*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{color:#289CFF;text-decoration:none}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.10)}
.desktop-header{max-width:1280px;margin:0 auto;min-height:76px;display:flex;align-items:center;gap:24px;padding:0 24px}
.brand-logo img{width:142px;height:auto}
.nav{flex:1;display:flex;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{position:relative;padding:8px 9px;color:#4E5F7A;font-size:14px;font-weight:700;border-radius:10px;white-space:nowrap}
.nav a:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;background:#289CFF;border-radius:999px;opacity:0;transform:scaleX(.4);transition:.2s}
.nav a.active,.nav a:hover{color:#289CFF;background:rgba(40,156,255,.08)}
.nav a.active:after{opacity:1;transform:scaleX(1)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 24px;border:none;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF!important;box-shadow:0 10px 24px rgba(36,155,255,.25);font-weight:800;letter-spacing:.04em;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);box-shadow:0 14px 28px rgba(36,155,255,.32)}
.header-btn{flex:0 0 auto}
.mobile-header{display:none;min-height:64px;align-items:center;justify-content:space-between;padding:0 14px}
.menu-toggle{width:42px;height:42px;border:0;border-radius:12px;background:#FFFFFF;box-shadow:0 8px 18px rgba(56,92,138,.12);display:inline-flex;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.menu-toggle span{width:20px;height:2px;border-radius:99px;background:#4E5F7A}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%);display:block}
.mobile-logo img{width:118px}
.mobile-reg{min-height:38px;padding:0 17px;font-size:14px}
.drawer-mask{position:fixed;inset:0;background:rgba(13,27,42,.42);opacity:0;visibility:hidden;transition:.25s;z-index:10000}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;box-shadow:16px 0 40px rgba(25,48,78,.18);transform:translateX(-105%);transition:transform .28s ease;z-index:10001;overflow-y:auto}
.drawer-open{overflow:hidden}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(40,156,255,.14);background:#F5F7FB}
.drawer-logo img{width:126px}
.drawer-close{width:38px;height:38px;border:0;border-radius:999px;background:#FFFFFF;color:#289CFF;font-size:28px;line-height:1;box-shadow:0 8px 18px rgba(56,92,138,.12)}
.drawer-nav{padding:14px}
.drawer-nav a{display:block;padding:13px 14px;margin:4px 0;border-radius:14px;color:#4E5F7A;font-weight:800;background:#F5F7FB}
.drawer-nav a.active,.drawer-nav a:hover{color:#289CFF;background:#EEF2F7}
.site-main{min-height:60vh}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}
.slider-track{position:relative;aspect-ratio:16/6;background:#FFFFFF}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .42s ease,visibility .42s ease;background:#FFFFFF}
.slide.active{opacity:1;visibility:visible}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#289CFF;font-size:30px;line-height:1;box-shadow:0 10px 22px rgba(56,92,138,.16);cursor:pointer}
.slider-arrow.prev{left:16px}
.slider-arrow.next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}
.slider-dots button{width:10px;height:10px;border:0;border-radius:999px;background:rgba(78,95,122,.35);cursor:pointer;padding:0}
.slider-dots button.active{width:26px;background:#289CFF}
.hero{padding:48px 0 20px}
.hero-card{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:28px;padding:38px}
.eyebrow{display:inline-flex;color:#289CFF;font-weight:900;background:rgba(40,156,255,.10);padding:6px 12px;border-radius:999px;margin-bottom:14px}
h1,h2,h3,.section-title{color:#289CFF;margin:0 0 14px;line-height:1.25}
h1{font-size:42px}
h2,.section-title{font-size:30px}
h3{font-size:21px}
p{margin:0 0 12px}
.lead{font-size:18px;color:#243447}
.muted{color:#66788A}
.note{color:#8A9AAF;font-size:14px}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:22px}
.text-link{font-weight:900;color:#289CFF}
.hero-media,.media-box{background:#FFFFFF;border-radius:22px;border:1px solid rgba(40,156,255,.14);box-shadow:0 14px 36px rgba(56,92,138,.10);overflow:hidden}
