:root {
  --brand: rgb(89, 126, 247);
  --brand-hex: #597EF7;
  --brand-light: #ECF0FF;
  --page-bg: #F6F8FF;
  --sky: #EAF7FF;
  --title: #1D2B5F;
  --text: #222222;
  --muted: #5B647A;
  --white: #FFFFFF;
  --dark: #101827;
  --line: rgba(89,126,247,0.16);
  --shadow: 0 16px 40px rgba(89,126,247,0.10);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.container { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }
.site-main { min-height: 70vh; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  box-shadow: 0 8px 24px rgba(89, 126, 247, 0.10);
  backdrop-filter: blur(12px);
}
.desktop-nav { height: 76px; display: flex; align-items: center; gap: 24px; }
.brand img, .mobile-brand img, .drawer-logo img, .footer-brand img { width: auto; object-fit: contain; }
.brand img { height: 46px; }
.nav-links { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px; }
.nav-links a {
  color: var(--title);
  font-weight: 700;
  font-size: 15px;
  padding: 9px 12px;
  border-radius: 999px;
  transition: .25s ease;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--brand-hex);
  background: rgba(255,255,255,.78);
  box-shadow: inset 0 0 0 1px rgba(89,126,247,.16);
}
.main-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(89, 126, 247, 0.28);
  transition: transform .25s ease, box-shadow .25s ease;
  white-space: nowrap;
}
.main-btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.85) 35%, transparent 70%);
  transform: translateX(-120%);
  animation: btnShine 2.4s infinite;
  z-index: -1;
}
.main-btn::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,.65);
  box-shadow: 0 0 8px rgba(122,196,245,.55), 0 0 18px rgba(89,126,247,.35);
  pointer-events: none;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(89,126,247,.34); }
@keyframes btnShine {
  0% { transform: translateX(-120%); }
  55% { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}
.mobile-nav { display: none; height: 68px; align-items: center; justify-content: space-between; padding: 0 14px; }
.mobile-brand { position: absolute; left: 50%; transform: translateX(-50%); }
.mobile-brand img { height: 42px; }
.mobile-entry { min-height: 36px; padding: 0 14px; font-size: 13px; }
.menu-toggle {
  width: 42px; height: 42px; border: 0; border-radius: 14px; background: rgba(255,255,255,.76);
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  box-shadow: inset 0 0 0 1px rgba(89,126,247,.16); cursor: pointer;
}
.menu-toggle span { width: 20px; height: 2px; background: var(--title); border-radius: 8px; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(15,23,42,.42); z-index: 10000; opacity: 0; pointer-events: none; transition: .25s ease; }
.mobile-drawer {
  position: fixed; top: 0; left: 0; z-index: 10001; height: 100vh; width: 84vw; max-width: 320px;
  transform: translateX(-105%); transition: transform .3s ease;
  background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 58%, #EAF7FF 100%);
  box-shadow: 24px 0 50px rgba(16,24,39,.22); padding: 18px; overflow-y: auto;
}
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-logo img { height: 42px; }
.drawer-close { border: 0; width: 38px; height: 38px; border-radius: 12px; background: rgba(255,255,255,.85); color: var(--title); font-size: 26px; cursor: pointer; }
.drawer-links { display: grid; gap: 9px; }
.drawer-links a { padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,.72); color: var(--title); font-weight: 800; border: 1px solid rgba(89,126,247,.12); }
.drawer-note { margin-top: 18px; padding: 14px; border-radius: 16px; background: rgba(255,255,255,.72); color: var(--muted); font-size: 13px; }
.section { padding: 72px 0; }
.section.tight { padding: 42px 0; }
.section-title { margin: 0 0 18px; color: var(--title); font-size: clamp(28px, 4vw, 42px); line-height: 1.22; letter-spacing: -1px; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-hex); font-weight: 900; letter-spacing: .08em; margin-bottom: 10px; }
.section-lead { color: var(--muted); font-size: 17px; max-width: 820px; margin: 0 0 28px; }
.text-link { color: var(--brand-hex); font-weight: 900; display: inline-flex; gap: 6px; align-items: center; }
.text-link::after { content: "→"; transition: transform .25s ease; }
.text-link:hover::after { transform: translateX(4px); }
.banner-slider {
  max-width: 1200px;
  height: 390px;
  margin: 28px auto 42px;
  border-radius: 18px;
  background: #101827;
  box-shadow: 0 24px 55px rgba(16, 24, 39, 0.22);
  overflow: hidden;
  position: relative;
}
.slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.02); transition: opacity .55s ease, transform .55s ease; }
.slide.active { opacity: 1; transform: scale(1); z-index: 2; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #101827; }
