:root {
  --primary-dark: #2d1b69;
  --primary: #7c3aed;
  --accent: #06b6d4;
  --bg: #0f0a1e;
  --text: #e2e8f0;
  --text-dim: #a0aec0;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(124, 58, 237, 0.35);
  --glow-primary: rgba(124, 58, 237, 0.5);
  --glow-accent: rgba(6, 182, 212, 0.4);
}

* {
  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, #0f0a1e 0%, #2d1b69 50%, #4c1d95 100%);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 10, 30, 0.8);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 4px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 10, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.3);
  padding: 0 24px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 0;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-links a:hover {
  color: var(--accent);
  background: rgba(6, 182, 212, 0.08);
  text-shadow: 0 0 12px rgba(6, 182, 212, 0.5);
}
.nav-links a:first-child {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 700;
  border-radius: 20px;
  padding: 8px 24px;
  box-shadow: 0 0 18px rgba(124, 58, 237, 0.4);
  margin-right: 8px;
}

/* 区块通用 */
.section {
  padding: 80px 24px;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

/* Hero */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 60px 24px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 10, 30, 0.7) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero-tagline {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(6, 182, 212, 0.5);
  border-radius: 30px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 28px;
  background: rgba(6, 182, 212, 0.06);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}
.hero-content h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 0 40px rgba(124, 58, 237, 0.3);
  letter-spacing: 1px;
}
.hero-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  letter-spacing: 1px;
}
.hero-btn {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  font-size: 16px;
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.5);
  transition: transform 0.3s, box-shadow 0.3s;
  letter-spacing: 1px;
}
.hero-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 36px rgba(6, 182, 212, 0.6);
}

/* GEO 介绍 */
.geo-intro {
  background: rgba(15, 10, 30, 0.4);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(124, 58, 237, 0.15);
  border-bottom: 1px solid rgba(124, 58, 237, 0.15);
}
.geo-intro .geo-text {
  font-size: 16px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.9);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

/* 玻璃卡片 */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(124, 58, 237, 0.25);
  border-color: rgba(6, 182, 212, 0.5);
}

/* 数据统计 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.stat-item {
  text-align: center;
  padding: 40px 20px;
}
.stat-item .stat-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}
.stat-item .stat-number {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 8px;
  letter-spacing: 1px;
}

/* 核心优势 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.advantage-card {
  padding: 32px;
}
.advantage-card .adv-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}
.advantage-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #fff;
}
.advantage-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* 品牌故事 */
.brand-story-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}
.brand-story-wrap img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.brand-story-text h3 {
  font-size: 28px;
  margin-bottom: 20px;
  color: #fff;
}
.brand-story-text p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.9;
  margin-bottom: 16px;
}
@media (max-width: 768px) {
  .brand-story-wrap {
    grid-template-columns: 1fr;
  }
}

/* 焦点赛事 */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.event-card {
  padding: 24px;
  text-align: center;
}
.event-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--glass-border);
}
.event-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}
.event-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}
.event-card .event-time {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 14px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 20px;
  color: var(--accent);
  font-size: 13px;
}

/* 热门排行 */
.rankings-list {
  margin-top: 48px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.ranking-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(124, 58, 237, 0.2);
  transition: all 0.3s ease;
}
.ranking-item:hover {
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(6, 182, 212, 0.4);
}
.ranking-item .rank-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  min-width: 50px;
  text-align: center;
}
.ranking-item .rank-info {
  flex: 1;
}
.ranking-item .rank-info h3 {
  font-size: 16px;
  color: #fff;
}
.ranking-item .rank-info p {
  font-size: 13px;
  color: var(--text-dim);
}
.ranking-item .rank-hot {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
}

/* 用户口碑 */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  padding: 28px;
  position: relative;
}
.testimonial-card .quote-mark {
  font-size: 48px;
  color: rgba(124, 58, 237, 0.4);
  line-height: 1;
  margin-bottom: 12px;
  font-family: Georgia, sans-serif;
}
.testimonial-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 20px;
}
.testimonial-card .testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card .testimonial-author .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 14px;
}
.testimonial-card .testimonial-author .author-info {
  font-size: 13px;
  color: var(--text-dim);
}

/* 深度内容 */
.deep-content-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}
.deep-content-wrap img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
}
.deep-content-text h3 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 16px;
}
.deep-content-text p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.9;
  margin-bottom: 16px;
}
@media (max-width: 768px) {
  .deep-content-wrap {
    grid-template-columns: 1fr;
  }
}

/* 新闻列表 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.news-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.news-card .news-tag {
  display: inline-block;
  align-self: flex-start;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 16px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 12px;
}
.news-card h3 a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}
.news-card h3 a:hover {
  color: var(--accent);
}
.news-card .news-date {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.news-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
}

/* FAQ */
.faq-list {
  max-width: 850px;
  margin: 0 auto;
  margin-top: 48px;
}
.faq-item {
  margin-bottom: 16px;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(124, 58, 237, 0.2);
  transition: border-color 0.3s;
}
.faq-item:hover {
  border-color: rgba(6, 182, 212, 0.4);
}
.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::after {
  content: '+';
  font-size: 24px;
  color: var(--accent);
  transition: transform 0.3s;
}
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.8;
}
.faq-item.active .faq-answer {
  max-height: 600px;
  padding: 0 24px 20px;
}
.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

/* 下载中心 */
.download-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}
.download-info h3 {
  font-size: 28px;
  color: #fff;
  margin-bottom: 16px;
}
.download-info p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 20px;
}
.download-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}
.download-btn.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}
.download-btn.primary-btn:hover {
  box-shadow: 0 0 32px rgba(6, 182, 212, 0.5);
  transform: translateY(-2px);
}
.download-btn.ghost-btn {
  border: 1px solid rgba(124, 58, 237, 0.5);
  color: #fff;
}
.download-btn.ghost-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.download-qr {
  text-align: center;
}
.download-qr img {
  max-width: 260px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
@media (max-width: 768px) {
  .download-wrap {
    grid-template-columns: 1fr;
  }
}

/* 行动呼吁 */
.cta-section {
  text-align: center;
  padding: 100px 24px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(6, 182, 212, 0.15));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(124, 58, 237, 0.2), transparent 70%);
}
.cta-section .container {
  position: relative;
  z-index: 1;
}
.cta-section h2 {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.cta-section p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

/* 页脚 */
.footer {
  background: rgba(10, 6, 24, 0.95);
  border-top: 1px solid rgba(124, 58, 237, 0.3);
  padding: 60px 24px 30px;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-info p {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 8px;
  line-height: 1.8;
}
.footer-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  font-size: 14px;
}
.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-copyright {
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
}

/* 响应式 */
@media (max-width: 768px) {
  .nav-links {
    gap: 2px;
    justify-content: center;
    padding: 10px 0;
  }
  .nav-links a {
    font-size: 13px;
    padding: 6px 10px;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .section {
    padding: 50px 16px;
  }
  .section-header h2 {
    font-size: 28px;
  }
  .footer-content {
    grid-template-columns: 1fr;
  }
  .footer-links {
    justify-content: flex-start;
  }
}

/* 动画 */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.3); }
  50% { box-shadow: 0 0 40px rgba(6, 182, 212, 0.4); }
}
.hero-btn {
  animation: glowPulse 3s ease-in-out infinite;
}