:root{
  --primary:#2e59ad;--primary-2:#173b79;--ink:#1f2937;--muted:#667085;
  --bg:#f6f8fb;--surface:#fff;--line:#e6eaf0;--soft:#eef3fb;
  --radius:14px;--shadow:0 12px 34px rgba(26,50,90,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{display:block;width:54px;height:auto;aspect-ratio:630/508;object-fit:contain;flex:0 0 auto}
.brand strong{font-size:18px;color:var(--primary-2)}
.brand small{display:block;color:#7b8794;font-size:11px;letter-spacing:.3px}
.menu{display:flex;align-items:center;gap:26px;font-size:15px}
.menu a{position:relative;padding:25px 0}
.menu a:hover,.menu a.active{color:var(--primary)}
.menu a:hover:after,.menu a.active:after{content:"";position:absolute;height:2px;left:0;right:0;bottom:16px;background:var(--primary)}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--primary-2)}
.hero{padding:84px 0 72px;background:
radial-gradient(circle at 84% 22%,rgba(46,89,173,.14),transparent 24%),
linear-gradient(120deg,#f9fbff,#edf3ff 58%,#fff)}
.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:56px}
.eyebrow{font-weight:700;color:var(--primary);letter-spacing:2px;font-size:14px}
h1{margin:14px 0 18px;font-size:46px;line-height:1.22;color:var(--primary-2)}
.hero p{font-size:18px;color:var(--muted);max-width:780px}
.hero-logo{background:#fff;border-radius:50%;padding:30px;box-shadow:var(--shadow)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 22px;border-radius:8px;border:1px solid var(--primary);font-weight:700;cursor:pointer}
.btn.primary{background:var(--primary);color:#fff}
.btn.secondary{background:#fff;color:var(--primary)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.stat strong{display:block;color:var(--primary-2);font-size:25px}
.stat span{font-size:13px;color:var(--muted)}
.section{padding:70px 0}
.section.alt{background:var(--bg)}
.section-head{margin-bottom:32px}
.section-head.center{text-align:center}
.section-head h2{margin:0 0 8px;color:var(--primary-2);font-size:31px}
.section-head p{margin:0;color:var(--muted)}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 5px 20px rgba(26,50,90,.04)}
.card h3{margin:0 0 10px;color:var(--primary-2);font-size:19px}
.card p{margin:0;color:var(--muted)}
.card ul{margin:12px 0 0;padding-left:20px;color:var(--muted)}
.icon{width:46px;height:46px;border-radius:12px;background:var(--soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:16px}
.page-hero{padding:52px 0;background:linear-gradient(120deg,var(--primary-2),var(--primary));color:#fff}
.page-hero h1{font-size:37px;color:#fff;margin:0 0 6px}
.page-hero p{margin:0;color:#dbe6ff}
.filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.filter button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:8px 15px;cursor:pointer}
.filter button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:0 4px 18px rgba(26,50,90,.04);transition:.2s ease}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.product-card .category{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:8px}
.product-card h3{font-size:18px;line-height:1.55;margin:0 0 12px;color:var(--primary-2)}
.meta{font-size:13px;color:#8792a2;border-top:1px solid var(--line);padding-top:12px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.info-table{width:100%;border-collapse:collapse}
.info-table td{padding:13px;border-bottom:1px solid var(--line)}
.info-table td:first-child{width:150px;color:var(--muted)}
.contact-list{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.contact-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;text-align:center}
.contact-item strong{display:block;color:var(--primary-2)}
.contact-item a{color:var(--primary);font-size:13px;word-break:break-all}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field label{display:block;font-weight:700;margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;border:1px solid #d9dee7;border-radius:8px;padding:10px 12px;background:#fff}
.field textarea{min-height:130px;resize:vertical}
.form-trap{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}.form-message{margin:0 0 18px;padding:13px 16px;border:1px solid;border-radius:9px}.form-message.success{color:#11643f;background:#eaf8f1;border-color:#9dd8bc}.form-message.error{color:#8f2219;background:#fff0ef;border-color:#efb5b0}
