:root{--ivory:#f5f5ed;--paper:#fff;--silver:#e7e9e2;--ink:#202c29;--muted:#5f6b65;--teal:#163e35;--lime:#d1ed63;--orange:#d67c36;--blue:#386eae;--line:#d5dbd1;--radius:18px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--ivory);color:var(--ink);font:16px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}p{margin:0 0 1.2em}h1,h2,h3{line-height:1.35;margin:0 0 .7em;font-weight:650;letter-spacing:-.025em}h1{font-size:clamp(2rem,4.6vw,4rem)}h2{font-size:clamp(1.65rem,3vw,2.65rem)}h3{font-size:1.2rem}img{display:block;max-width:100%;height:auto}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}a:hover{color:var(--teal)}.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.narrow{max-width:1100px}.eyebrow{font:600 12px/1.6 "Segoe UI",sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:20px;display:flex;gap:12px;align-items:center}.eyebrow:before{content:"";width:22px;height:3px;background:var(--orange)}.section{padding-block:88px}.section-heading{display:flex;justify-content:space-between;gap:36px;align-items:flex-end;margin-bottom:32px}.section-heading h2{margin-bottom:0}.section-heading p{max-width:450px;color:var(--muted);margin:0}.section-number{font:500 13px/1.5 monospace;color:var(--muted)}.text-link{display:inline-block;border-bottom:1px solid var(--teal);padding-bottom:2px;font-size:14px;font-weight:600}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 23px;border-radius:7px;font-weight:600;font-size:15px;background:var(--teal);color:white;transition:background .18s,transform .18s;border:1px solid var(--teal)}.button:hover{color:white;background:#245344;transform:translateY(-2px)}.button.secondary{background:transparent;color:var(--teal);border-color:#a9b8a8}.button.lime{background:var(--lime);color:var(--teal);border-color:var(--lime)}.actions{display:flex;gap:12px;flex-wrap:wrap}.muted{color:var(--muted)}
.compact-header{position:sticky;top:0;z-index:30;background:rgba(245,245,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .2s}.compact-header.scrolled{box-shadow:0 5px 18px #173e350d}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}.brand img{width:37px;height:37px}.brand strong{display:block;font-size:19px;line-height:1.4;letter-spacing:-.02em}.brand small{display:block;font-size:10px;letter-spacing:.12em;line-height:1.8;color:var(--muted)}.nav-links{display:flex;gap:7px;align-items:center}.nav-links a{font-size:14px;white-space:nowrap;padding:8px 10px;border-radius:5px}.nav-links a[aria-current=page]{background:var(--lime);color:var(--teal)}.nav-links a:hover{background:#e6ebdd}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:6px;padding:9px 15px;min-height:44px}.menu-backdrop{display:none}
.xiaoniujsq-govcn-power{padding-top:56px}.hero-intro{display:grid;grid-template-columns:1.18fr .82fr;align-items:end;gap:55px;margin-bottom:38px}.hero-intro h1{max-width:780px;font-size:clamp(1.9rem,4vw,3.45rem);white-space:normal}.hero-subtitle{font-size:21px;color:var(--teal);line-height:1.7;max-width:610px;margin-bottom:0}.hero-description{font-size:15px;color:var(--muted);line-height:1.9}.hero-picture{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--silver)}.hero-picture img{width:100%;aspect-ratio:16/9;object-fit:cover;max-height:590px}.image-caption{display:flex;align-items:center;gap:16px;justify-content:space-between;font-size:12px;color:var(--muted);padding:13px 0;border-bottom:1px solid var(--line)}.image-caption span:last-child{font-family:monospace}.hero-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-tags span{border:1px solid var(--line);border-radius:30px;padding:6px 15px;font-size:13px}.hero-tags span:before{content:"+";color:var(--teal);margin-right:7px}.overview{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}.overview-copy p{color:var(--muted)}.overview-copy .lead{font-size:21px;color:var(--ink);line-height:1.8}.overview-line{display:flex;gap:28px;border-top:1px solid var(--line);padding-top:21px;color:var(--teal);font-size:14px}
