:root{--bg:#F3F7FB;--deep:#E6EFF7;--surface:#FFFFFF;--secondary:#DCEBF5;--ink:#10263A;--text:#263B4C;--muted:#60788C;--soft:#8094A5;--brand:#3B9FE0;--bright:#67B9EC;--steel:#1E6FB8;--ice:#B8DDF3;--mint:#39A69C;--border:rgba(30,111,184,.16);--strong-border:rgba(59,159,224,.38);--shadow:0 14px 36px rgba(16,38,58,.08);--topbar:72px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}body.modal-open{overflow:hidden}a{color:var(--steel);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:1200;left:12px;top:-80px;background:#10263A;color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}
.topbar{position:sticky;top:0;z-index:800;height:var(--topbar);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 8px 22px rgba(16,38,58,.05)}.topbar-inner{width:min(var(--max),calc(100% - 32px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{min-width:0;display:flex;align-items:center;gap:14px;color:var(--ink);font-weight:800}.brand-link:hover{text-decoration:none}.brand-logo{height:34px;width:auto;max-width:210px;object-fit:contain}.brand-text{font-size:20px}.brand-status{font-size:13px;color:var(--muted);font-weight:600;border-left:1px solid var(--border);padding-left:14px}.top-actions{display:flex;align-items:center;gap:8px}.icon-action,.app-action{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:0 14px;border:1px solid var(--border);background:#fff;color:var(--ink);font-weight:700}.icon-action:hover,.app-action:hover{border-color:var(--strong-border);background:#eef7fd;text-decoration:none}.app-action{background:linear-gradient(135deg,#67B9EC 0%,#3B9FE0 52%,#1E6FB8 100%);color:#fff;border-color:transparent}
.site-shell{width:min(var(--max),calc(100% - 32px));margin:26px auto 0;display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}.category-rail{position:sticky;top:calc(var(--topbar) + 20px);padding:18px;background:rgba(255,255,255,.8);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.rail-group{margin-bottom:18px}.rail-group h2{font-size:12px;letter-spacing:.08em;color:var(--soft);margin:0 0 8px}.rail-group a{display:block;min-height:40px;padding:8px 10px;margin:2px 0;color:var(--text);border-left:3px solid transparent;border-radius:7px;font-size:14px}.rail-group a:hover{background:#eff7fc;text-decoration:none}.rail-group a.active{border-left-color:var(--steel);background:#e7f3fb;color:var(--ink);font-weight:800}.rail-all{width:100%;min-height:44px;border:1px solid var(--strong-border);background:#fff;color:var(--steel);border-radius:10px;font-weight:800}.page-main{min-width:0;padding-bottom:48px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--soft);font-size:14px;margin:0 0 12px}.breadcrumb a{color:var(--muted)}.page-hero{background:linear-gradient(145deg,#fff 0%,#edf7fd 100%);border:1px solid var(--border);border-radius:18px;padding:clamp(22px,4vw,42px);margin-bottom:24px;box-shadow:var(--shadow)}.eyebrow{display:inline-block;color:var(--steel);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:8px}.page-hero h1,.home-copy h1{font-size:clamp(30px,4.1vw,38px);line-height:1.22;margin:0 0 15px;color:var(--ink);letter-spacing:-.02em}.page-hero p,.home-copy p{font-size:17px;max-width:880px;margin:0;color:var(--text)}
.hero-actions,.cta-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn-primary,.btn-secondary{min-height:46px;padding:10px 18px;border-radius:10px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:linear-gradient(135deg,#67B9EC 0%,#3B9FE0 52%,#1E6FB8 100%);color:#fff}.btn-primary:hover{color:#fff;text-decoration:none}.btn-secondary{background:#fff;border:1px solid var(--strong-border);color:var(--steel)}.btn-secondary:hover{text-decoration:none;background:#edf7fd}
.content-section{margin:22px 0;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:clamp(20px,3vw,32px);box-shadow:0 10px 28px rgba(16,38,58,.05)}.content-section h2{font-size:clamp(22px,3vw,28px);line-height:1.3;color:var(--ink);margin:0 0 14px}.content-section h3{color:var(--ink);font-size:18px;margin:20px 0 8px}.content-section p{margin:9px 0}.section-lead{font-size:17px;color:var(--muted)}.split{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(260px,.92fr);gap:24px;align-items:center}.media-frame{border:1px solid