*{box-sizing:border-box}
:root{
  --bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--primary:#5B6CFF;
  --deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--lav:#7A5CFF;
  --text:#1F2740;--muted:#66708A;--soft:#9AA4BA;--card:#FFFFFF;--dark:#11182F;
  --line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--radius:24px
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
body.menu-open{overflow-x:hidden}
a{color:inherit} img{max-width:100%;height:auto;display:block} button,input,textarea{font:inherit}
.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;margin:0 auto;min-height:72px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.site-logo,.footer-logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}
.site-logo{color:#fff;min-width:150px}.site-logo img{max-height:44px;width:auto}.footer-logo img{max-height:42px;width:auto}
.nav-core{display:flex;align-items:center;gap:8px;white-space:nowrap}
.nav-core a{color:#EEF2FF;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:15px}
.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;min-width:184px;justify-content:flex-end}
.main-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;text-decoration:none;font-weight:700;border:1px solid transparent;transition:.2s ease}
.main-btn{color:#fff;background:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);box-shadow:0 14px 32px rgba(91,108,255,.22)}
.main-btn:hover{transform:translateY(-1px);box-shadow:0 17px 38px rgba(91,108,255,.30)}
.ghost-btn{color:var(--primary);background:#fff;border-color:var(--line)}
.menu-toggle{width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.menu-toggle span{width:19px;height:2px;background:#fff;border-radius:9px}.mobile-menu-toggle{display:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(7,12,31,.54);z-index:10000;opacity:0;transition:.22s}.drawer-overlay.show{opacity:1}
.site-drawer{position:fixed;top:0;right:0;width:min(390px,92vw);height:100dvh;background:#fff;z-index:10001;padding:22px;box-shadow:-22px 0 52px rgba(13,21,52,.2);transform:translateX(105%);transition:transform .24s ease;overflow-y:auto}
.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid #e8ebf4}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--title)}.drawer-brand img{width:40px;height:40px;object-fit:contain}
.drawer-close{width:40px;height:40px;border:0;border-radius:50%;background:#f0f2fb;color:var(--title);font-size:26px;cursor:pointer}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:18px 0}.drawer-nav a{padding:11px 13px;border-radius:14px;background:#f7f8ff;text-decoration:none;color:var(--text);font-weight:600}
.drawer-nav a:hover{background:#eef0ff;color:var(--primary)}.drawer-note{background:linear-gradient(135deg,#eff8ff,#f4f0ff);border:1px solid var(--line);border-radius:18px;padding:17px}
.drawer-note strong{color:var(--title)}.drawer-note p{margin:6px 0 0;color:var(--muted);font-size:14px}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.section{padding:76px 0}.section-tight{padding:42px 0}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.section-kicker:before{content:"";width:22px;height:2px;border-radius:4px;background:linear-gradient(90deg,var(--gold),var(--cyan))}
h1,h2,h3,.section-title{color:var(--title);line-height:1.24}h1{font-size:clamp(42px,6vw,76px);margin:0 0 18px;letter-spacing:-.035em}
h2{font-size:clamp(30px,4vw,45px);margin:0 0 16px}h3{font-size:22px;margin:0 0 10px}p{margin:0 0 15px}
.lead{font-size:18px;color:var(--muted);max-width:760px}.text-link{color:var(--primary);font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}
.muted{color:var(--muted)}.small{font-size:14px}
.hero{position:relative;overflow:hidden;padding:74px 0 58px;background:radial-gradient(circle at 14% 18%,rgba(122,92,255,.18),transparent 30%),radial-gradient(circle at 86% 18%,rgba(0,212,255,.17),transparent 30%),linear-gradient(145deg,#fbfbff 0%,#edf6ff 50%,#f7efff 100%)}
.hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-160px;bottom:-220px;background:rgba(255,200,87,.18);filter:blur(3px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:52px;position:relative;z-index:1}
.hero-copy .eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--primary);font-weight:700;margin-bottom:15px}
.hero-copy .subtitle{font-size:26px;color:var(--deep);font-weight:800;margin-bottom:16px}.hero-copy .desc{font-size:17px;color:var(--muted);max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.hero-points{display:flex;gap:10px;flex-wrap:wrap}
