:root{
  --bg:#D8F7FF;
  --body:#F0F3FA;
  --nav:#EAFBFF;
  --soft:#F5FDFF;
  --white:#FFFFFF;
  --blue:#27A9E8;
  --deep-blue:#167BB8;
  --text:#1D2B36;
  --muted:#5D7280;
  --light:#8194A0;
  --footer:#063B5C;
  --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:#F0F3FA;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.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-head{min-height:82px;display:flex;align-items:center;gap:24px}
.logo img{width:156px;max-height:54px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap}
.nav a{color:#167BB8;font-weight:700;font-size:15px;padding:10px 12px;border-radius:14px;transition:.2s 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;background:linear-gradient(180deg,#52C8FF 0%,#27A9E8 55%,#168BD0 100%);color:#FFFFFF;border-radius:999px;padding:11px 24px;font-weight:800;box-shadow:0 10px 24px rgba(39,169,232,0.28);border:0;cursor:pointer;transition:.2s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px)}
.header-btn{min-width:86px}.mobile-head{display:none}.site-main{background:linear-gradient(180deg,#D8F7FF 0%,#F0F3FA 42%,#D8F7FF 100%);padding-bottom:42px;min-height:70vh}
.hero-pad{padding:34px 0 0}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#F5FDFF;box-shadow:0 18px 40px rgba(16,126,180,0.14);overflow:hidden;position:relative;border:1px solid rgba(39,169,232,0.2)}
.slider-track{position:relative;height:clamp(310px,42vw,520px);background:#F5FDFF}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .55s ease;display:grid;grid-template-columns:minmax(0,1fr);align-items:center;background:#F5FDFF}.slide.active{opacity:1;pointer-events:auto}.slide img{width:100%;height:100%;object-fit:contain;background:#F5FDFF}.slide-copy{position:absolute;left:clamp(18px,5vw,64px);top:50%;transform:translateY(-50%);width:min(460px,72%);padding:24px;border-radius:20px;background:rgba(245,253,255,.78);border:1px solid rgba(39,169,232,.18);box-shadow:0 18px 36px rgba(16,126,180,.12)}
.slide-copy .eyebrow,.eyebrow{display:inline-flex;align-items:center;color:#27A9E8;background:rgba(39,169,232,.12);border:1px solid rgba(39,169,232,.18);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:800;margin-bottom:10px}.slide-copy h1,.slide-copy h2{margin:0 0 10px;color:#27A9E8;font-size:clamp(26px,4vw,44px);line-height:1.18}.slide-copy p{margin:0;color:#1D2B36;font-weight:600}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(39,169,232,.24);background:rgba(255,255,255,.88);color:#27A9E8;font-size:28px;line-height:1;box-shadow:0 12px 24px rgba(16,126,180,.15);cursor:pointer;z-index:2}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:8px;z-index:2}.slider-dot{width:11px;height:11px;border-radius:999px;border:0;background:rgba(22,123,184,.28);cursor:pointer;transition:.2s ease}.slider-dot.active{width:28px;background:#27A9E8;box-shadow:0 6px 14px rgba(39,169,232,.28)}
.section{padding:42px 0}.section-tight{padding:24px 0}.section-head{max-width:820px;margin:0 auto 24px;text-align:center}.section-head.left{text-align:left;margin-left:0}.section-title,h1,h2,h3{color:#27A9E8}.section-title{font-size:clamp(26px,3.2vw,38px);line-height:1.25;margin:0 0 12px}.section-head p,.muted{color:#5D7280}.lead{font-size:18px;color:#5D7280;margin:0}.grid{display:grid;gap:22px}.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,.feature-card,.faq-item,.notice-box,.page-hero,.image-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:22px}.card,.info-card,.review-card,.feature-card,.faq-item,.notice-box{padding:24px}.card h3,.info-card h3,.feature-card h3,.review-card h3,.faq-item h3{margin:0 0 10px;color:#27A9E8}.card p,.info-card p,.feature-card p,.review-card p,.faq-item 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}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.pill{color:#27A9E8;background:rgba(39,169,232,.12);border:1px solid rgba(39,169,232,.22);padding:6px 12px;border-radius:999px;font-weight:800;font-size:14px}.split{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);gap:28px;align-items:center}.split.reverse{grid-template-columns:minmax(320px,.96fr) minmax(0,1.04fr)}.intro-card{padding:34px}.intro-card p{color:#5D7280}.image-panel{padding:16px;background:#F5FDFF}.content-img,.zone-card img,.app-section img,.banner-slider img,.image-panel img{max-width:100%;height:auto}.image-panel img,.zone-card img{width:100%;border-radius:18px;object-fit:contain;background:#F5FDFF;max-height:360px}.zone-card{overflow:hidden}.zone-card .zone-body{padding:22px}.zone-card