:root {
  --bg: #E6EBF2;
  --surface: #FFFFFF;
  --surface-soft: #F5F7FB;
  --surface-muted: #EEF2F7;
  --surface-deep: #DDE4EE;
  --primary: #289CFF;
  --nav: #4E5F7A;
  --text: #243447;
  --muted: #66788A;
  --hint: #8A9AAF;
  --border: rgba(40,156,255,0.16);
  --shadow: 0 14px 36px rgba(56,92,138,0.12);
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(245,247,251,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.logo img { max-height: 52px; width: auto; }
.nav-wrap { flex: 1 1 auto; min-width: 0; display: flex; justify-content: center; }
.nav { display: flex; align-items: center; gap: 20px; white-space: nowrap; flex-wrap: nowrap; }
.nav > a, .dropdown-toggle {
  position: relative;
  border: 0;
  background: transparent;
  color: var(--nav);
  font-weight: 700;
  padding: 25px 0 22px;
  line-height: 1;
}
.nav > a::after, .dropdown::after, .more-dropdown::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 999px;
  transition: .2s ease;
}
.nav > a:hover, .nav > a.active, .dropdown:hover > .dropdown-toggle, .more-dropdown:hover > .dropdown-toggle,
.dropdown.active > .dropdown-toggle, .more-dropdown.active > .dropdown-toggle { color: var(--primary); }
.nav > a:hover::after, .nav > a.active::after, .dropdown:hover::after, .more-dropdown:hover::after,
.dropdown.active::after, .more-dropdown.active::after { left: 0; right: 0; }
.header-action { flex: 0 0 auto; display: flex; align-items: center; }
.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 10px 24px rgba(36,155,255,0.25);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.main-btn:hover {
  color: #FFFFFF;
  background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(36,155,255,0.30);
}
.dropdown, .more-dropdown { position: relative; }
.dropdown-menu, .more-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 190px;
  padding: 8px;
  background: #FFFFFF;
  border: 1px solid rgba(40,156,255,0.12);
  border-radius: 14px;
  box-shadow: 0 18px 38px rgba(56,92,138,0.16);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: .18s ease;
}
.more-menu { left: auto; right: -12px; transform: translate(0, 8px); }
.dropdown:hover .dropdown-menu, .more-dropdown:hover .more-menu,
.dropdown.open .dropdown-menu, .more-dropdown.open .more-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.more-dropdown:hover .more-menu, .more-dropdown.open .more-menu { transform: translate(0, 0); }
.dropdown-menu a, .more-menu a {
  display: block;
  padding: 11px 14px;
  color: var(--nav);
  border-radius: 10px;
  white-space: nowrap;
}
.dropdown-menu a:hover, .more-menu a:hover { color: var(--primary); background: rgba(40,156,255,0.08); }
.mobile-menu-btn { display: none; width: 42px; height: 42px; border: 0; border-radius: 12px; background: #FFFFFF; padding: 10px; }
.mobile-menu-btn span { display: block; width: 100%; height: 2px; margin: 4px 0; background: var(--nav); border-radius: 99px; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10001; background: rgba(20,35,52,.45); opacity: 0; transition: .22s ease; }
.drawer-overlay.show { opacity: 1; }
.mobile-drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10002;
  width: min(84vw, 320px);
  background: #FFFFFF;
  transform: translateX(-105%);
  transition: transform .25s ease;
  box-shadow: 20px 0 50px rgba(23,50,80,.18);
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; padding: 10px 18px; border-bottom: 1px solid var(--border); }
.drawer-logo img { max-height: 46px; width: auto; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--surface-muted); color: var(--nav); font-size: 28px; line-height: 1; }
.drawer-nav { padding: 12px; }
.drawer-nav a { display: block; padding: 11px 14px; color: var(--nav); border-radius: 10px; font-weight: 700; }
.drawer-nav a:hover { color: var(--primary); background: rgba(40,156,255,0.08); }
.site-main { min-height: 65vh; }
.banner-slider {
  width: min(1200px, calc(100% - 40px));
  margin: 28px auto 36px;
  border-radius: 20px;
  background: #FFFFFF;
  box-shadow: 0 18px 40px rgba(56,92,138,0.12);
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.banner-slide { display: none; }
.banner-slide.active { display: block; animation: fadeIn .35s ease; }
.banner-slider img { width: 100%; height: auto; object-fit: contain; background: #FFFFFF; }
.banner-caption, .banner-text, .slide-title, .slide-desc, .slide-content, .slide-card, .banner-card { display: none !important; }
.slider-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.88);
  color: var(--text);
  font-size: 28px;
  line-height: 1;
  transform: translateY(-50%);
  box-shadow: 0 8px 22px rgba(36,52,71,.15);
}
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; z-index: 3; left: 50%; bottom: 14px; display: flex; gap: 8px; transform: translateX(-50%); }
.slider-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.65); box-shadow: 0 0 0 1px rgba(36,52,71,.16); }
.slider-dot.active { width: 24px; border-radius: 999px; background: #289CFF; }
@keyframes fadeIn { from { opacity: .35; } to { opacity: 1; } }
.section { padding: 34px 0; }
.section.alt { background: rgba(245,247,251,.72); border-top: 1px solid rgba(40,156,255,.08); border-bottom: 1px solid rgba(40,156,255,.08); }
.section-head { max-width: 760px; margin: 0 auto 22px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px; border-radius: 999px; color: var(--primary); background: rgba(40,156,255,.10); font-weight: 800; font-size: 14px; }
