* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #E6EBF2;
  color: #243447;
  line-height: 1.72;
  padding-top: 82px;
}
a { color: inherit; text-decoration: none; }
img { display: block; }
.no-scroll { overflow: hidden; }
.site-header {
  background: #F5F7FB;
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(40,156,255,0.14);
  box-shadow: 0 10px 28px rgba(36,52,71,0.08);
}
.header-inner {
  max-width: 1220px;
  height: 82px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand-link { display: flex; align-items: center; flex: 0 0 auto; }
.site-logo { width: 156px; height: auto; max-height: 54px; object-fit: contain; }
.nav { display: flex; align-items: center; justify-content: center; gap: 2px; flex: 1 1 auto; }
.nav a {
  color: #4E5F7A;
  font-size: 15px;
  font-weight: 700;
  padding: 9px 10px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
  white-space: nowrap;
}
.nav a:hover, .nav a.active { color: #289CFF; background: rgba(40,156,255,0.10); transform: translateY(-1px); }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
  color: #FFFFFF;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(36,155,255,0.28);
  border: 0;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(36,155,255,0.34); }
.header-btn { flex: 0 0 auto; }
.menu-toggle { display: none; width: 46px; height: 46px; border: 0; border-radius: 14px; background: #FFFFFF; box-shadow: 0 8px 18px rgba(36,52,71,.10); padding: 11px; }
.menu-toggle span { display: block; height: 3px; border-radius: 4px; background: #289CFF; margin: 5px 0; }
.drawer-mask { display: none; position: fixed; inset: 0; background: rgba(23,37,55,.44); z-index: 1100; }
.drawer-mask.show { display: block; }
.mobile-drawer {
  position: fixed;
  z-index: 1110;
  top: 0;
  right: -330px;
  width: 310px;
  max-width: 86vw;
  height: 100vh;
  background: #F5F7FB;
  box-shadow: -22px 0 42px rgba(36,52,71,.18);
  transition: right .25s ease;
  padding: 18px;
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.drawer-brand img { width: 145px; height: auto; object-fit: contain; }
.drawer-close { border: 0; background: #FFFFFF; color: #289CFF; border-radius: 14px; font-size: 28px; width: 42px; height: 42px; line-height: 42px; }
.drawer-nav { display: grid; gap: 8px; }
.drawer-nav a { color: #4E5F7A; background: #FFFFFF; border: 1px solid rgba(40,156,255,.12); border-radius: 14px; padding: 12px 14px; font-weight: 800; }
.drawer-nav a.active { color: #289CFF; border-color: rgba(40,156,255,.38); }
.drawer-btn { width: 100%; margin-top: 18px; }
.page-main { min-height: 68vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { margin: 38px auto; }
h1, h2, h3, .section-title { color: #289CFF; line-height: 1.25; }
h1 { font-size: clamp(34px, 5vw, 58px); margin: 0 0 18px; letter-spacing: -1px; }
h2, .section-title { font-size: clamp(26px, 3vw, 38px); margin: 0 0 16px; }
h3 { font-size: 21px; margin: 0 0 10px; }
p { margin: 0 0 14px; }
.lead { font-size: 18px; color: #4E5F7A; max-width: 850px; }
.muted { color: #66788A; }
.small-note { color: #8A9AAF; font-size: 14px; }
.eyebrow { color: #289CFF; font-weight: 900; letter-spacing: .08em; margin-bottom: 10px; }
.banner-slider {
  max-width: 1200px;
  margin: 28px auto 36px;
  border-radius: 20px;
  background: #FFFFFF;
  box-shadow: 0 18px 40px rgba(56,92,138,0.12);
  overflow: hidden;
  position: relative;
}
.slider-track { position: relative; height: clamp(260px, 45vw, 520px); background: #FFFFFF; }
.slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .45s ease, visibility .45s ease; }
.slide.active { opacity: 1; visibility: visible; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #FFFFFF; }
.slide-copy {
  position: absolute;
  left: clamp(18px, 5vw, 56px);
  bottom: clamp(18px, 5vw, 50px);
  max-width: 440px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(245,247,251,.86);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(36,52,71,.12);
}
.slide-copy strong { color: #289CFF; display: block; font-size: clamp(22px, 3vw, 32px); line-height: 1.25; margin-bottom: 8px; }
.slide-copy span { color: #4E5F7A; font-weight: 700; }
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  color: #289CFF;
  background: rgba(255,255,255,.88);
  font-size: 30px;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(36,52,71,.14);
}
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-dots { position: absolute; left: 0; right: 0; bottom: 16px; display: flex; justify-content: center; gap: 10px; }
.slider-dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(78,95,122,.38); cursor: pointer; }
.slider-dots button.active { width: 28px; border-radius: 999px; background: #289CFF; }
.card, .zone-card, .info-card, .review-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(40,156,255,0.16);
  box-shadow: 0 14px 36px rgba(56,92,138,0.10);
  border-radius: 22px;
