:root {
  --bg: #F5F7FF;
  --nav: rgba(12,18,40,.94);
  --title: #131A35;
  --primary: #5B6CFF;
  --deep: #16213E;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --purple: #7A5CFF;
  --text: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --card: #FFFFFF;
  --border: rgba(91,108,255,.18);
  --shadow: 0 20px 46px rgba(25,43,91,.14);
  --gradient: linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; 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; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
main { min-height: 60vh; }
.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 { max-width: 1280px; min-height: 72px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; white-space: nowrap; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; }
.site-logo strong { font-size: 19px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 15px; 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: 10px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 24px; color: #fff; text-decoration: none; font-weight: 700; border-radius: 999px; background: var(--gradient); 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 36px rgba(91,108,255,.3); }
.main-btn.compact { min-height: 42px; padding: 9px 18px; font-size: 14px; }
.menu-button { width: 42px; height: 42px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); cursor: pointer; }
.menu-button span { width: 18px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-menu-button { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,9,24,.56); opacity: 0; visibility: hidden; transition: .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 88vw); height: 100vh; padding: 24px; background: #fff; transform: translateX(105%); transition: .3s ease; box-shadow: -20px 0 50px rgba(4,9,24,.18); overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--title); }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EFF2FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; text-decoration: none; color: var(--text); background: #F6F8FF; border: 1px solid var(--border); }
.drawer-nav a:hover { color: var(--primary); background: #EEF3FF; }
.drawer-note { margin-top: 22px; padding: 16px; border-radius: 16px; color: var(--muted); background: #FFF8E5; font-size: 14px; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section.slim { padding: 54px 0; }
.section-head { max-width: 780px; margin-bottom: 30px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--purple); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
.section-kicker::before { content: ""; width: 28px; height: 2px; border-radius: 2px; background: var(--gradient); }
h1,h2,h3,.section-title { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(42px, 6vw, 76px); margin-bottom: 18px; letter-spacing: -.04em; }
h2 { font-size: clamp(30px, 4vw, 46px); margin-bottom: 14px; letter-spacing: -.02em; }
h3 { font-size: 22px; margin-bottom: 10px; }
p { margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 5px; color: var(--primary); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.card,.zone-card,.info-card,.review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; }
.card { padding: 26px; }
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 8% 20%, rgba(122,92,255,.22), transparent 28%), radial-gradient(circle at 82% 12%, rgba(0,212,255,.2), transparent 26%), linear-gradient(135deg,#F3F0FF 0%,#EFF9FF 48%,#FFF1F7 100%); }
.hero::after { content: ""; position: absolute; width: 360px; height: 360px; right: -120px; bottom: -180px; border-radius: 50%; background: rgba(255,200,87,.18); filter: blur(4px); }
.hero-grid { min-height: 680px; padding: 90px 0 76px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; position: relative; z-index: 1; }
.hero-copy { max-width: 650px; }
.hero-copy .lead { max-width: 650px; }
.hero-subtitle { font-size: clamp(24px,3vw,38px); font-weight: 800; color: var(--deep); margin-bottom: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin: 28px 0; }
.hero-secondary { color: var(--title); font-weight: 700; text-decoration: none; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.72); border: 1px solid rgba(91,108,255,.13); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 7% 8% -3%; border-radius: 42px; background: var(--gradient); opacity: .16; filter: blur(20px); }
.hero-visual img { position: relative; width: 100%; max-height: 590px; object-fit: contain; filter: drop-shadow(0 32px 45px rgba(25,43,91,.2)); }
.highlight-strip { position: relative; z-index: 3; margin-top: -34px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 18px; background: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.85); border-radius: 24px; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.highlight-item { padding: 18px; border-radius: 18px; background: linear-gradient(145deg,#FFFFFF,#F7F9FF); }
.highlight-item strong { display: block; color: var(--title); margin-bottom: 4px; }
.highlight-item p { color: var(--muted); font-size: 14px; margin: 0; }
.pill-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-link { min-width: 178px; flex: 1 1 180px; padding: 16px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--border); text-decoration: none; box-shadow: 0 10px 28px rgba(25,43,91,.08); }
.pill-link strong { color: var(--title); display: block; }
.pill-link span { color: var(--muted); font-size: 13px; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 54px; }
.split.reverse .media { order: 2; }
.media img,.content-img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 28px; }
.media-frame { padding: 18px; background: linear-gradient(145deg,#fff,#F0F5FF); border: 1px solid var(--border); border-radius: 32px; box-shadow: var(--shadow); }
.stats-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 24px; }
.stat { padding: 16px; border-radius: 16px; background: #F4F7FF; }
.stat strong { display: block; color: var(--primary); font-size: 20px; }
.stat span { font-size: 13px; color: var(--muted); }
