:root{
    --bg:#F3FBFF;
    --card:#FFFFFF;
    --soft:#EAF8FF;
    --soft2:#F7FCFF;
    --soft3:#E2F5FF;
    --blue:#22AEEA;
    --deep:#147FB8;
    --text:#1F2D3A;
    --muted:#5C6F82;
    --light:#8BA1B5;
    --line:rgba(34,174,234,0.16);
    --shadow:0 14px 36px rgba(34,174,234,0.12);
    --grad:linear-gradient(135deg,#6DE6FF 0%,#22AEEA 48%,#168DCC 100%);
    --footer:#0B3D5C;
}
*{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:var(--blue);text-decoration:none;transition:.22s ease}
a:hover{color:var(--deep)}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(34,174,234,.10)}
.header-inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand-logo,.mobile-logo{display:flex;align-items:center;flex:0 0 auto}.brand-logo img{height:46px;width:auto}.mobile-logo img{height:42px;width:auto}
.nav-core{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap}.nav-core a{color:var(--deep);background:rgba(34,174,234,.08);border:1px solid rgba(34,174,234,.10);border-radius:999px;padding:9px 18px;font-weight:700;font-size:15px}.nav-core a:hover,.nav-core a.active{color:var(--blue);background:linear-gradient(135deg,rgba(109,230,255,.24),rgba(34,174,234,.12));box-shadow:0 8px 20px rgba(34,174,234,.12)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.panel-toggle{border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:999px;padding:10px 16px;font-weight:700;cursor:pointer}.panel-toggle:hover{color:var(--blue);box-shadow:var(--shadow)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:10px 23px;background:var(--grad);color:#fff!important;font-weight:800;box-shadow:0 12px 28px rgba(34,174,234,.26);cursor:pointer;white-space:nowrap}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(34,174,234,.32)}
.mobile-header{display:none}.menu-toggle{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:19px;height:2px;background:var(--deep);border-radius:9px}.mobile-register{padding:8px 16px}
.screen-mask{position:fixed;inset:0;background:rgba(11,61,92,.32);opacity:0;pointer-events:none;z-index:9998;transition:.25s ease}.panel-open .screen-mask,.drawer-open .screen-mask{opacity:1;pointer-events:auto}.panel-open,.drawer-open{overflow:hidden}
.category-panel{position:fixed;top:0;right:0;width:min(440px,92vw);height:100vh;background:#fff;box-shadow:0 18px 48px rgba(34,174,234,.16);z-index:10000;transform:translateX(105%);transition:.28s ease;overflow:auto;padding:24px}.panel-open .category-panel{transform:translateX(0)}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:20px}.panel-head strong{display:block;color:var(--blue);font-size:24px}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:14px}.close-btn{border:0;background:var(--soft);color:var(--deep);font-size:28px;width:42px;height:42px;border-radius:14px;line-height:1;cursor:pointer}.close-btn:hover{background:var(--soft3);color:var(--blue)}.panel-groups{display:grid;gap:18px}.panel-group{background:var(--soft2);border:1px solid var(--line);border-radius:22px;padding:16px}.panel-group h3{margin:0 0 10px;color:var(--blue);font-size:16px}.panel-link{display:block;padding:10px 12px;border-radius:16px;color:var(--text)}.panel-link span{display:block;font-weight:800;color:var(--text)}.panel-link small{display:block;color:var(--muted);font-size:13px}.panel-link:hover,.panel-link.active{background:#fff;box-shadow:0 10px 24px rgba(34,174,234,.10)}.panel-link:hover span,.panel-link.active span{color:var(--blue)}
.mobile-drawer{position:fixed;left:0;top:0;width:min(84vw,320px);height:100vh;background:linear-gradient(180deg,#fff 0%,#F3FBFF 100%);z-index:10000;transform:translateX(-105%);transition:.28s ease;overflow:auto;box-shadow:0 18px 48px rgba(34,174,234,.16);padding:18px}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.drawer-head img{height:42px}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer-nav a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:11px 12px;text-align:center;color:var(--deep);font-weight:700}.drawer-nav a.active,.drawer-nav a:hover{color:var(--blue);background:var(--soft)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}.section{padding:54px 0}.hero-section{margin-top:0;padding:58px 0 26px;background:radial-gradient(circle at 12% 20%,rgba(109,230,255,.24) 0%,rgba(109,230,255,0) 30%),radial-gradient(circle at 86% 18%,rgba(34,174,234,.18) 0%,rgba(34,174,234,0) 30%),linear-gradient(135deg,#FFFFFF 0%,#F3FBFF 52%,#EAF8FF 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:36px;align-items:center}.section-kicker,.tag,.label,.num,.badge{color:var(--blue);font-weight:800}.section-kicker{display:inline-flex;padding:7px 13px;border-radius:999px;background:rgba(34,174,234,.10);border:1px solid var(--line);margin-bottom:12px}h1,h2,h3,.section-title{color:var(--blue);line-height:1.24}h1{font-size:46px;margin:0 0 18px;letter-spacing:-1px}h2{font-size:32px;margin:0 0 16px}h3{font-size:20px;margin:0 0 10px}p{margin:0 0 14px}.lead{font-size:17px;color:var(--muted)}.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:22px}.text-link{font-weight:800;color:var(--blue)}.hero-visual{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);padding:18px;position:relative;overflow:hidden}.hero-visual:before{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;background:rgba(109,230,255,.22)}.hero-visual img{width:100%;height:320px;object-fit:contain;position:relative}.summary-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}.summary-card,.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px}.summary-card{padding:18px}.summary-card strong{display:block;color:var(--text);font-size:17px}.summary-card small{color:var(--muted)}
