:root{
  --page-bg:#F0F3FA;
  --nav-bg:#EAFBFF;
  --soft-bg:#F5FDFF;
  --white:#FFFFFF;
  --ice:#C8F0FF;
  --blue:#27A9E8;
  --deep-blue:#167BB8;
  --text:#1D2B36;
  --muted:#5D7280;
  --hint:#8194A0;
  --footer:#063B5C;
  --card:rgba(255,255,255,0.88);
  --border:rgba(39,169,232,0.22);
  --shadow:0 14px 36px rgba(16,126,180,0.14);
  --btn:linear-gradient(180deg,#52C8FF 0%,#27A9E8 55%,#168BD0 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page-bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:#EAFBFF;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(16,126,180,0.14)}
.desktop-nav-wrap{max-width:1280px;margin:0 auto;min-height:76px;padding:0 22px;display:flex;align-items:center;gap:18px}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--blue);letter-spacing:.04em;white-space:nowrap}
.site-logo img{width:52px;height:52px;object-fit:contain}.drawer-logo img{width:48px;height:48px;object-fit:contain}.footer-logo img{width:54px;height:54px;object-fit:contain}
.nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;min-width:0}
.nav a{color:#167BB8;font-weight:700;font-size:15px;padding:10px 9px;border-radius:12px;white-space:nowrap;transition:.22s ease}
.nav a:hover,.nav a.active{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,0.14),rgba(39,169,232,0.04));box-shadow:inset 0 -2px 0 #27A9E8,0 10px 22px rgba(39,169,232,0.16)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 22px;border-radius:999px;background:var(--btn);color:#FFFFFF;font-weight:800;box-shadow:0 10px 24px rgba(39,169,232,0.28);border:0;transition:.22s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px)}
.header-btn{min-height:40px;padding:8px 21px}.mobile-topbar{display:none}.site-main{padding-top:0}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}.wide{width:min(1280px,calc(100% - 32px));margin:0 auto}
.hero-section,.inner-hero{width:min(1200px,calc(100% - 32px));margin:28px auto 36px;border-radius:24px;background:rgba(255,255,255,0.88);box-shadow:0 18px 40px rgba(16,126,180,0.14);overflow:hidden;position:relative;border:1px solid rgba(39,169,232,0.18)}
.hero-grid,.inner-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center;padding:46px}.hero-copy h1,.inner-copy h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:12px 0 18px;color:#27A9E8;letter-spacing:-.02em}.inner-copy h1{font-size:clamp(32px,4vw,48px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;background:rgba(39,169,232,0.12);color:#27A9E8;font-weight:800;font-size:14px}.hero-copy p,.inner-copy p{font-size:18px;color:#5D7280;margin:0 0 22px}.hero-copy .summary{font-size:16px;color:#1D2B36;max-width:640px}.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.tag-row span{padding:8px 13px;border-radius:999px;background:#EAFBFF;color:#27A9E8;font-weight:700;border:1px solid rgba(39,169,232,.2)}
.hero-image,.inner-image{border-radius:22px;background:#F5FDFF;padding:18px;border:1px solid rgba(39,169,232,.16);box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}
.hero-image img,.inner-image img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;border-radius:18px}.hero-image img{max-height:430px;object-fit:contain}.inner-image img{max-height:390px;object-fit:contain}
.section{width:min(1200px,calc(100% - 32px));margin:0 auto 36px}.section-head{margin-bottom:20px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px}.section-title,h1,h2,h3{color:#27A9E8}.section-title{font-size:clamp(26px,3vw,38px);line-height:1.2;margin:0}.section-desc{color:#5D7280;max-width:760px;margin:8px 0 0}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card{background:rgba(255,255,255,0.88);border:1px solid rgba(39,169,232,0.22);box-shadow:0 14px 36px rgba(16,126,180,0.12);border-radius:20px;padding:24px}.