:root {
  --bg: #F5F7FF;
  --nav: rgba(12,18,40,0.94);
  --title: #131A35;
  --primary: #5B6CFF;
  --deep: #16213E;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --lavender: #7A5CFF;
  --text: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --card: #FFFFFF;
  --line: rgba(91,108,255,0.18);
  --shadow: 0 20px 46px rgba(25,43,91,0.14);
  --radius: 24px;
  --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 12000; padding: 10px 16px; border-radius: 12px; background: #fff; color: var(--deep); }
.skip-link:focus { top: 12px; }
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background: var(--nav);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 26px rgba(25,43,91,0.16);
}
.header-inner { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; flex: 0 0 auto; }
.site-logo img { width: auto; max-width: 132px; max-height: 44px; display: block; object-fit: contain; }
.site-logo strong { font-size: 1.4rem; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 4px; min-width: 0; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; white-space: nowrap; font-size: .95rem; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 22px; border-radius: 999px; background: linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%); color: #fff; text-decoration: none; font-weight: 700; box-shadow: 0 14px 32px rgba(91,108,255,.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 20px; border-radius: 999px; border: 1px solid rgba(91,108,255,.3); color: var(--primary); background: rgba(255,255,255,.76); text-decoration: none; font-weight: 700; }
.icon-button, .drawer-close { border: 0; background: transparent; color: #fff; cursor: pointer; }
.icon-button { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; background: rgba(255,255,255,.09); }
.icon-button span { width: 18px; height: 2px; background: currentColor; border-radius: 4px; }
.mobile-menu-wrap { display: none; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 11001; width: min(390px, 90vw); height: 100dvh; overflow-y: auto; padding: 22px; color: #EEF2FF; background: #11182F; box-shadow: -24px 0 60px rgba(0,0,0,.25); transform: translateX(105%); visibility: hidden; transition: transform .3s ease, visibility .3s ease; }
.site-drawer.open { transform: translateX(0); visibility: visible; }
.drawer-overlay { position: fixed; inset: 0; z-index: 11000; background: rgba(5,9,24,.62); backdrop-filter: blur(4px); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.12); }
.drawer-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 1.3rem; font-weight: 800; }
.drawer-brand img { max-height: 38px; width: auto; }
.drawer-close { width: 42px; height: 42px; font-size: 2rem; line-height: 1; border-radius: 50%; background: rgba(255,255,255,.08); }
.drawer-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; padding: 20px 0; }
.drawer-nav a { padding: 11px 13px; border-radius: 14px; text-decoration: none; color: #EEF2FF; background: rgba(255,255,255,.06); }
.drawer-nav a:hover { background: rgba(0,212,255,.14); }
.drawer-note { padding: 18px; border-radius: 18px; background: linear-gradient(145deg,rgba(91,108,255,.22),rgba(0,212,255,.09)); }
.drawer-note p { margin: 6px 0 0; color: #C8D1EA; font-size: .92rem; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.section { padding: 84px 0; }
.section-sm { padding: 58px 0; }
.section-head { max-width: 760px; margin-bottom: 32px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 8px; color: var(--primary); font-weight: 800; letter-spacing: .08em; font-size: .86rem; }
.section-kicker::before { content: ""; width: 24px; height: 3px; border-radius: 4px; background: linear-gradient(90deg,var(--primary),var(--cyan)); }
h1,h2,h3,.section-title { color: var(--title); line-height: 1.25; }
h1 { font-size: clamp(2.4rem, 6vw, 5.4rem); margin: 0 0 20px; letter-spacing: -.04em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 3rem); margin: 0 0 16px; letter-spacing: -.025em; }
h3 { font-size: 1.25rem; margin: 0 0 10px; }
p { margin-top: 0; }
.lead { color: var(--muted); font-size: 1.08rem; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 700; }
.text-link:hover { text-decoration: underline; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero { position: relative; overflow: hidden; padding: 72px 0 64px; background: radial-gradient(circle at 8% 10%,rgba(122,92,255,.22),transparent 28%), radial-gradient(circle at 84% 24%,rgba(0,212,255,.18),transparent 30%), linear-gradient(145deg,#F4F0FF 0%,#EFF8FF 52%,#FFF4FA 100%); }
.hero::after { content: ""; position: absolute; width: 420px; height: 420px; right: -170px; bottom: -190px; border-radius: 50%; border: 70px solid rgba(255,200,87,.14); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 54px; }
.hero-copy { max-width: 650px; }
.hero-label { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.78); color: var(--primary); border: 1px solid rgba(91,108,255,.14); font-weight: 700; }
