*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #0b1a2e 40%, #123b44 100%);
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6, p, a, span, div, section, article, footer, nav, header, ul, li, button, input, textarea {
  font-family: inherit;
}
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
img { max-width: 100%; display: block; border-radius: 12px; }
ul { list-style: none; }

/* 导航 */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
  background: rgba(10, 15, 30, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(20, 184, 166, 0.25);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.nav-links {
  max-width: 1280px; margin: 0 auto; display: flex;
  justify-content: center; align-items: center;
  gap: 28px; padding: 14px 24px;
}
.nav-links a {
  color: #cbd5e1; font-size: 15px; font-weight: 600;
  letter-spacing: 0.5px; padding: 6px 12px; border-radius: 20px;
}
.nav-links a:hover {
  color: #14b8a6; background: rgba(20, 184, 166, 0.12);
  transform: translateY(-1px);
}

/* H1 */
.main-h1 {
  text-align: center; padding: 110px 20px 10px;
  font-size: 44px; font-weight: 700; line-height: 1.3;
  background: linear-gradient(135deg, #14b8a6 0%, #38bdf8 45%, #a78bfa 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; text-shadow: 0 0 40px rgba(20, 184, 166, 0.18);
}

/* 通用section */
.section {
  max-width: 1280px; margin: 0 auto; padding: 60px 24px;
  position: relative;
}
.section-title {
  font-size: 30px; text-align: center; margin-bottom: 36px;
  font-weight: 600; letter-spacing: 1px;
  background: linear-gradient(90deg, #14b8a6, #38bdf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.section-sub {
  text-align: center; color: #94a3b8; font-size: 15px;
  margin-top: -24px; margin-bottom: 32px;
}

/* GEO介绍 */
.geo-section {
  max-width: 1100px; margin: 0 auto; padding: 40px 24px 20px;
}
.geo-section p {
  font-size: 16px; color: #b6c2d4; line-height: 1.85;
  text-align: justify; background: rgba(15, 23, 42, 0.4);
  border-left: 3px solid #14b8a6; border-radius: 0 12px 12px 0;
  padding: 20px 24px; backdrop-filter: blur(8px);
}

/* Hero */
.hero { padding-top: 10px; }
.hero-container {
  position: relative; border-radius: 18px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.hero-bg { width: 100%; height: 460px; object-fit: cover; opacity: 0.65; }
.hero-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  background: linear-gradient(180deg, rgba(15,23,42,0.3) 0%, rgba(15,23,42,0.72) 100%);
  text-align: center; padding: 24px;
}
.hero-overlay h2 {
  font-size: 40px; font-weight: 700; margin-bottom: 12px;
  background: linear-gradient(90deg, #5eead4, #38bdf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-overlay p {
  color: #e2e8f0; font-size: 18px; margin-bottom: 28px;
  letter-spacing: 1px;
}
.hero-btn {
  display: inline-block; padding: 13px 38px; font-size: 16px; font-weight: 600;
  color: #fff; background: linear-gradient(135deg, #14b8a6, #0d9488);
  border-radius: 30px; box-shadow: 0 8px 25px rgba(20, 184, 166, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(20, 184, 166, 0.5); }

/* 数据统计 */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.stat-card {
  text-align: center; padding: 32px 18px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(20,184,166,0.14), rgba(15,23,42,0.5));
  border: 1px solid rgba(20,184,166,0.22);
  backdrop-filter: blur(12px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.stat-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(20, 184, 166, 0.15); }
.stat-num {
  font-size: 40px; font-weight: 800; color: #14b8a6;
  background: linear-gradient(135deg, #14b8a6, #38bdf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 15px; color: #94a3b8; margin-top: 8px; }

/* 核心优势 */
.features-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.feature-card {
  display: flex; gap: 20px; padding: 28px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(20,184,166,0.1), rgba(15,23,42,0.45));
  border: 1px solid rgba(20,184,166,0.15);
  transition: all 0.35s ease;
}
.feature-card:hover { border-color: rgba(20,184,166,0.4); transform: translateY(-3px); }
.feature-icon { font-size: 36px; flex-shrink: 0; }
.feature-content h3 { font-size: 20px; color: #5eead4; margin-bottom: 8px; }
.feature-content p { font-size: 14px; color: #94a3b8; line-height: 1.7; }

/* 品牌故事 */
.story-wrap {
  display: flex; gap: 36px; align-items: center; flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(15,23,42,0.6), rgba(20,184,166,0.08));
  border-radius: 18px; padding: 36px; border: 1px solid rgba(20,184,166,0.15);
}
.story-wrap img { width: 420px; height: 280px; object-fit: cover; border-radius: 16px; flex-shrink: 0; }
.story-text { flex: 1; min-width: 280px; }
.story-text h3 { color: #5eead4; font-size: 22px; margin-bottom: 14px; }
.story-text p { color: #a8b6c7; font-size: 15px; line-height: 1.8; }

/* 服务覆盖 */
.coverage-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.coverage-item {
  text-align: center; padding: 26px 14px; border-radius: 14px;
  background: rgba(15, 23, 42, 0.45); border: 1px solid rgba(20,184,166,0.15);
  transition: all 0.3s ease;
}
.coverage-item:hover { background: rgba(20, 184, 166, 0.12); }
.coverage-item span { font-size: 30px; display: block; margin-bottom: 8px; }
.coverage-item p { font-size: 14px; color: #94a3b8; }