.contact-message-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:38px;align-items:stretch}.contact-message-visual{min-height:100%;margin:0;border-radius:16px;overflow:hidden;background:var(--soft);box-shadow:var(--shadow)}.contact-message-visual img{width:100%;height:100%;min-height:440px;object-fit:cover;object-position:center;display:block}.contact-form-panel{width:100%;max-width:650px;justify-self:end}.compact-contact-form{height:100%;padding:22px}.compact-contact-form .field textarea{min-height:105px}.compact-contact-form .actions{margin-top:18px}.department-email{display:grid;grid-template-columns:auto 1fr;gap:5px 14px;align-items:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}.department-email span{font-size:12px;color:var(--muted)}.department-email a{color:var(--primary);font-weight:700}
.notice{background:#fff8e8;border:1px solid #eedb9d;border-radius:10px;padding:14px 16px;color:#6b5b2c}
.footer{background:#14233d;color:#d9e1ef;padding:46px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr;gap:38px}
.footer h3{color:#fff;margin-top:0}
.footer a{display:block;color:#bdc8d9;margin:5px 0}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:16px;font-size:13px;color:#9cabc0}
.copyright a{display:inline;color:#b9c5d6}
.prose h2{color:var(--primary-2);margin-top:30px}
.prose p,.prose li{color:#4f5b67}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-block;background:var(--soft);color:var(--primary);padding:5px 10px;border-radius:18px;font-size:13px}
.platform-link{background:var(--primary);color:#fff!important;padding:8px 13px!important;border-radius:7px}.platform-link:after{display:none!important}
.platform-promo{padding:68px 0;background:#102b5b;color:#fff}.promo-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}.platform-promo h2{font-size:34px;margin:8px 0 12px}.platform-promo p{color:#d4e0f5}.platform-promo .eyebrow{color:#75e1da}.promo-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.promo-flow div{padding:22px;border:1px solid rgba(255,255,255,.15);border-radius:12px;background:rgba(255,255,255,.08)}.promo-flow strong,.promo-flow span{display:block}.promo-flow strong{color:#75e1da;font-size:24px}.promo-flow span{color:#e5edfa}
.service-center-lead{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}.service-center-lead h2{font-size:34px;color:var(--primary-2);margin:8px 0}.service-console{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow)}.service-console ol{margin:14px 0 0;padding-left:22px}.service-console li{padding:6px}.service-price{font-size:26px;font-weight:800;color:var(--primary);margin:10px 0}
.service-switch{position:relative;z-index:2;background:#fff;border-bottom:1px solid var(--line)}.service-switch .container{display:flex;justify-content:center;padding:14px 0}.service-switch-control{display:inline-flex;gap:5px;padding:5px;border:1px solid #dce3ef;border-radius:999px;background:#f1f4f9;box-shadow:0 6px 18px rgba(26,50,90,.08)}.service-switch a{display:flex;align-items:center;justify-content:center;gap:9px;min-width:210px;padding:10px 20px;border-radius:999px;color:#526078;transition:.2s ease}.service-switch a:hover{color:var(--primary);background:#fff}.service-switch a.active{color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--primary));box-shadow:0 4px 12px rgba(46,89,173,.24)}.service-switch svg{display:block;width:23px;height:23px;min-width:23px;max-width:23px;flex:0 0 23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.service-switch strong{font-size:15px}
@media(max-width:900px){
 .menu{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 22px;flex-direction:column;align-items:flex-start;gap:0}
 .menu.open{display:flex}.menu a{padding:10px 0}.menu a:after{display:none}.menu-toggle{display:block}
 .hero-grid,.two-col,.promo-grid,.service-center-lead,.contact-message-layout{grid-template-columns:1fr}.hero-logo{display:none}.contact-message-visual img{min-height:300px;max-height:400px}.contact-form-panel{max-width:none;justify-self:stretch}
 .stats,.grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3,.product-grid{grid-template-columns:repeat(2,1fr)}
 .contact-list{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr}
}
@media(max-width:580px){
 .container{width:min(100% - 26px,1180px)}
 h1{font-size:32px}.hero{padding:55px 0}
 .stats,.grid-4,.grid-3,.grid-2,.product-grid,.contact-list,.form-grid{grid-template-columns:1fr}
 .section{padding:50px 0}.page-hero h1{font-size:29px}
 .brand strong{font-size:16px}.brand small{display:none}.brand img{width:48px}.service-switch .container{width:min(100% - 20px,1180px)}.service-switch-control{display:grid;width:100%;grid-template-columns:repeat(2,minmax(0,1fr))}.service-switch a{min-width:0;padding:10px 8px;gap:6px}.service-switch strong{font-size:13px}.service-switch svg{width:20px;height:20px;min-width:20px;max-width:20px;flex-basis:20px}
}