:root {
  --page-bg: #E6EBF2;
  --nav-bg: #F5F7FB;
  --white: #FFFFFF;
  --soft-bg: #EEF2F7;
  --soft-bg-2: #DDE4EE;
  --primary: #289CFF;
  --nav-text: #4E5F7A;
  --text: #243447;
  --muted: #66788A;
  --note: #8A9AAF;
  --footer: #243447;
  --footer-text: #EAF3FF;
  --border: rgba(40, 156, 255, 0.16);
  --shadow: 0 14px 36px rgba(56, 92, 138, 0.12);
  --button: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.site-main { min-height: 60vh; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(245, 247, 251, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(56, 92, 138, 0.10);
  border-bottom: 1px solid rgba(40, 156, 255, 0.08);
}
.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; min-width: 132px; }
.logo img { display: block; width: auto; max-width: 150px; max-height: 52px; }
.nav-wrap { flex: 1 1 auto; min-width: 0; display: flex; justify-content: center; }
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  white-space: nowrap;
  flex-wrap: nowrap;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 72px;
  padding: 0 3px;
  border: 0;
  background: none;
  color: var(--nav-text);
  font-weight: 700;
  cursor: pointer;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 0;
  height: 3px;
  border-radius: 99px 99px 0 0;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform .22s ease;
}
.nav-link:hover, .nav-link:focus-visible, .nav-link.active,
.dropdown.active > .nav-link, .more-dropdown.active > .nav-link { color: var(--primary); }
.nav-link:hover::after, .nav-link:focus-visible::after, .nav-link.active::after,
.dropdown.active > .nav-link::after, .more-dropdown.active > .nav-link::after { transform: scaleX(1); }
.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: 10px 26px;
  border: 0;
  border-radius: 999px;
  background: var(--button);
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(36, 155, 255, 0.25);
  font-weight: 800;
  letter-spacing: .04em;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.main-btn:hover, .main-btn:focus-visible {
  transform: translateY(-1px);
  filter: saturate(1.08) brightness(.98);
  box-shadow: 0 14px 30px rgba(36, 155, 255, 0.30);
}
.header-register { min-width: 86px; }
.dropdown, .more-dropdown { position: relative; }
.dropdown-menu, .more-menu {
  position: absolute;
  top: calc(100% - 7px);
  left: 50%;
  width: max-content;
  min-width: 190px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  padding: 9px;
  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%, 10px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.more-menu { left: auto; right: 0; transform: translate(0, 10px); min-width: 220px; }
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu, .dropdown.menu-open .dropdown-menu {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
.more-dropdown:hover .more-menu, .more-dropdown:focus-within .more-menu, .more-dropdown.menu-open .more-menu {
  opacity: 1; visibility: visible; transform: translate(0, 0);
}
.dropdown-menu a, .more-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--nav-text);
  white-space: nowrap;
  font-weight: 600;
}
.dropdown-menu a:hover, .dropdown-menu a:focus-visible,
.more-menu a:hover, .more-menu a:focus-visible { color: var(--primary); background: rgba(40, 156, 255, 0.08); }
.menu-group-label { padding: 8px 14px 4px; color: var(--note); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.mobile-menu-button { display: none; }

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 10020;
  background: rgba(36, 52, 71, .46);
  opacity: 0;
  transition: opacity .25s ease;
}
.drawer-overlay.is-visible { opacity: 1; }
.mobile-drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10030;
  width: min(84vw, 320px);
  padding: 18px;
  background: #FFFFFF;
  box-shadow: 18px 0 48px rgba(36, 52, 71, .18);
  transform: translateX(-104%);
  transition: transform .28s ease;
  overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.drawer-logo img { display: block; max-width: 140px; max-height: 48px; width: auto; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--soft-bg); color: var(--nav-text); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; gap: 4px; padding: 14px 0 24px; }
.drawer-nav a { padding: 11px 14px; border-radius: 10px; color: var(--nav-text); font-weight: 700; }
.drawer-nav a:hover, .drawer-nav a:focus-visible { color: var(--primary); background: rgba(40, 156, 255, .08); }