h3{margin:0 0 10px;color:#27A9E8}.zone-card p{margin:0;color:#5D7280}.numbered{counter-reset:item;display:grid;gap:16px}.numbered .info-card{position:relative;padding-left:70px}.numbered .info-card::before{counter-increment:item;content:counter(item);position:absolute;left:22px;top:24px;width:34px;height:34px;border-radius:12px;background:rgba(39,169,232,.13);color:#27A9E8;display:grid;place-items:center;font-weight:900}.review-card strong{display:block;color:#1D2B36;margin-bottom:8px}.review-card p{font-size:15px}.faq-list{display:grid;gap:16px}.faq-item h3{font-size:18px}.notice-box{background:linear-gradient(180deg,rgba(245,253,255,.96),rgba(255,255,255,.88));border-color:rgba(39,169,232,.28)}.notice-box p{margin:0;color:#5D7280}.page-hero{padding:42px;margin-top:34px;overflow:hidden}.page-hero .split{gap:34px}.page-hero h1{font-size:clamp(30px,4.2vw,48px);line-height:1.18;margin:0 0 14px}.page-hero p{color:#5D7280;margin:0 0 16px}.mini-list{display:grid;gap:12px;margin:20px 0 0;padding:0;list-style:none}.mini-list li{color:#5D7280;background:rgba(234,251,255,.78);border:1px solid rgba(39,169,232,.16);border-radius:16px;padding:12px 14px}.article{background:rgba(255,255,255,.88);border:1px solid rgba(39,169,232,.22);box-shadow:var(--shadow);border-radius:24px;padding:32px}.article p{color:#5D7280;margin:0 0 16px}.article p:last-child{margin-bottom:0}.site-footer{background:#063B5C;color:#EAFBFF;padding:48px 0 18px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-logo img{width:150px;max-height:52px;object-fit:contain;margin-bottom:14px}.footer-brand p,.footer-note p{color:#EAFBFF;opacity:.88;margin:0}.footer-col{display:grid;gap:8px;align-content:start}.footer-col h3{color:#EAFBFF;margin:0 0 8px}.footer-col a{color:#EAFBFF;opacity:.88}.footer-col a:hover{opacity:1;color:#FFFFFF}.footer-note{border-top:1px solid rgba(234,251,255,.16);margin-top:30px;padding-top:16px;display:flex;justify-content:space-between;gap:18px;font-size:14px}.drawer-mask,.mobile-drawer{display:none}
@media (max-width:1080px){.desktop-head{display:none}.mobile-head{display:grid;grid-template-columns:58px 1fr auto;align-items:center;min-height:72px;padding:0 14px;background:#EAFBFF}.menu-toggle{width:44px;height:44px;border:0;background:rgba(39,169,232,.11);border-radius:14px;display:grid;place-content:center;gap:5px}.menu-toggle span{display:block;width:22px;height:2px;background:#167BB8;border-radius:999px}.mobile-logo{justify-self:center}.mobile-logo img{width:142px;max-height:50px;object-fit:contain}.mobile-reg{padding:9px 17px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.38);z-index:10000;opacity:0;pointer-events:none;transition:.25s ease}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);background:#F5FDFF;z-index:10001;transform:translateX(-105%);transition:.3s ease;box-shadow:16px 0 36px rgba(0,0,0,.18);overflow-y:auto}.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-top{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(39,169,232,.16)}.drawer-logo img{width:138px;max-height:48px;object-fit:contain}.drawer-close{border:0;background:rgba(39,169,232,.12);color:#167BB8;width:40px;height:40px;border-radius:14px;font-size:28px;line-height:1}.drawer-nav{display:grid;padding:14px}.drawer-nav a{color:#167BB8;font-weight:800;padding:13px 14px;border-radius:14px}.drawer-nav a.active,.drawer-nav a:hover{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}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{overflow:auto}.slider-track{height:clamp(280px,58vw,430px)}.slide-copy{width:min(430px,82%);padding:18px}.split,.split.reverse{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-note{flex-direction:column}}
@media (max-width:720px){.container{width:min(100% - 22px,1200px)}.section{padding:30px 0}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.page-hero{padding:24px;margin-top:22px}.intro-card,.article{padding:24px}.slider-track{height:360px}.slide-copy{left:14px;right:14px;width:auto;top:auto;bottom:48px;transform:none}.slide-copy h1,.slide-copy h2{font-size:25px}.slider-arrow{width:36px;height:36px;font-size:24px}.slider-prev{left:10px}.slider-next{right:10px}.numbered .info-card{padding-left:24px}.numbered .info-card::before{position:static;margin-bottom:12px}.footer-grid{grid-template-columns:1fr}.footer-col{border-top:1px solid rgba(234,251,255,.14);padding-top:16px}.mobile-logo img{width:126px}.mobile-reg{padding:8px 14px}.image-panel img,.zone-card img{max-height:280px}.hero-pad{padding-top:18px}}