:root {
  --primary: #7f1d1d;
  --dark: #1a0a0a;
  --accent: #ef4444;
  --card-bg: rgba(20, 5, 5, 0.75);
  --card-border: rgba(239, 68, 68, 0.3);
  --text: #e8d5d5;
  --text-strong: #ffffff;
  --font: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: inherit;
}

body {
  font-family: var(--font);
  background: linear-gradient(145deg, #1a0a0a 0%, #4c1212 35%, #7f1d1d 65%, #1a0a0a 100%);
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: inherit;
  color: var(--text-strong);
  line-height: 1.4;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ===== 导航栏 ===== */
.site-header {
  background: rgba(15, 5, 5, 0.88);
  border-bottom: 1px solid rgba(239, 68, 68, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0;
}

.nav-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a {
  color: #f0e0e0;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.nav-links a:hover {
  color: #ffffff;
  border-color: rgba(239, 68, 68, 0.5);
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.25);
  background: rgba(239, 68, 68, 0.08);
}

/* ===== 区块通用 ===== */
.section {
  padding: 70px 0;
}

.section-title {
  font-size: 32px;
  text-align: center;
  margin-bottom: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.section-subtitle {
  text-align: center;
  font-size: 15px;
  color: #c9a7a7;
  max-width: 640px;
  margin: 0 auto 40px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 0 24px rgba(239, 68, 68, 0.12);
  padding: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(239, 68, 68, 0.25);
}

/* ===== GEO 介绍 ===== */
.geo-intro {
  padding: 60px 0 20px;
  text-align: center;
}

.geo-intro h1 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 18px;
  text-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
  letter-spacing: 1px;
}

.geo-intro p {
  max-width: 920px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 2;
  color: #f0e0e0;
  background: rgba(20, 5, 5, 0.5);
  border-radius: 16px;
  padding: 28px 32px;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ===== 大屏展示 Hero ===== */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  overflow: hidden;
  margin-top: 40px;
  border-radius: 20px;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  border-radius: 20px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26, 10, 10, 0.3), rgba(26, 10, 10, 0.8));
  z-index: 1;
  border-radius: 20px;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
}

.hero-content h2 {
  font-size: 42px;
  color: #fff;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
  margin-bottom: 16px;
}

.hero-content p {
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto 28px;
  color: #f0e0e0;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  padding: 12px 32px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  box-shadow: 0 0 35px rgba(239, 68, 68, 0.7);
  transform: scale(1.04);
}

/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 36px 20px;
}

.stat-number {
  font-size: 44px;
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 0 16px rgba(239, 68, 68, 0.5);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: #c9a7a7;
  letter-spacing: 1px;
}

/* ===== 核心优势 ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.advantage-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.advantage-icon {
  font-size: 34px;
  color: var(--accent);
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 14px;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.advantage-item h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.advantage-item p {
  font-size: 14px;
  color: #c9a7a7;
  line-height: 1.7;
}

/* ===== 品牌故事 ===== */
.brand-story-wrap {
  display: flex;
  gap: 36px;
  align-items: center;
  flex-wrap: wrap;
}

.brand-story-wrap .story-text {
  flex: 1;
  min-width: 300px;
}

.brand-story-wrap .story-img {
  flex: 1;
  min-width: 280px;
}

.story-text p {
  margin-bottom: 16px;
  color: #e0c8c8;
  font-size: 15px;
  line-height: 1.9;
}

/* ===== 焦点赛事 ===== */
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.event-card {
  text-align: center;
  overflow: hidden;
}

.event-card .event-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 16px;
}

.event-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.event-card .event-league {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.event-card .event-time {
  font-size: 14px;
  color: #c9a7a7;
}

/* ===== 精彩集锦 ===== */
.highlights-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.highlight-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  height: 200px;
}

.highlight-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.highlight-item:hover img {
  transform: scale(1.05);
}

.highlight-item .highlight-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 16px 16px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}

/* ===== 合作伙伴 ===== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.partner-logo {
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.partner-logo img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border-radius: 50%;
  border: 1px solid rgba(239, 68, 68, 0.2);
  background: rgba(255, 255, 255, 0.05);
  padding: 8px;
}

.partner-logo span {
  font-size: 13px;
  color: #c9a7a7;
  font-weight: 500;
}

/* ===== 用户口碑 ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  position: relative;
}

.testimonial-card .quote-mark {
  font-size: 44px;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: -8px;
}

.testimonial-card p {
  font-size: 14px;
  color: #d8c0c0;
  margin: 12px 0 18px;
  line-height: 1.8;
}

.testimonial-card .author {
  font-size: 14px;
  color: var(--text-strong);
  font-weight: 600;
}

.testimonial-card .author-role {
  font-size: 12px;
  color: #a07878;
}

/* ===== 新闻列表 ===== */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.news-card {
  display: flex;
  flex-direction: column;
}

.news-card .news-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.news-tag {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 20px;
  border: 1px solid rgba(239, 68, 68, 0.3);
  letter-spacing: 0.5px;
}

.news-date {
  font-size: 13px;
  color: #a07878;
}

.news-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-card p {
  font-size: 14px;
  color: #c9a7a7;
  line-height: 1.85;
  flex-grow: 1;
}

.news-card .news-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  transition: color 0.2s;
}

.news-card .news-link:hover {
  color: #fff;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  margin-bottom: 16px;
  padding: 0 24px;
  backdrop-filter: blur(10px);
  transition: box-shadow 0.3s ease;
}

.faq-item[open] {
  box-shadow: 0 0 24px rgba(239, 68, 68, 0.2);
}

.faq-item summary {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-strong);
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 24px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item .faq-answer {
  padding: 0 0 20px;
  font-size: 14px;
  color: #d8c0c0;
  line-height: 1.85;
  border-top: 1px solid rgba(239, 68, 68, 0.1);
  padding-top: 14px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: rgba(10, 3, 3, 0.9);
  border-top: 1px solid rgba(239, 68, 68, 0.3);
  margin-top: 60px;
  padding: 48px 0 24px;
  font-size: 14px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

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

.footer-grid p {
  color: #a07878;
  line-height: 1.8;
  margin-bottom: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(239, 68, 68, 0.15);
  padding-top: 20px;
  text-align: center;
  color: #8a6060;
  line-height: 1.9;
}

.footer-bottom a {
  color: #c9a7a7;
  transition: color 0.2s;
}

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

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .stats-grid,
  .events-grid,
  .highlights-list,
  .testimonials-grid,
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .advantages-grid,
  .news-list {
    grid-template-columns: 1fr;
  }
  
  .brand-story-wrap {
    flex-direction: column;
  }
  
  .hero-content h2 {
    font-size: 30px;
  }
  
  .geo-intro h1 {
    font-size: 28px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .stats-grid,
  .events-grid,
  .highlights-list,
  .testimonials-grid,
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    gap: 12px;
  }
  
  .nav-links a {
    font-size: 13px;
    padding: 6px 10px;
  }
  
  .section {
    padding: 48px 0;
  }
}