.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; width: 44px; height: 44px; border: 0; border-radius: 999px; color: #fff; background: rgba(255,255,255,.18); backdrop-filter: blur(8px); cursor: pointer; font-size: 26px; }
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); display: flex; gap: 9px; z-index: 5; }
.slider-dot { width: 10px; height: 10px; border: 0; border-radius: 999px; background: rgba(255,255,255,.55); cursor: pointer; padding: 0; transition: .25s ease; }
.slider-dot.active { width: 34px; background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%); }
.pill-scroll { display: flex; gap: 14px; overflow-x: auto; padding: 4px 0 12px; scrollbar-width: thin; }
.pill-card { flex: 0 0 178px; padding: 16px; border-radius: 18px; background: rgba(255,255,255,.82); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.pill-card:hover { border-color: rgba(89,126,247,.5); background: #fff; }
.pill-card span { color: var(--brand-hex); font-weight: 900; font-size: 13px; }
.pill-card strong { display: block; color: var(--title); font-size: 18px; margin: 4px 0; }
.pill-card p { margin: 0; color: var(--muted); font-size: 14px; }
.observe-strip { border-radius: 24px; padding: 26px; background: linear-gradient(135deg, rgba(255,255,255,.9), rgba(236,240,255,.88), rgba(234,247,255,.88)); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.observe-strip h2 { margin: 0 0 8px; color: var(--title); }
.observe-strip p { margin: 0; color: var(--muted); font-size: 17px; }
.card, .zone-card, .info-card, .feature-card, .faq-item, .notice-card {
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(89,126,247,0.16);
  box-shadow: 0 16px 40px rgba(89,126,247,0.10);
  border-radius: var(--radius);
}
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 24px; }
.label { display: inline-flex; color: var(--brand-hex); background: rgba(89,126,247,.10); border: 1px solid rgba(89,126,247,.16); border-radius: 999px; padding: 3px 10px; font-size: 13px; font-weight: 900; }
.card h3, .info-card h3, .zone-card h3, .feature-card h3, .faq-item h3 { color: var(--title); margin: 12px 0 8px; line-height: 1.35; }
.card p, .info-card p, .zone-card p, .feature-card p, .faq-item p { color: var(--muted); margin: 0 0 14px; }
.insight-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.info-card { padding: 20px; }
.info-card .num { color: var(--brand-hex); font-size: 22px; font-weight: 900; }
.deep-list { display: grid; gap: 28px; }
.deep-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.deep-row.reverse .deep-copy { order: 1; }
.deep-row.reverse .image-frame { order: 2; }
.image-frame { border-radius: 24px; background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 52%, #EAF7FF 100%); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); padding: 12px; }
.content-img, .zone-card img, .app-section img, .banner-slider img { max-width: 100%; height: auto; }
.image-frame img { width: 100%; max-height: 320px; object-fit: contain; border-radius: 18px; background: #fff; }
.deep-copy { padding: 10px; }
.deep-copy h3 { color: var(--title); font-size: clamp(24px, 3vw, 34px); margin: 0 0 12px; }
.deep-copy p { color: var(--muted); margin: 0 0 16px; }
.point-list { margin: 0 0 18px; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--title); font-weight: 700; }
.point-list li { padding-left: 20px; position: relative; }
.point-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-hex); position: absolute; left: 0; top: 12px; }
.zone-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.zone-card { overflow: hidden; }
.zone-card.wide { grid-column: span 2; }
.zone-card img { width: 100%; height: 190px; object-fit: contain; background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%); padding: 8px; }
.zone-body { padding: 20px; }
.app-section { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: center; padding: 34px; border-radius: 28px; background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.app-section img { width: 100%; max-height: 360px; object-fit: contain; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 20px 0; }
.feature-list span { display: block; padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,.78); color: var(--title); font-weight: 800; border: 1px solid rgba(89,126,247,.12); }
.safety-wrap { display: grid; grid-template-columns: .85fr 1.15fr; gap: 24px; align-items: start; }
.safety-copy { background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%); padding: 26px; border-radius: 24px; border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.safety-copy img { width: 100%; max-height: 220px; object-fit: contain; margin-top: 16px; border-radius: 18px; background: #fff; }