.quick-cats{display:flex;gap:12px;overflow-x:auto;padding:22px 0 8px;scrollbar-width:none}.quick-cats::-webkit-scrollbar{display:none}.quick-cat{min-width:172px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:999px;padding:12px 16px;color:var(--text);display:grid;gap:2px}.quick-cat:hover{border-color:var(--blue);box-shadow:0 10px 24px rgba(34,174,234,.12)}.quick-cat b{color:var(--blue);font-size:13px}.quick-cat span{font-weight:800}.quick-cat small{color:var(--muted)}.service-strip{border-radius:28px;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(226,245,255,.92));border:1px solid var(--line);box-shadow:var(--shadow);padding:24px 28px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card,.info-card{padding:24px}.card ul,.info-card ul,.page-card ul,.feature-list{margin:12px 0 0;padding-left:20px;color:var(--muted)}.feature-list li{margin:6px 0}.split-card{display:grid;grid-template-columns:minmax(200px,.82fr) minmax(0,1fr);gap:22px;align-items:center}.content-img,.zone-card img,.app-section img,.hero-visual img{max-width:100%;object-fit:contain}.content-img{width:100%;height:220px;border-radius:22px;background:var(--soft2);border:1px solid var(--line);padding:8px}.zone-card{overflow:hidden}.zone-card img{width:100%;height:170px;background:var(--soft2);padding:10px}.zone-card .zone-body{padding:20px}.zone-card p{color:var(--muted)}.app-section{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:28px;align-items:center}.app-section img{width:100%;height:280px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:12px}.soft-panel{background:linear-gradient(135deg,#fff 0%,#F7FCFF 100%);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:28px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:20px}.review-card p{color:var(--muted)}.review-card strong{color:var(--deep)}.faq-list{display:grid;gap:14px}.faq-card{padding:20px}.faq-card h3{font-size:18px}.faq-card p{color:var(--muted);margin-bottom:0}.safe-note{background:#0B3D5C;color:#EAF8FF;border-radius:28px;padding:28px;box-shadow:0 16px 34px rgba(11,61,92,.20)}.safe-note h2{color:#EAF8FF}.safe-note p,.safe-note li{color:#EAF8FF}.safe-note ul{margin:0;padding-left:20px}.page-hero{padding:58px 0 26px;background:radial-gradient(circle at 10% 20%,rgba(109,230,255,.22),rgba(109,230,255,0) 30%),linear-gradient(135deg,#fff 0%,#F3FBFF 58%,#EAF8FF 100%)}.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(260px,.85fr);gap:32px;align-items:center}.page-visual{background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);padding:14px}.page-visual img{width:100%;height:280px;object-fit:contain}.page-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:24px}.page-card p{color:var(--muted)}.steps{counter-reset:step;display:grid;gap:14px}.step{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 18px 18px 60px;position:relative;box-shadow:0 10px 24px rgba(34,174,234,.08)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;background:var(--soft);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900}.contact-box{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.site-footer{background:var(--footer);color:#EAF8FF;margin-top:50px}.footer-inner{max-width:1180px;margin:0 auto;padding:44px 20px;display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.4fr);gap:40px}.footer-brand img{height:48px;margin-bottom:16px}.footer-brand p{color:#EAF8FF}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-links h3{color:#EAF8FF;font-size:17px}.footer-links a{display:block;color:#EAF8FF;margin:7px 0;opacity:.86}.footer-links a:hover{opacity:1;color:#6DE6FF}.footer-notice{border-top:1px solid rgba(234,248,255,.18);max-width:1180px;margin:0 auto;padding:18px 20px}.footer-notice p{margin:0;color:#EAF8FF;font-size:14px}.mobile-bottom-nav{display:none}
@media (max-width:980px){.desktop-header{display:none}.mobile-header{display:flex;padding:10px 16px}.container{padding:0 16px}.hero-section,.page-hero{padding-top:34px}.hero-grid,.page-hero-grid,.app-section,.split-card{grid-template-columns:1fr}.hero-visual img{height:250px}.page-visual img{height:240px}h1{font-size:34px}h2{font-size:27px}.summary-cards,.grid-4,.grid-3,.grid-2,.review-grid,.footer-inner,.footer-links,.contact-box{grid-template-columns:1fr}.summary-cards{gap:12px}.section{padding:38px 0}.content-img{height:190px}.zone-card img{height:150px}.app-section img{height:230px}.footer-inner{gap:24px}.footer-links{gap:8px}body{padding-bottom:78px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9997;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(34,174,234,.10);padding:7px 8px calc(7px + env(safe-area-inset-bottom))}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--muted);font-size:12px;font-weight:800}.mobile-bottom-nav span{font-size:16px;line-height:1}.mobile-bottom-nav a.active,.mobile-bottom-nav a:hover{color:var(--blue)}}
@media (max-width:520px){.mobile-logo img{height:36px}.main-btn.mobile-register{padding:7px 14px}.hero-visual img{height:220px}.page-visual img{height:210px}.quick-cat{min-width:158px;border-radius:22px}.soft-panel,.safe-note{padding:22px}.page-card,.card,.info-card{padding:20px}.drawer-nav{grid-template-columns:1fr 1fr}.category-panel{padding:18px}h1{font-size:30px}}