:root{
  --bg:#F3FBFF;
  --soft:#EAF8FF;
  --light:#F7FCFF;
  --blue:#22AEEA;
  --deep:#147FB8;
  --text:#1F2D3A;
  --muted:#5C6F82;
  --hint:#8BA1B5;
  --line:rgba(34,174,234,0.16);
  --shadow:0 14px 36px rgba(34,174,234,0.12);
  --grad:linear-gradient(135deg,#6DE6FF 0%,#22AEEA 48%,#168DCC 100%);
  --footer:#0B3D5C;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(34,174,234,.10)}
.header-inner{max-width:1200px;margin:0 auto;height:74px;padding:0 22px;display:flex;align-items:center;gap:18px}
.brand-logo{display:flex;align-items:center;flex:0 0 auto}
.brand-logo img{width:152px;max-height:48px;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;min-width:0}
.nav-core a{color:var(--deep);background:rgba(34,174,234,.08);padding:10px 16px;border-radius:999px;font-weight:700;font-size:15px;white-space:nowrap;border:1px solid transparent}
.nav-core a:hover,.nav-core a.active{color:var(--blue);background:linear-gradient(135deg,rgba(109,230,255,.24),rgba(34,174,234,.12));border-color:var(--line)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.panel-btn{border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:999px;padding:10px 16px;font-weight:700;cursor:pointer}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--grad);color:#fff!important;border-radius:999px;padding:11px 22px;font-weight:800;box-shadow:0 12px 26px rgba(34,174,234,.22);transition:.2s ease;white-space:nowrap;border:0}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(34,174,234,.30)}
.page-main{padding-top:0}
.container{max-width:1160px;margin:0 auto;padding:0 22px}
.hero-section{background:radial-gradient(circle at 12% 20%,rgba(109,230,255,.24) 0%,rgba(109,230,255,0) 30%),radial-gradient(circle at 86% 18%,rgba(34,174,234,.18) 0%,rgba(34,174,234,0) 30%),linear-gradient(135deg,#FFFFFF 0%,#F3FBFF 52%,#EAF8FF 100%);padding:64px 0 34px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:34px;align-items:center}
.kicker,.section-kicker,.tag,.label,.num,.badge{color:var(--blue);font-weight:800;letter-spacing:.03em}
.kicker{display:inline-flex;padding:6px 12px;border-radius:999px;background:rgba(34,174,234,.10);border:1px solid var(--line);margin-bottom:12px}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(32px,5vw,56px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:21px}
p{margin:0 0 14px}
.lead{font-size:18px;color:var(--muted)}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:22px;flex-wrap:wrap}
.text-link{font-weight:800;color:var(--blue)}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-visual:before{content:"";position:absolute;inset:auto -30px -30px auto;width:150px;height:150px;background:rgba(109,230,255,.24);border-radius:50%}
.hero-visual img{height:320px;width:100%;object-fit:contain;position:relative}
.summary-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.summary-card,.card,.info-card,.zone-card,.review-card,.faq-card,.notice-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:20px}
.summary-card strong{display:block;color:var(--deep);font-size:18px}
.summary-card span,.muted{color:var(--muted)}
.pill-nav{display:flex;gap:12px;overflow-x:auto;padding:22px 0 8px}
.pill-nav a{min-width:178px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:22px;padding:14px;color:var(--text)}
.pill-nav b{display:block;color:var(--deep)}
.pill-nav span{font-size:13px;color:var(--muted)}
.band{margin:34px 0;background:linear-gradient(135deg,#fff,#EAF8FF);border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.two-col{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:34px 0}
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:34px 0}
.card-img{height:220px;width:100%;object-fit:contain;background:var(--light);border-radius:18px;margin-bottom:16px;padding:10px}
.zone-card img{height:180px;width:100%;object-fit:contain;background:var(--light);border-radius:18px;margin-bottom:14px;padding:10px}
.app-feature{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(0,1.1fr);gap:28px;align-items:center;margin:34px 0}
.app-feature img,.content-img{height:280px;width:100%;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}
.feature-list span{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;color:var(--deep);font-weight:700}
.reviews,.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}
.review-card p{color:var(--muted)}
.notice-card{background:linear-gradient(135deg,#fff,#EAF8FF);margin:32px 0}
.page-hero{padding:52px 0 24px;background:linear-gradient(135deg,#fff 0%,#F3FBFF 56%,#EAF8FF 100%)}
