:root {
  --bg: #F5F7FF;
  --ink: #1F2740;
  --title: #131A35;
  --muted: #66708A;
  --brand: #5B6CFF;
  --purple: #7A5CFF;
  --blue: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --dark: #11182F;
  --footer: #0B1024;
  --border: rgba(91,108,255,.18);
  --shadow: 0 20px 46px rgba(25,43,91,.14);
  --radius: 24px;
  --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(--ink); font-family: "PingFang SC","Microsoft YaHei",Arial,sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section-pad { padding: 92px 0; }
.section-soft { background: linear-gradient(180deg,rgba(234,247,255,.72),rgba(255,244,214,.28)); }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(14px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: min(1280px, calc(100% - 40px)); min-height: 74px; margin: 0 auto; display: flex; align-items: center; gap: 28px; justify-content: space-between; }
.site-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.site-logo img { max-height: 44px; width: auto; }
.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: .25s ease; }
.nav-core a:hover,.nav-core a.active { color: #fff; background: linear-gradient(135deg,rgba(217,79,112,.22),rgba(0,212,255,.18)); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn,.ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .25s ease, box-shadow .25s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,.24); }
.main-btn:hover,.ghost-btn:hover { transform: translateY(-2px); }
.main-btn.compact { min-height: 42px; padding: 0 18px; white-space: nowrap; }
.ghost-btn { color: var(--brand); background: rgba(255,255,255,.86); border: 1px solid var(--border); }
.menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 50%; color: #fff; background: rgba(255,255,255,.1); font-size: 19px; cursor: pointer; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(5,8,20,.58); opacity: 0; visibility: hidden; z-index: 10000; transition: .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; width: min(390px,88vw); height: 100vh; padding: 28px; background: #fff; transform: translateX(105%); z-index: 10001; box-shadow: -24px 0 70px rgba(7,12,30,.22); transition: transform .3s ease; overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; font-size: 21px; color: var(--title); }
.drawer-head button { width: 40px; height: 40px; border: 0; border-radius: 50%; background: #EFF2FF; font-size: 24px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; text-decoration: none; color: var(--ink); background: #F5F7FF; border: 1px solid transparent; }
.drawer-nav a:hover { color: var(--brand); border-color: var(--border); }
.hero { position: relative; overflow: hidden; padding: 86px 0 76px; background: radial-gradient(circle at 15% 20%,rgba(217,79,112,.18),transparent 27%), radial-gradient(circle at 78% 12%,rgba(0,212,255,.22),transparent 30%), linear-gradient(135deg,#F8F1FF 0%,#EAF7FF 52%,#FFF7E7 100%); }
.hero:before,.hero:after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); opacity: .7; }
.hero:before { width: 260px; height: 260px; background: rgba(122,92,255,.12); left: -80px; bottom: -90px; }
.hero:after { width: 180px; height: 180px; background: rgba(255,200,87,.18); right: 5%; top: 7%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.hero-copy h1 { margin: 8px 0 12px; color: var(--title); font-size: clamp(58px,8vw,112px); line-height: .95; letter-spacing: -5px; }
.hero-copy h2 { margin: 0 0 20px; color: var(--title); font-size: clamp(28px,4vw,50px); line-height: 1.24; }
.hero-copy p { color: var(--muted); font-size: 18px; max-width: 680px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-points { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 28px; padding: 0; list-style: none; }
.hero-points li { padding: 8px 14px; border-radius: 999px; background: rgba(255,255,255,.68); border: 1px solid rgba(91,108,255,.14); color: var(--title); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 590px; object-fit: contain; filter: drop-shadow(0 28px 50px rgba(25,43,91,.2)); }
.media-float { position: absolute; min-width: 170px; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.8); }
