:root{
  --bg:#F1F6FE;--header:#FFFFFF;--section:#F5F8FE;--brand:#4A9FF2;--brand2:#3F94EC;
  --text:#66769F;--muted:#8794B5;--soft:#B8C3DC;--border:#E4EAF5;--card:#FFFFFF;
  --shadow:0 10px 28px rgba(65,115,180,.10);--max:1220px
}
*{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","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{width:min(var(--max),calc(100% - 40px));height:72px;margin:auto;display:flex;align-items:center;gap:26px;white-space:nowrap}
.site-logo{width:auto;height:42px;object-fit:contain}
.desktop-brand{display:block}
.mobile-brand,.mobile-menu-btn{display:none}
.desktop-nav{display:flex;align-items:center;gap:24px;flex:1;justify-content:center}
.desktop-nav>a,.more-toggle{position:relative;border:0;background:none;color:var(--text);font-size:15px;padding:24px 0}
.desktop-nav>a:hover,.desktop-nav>a:focus,.more-toggle:hover,.more-toggle:focus,.desktop-nav .active,.more-toggle.active{color:var(--brand2)}
.desktop-nav>a.active:after,.more-toggle.active:after{content:"";position:absolute;left:20%;right:20%;bottom:15px;height:2px;border-radius:2px;background:var(--brand)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#61B0F8,#4A9FF2);color:#fff;border-radius:10px;padding:10px 22px;font-weight:700;box-shadow:0 8px 22px rgba(74,159,242,.20)}
.main-btn:hover,.main-btn:focus{background:linear-gradient(135deg,#55A7F2,#3F94EC)}
.header-cta{flex:none}
.more-menu-wrap{position:relative}
.more-menu{position:absolute;top:62px;left:50%;transform:translateX(-58%);display:grid;grid-template-columns:repeat(3,minmax(100px,1fr));gap:6px;width:390px;padding:14px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s}
.more-menu-wrap:hover .more-menu,.more-menu-wrap.open .more-menu{opacity:1;visibility:visible;pointer-events:auto}
.more-menu a{padding:10px 12px;border-radius:9px;color:var(--text)}
.more-menu a:hover,.more-menu a:focus{color:var(--brand2);background:#F5F9FF}
.drawer-overlay{position:fixed;inset:0;background:rgba(35,57,86,.28);z-index:10000}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:82%;max-width:320px;background:#fff;z-index:10001;transform:translateX(-105%);transition:.22s;box-shadow:var(--shadow);overflow:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--border)}
.drawer-logo{height:38px;width:auto;object-fit:contain}
.drawer-close{border:0;background:#F5F8FE;color:var(--text);width:38px;height:38px;border-radius:9px;font-size:25px}
.drawer-nav{display:flex;flex-direction:column;padding:10px 14px 28px}
.drawer-nav a{padding:13px 10px;border-bottom:1px solid #EEF2F8}
.drawer-nav a:hover{color:var(--brand2)}
.floating-service{position:fixed;right:18px;top:42%;z-index:8000;background:#fff;border:1px solid var(--border);border-radius:13px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.floating-service a,.floating-service button{border:0;background:#fff;color:var(--text);padding:10px 13px;border-bottom:1px solid var(--border);font-size:13px;text-align:center}
.floating-service a:hover,.floating-service button:hover{color:var(--brand2);background:#F6FAFF}
.mobile-bottom-nav{display:none}
.full-carousel{width:100%;background:#EEF5FD;position:relative;overflow:hidden}
.carousel-track{position:relative;width:100%}
.carousel-slide{display:none;width:100%}
.carousel-slide.active{display:block}
.carousel-slide img{width:100%;height:auto;object-fit:contain;object-position:center}
.carousel-control{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.75);background:rgba(255,255,255,.88);color:var(--text);box-shadow:var(--shadow)}
.carousel-control.prev{left:18px}.carousel-control.next{right:18px}
.carousel-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:4}
.carousel-dot{width:9px;height:9px;border:0;border-radius:50%;padding:0;background:rgba(255,255,255,.72);box-shadow:0 0 0 1px rgba(74,159,242,.35)}
.carousel-dot.active{background:var(--brand)}
.section{padding:74px 0}
.section.alt{background:var(--section)}
.section-title{margin:0 0 14px;color:#3C567E;font-size:32px;line-height:1.3}
.section-lead{font-size:17px;max-width:860px;margin:0 0 24px}
.kicker{display:inline-block;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:8px}
.tag-row{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0 26px}
.tag{padding:6px 11px;background:#EAF4FF;border:1px solid #D8EAFD;color:#5583B5;border-radius:999px;font-size:13px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;min-height:128px}
.quick-item h3{margin:0 0 6px;color:#466184;font-size:17px}
.quick-item p{margin:0 0 8px;font-size:14px}
.text-link{color:var(--brand2);font-weight:700}
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.split.reverse{grid-template-columns:.92fr 1.08fr}