.device-bento{display:grid;grid-template-columns:1.25fr .8fr .95fr;grid-template-rows:230px 215px;gap:16px}.device-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:white;display:flex;flex-direction:column;overflow:hidden;position:relative;transition:transform .2s,border-color .2s}.device-card:hover{transform:translateY(-3px);border-color:#91a68e}.device-card h3{font-size:24px;margin-bottom:9px}.device-card p{font-size:14px;color:var(--muted);max-width:280px}.device-card .text-link{margin-top:auto;align-self:flex-start}.device-windows{grid-row:span 2;padding:0}.device-windows img{width:100%;height:235px;object-fit:cover}.device-windows .device-copy{padding:25px;display:flex;flex:1;flex-direction:column}.device-android{background:var(--lime);grid-row:span 2;justify-content:space-between}.device-android .platform-glyph{font-size:72px;color:var(--teal);font-weight:300;margin:15px 0}.device-ios{background:#e5ebe4}.device-mac{background:var(--teal);color:white}.device-mac p{color:#d3ddd5}.device-mac .text-link{border-color:var(--lime)}.device-mac:hover{color:white}.browser-note{margin-top:18px;display:flex;justify-content:space-between;gap:28px;align-items:center;border-top:1px solid var(--line);padding:20px 0}.browser-note p{margin:0;color:var(--muted);font-size:14px}.browser-note strong{color:var(--ink)}.xiaoniujsq-govcn-device{background:#e9ede3}.environment{display:grid;grid-template-columns:1.15fr .85fr;gap:65px;align-items:center}.environment img{width:100%;border-radius:var(--radius);aspect-ratio:16/9;object-fit:cover}.environment-list{margin:30px 0;padding:0;list-style:none}.environment-list li{padding:16px 0;border-top:1px solid #cbd4c4;font-size:14px}.environment-list strong{display:block;font-size:16px;margin-bottom:3px}.xiaoniujsq-govcn-flow{background:var(--teal);color:white}.xiaoniujsq-govcn-flow .eyebrow{color:var(--lime)}.xiaoniujsq-govcn-flow .section-heading p{color:#c4d2c8}.workflow{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:0;border-top:1px solid #688073}.workflow-item{padding:27px 26px 16px 0}.workflow-item:nth-child(3n+2),.workflow-item:nth-child(3n){padding-left:28px;border-left:1px solid #496657}.workflow-item:nth-child(4),.workflow-item:nth-child(5){border-top:1px solid #496657}.workflow-item span{font:300 36px/1.3 monospace;color:var(--lime)}.workflow-item h3{margin-top:18px;font-size:17px}.workflow-item p{font-size:14px;color:#cad6cd;max-width:290px}.workflow-link{display:flex;align-items:center;border-top:1px solid #496657;padding:30px 0 0 28px}.workflow-link .button{border-color:#5e776a}
.platform-guides{display:grid;grid-template-columns:1fr 1fr;gap:0 52px}.platform-row{padding:28px 0;border-top:1px solid var(--line)}.platform-row h3{font-size:20px}.platform-row p{color:var(--muted);font-size:15px}.knowledge-split{display:grid;grid-template-columns:1fr 1fr;gap:55px}.terms-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.term{background:white;border:1px solid var(--line);border-radius:12px;padding:22px}.term h3{font-size:17px}.term p{font-size:14px;color:var(--muted);margin:0}.compact-topic{background:#e3e7de}.topic-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}.topic-layout img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius)}.topic-layout p{color:var(--muted)}.photo-story{display:grid;grid-template-columns:1.35fr .65fr;gap:50px;align-items:center}.photo-story img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius)}.photo-story p{color:var(--muted);font-size:15px}.photo-story.reversed{grid-template-columns:.65fr 1.35fr}.status-band{display:grid;grid-template-columns:1.1fr .9fr;background:var(--lime);padding:46px 52px;border-radius:var(--radius);gap:40px;align-items:center}.status-band p{font-size:15px;color:#354b38}.status-links{display:grid;gap:10px}.status-links a{background:rgba(255,255,255,.6);border-radius:8px;padding:17px 22px;font-weight:600;font-size:15px}.article-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.article-card{border-top:1px solid var(--line);padding:24px 0;display:flex;flex-direction:column}.article-card .category{font:12px/1.6 monospace;letter-spacing:.1em;color:var(--muted);margin-bottom:13px}.article-card h3{font-size:19px}.article-card p{color:var(--muted);font-size:14px}.article-card .text-link{align-self:flex-start;margin-top:auto}.article-card.featured{background:var(--teal);border:0;border-radius:var(--radius);padding:26px;color:white}.article-card.featured p,.article-card.featured .category{color:#ccdacd}.article-card.featured .text-link{border-color:var(--lime)}
.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px}.faq-layout>div:first-child p{color:var(--muted)}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;font-size:16px;font-weight:600;list-style:none;padding:22px 38px 22px 0;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:4px;top:18px;font-size:23px;font-weight:400;color:var(--teal)}.faq-list details[open] summary:after{content:"−"}.faq-list details p{font-size:15px;color:var(--muted);padding-right:20px;margin-bottom:22px}.xiaoniujsq-govcn-faq{background:#eef0e7}.cta-band{padding:48px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:30px;align-items:center}.cta-band h2{font-size:27px;margin:0}.cta-band p{margin:8px 0 0;color:var(--muted);font-size:15px}