.banner-slider {
  width: min(calc(100% - 40px), var(--container));
  aspect-ratio: 2.45 / 1;
  margin: 28px auto 38px;
  border-radius: 22px;
  background: #FFFFFF;
  box-shadow: 0 18px 40px rgba(56, 92, 138, 0.12);
  overflow: hidden;
  position: relative;
  isolation: isolate;
}
.banner-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s ease; }
.banner-slide.is-active { opacity: 1; visibility: visible; }
.banner-slide img { width: 100%; height: 100%; display: block; 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: 4;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
  background: rgba(36,52,71,.36);
  color: #FFFFFF;
  font-size: 25px;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background .2s ease, transform .2s ease;
}
.slider-arrow:hover { background: rgba(40,156,255,.78); transform: translateY(-50%) scale(1.04); }
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; z-index: 4; display: flex; gap: 9px; transform: translateX(-50%); }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 1px solid rgba(255,255,255,.92); border-radius: 50%; background: rgba(36,52,71,.40); cursor: pointer; }
.slider-dot.is-active { width: 26px; border-radius: 999px; background: #FFFFFF; }

.section { padding: 38px 0; }
.section.compact { padding: 26px 0; }
.section-soft { background: rgba(245,247,251,.70); border-top: 1px solid rgba(255,255,255,.65); border-bottom: 1px solid rgba(40,156,255,.08); }
.section-head { max-width: 780px; margin: 0 auto 26px; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.section-kicker::before, .section-kicker::after { content: ""; width: 24px; height: 1px; background: rgba(40,156,255,.42); }
h1, h2, h3, .section-title { color: var(--primary); line-height: 1.3; }
h1 { margin: 0 0 18px; font-size: clamp(32px, 5vw, 54px); }
h2 { margin: 0 0 14px; font-size: clamp(26px, 3vw, 38px); }
h3 { margin: 0 0 10px; font-size: 21px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.9; }
.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(4px); }

.hero-panel {
  margin: 30px auto 0;
  padding: clamp(30px, 6vw, 70px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(238,242,247,.92));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-panel.with-media { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 44px; align-items: center; }
.hero-copy { max-width: 760px; }
.hero-copy .main-btn { margin-top: 12px; }
.hero-media { min-width: 0; }
.hero-media img, .content-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  box-shadow: 0 16px 34px rgba(56,92,138,.12);
}

.grid-2, .grid-3, .grid-4 { display: grid; gap: 22px; }
.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 {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}
.card, .zone-card, .info-card, .review-card { padding: 24px; }
.card p, .zone-card p, .info-card p, .review-card p { color: var(--muted); }
.card-number { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 14px; border-radius: 12px; background: rgba(40,156,255,.10); color: var(--primary); font-weight: 900; }
.zone-card { display: flex; flex-direction: column; min-height: 100%; }
.zone-card img { width: 100%; height: auto; max-height: 260px; object-fit: contain; margin: 0 0 18px; border-radius: 14px; background: #FFFFFF; }
.zone-card .text-link { margin-top: auto; }
.split-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 36px; align-items: center; }
.split-section.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.list-clean { display: grid; gap: 12px; margin: 18px 0 0; padding: 0; list-style: none; }
.list-clean li { position: relative; padding-left: 28px; color: var(--muted); }
.list-clean li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.notice-box { padding: 22px 24px; border-left: 4px solid var(--primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: rgba(255,255,255,.72); color: var(--muted); }

.review-card { position: relative; }
.review-card::before { content: "“"; position: absolute; right: 18px; top: 5px; color: rgba(40,156,255,.18); font-size: 72px; line-height: 1; font-family: Georgia, serif; }
.review-meta { display: flex; align-items: center; gap: 10px; margin-top: 16px; color: var(--note); font-size: 14px; }
.review-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(40,156,255,.10); }

.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; }
.faq-item button { width: 100%; display: flex; justify-content: space-between; gap: 18px; padding: 20px 22px; border: 0; background: transparent; color: var(--text); text-align: left; font-weight: 800; cursor: pointer; }
.faq-item button span:last-child { color: var(--primary); font-size: 22px; transition: transform .2s ease; }
.faq-answer { display: none; padding: 0 22px 22px; color: var(--muted); }
.faq-item.is-open .faq-answer { display: block; }
.faq-item.is-open button span:last-child { transform: rotate(45deg); }