.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;margin:28px auto 48px}
.content-section{background:#fff;border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:var(--shadow);margin-bottom:20px}
.side-card{position:sticky;top:96px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:var(--shadow)}
.side-card img{height:200px;width:100%;object-fit:contain;background:var(--light);border-radius:18px;padding:10px;margin-bottom:14px}
.service-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}
.service-points div{background:var(--light);border:1px solid var(--line);border-radius:18px;padding:16px}
.qa{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.qa strong{display:block;color:var(--deep)}
.site-footer{background:var(--footer);color:#EAF8FF;padding:42px 0 36px}
.footer-inner{max-width:1160px;margin:0 auto;padding:0 22px}
.footer-brand{display:grid;grid-template-columns:180px minmax(0,1fr);gap:20px;align-items:center}
.footer-brand img{width:160px;max-height:56px;object-fit:contain;background:#fff;border-radius:16px;padding:8px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin:24px 0}
.footer-links a{color:#EAF8FF;font-weight:700}
.footer-note{color:#CFEFFF;font-size:14px}
.panel-overlay,.mobile-overlay{position:fixed;inset:0;background:rgba(7,28,42,.42);opacity:0;visibility:hidden;transition:.22s ease;z-index:9998}
.category-panel{position:fixed;top:0;right:0;width:min(480px,92vw);height:100vh;background:#fff;box-shadow:0 18px 48px rgba(34,174,234,.16);z-index:10000;transform:translateX(105%);transition:.26s ease;overflow:auto}
.panel-open .category-panel{transform:translateX(0)}
.panel-open .panel-overlay{opacity:1;visibility:visible}
.panel-head,.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;border-bottom:1px solid var(--line)}
.panel-head strong{display:block;color:var(--blue);font-size:20px}
.panel-head span{color:var(--muted);font-size:14px}
.close-btn{border:0;background:rgba(34,174,234,.10);color:var(--deep);border-radius:50%;width:38px;height:38px;font-size:26px;cursor:pointer}
.panel-groups{padding:18px;display:grid;gap:16px}
.panel-groups section{background:var(--light);border:1px solid var(--line);border-radius:20px;padding:16px}
.panel-groups a{display:block;padding:10px;border-radius:14px;color:var(--text)}
.panel-groups a:hover{background:#fff;color:var(--blue)}
.panel-groups b{display:block}
.panel-groups span{display:block;color:var(--muted);font-size:13px}
.mobile-only,.mobile-bottom-nav{display:none}
.menu-btn{border:0;background:rgba(34,174,234,.10);border-radius:14px;width:42px;height:42px;padding:10px}
.menu-btn span{display:block;height:2px;background:var(--deep);margin:5px 0;border-radius:2px}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:linear-gradient(135deg,#fff,#F7FCFF);z-index:10000;transform:translateX(-105%);transition:.26s ease;overflow:auto}
.drawer-head img{width:150px;max-height:50px;object-fit:contain}
.mobile-drawer nav{display:grid;padding:14px}
.mobile-drawer a{padding:12px 14px;border-radius:14px;color:var(--text);font-weight:700}
.mobile-drawer a.active,.mobile-drawer a:hover{background:rgba(34,174,234,.10);color:var(--blue)}
.mobile-open .mobile-drawer{transform:translateX(0)}
.mobile-open .mobile-overlay{opacity:1;visibility:visible}
@media (max-width: 980px){
  .desktop-only{display:none!important}
  .mobile-only{display:inline-block}
  .header-inner{height:64px;padding:0 14px;justify-content:space-between}
  .brand-logo{position:absolute;left:50%;transform:translateX(-50%)}
  .brand-logo img{width:138px}
  .header-actions{margin-left:0}
  .main-btn{padding:9px 16px}
  .hero-section{padding:38px 0 24px}
  .hero-grid,.app-feature,.page-layout{grid-template-columns:1fr}
  .hero-visual img{height:250px}
  .summary-cards,.grid-4{grid-template-columns:repeat(2,1fr)}
  .two-col,.three-col,.reviews,.faq-grid{grid-template-columns:1fr}
  .side-card{position:static}
  .footer-brand{grid-template-columns:1fr}
  .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:9997}
  .mobile-bottom-nav a{text-align:center;padding:10px 4px;color:var(--muted);font-weight:800;font-size:13px}
  .mobile-bottom-nav a.active{color:var(--blue)}
  body{padding-bottom:54px}
}
@media (max-width: 560px){
  .container{padding:0 15px}
  .summary-cards,.grid-4,.feature-list,.service-points{grid-template-columns:1fr}
  .card,.info-card,.zone-card,.review-card,.faq-card,.notice-card,.content-section{padding:18px;border-radius:20px}
  .card-img,.zone-card img{height:150px}
  .app-feature img,.content-img{height:210px}
}