:root {
  --bg: #F3FBFF;
  --bg-soft: #EAF8FF;
  --bg-soft-2: #F7FCFF;
  --bg-panel: #FFFFFF;
  --blue: #22AEEA;
  --blue-deep: #147FB8;
  --blue-hover: #168DCC;
  --text: #1F2D3A;
  --muted: #5C6F82;
  --light: #8BA1B5;
  --border: rgba(34,174,234,0.16);
  --shadow: 0 14px 36px rgba(34,174,234,0.12);
  --footer: #0B3D5C;
  --footer-text: #EAF8FF;
  --gradient: linear-gradient(135deg, #6DE6FF 0%, #22AEEA 48%, #168DCC 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(34,174,234,0.10);
}
.header-desktop, .header-mobile {
  height: 76px;
  align-items: center;
  justify-content: space-between;
}
.header-desktop { display: flex; gap: 24px; }
.header-mobile { display: none; }
.brand-logo { display: inline-flex; align-items: center; min-width: 148px; }
.brand-logo img { width: 148px; height: 46px; object-fit: contain; }
.nav-core {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0;
}
.nav-core a {
  color: var(--blue-deep);
  background: rgba(34,174,234,0.08);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  transition: .24s ease;
}
.nav-core a:hover,
.nav-core a.active {
  color: var(--blue);
  background: linear-gradient(135deg, rgba(109,230,255,0.24), rgba(34,174,234,0.12));
  border-color: var(--border);
  box-shadow: 0 8px 20px rgba(34,174,234,0.10);
}
.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.panel-toggle, .mobile-menu-btn, .close-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--blue-deep);
  cursor: pointer;
  transition: .24s ease;
}
.panel-toggle {
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
}
.panel-toggle:hover, .close-btn:hover { color: var(--blue); box-shadow: var(--shadow); transform: translateY(-1px); }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--gradient);
  color: #FFFFFF;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 12px 26px rgba(34,174,234,0.24);
  transition: .24s ease;
  white-space: nowrap;
}
.main-btn:hover { background: var(--blue-hover); transform: translateY(-2px); }
.overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(11,61,92,0.32);
  opacity: 0;
  visibility: hidden;
  transition: .28s ease;
}
.category-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(440px, 92vw);
  height: 100vh;
  overflow-y: auto;
  background: #FFFFFF;
  box-shadow: 0 18px 48px rgba(34,174,234,0.16);
  z-index: 10000;
  transform: translateX(104%);
  transition: .3s ease;
  padding: 26px;
}
.panel-open .overlay, .drawer-open .overlay { opacity: 1; visibility: visible; }
.panel-open .category-panel { transform: translateX(0); }
.panel-head, .drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.panel-head h2 { margin: 4px 0 0; font-size: 28px; color: var(--blue); }
.close-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
}
.panel-groups { display: grid; gap: 22px; margin-top: 24px; }
.panel-group { padding: 18px; border: 1px solid var(--border); border-radius: 24px; background: var(--bg-soft-2); }
.panel-group h3 { margin: 0 0 12px; color: var(--blue-deep); font-size: 18px; }
.panel-link {
  display: block;
  padding: 11px 12px;
  border-radius: 16px;
  transition: .22s ease;
}
.panel-link + .panel-link { margin-top: 4px; }
.panel-link strong { display: block; color: var(--text); }
.panel-link span { display: block; color: var(--muted); font-size: 13px; }
.panel-link:hover, .panel-link.active { background: #fff; box-shadow: 0 8px 18px rgba(34,174,234,0.10); }
.panel-link:hover strong, .panel-link.active strong { color: var(--blue); }
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: min(84vw, 320px);
  height: 100vh;
  overflow-y: auto;
  z-index: 10000;
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FCFF 100%);
  box-shadow: 18px 0 42px rgba(34,174,234,0.15);
  transform: translateX(-104%);
  transition: .3s ease;
  padding: 20px;
}
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.drawer-nav a {
  padding: 11px 12px;
  border-radius: 16px;
  background: #fff;
  color: var(--blue-deep);
  border: 1px solid var(--border);
  font-weight: 700;
  text-align: center;
}
.drawer-nav a.active { color: var(--blue); box-shadow: 0 8px 20px rgba(34,174,234,0.12); }
.no-scroll { overflow: hidden; }
.mobile-bottom-nav { display: none; }
main { padding-top: 0; }
.hero-section {
  margin-top: 28px;
  padding: 52px 0 30px;
  background:
    radial-gradient(circle at 12% 20%, rgba(109,230,255,0.24) 0%, rgba(109,230,255,0) 30%),
    radial-gradient(circle at 86% 18%, rgba(34,174,234,0.18) 0%, rgba(34,174,234,0) 30%),
    linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 52%, #EAF8FF 100%);
}
.hero-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 34px;
  align-items: center;
}