var(--border);background:linear-gradient(145deg,#f9fcff,#e6f1f8);border-radius:14px;padding:12px;min-height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-frame.wide{min-height:240px}.media-frame.portrait{max-height:460px;min-height:320px}.media-img{width:100%;height:100%;max-height:360px;object-fit:contain;object-position:center}.media-frame.portrait .media-img{max-height:440px}.media-placeholder{width:100%;min-height:210px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#dcebf5,#f7fbfe);border:1px dashed rgba(30,111,184,.28);border-radius:10px;color:var(--steel);font-weight:800;text-align:center;padding:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag{display:inline-flex;padding:5px 10px;background:#e8f4fb;color:#245979;border-radius:8px;font-size:13px;font-weight:700}.tag.mint{background:#e8f6f4;color:#246b65}.notice{padding:16px 18px;border-left:4px solid var(--mint);background:#edf8f6;border-radius:10px;color:#315952}.related{background:var(--deep)}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-links a{min-height:84px;padding:15px;background:#fff;border:1px solid var(--border);border-radius:12px;color:var(--ink);font-weight:800;display:flex;align-items:center}.related-links a:hover{background:#f5fbff;text-decoration:none;border-color:var(--strong-border)}.page-cta{margin:22px 0 0;padding:24px;background:linear-gradient(135deg,#1E6FB8,#3B9FE0);border-radius:16px;color:#fff}.page-cta h2{margin:0 0 8px;font-size:24px}.page-cta p{margin:0;color:#e8f5fd}
.home-banner{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:24px}.banner-frame{width:100%;background:#eaf3f9;display:flex;justify-content:center;align-items:center;max-height:420px}.banner-frame .media-img{width:100%;height:auto;max-height:420px}.banner-frame .media-placeholder{min-height:270px;border-radius:0;border:0}.home-copy{padding:clamp(22px,4vw,40px)}
.task-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:24px 0}.task-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;min-height:210px;display:flex;flex-direction:column}.task-card.featured{background:#eaf5fb}.task-thumb{height:92px;margin-bottom:12px;border-radius:10px;overflow:hidden;background:#e7f1f7;display:flex;align-items:center;justify-content:center}.task-thumb .media-img{max-height:92px}.task-num{font-size:34px;line-height:1;color:var(--steel);font-weight:900;margin-bottom:14px}.task-card h2{font-size:18px;margin:0 0 6px;color:var(--ink)}.task-card p{font-size:14px;color:var(--muted);margin:0 0 12px}.task-card a{margin-top:auto;font-weight:800}
.editor-board{display:grid;grid-template-columns:1.35fr .65fr;gap:14px}.editor-main{grid-row:span 2;background:#fff}.editor-main,.editor-side{border:1px solid var(--border);border-radius:14px;padding:20px}.editor-side{background:#f6fbfe}.channel-band{display:grid;grid-template-columns:minmax(260px,.9fr) minmax(0,1.1fr);gap:22px;align-items:center;padding:20px 0;border-bottom:1px solid var(--border)}.channel-band:last-child{border-bottom:0}.channel-band.reverse .media-frame{order:2}.channel-band h3{font-size:23px;margin:0 0 8px}.people-flow{display:grid;grid-template-columns:minmax(260px,.88fr) minmax(0,1.12fr);gap:24px;align-items:center}.node-list{position:relative;padding-left:26px}.node-list:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:#b7d9ec}.node{position:relative;margin:0 0 20px}.node:before{content:"";position:absolute;left:-23px;top:9px;width:10px;height:10px;border-radius:50%;background:var(--steel);box-shadow:0 0 0 5px #e7f3fb}.node h3{margin:0 0 5px}
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}.mosaic article{border-radius:14px;padding:20px;min-height:155px;border:1px solid var(--border);background:#fff}.mosaic article:nth-child(1){grid-column:span 7;background:#e7f4fb}.mosaic article:nth-child(2){grid-column:span 5;background:#e8f6f4}.mosaic article:nth-child(3){grid-column:span 4}.mosaic article:nth-child(4){grid-column:span 4;background:#edf3f7}.mosaic article:nth-child(5){grid-column:span 4;background:#dcebf5}.mosaic article:nth-child(6){grid-column:span 12}.mosaic strong{font-size:12px;color:var(--steel);letter-spacing:.12em}.mosaic h3{margin:5px 0}