/* 下载中心 */
.download-wrap {
  display: flex; gap: 40px; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(20,184,166,0.12), rgba(15,23,42,0.5));
  border-radius: 18px; padding: 40px; flex-wrap: wrap;
  border: 1px solid rgba(20,184,166,0.2);
}
.download-text { text-align: center; flex: 1; min-width: 260px; }
.download-text h3 { color: #5eead4; font-size: 24px; margin-bottom: 12px; }
.download-text p { color: #94a3b8; font-size: 15px; margin-bottom: 24px; }
.download-img { width: 280px; height: auto; border-radius: 16px; }
.download-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.download-btn {
  padding: 12px 30px; border-radius: 30px; font-size: 15px; font-weight: 600;
  color: #fff; background: linear-gradient(135deg, #14b8a6, #0d9488);
  box-shadow: 0 6px 20px rgba(20,184,166,0.25); border: 1px solid rgba(255,255,255,0.08);
}
.download-btn.alt { background: linear-gradient(135deg, #7c3aed, #6d28d9); }
.download-btn:hover { transform: translateY(-3px); }

/* 游戏推荐 */
.recommend-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.recommend-card {
  border-radius: 16px; overflow: hidden; text-align: center;
  background: linear-gradient(135deg, rgba(15,23,42,0.6), rgba(20,184,166,0.05));
  border: 1px solid rgba(20,184,166,0.15);
  transition: all 0.35s ease; padding-bottom: 20px;
}
.recommend-card:hover { transform: translateY(-6px); border-color: rgba(20,184,166,0.4); }
.recommend-card img { width: 100%; height: 180px; object-fit: cover; }
.recommend-card h3 { font-size: 18px; color: #e2e8f0; margin: 16px 12px 8px; }
.recommend-card p { font-size: 14px; color: #94a3b8; padding: 0 12px; }

/* 用户口碑 */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial-card {
  padding: 28px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(20,184,166,0.1), rgba(15,23,42,0.5));
  border: 1px solid rgba(20,184,166,0.15);
  transition: transform 0.3s ease;
}
.testimonial-card:hover { transform: translateY(-4px); }
.testimonial-card .stars { color: #fbbf24; font-size: 18px; margin-bottom: 12px; }
.testimonial-card p { color: #b6c2d4; font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.testimonial-card .user { color: #5eead4; font-size: 14px; font-weight: 600; }

/* 新闻 */
.news-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.news-card {
  border-radius: 16px; padding: 26px; position: relative;
  background: linear-gradient(135deg, rgba(15,23,42,0.7), rgba(20,184,166,0.04));
  border: 1px solid rgba(20,184,166,0.15);
  transition: all 0.35s ease;
  overflow: hidden;
}
.news-card::after {
  content: ""; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, #14b8a6, transparent);
  transition: left 0.5s ease;
}
.news-card:hover::after { left: 100%; }
.news-card:hover { border-color: rgba(20,184,166,0.3); transform: translateY(-3px); }
.news-date {
  display: inline-block; font-size: 13px; color: #38bdf8;
  background: rgba(20, 184, 166, 0.12); padding: 4px 14px;
  border-radius: 16px; margin-bottom: 12px; letter-spacing: 0.5px;
  border: 1px solid rgba(20,184,166,0.2);
}
.news-card h3 { font-size: 18px; color: #e2e8f0; margin-bottom: 10px; line-height: 1.5; }
.news-card p { font-size: 14px; color: #94a3b8; line-height: 1.75; }
.news-more {
  display: inline-block; margin-top: 14px; font-size: 14px; color: #14b8a6; font-weight: 600;
}
.news-more:hover { color: #5eead4; }

/* FAQ */
.faq-list { max-width: 980px; margin: 0 auto; }
.faq-item {
  margin-bottom: 20px; border-radius: 14px; padding: 24px 28px;
  background: linear-gradient(135deg, rgba(15,23,42,0.6), rgba(20,184,166,0.04));
  border: 1px solid rgba(20,184,166,0.12);
  transition: border-color 0.3s ease;
}
.faq-item:hover { border-color: rgba(20,184,166,0.3); }
.faq-item h3 { color: #5eead4; font-size: 16px; margin-bottom: 10px; }
.faq-item p { color: #94a3b8; font-size: 14px; line-height: 1.75; }

/* 页脚 */
.footer {
  background: rgba(10, 15, 30, 0.92);
  border-top: 1px solid rgba(20,184,166,0.2);
  padding: 50px 24px 24px; margin-top: 40px;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto; display: flex;
  flex-wrap: wrap; gap: 40px; justify-content: space-between;
}
.footer-col h4 {
  color: #5eead4; font-size: 16px; margin-bottom: 16px;
}
.footer-col p { color: #94a3b8; font-size: 14px; line-height: 1.8; }
.footer-bottom {
  max-width: 1280px; margin: 40px auto 0;
  padding-top: 24px; border-top: 1px solid rgba(148, 163, 184, 0.15);
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center;
}
.footer-bottom a { color: #94a3b8; font-size: 14px; }
.footer-bottom a:hover { color: #14b8a6; }
.footer-bottom .copyright { color: #64748b; font-size: 14px; }

/* 响应式 */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid, .news-grid { grid-template-columns: 1fr; }
  .testimonials-grid, .recommend-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
  .story-wrap { flex-direction: column; }
  .story-wrap img { width: 100%; height: auto; }
  .nav-links { gap: 14px; flex-wrap: wrap; }
  .nav-links a { font-size: 13px; padding: 4px 8px; }
  .main-h1 { font-size: 30px; padding-top: 110px; }
  .hero-overlay h2 { font-size: 28px; }
  .hero-bg { height: 320px; }
}