:root {
  --bg: #F5F7FF; --nav: rgba(12,18,40,.94); --title: #131A35; --brand: #5B6CFF;
  --deep: #16213E; --cyan: #00D4FF; --gold: #FFC857; --rose: #D94F70;
  --lavender: #7A5CFF; --text: #1F2740; --muted: #66708A; --soft: #9AA4BA;
  --line: rgba(91,108,255,.18); --shadow: 0 20px 46px rgba(25,43,91,.14);
  --gradient: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%);
  --container: min(1180px, calc(100% - 40px));
}
* { 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, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 12000; padding: 10px 16px; border-radius: 10px; background: #fff; color: var(--deep); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: var(--nav); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: var(--container); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-logo { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 19px; text-decoration: none; letter-spacing: .02em; }
.site-logo img { width: auto; max-width: 132px; max-height: 44px; display: block; object-fit: contain; }
.site-logo span { white-space: nowrap; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.nav-core a { padding: 8px 12px; border-radius: 999px; color: #EEF2FF; font-size: 15px; text-decoration: none; white-space: nowrap; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 23px; border: 0; border-radius: 999px; background: var(--gradient); color: #fff; font-weight: 700; text-decoration: none; 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 17px 38px rgba(91,108,255,.28); }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 23px; border: 1px solid rgba(91,108,255,.28); border-radius: 999px; background: rgba(255,255,255,.78); color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link { color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.menu-toggle { width: 44px; height: 44px; padding: 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: rgba(255,255,255,.08); cursor: pointer; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; border-radius: 2px; background: #fff; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(5,9,24,.56); backdrop-filter: blur(3px); }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 90vw); height: 100dvh; padding: 24px; overflow-y: auto; background: #fff; box-shadow: -24px 0 50px rgba(11,16,36,.22); transform: translateX(105%); transition: transform .28s ease; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-weight: 800; text-decoration: none; }
.drawer-brand img { max-width: 120px; max-height: 42px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EEF1FF; color: var(--deep); font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 22px 0; }
.drawer-nav a { padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: #F8F9FF; color: var(--text); text-decoration: none; }
.drawer-nav a:hover { color: var(--brand); border-color: rgba(91,108,255,.38); }
.drawer-note { padding: 18px; border-radius: 18px; background: linear-gradient(135deg,#EEF1FF,#EAFBFF); color: var(--muted); }
.drawer-note strong { color: var(--title); }
.drawer-note p { margin: 8px 0 0; font-size: 14px; }
main { display: block; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 84px 0; }
.section-sm { padding: 54px 0; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(245,247,255,.35)); }
.section-white { background: rgba(255,255,255,.72); }
.section-dark { background: #11182F; color: #EEF2FF; }
.section-kicker { display: inline-block; margin-bottom: 9px; color: #6B52EB; font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.section-title { max-width: 780px; margin: 0; color: var(--title); font-size: clamp(28px, 4vw, 46px); line-height: 1.25; letter-spacing: -.03em; }
.section-lead { max-width: 780px; margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 32px; }
.section-head .section-title { font-size: clamp(26px, 3vw, 38px); }
.hero { position: relative; overflow: hidden; padding: 88px 0 78px; background: radial-gradient(circle at 12% 18%, rgba(122,92,255,.24), transparent 30%), radial-gradient(circle at 86% 22%, rgba(0,212,255,.21), transparent 27%), linear-gradient(135deg,#F7F3FF 0%,#EAF7FF 54%,#FFF6FC 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 220px; height: 220px; left: -80px; bottom: -70px; background: rgba(255,200,87,.17); }
.hero::after { width: 180px; height: 180px; right: 4%; top: 9%; border: 34px solid rgba(91,108,255,.09); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 55px; }
.hero-copy h1 { margin: 0; color: var(--title); font-size: clamp(48px, 7vw, 84px); line-height: 1; letter-spacing: -.06em; }
.hero-copy h2 { margin: 18px 0 0; color: var(--deep); font-size: clamp(24px, 3.2vw, 37px); line-height: 1.35; }
.hero-copy p { margin: 22px 0 0; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 25px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 8px 13px; border: 1px solid rgba(91,108,255,.19); border-radius: 999px; background: rgba(255,255,255,.66); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; min-height: 480px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; inset: 8% 5%; border-radius: 50%; background: linear-gradient(135deg,rgba(91,108,255,.2),rgba(0,212,255,.16)); filter: blur(18px); }