.two-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.feature-card { overflow: hidden; }
.feature-card img { width: 100%; height: 260px; object-fit: contain; background: linear-gradient(145deg,#F1F3FF,#EAFBFF); }
.feature-card .body { padding: 24px; }
.feature-list { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 9px; }
.feature-list li { position: relative; padding-left: 22px; color: var(--muted); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 900; }
.dark-band { background: linear-gradient(135deg,#11182F 0%,#16213E 55%,#1E2B58 100%); color: #EEF2FF; }
.dark-band h2,.dark-band h3 { color: #fff; }
.dark-band .lead,.dark-band p { color: #C9D3EE; }
.safety-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; align-items: stretch; }
.safety-copy { padding: 38px; border-radius: 26px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.safety-images { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.safety-images img { width: 100%; height: 100%; min-height: 280px; object-fit: contain; border-radius: 24px; background: rgba(255,255,255,.08); }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card .stars { color: var(--gold); letter-spacing: 2px; }
.review-card strong { color: var(--title); }
.review-card span { color: var(--soft); font-size: 13px; }
.faq-list { display: grid; gap: 14px; }
details { padding: 20px 22px; background: #fff; border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 12px 28px rgba(25,43,91,.07); }
summary { cursor: pointer; color: var(--title); font-weight: 800; }
details p { color: var(--muted); margin-top: 14px; margin-bottom: 0; }
.notice-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.notice-card { padding: 22px; border-radius: 20px; background: linear-gradient(145deg,#fff,#F8FAFF); border: 1px solid var(--border); }
.notice-card strong { display: block; color: var(--title); margin-bottom: 8px; }
.notice-card p { color: var(--muted); font-size: 14px; margin: 0; }
.inner-hero { padding: 88px 0 66px; background: radial-gradient(circle at 10% 10%,rgba(122,92,255,.2),transparent 28%), radial-gradient(circle at 90% 20%,rgba(0,212,255,.18),transparent 26%), linear-gradient(135deg,#F4F2FF,#EEF9FF 54%,#FFF3F7); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 54px; }
.inner-hero h1 { font-size: clamp(40px,5vw,66px); }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 26px 36px rgba(25,43,91,.16)); }
.prose { max-width: 840px; }
.prose p { color: var(--muted); font-size: 17px; }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.service-card { padding: 24px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 16px 36px rgba(25,43,91,.1); }
.service-card .num { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 12px; color: #fff; font-weight: 900; background: var(--gradient); margin-bottom: 15px; }
.guide-band { background: linear-gradient(145deg,#EAF7FF,#F3EEFF); }
.quote-card { padding: 30px; border-radius: 24px; background: #11182F; color: #EAF0FF; }
.quote-card p { font-size: 18px; }
.quote-card span { color: #9FB0D8; font-size: 14px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 34px; }
.footer-grid { width: min(1200px,calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 34px; }
.footer-grid h2 { color: #fff; font-size: 16px; margin-bottom: 15px; }
.footer-grid p { color: #AEBBDA; max-width: 440px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { color: #DDE5FA; text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-logo { margin-bottom: 14px; }
.footer-bottom { width: min(1200px,calc(100% - 40px)); margin: 34px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.footer-bottom p { color: #95A4C8; margin: 0; font-size: 13px; }
.footer-bottom div { display: flex; gap: 16px; }
.footer-bottom a { color: #C9D3EE; text-decoration: none; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1050px) {
  .nav-core { display: none; }
  .header-inner { justify-content: space-between; }
  .mobile-menu-button { display: inline-flex; }
  .desktop-menu-button { display: none; }
  .hero-grid,.inner-hero-grid { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 70px; gap: 30px; }
  .hero-copy { max-width: 760px; }
  .hero-visual img { max-height: 480px; }
  .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .split,.safety-grid { grid-template-columns: 1fr; }
  .split.reverse .media { order: 0; }
  .three-grid,.review-grid,.service-grid { grid-template-columns: repeat(2,1fr); }
  .notice-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 720px) {
  body { padding-bottom: 72px; }
  .header-inner { min-height: 64px; padding: 0 14px; gap: 10px; }
  .site-logo strong { display: none; }
  .site-logo img { width: 38px; height: 38px; }
  .header-actions .main-btn { min-height: 38px; padding: 8px 13px; font-size: 13px; }
  .container { width: min(100% - 28px,1200px); }
  .section { padding: 60px 0; }
  .hero-grid { min-height: auto; padding: 58px 0 70px; }
  h1 { font-size: 44px; }
  .hero-subtitle { font-size: 25px; }
  .hero-actions { align-items: stretch; }
  .hero-actions .main-btn { width: 100%; }
  .hero-secondary { text-align: center; width: 100%; }
  .highlight-strip { margin-top: -26px; }
  .highlight-grid,.two-grid,.three-grid,.review-grid,.service-grid,.notice-grid,.stats-row { grid-template-columns: 1fr; }
  .highlight-item { padding: 15px; }
  .pill-link { flex-basis: 100%; border-radius: 18px; }
  .feature-card img { height: 220px; }
  .safety-images { grid-template-columns: 1fr; }
  .safety-images img { min-height: 220px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: 8px; z-index: 9998; display: grid; grid-template-columns: repeat(4,1fr); padding: 8px; border-radius: 20px; background: rgba(11,16,36,.94); backdrop-filter: blur(14px); box-shadow: 0 14px 34px rgba(4,9,24,.24); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: #EEF2FF; text-decoration: none; font-size: 12px; }
  .mobile-bottom-nav span { color: var(--cyan); font-size: 17px; }
}
@media (max-width: 450px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}