.safety-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.safety-cards .info-card { min-height: 150px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.faq-item { padding: 22px; }
.page-hero { padding: 58px 0 34px; background: radial-gradient(circle at 15% 10%, rgba(122,196,245,.34), transparent 34%), linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%); border-bottom: 1px solid rgba(89,126,247,.12); }
.breadcrumb { color: var(--brand-hex); font-weight: 900; font-size: 14px; margin-bottom: 8px; }
.page-hero h1 { color: var(--title); margin: 0; font-size: clamp(32px, 5vw, 52px); line-height: 1.18; }
.page-hero p { color: var(--muted); max-width: 820px; font-size: 18px; margin: 16px 0 0; }
.page-layout { display: grid; grid-template-columns: 1fr 360px; gap: 26px; align-items: start; }
.article-panel { padding: 30px; border-radius: 26px; background: rgba(255,255,255,.9); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.article-panel h2 { color: var(--title); margin: 28px 0 12px; font-size: 26px; }
.article-panel h2:first-child { margin-top: 0; }
.article-panel p { color: var(--muted); margin: 0 0 16px; }
.article-panel ul { margin: 0 0 20px; padding-left: 20px; color: var(--muted); }
.article-panel li { margin: 8px 0; }
.side-card { position: sticky; top: 98px; padding: 22px; border-radius: 24px; background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 62%, #EAF7FF 100%); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.side-card img { width: 100%; max-height: 240px; object-fit: contain; border-radius: 18px; background: #fff; margin-bottom: 16px; }
.side-card h3 { color: var(--title); margin: 0 0 10px; }
.side-card p { color: var(--muted); margin: 0 0 14px; }
.side-list { display: grid; gap: 10px; margin-top: 14px; }
.side-list a, .side-list span { display: block; padding: 11px 12px; border-radius: 14px; background: rgba(255,255,255,.72); color: var(--title); border: 1px solid rgba(89,126,247,.12); font-weight: 800; }
.simple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 22px 0; }
.simple-grid .feature-card { padding: 20px; }
.notice-card { padding: 20px; margin-top: 20px; background: linear-gradient(135deg, rgba(236,240,255,.82), rgba(234,247,255,.82)); }
.notice-card strong { color: var(--title); display: block; margin-bottom: 8px; }
.qa-list { display: grid; gap: 16px; }
.qa-list .faq-item h2 { color: var(--title); font-size: 22px; margin: 0 0 8px; }
.contact-list { display: grid; gap: 12px; margin-top: 16px; }
.contact-list span { display: block; padding: 14px; border-radius: 16px; background: rgba(236,240,255,.55); color: var(--title); font-weight: 800; border: 1px solid rgba(89,126,247,.12); }
.site-footer { background: linear-gradient(135deg, #1F1F1F, #2B2B2B); color: rgba(255,255,255,.78); margin-top: 72px; padding: 48px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 24px; }
.footer-brand img { height: 46px; margin-bottom: 14px; }
.footer-brand p { margin: 0; max-width: 420px; }
.footer-col { display: grid; gap: 8px; align-content: start; }
.footer-col h3 { color: #fff; margin: 0 0 8px; }
.footer-col a { color: rgba(255,255,255,.72); }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 18px; font-size: 13px; color: rgba(255,255,255,.58); }
@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: flex; }
  .banner-slider { width: min(100% - 24px, 1200px); height: 300px; margin-top: 22px; }
  .topic-grid, .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-grid { grid-template-columns: repeat(3, 1fr); }
  .page-layout { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .container { width: min(100% - 24px, 1200px); }
  .section { padding: 48px 0; }
  .banner-slider { height: 210px; border-radius: 16px; }
  .slider-btn { width: 36px; height: 36px; font-size: 22px; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .topic-grid, .deep-row, .app-section, .safety-wrap, .faq-grid, .page-layout, .footer-grid, .simple-grid { grid-template-columns: 1fr; }
  .insight-grid, .safety-cards, .feature-list { grid-template-columns: repeat(2, 1fr); }
  .zone-grid { grid-template-columns: 1fr; }
  .zone-card.wide { grid-column: auto; }
  .deep-row.reverse .deep-copy, .deep-row.reverse .image-frame { order: initial; }
  .app-section { padding: 22px; }
  .article-panel { padding: 22px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 430px) {
  .mobile-entry { padding: 0 11px; font-size: 12px; }
  .mobile-brand img { height: 36px; }
  .insight-grid, .safety-cards, .feature-list { grid-template-columns: 1fr; }
  .pill-card { flex-basis: 168px; }
}