:root{
  --main:#22AEEA;
  --deep:#147FB8;
  --bg:#F3FBFF;
  --soft:#EAF8FF;
  --soft2:#F7FCFF;
  --line:rgba(34,174,234,.16);
  --text:#1F2D3A;
  --muted:#5C6F82;
  --light:#8BA1B5;
  --shadow:0 14px 36px rgba(34,174,234,.12);
  --btn:linear-gradient(135deg,#6DE6FF 0%,#22AEEA 48%,#168DCC 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto;object-fit:contain}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.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{height:76px;display:flex;align-items:center;gap:22px;width:min(1180px,calc(100% - 36px));margin:0 auto}
.brand img{width:148px;max-height:48px;object-fit:contain}
.nav-core{display:flex;gap:10px;margin-left:auto}
.nav-core a{color:var(--deep);background:rgba(34,174,234,.08);padding:10px 16px;border-radius:999px;font-weight:700;white-space:nowrap;border:1px solid transparent}
.nav-core a:hover,.nav-core a.active{color:var(--main);background:linear-gradient(135deg,rgba(109,230,255,.24),rgba(34,174,234,.12));border-color:var(--line)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:4px}
.overview-btn,.close-btn,.menu-btn{border:0;background:#fff;color:var(--deep);font-weight:800;cursor:pointer;border-radius:999px;box-shadow:0 8px 20px rgba(34,174,234,.10)}
.overview-btn{padding:10px 16px;border:1px solid var(--line)}
.close-btn{padding:9px 15px;border:1px solid var(--line)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:999px;background:var(--btn);color:#fff;font-weight:800;box-shadow:0 12px 28px rgba(34,174,234,.24);transition:.2s ease;white-space:nowrap}
.main-btn:hover{transform:translateY(-2px);filter:saturate(1.08)}
.text-link{color:var(--main);font-weight:800;display:inline-flex;align-items:center;gap:6px}
.text-link:after{content:"›";font-size:20px;line-height:1}
.mobile-head{display:none}
.mask{position:fixed;inset:0;background:rgba(11,61,92,.34);opacity:0;visibility:hidden;transition:.25s;z-index:9998}
.mask.show{opacity:1;visibility:visible}
.no-scroll{overflow:hidden}
.category-panel{position:fixed;top:0;right:-430px;width:min(420px,92vw);height:100vh;background:#fff;box-shadow:0 18px 48px rgba(34,174,234,.16);z-index:10000;transition:.3s ease;padding:24px;overflow:auto}
.category-panel.show{right:0}
.panel-head,.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.panel-head h2{margin:2px 0 0;color:var(--main);font-size:26px}
.panel-body{display:grid;gap:22px}
.panel-group h3{margin:0 0 10px;color:var(--deep);font-size:16px}
.panel-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.panel-links a{padding:12px;border:1px solid var(--line);border-radius:18px;background:var(--soft2);transition:.2s}
.panel-links a:hover{border-color:var(--main);transform:translateY(-1px)}
.panel-links strong{display:block;color:var(--main);font-size:15px}
.panel-links span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:3px}
.mobile-drawer{position:fixed;top:0;left:-340px;width:min(320px,86vw);height:100vh;background:linear-gradient(180deg,#fff 0%,#F7FCFF 100%);box-shadow:0 18px 48px rgba(34,174,234,.16);z-index:10000;transition:.3s ease;padding:20px;overflow:auto}
.mobile-drawer.show{left:0}
.drawer-head img{width:132px;max-height:46px}
.drawer-links{display:grid;gap:9px}
.drawer-links a{padding:11px 13px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--deep);font-weight:700}
.mobile-bottom{display:none}
.section-kicker,.label,.num,.tag,.badge{color:var(--main);font-weight:900;letter-spacing:.02em}
h1,h2,h3,.section-title{color:var(--main);line-height:1.25;margin:0 0 14px}
p{margin:0;color:var(--muted)}
ul{margin:16px 0 0;padding-left:20px;color:var(--muted)}
.home-main,.page-main{padding:34px 0 56px}
.hero-section{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:46px;border:1px solid var(--line);border-radius:34px;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%);box-shadow:var(--shadow)}
.hero-copy h1{font-size:44px;max-width:680px}
.hero-copy p{font-size:16px;max-width:680px;color:#42566A}
.hero-actions{display:flex;gap:18px;align-items:center;margin-top:24px;flex-wrap:wrap}
.hero-visual{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);padding:18px;min-height:290px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.hero-visual:before{content:"";position:absolute;inset:20px;border-radius:26px;background:linear-gradient(135deg,rgba(109,230,255,.2),rgba(34,174,234,.06));z-index:0}
.hero-visual img{position:relative;z-index:1;max-height:340px;width:100%;object-fit:contain}
.hero-summary{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:4px}
.hero-summary article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 10px 26px rgba(34,174,234,.09)}
.hero-summary b{display:block;color:var(--deep);font-size:18px;margin-bottom:4px}
.hero-summary span{color:var(--muted);font-size:14px}
.quick-caps{display:flex;gap:12px;overflow-x:auto;padding:22px 0 8px;scrollbar-width:none}
.quick-caps::-webkit-scrollbar{display:none}
.quick-caps a{min-width:158px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:22px;padding:13px 15px;box-shadow:0 10px 24px rgba(34,174,234,.08)}
.quick-caps a:hover{border-color:var(--main)}
.quick-caps span{display:block;color:var(--main);font-weight:900;font-size:12px}
.quick-caps b{display:block;color:var(--deep)}
.quick-caps em{display:block;color:var(--muted);font-style:normal;font-size:12px;line-height:1.5}
