* {
  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 !important;
}

:root {
  --primary-light: #38bdf8;
  --primary-dark: #1e3a5f;
  --silver: #f0f9ff;
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
}

body {
  background: linear-gradient(135deg, #0b1a2e 0%, #1e3a5f 40%, #123a5e 70%, #0d2b45 100%);
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: #fff;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 25, 45, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 14px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.5px;
  color: var(--silver);
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover {
  color: var(--primary-light);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-light);
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary-light), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

/* Hero区域 */
.hero {
  position: relative;
  padding: 160px 0 80px;
  background: url('/img/ball.webp') no-repeat center center/cover;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 46, 0.85) 0%, rgba(30, 58, 95, 0.75) 50%, rgba(11, 26, 46, 0.95) 100%);
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.3;
  background: linear-gradient(90deg, #fff, var(--primary-light), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(240, 249, 255, 0.85);
  margin-bottom: 32px;
  letter-spacing: 3px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 42px;
  background: linear-gradient(135deg, var(--primary-light), #0284c7);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 30px rgba(56, 189, 248, 0.35);
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(56, 189, 248, 0.5);
}

/* GEO 简介 */
.geo-intro {
  padding: 60px 0;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.geo-intro p {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(226, 232, 240, 0.9);
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

/* 数据统计 */
.stats {
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-card {
  padding: 32px 20px;
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s;
}

.stat-card:hover {
  transform: translateY(-6px);
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary-light), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 14px;
  color: rgba(240, 249, 255, 0.7);
  margin-top: 8px;
  letter-spacing: 2px;
}

/* 核心优势 */
.advantages {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.05), transparent);
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  background: linear-gradient(90deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  text-align: center;
  color: rgba(226, 232, 240, 0.7);
  font-size: 15px;
  margin-bottom: 48px;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.adv-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 36px 28px;
  backdrop-filter: blur(10px);
  transition: background 0.3s;
}

.adv-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.adv-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.adv-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #fff;
}

.adv-card p {
  font-size: 14px;
  color: rgba(226, 232, 240, 0.8);
  line-height: 1.8;
}

/* 焦点赛事 */
.featured-events {
  padding: 80px 0;
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.event-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.event-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(56, 189, 248, 0.2);
}

.event-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.event-info {
  padding: 24px;
}

.event-info h3 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 8px;
}

.event-info p {
  font-size: 14px;
  color: rgba(226, 232, 240, 0.8);
}

.event-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(56, 189, 248, 0.2);
  color: var(--primary-light);
  border-radius: 20px;
  font-size: 12px;
  margin-top: 12px;
}

/* 品牌故事 */
.brand-story {
  padding: 80px 0;
  background: rgba(255, 255, 255, 0.02);
}

.story-wrap {
  display: flex;
  gap: 48px;
  align-items: center;
}

.story-img {
  flex: 1;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.story-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.story-text {
  flex: 1;
}

.story-text h2 {
  font-size: 28px;
  color: #fff;
  margin-bottom: 20px;
}

.story-text p {
  font-size: 15px;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.9;
  margin-bottom: 16px;
}

/* 新闻列表 */
.news-list {
  padding: 80px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.news-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 28px;
  transition: transform 0.3s;
}

.news-card:hover {
  transform: translateY(-4px);
}

.news-card .news-date {
  font-size: 13px;
  color: var(--primary-light);
  margin-bottom: 10px;
  font-weight: 600;
}

.news-card h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.5;
}

.news-card h3 a {
  color: #fff;
}

.news-card h3 a:hover {
  color: var(--primary-light);
}

.news-card p {
  font-size: 14px;
  color: rgba(226, 232, 240, 0.8);
  line-height: 1.8;
  margin-bottom: 14px;
}

.news-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary-light);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.news-tag:hover {
  background: rgba(56, 189, 248, 0.3);
}

/* FAQ */
.faq {
  padding: 80px 0;
  background: rgba(11, 26, 46, 0.5);
}

.faq-list {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 28px 32px;
  transition: background 0.3s;
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.faq-item h3 {
  font-size: 16px;
  color: var(--primary-light);
  margin-bottom: 12px;
  font-weight: 600;
}

.faq-item p {
  font-size: 14px;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.8;
}

/* 合作伙伴 */
.partners {
  padding: 80px 0;
}

.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  width: 160px;
  transition: background 0.3s;
}

.partner-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: brightness(0.85);
}

.partner-item span {
  font-size: 13px;
  color: rgba(226, 232, 240, 0.7);
}

/* 下载中心 */
.download {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(30, 58, 95, 0.4));
}

.download-wrap {
  display: flex;
  align-items: center;
  gap: 48px;
}

.download-img {
  flex: 1;
  text-align: center;
}

.download-img img {
  max-width: 200px;
  border-radius: 24px;
  box-shadow: 0 8px 40px rgba(56, 189, 248, 0.3);
}

.download-text {
  flex: 1;
}

.download-text h2 {
  font-size: 28px;
  color: #fff;
  margin-bottom: 16px;
}

.download-text p {
  font-size: 15px;
  color: rgba(226, 232, 240, 0.85);
  margin-bottom: 24px;
  line-height: 1.8;
}

.app-buttons {
  display: flex;
  gap: 16px;
}

.app-btn {
  padding: 12px 32px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  color: #fff;
  font-weight: 600;
  transition: background 0.3s;
}

.app-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* CTA */
.cta {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-dark), #0b1a2e);
}

.cta h2 {
  font-size: 32px;
  color: #fff;
  margin-bottom: 16px;
}

.cta p {
  font-size: 16px;
  color: rgba(226, 232, 240, 0.8);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 页脚 */
.footer {
  padding: 60px 0 30px;
  background: #0a1628;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 16px;
}

.footer p, .footer a {
  font-size: 14px;
  color: rgba(226, 232, 240, 0.7);
  line-height: 2;
  display: block;
}

.footer a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(226, 232, 240, 0.5);
}

.footer-bottom a {
  color: rgba(226, 232, 240, 0.5);
}

.footer-bottom a:hover {
  color: var(--primary-light);
}

@media (max-width: 768px) {
  .nav-links {
    gap: 12px;
    flex-wrap: wrap;
  }
  
  .hero h1 {
    font-size: 28px;
  }
  
  .stats-grid,
  .adv-grid,
  .events-grid {
    grid-template-columns: 1fr;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .story-wrap,
  .download-wrap {
    flex-direction: column;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}