.hero-visual img { position: relative; width: 100%; max-height: 520px; object-fit: contain; filter: drop-shadow(0 30px 50px rgba(25,43,91,.22)); }
.highlight-strip { position: relative; z-index: 3; margin-top: -25px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.highlight-card { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.9); box-shadow: 0 14px 35px rgba(25,43,91,.1); }
.highlight-card strong { display: block; color: var(--title); font-size: 17px; }
.highlight-card p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 180px; min-height: 92px; padding: 17px 18px; border: 1px solid var(--line); border-radius: 18px; background: #fff; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.channel-pill:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(25,43,91,.1); }
.channel-pill strong { display: block; color: var(--title); }
.channel-pill span { display: block; margin-top: 5px; color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 54px; }
.split.reverse .split-media { order: 2; }
.split-media { min-width: 0; }
.split-media img { width: 100%; max-height: 500px; object-fit: contain; border-radius: 28px; filter: drop-shadow(0 25px 45px rgba(25,43,91,.16)); }
.split-copy h2, .split-copy h3 { margin: 0; color: var(--title); font-size: clamp(28px,3vw,42px); line-height: 1.3; }
.split-copy p { color: var(--muted); }
.mini-list { display: grid; gap: 13px; margin: 24px 0; padding: 0; list-style: none; }
.mini-list li { position: relative; padding: 13px 16px 13px 44px; border-radius: 15px; background: rgba(255,255,255,.78); color: var(--text); }
.mini-list li::before { content: "✓"; position: absolute; left: 16px; top: 13px; color: var(--brand); font-weight: 900; }
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card-grid.two { grid-template-columns: repeat(2,1fr); }
.card-grid.four { grid-template-columns: repeat(4,1fr); }
.card, .zone-card, .info-card, .review-card { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.zone-card { padding: 24px; }
.zone-card img, .card img { width: 100%; height: 230px; object-fit: contain; background: linear-gradient(135deg,#F3F1FF,#EAF8FF); border-radius: 17px; }
.zone-card h3, .card h3 { margin: 20px 0 9px; color: var(--title); font-size: 23px; }
.zone-card p, .card p { margin: 0; color: var(--muted); }
.zone-card .text-link, .card .text-link { display: inline-block; margin-top: 17px; }
.triple-card { min-height: 100%; display: flex; flex-direction: column; }
.triple-card .text-link { margin-top: auto; padding-top: 18px; }
.safety-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { position: relative; overflow: hidden; padding: 32px; border-radius: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.safety-card img { width: 100%; height: 250px; object-fit: contain; }
.safety-card h3 { margin: 21px 0 10px; color: var(--title); font-size: 26px; }
.safety-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { position: relative; padding: 25px; }
.review-card::before { content: "“"; position: absolute; right: 18px; top: 8px; color: rgba(91,108,255,.13); font-family: Georgia,serif; font-size: 72px; line-height: 1; }
.review-card p { position: relative; margin: 0; color: var(--text); }
.review-card span { display: block; margin-top: 16px; color: var(--muted); font-size: 13px; }
.faq-list { display: grid; gap: 13px; }
details { border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: 0 10px 25px rgba(25,43,91,.07); }
summary { padding: 18px 22px; color: var(--title); font-weight: 700; cursor: pointer; }
details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }
.notice-band { padding: 30px; border-radius: 25px; background: linear-gradient(135deg,#16213E,#29305A); color: #EEF2FF; box-shadow: var(--shadow); }
.notice-band h2 { margin: 0; color: #fff; font-size: clamp(25px,3vw,36px); }
.notice-band p { margin: 12px 0 0; color: #C9D1EA; }
.about-band { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 35px; padding: 38px; border-radius: 28px; background: linear-gradient(135deg,#FFFFFF,#EEF5FF); border: 1px solid var(--line); }
.about-band img { width: 100%; max-height: 320px; object-fit: contain; }
.inner-hero { padding: 64px 0 48px; background: radial-gradient(circle at 12% 10%,rgba(122,92,255,.2),transparent 32%), radial-gradient(circle at 88% 18%,rgba(0,212,255,.17),transparent 28%), linear-gradient(135deg,#F7F4FF,#EAF8FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 48px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.inner-hero h1 { margin: 0; color: var(--title); font-size: clamp(38px,6vw,64px); line-height: 1.14; letter-spacing: -.04em; }
