:root{
  --page-bg:#E6EBF2;
  --nav-bg:#F5F7FB;
  --white:#FFFFFF;
  --soft:#EEF2F7;
  --soft-dark:#DDE4EE;
  --blue:#289CFF;
  --nav-text:#4E5F7A;
  --text:#243447;
  --muted:#66788A;
  --light-text:#8A9AAF;
  --footer:#243447;
  --footer-text:#EAF3FF;
  --card:rgba(255,255,255,0.92);
  --border:rgba(40,156,255,0.16);
  --shadow:0 14px 36px rgba(56,92,138,0.12);
  --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page-bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.78;overflow-x:hidden;padding-top:76px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;background:var(--nav-bg);box-shadow:0 10px 28px rgba(56,92,138,.10);border-bottom:1px solid rgba(40,156,255,.12)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:inline-flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap;font-size:15px;font-weight:600;color:var(--nav-text)}
.nav a{color:var(--nav-text);position:relative;display:inline-flex;align-items:center;gap:4px;padding:24px 0 22px;transition:.22s ease}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav>a.active:after,.drop-link.active:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:99px;background:var(--blue)}
.header-action{flex:0 0 auto;display:flex;align-items:center}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--btn);color:#FFFFFF;border-radius:999px;padding:12px 24px;font-weight:700;box-shadow:0 10px 22px rgba(36,155,255,.26);border:0;transition:.22s ease;white-space:nowrap}
.main-btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(36,155,255,.32)}
.small-btn{padding:10px 22px;min-width:76px}
.dropdown,.more-dropdown{position:relative}
.dropdown-menu,.more-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:180px;background:#FFFFFF;border:1px solid rgba(40,156,255,0.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,0.16);z-index:10000;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease;padding:8px;overflow:hidden}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.dropdown-menu a,.more-menu a{display:block;padding:11px 14px;color:#4E5F7A;white-space:nowrap;border-radius:10px;font-size:14px}
.dropdown-menu a:hover,.more-menu a:hover{color:#289CFF;background:rgba(40,156,255,0.08)}
.menu-toggle,.mobile-logo{display:none}
.drawer-mask,.mobile-drawer{display:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hero-section{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative;border:1px solid rgba(40,156,255,.12)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:32px;align-items:center;padding:56px}
.kicker{display:inline-flex;color:var(--blue);font-weight:700;background:rgba(40,156,255,.09);border:1px solid rgba(40,156,255,.13);border-radius:999px;padding:6px 14px;margin-bottom:14px;font-size:14px}
h1,h2,h3,.section-title{color:#289CFF;margin-top:0;line-height:1.28}
h1{font-size:46px;margin-bottom:16px;letter-spacing:-1px}
h2,.section-title{font-size:30px;margin-bottom:14px}
h3{font-size:20px;margin-bottom:10px}
p{margin:0 0 16px}.lead{font-size:18px;color:var(--muted);max-width:860px}.text-muted{color:var(--muted)}.explain{color:var(--light-text);font-size:14px}
.hero-copy p{font-size:17px;color:var(--text)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}.tag-row span,.tag{color:var(--blue);background:rgba(40,156,255,.09);border:1px solid rgba(40,156,255,.14);padding:7px 12px;border-radius:999px;font-weight:700;font-size:14px}
.hero-media{background:#EEF2F7;border-radius:20px;padding:14px;border:1px solid rgba(40,156,255,.12)}
.hero-media img,.content-img,.zone-card img,.app-section img,.sub-hero img{max-width:100%;height:auto;border-radius:18px;object-fit:contain}
.section{padding:36px 0}.section-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:22px}.section-head p{max-width:760px;color:var(--muted)}
.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))}.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card{background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:20px;padding:24px;position:relative;overflow:hidden}
.card:before,.info-card:before,.zone-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#32D1F6,#249BFF);opacity:.8}
.card p,.info-card p,.zone-card p,.faq-card p,.review-card p,.notice-card p{color:var(--muted)}
.link-more{color:var(--blue);font-weight:700;display:inline-flex;align-items:center;margin-top:8px}.link-more:after{content:"→";margin-left:6px}.num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:rgba(40,156,255,.10);color:var(--blue);font-weight:800;margin-bottom:12px}
.feature-band{background:linear-gradient(180deg,#FFFFFF,#EEF2F7);border:1px solid rgba(40,156,255,.15);box-shadow:var(--shadow);border-radius:24px;padding:34px;display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:center}.feature-band.reverse{grid-template-columns:1.08fr .92fr}
.check-list{display:grid;gap:12px;margin:20px 0 0;padding:0;list-style:none}.check-list li{background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:14px;padding:12px 14px;color:var(--text)}.check-list li strong{color:var(--blue)}