.xiaoniujsq-govcn-footer{background:var(--teal);color:white;padding-top:58px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}.footer-brand strong{display:block;font-size:19px;margin-bottom:15px}.footer-brand p{font-size:14px;color:#c3d2c7;max-width:335px}.footer-column h3{font-size:14px;color:var(--lime);margin-bottom:17px}.footer-column a{display:block;margin:8px 0;font-size:14px;color:#dce5dd}.xiaoniujsq-govcn-footer a:hover{color:var(--lime)}.friend-links{padding:22px 0;border-top:1px solid #486557;display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;font-size:13px;color:#d4dfd3}.friend-links span{color:var(--lime)}.footer-legal{border-top:1px solid #486557;padding:26px 0 32px;color:#d0ddce;font-size:12px}.registration{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:10px}.footer-legal p{margin:0}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted);padding:28px 0}.breadcrumb span.separator{color:#8b958c}.breadcrumb a:hover{text-decoration:underline}.page-hero{padding:24px 0 44px;display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}.page-hero h1{font-size:clamp(1.9rem,3.4vw,2.9rem)}.page-hero .page-summary{color:var(--muted);font-size:17px}.page-hero img{border-radius:var(--radius);width:100%;aspect-ratio:3/2;object-fit:cover}.page-meta{font-size:12px;color:var(--muted);display:flex;gap:18px;border-top:1px solid var(--line);padding-top:17px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:80px;padding-block:32px 80px}.article-body{min-width:0;max-width:790px}.article-body h2{font-size:26px;margin-top:45px}.article-body h2:first-child{margin-top:0}.article-body h3{margin-top:28px;font-size:19px}.article-body p{color:#48574e}.article-body ul,.article-body ol{padding-left:24px;color:#48574e}.article-body li{padding:5px 0}.article-body a{border-bottom:1px solid #7d9580;color:var(--teal)}.article-body .button{color:white;border-bottom:1px solid var(--teal)}.article-body .callout{padding:24px 28px;background:#e7edda;border-left:3px solid #799c36;margin:30px 0;border-radius:0 10px 10px 0}.article-body .callout p:last-child{margin:0}.article-body figure{margin:35px 0}.article-body figure img{width:100%;border-radius:12px}.article-body figcaption{font-size:12px;color:var(--muted);margin-top:9px}.article-body table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.7}.article-body th,.article-body td{padding:16px;border:1px solid var(--line);text-align:left}.article-body th{background:#e9eddf}.table-scroll{overflow:auto;margin:28px 0}.toc-panel{position:sticky;top:110px;border-top:2px solid var(--teal);padding-top:22px}.toc-panel h2{font-size:16px}.toc-panel a{display:block;font-size:14px;color:var(--muted);padding:10px 0;border-bottom:1px solid var(--line)}.toc-panel .help-link{margin-top:28px;background:var(--lime);padding:19px;border-radius:10px;color:var(--teal);border:0}.related-section{border-top:1px solid var(--line);padding:55px 0 65px}.related-section h2{font-size:24px}.article-body .faq-list{margin-block:30px}.article-body .faq-list a{border:0}.reading-source{font-size:13px;border-top:1px solid var(--line);padding-top:20px;margin-top:36px}.reading-source a{margin-right:15px}.xiaoniujsq-govcn-guide{border-bottom:1px solid var(--line)}.xiaoniujsq-govcn-panel{background:var(--paper)}.xiaoniujsq-govcn-a7 .page-hero{padding-top:12px}.xiaoniujsq-govcn-compact .page-meta{border-color:#99ab92}.xiaoniujsq-govcn-prototype .page-hero img{border-radius:4px 26px 4px 26px}
.page-hero figure{margin:0}.xiaoniujsq-govcn-head{border-bottom-color:#bfccbc}
@media(min-width:1450px){.hero-picture img{max-height:650px}}@media(max-width:1150px){.nav-links{gap:2px}.nav-links a{padding:8px 6px;font-size:13px}.header-inner{gap:15px}.brand strong{font-size:17px}.brand small{font-size:9px}.overview{gap:50px}.article-layout{gap:45px;grid-template-columns:minmax(0,1fr) 220px}}