.summary-strip,.notice-band{margin-top:28px;background:linear-gradient(135deg,rgba(234,248,255,.9),rgba(255,255,255,.92));border:1px solid var(--line);border-radius:26px;padding:22px 26px;box-shadow:0 10px 28px rgba(34,174,234,.08)}
.summary-strip p,.notice-band p{font-size:16px;color:#426070}
.dashboard{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.info-card,.zone-card,.plain-card,.review-card,.detail-band,.faq-teaser,.about-brief,.support-section,.app-section,.inner-hero{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px}
.info-card{padding:24px}
.info-card h2{font-size:22px;color:var(--deep)}
.num{display:inline-block;margin-bottom:10px}
.split-zone{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}
.zone-card{padding:18px;overflow:hidden}
.zone-card img{width:100%;height:190px;object-fit:contain;margin-bottom:16px;background:var(--soft2);border-radius:22px;padding:8px}
.zone-card.wide{display:grid;grid-template-columns:210px 1fr;gap:18px;align-items:center}
.zone-card.wide img{height:220px;margin:0}
.zone-card h2,.plain-card h2{color:var(--deep);font-size:24px}
.content-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.app-section,.support-section{display:grid;grid-template-columns:360px 1fr;gap:28px;align-items:center;margin-top:28px;padding:26px}
.app-section img,.support-section img{height:260px;width:100%;object-fit:contain;background:var(--soft2);border-radius:24px;padding:12px}
.plain-card{padding:26px}
.reviews,.faq-teaser,.about-brief{margin-top:28px;padding:28px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review-card{padding:18px;color:var(--muted)}
.faq-list{display:grid;gap:12px}
details{background:var(--soft2);border:1px solid var(--line);border-radius:18px;padding:14px 18px}
summary{cursor:pointer;color:var(--deep);font-weight:800}
details p{margin-top:8px}
.about-brief p{font-size:16px;margin-bottom:14px}
.inner-hero{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:center;padding:38px;background:linear-gradient(135deg,#fff 0%,#F3FBFF 54%,#EAF8FF 100%)}
.inner-hero h1{font-size:38px}
.inner-hero img{height:290px;width:100%;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:26px;padding:14px;box-shadow:0 10px 28px rgba(34,174,234,.08)}
.detail-band{display:grid;grid-template-columns:1fr 360px;gap:28px;margin-top:28px;padding:28px;align-items:start}
.detail-band h2{color:var(--deep)}
.detail-band ul{margin:0;background:var(--soft2);border:1px solid var(--line);border-radius:22px;padding:22px 22px 22px 40px}
.site-footer{background:#0B3D5C;color:#EAF8FF;margin-top:56px;padding:42px 0 34px}
.footer-inner{width:min(1180px,calc(100% - 36px));margin:0 auto;display:grid;grid-template-columns:280px 1fr 300px;gap:28px;align-items:start}
.footer-brand img{width:142px;max-height:48px;object-fit:contain;margin-bottom:14px}
.footer-brand p,.footer-notice p{color:#EAF8FF;opacity:.88}
.footer-links{display:flex;flex-wrap:wrap;gap:10px}
.footer-links a{color:#EAF8FF;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:7px 12px;font-size:13px}
.footer-notice strong{display:block;color:#fff;margin-bottom:8px}
.menu-btn{width:42px;height:42px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line)}
.menu-btn span{width:18px;height:2px;background:var(--deep);border-radius:2px}
@media (max-width: 980px){
  .desktop-head{display:none}
  .mobile-head{display:flex;height:66px;justify-content:space-between}
  .mobile-brand{position:absolute;left:50%;transform:translateX(-50%)}
  .mobile-brand img{width:130px;max-height:42px}
  .mobile-register{padding:8px 16px}
  .home-main,.page-main{padding:22px 0 88px}
  .hero-section,.inner-hero{grid-template-columns:1fr;padding:24px;border-radius:26px}
  .hero-copy h1,.inner-hero h1{font-size:31px}
  .hero-visual{min-height:220px}
  .hero-visual img{max-height:260px}
  .hero-summary{grid-template-columns:1fr 1fr}
  .dashboard,.content-wall,.review-grid{grid-template-columns:1fr 1fr}
  .split-zone,.detail-band,.app-section,.support-section{grid-template-columns:1fr}
  .zone-card.wide{grid-template-columns:1fr}
  .zone-card.wide img,.zone-card img{height:180px}
  .inner-hero img,.app-section img,.support-section img{height:220px}
  .footer-inner{grid-template-columns:1fr}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(34,174,234,.10);padding:7px 6px calc(7px + env(safe-area-inset-bottom))}
  .mobile-bottom a{text-align:center;color:var(--deep);font-weight:800;font-size:13px;padding:8px 0;border-radius:14px}
  .mobile-bottom a:hover,.mobile-bottom a:focus{color:var(--main);background:rgba(34,174,234,.08)}
}
@media (max-width: 620px){
  .container{width:min(100% - 24px,1180px)}
  .hero-section,.inner-hero{padding:20px}
  .hero-copy h1,.inner-hero h1{font-size:27px}
  .hero-summary,.dashboard,.content-wall,.review-grid{grid-template-columns:1fr}
  .panel-links{grid-template-columns:1fr}
  .category-panel{padding:18px}
  .quick-caps{margin-left:12px;width:calc(100% - 12px)}
  .summary-strip,.notice-band,.reviews,.faq-teaser,.about-brief,.detail-band,.app-section,.support-section{padding:20px;border-radius:22px}
  .hero-visual{min-height:190px;padding:12px}
  .hero-visual img{max-height:220px}
  .inner-hero img,.app-section img,.support-section img{height:190px}
  .zone-card img,.zone-card.wide img{height:160px}
}