:root{
    --bg:#F0F3FA;
    --nav:#EAFBFF;
    --soft:#F5FDFF;
    --white:#FFFFFF;
    --cyan:#C8F0FF;
    --blue:#27A9E8;
    --navtext:#167BB8;
    --deep:#1D2B36;
    --muted:#5D7280;
    --hint:#8194A0;
    --footer:#063B5C;
    --line:rgba(39,169,232,0.22);
    --card:rgba(255,255,255,0.88);
    --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(--bg);color:var(--deep);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:9999;background:var(--nav);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(16,126,180,0.14)}
.header-inner{max-width:1240px;margin:0 auto;min-height:76px;padding:0 20px;display:flex;align-items:center;gap:18px}
.logo-link{display:flex;align-items:center;flex:0 0 auto}
.logo-link img{width:156px;max-height:54px;object-fit:contain}
.desktop-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0}
.nav-link{color:var(--navtext);font-weight:700;font-size:14px;padding:20px 10px;border-radius:14px;white-space:nowrap;transition:.2s ease}
.nav-link:hover,.nav-link.active{color:var(--blue);background:linear-gradient(180deg,rgba(39,169,232,0.14),rgba(39,169,232,0.04));box-shadow:inset 0 -2px 0 var(--blue),0 10px 22px rgba(39,169,232,0.16)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:var(--btn);color:#fff;border-radius:999px;box-shadow:0 10px 24px rgba(39,169,232,0.28);font-weight:800;border:0;transition:.2s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px)}
.header-btn{min-width:88px}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:rgba(255,255,255,.64);border-radius:14px;padding:10px;box-shadow:0 8px 18px rgba(16,126,180,.12)}
.menu-toggle span{display:block;height:3px;background:var(--navtext);border-radius:999px;margin:5px 0}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:var(--soft);z-index:10001;transform:translateX(-105%);transition:transform .28s ease;box-shadow:16px 0 35px rgba(6,59,92,.22);overflow-y:auto}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;visibility:hidden;transition:.24s ease}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}
.drawer-logo img{width:145px;max-height:52px;object-fit:contain}
.drawer-close{width:40px;height:40px;border:0;border-radius:50%;background:#fff;color:var(--blue);font-size:28px;line-height:40px;box-shadow:0 8px 18px rgba(16,126,180,.12)}
.drawer-nav{display:grid;gap:8px;padding:16px}
.drawer-link{padding:13px 14px;border-radius:14px;color:var(--navtext);background:rgba(255,255,255,.72);font-weight:700;border:1px solid rgba(39,169,232,.12)}
.drawer-link.active{color:var(--blue);box-shadow:inset 0 -2px 0 var(--blue);background:#fff}
main{min-height:60vh}
.container{width:min(1200px,calc(100% - 36px));margin:0 auto}
.hero-section,.page-hero{width:min(1200px,calc(100% - 36px));margin:28px auto 36px;border-radius:24px;background:var(--card);box-shadow:0 18px 40px rgba(16,126,180,0.14);overflow:hidden;position:relative;border:1px solid rgba(39,169,232,.18)}
.hero-grid,.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:30px;align-items:center;padding:42px}
.hero-text h1,.page-hero h1{font-size:clamp(32px,5vw,58px);line-height:1.12;color:var(--blue);margin:0 0 18px;letter-spacing:-.02em}
.eyebrow{display:inline-flex;align-items:center;margin-bottom:14px;padding:7px 13px;border-radius:999px;background:rgba(39,169,232,.11);color:var(--blue);font-weight:800;font-size:14px}
.hero-text p,.page-hero p{font-size:17px;color:var(--muted);margin:0 0 18px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px}
.text-link{color:var(--blue);font-weight:800;display:inline-flex;align-items:center;gap:6px}
.text-link:after{content:'›';font-size:20px;line-height:1}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 4px}
.tag-list span{padding:8px 13px;border-radius:999px;background:rgba(200,240,255,.66);color:var(--blue);font-weight:800;font-size:14px;border:1px solid rgba(39,169,232,.18)}
.hero-media,.page-media{background:linear-gradient(180deg,#F5FDFF,#EAFBFF);border-radius:22px;padding:18px;box-shadow:inset 0 0 0 1px rgba(39,169,232,.14)}
.hero-media img,.page-media img,.content-img,.zone-card img,.app-panel img{width:100%;height:auto;max-height:430px;object-fit:contain;margin:auto;border-radius:18px}
.section{padding:28px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:20px}
.section-title,h2,h3{color:var(--blue)}
