:root{
  --page-bg:#F0F3FA;
  --soft-bg:#EAFBFF;
  --light-bg:#F5FDFF;
  --white:#FFFFFF;
  --title:#27A9E8;
  --nav:#167BB8;
  --text:#1D2B36;
  --muted:#5D7280;
  --hint:#8194A0;
  --footer:#063B5C;
  --footer-text:#EAFBFF;
  --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%);
  --btn-hover:linear-gradient(180deg,#63D2FF 0%,#1597D8 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","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;background:#D8F7FF;opacity:.62;z-index:-1;pointer-events:none}
a{color:var(--title);text-decoration:none;transition:.2s ease}
a:hover{color:#1597D8}
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,.14)}
.header-inner{max-width:1240px;margin:0 auto;height:78px;display:flex;align-items:center;gap:24px;padding:0 22px}
.brand-logo img{width:152px;height:auto}
.nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;white-space:nowrap}
.nav a{color:#167BB8;font-weight:700;font-size:15px;padding:12px 11px;border-radius:14px;position:relative}
.nav a.active,.nav a:hover{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,.14),rgba(39,169,232,.04));box-shadow:inset 0 -2px 0 #27A9E8,0 10px 22px rgba(39,169,232,.16)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--btn);color:#FFFFFF!important;border-radius:999px;padding:11px 24px;font-weight:800;box-shadow:0 10px 24px rgba(39,169,232,.28);border:0;letter-spacing:.02em;line-height:1.2}
.main-btn:hover{background:var(--btn-hover);transform:translateY(-1px);color:#fff!important}
.small-btn{padding:9px 16px;font-size:14px}
.mobile-topbar{display:none;height:66px;align-items:center;justify-content:space-between;padding:0 14px;background:#EAFBFF}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:132px}
.menu-toggle{width:42px;height:42px;border:1px solid rgba(39,169,232,.25);border-radius:14px;background:#F5FDFF;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;box-shadow:0 8px 18px rgba(16,126,180,.12)}
.menu-toggle span{height:2px;background:#167BB8;border-radius:999px}
.drawer-mask{position:fixed;inset:0;background:rgba(6,59,92,.38);z-index:10000;opacity:0;pointer-events:none;transition:.25s ease}
.mobile-drawer{position:fixed;left:0;top:0;height:100vh;width:84vw;max-width:320px;background:#F5FDFF;z-index:10001;transform:translateX(-105%);transition:.28s ease;box-shadow:18px 0 42px rgba(6,59,92,.22);padding:18px;overflow-y:auto}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(39,169,232,.18)}
.drawer-head img{width:138px}
.drawer-close{width:38px;height:38px;border:0;border-radius:12px;background:#EAFBFF;color:#167BB8;font-size:26px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;gap:8px;margin-top:18px}
.drawer-nav a{padding:12px 14px;border-radius:14px;color:#167BB8;font-weight:800;background:#fff;border:1px solid rgba(39,169,232,.14)}
.drawer-nav a.active{color:#27A9E8;box-shadow:inset 3px 0 0 #27A9E8;background:#EAFBFF}
.page-main{max-width:1240px;margin:0 auto;padding:28px 22px 70px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:24px;background:#F5FDFF;box-shadow:0 18px 40px rgba(16,126,180,.14);overflow:hidden;position:relative;min-height:390px;border:1px solid rgba(39,169,232,.18)}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .5s ease;display:grid;grid-template-columns:1fr 1fr;align-items:center;background:#F5FDFF}
.slide.active{position:relative;opacity:1;visibility:visible}
.slide img{width:100%;height:100%;min-height:390px;object-fit:contain;background:#F5FDFF;padding:12px}
.slide-copy{padding:42px 54px;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#27A9E8;background:rgba(39,169,232,.12);border:1px solid rgba(39,169,232,.18);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:800;margin-bottom:12px}
h1,h2,h3,.section-title{color:#27A9E8;line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(32px,5vw,56px)}
h2,.section-title{font-size:clamp(26px,3vw,36px)}
h3{font-size:21px}
p{margin:0 0 15px}.lead{font-size:18px;color:#5D7280}.muted{color:#8194A0}.text-link{font-weight:800}.text-link:after{content:' →'}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.88);color:#167BB8;font-size:24px;box-shadow:0 8px 20px rgba(16,126,180,.15);cursor:pointer}
.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px;z-index:5}.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(22,123,184,.3);cursor:pointer}.slider-dot.active{width:28px;background:#27A9E8}
.section{margin:32px 0;padding:34px;border-radius:24px;background:rgba(245,253,255,.78);border:1px solid rgba(39,169,232,.14);box-shadow:0 12px 32px rgba(16,126,180,.09)}
.section-head{max-width:850px;margin-bottom:24px}.section-head p{color:#5D7280;font-size:17px}.center{text-align:center;margin-left:auto;margin-right:auto}
