:root{--brand:#1a6bb5;--brand-dark:#14508a;--brand-light:#e8f2fb;--text:#222;--text-muted:#666;--border:#e3e8ee;--bg:#fff;--bg-alt:#f7f9fb;--radius:4px;--maxw:1400px;--header-h:86px}*{box-sizing:border-box}#__nuxt,body,html{margin:0;padding:0}body{color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.7}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-dark)}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{z-index:100;-webkit-backdrop-filter:blur(14px)saturate(140%);backdrop-filter:blur(14px)saturate(140%);background:#00000080;border-bottom:1px solid #ffffff1a;position:sticky;top:0;box-shadow:0 2px 14px #0000004d}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.site-header{background:#000000e0}}.site-header .inner{max-width:var(--maxw);height:var(--header-h);justify-content:space-between;gap:24px;margin:0 auto;padding:0 20px}.logo,.site-header .inner{align-items:center;display:flex}.logo{gap:10px;font-size:20px;font-weight:700}.logo,.logo:hover{color:#fff}.logo img{height:56px;display:block}.nav{align-items:center;gap:2px;display:flex}.nav a{border-radius:var(--radius);color:#ffffffe0;padding:10px 18px;font-size:16px;transition:color .15s,background .15s}.nav a:hover{color:#fff;background:#ffffff1f}.nav a.router-link-active{color:#fff;background:#ffffff1a;font-weight:600}.header-tel{background:var(--brand);border-radius:var(--radius);white-space:nowrap;align-items:center;gap:8px;padding:9px 20px;font-size:17px;font-weight:700;display:flex;color:#fff!important}.header-tel:hover{background:var(--brand-dark);color:#fff!important}.header-tel img{filter:brightness(0)invert();width:18px;height:18px}.nav-toggle{cursor:pointer;color:#fff;background:0 0;border:0;padding:6px 10px;font-size:24px;display:none}.site-footer{color:#a8b3c1;background:#14202e;margin-top:60px;padding:36px 0 24px;font-size:14px}.site-footer a{color:#cfd8e3}.site-footer a:hover{color:#fff}.footer-cols{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;display:grid}.footer-brand{color:#fff;margin-bottom:10px;font-size:18px;font-weight:700}.footer-bottom{text-align:center;color:#7d8899;border-top:1px solid #ffffff1a;margin-top:28px;padding-top:18px;font-size:13px}.section{padding:84px 0}.section-alt{background:var(--bg-alt)}.section-head{text-align:center;margin-bottom:52px}.section-head h2{letter-spacing:1px;color:#1a1a1a;margin:0 0 14px;font-size:40px;font-weight:700}.section-head p{color:var(--text-muted);margin:0;font-size:17px}.section-head .bar{background:var(--brand);border-radius:2px;width:60px;height:4px;margin:0 auto 20px}.title-bar{border-left:5px solid var(--brand);color:#1a1a1a;margin:0 0 24px;padding-left:22px;font-size:32px;font-weight:700}.page-banner{background:#0e2a47 50%/cover no-repeat;margin-bottom:56px;padding:72px 0}.page-banner,.page-banner .inner{position:relative}.page-banner h1{color:#fff;text-shadow:0 2px 8px #0006;margin:0 0 8px;font-size:42px;font-weight:700}.page-banner .crumb{font-size:15px}.page-banner .crumb,.page-banner .crumb a{color:#ffffffd1}.page-banner .crumb a:hover{color:#fff}.page-head{background:var(--brand-light);margin-bottom:36px;padding:36px 0}.page-head h1{margin:0 0 6px;font-size:26px}.page-head .crumb{color:var(--text-muted);font-size:14px}.card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;transition:box-shadow .2s,transform .2s;overflow:hidden}.card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00000014}.grid{gap:26px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-5{grid-template-columns:repeat(5,1fr)}.gap-lg{gap:36px}.btn-lg{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:14px 40px;font-size:17px;font-weight:600;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.btn-outline-light{color:#fff;background:#ffffff1a;border-color:#ffffffb3}.btn-outline-light:hover{color:#fff;background:#ffffff3d;border-color:#fff}.sub-banner{border-radius:0;width:100%;display:block}@media (width<=1100px){.grid-5{grid-template-columns:repeat(3,1fr)}}@media (width<=900px){.footer-cols,.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}.section{padding:52px 0}.section-head h2{font-size:28px}.title-bar{font-size:24px}.page-banner{padding:46px 0}.page-banner h1{font-size:28px}}.article-list{flex-direction:column;gap:12px;display:flex}.article-item{border:1px solid var(--border);border-radius:var(--radius);background:#fff;align-items:flex-start;gap:16px;padding:18px;display:flex}.article-item:hover{border-color:var(--brand);background:#fcfdff}.article-item h3{margin:0 0 6px;font-size:17px}.article-item h3 a{color:var(--text)}.article-item h3 a:hover{color:var(--brand)}.article-item .meta{color:var(--text-muted);font-size:13px}.article-item .summary{color:var(--text-muted);margin:6px 0 0;font-size:14px}.tag{background:var(--brand-light);color:var(--brand);border-radius:10px;margin-right:8px;padding:1px 8px;font-size:12px;display:inline-block}.article-body{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:32px;font-size:16px;line-height:1.9}.article-body h1{margin:0 0 12px;font-size:28px}.article-body h2{border-left:3px solid var(--brand);margin:28px 0 12px;padding-left:10px;font-size:21px}.article-body h3{margin:22px 0 10px;font-size:17px}.article-body img{max-width:100%;height:auto}.article-body table{border-collapse:collapse;width:100%;margin:16px 0}.article-body table td,.article-body table th{border:1px solid var(--border);padding:8px 10px}.article-body pre{border-radius:var(--radius);background:#f6f8fa;padding:14px;font-size:13px;overflow-x:auto}.article-body ol,.article-body ul{padding-left:22px}.article-nav{border-top:1px solid var(--border);justify-content:space-between;gap:16px;margin-top:24px;padding-top:20px;font-size:14px;display:flex}.form-group{margin-bottom:16px}.form-group label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.form-control{border:1px solid var(--border);border-radius:var(--radius);background:#fff;width:100%;padding:9px 12px;font-family:inherit;font-size:14px}.form-control:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px 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