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3{margin:0 0 10px;color:#27A9E8;font-size:21px}.card p,.zone-card p,.info-card p,.review-card p,.faq-card p{margin:0;color:#5D7280}.text-link{display:inline-flex;margin-top:14px;color:#27A9E8;font-weight:800}.text-link:after{content:"›";margin-left:6px}.zone-card{display:flex;flex-direction:column;gap:14px}.zone-card img{max-height:210px;background:#F5FDFF}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center}.split.reverse{grid-template-columns:1.1fr .9fr}.panel{background:rgba(255,255,255,0.88);border:1px solid rgba(39,169,232,0.22);box-shadow:0 14px 36px rgba(16,126,180,0.12);border-radius:24px;padding:30px}.panel p{color:#5D7280}.pill-list{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}.pill-list span{padding:8px 12px;border-radius:999px;background:#EAFBFF;color:#27A9E8;font-weight:700}.steps{counter-reset:item;display:grid;gap:14px}.step{position:relative;padding:20px 20px 20px 68px;border-radius:18px;background:#FFFFFF;border:1px solid rgba(39,169,232,0.2)}.step:before{counter-increment:item;content:counter(item);position:absolute;left:18px;top:20px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#C8F0FF;color:#27A9E8;font-weight:900}.review-card{min-height:170px}.review-role{color:#27A9E8;font-weight:800;margin-bottom:8px}.notice-strip{width:min(1200px,calc(100% - 32px));margin:0 auto 44px;border-radius:20px;background:#C8F0FF;color:#1D2B36;padding:22px 26px;border:1px solid rgba(39,169,232,0.22)}.notice-strip strong{color:#27A9E8}.quote{font-size:15px;color:#5D7280}.mini-list{display:grid;gap:12px;margin-top:12px}.mini-list p{margin:0;padding-left:18px;position:relative}.mini-list p:before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:#27A9E8}.faq-list{display:grid;gap:16px}.faq-card h3{font-size:19px}.site-footer{background:#063B5C;color:#EAFBFF;margin-top:48px;padding:46px 0 24px}.footer-grid{width:min(1200px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,.7fr);gap:28px}.footer-brand p,.footer-note p{color:#EAFBFF;opacity:.88;margin:14px 0 0}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{color:#EAFBFF;margin:0 0 8px;font-size:18px}.footer-col a{color:#EAFBFF;opacity:.88}.footer-col a:hover{opacity:1;color:#C8F0FF}.footer-note{width:min(1200px,calc(100% - 32px));margin:28px auto 0;border-top:1px solid rgba(234,251,255,.2);padding-top:18px}.drawer-mask,.mobile-drawer{display:none}
@media (max-width:1120px){.nav a{font-size:14px;padding:9px 6px}.site-logo span{display:none}}
@media (max-width:920px){
  .desktop-nav-wrap{display:none}.mobile-topbar{display:grid;grid-template-columns:72px 1fr 90px;align-items:center;min-height:68px;padding:0 14px;background:#EAFBFF}.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:grid;place-items:center;gap:4px;padding:8px;cursor:pointer}.menu-toggle span{display:block;width:24px;height:2px;background:#167BB8;border-radius:99px}.mobile-logo{justify-self:center}.mobile-logo img{height:46px;width:auto;object-fit:contain}.mobile-topbar .header-btn{justify-self:end;min-height:36px;padding:7px 15px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.36);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{display:flex;position:fixed;top:0;bottom:0;left:0;width:82vw;max-width:320px;background:#F5FDFF;z-index:10001;transform:translateX(-105%);transition:.3s ease;box-shadow:18px 0 40px rgba(6,59,92,.18);padding:18px;flex-direction:column;overflow:auto}.mobile-drawer.open{transform:translateX(0)}body.drawer-open{overflow:hidden}.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid rgba(39,169,232,.24);background:#FFFFFF;color:#27A9E8;font-size:26px;line-height:1}.drawer-nav{display:grid;gap:8px}.drawer-nav a{padding:13px 14px;border-radius:14px;color:#167BB8;font-weight:800;background:#FFFFFF;border:1px solid rgba(39,169,232,.12)}.drawer-nav a.active{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,.14),rgba(39,169,232,.04));box-shadow:inset 0 -2px 0 #27A9E8}.hero-grid,.inner-grid,.split,.split.reverse{grid-template-columns:1fr}.hero-grid,.inner-grid{padding:28px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr 1fr}.section-head{display:block}.footer-grid{grid-template-columns:1fr 1fr}.hero-image img,.inner-image img{max-height:340px}
}
@media (max-width:620px){.container,.wide,.section,.hero-section,.inner-hero,.notice-strip{width:min(100% - 22px,1200px)}.hero-grid,.inner-grid{padding:22px}.hero-copy h1,.inner-copy h1{font-size:32px}.hero-copy p,.inner-copy p{font-size:16px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card,.panel{padding:20px}.footer-grid{grid-template-columns:1fr}.mobile-topbar{grid-template-columns:58px 1fr 82px}.mobile-logo img{height:42px}.hero-image img,.inner-image img{max-height:300px}.section{margin-bottom:28px}}