.content-image{width:100%;height:auto;max-height:430px;object-fit:contain;border-radius:16px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}
.info-list{display:grid;gap:10px;margin:18px 0}
.info-list div{padding:12px 14px;border-left:3px solid #A8D2FA;background:#fff;border-radius:8px;color:var(--text)}
.editorial-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.editorial-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.editorial-card img{width:100%;height:auto;max-height:300px;object-fit:contain;border-radius:11px;margin-bottom:16px}
.editorial-card h3{color:#466184;margin:0 0 8px}
.dual-stack{display:grid;gap:18px}
.horizontal-card{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:13px;padding:16px}
.horizontal-card img{width:160px;height:120px;object-fit:contain;background:#F8FBFF;border-radius:9px}
.service-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.service-strip div{background:#fff;padding:20px}
.service-strip strong{display:block;color:#466184;margin-bottom:5px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}
.review-card p{margin:0}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:11px;overflow:hidden}
.faq-q{width:100%;border:0;background:#fff;color:#466184;text-align:left;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between}
.faq-a{display:none;padding:0 18px 17px;color:var(--text)}
.faq-item.open .faq-a{display:block}
.page-hero{padding:64px 0 36px;background:linear-gradient(180deg,#F8FBFF 0%,#F1F6FE 100%)}
.page-hero h1{font-size:38px;color:#3C567E;margin:0 0 12px}
.page-hero p{max-width:860px;font-size:17px;margin:0}
.content-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.content-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}
.content-box h3{color:#466184;margin-top:0}
.steps{display:grid;gap:14px;counter-reset:step}
.step{background:#fff;border:1px solid var(--border);border-radius:12px;padding:17px 18px 17px 56px;position:relative}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:17px;top:16px;width:26px;height:26px;display:grid;place-items:center;background:#EAF4FF;color:var(--brand2);border-radius:50%;font-weight:700}
.notice{background:#EEF7FF;border:1px solid #D7EAFD;border-radius:12px;padding:18px;color:#5F7397}
.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.contact-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}
.site-footer{background:#EAF3FD;border-top:1px solid var(--border);padding:44px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1.1fr;gap:30px}
.footer-grid h3{color:#466184;margin-top:0;font-size:16px}
.footer-grid a{display:block;margin:7px 0}
.footer-logo{height:40px;width:auto;object-fit:contain;margin-bottom:14px}
.footer-bottom{text-align:center;border-top:1px solid #D9E7F5;margin-top:24px;padding-top:16px;color:var(--muted);font-size:13px}
@media(max-width:1023px){
  .header-inner{gap:16px;width:min(100% - 24px,var(--max))}
  .desktop-nav{gap:16px}
  .more-menu{width:330px;grid-template-columns:repeat(3,1fr)}
  .floating-service{display:none}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  body{padding-bottom:64px}
  .site-header{height:64px}
  .header-inner{height:64px;width:100%;padding:0 12px;display:grid;grid-template-columns:1fr auto 1fr;gap:8px}
  .desktop-brand,.desktop-nav{display:none}
  .mobile-menu-btn{display:inline-grid;place-items:center;justify-self:start;border:1px solid var(--border);background:#fff;color:var(--text);width:40px;height:40px;border-radius:9px;font-size:20px}
  .mobile-brand{display:block;justify-self:center}
  .site-logo{height:36px}
  .header-cta{justify-self:end;padding:8px 15px}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9000;height:58px;background:#fff;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr)}
  .mobile-bottom-nav a{display:grid;place-items:center;color:var(--muted);font-size:13px}
  .mobile-bottom-nav a.active{color:var(--brand)}
  .container{width:min(100% - 28px,var(--max))}
  .section{padding:52px 0}
  .section-title{font-size:26px}
  .page-hero{padding:46px 0 28px}
  .page-hero h1{font-size:30px}
  .split,.split.reverse,.editorial-grid,.content-grid-3,.contact-list{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .horizontal-card{grid-template-columns:110px 1fr}
  .horizontal-card img{width:110px;height:90px}
  .service-strip{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .carousel-control{width:36px;height:36px}
  .carousel-control.prev{left:8px}.carousel-control.next{right:8px}
}
@media(max-width:420px){
  .quick-grid{grid-template-columns:1fr 1fr;gap:10px}
  .quick-item{padding:14px;min-height:120px}
  .service-strip{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}