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.crumb a{display:inline-flex;align-items:center;min-height:44px}.crumb{align-items:center}
.case-tools{flex-wrap:wrap}.case-tools label{flex:1;display:grid;grid-template-columns:auto minmax(0,280px);justify-content:flex-end}.case-tools input{min-width:0;width:100%;max-width:100%}
.case-tools .button{padding:10px 18px;font-size:14px}
.reading-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;border-top:1px solid var(--line);padding-top:24px}
.reading-nav a{display:grid;grid-template-columns:minmax(0,1fr) 22px;gap:12px;padding:20px;border:1px solid var(--line);border-radius:var(--radius)}
.reading-nav span{grid-column:1 / -1;color:var(--muted);font-size:14px}
.reading-nav strong{font-size:18px;line-height:1.6;color:var(--navy);overflow-wrap:anywhere}
.reading-nav a:hover{border-color:var(--blue);background:var(--ice)}
.reading-nav svg{align-self:center;color:var(--blue)}
.article-toc{background:var(--ice);border-radius:var(--radius);padding:24px;margin-top:28px}
.reading .article-toc h2{font-size:20px;margin:0 0 12px}
.article-toc a{display:block;padding:10px 0;min-height:44px;color:var(--blue)}
.article-toc a:hover{text-decoration:underline;text-underline-offset:4px}
.article-section{scroll-margin-top:110px}
.button:disabled{cursor:not-allowed;opacity:.6;transform:none}
@media(max-width:1100px){.nav-links{gap:10px}.nav-row{gap:20px}}
@media(max-width:900px){.nav-group{flex-wrap:wrap}.nav-group>a{flex:1}.subnav{flex-basis:100%}.js .nav-links .subnav{margin-bottom:12px}.nav-links .nav-contact{min-height:44px}}
@media(max-width:760px){.reading-nav{grid-template-columns:1fr;gap:16px}.reading-nav a{padding:20px}.case-tools label{grid-template-columns:auto minmax(0,1fr);justify-content:flex-start}.case-tools .button{margin:0 0 10px}.empty-state{padding:32px 20px}.back-top{width:44px;height:44px}.article-toc{padding:20px}}
@media(max-width:380px){.hero-copy h1{font-size:36px}.hero-copy .hero-note{letter-spacing:0;font-size:11px}.metric strong,.metric-region::after{font-size:24px}.industry-grid,.service-mosaic{grid-template-columns:1fr}.service-tile.featured{grid-column:auto}.service-tile:not(.featured){min-height:190px}.industry-card img{height:180px}.case-metrics strong{white-space:normal}}
@media(max-width:900px){html:not(.js) .site-header{height:auto;position:relative}html:not(.js) .nav-row{flex-wrap:wrap;padding-top:18px}html:not(.js) .nav-links{position:static;display:block;max-height:none;width:100%;box-shadow:none;padding:0 0 18px}html:not(.js) .menu-toggle{display:none}}
.service-row .price-label{display:block;margin:20px 0 15px;color:var(--blue)}
@media(max-width:760px){.metric{padding:0 6px}.metric span{display:block;text-wrap:balance;line-height:1.7}.metric strong{white-space:nowrap}.metric-region{font-size:0!important}.metric-region::after{content:'13 市';font-size:27px}.metric-region+span{font-size:0}.metric-region+span::after{content:'江苏服务网络';font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}