.section-kicker, .tag, .label, .num, .badge {
  color: var(--blue);
  font-weight: 800;
}
.hero-copy h1, .inner-hero h1 {
  margin: 10px 0 18px;
  color: var(--blue);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.hero-copy p, .inner-hero p { color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.text-link { color: var(--blue); font-weight: 800; }
.text-link:hover { color: var(--blue-hover); }
.hero-visual {
  position: relative;
  min-height: 310px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: rgba(255,255,255,.82);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-visual:before {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  right: -50px;
  top: -60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109,230,255,.36), rgba(109,230,255,0));
}
.hero-visual img { position: relative; width: 100%; max-height: 340px; object-fit: contain; }
.hero-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}
.summary-card, .card, .zone-card, .info-card, .review-card, .faq-card, .notice-card, .article-card {
  background: #FFFFFF;
  border: 1px solid rgba(34,174,234,0.16);
  box-shadow: 0 14px 36px rgba(34,174,234,0.12);
  border-radius: 26px;
}
.summary-card { padding: 18px; }
.summary-card strong { display: block; color: var(--blue-deep); font-size: 18px; margin-bottom: 6px; }
.summary-card span { color: var(--muted); font-size: 14px; }
.quick-cats { padding: 24px 0 10px; }
.cat-scroll {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 12px;
}
.cat-pill {
  display: block;
  padding: 14px;
  border: 1px solid rgba(34,174,234,0.16);
  border-radius: 999px;
  background: rgba(255,255,255,0.88);
  transition: .22s ease;
  min-height: 84px;
}
.cat-pill b { display: block; color: var(--blue); font-size: 13px; }
.cat-pill strong { display: block; margin: 2px 0; color: var(--text); }
.cat-pill span { display: block; color: var(--muted); font-size: 12px; line-height: 1.45; }
.cat-pill:hover { border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow); }
.section { padding: 54px 0; }
.section-head { max-width: 760px; margin-bottom: 24px; }
h2.section-title, .section-title { margin: 0 0 12px; color: var(--blue); font-size: clamp(26px, 3.2vw, 38px); line-height: 1.2; }
.section-head p { margin: 0; color: var(--muted); }
.service-strip {
  padding: 26px 30px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(234,248,255,.92));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.service-strip p { margin: 0; color: var(--muted); font-size: 17px; }
.board-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.info-card { padding: 22px; }
.info-card .num { display: inline-flex; width: 42px; height: 42px; border-radius: 50%; background: rgba(34,174,234,.10); align-items: center; justify-content: center; margin-bottom: 14px; }
.info-card h3, .zone-card h3, .article-card h3, .review-card h3 { margin: 0 0 10px; color: var(--blue-deep); }
.info-card p, .zone-card p, .article-card p, .review-card p, .faq-card p { margin: 0; color: var(--muted); }
.two-col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.zone-card { overflow: hidden; }
.zone-card .image-box, .article-image, .inner-image {
  min-height: 180px;
  max-height: 260px;
  padding: 18px;
  background: linear-gradient(135deg, #FFFFFF, #EAF8FF);
  display: flex;
  align-items: center;
  justify-content: center;
}
.zone-card img, .article-image img, .inner-image img, .app-card img, .content-img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
}
.zone-body { padding: 22px; }
.point-list { display: grid; gap: 8px; margin: 16px 0 0; padding: 0; list-style: none; }
.point-list li { position: relative; padding-left: 18px; color: var(--muted); }
.point-list li:before { content: ""; position: absolute; left: 0; top: .76em; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.wall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.app-feature {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: 28px;
  align-items: center;
  padding: 28px;
}
.app-card {
  border-radius: 28px;
  background: linear-gradient(135deg, #FFFFFF, #EAF8FF);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}
.feature-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-top: 18px; }
.feature-grid span { padding: 11px 14px; border-radius: 16px; background: #fff; border: 1px solid var(--border); color: var(--blue-deep); font-weight: 700; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 22px; }
.review-card h3 { font-size: 17px; }
.faq-list { display: grid; gap: 14px; }
.faq-card { padding: 20px 22px; }
.faq-card h3 { margin: 0 0 8px; color: var(--blue-deep); font-size: 18px; }