.shelf-chart{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}.shelf-box,.chart-box{border-radius:16px;border:1px solid var(--border);padding:22px;background:#fff}.shelf-layers{display:grid;gap:8px}.shelf-layer{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;background:#eef6fb;border-left:5px solid #67B9EC;border-radius:8px}.shelf-layer:nth-child(even){border-left-color:#39A69C;background:#eef8f6}.rank-list{counter-reset:rank;margin:0;padding:0;list-style:none}.rank-list li{counter-increment:rank;display:grid;grid-template-columns:58px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--border)}.rank-list li:before{content:"0" counter(rank);font-size:27px;font-weight:900;color:var(--steel)}
.lab-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.lab-item{padding:20px;border-radius:14px;background:#f9fcfe;border:1px solid var(--border)}.demo-toggle{min-height:44px;border:1px solid var(--strong-border);background:#fff;color:var(--steel);border-radius:10px;padding:8px 14px;font-weight:800}.compact-reading .content-section p,.compact-reading .lab-item p{line-height:1.55}.mobile-showcase{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);gap:26px;align-items:center}.app-visual{display:flex;gap:14px;align-items:flex-end}.app-visual .media-frame{flex:1}.icon-frame{width:84px;height:84px;border:1px solid var(--border);border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:center;padding:8px}.icon-frame .media-img{width:100%;height:100%;object-fit:contain}.icon-frame .media-placeholder{min-height:64px;padding:8px}.boundary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.boundary-grid article{border:1px solid var(--border);border-radius:14px;padding:20px;background:#fff}.boundary-grid article:last-child{grid-column:1/-1}
.status-board{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.status-col{border:1px solid var(--border);border-radius:12px;background:#fbfdff;padding:14px}.status-col h3{font-size:16px}.status-chip{display:block;margin-top:10px;padding:10px;border-radius:8px;background:#eaf4fa;color:var(--text);font-size:14px}.flow-steps{counter-reset:flow;display:grid;gap:12px}.flow-step{counter-increment:flow;display:grid;grid-template-columns:64px 1fr;gap:18px;padding:18px;border:1px solid var(--border);border-radius:14px;background:#fff}.flow-step:before{content:"0" counter(flow);font-size:26px;font-weight:900;color:var(--steel)}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:0 18px;margin:10px 0}.faq-list summary{min-height:54px;display:flex;align-items:center;font-weight:800;color:var(--ink);cursor:pointer}.faq-list details p{padding:0 0 16px;margin:0}.clause-grid,.contact-types,.card-grid,.step-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.clause-card,.contact-type,.mini-card,.step-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px}.contact-type{background:#f7fbfd}.timeline{display:grid;gap:12px}.timeline article{display:grid;grid-template-columns:80px 1fr;gap:18px;border-left:4px solid var(--brand);padding:16px 18px;background:#f8fbfd;border-radius:10px}.timeline strong{color:var(--steel)}
.overlay{position:fixed;inset:0;z-index:900;background:rgba(16,38,58,.44);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.site-panel{position:fixed;z-index:920;left:50%;bottom:18px;transform:translate(-50%,24px);width:min(980px,calc(100% - 32px));max-height:82vh;overflow:auto;background:#f8fbfd;border:1px solid var(--strong-border);border-radius:18px;padding:20px;box-shadow:0 30px 80px rgba(16,38,58,.24);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.site-panel.open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.panel-head,.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:16px}.panel-brand{display:flex;align-items:center;gap:12px}.panel-logo{height:32px;width:auto;max-width:180px}.panel-brand div,.search-head div{display:flex;flex-direction:column}.panel-brand span,.search-head span{font-size:13px;color:var(--muted)}.close-btn{width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:24px;line-height:1}.panel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.panel-group h2{font-size:14px;color:var(--steel);margin:0 0 8px}.panel-group a{display:block;padding:11px 12px;border-radius:10px;color:var(--text)}.panel-group a:hover,.panel-group a.active{background:#e7f3fb;text-decoration:none}.panel-group a strong,.panel-group a span{display:block}.panel-group a span{color:var(--muted);font-size:12px;line-height:1.5}
