* {
  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;
}
body {
  background: linear-gradient(135deg, #0a0a0a 0%, #1a0b2e 40%, #2d1b69 100%);
  color: #e2e8f0;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航 */
.navbar {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(34, 211, 238, 0.2);
  padding: 14px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img {
  height: 36px;
  width: auto;
  display: block;
}
.logo span {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(90deg, #22d3ee, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: #cbd5e1;
  text-decoration: none;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  letter-spacing: 0.3px;
}
.nav-links a:hover {
  color: #22d3ee;
  background: rgba(34, 211, 238, 0.1);
  text-shadow: 0 0 15px rgba(34, 211, 238, 0.6);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.15);
}

/* Hero */
.hero {
  position: relative;
  padding: 120px 0 80px;
  text-align: center;
  background: radial-gradient(ellipse at top, rgba(45, 27, 105, 0.6) 0%, transparent 60%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -20%;
  width: 70%;
  height: 80%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.15), transparent 60%);
  animation: float 8s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  right: -20%;
  width: 60%;
  height: 70%;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.12), transparent 60%);
  animation: float 10s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}
@keyframes float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(30px) scale(1.1); }
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 20px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 30%, #22d3ee 70%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
  line-height: 1.3;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero .sub {
  font-size: 18px;
  color: #94a3b8;
  max-width: 720px;
  margin: 0 auto 40px;
}
.hero .cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero .btn-primary {
  background: linear-gradient(135deg, #ec4899, #2d1b69);
  color: #fff;
  border: none;
  padding: 14px 40px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 0 30px rgba(236, 72, 153, 0.3);
}
.hero .btn-primary:hover {
  box-shadow: 0 0 50px rgba(236, 72, 153, 0.6);
  transform: translateY(-2px);
}
.hero .btn-secondary {
  background: rgba(34, 211, 238, 0.1);
  color: #22d3ee;
  border: 1px solid rgba(34, 211, 238, 0.3);
  padding: 14px 40px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}
.hero .btn-secondary:hover {
  background: rgba(34, 211, 238, 0.2);
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.2);
  transform: translateY(-2px);
}

/* GEO */
.geo-intro {
  padding: 60px 0 30px;
  position: relative;
}
.geo-box {
  background: linear-gradient(135deg, rgba(20, 20, 30, 0.7), rgba(45, 27, 105, 0.4));
  border: 1px solid rgba(34, 211, 238, 0.15);
  border-radius: 20px;
  padding: 36px 40px;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}
.geo-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #22d3ee, #ec4899, transparent);
  animation: slideBar 3s linear infinite;
}
@keyframes slideBar {
  0% { transform: translateX(-20%); }
  100% { transform: translateX(20%); }
}
.geo-box p {
  font-size: 16px;
  line-height: 1.9;
  color: #cbd5e1;
}

/* 数据统计 */
.stats-section {
  padding: 60px 0;
  background: rgba(10, 10, 10, 0.4);
  backdrop-filter: blur(5px);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: linear-gradient(160deg, rgba(30, 20, 50, 0.6), rgba(10, 10, 20, 0.8));
  border: 1px solid rgba(34, 211, 238, 0.1);
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #22d3ee, #ec4899);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.stat-card:hover::after {
  transform: scaleX(1);
}
.stat-card:hover {
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.15);
  transform: translateY(-4px);
}
.stat-icon {
  font-size: 40px;
  margin-bottom: 14px;
}
.stat-number {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #22d3ee, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  font-size: 14px;
  color: #94a3b8;
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 核心优势 */
.advantages {
  padding: 70px 0;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, #22d3ee, #ec4899);
  margin: 12px auto 0;
  border-radius: 2px;
}
.adv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.adv-card {
  background: linear-gradient(135deg, rgba(30, 20, 50, 0.6), rgba(20, 20, 40, 0.5));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.4s;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.2), transparent 70%);
  border-radius: 50%;
  transition: transform 0.4s;
}
.adv-card:hover::before {
  transform: scale(3);
}
.adv-card:hover {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: 0 0 50px rgba(34, 211, 238, 0.1);
}
.adv-icon {
  font-size: 42px;
  flex-shrink: 0;
  color: #22d3ee;
}
.adv-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.adv-card p {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.7;
}

/* 品牌故事 */
.story {
  padding: 70px 0;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.3), rgba(45, 27, 105, 0.15));
}
.story-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.story-img {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.15);
  position: relative;
}
.story-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 24px;
}
.story-text h2 {
  font-size: 32px;
  margin-bottom: 20px;
  position: relative;
}
.story-text p {
  font-size: 15px;
  line-height: 1.9;
  color: #cbd5e1;
  margin-bottom: 16px;
}
.story-text .highlight {
  color: #22d3ee;
  font-weight: 600;
}