}
.card, .info-card, .review-card { padding: 24px; }
.grid { display: grid; gap: 20px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.hero-panel {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 26px;
  align-items: center;
  padding: 30px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(40,156,255,.14);
  border-radius: 28px;
  box-shadow: 0 18px 45px rgba(56,92,138,.10);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 20px; }
.text-link { color: #289CFF; font-weight: 900; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: '›'; font-size: 22px; line-height: 1; }
.content-img, .zone-card img, .app-section img, .banner-slider img { max-width: 100%; height: auto; }
.content-img {
  width: 100%;
  max-height: 390px;
  object-fit: contain;
  background: #FFFFFF;
  border-radius: 22px;
  box-shadow: 0 18px 36px rgba(56,92,138,.10);
}
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; height: 220px; object-fit: contain; background: #FFFFFF; padding: 8px; }
.zone-card .zone-body { padding: 22px; }
.category-card { min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 0; }
.tag-list span { color: #289CFF; background: rgba(40,156,255,.10); border: 1px solid rgba(40,156,255,.18); border-radius: 999px; padding: 7px 12px; font-weight: 800; }
.step-list { counter-reset: step; display: grid; gap: 16px; }
.step-list .card { position: relative; padding-left: 70px; min-height: 120px; }
.step-list .card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 24px;
  color: #289CFF;
  font-weight: 900;
  font-size: 22px;
}
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.feature-list li { position: relative; padding-left: 24px; color: #4E5F7A; }
.feature-list li::before { content: ''; position: absolute; left: 0; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: #289CFF; box-shadow: 0 0 0 5px rgba(40,156,255,.12); }
.review-card p { color: #4E5F7A; }
.review-card strong { color: #289CFF; display: block; margin-bottom: 8px; }
.notice-band {
  background: #DDE4EE;
  border: 1px solid rgba(40,156,255,.18);
  border-radius: 24px;
  padding: 24px;
  color: #4E5F7A;
}
.faq-list { display: grid; gap: 14px; }
.faq-item { background: #FFFFFF; border: 1px solid rgba(40,156,255,.14); border-radius: 18px; padding: 22px; box-shadow: 0 10px 28px rgba(56,92,138,.08); }
.faq-item h3 { font-size: 19px; }
.page-hero { margin: 28px auto 38px; }
.page-hero .hero-panel { min-height: 360px; }
.breadcrumb { color: #66788A; font-weight: 700; margin-bottom: 14px; }
.breadcrumb a { color: #289CFF; }
.table-card { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 15px 16px; border-bottom: 1px solid rgba(40,156,255,.12); text-align: left; vertical-align: top; }
th { color: #289CFF; background: #F5F7FB; }
td { color: #4E5F7A; }
.site-footer { background: #243447; color: #EAF3FF; margin-top: 56px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 44px 20px 28px; display: grid; grid-template-columns: 1.05fr 1.6fr; gap: 32px; }
.footer-brand img { width: 160px; height: auto; object-fit: contain; margin-bottom: 18px; }
.footer-brand p { color: #EAF3FF; opacity: .9; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.footer-links h3 { color: #EAF3FF; font-size: 18px; }
.footer-links a { display: block; color: #EAF3FF; opacity: .86; margin: 8px 0; }
.footer-links a:hover { opacity: 1; color: #7fd2ff; }
.footer-notice { max-width: 1200px; margin: 0 auto; padding: 0 20px 22px; color: #EAF3FF; opacity: .9; }
.copyright { border-top: 1px solid rgba(234,243,255,.16); text-align: center; padding: 16px 20px 22px; color: #EAF3FF; opacity: .78; }
@media (max-width: 1080px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
  .header-inner { justify-content: space-between; }
  .header-btn { margin-left: auto; }
  .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-panel { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body { padding-top: 72px; }
  .header-inner { height: 72px; padding: 0 14px; }
  .site-logo { width: 132px; }
  .header-btn { padding: 0 18px; min-height: 40px; }
  .container { padding: 0 14px; }
  .banner-slider { margin: 18px 14px 28px; border-radius: 16px; }
  .slider-track { height: 300px; }
  .slide-copy { left: 14px; right: 14px; bottom: 46px; padding: 14px; }
  .slider-arrow { width: 38px; height: 38px; font-size: 26px; }
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .hero-panel { padding: 20px; border-radius: 22px; }
  .card, .info-card, .review-card { padding: 20px; }
  .zone-card img { height: 190px; }
  .step-list .card { padding-left: 58px; }
  .step-list .card::before { left: 18px; font-size: 20px; }
  .footer-links { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .header-btn { display: none; }
  .slider-track { height: 260px; }
  .slide-copy strong { font-size: 20px; }
  .slide-copy span { font-size: 14px; }
}