@media(max-width:980px){.wrap{width:calc(100% - 48px)}.section{padding-block:64px}.header-inner{min-height:72px}.menu-toggle{display:block}.nav-links{position:fixed;top:72px;right:0;width:min(360px,88vw);height:calc(100dvh - 72px);padding:30px 24px;background:var(--ivory);display:flex;flex-direction:column;align-items:stretch;gap:8px;clip-path:inset(0 0 0 100%);visibility:hidden;transition:clip-path .22s,visibility .22s;z-index:32;overflow:auto}.nav-links.open{clip-path:inset(0);visibility:visible}.nav-links a{padding:13px 17px;font-size:16px}.menu-backdrop.active{display:block;position:fixed;inset:72px 0 0;background:#15312755;z-index:29}.hero-intro{grid-template-columns:1fr;gap:24px}.hero-intro h1{font-size:40px}.hero-description{max-width:650px}.hero-subtitle{font-size:20px}.overview{grid-template-columns:.7fr 1.3fr;gap:35px}.device-bento{grid-template-columns:1.1fr .9fr;grid-template-rows:auto}.device-windows,.device-android{grid-row:span 2}.device-ios,.device-mac{min-height:215px}.environment,.topic-layout{gap:35px}.knowledge-split{gap:35px}.photo-story,.photo-story.reversed{grid-template-columns:1fr 1fr;gap:35px}.status-band{padding:35px;gap:25px}.faq-layout{gap:35px}.article-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:550px}.page-hero{gap:30px}.article-layout{grid-template-columns:minmax(0,1fr);gap:20px;padding-top:8px}.article-layout aside{grid-row:1}.toc-panel{position:static;display:flex;gap:6px 20px;flex-wrap:wrap;border-top:1px solid var(--line);padding-block:15px}.toc-panel h2{width:100%;margin:0}.toc-panel a{padding:3px 0}.toc-panel .help-link{display:none}.article-body{max-width:none}}
@media(max-width:640px){.wrap{width:calc(100% - 36px)}.section{padding-block:48px}.eyebrow{margin-bottom:15px}.xiaoniujsq-govcn-power{padding-top:34px}.hero-intro{margin-bottom:26px;gap:20px}.hero-intro h1{font-size:27px;line-height:1.4;letter-spacing:-.04em}.hero-subtitle{font-size:17px}.hero-description{font-size:15px}.actions{gap:9px}.button{padding:10px 16px;font-size:14px}.hero-picture{border-radius:12px}.hero-picture img{aspect-ratio:4/3;min-height:250px;object-position:center}.image-caption{font-size:11px;gap:10px}.image-caption span:last-child{font-size:10px}.hero-tags{gap:7px;margin-top:15px}.hero-tags span{font-size:12px;padding:4px 10px}.overview,.environment,.topic-layout,.knowledge-split,.photo-story,.photo-story.reversed,.faq-layout,.page-hero{grid-template-columns:1fr;gap:28px}.overview-copy .lead{font-size:18px}.overview-line{gap:18px;font-size:13px}.section-heading{display:block;margin-bottom:25px}.section-heading p{margin-top:14px;font-size:15px}.device-bento{grid-template-columns:1fr 1fr;gap:11px}.device-windows{grid-column:1/-1;grid-row:auto}.device-windows img{height:210px}.device-android{grid-row:auto;grid-column:1/-1;min-height:230px;display:grid;grid-template-columns:1fr auto;gap:10px}.device-android .platform-glyph{grid-column:2;grid-row:1/3;font-size:64px;margin:0;align-self:center}.device-android .text-link{align-self:end}.device-card{padding:21px}.device-ios,.device-mac{min-height:220px}.device-card h3{font-size:21px}.device-card p{font-size:13px}.browser-note{display:block}.browser-note .text-link{margin-top:12px}.workflow{grid-template-columns:1fr 1fr}.workflow-item:nth-child(n){padding:22px 16px 10px 0;border:0;border-bottom:1px solid #496657}.workflow-item:nth-child(even){border-left:1px solid #496657;padding-left:18px}.workflow-item span{font-size:30px}.workflow-item h3{font-size:16px}.workflow-item p{font-size:13px}.workflow-link{padding:22px 0 0 18px;border-left:1px solid #496657}.platform-guides{grid-template-columns:1fr}.platform-row{padding:22px 0}.terms-grid{gap:10px}.term{padding:17px}.photo-story.reversed>div{order:2}.status-band{grid-template-columns:1fr;padding:28px;gap:15px}.status-band h2{font-size:24px}.article-grid{grid-template-columns:1fr}.article-card{padding:22px 0}.article-card p{margin-bottom:16px}.faq-list summary{font-size:15px;padding-block:20px}.cta-band{display:block;padding-block:34px}.cta-band h2{font-size:23px}.cta-band .actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-column:last-child{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:0 20px}.footer-column:last-child h3{width:100%;margin-bottom:8px}.footer-brand strong{font-size:17px}.footer-legal{font-size:11px}.registration{gap:7px;flex-direction:column}.friend-links{gap:8px 15px;font-size:12px}.breadcrumb{font-size:12px;padding-block:20px}.page-hero{padding-top:10px;padding-bottom:30px}.page-hero h1{font-size:28px}.page-hero .page-summary{font-size:16px}.page-meta{gap:12px}.article-body h2{font-size:23px;margin-top:34px}.article-body h3{font-size:18px}.article-body .callout{padding:20px}.article-body table{table-layout:fixed}.article-body th,.article-body td{padding:11px;overflow-wrap:anywhere}.toc-panel{gap:8px 15px}.toc-panel a{font-size:13px}.related-section{padding-block:35px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}