.hero h1 span { display: block; margin-top: 10px; font-size: clamp(1.5rem,3.3vw,2.45rem); color: var(--deep); letter-spacing: -.02em; }
.hero-copy .lead { max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.72); color: var(--deep); border: 1px solid rgba(91,108,255,.13); font-size: .92rem; }
.hero-visual { position: relative; min-height: 460px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 8% 2% 2% 10%; border-radius: 36% 64% 52% 48% / 46% 38% 62% 54%; background: linear-gradient(145deg,rgba(91,108,255,.22),rgba(0,212,255,.2)); filter: blur(1px); }
.hero-visual img { position: relative; z-index: 1; max-height: 560px; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(27,42,91,.22)); }
.highlight-strip { position: relative; z-index: 2; margin-top: -18px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); overflow: hidden; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.highlight-item { padding: 22px; }
.highlight-item + .highlight-item { border-left: 1px solid rgba(91,108,255,.12); }
.highlight-item b { display: block; color: var(--title); margin-bottom: 6px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: .92rem; }
.channel-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; padding: 16px 18px; border-radius: 20px; background: #fff; border: 1px solid var(--line); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.channel-pill:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(25,43,91,.12); }
.channel-pill b { display: block; color: var(--title); }
.channel-pill span { display: block; color: var(--muted); font-size: .9rem; margin-top: 3px; }
.split { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; align-items: center; }
.split.reverse .content-media { order: -1; }
.content-copy { padding: 18px 0; }
.content-media { padding: 18px; border-radius: 30px; background: linear-gradient(145deg,#E9EEFF,#ECFBFF); border: 1px solid var(--line); }
.content-media img, .content-img, .zone-card img, .app-section img, .hero-visual img { max-width: 100%; height: auto; object-fit: contain; }
.content-media img { width: 100%; max-height: 520px; border-radius: 22px; }
.point-list { display: grid; gap: 12px; padding: 0; margin: 24px 0; list-style: none; }
.point-list li { position: relative; padding-left: 30px; color: var(--muted); }
.point-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: rgba(91,108,255,.12); color: var(--primary); font-size: .78rem; font-weight: 900; }
.two-cards, .three-cards, .four-cards { display: grid; gap: 24px; }
.two-cards { grid-template-columns: repeat(2,minmax(0,1fr)); }
.three-cards { grid-template-columns: repeat(3,minmax(0,1fr)); }
.four-cards { grid-template-columns: repeat(4,minmax(0,1fr)); }
.zone-card, .info-card { overflow: hidden; padding: 24px; }
.zone-card .card-image { margin: -24px -24px 22px; min-height: 220px; display: grid; place-items: center; background: linear-gradient(145deg,#EFF2FF,#EAFBFF); }
.zone-card .card-image img { width: 100%; max-height: 330px; object-fit: contain; }
.zone-card p, .info-card p { color: var(--muted); }
.mini-points { display: grid; gap: 8px; padding: 0; list-style: none; color: var(--muted); font-size: .93rem; }
.mini-points li { padding-left: 18px; position: relative; }
.mini-points li::before { content: "•"; position: absolute; left: 0; color: var(--cyan); font-weight: 900; }
.soft-section { background: linear-gradient(180deg,rgba(234,247,255,.7),rgba(245,247,255,.4)); }
.deep-section { color: #EEF2FF; background: radial-gradient(circle at 80% 10%,rgba(0,212,255,.16),transparent 30%),linear-gradient(135deg,#11182F,#16213E); }
.deep-section h2, .deep-section h3 { color: #fff; }
.deep-section .lead, .deep-section p { color: #C9D2EA; }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { padding: 28px; border-radius: 26px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); }
.safety-card img { display: block; width: 100%; max-height: 280px; object-fit: contain; margin-bottom: 18px; border-radius: 18px; background: rgba(255,255,255,.06); }
.reviews { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--soft); font-size: .88rem; }
.review-meta b { color: var(--title); }
.faq-list { display: grid; gap: 12px; }
details { padding: 18px 20px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
summary { cursor: pointer; color: var(--title); font-weight: 750; }
details p { margin: 12px 0 0; color: var(--muted); }
.notice { padding: 26px; border-radius: 24px; background: linear-gradient(135deg,#FFF4D6,#FFF8EC 45%,#EFF8FF); border: 1px solid rgba(255,200,87,.3); }
.notice h2 { font-size: 1.5rem; }
.notice p:last-child { margin-bottom: 0; }
.page-hero { position: relative; overflow: hidden; padding: 70px 0 64px; background: radial-gradient(circle at 85% 15%,rgba(0,212,255,.17),transparent 28%),radial-gradient(circle at 15% 80%,rgba(122,92,255,.18),transparent 30%),linear-gradient(145deg,#F4F0FF,#EFF8FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; }