.inner-hero p { margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.inner-hero img { width: 100%; max-height: 420px; object-fit: contain; filter: drop-shadow(0 25px 40px rgba(25,43,91,.18)); }
.content-layout { display: grid; grid-template-columns: minmax(0,1fr) 310px; align-items: start; gap: 32px; }
.prose { padding: 36px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.prose h2 { margin: 0 0 18px; color: var(--title); font-size: 30px; line-height: 1.35; }
.prose h3 { margin: 32px 0 12px; color: var(--title); font-size: 23px; }
.prose p { margin: 0 0 16px; color: #4F5A75; }
.prose ul { padding-left: 1.2em; color: #4F5A75; }
.prose li + li { margin-top: 8px; }
.sidebar { position: sticky; top: 98px; display: grid; gap: 18px; }
.sidebar-card { padding: 23px; border: 1px solid var(--line); border-radius: 21px; background: #fff; box-shadow: 0 14px 32px rgba(25,43,91,.1); }
.sidebar-card h2, .sidebar-card h3 { margin: 0 0 12px; color: var(--title); font-size: 20px; }
.sidebar-card p { margin: 0; color: var(--muted); font-size: 14px; }
.sidebar-links { display: grid; gap: 9px; }
.sidebar-links a { padding: 10px 12px; border-radius: 12px; background: #F4F6FF; color: var(--brand); text-decoration: none; }
.feature-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin: 24px 0 30px; }
.feature-item { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(135deg,#FDFDFF,#F1F7FF); }
.feature-item strong { display: block; color: var(--title); }
.feature-item span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.quote-box { margin: 27px 0; padding: 23px; border-left: 4px solid var(--brand); border-radius: 0 18px 18px 0; background: #F3F5FF; color: #44506D; }
.page-faq { margin-top: 24px; }
.site-footer { background: #0B1024; color: #EEF2FF; }
.footer-inner { width: var(--container); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.6fr; gap: 60px; padding: 64px 0 42px; }
.footer-brand p { max-width: 420px; color: #AEB9D4; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 25px; }
.footer-links section { display: grid; align-content: start; gap: 9px; }
.footer-links h2 { margin: 0 0 7px; color: #fff; font-size: 16px; }
.footer-links a { color: #AEB9D4; font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { width: var(--container); margin: 0 auto; padding: 20px 0; color: #8F9AB7; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1060px) {
  .nav-core { gap: 2px; }
  .nav-core a { padding-inline: 9px; font-size: 14px; }
  .header-inner { width: min(100% - 28px,1180px); }
  .site-logo span { display: none; }
  .card-grid.four { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 820px) {
  :root { --container: min(100% - 28px, 720px); }
  .site-header { position: sticky; }
  .header-inner { min-height: 64px; gap: 10px; }
  .nav-core, .desktop-menu-toggle { display: none; }
  .mobile-menu-toggle { display: block; }
  .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .site-logo img { max-width: 100px; max-height: 38px; }
  .header-cta { min-height: 40px; padding: 0 15px; font-size: 13px; }
  .header-actions { margin-left: auto; }
  .section { padding: 62px 0; }
  .hero { padding: 64px 0 46px; }
  .hero-grid, .inner-hero-grid, .split, .about-band, .content-layout { grid-template-columns: 1fr; }
  .hero-visual { min-height: auto; }
  .hero-visual img { max-height: 430px; }
  .split.reverse .split-media { order: 0; }
  .highlight-grid, .card-grid, .review-grid, .safety-panel { grid-template-columns: repeat(2,1fr); }
  .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .mobile-bottom-nav { position: fixed; left: 12px; right: 12px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 9000; display: grid; grid-template-columns: repeat(4,1fr); min-height: 58px; padding: 5px; border: 1px solid rgba(91,108,255,.18); border-radius: 19px; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); box-shadow: 0 15px 36px rgba(11,16,36,.2); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 14px; color: var(--muted); font-size: 11px; text-decoration: none; }
  .mobile-bottom-nav a span { font-size: 18px; line-height: 1; }
  .mobile-bottom-nav a.active { background: #EEF1FF; color: var(--brand); }
  body { padding-bottom: 82px; }
}
@media (max-width: 560px) {
  .section { padding: 52px 0; }
  .hero-copy h1 { font-size: 51px; }
  .hero-copy h2 { font-size: 25px; }
  .hero-actions { align-items: stretch; }
  .hero-actions a { flex: 1 1 145px; }
  .highlight-grid, .card-grid, .card-grid.two, .card-grid.three, .card-grid.four, .review-grid, .safety-panel, .feature-list, .sidebar { grid-template-columns: 1fr; }
  .highlight-strip { margin-top: -10px; }
  .section-head { align-items: start; flex-direction: column; }
  .prose { padding: 24px 20px; border-radius: 20px; }
  .inner-hero { padding: 44px 0 36px; }
  .inner-hero h1 { font-size: 42px; }
  .about-band { padding: 24px; }
  .zone-card, .safety-card { padding: 20px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-inner { padding-top: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
