:root{
    --bg:#F0F3FA;
    --nav-bg:#EAFBFF;
    --soft:#F5FDFF;
    --white:#FFFFFF;
    --cyan:#C8F0FF;
    --primary:#27A9E8;
    --nav:#167BB8;
    --text:#1D2B36;
    --muted:#5D7280;
    --light:#8194A0;
    --footer:#063B5C;
    --footer-text:#EAFBFF;
    --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(--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)}
.header-inner{max-width:1240px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:22px}
.brand-logo img{width:150px;max-height:54px;object-fit:contain}
.nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;white-space:nowrap}
.nav a{color:#167BB8;font-weight:700;font-size:14px;padding:10px 10px;border-radius:12px;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;min-height:42px;padding:10px 24px;border-radius:999px;background:var(--btn);color:#FFFFFF!important;font-weight:800;box-shadow:0 10px 24px rgba(39,169,232,0.28);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:86px}
.mobile-topbar{display:none;align-items:center;justify-content:space-between;height:66px;padding:0 14px;background:#EAFBFF}
.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 8px;cursor:pointer}
.menu-toggle span{height:3px;border-radius:999px;background:#167BB8;display:block}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:142px;max-height:48px;object-fit:contain}
.mobile-register{padding:8px 16px;min-height:38px;font-size:14px}
.mobile-drawer{position:fixed;z-index:10002;top:0;left:0;width:82vw;max-width:320px;height:100vh;background:#F5FDFF;box-shadow:18px 0 40px rgba(6,59,92,.24);transform:translateX(-105%);transition:transform .28s ease;overflow-y:auto;padding:18px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;z-index:10001;inset:0;background:rgba(0,0,0,.42);opacity:0;pointer-events:none;transition:.25s ease}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid rgba(39,169,232,.18)}
.drawer-head img{width:138px;max-height:50px;object-fit:contain}
.drawer-close{border:0;background:#EAFBFF;color:#167BB8;border-radius:50%;font-size:28px;width:40px;height:40px;line-height:36px;cursor:pointer}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{padding:12px 14px;border-radius:14px;color:#167BB8;font-weight:700;background:#FFFFFF;border:1px solid rgba(39,169,232,.14)}
.drawer-nav a.active{color:#27A9E8;box-shadow:inset 0 -2px 0 #27A9E8,0 10px 22px rgba(39,169,232,.12)}
.drawer-note{margin-top:16px;padding:14px;border-radius:14px;background:#EAFBFF;color:#5D7280;font-size:13px}
.main-content{padding-bottom:0}
.container{max-width:1200px;margin:0 auto;padding:0 18px}
.hero-section{max-width:1200px;margin:28px auto 36px;border-radius:20px;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,.16)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);gap:28px;align-items:center;padding:52px}
.hero-section h1,.page-hero h1{font-size:clamp(32px,5vw,58px);line-height:1.15;margin:0 0 16px;color:#27A9E8;letter-spacing:-.5px}
.hero-kicker,.eyebrow{color:#167BB8;font-weight:800;letter-spacing:.08em;margin-bottom:8px}
.hero-section p,.page-hero p,.lead{color:#5D7280;font-size:17px;margin:0 0 18px}
.hero-tags,.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.hero-tags span,.tag-row span{display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;background:#EAFBFF;color:#27A9E8;font-weight:800;font-size:14px;border:1px solid rgba(39,169,232,.18)}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:22px}
.text-link{color:#27A9E8;font-weight:800;display:inline-flex;align-items:center;gap:6px}
.text-link:after{content:"›";font-size:18px;line-height:1}
.hero-media,.image-panel{background:linear-gradient(180deg,#EAFBFF,#FFFFFF);border-radius:24px;border:1px solid rgba(39,169,232,.18);box-shadow:0 16px 34px rgba(16,126,180,.12);padding:14px;overflow:hidden}
.hero-media img,.image-panel img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;max-height:420px;object-fit:contain;border-radius:18px;background:#F5FDFF}
.section{margin:42px auto}
.section-head{max-width:780px;margin:0 auto 24px;text-align:center}
h2.section-title,.section-title{font-size:clamp(26px,3vw,40px);color:#27A9E8;line-height:1.22;margin:0 0 12px}