.about-brief { padding: 28px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: center; }
.notice-card { padding: 24px; background: linear-gradient(135deg, #FFFFFF, #EAF8FF); }
.notice-card strong { color: var(--blue-deep); }
.inner-hero { padding: 52px 0 34px; }
.inner-hero-card {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 28px;
  align-items: center;
  border-radius: 34px;
  padding: 34px;
  background:
    radial-gradient(circle at 12% 20%, rgba(109,230,255,0.20) 0%, rgba(109,230,255,0) 34%),
    linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 58%, #EAF8FF 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.inner-image { border-radius: 28px; min-height: 260px; }
.inner-image img { max-height: 320px; }
.page-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
.article-card { padding: 24px; }
.article-card + .article-card { margin-top: 18px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 22px; }
.card h3 { margin: 0 0 10px; color: var(--blue-deep); }
.card p { margin: 0; color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { position: relative; padding: 18px 18px 18px 64px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 10px 24px rgba(34,174,234,0.08); }
.step:before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 50%; background: rgba(34,174,234,.12); color: var(--blue); display: flex; align-items: center; justify-content: center; font-weight: 900; }
.step h3 { margin: 0 0 5px; color: var(--blue-deep); }
.step p { margin: 0; color: var(--muted); }
.contact-box { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.site-footer { margin-top: 62px; background: #0B3D5C; color: #EAF8FF; padding: 48px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .7fr 1fr; gap: 28px; }
.footer-logo img { width: 138px; height: 42px; object-fit: contain; filter: drop-shadow(0 8px 20px rgba(109,230,255,.20)); }
.footer-brand p, .footer-note p { color: rgba(234,248,255,.82); margin: 14px 0 0; }
.footer-links { display: grid; gap: 8px; align-content: start; }
.footer-links h3, .footer-note h3 { margin: 0 0 6px; color: #FFFFFF; }
.footer-links a { color: rgba(234,248,255,.86); }
.footer-links a:hover { color: #6DE6FF; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(234,248,255,.18); color: rgba(234,248,255,.72); font-size: 14px; }
@media (max-width: 1024px) {
  .cat-scroll { grid-template-columns: repeat(4, 1fr); }
  .hero-summary, .board-grid { grid-template-columns: repeat(2, 1fr); }
  .wall-grid, .review-grid, .card-grid, .contact-box { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  body { padding-bottom: 76px; }
  .container { width: min(100% - 28px, 1180px); }
  .header-desktop { display: none; }
  .header-mobile { display: flex; height: 66px; }
  .mobile-menu-btn { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
  .mobile-menu-btn span { width: 18px; height: 2px; border-radius: 999px; background: var(--blue-deep); }
  .mobile-logo { justify-content: center; min-width: 130px; }
  .mobile-logo img { width: 132px; height: 40px; }
  .mobile-register { min-height: 38px; padding: 8px 16px; }
  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9997;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #FFFFFF;
    border-top: 1px solid var(--border);
    box-shadow: 0 -8px 24px rgba(34,174,234,0.10);
  }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 62px; color: var(--muted); font-size: 13px; font-weight: 700; }
  .mobile-bottom-nav a span { font-size: 17px; line-height: 1; margin-bottom: 3px; }
  .mobile-bottom-nav a.active { color: var(--blue); }
  .hero-section { margin-top: 14px; padding: 34px 0 20px; }
  .hero-wrap, .inner-hero-card, .page-grid, .two-col, .app-feature, .about-brief { grid-template-columns: 1fr; }
  .hero-copy h1, .inner-hero h1 { font-size: 34px; }
  .hero-visual { min-height: 230px; padding: 18px; }
  .hero-visual img { max-height: 250px; }
  .hero-summary, .board-grid, .wall-grid, .review-grid, .card-grid, .contact-box { grid-template-columns: 1fr; }
  .cat-scroll { display: flex; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
  .cat-pill { min-width: 182px; border-radius: 22px; scroll-snap-align: start; }
  .section { padding: 38px 0; }
  .zone-card .image-box, .article-image, .inner-image { min-height: 170px; max-height: 220px; }
  .zone-card img, .article-image img, .inner-image img, .app-card img { max-height: 190px; }
  .app-card { min-height: 210px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 420px) {
  .drawer-nav { grid-template-columns: 1fr; }
  .inner-hero-card { padding: 24px; border-radius: 26px; }
  .service-strip, .about-brief, .app-feature { padding: 22px; }
  .category-panel { padding: 20px; }
}