h1, h2, h3, .section-title { color: var(--primary); line-height: 1.3; }
h1 { margin: 12px 0 14px; font-size: clamp(30px, 4vw, 52px); }
h2 { margin: 0 0 12px; font-size: clamp(24px, 3vw, 36px); }
h3 { margin: 0 0 8px; font-size: 20px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 18px; }
.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: 30px;
  align-items: center;
  margin-top: 28px;
  padding: clamp(24px, 4vw, 44px);
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-copy .main-btn { margin-top: 8px; }
.hero-image { border-radius: 18px; overflow: hidden; background: var(--surface-soft); }
.hero-image img { width: 100%; height: auto; object-fit: contain; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(40,156,255,0.16);
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}
.card, .info-card, .review-card, .notice-card { padding: 22px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; height: auto; object-fit: contain; background: var(--surface-soft); }
.zone-card .zone-body { padding: 20px; }
.card p, .zone-card p, .review-card p, .info-card p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(3px); }
.feature-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.feature-list li { position: relative; padding-left: 28px; color: var(--muted); }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(40,156,255,.10); }
.number-card { position: relative; padding-top: 52px; }
.number-badge { position: absolute; left: 22px; top: 20px; color: var(--primary); font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.media-row { display: grid; grid-template-columns: .95fr 1.05fr; gap: 24px; align-items: center; }
.media-row.reverse { grid-template-columns: 1.05fr .95fr; }
.media-row.reverse .media-image { order: 2; }
.media-image { overflow: hidden; border-radius: 20px; background: #FFFFFF; box-shadow: var(--shadow); border: 1px solid var(--border); }
.media-image img { width: 100%; height: auto; object-fit: contain; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-question { width: 100%; border: 0; background: transparent; color: var(--text); padding: 18px 20px; text-align: left; font-weight: 800; display: flex; justify-content: space-between; gap: 16px; }
.faq-answer { padding: 0 20px 18px; color: var(--muted); }
.review-card { position: relative; padding-top: 48px; }
.review-card::before { content: "“"; position: absolute; left: 20px; top: 8px; color: rgba(40,156,255,.22); font-size: 58px; font-family: Georgia, serif; line-height: 1; }
.review-meta { margin-top: 12px; color: var(--hint); font-size: 14px; }
.notice-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.notice-card h3 { font-size: 18px; }
.page-hero { padding: 42px 0 18px; }
.page-hero .hero-panel { margin-top: 0; }
.breadcrumb { color: var(--hint); font-size: 14px; margin-bottom: 10px; }
.breadcrumb a { color: var(--muted); }
.simple-hero { max-width: 820px; padding: 36px; margin: 0 auto; text-align: center; background: rgba(255,255,255,.92); border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); }
.site-footer { margin-top: 44px; background: #243447; color: #EAF3FF; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, .8fr); gap: 34px; padding: 46px 0; }
.footer-logo { display: inline-flex; margin-bottom: 14px; padding: 8px 12px; border-radius: 14px; background: rgba(255,255,255,.94); }
.footer-logo img { max-height: 46px; width: auto; }
.site-footer h2 { color: #FFFFFF; font-size: 18px; margin-bottom: 14px; }
.site-footer p { color: rgba(234,243,255,.76); }
.site-footer a { display: block; margin: 8px 0; color: #EAF3FF; }
.site-footer a:hover { color: #7EC8FF; }
.footer-bottom { border-top: 1px solid rgba(234,243,255,.12); padding: 16px 0; color: rgba(234,243,255,.65); font-size: 14px; text-align: center; }
@media (max-width: 1080px) {
  .nav { gap: 14px; }
  .nav > a, .dropdown-toggle { font-size: 14px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1.2fr repeat(3, 1fr); gap: 24px; }
}
@media (max-width: 900px) {
  .mobile-menu-btn { display: block; flex: 0 0 auto; }
  .nav-wrap { display: none; }
  .header-inner { min-height: 68px; gap: 10px; }
  .logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .logo img { max-height: 44px; max-width: 150px; }
  .header-action { margin-left: auto; }
  .header-register { min-height: 40px; padding: 0 18px; }
  .hero-panel, .media-row, .media-row.reverse { grid-template-columns: 1fr; }
  .media-row.reverse .media-image { order: 0; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .notice-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .container, .banner-slider { width: min(100% - 24px, 1180px); }
  .banner-slider { margin-top: 16px; border-radius: 14px; }
  .slider-arrow { width: 38px; height: 38px; font-size: 24px; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .section { padding: 26px 0; }
  .hero-panel, .simple-hero { padding: 22px; border-radius: 18px; }
  .grid-2, .grid-3, .grid-4, .notice-strip, .footer-grid { grid-template-columns: 1fr; }
  .header-register { padding: 0 15px; }
  .logo img { max-width: 124px; max-height: 40px; }
  .card, .info-card, .review-card, .notice-card { padding: 19px; }
  .footer-grid { padding: 34px 0; gap: 20px; }
}
