

/* GEO 简介 */
.geo-intro {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  padding: 32px 36px;
  margin: 28px auto 0;
  max-width: 900px;
  text-align: left;
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.08);
}
.geo-intro p {
  font-size: 16px;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 14px;
}
.geo-intro p:last-child {
  margin-bottom: 0;
}

/* 通用区块标题 */
.section-title {
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1e3a5f;
  letter-spacing: 0.5px;
}
.section-subtitle {
  text-align: center;
  font-size: 15px;
  color: #64748b;
  margin-bottom: 40px;
}

/* 卡片网格 */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .nav-links {
    justify-content: center;
    gap: 4px;
  }
  .nav-links a {
    font-size: 14px;
    padding: 6px 10px;
  }
}

/* 通用section */
.section {
  padding: 60px 0;
}
.section-alt {
  background: rgba(255, 255, 255, 0.4);
}

/* 数据统计 */
.stat-card {
  text-align: center;
  padding: 28px 20px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.08);
  transition: transform 0.3s ease;
}
.stat-card:hover {
  transform: translateY(-4px);
}
.stat-card .icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.stat-card .num {
  font-size: 30px;
  font-weight: 700;
  color: #1e3a5f;
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card .label {
  font-size: 14px;
  color: #64748b;
  margin-top: 6px;
}

/* 核心优势 */
.advantage-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 28px 24px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.06);
}
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.15);
}
.advantage-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}
.advantage-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #1e293b;
}
.advantage-card p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.7;
}

/* 品牌故事 */
.story-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.story-img {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(14, 165, 233, 0.15);
}
.story-text h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #1e3a5f;
}
.story-text p {
  font-size: 15px;
  color: #475569;
  margin-bottom: 14px;
  line-height: 1.8;
}
@media (max-width: 768px) {
  .story-content {
    grid-template-columns: 1fr;
  }
}

/* 焦点赛事 */
.event-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.08);
  transition: all 0.3s ease;
}
.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(14, 165, 233, 0.14);
}
.event-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}
.event-info {
  padding: 20px;
}
.event-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1e3a5f;
  margin-bottom: 6px;
}
.event-info p {
  font-size: 14px;
  color: #64748b;
}

/* 新闻 */
.news-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.06);
  transition: transform 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
}
.news-card .tag {
  display: inline-block;
  font-size: 12px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(30, 58, 95, 0.1));
  color: #1e3a5f;
  border-radius: 30px;
  padding: 4px 14px;
  font-weight: 500;
  margin-bottom: 12px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1e3a5f;
  margin-bottom: 10px;
  line-height: 1.5;
}
.news-card p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.7;
}
.news-card .date {
  display: inline-block;
  font-size: 13px;
  color: #0ea5e9;
  font-weight: 600;
  margin-top: 12px;
  background: rgba(14, 165, 233, 0.08);
  padding: 4px 12px;
  border-radius: 30px;
}

/* 比赛回放 */
.replay-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.06);
}
.replay-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.replay-body {
  padding: 18px;
}
.replay-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1e3a5f;
  margin-bottom: 4px;
}
.replay-body p {
  font-size: 13px;
  color: #64748b;
}

/* 用户口碑 */
.testimonial-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.06);
}
.testimonial-card .stars {
  color: #f59e0b;
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.testimonial-card p {
  font-size: 14px;
  color: #475569;
  line-height: 1.8;
  font-style: normal;
}
.testimonial-card .author {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.testimonial-card .author .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
}
.testimonial-card .author .name {
  font-size: 14px;
  font-weight: 600;
  color: #1e3a5f;
}
.testimonial-card .author .role {
  font-size: 12px;
  color: #94a3b8;
}

/* FAQ */
.faq-item {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 24px 28px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.04);
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1e3a5f;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-item h3::before {
  content: "Q";
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #0ea5e9, #1e3a5f);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}
.faq-item p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.8;
  padding-left: 38px;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.9), rgba(30, 58, 95, 0.95));
  border-radius: 24px;
  padding: 48px 40px;
  text-align: center;
  color: #fff;
  box-shadow: 0 16px 48px rgba(14, 165, 233, 0.3);
}
.cta-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 15px;
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-buttons a {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
}
.cta-buttons a.btn-white {
  background: #fff;
  color: #1e3a5f;
}
.cta-buttons a.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
}
.cta-buttons a.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: #fff;
}
.cta-buttons a.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* 页脚 */
.site-footer {
  background: #1e3a5f;
  color: rgba(255, 255, 255, 0.8);
  padding: 40px 0 20px;
  margin-top: 60px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}
.footer-info p {
  font-size: 14px;
  margin-bottom: 6px;
  line-height: 1.8;
}
.footer-links h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 14px;
  font-weight: 600;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
  transition: color 0.3s ease;
}
.footer-links a:hover {
  color: #0ea5e9;
}
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 2;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
  margin: 0 4px;
}
.footer-bottom a:hover {
  color: #0ea5e9;
}
@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}