.media-float strong { display:block; color: var(--title); }
.media-float span { color: var(--muted); font-size: 13px; }
.float-one { left: -30px; bottom: 14%; }.float-two { right: -12px; top: 8%; }
.highlight-strip { margin-top: -26px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.highlight-card { padding: 24px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.highlight-card h3 { margin: 0 0 8px; color: var(--title); font-size: 18px; }
.highlight-card p { margin: 0; color: var(--muted); font-size: 14px; }
.channel-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; padding: 18px 20px; border-radius: 999px; text-decoration: none; background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(25,43,91,.08); }
.channel-pill strong { color: var(--title); margin-right: 8px; }.channel-pill span { color: var(--muted); font-size: 13px; }
.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-kicker { display: inline-block; color: var(--purple); font-weight: 800; letter-spacing: .08em; font-size: 13px; text-transform: uppercase; }
.section-kicker.light { color: var(--gold); }
h1,h2,h3,.section-title { color: var(--title); }
h2 { margin: 8px 0 14px; font-size: clamp(30px,4vw,48px); line-height: 1.24; }
h3 { line-height: 1.35; }
p { margin: 0 0 16px; }
.text-link { color: var(--brand); text-decoration: none; font-weight: 700; }
.brand-grid,.content-showcase,.safety-grid,.split-content,.inner-hero-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 42px; align-items: center; }
.media-card,.prose-card,.notice-card,.info-card,.review-card,.zone-card,.faq-item,.service-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.media-card { padding: 18px; }
.media-card img,.zone-card img,.service-card img { width: 100%; max-height: 420px; object-fit: contain; border-radius: 18px; }
.prose-card { padding: 36px; }
.notice-card { padding: 30px; background: linear-gradient(145deg,#11182F,#16213E); color: #EEF2FF; }
.notice-card h3 { color: #fff; margin-top: 0; }.notice-card .text-link { color: var(--blue); }
.feature-grid { display: grid; gap: 20px; }.feature-grid-3 { grid-template-columns: repeat(3,1fr); }.feature-grid-4 { grid-template-columns: repeat(4,1fr); }
.info-card { padding: 28px; }
.number-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 32px; padding: 0 10px; border-radius: 999px; background: #EFF2FF; color: var(--purple); font-weight: 800; }
.info-card h3 { margin: 18px 0 10px; }.info-card p { color: var(--muted); margin: 0; }
.dual-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.zone-card { padding: 22px; overflow: hidden; }
.zone-card .zone-copy { padding: 20px 10px 6px; }.zone-card p { color: var(--muted); }
.triple-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.banner-pair { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; margin-top: 22px; }
.service-card { padding: 20px; }.service-card .copy { padding: 16px 6px 6px; }.service-card p { color: var(--muted); }
.dark-band { background: linear-gradient(135deg,#11182F,#16213E); color: #EEF2FF; }
.dark-band h2,.dark-band h3 { color: #fff; }.light-copy { color: #C8D1EA; }
.app-guide-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
.steps-list { display: grid; gap: 14px; }
.step-item { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: start; padding: 22px; border-radius: 20px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.step-item > span { color: var(--blue); font-weight: 800; font-size: 19px; }.step-item h3 { margin: 0 0 6px; }.step-item p { margin: 0; color: #C8D1EA; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { margin: 0; padding: 28px; }
.review-card p { color: var(--ink); font-size: 16px; }.review-card footer { color: var(--muted); font-size: 14px; }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 48px; align-items: start; }
.faq-list { display: grid; gap: 14px; }.faq-item { padding: 0 24px; }.faq-item summary { cursor: pointer; list-style: none; padding: 20px 30px 20px 0; font-weight: 700; color: var(--title); position: relative; }.faq-item summary::-webkit-details-marker { display:none; }.faq-item summary:after { content:"+"; position:absolute; right:0; top:17px; color: var(--brand); font-size: 24px; }.faq-item[open] summary:after { content:"−"; }.faq-item p { color: var(--muted); padding: 0 0 20px; margin: 0; }