.page-hero h1 { font-size: clamp(2.3rem,5vw,4.6rem); }
.page-hero img { width: 100%; max-height: 440px; object-fit: contain; filter: drop-shadow(0 25px 35px rgba(25,43,91,.18)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; color: var(--muted); font-size: .92rem; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.article-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 34px; align-items: start; }
.article-body { min-width: 0; }
.article-section { margin-bottom: 36px; padding: 30px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 38px rgba(25,43,91,.09); }
.article-section p { color: var(--muted); }
.article-section p:last-child { margin-bottom: 0; }
.article-section img { width: 100%; max-height: 460px; object-fit: contain; margin: 12px 0 20px; border-radius: 20px; background: #EFF8FF; }
.side-panel { position: sticky; top: 96px; display: grid; gap: 18px; }
.side-card { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 34px rgba(25,43,91,.08); }
.side-card h2 { font-size: 1.25rem; }
.side-links { display: grid; gap: 8px; }
.side-links a { padding: 9px 11px; border-radius: 12px; color: var(--primary); background: #F5F7FF; text-decoration: none; }
.cta-band { padding: 30px; border-radius: 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: linear-gradient(135deg,#5B6CFF,#7A5CFF 50%,#00D4FF); color: #fff; }
.cta-band h2 { color: #fff; font-size: 1.7rem; }
.cta-band p { margin-bottom: 0; color: rgba(255,255,255,.88); }
.cta-band .secondary-btn { border: 0; background: #fff; color: var(--primary); flex: 0 0 auto; }
.site-footer { padding-top: 58px; background: #0B1024; color: #EEF2FF; }
.footer-inner { width: min(var(--max),calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .85fr 1.5fr; gap: 60px; }
.footer-logo { margin-bottom: 16px; }
.footer-brand p { max-width: 420px; color: #AEB8D3; }
.footer-links { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; }
.footer-links section { display: grid; align-content: start; gap: 8px; }
.footer-links h2 { margin: 0 0 8px; color: #fff; font-size: 1rem; }
.footer-links a { color: #AEB8D3; text-decoration: none; font-size: .92rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 44px; padding: 20px; text-align: center; border-top: 1px solid rgba(255,255,255,.09); color: #8F9AB8; font-size: .88rem; }
.footer-bottom p { margin: 0; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
  .nav-core { display: none; }
  .header-inner { justify-content: space-between; }
  .hero-grid, .page-hero-grid { gap: 30px; }
  .reviews { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .four-cards { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 820px) {
  .desktop-menu-button { display: none; }
  .mobile-menu-wrap { display: block; }
  .header-inner { min-height: 64px; padding: 0 14px; gap: 10px; }
  .site-logo strong { display: none; }
  .site-logo img { max-width: 100px; max-height: 38px; }
  .header-cta { min-height: 38px; padding: 8px 14px; font-size: .88rem; }
  .hero { padding-top: 48px; }
  .hero-grid, .page-hero-grid, .split, .article-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 320px; }
  .hero-visual img { max-height: 430px; }
  .highlight-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .highlight-item:nth-child(3) { border-left: 0; border-top: 1px solid rgba(91,108,255,.12); }
  .highlight-item:nth-child(4) { border-top: 1px solid rgba(91,108,255,.12); }
  .two-cards, .three-cards, .safety-grid { grid-template-columns: 1fr; }
  .split.reverse .content-media { order: initial; }
  .side-panel { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .cta-band { align-items: flex-start; flex-direction: column; }
  .footer-links { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; display: grid; grid-template-columns: repeat(4,1fr); padding: 8px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left)); background: rgba(11,16,36,.96); backdrop-filter: blur(12px); box-shadow: 0 -8px 26px rgba(25,43,91,.2); }
  .mobile-bottom-nav a { display: grid; justify-items: center; gap: 1px; color: #EEF2FF; text-decoration: none; font-size: .76rem; }
  .mobile-bottom-nav span { font-size: 1.05rem; color: var(--cyan); }
  body { padding-bottom: 68px; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 28px,var(--max)); }
  .section { padding: 62px 0; }
  .section-sm { padding: 42px 0; }
  h1 { font-size: 2.55rem; }
  .hero h1 span { font-size: 1.42rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions a { width: 100%; }
  .highlight-grid { grid-template-columns: 1fr; }
  .highlight-item + .highlight-item { border-left: 0; border-top: 1px solid rgba(91,108,255,.12); }
  .four-cards, .reviews, .side-panel { grid-template-columns: 1fr; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .article-section { padding: 22px; }
  .page-hero { padding: 48px 0; }
}