:root{
    --page:#F0F3FA;
    --nav:#EAFBFF;
    --soft:#F5FDFF;
    --white:#FFFFFF;
    --aqua:#C8F0FF;
    --primary:#27A9E8;
    --navtext:#167BB8;
    --text:#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(--page);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-header{max-width:1220px;margin:0 auto;min-height:78px;padding:0 22px;display:flex;align-items:center;gap:22px}
.brand-logo img{width:154px;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:12px 10px;border-radius:12px;transition:.25s 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:0 22px;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:.25s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px)}
.header-btn{min-width:86px}
.mobile-header{display:none;min-height:68px;padding:0 14px;align-items:center;justify-content:space-between;background:#EAFBFF}
.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.menu-toggle span{width:24px;height:2px;background:#167BB8;border-radius:20px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:128px;max-height:48px;object-fit:contain}
.mobile-reg{min-height:38px;padding:0 16px;font-size:14px}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.42);opacity:0;visibility:hidden;transition:.25s ease;z-index:9998}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#F5FDFF;transform:translateX(-105%);transition:.3s ease;z-index:9999;box-shadow:18px 0 34px rgba(6,59,92,.22);overflow-y:auto;padding:18px}
.drawer-open .drawer-overlay{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-logo img{width:142px;max-height:52px;object-fit:contain}
.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#EAFBFF;color:#167BB8;font-size:28px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{padding:13px 14px;border-radius:12px;color:#167BB8;font-weight:800;background:#FFFFFF;border:1px solid rgba(39,169,232,.14)}
.drawer-nav a.active{color:#27A9E8;box-shadow:inset 3px 0 0 #27A9E8;background:#EAFBFF}
.drawer-note{margin-top:18px;padding:14px;border-radius:14px;background:#FFFFFF;color:#5D7280;font-size:13px;border:1px solid rgba(39,169,232,.18)}
.site-main{padding:28px 18px 52px}
.container{max-width:1200px;margin:0 auto}
.hero-section{max-width:1200px;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,.16)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:28px;align-items:center;padding:42px}
.hero-kicker,.eyebrow{color:#27A9E8;font-weight:900;letter-spacing:.04em;margin-bottom:8px}
h1,h2,h3,.section-title{color:#27A9E8;line-height:1.28;margin:0 0 14px}
h1{font-size:42px;letter-spacing:-.02em}
h2,.section-title{font-size:30px}
h3{font-size:20px}
p{margin:0 0 14px}.lead{font-size:18px;color:#5D7280}.text-muted{color:#5D7280}.hint{color:#8194A0;font-size:14px}
.hero-tags,.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.hero-tags span,.tag-row span,.pill{display:inline-flex;align-items:center;border-radius:999px;padding:8px 13px;background:#EAFBFF;color:#27A9E8;font-weight:800;border:1px solid rgba(39,169,232,.2)}
.hero-visual,.media-box{border-radius:22px;background:linear-gradient(180deg,#F5FDFF,#EAFBFF);border:1px solid rgba(39,169,232,.18);padding:18px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.72)}
.hero-visual img{width:100%;max-height:420px;object-fit:contain;margin:auto}.media-box img{width:100%;max-height:360px;object-fit:contain;margin:auto}
.section{max-width:1200px;margin:0 auto 30px}.section-head{margin-bottom:18px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.section-head p{max-width:760px;color:#5D7280}
.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,.step-item,.notice-box{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:18px;padding:22px}.card p,.zone-card p,.info-card p,.review-card p,.faq-item p,.step-item p{color:#5D7280}
.card .num,.step-item .num{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#EAFBFF;color:#27A9E8;font-weight:900;margin-bottom:12px}
.text-link{color:#27A9E8;font-weight:900;display:inline-flex;margin-top:8px;align-items:center;gap:6px}.text-link:after{content:'›';font-size:20px;line-height:1}.text-link:hover{color:#1597D8}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.86fr);gap:24px;align-items:center;background:rgba(255,255,255,0.88);border:1px solid rgba(39,169,232,.18);border-radius:22px;padding:28px;box-shadow:var(--shadow)}
.split.reverse{grid-template-columns:minmax(300px,.86fr) minmax(0,1fr)}
.check-list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:28px;color:#1D2B36}.check-list li:before{content:'✓';position:absolute;left:0;top:0;color:#27A9E8;font-weight:900}
.page-hero{max-width:1200px;margin:28px auto 32px;border-radius:24px;background:rgba(255,255,255,.88);border:1px solid rgba(39,169,232,.18);box-shadow:var(--shadow);padding:34px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.75fr);gap:28px;align-items:center}.page-hero h1{font-size:38px}.page-hero p{color:#5D7280}
.review-card strong{display:block;color:#1D2B36;margin-bottom:8px}.review-card span{display:inline-flex;margin-top:8px;color:#8194A0;font-size:14px}.faq-item h3{font-size:18px;margin-bottom:8px}.notice-box{background:linear-gradient(180deg,#EAFBFF,#F5FDFF);color:#1D2B36}.notice-box strong{color:#27A9E8}.footer-remind{max-width:1200px;margin:36px auto 0}
.site-footer{background:#063B5C;color:#EAFBFF;padding:42px 18px 18px}.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.35fr .72fr .72fr 1.1fr;gap:28px}.footer-brand img{width:150px;max-height:54px;object-fit:contain;margin-bottom:14px}.footer-brand p,.footer-reminder p{color:#D7F6FF;margin:0}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h3,.footer-reminder h3{color:#EAFBFF;margin-bottom:8px}.footer-links a{color:#EAFBFF;opacity:.92}.footer-links a:hover{color:#C8F0FF}.footer-bottom{max-width:1200px;margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(234,251,255,.18);color:#C8F0FF;font-size:14px;text-align:center}
@media (max-width:1100px){.nav a{font-size:13px;padding:10px 7px}.desktop-header{gap:14px}.brand-logo img{width:140px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}}
@media (max-width:860px){.desktop-header{display:none}.mobile-header{display:flex}.site-main{padding:18px 14px 38px}.hero-grid,.page-hero,.split,.split.reverse{grid-template-columns:1fr;padding:24px}.hero-section,.page-hero{margin-top:18px}h1{font-size:32px}.page-hero h1{font-size:30px}h2,.section-title{font-size:25px}.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}.section-head{display:block}.hero-visual img{max-height:330px}.media-box img{max-height:300px}.footer-inner{grid-template-columns:1fr}}
@media (max-width:520px){.hero-grid,.page-hero,.split,.split.reverse{padding:20px}.card,.zone-card,.info-card,.review-card,.faq-item,.step-item,.notice-box{padding:18px}.mobile-logo img{width:116px}.main-btn{min-height:38px;padding:0 16px}h1{font-size:28px}.lead{font-size:16px}.hero-tags span,.tag-row span,.pill{font-size:13px;padding:7px 10px}}