.compliance-band { background: linear-gradient(90deg,#FFF4D6,#EAF7FF); }
.compliance-grid { display: grid; grid-template-columns: .8fr 1.4fr auto; gap: 34px; align-items: center; }.compliance-grid h2 { margin-bottom: 0; font-size: 34px; }.compliance-grid p { color: var(--muted); margin: 0; }.compliance-links { display: flex; flex-direction: column; gap: 8px; }.compliance-links a { color: var(--brand); font-weight: 700; text-decoration: none; white-space: nowrap; }
.inner-hero { background: radial-gradient(circle at 10% 20%,rgba(217,79,112,.14),transparent 26%), linear-gradient(135deg,#F8F1FF,#EAF7FF); }
.inner-hero-copy h1 { margin: 8px 0 18px; font-size: clamp(40px,6vw,72px); line-height: 1.1; }.lead { font-size: 18px; color: var(--muted); }
.inner-hero-media img { width: 100%; max-height: 480px; object-fit: contain; filter: drop-shadow(0 24px 48px rgba(25,43,91,.18)); }
.site-footer { padding: 70px 0 24px; background: var(--footer); color: #EEF2FF; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 44px; }.footer-logo img { max-height: 44px; width: auto; margin-bottom: 20px; }.footer-grid p { color: #B7C0DA; max-width: 460px; }.footer-grid h3 { color: #fff; margin: 0 0 14px; }.footer-grid > div:not(:first-child) { display:flex; flex-direction:column; gap:8px; }.footer-grid a { color:#C8D1EA; text-decoration:none; }.footer-grid a:hover { color:#fff; }.footer-bottom { margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }.footer-bottom p { margin: 0; color: #9AA4BA; font-size: 13px; }
.mobile-bottom-nav { display: none; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1000px) {
  .nav-core { display:none; }.desktop-menu-toggle { display:none; }.mobile-menu-toggle { display:inline-flex; align-items:center; justify-content:center; }
  .header-inner { gap: 14px; }.site-logo { margin-right:auto; }.hero-grid,.brand-grid,.content-showcase,.safety-grid,.split-content,.inner-hero-grid,.app-guide-grid,.faq-layout,.compliance-grid { grid-template-columns: 1fr; }
  .highlight-grid,.feature-grid-4,.banner-pair { grid-template-columns: repeat(2,1fr); }.feature-grid-3,.review-grid,.triple-grid { grid-template-columns: repeat(2,1fr); }
  .hero-visual { max-width: 720px; margin: 0 auto; }.compliance-links { flex-direction:row; flex-wrap:wrap; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 700px) {
  .container,.header-inner { width: min(100% - 28px,1180px); }.section-pad { padding: 66px 0; }.header-inner { min-height: 66px; }.site-logo img { max-height: 38px; }.main-btn.compact { min-height: 38px; padding:0 14px; font-size:13px; }
  .hero { padding: 62px 0 60px; }.hero-grid { gap: 38px; }.hero-copy h1 { letter-spacing:-3px; }.hero-copy p,.lead { font-size:16px; }.media-float { position:static; display:inline-block; margin:10px 6px 0 0; min-width:0; }
  .highlight-strip { margin-top:-10px; }.highlight-grid,.feature-grid-4,.feature-grid-3,.review-grid,.triple-grid,.dual-grid,.banner-pair,.footer-grid { grid-template-columns:1fr; }
  .channel-pill { border-radius:20px; }.brand-grid,.content-showcase,.safety-grid { gap:26px; }.prose-card,.notice-card,.info-card,.review-card { padding:24px; }
  .drawer-nav { grid-template-columns:1fr; }.site-drawer { width:min(360px,92vw); padding:22px; }
  .mobile-bottom-nav { position:fixed; left:12px; right:12px; bottom:10px; z-index:9998; display:grid; grid-template-columns:repeat(4,1fr); padding:8px; border-radius:18px; background:rgba(11,16,36,.94); backdrop-filter:blur(12px); box-shadow:0 16px 40px rgba(5,8,20,.28); }
  .mobile-bottom-nav a { color:#EEF2FF; text-decoration:none; text-align:center; padding:8px 4px; font-size:13px; }
  body { padding-bottom:82px; }.site-footer { padding-bottom:36px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior:auto !important; transition:none !important; }.reveal { opacity:1; transform:none; } }