.steps{counter-reset:step;display:grid;gap:14px}.step{background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:18px;padding:20px;position:relative}.step:before{counter-increment:step;content:counter(step);display:inline-flex;width:30px;height:30px;border-radius:50%;align-items:center;justify-content:center;background:rgba(40,156,255,.11);color:var(--blue);font-weight:800;margin-bottom:10px}
.review-card{background:#FFFFFF}.review-card strong{display:block;color:var(--blue);margin-bottom:8px}.review-card p{font-style:normal}.faq-card h3{font-size:18px;color:var(--text)}
.reminder{background:#DDE4EE;border:1px solid rgba(40,156,255,.16);border-radius:20px;padding:22px;color:var(--text)}.reminder strong{color:var(--blue)}
.sub-hero{max-width:1200px;margin:28px auto 24px;padding:44px;border-radius:24px;background:#FFFFFF;border:1px solid rgba(40,156,255,.14);box-shadow:var(--shadow);display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.sub-hero.no-image{grid-template-columns:1fr}.sub-hero h1{font-size:40px}.sub-hero p{color:var(--muted);font-size:17px}.sub-media{background:#EEF2F7;border-radius:20px;padding:14px;border:1px solid rgba(40,156,255,.12)}
.article-block{background:#FFFFFF;border:1px solid rgba(40,156,255,.14);box-shadow:var(--shadow);border-radius:22px;padding:30px}.article-block p{color:var(--muted)}
.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}.service-item{background:#F5F7FB;border:1px solid rgba(40,156,255,.14);border-radius:16px;padding:18px}.service-item h3{font-size:18px}.service-item p{color:var(--muted)}
.contact-panel{background:#FFFFFF;border:1px solid rgba(40,156,255,.16);box-shadow:var(--shadow);border-radius:22px;padding:28px}.contact-line{display:grid;grid-template-columns:150px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid rgba(40,156,255,.12)}.contact-line:last-child{border-bottom:0}.contact-line strong{color:var(--blue)}
.site-footer{background:#243447;color:#EAF3FF;margin-top:56px}.footer-inner{max-width:1200px;margin:0 auto;padding:42px 20px;display:grid;grid-template-columns:1.1fr 1.9fr;gap:40px}.footer-brand p{color:#EAF3FF;opacity:.88;margin-top:16px}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.footer-links h3{color:#EAF3FF;font-size:17px}.footer-links a{display:block;color:#EAF3FF;opacity:.82;margin:8px 0}.footer-links a:hover{opacity:1;color:#FFFFFF}.footer-note{border-top:1px solid rgba(234,243,255,.14);max-width:1200px;margin:0 auto;padding:18px 20px}.footer-note p{margin:0;color:#EAF3FF;opacity:.86;font-size:14px}
@media (max-width:1180px){.nav{gap:12px;font-size:14px}.header-inner{gap:16px}.small-btn{padding:9px 18px}.nav a{padding-top:24px}}
@media (max-width:980px){body{padding-top:68px}.header-inner{min-height:66px;padding:0 14px;display:grid;grid-template-columns:48px 1fr auto;gap:10px}.desktop-logo,.nav-wrap{display:none}.mobile-logo{display:flex;justify-content:center}.mobile-logo img{max-height:46px}.menu-toggle{display:inline-flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;width:44px;height:44px;border:0;background:#FFFFFF;border-radius:12px;box-shadow:0 6px 18px rgba(56,92,138,.12)}.menu-toggle span{width:22px;height:2px;background:#4E5F7A;border-radius:99px}.header-action{justify-content:flex-end}.small-btn{padding:8px 16px;min-width:66px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:10000;opacity:0;visibility:hidden;transition:.22s ease}.mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:10001;transform:translateX(-105%);transition:.28s ease;box-shadow:18px 0 38px rgba(36,52,71,.20);overflow-y:auto}.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12);background:#F5F7FB}.drawer-head .logo img{max-height:48px}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#FFFFFF;color:#4E5F7A;font-size:28px;line-height:1}.drawer-nav{display:grid;padding:14px}.drawer-nav a{padding:13px 12px;border-radius:12px;color:#4E5F7A;font-weight:700;border-bottom:1px solid rgba(40,156,255,.07)}.drawer-nav a:hover{background:rgba(40,156,255,.08);color:#289CFF}.hero-grid,.sub-hero,.feature-band,.feature-band.reverse{grid-template-columns:1fr;padding:28px}.hero-section,.sub-hero{margin:18px 14px 24px}h1{font-size:34px}.sub-hero h1{font-size:32px}.grid-4,.grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{display:block}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.service-list{grid-template-columns:1fr}}
@media (max-width:640px){.container{padding:0 14px}.hero-grid,.sub-hero,.feature-band,.feature-band.reverse{padding:22px;border-radius:18px}.hero-media,.sub-media{padding:10px;border-radius:16px}.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card,.article-block,.contact-panel{padding:20px;border-radius:18px}h1{font-size:30px}h2,.section-title{font-size:25px}.lead{font-size:16px}.footer-links{grid-template-columns:1fr}.contact-line{grid-template-columns:1fr;gap:4px}.tag-row{gap:8px}.tag-row span,.tag{font-size:13px}.logo img{max-height:42px}.small-btn{padding:7px 14px}}