.section-head p{color:#5D7280;margin:0;font-size:16px}
.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,.step-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:22px;min-width:0}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3,.step-card h3{margin:0 0 10px;color:#27A9E8;font-size:21px;line-height:1.3}
.card p,.zone-card p,.info-card p,.review-card p,.faq-card p,.step-card p{margin:0 0 14px;color:#5D7280}
.card .number,.step-card .number{width:36px;height:36px;border-radius:12px;background:#EAFBFF;color:#27A9E8;font-weight:900;display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.feature-row{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:24px;align-items:center;background:rgba(255,255,255,.88);border:1px solid rgba(39,169,232,.22);border-radius:24px;padding:28px;box-shadow:0 14px 36px rgba(16,126,180,.12)}
.feature-row.reverse{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}
.feature-copy h2{margin:0 0 14px;color:#27A9E8;font-size:32px;line-height:1.25}
.feature-copy p{color:#5D7280;margin:0 0 14px}
.keyword-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.keyword-list span{background:#EAFBFF;color:#27A9E8;border:1px solid rgba(39,169,232,.18);padding:8px 13px;border-radius:999px;font-weight:800;font-size:14px}
.page-hero{max-width:1200px;margin:28px auto 32px;padding:46px 48px;border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(234,251,255,.95));border:1px solid rgba(39,169,232,.2);box-shadow:0 18px 40px rgba(16,126,180,.14);overflow:hidden}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.78fr);gap:28px;align-items:center}
.page-hero .image-panel{padding:12px}
.breadcrumb{font-size:14px;color:#8194A0;margin-bottom:10px}
.notice{background:#EAFBFF;border:1px solid rgba(39,169,232,.2);border-radius:20px;padding:20px;color:#5D7280}
.notice strong{color:#27A9E8}
.check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding-left:30px;color:#5D7280}
.check-list li:before{content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:50%;background:#27A9E8;box-shadow:0 0 0 5px rgba(39,169,232,.12)}
.review-meta{font-weight:800;color:#167BB8;margin-bottom:8px}
.faq-list{display:grid;gap:16px}
.faq-card h3{font-size:19px}
.compliance-bar{max-width:1200px;margin:44px auto;padding:22px 24px;border-radius:22px;background:#FFFFFF;border:1px solid rgba(39,169,232,.22);box-shadow:0 14px 36px rgba(16,126,180,.12);color:#5D7280}
.compliance-bar h2{margin:0 0 10px;color:#27A9E8;font-size:24px}
.site-footer{background:#063B5C;color:#EAFBFF;margin-top:54px}
.footer-inner{max-width:1200px;margin:0 auto;padding:42px 18px;display:grid;grid-template-columns:1.3fr .75fr .75fr 1fr;gap:26px}
.footer-brand img{width:160px;max-height:58px;object-fit:contain;margin-bottom:14px;background:#EAFBFF;border-radius:14px;padding:6px}
.footer-brand p,.footer-reminder p{color:#EAFBFF;margin:0;opacity:.9}
.footer-links h3,.footer-reminder h3{color:#FFFFFF;margin:0 0 12px;font-size:18px}
.footer-links{display:grid;align-content:start;gap:8px}
.footer-links a{color:#EAFBFF;opacity:.9}
.footer-links a:hover{opacity:1;color:#C8F0FF}
.footer-bottom{text-align:center;border-top:1px solid rgba(234,251,255,.18);padding:18px;color:#EAFBFF;opacity:.86;font-size:14px}
@media (max-width:1080px){
    .desktop-header{display:none}.mobile-topbar{display:flex}.hero-grid,.page-hero-grid,.feature-row,.feature-row.reverse{grid-template-columns:1fr}.hero-grid{padding:34px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}.page-hero{padding:34px 26px}
}
@media (max-width:720px){
    .hero-section{margin:18px 14px 28px}.hero-grid{padding:24px 18px}.container{padding:0 14px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.feature-row{padding:20px}.page-hero{margin:18px 14px 26px;padding:26px 18px}.section{margin:34px auto}.card,.zone-card,.info-card,.review-card,.faq-card,.step-card{padding:18px;border-radius:18px}.footer-inner{grid-template-columns:1fr;padding:34px 18px}.hero-section p,.page-hero p,.lead{font-size:16px}.main-btn{padding:9px 18px}.hero-media img,.image-panel img,.content-img,.zone-card img,.app-section img{max-height:340px}
}