.section-title{font-size:clamp(26px,3vw,38px);line-height:1.2;margin:0}
.section-head p{max-width:720px;color:var(--muted);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-item,.notice-box{background:var(--card);border:1px solid var(--line);box-shadow:0 14px 36px rgba(16,126,180,0.12);border-radius:20px;padding:22px}
.card h3,.zone-card h3,.info-card h3,.review-card h3{margin:0 0 10px;color:var(--blue);font-size:20px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{color:var(--muted);margin:0 0 12px}
.zone-card{display:grid;gap:15px}
.zone-card img{max-height:220px;background:#fff}
.icon-number{width:42px;height:42px;border-radius:14px;background:rgba(39,169,232,.12);color:var(--blue);display:inline-flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:12px}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:22px;align-items:center}
.copy-box{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}
.copy-box p{color:var(--muted);margin:0 0 14px}
.keyword-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.keyword-list span{color:var(--blue);font-weight:800;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px}
.step-list{display:grid;gap:14px}
.step-list li{list-style:none;background:rgba(255,255,255,.74);border:1px solid rgba(39,169,232,.16);border-radius:16px;padding:15px 16px;color:var(--muted)}
.step-list strong{color:var(--blue)}
.review-card{position:relative}
.review-card:before{content:'“';position:absolute;top:4px;right:18px;font-size:64px;color:rgba(39,169,232,.13);font-family:Georgia,serif}
.review-author{display:block;color:var(--blue);font-weight:900;margin-top:10px}
.faq-list{display:grid;gap:14px}
.faq-item h3{margin:0 0 8px;font-size:18px;color:var(--blue)}
.notice-box{background:linear-gradient(180deg,rgba(200,240,255,.74),rgba(255,255,255,.88));display:grid;gap:10px}
.notice-box strong{color:var(--blue)}
.breadcrumb{width:min(1200px,calc(100% - 36px));margin:22px auto -6px;color:var(--hint);font-size:14px}
.breadcrumb a{color:var(--blue);font-weight:800}
.page-content{width:min(1200px,calc(100% - 36px));margin:0 auto 34px}
.rich-text{display:grid;gap:18px}
.rich-text p{margin:0;color:var(--muted)}
.app-panel{background:linear-gradient(180deg,#F5FDFF,#FFFFFF);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.site-footer{margin-top:40px;background:var(--footer);color:#EAFBFF;padding:48px 0 22px}
.footer-inner{width:min(1200px,calc(100% - 36px));margin:0 auto;display:grid;grid-template-columns:1.3fr repeat(3,.7fr);gap:28px}
.footer-brand img{width:160px;max-height:58px;object-fit:contain;background:rgba(255,255,255,.08);border-radius:14px;padding:5px;margin-bottom:14px}
.footer-brand p,.footer-note{color:rgba(234,251,255,.86);margin:0}
.footer-col{display:grid;align-content:start;gap:9px}
.footer-col h3{color:#EAFBFF;margin:0 0 8px;font-size:18px}
.footer-col a{color:rgba(234,251,255,.86)}
.footer-col a:hover{color:#fff}
.footer-note{width:min(1200px,calc(100% - 36px));margin:30px auto 0;padding-top:18px;border-top:1px solid rgba(234,251,255,.18);font-size:14px}
@media (max-width:1120px){
    .desktop-nav{display:none}
    .menu-toggle{display:block}
    .header-inner{justify-content:space-between;min-height:70px}
    .logo-link{position:absolute;left:50%;transform:translateX(-50%)}
    .logo-link img{width:138px}
    .header-btn{min-width:76px;padding:0 18px}
}
@media (max-width:900px){
    .hero-grid,.page-hero-grid,.split{grid-template-columns:1fr;padding:26px}
    .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
    .section-head{display:block}
    .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
    .container,.hero-section,.page-hero,.page-content,.breadcrumb,.footer-inner,.footer-note{width:min(100% - 24px,1200px)}
    .hero-section,.page-hero{margin-top:18px;border-radius:18px}
    .hero-grid,.page-hero-grid{padding:20px;gap:18px}
    .hero-text p,.page-hero p{font-size:15px}
    .section{padding:20px 0}
    .card,.zone-card,.info-card,.review-card,.faq-item,.notice-box,.copy-box{padding:18px;border-radius:17px}
    .hero-media img,.page-media img,.content-img,.zone-card img,.app-panel img{max-height:320px}
    .footer-inner{grid-template-columns:1fr}
    .header-inner{padding:0 12px}
    .logo-link img{width:120px}
    .main-btn{min-height:40px;padding:0 17px}
}