.hero-points span{background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px rgba(25,43,91,.08);border-radius:999px;padding:8px 12px;font-size:14px}
.hero-visual{position:relative}.hero-visual img{width:100%;height:auto;object-fit:contain;border-radius:30px;border:1px solid rgba(255,255,255,.9);box-shadow:0 26px 70px rgba(39,54,108,.18);background:#fff}
.visual-badge{position:absolute;left:-24px;bottom:28px;background:#11182F;color:#fff;padding:12px 16px;border-radius:16px;box-shadow:0 15px 35px rgba(17,24,47,.2);font-size:14px}
.highlight-strip{margin-top:-2px;background:#fff;border-top:1px solid #edf0f7;border-bottom:1px solid #edf0f7}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.highlight-item{padding:26px 24px;border-right:1px solid #edf0f7}.highlight-item:last-child{border-right:0}.highlight-item strong{display:block;color:var(--title);font-size:17px;margin-bottom:6px}
.highlight-item p{font-size:14px;color:var(--muted);margin:0}.capsules{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.capsule{flex:1 1 185px;min-width:0;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);text-decoration:none;box-shadow:0 12px 30px rgba(25,43,91,.07)}
.capsule strong{display:block;color:var(--title);margin-bottom:5px}.capsule span{display:block;color:var(--muted);font-size:13px}
.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.content-grid.reverse .content-media{order:2}.content-grid.reverse .content-copy{order:1}
.content-media img,.zone-card img,.app-section img,.hero-visual img,.inner-hero-image img{max-width:100%;height:auto;object-fit:contain}
.content-media img{border-radius:24px;box-shadow:var(--shadow);background:#fff;border:1px solid var(--line)}.content-copy{padding:12px 4px}
.feature-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:10px}.feature-list li{position:relative;padding-left:28px;color:var(--muted)}
.feature-list li:before{content:"";position:absolute;left:4px;top:.75em;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--lav),var(--cyan));box-shadow:0 0 0 5px rgba(91,108,255,.08)}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.zone-card{overflow:hidden}.zone-card img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#eef2ff}.zone-card-body{padding:24px}.zone-card p{color:var(--muted)}
.info-card{padding:24px}.info-card p{color:var(--muted)}.info-card .label{display:inline-block;color:var(--rose);font-size:13px;font-weight:800;margin-bottom:6px}
.safety-band{background:linear-gradient(135deg,#10172f 0%,#18254a 55%,#212f63 100%);color:#eef2ff;overflow:hidden;position:relative}
.safety-band:before{content:"";position:absolute;inset:auto auto -120px -120px;width:300px;height:300px;border-radius:50%;background:rgba(0,212,255,.12)}
.safety-band h2{color:#fff}.safety-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;position:relative}
.safety-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}.safety-images img{border-radius:20px;background:#fff;object-fit:contain}
.safety-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.safety-points div{padding:14px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}.review-card{padding:22px}
.review-card .review-tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef0ff;color:var(--primary);font-size:12px;font-weight:800;margin-bottom:10px}.review-card p{color:var(--muted);font-size:15px}
.faq-list{display:grid;gap:12px;margin-top:24px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px}.faq-item h3{font-size:18px}.faq-item p{color:var(--muted);margin:5px 0 0}
.notice-box{padding:24px;border-radius:22px;background:linear-gradient(135deg,#fff8e7,#f5f1ff);border:1px solid rgba(255,200,87,.45)}.notice-box h3{font-size:21px}
.about-mini{background:#fff}.inner-hero{padding:60px 0 48px;background:radial-gradient(circle at 18% 10%,rgba(122,92,255,.16),transparent 30%),radial-gradient(circle at 90% 15%,rgba(0,212,255,.13),transparent 28%),linear-gradient(145deg,#fbfbff,#eef6ff)}
.inner-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.inner-hero h1{font-size:clamp(38px,5vw,62px)}.inner-hero p{color:var(--muted);font-size:17px}
.inner-hero-image img{width:100%;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.breadcrumb{display:flex;gap:8px;align-items:center;margin-bottom:16px;color:var(--muted);font-size:14px}.breadcrumb a{color:var(--primary);text-decoration:none}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}.article-main{display:grid;gap:22px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 12px 32px rgba(25,43,91,.08)}