.page-content { padding: 30px 0 64px; }
.content-block { margin-top: 28px; padding: clamp(24px, 4vw, 38px); border-radius: var(--radius-lg); border: 1px solid var(--border); background: rgba(255,255,255,.88); box-shadow: var(--shadow); }
.content-block h2 { font-size: clamp(25px, 3vw, 34px); }
.content-block p { color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; margin: 20px 0 0; padding: 0; list-style: none; }
.steps li { counter-increment: step; position: relative; padding: 16px 18px 16px 64px; border-radius: 14px; background: var(--soft-bg); color: var(--muted); }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 18px; top: 13px; color: var(--primary); font-weight: 900; font-size: 18px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tag { display: inline-flex; padding: 7px 13px; border-radius: 999px; background: rgba(40,156,255,.09); color: var(--primary); font-size: 14px; font-weight: 800; }

.site-footer { margin-top: 32px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.8fr repeat(3, 1fr); gap: 36px; padding: 50px 0 34px; }
.footer-brand p { max-width: 440px; color: rgba(234,243,255,.76); }
.footer-logo { display: inline-flex; margin-bottom: 18px; padding: 8px 12px; border-radius: 12px; background: rgba(255,255,255,.94); }
.footer-logo img { display: block; max-width: 142px; max-height: 48px; width: auto; }
.footer-column { display: grid; align-content: start; gap: 8px; }
.footer-column h2 { margin: 0 0 8px; color: #FFFFFF; font-size: 17px; }
.footer-column a { color: rgba(234,243,255,.76); }
.footer-column a:hover { color: #FFFFFF; }
.compliance-note { padding: 22px 0; border-top: 1px solid rgba(234,243,255,.12); }
.compliance-note p { margin: 0; color: rgba(234,243,255,.70); font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(234,243,255,.10); }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; color: rgba(234,243,255,.58); font-size: 13px; }

@media (max-width: 1120px) {
  .header-inner { gap: 16px; }
  .desktop-nav { gap: 12px; }
  .nav-link { font-size: 14px; }
  .logo { min-width: 118px; }
  .logo img { max-width: 132px; }
  .header-register { min-width: 78px; padding-inline: 20px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 64px; display: grid; grid-template-columns: 90px minmax(0,1fr) 90px; gap: 10px; }
  .nav-wrap { display: none; }
  .logo { min-width: 0; justify-content: center; }
  .logo img { max-width: 132px; max-height: 44px; }
  .mobile-menu-button { display: inline-flex; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 12px; background: rgba(40,156,255,.08); flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
  .mobile-menu-button span { display: block; width: 100%; height: 2px; border-radius: 99px; background: var(--nav-text); }
  .header-action { justify-content: flex-end; }
  .header-register { min-width: 76px; min-height: 40px; padding: 8px 18px; }
  .banner-slider { width: calc(100% - 28px); margin-top: 18px; aspect-ratio: 1.85 / 1; border-radius: 16px; }
  .slider-arrow { width: 40px; height: 40px; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .hero-panel.with-media, .split-section, .split-section.reverse { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-column:last-child { grid-column: 2 / 4; }
}

@media (max-width: 640px) {
  .header-inner { grid-template-columns: 74px minmax(0,1fr) 74px; }
  .logo img { max-width: 112px; }
  .header-register { min-width: 68px; min-height: 38px; padding: 7px 14px; font-size: 14px; }
  .banner-slider { aspect-ratio: 1.55 / 1; margin-bottom: 24px; }
  .slider-arrow { width: 36px; height: 36px; font-size: 20px; }
  .slider-dots { bottom: 9px; }
  .section { padding: 28px 0; }
  .hero-panel { padding: 26px 20px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .card, .zone-card, .info-card, .review-card { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; padding-top: 38px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-column:last-child { grid-column: auto; }
  .footer-bottom-inner { flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}