.search-dialog{position:fixed;z-index:930;left:50%;top:50%;transform:translate(-50%,-46%);width:min(640px,calc(100% - 32px));max-height:82vh;overflow:auto;background:#fff;border:1px solid var(--strong-border);border-radius:18px;padding:22px;box-shadow:0 30px 80px rgba(16,38,58,.25);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.search-dialog.open{transform:translate(-50%,-50%);opacity:1;visibility:visible;pointer-events:auto}.search-field input{width:100%;min-height:50px;border:1px solid var(--strong-border);border-radius:10px;padding:10px 14px;color:var(--ink);background:#fafdff;outline:none}.search-field input:focus{box-shadow:0 0 0 3px rgba(59,159,224,.18)}.search-hint{font-size:13px;color:var(--muted)}.search-results{display:grid;grid-template-columns:1fr 1fr;gap:9px}.search-results a{padding:12px;border:1px solid var(--border);border-radius:10px;color:var(--ink)}.search-results a:hover{text-decoration:none;background:#eef7fc}.search-results strong,.search-results span{display:block}.search-results span{font-size:12px;color:var(--muted)}.search-empty{padding:15px;background:#edf3f7;border-radius:10px;color:var(--muted)}
.site-footer{background:#143b5b;color:#d7e5ef;margin-top:20px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto;padding:40px 0 32px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:26px}.footer-logo{height:32px;width:auto;filter:brightness(0) invert(1);opacity:.92}.footer-wordmark{color:#fff;font-weight:900}.footer-brand strong{color:#fff;font-size:19px}.footer-brand span{color:#a9c3d6;font-size:13px}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-group h2{font-size:14px;color:#fff;margin:0 0 9px}.footer-group a{display:block;color:#c9dbe8;margin:5px 0;font-size:14px}.footer-note{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;margin-top:25px;color:#bcd0df}.copyright{color:#96b2c6;margin-bottom:0;font-size:14px}.mobile-bottom{display:none}:focus-visible{outline:3px solid rgba(59,159,224,.38);outline-offset:2px}
@media(max-width:1100px){.site-shell{grid-template-columns:205px minmax(0,1fr);gap:20px}.task-band{grid-template-columns:repeat(2,1fr)}.status-board{grid-template-columns:repeat(3,1fr)}}
@media(max-width:960px){.site-shell{display:block}.category-rail{display:none}.panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related-links{grid-template-columns:1fr 1fr}.editor-board,.people-flow,.shelf-chart,.mobile-showcase{grid-template-columns:1fr}.editor-main{grid-row:auto}.mosaic article:nth-child(n){grid-column:span 6}.status-board{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){:root{--topbar:68px}.topbar-inner,.site-shell,.footer-inner{width:calc(100% - 32px)}.brand-status,.app-action,.action-label{display:none}.brand-logo{height:30px;max-width:165px}.icon-action{width:46px;padding:0}.site-shell{margin-top:16px}.page-main{padding-bottom:76px}.page-hero{padding:22px 18px}.page-hero p,.home-copy p{font-size:16px}.task-band,.lab-grid,.boundary-grid,.clause-grid,.contact-types,.card-grid,.step-grid{grid-template-columns:1fr}.editor-board,.channel-band,.split,.people-flow,.shelf-chart,.mobile-showcase{display:block}.channel-band .media-frame,.channel-band.reverse .media-frame{order:initial;margin-bottom:16px}.media-frame{min-height:0}.media-img{height:auto;max-height:none}.media-frame.portrait{max-height:none;min-height:0}.mosaic{grid-template-columns:1fr}.mosaic article:nth-child(n){grid-column:auto;min-height:0}.related-links{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,1fr)}.panel-grid{grid-template-columns:1fr 1fr}.site-panel{width:100%;max-height:82vh;bottom:0;border-radius:18px 18px 0 0}.search-results{grid-template-columns:1fr}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:700;min-height:56px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 20px rgba(16,38,58,.08)}.mobile-bottom a{min-width:0;display:flex;align-items:center;justify-content:center;color:var(--text);font-size:12px;font-weight:800;padding:8px 2px}.mobile-bottom a:hover{text-decoration:none}.mobile-bottom a.active{background:var(--steel);color:#fff}.site-footer{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.flow-step{grid-template-columns:48px 1fr}.status-board{grid-template-columns:1fr}.banner-frame{max-height:none}.banner-frame .media-img{max-height:none}.timeline article{grid-template-columns:1fr}.app-visual{align-items:center}}
@media(max-width:420px){.top-actions{gap:5px}.brand-logo{max-width:145px}.panel-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.task-card{min-height:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}