.hero-media img,.media-box img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;background:#FFFFFF}
.section{padding:44px 0}
.section-head{max-width:820px;margin-bottom:24px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (min-width:1081px){.five-grid{grid-template-columns:repeat(5,minmax(0,1fr));}}
.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:22px;padding:24px}
.card .num,.tag,.step-num{display:inline-flex;align-items:center;justify-content:center;color:#289CFF;background:rgba(40,156,255,.10);border-radius:999px;font-weight:900}
.card .num{width:36px;height:36px;margin-bottom:14px}
.tag{padding:5px 12px;margin-bottom:12px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p,.step-card p{color:#66788A}
.zone-card{overflow:hidden;padding:0}
.zone-card .zone-body{padding:22px}
.zone-card img{border-bottom:1px solid rgba(40,156,255,.12)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.feature-list{display:grid;gap:12px;margin-top:18px;padding:0}
.feature-list li{list-style:none;position:relative;background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:16px;padding:14px 14px 14px 42px;color:#66788A}
.feature-list li:before{content:"";position:absolute;left:16px;top:22px;width:10px;height:10px;border-radius:50%;background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.10)}
.check-list{padding:0;margin:14px 0 0;display:grid;gap:10px}
.check-list li{list-style:none;color:#66788A;padding-left:28px;position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:#289CFF;font-weight:900}
.notice-panel{background:#DDE4EE;border:1px solid rgba(40,156,255,.18);border-radius:22px;padding:24px;color:#243447}
.review-card strong{display:block;color:#243447;margin-bottom:8px}
.faq-list{display:grid;gap:14px}
.faq-item h3{font-size:18px;margin-bottom:8px}
.page-hero{padding:52px 0 20px}
.page-hero .hero-card{grid-template-columns:1fr .78fr}
.breadcrumb{font-size:14px;color:#8A9AAF;margin-bottom:8px}
.service-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px}
.service-bar .info-card{padding:20px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step-num{width:34px;height:34px;margin-bottom:12px}
.highlight-strip{background:#EEF2F7;border-radius:26px;padding:28px;border:1px solid rgba(40,156,255,.16)}
.site-footer{margin-top:54px;background:#243447;color:#EAF3FF}
.footer-wrap{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:46px 0 28px;display:grid;grid-template-columns:1fr 1.35fr;gap:40px}
.footer-brand img{width:148px;margin-bottom:16px}
.footer-brand p,.footer-notice p,.copyright{color:#EAF3FF;opacity:.9}
.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.footer-links h3{font-size:17px;color:#EAF3FF;margin-bottom:12px}
.footer-links a{display:block;color:#EAF3FF;opacity:.88;margin:7px 0}
.footer-links a:hover{opacity:1;color:#FFFFFF}
.footer-notice{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:22px 0;border-top:1px solid rgba(234,243,255,.16);border-bottom:1px solid rgba(234,243,255,.16)}
.copyright{text-align:center;padding:18px 16px;font-size:14px}
@media (max-width:1080px){
  .desktop-header{display:none}
  .mobile-header{display:flex}
  .slider-track{aspect-ratio:16/8}
  .hero-card,.page-hero .hero-card,.two-col{grid-template-columns:1fr}
  h1{font-size:34px}
  h2,.section-title{font-size:26px}
  .grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .container{width:min(100% - 24px,1200px)}
  .banner-slider{margin:16px 12px 28px;border-radius:16px}
  .slider-track{aspect-ratio:16/9}
  .slider-arrow{width:36px;height:36px;font-size:24px}
  .slider-arrow.prev{left:10px}
  .slider-arrow.next{right:10px}
  .hero{padding:28px 0 10px}
  .hero-card{padding:24px;border-radius:22px}
  .section{padding:30px 0}
  h1{font-size:29px}
  .lead{font-size:16px}
  .grid.two,.grid.three,.grid.four,.steps,.footer-wrap,.footer-links,.service-bar{grid-template-columns:1fr}
  .card,.zone-card .zone-body,.info-card,.review-card,.faq-item,.step-card{padding:20px}
  .footer-wrap{gap:20px}
}