.article-card h2{font-size:28px}.article-card h3{font-size:20px;margin-top:22px}.article-card p{color:#4e5874}.article-card ul{margin:10px 0 0;padding-left:20px;color:#4e5874}
.article-side{position:sticky;top:96px;display:grid;gap:16px}.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}
.side-card h3{font-size:18px}.side-card a{display:block;text-decoration:none;color:var(--primary);padding:7px 0;font-weight:600}.side-card p{color:var(--muted);font-size:14px}
.feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.feedback-card{border-radius:16px;background:#f7f8ff;border:1px solid #e8ebfa;padding:16px;color:var(--muted)}
.mini-faq{display:grid;gap:10px}.mini-faq div{padding:14px 16px;border-radius:15px;background:#f8f9ff}.mini-faq strong{display:block;color:var(--title);margin-bottom:4px}
.service-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.service-links a{padding:9px 12px;border-radius:999px;background:#eef0ff;color:var(--primary);text-decoration:none;font-weight:700;font-size:14px}
.site-footer{background:#0B1024;color:#EEF2FF;padding:58px 0 102px}.footer-inner{width:min(1180px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px}
.footer-brand p{color:#aeb7d4;max-width:440px}.footer-logo{color:#fff;margin-bottom:14px}.footer-links h3{color:#fff;font-size:17px}.footer-links a{display:block;color:#bfc8e2;text-decoration:none;padding:4px 0;font-size:14px}.footer-links a:hover{color:#fff}
.footer-bottom{width:min(1180px,calc(100% - 40px));margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:#9ea9c8;font-size:13px}.mobile-bottom-nav{display:none}
@media (max-width:1080px){.nav-core{gap:2px}.nav-core a{padding:8px 8px;font-size:14px}.header-actions{min-width:auto}.site-logo{min-width:130px}.hero-grid,.inner-hero-grid{gap:34px}}
@media (max-width:900px){
  .header-inner{display:grid;grid-template-columns:48px 1fr 110px;gap:8px;min-height:66px;padding:0 14px}.mobile-menu-toggle{display:flex;grid-column:1}.site-logo{grid-column:2;justify-self:center;min-width:0}.site-logo strong{display:none}.site-logo img{max-height:40px}
  .nav-core{display:none}.header-actions{grid-column:3}.desktop-menu-toggle{display:none}.header-cta{min-height:40px;padding:0 14px;font-size:14px}
  .hero-grid,.inner-hero-grid,.content-grid,.safety-grid,.article-layout{grid-template-columns:1fr}.hero{padding-top:50px}.hero-visual{max-width:680px;margin:0 auto}.visual-badge{left:14px}
  .highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(2){border-right:0}.highlight-item:nth-child(-n+2){border-bottom:1px solid #edf0f7}
  .triple-grid{grid-template-columns:1fr 1fr}.reviews{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1.5fr 1fr 1fr}.footer-brand{grid-column:1/-1}.article-side{position:static;grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{padding-bottom:72px}.container{width:min(100% - 28px,1180px)}.section{padding:54px 0}.section-tight{padding:34px 0}h1{font-size:42px}h2{font-size:31px}.hero-copy .subtitle{font-size:22px}.hero-copy .desc{font-size:15px}
  .hero-actions .main-btn,.hero-actions .ghost-btn{flex:1 1 145px}.highlight-grid,.dual-grid,.triple-grid,.reviews,.safety-points,.feedback-grid,.article-side{grid-template-columns:1fr}
  .highlight-item{border-right:0!important;border-bottom:1px solid #edf0f7}.highlight-item:last-child{border-bottom:0}.content-grid.reverse .content-media,.content-grid.reverse .content-copy{order:initial}
  .safety-images{grid-template-columns:1fr 1fr}.article-card{padding:22px 18px}.article-card h2{font-size:25px}.drawer-nav{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
  .site-footer{padding-bottom:34px}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:10px;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);min-height:60px;padding:6px;border:1px solid rgba(91,108,255,.2);background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-radius:20px;box-shadow:0 12px 30px rgba(25,43,91,.2)}
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:var(--muted);font-size:12px}.mobile-bottom-nav span{font-size:19px;color:var(--primary);line-height:1.1}
}
@media (max-width:420px){.header-inner{grid-template-columns:44px 1fr 96px}.header-cta{padding:0 10px;font-size:13px}.hero{padding-top:42px}.hero-points{display:grid;grid-template-columns:1fr}.safety-images{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}}