/* 新闻 */
.news-section {
  padding: 70px 0;
  background: rgba(10, 10, 10, 0.2);
}
.news-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}
.news-header a {
  color: #22d3ee;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(34, 211, 238, 0.3);
  padding: 8px 20px;
  border-radius: 50px;
  transition: all 0.3s;
}
.news-header a:hover {
  background: rgba(34, 211, 238, 0.1);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  background: linear-gradient(160deg, rgba(30, 20, 50, 0.5), rgba(15, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.4s;
  position: relative;
}
.news-card:hover {
  border-color: rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.08);
  transform: translateY(-3px);
}
.news-card .tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(236, 72, 153, 0.2));
  color: #22d3ee;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-decoration: none;
  letter-spacing: 0.5px;
}
.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  color: #f1f5f9;
}
.news-card h3 a {
  color: inherit;
  text-decoration: none;
}
.news-card h3 a:hover {
  color: #22d3ee;
}
.news-card .date {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 12px;
}
.news-card p {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 14px;
}
.news-card .read-more {
  font-size: 14px;
  color: #22d3ee;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}
.news-card .read-more:hover {
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}

/* 热门排行 */
.rankings {
  padding: 70px 0;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.2), rgba(45, 27, 105, 0.2));
}
.rank-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.rank-card {
  background: linear-gradient(135deg, rgba(30, 20, 50, 0.4), rgba(10, 10, 20, 0.6));
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 28px;
}
.rank-card h3 {
  font-size: 20px;
  margin-bottom: 18px;
  color: #f1f5f9;
  text-align: center;
}
.rank-item {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.rank-item:last-child {
  border-bottom: none;
}
.rank-item .rank-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #22d3ee, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  margin-right: 14px;
  flex-shrink: 0;
}
.rank-item .rank-name {
  flex: 1;
  font-weight: 500;
  color: #cbd5e1;
}
.rank-item .rank-score {
  color: #22d3ee;
  font-weight: 600;
  font-size: 14px;
}

/* 用户口碑 */
.testimonials {
  padding: 70px 0;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: linear-gradient(160deg, rgba(30, 20, 50, 0.5), rgba(15, 15, 30, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  transition: all 0.3s;
}
.testimonial-card:hover {
  border-color: rgba(236, 72, 153, 0.3);
  box-shadow: 0 0 40px rgba(236, 72, 153, 0.08);
}
.testimonial-card .avatar {
  font-size: 48px;
  margin-bottom: 12px;
}
.testimonial-card .stars {
  color: #fbbf24;
  margin-bottom: 12px;
  font-size: 16px;
}
.testimonial-card p {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.7;
  font-style: italic;
}
.testimonial-card .user {
  margin-top: 14px;
  font-weight: 600;
  color: #e2e8f0;
  font-size: 14px;
}

/* FAQ */
.faq-section {
  padding: 70px 0;
  background: rgba(10, 10, 10, 0.3);
}
.faq-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.faq-item {
  background: linear-gradient(135deg, rgba(30, 20, 50, 0.5), rgba(15, 15, 30, 0.6));
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: rgba(34, 211, 238, 0.2);
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.05);
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #f1f5f9;
}
.faq-item p {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.7;
}

/* 下载中心 */
.app-download {
  padding: 70px 0;
  background: linear-gradient(135deg, rgba(45, 27, 105, 0.4), rgba(10, 10, 10, 0.5));
  text-align: center;
}
.app-inner {
  max-width: 600px;
  margin: 0 auto;
}
.app-inner h2 {
  font-size: 32px;
  margin-bottom: 14px;
}
.app-inner p {
  color: #94a3b8;
  margin-bottom: 30px;
  font-size: 16px;
}
.app-btn {
  display: inline-block;
  background: linear-gradient(135deg, #22d3ee, #ec4899);
  color: #fff;
  padding: 16px 44px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: all 0.3s;
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.2);
}
.app-btn:hover {
  box-shadow: 0 0 60px rgba(236, 72, 153, 0.4);
  transform: translateY(-3px);
}

/* 页脚 */
.footer {
  background: #0a0a0a;
  border-top: 1px solid rgba(34, 211, 238, 0.1);
  padding: 60px 0 0;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #22d3ee, #ec4899, transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: #f1f5f9;
}
.footer p, .footer a {
  font-size: 14px;
  color: #94a3b8;
  text-decoration: none;
  line-height: 1.8;
}
.footer a:hover {
  color: #22d3ee;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  font-size: 14px;
  color: #64748b;
}
.footer-bottom a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  margin: 0 6px;
}
.footer-bottom a:hover {
  color: #22d3ee;
}

/* 响应式 */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 14px 20px;
    gap: 10px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero h1 {
    font-size: 28px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .adv-grid, .story-inner, .news-grid, .rank-grid, .testimonials-grid, .faq-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 80px 0 60px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}