:root{--bg:#F3F6F9;--surface:#fff;--soft:#E8EEF5;--ink:#0B1220;--text:#1E293B;--muted:#475569;--faint:#64748B;--blue:#2563EB;--blue2:#60A5FA;--blue3:#1D4ED8;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:3px}.site-header{position:fixed;inset:0 0 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span{font-size:14px;color:var(--muted)}.badge-row{display:flex;align-items:center;gap:14px;margin-top:18px}.badge-row img{width:58px;height:58px;object-fit:contain}.clause,.faq-item{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.clause h2,.faq-item h2{font-size:20px;margin:0 0 8px}.clause p,.faq-item p{margin:0 0 10px;color:var(--muted)}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{min-height:42px;padding:0 15px;display:inline-flex;align-items:center;border-radius:999px;background:var(--soft);color:var(--blue);font-weight:800}.statement{font-size:20px;line-height:1.7;color:var(--ink);font-weight:700}.site-footer{margin-top:40px;background:#0B1220;color:#D6E4FF;padding:42px 0 calc(28px + env(safe-area-inset-bottom))}.footer-brand-row{display:grid;grid-template-columns:.8fr 1.4fr;gap:30px;align-items:center;padding-bottom:28px;border-bottom:1px solid 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16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--blue);font-weight:800}.mosaic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:24px 0 40px}.mosaic-group{padding:18px;border:1px solid var(--line);background:#fff;border-radius:18px}.mosaic-group h2{font-size:13px;color:var(--blue);margin:0 0 10px}.mosaic-group a{display:block;padding:12px 0;border-top:1px solid var(--line)}.mosaic-group a:first-of-type{border-top:0}.mosaic-group strong{display:block}.mosaic-group span{display:block;color:var(--muted);font-size:13px;line-height:1.55}.search-layer{position:fixed;top:92px;left:0;right:0;z-index:85;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.search-card{width:min(850px,calc(100% - 32px));margin:auto;padding:24px;background:#fff;border:1px solid var(--line);border-radius:0 0 20px 20px;box-shadow:var(--shadow)}.search-top{display:flex;justify-content:space-between;gap:20px}.search-top h2{font-size:22px;margin:4px 0 0}.search-look{display:block;margin-top:18px}.search-look span{display:block;font-size:13px;color:var(--faint);font-weight:800;margin-bottom:6px}.search-look input{width:100%;height:48px;border:1px solid var(--line);border-radius:14px;padding:0 15px;background:#F8FAFC}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-presets a{min-height:40px;padding:0 13px;display:inline-flex;align-items:center;border-radius:999px;background:var(--soft);color:var(--blue);font-weight:800;font-size:14px}.search-note{font-size:13px;color:var(--faint)}.mobile-bottom{display:none}@media(max-width:900px){.theme-strip{grid-template-columns:repeat(2,1fr)}.pulse-layout,.stack-card,.product-grid{grid-template-columns:1fr}.three-cards{grid-template-columns:1fr}.type-index{grid-template-columns:repeat(2,1fr)}.mosaic-grid{grid-template-columns:repeat(2,1fr)}.footer-brand-row{grid-template-columns:1fr}.directory-bar{grid-template-columns:135px 1fr}.directory-bar a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.shell{width:min(100% - 32px,1180px)}.tab-bar{display:none}.command-inner{grid-template-columns:84px 1fr 92px}.app-link{padding:0 12px;font-size:13px}.brand-mark{height:28px;max-width:125px}.site-main{padding-top:116px;padding-bottom:66px}.page-hero,.section,.cover-card{padding:20px;border-radius:17px}.page-hero h1,.cover-card h1{font-size:28px}.section-head{align-items:flex-start;flex-direction:column}.theme-strip,.four-grid,.career-grid,.slice-list,.discovery-grid,.contact-grid,.product-points{grid-template-columns:1fr}.file-row{grid-template-columns:46px 1fr}.file-row a{grid-column:2}.report-card{grid-template-columns:54px 1fr;padding:16px}.report-no{font-size:30px}.directory-bar{grid-template-columns:1fr;gap:6px}.directory-bar a{grid-column:1}.type-index{grid-template-columns:1fr}.episode-row{grid-template-columns:70px 1fr}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mosaic-group{padding:13px}.mosaic-group span{font-size:12px}.search-layer{top:0;bottom:0;background:var(--bg);overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;box-shadow:none;padding:24px 16px 80px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:12px;font-weight:800}.mobile-bottom a.is-active{color:var(--blue)}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}}@media(max-width:420px){.mosaic-group{padding:11px}.mosaic-group strong{font-size:14px}.mosaic-group span{font-size:11.5px}.footer-grid{grid-template-columns:1fr 1fr}}

/* shared service-page patterns */
.compact{padding-top:26px;padding-bottom:26px}.grid-cards{display:grid;gap:14px}.grid-cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}.info-card{padding:20px;border:1px solid var(--line);border-radius:17px;background:var(--soft)}.info-card h2{font-size:20px;margin:0 0 8px}.info-card p{margin:0 0 10px;color:var(--muted)}.prose-card>h2{margin-bottom:12px}.prose-card p{max-width:900px;margin:0 0 16px;color:var(--muted)}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:44px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.btn.primary{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff}.btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--line)}.step-list{display:grid;gap:12px}.step-card span{font-size:26px;color:var(--blue);font-weight:900;line-height:1.2}.step-card h2{margin:0 0 8px}.clause-list>article{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.clause-list>article h2{font-size:20px;margin:0 0 8px}.clause-list>article p{margin:0;color:var(--muted)}
/* Keep content artwork at its natural ratio. Placeholder slots retain the reserved proportions. */
.cover-media{display:grid;place-items:center;background:var(--soft)}.cover-media img{width:auto;max-width:100%;height:auto;max-height:340px;object-fit:contain}img.content-image{width:auto;max-width:100%;height:auto;max-height:340px;margin-left:auto;margin-right:auto;object-fit:contain}.feature-card img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;background:var(--soft)}.feature-card .media-slot{aspect-ratio:16/10}.stack-card img{width:auto;max-width:100%;height:auto;object-fit:contain}
@media(max-width:900px){.grid-cards.three{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.grid-cards.two,.grid-cards.three{grid-template-columns:1fr}}

/* interaction reach and visible states */
.status-search,.status-brand{position:relative}.status-search::before,.status-brand::before{content:"";position:absolute;inset:-6px -8px}.text-link,.theme-item a,.file-row a,.meter-row a,.directory-bar a{min-height:44px;display:inline-flex;align-items:center}.search-presets a,.related-links a{min-height:44px}.footer-grid a{min-height:44px;display:flex;align-items:center}a:hover{text-decoration:underline;text-underline-offset:3px}button:hover{filter:brightness(.96)}.btn-primary:hover,.app-link:hover{text-decoration:none;filter:brightness(.97)}