.hero-intro,.inner-hero,.app-feature{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:30px;align-items:center}.hero-intro{background:linear-gradient(135deg,rgba(245,253,255,.9),rgba(234,251,255,.86));border:1px solid rgba(39,169,232,.18);box-shadow:var(--shadow);border-radius:24px;padding:34px;margin:0 0 34px}.hero-intro img,.inner-hero img,.content-img,.app-feature img{width:100%;max-height:440px;object-fit:contain;background:#F5FDFF;border-radius:22px;border:1px solid rgba(39,169,232,.18);box-shadow:0 12px 28px rgba(16,126,180,.12);padding:10px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.pill-row span,.tag{display:inline-flex;color:#27A9E8;background:#EAFBFF;border:1px solid rgba(39,169,232,.2);border-radius:999px;padding:7px 12px;font-weight:800;font-size:14px}.btn-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:20px}
.grid{display:grid;gap:20px}.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-item,.notice-card{background:rgba(255,255,255,.88);border:1px solid rgba(39,169,232,.22);box-shadow:0 14px 36px rgba(16,126,180,.12);border-radius:22px;padding:24px}.card h3,.zone-card h3,.info-card h3,.review-card h3{margin-bottom:10px}.card p,.zone-card p,.info-card p,.review-card p{color:#5D7280}.zone-card img{width:100%;height:230px;object-fit:contain;background:#F5FDFF;border-radius:18px;margin-bottom:16px;border:1px solid rgba(39,169,232,.12);padding:8px}.number{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;background:#EAFBFF;color:#27A9E8;border-radius:10px;font-weight:900;margin-bottom:12px}
.steps{counter-reset:item;display:grid;gap:16px}.step{display:grid;grid-template-columns:42px 1fr;gap:16px;align-items:start}.step:before{counter-increment:item;content:counter(item);width:38px;height:38px;border-radius:14px;background:#EAFBFF;color:#27A9E8;font-weight:900;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(39,169,232,.18)}
.review-card strong{color:#27A9E8;display:block;margin-bottom:8px}.quote-mark{font-size:28px;color:#27A9E8;line-height:1}.notice-card{background:linear-gradient(135deg,rgba(234,251,255,.95),rgba(255,255,255,.9));border-style:dashed}.notice-card p{color:#5D7280}
.inner-hero{margin:28px 0 32px;padding:36px;border-radius:26px;background:linear-gradient(135deg,rgba(245,253,255,.92),rgba(234,251,255,.88));border:1px solid rgba(39,169,232,.18);box-shadow:var(--shadow)}
.inner-copy .lead{max-width:760px}.figure-note{font-size:14px;color:#8194A0;text-align:center;margin-top:8px}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.text-panel{background:rgba(255,255,255,.72);border-radius:22px;padding:26px;border:1px solid rgba(39,169,232,.16)}
.list-check{list-style:none;margin:0;padding:0;display:grid;gap:12px}.list-check li{position:relative;padding-left:28px;color:#5D7280}.list-check li:before{content:'✓';position:absolute;left:0;top:0;color:#27A9E8;font-weight:900}.faq-list{display:grid;gap:16px}.faq-item h3{font-size:19px}.faq-item p{color:#5D7280}
.footer-reminder{margin-top:28px}.site-footer{background:#063B5C;color:#EAFBFF}.footer-inner{max-width:1240px;margin:0 auto;padding:42px 22px;display:grid;grid-template-columns:1.45fr .75fr .75fr 1.1fr;gap:28px}.footer-brand img{width:148px;background:#EAFBFF;border-radius:18px;padding:6px;margin-bottom:16px}.site-footer p,.site-footer a{color:#EAFBFF;opacity:.88}.site-footer h3{color:#EAFBFF;font-size:18px}.footer-links{display:grid;align-content:start;gap:9px}.footer-bottom{text-align:center;padding:16px;border-top:1px solid rgba(234,251,255,.16);color:rgba(234,251,255,.78)}
@media (max-width:1080px){.nav a{font-size:14px;padding:10px 7px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}.slide-copy{padding:34px}}
@media (max-width:860px){.header-inner{display:none}.mobile-topbar{display:flex}.page-main{padding:18px 14px 52px}.banner-slider{margin:18px auto 26px;min-height:auto;border-radius:20px}.slide{grid-template-columns:1fr}.slide img{min-height:220px;max-height:300px}.slide-copy{padding:28px 28px 16px}.slider-arrow{width:36px;height:36px}.hero-intro,.inner-hero,.app-feature,.two-col{grid-template-columns:1fr}.grid-3,.grid-2{grid-template-columns:1fr}.section{padding:24px 18px;border-radius:20px}.hero-intro,.inner-hero{padding:24px 18px}.zone-card img{height:210px}.footer-inner{grid-template-columns:1fr}.brand-logo img{width:130px}}
@media (max-width:520px){.grid-4{grid-template-columns:1fr}h1{font-size:31px}.slide-copy{padding:24px 20px 14px}.main-btn{padding:10px 18px}.mobile-logo img{width:118px}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-card{padding:20px}.hero-intro img,.inner-hero img,.content-img,.app-feature img{max-height:320px}.pill-row span{font-size:13px}.footer-inner{padding:34px 18px}}