:root{--ink:#223139;--muted:#74848b;--accent:#176f60;--line:#dfe7e6;--surface:#fff;--radius:14px}*{box-sizing:border-box}body{margin:0;background:#f3f6f6;color:var(--ink);font:14px/1.7 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}h1,h2,h3,p,figure{margin:0}h1{font-size:29px;line-height:1.4}h2{font-size:23px}h3{font-size:17px}p{color:var(--muted)}img{max-width:100%;display:block}.sidebar{position:fixed;inset:0 auto 0 0;width:228px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:26px 18px;z-index:3}.brand{display:flex;align-items:center;gap:10px;padding:0 6px 24px}.brand img{width:38px;height:38px}.brand strong{font-size:18px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1px;font-weight:400}nav{overflow:auto;flex:1}nav a{display:flex;align-items:center;gap:11px;padding:10px 14px;color:#687980;border-radius:9px;margin:3px 0;font-size:13px}nav a span{width:20px;text-align:center;color:#56776d}nav a.active{background:#e8f4ef;color:var(--accent);font-weight:650}nav a:hover{background:#f0f5f3}.guest-account{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.guest-account strong{display:flex;justify-content:space-between;font-size:13px}.guest-account strong span{color:var(--accent)}.guest-account p{font-size:10px;margin:7px 0 12px}.guest-account .btn{width:100%}.account-login{display:block;font-size:11px;text-align:center;margin-top:10px;color:var(--muted)}.workspace{margin-left:228px;min-height:100vh}.topbar{height:64px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.topbar a{color:var(--accent)}.guest-banner{margin:20px 32px 0;padding:14px 20px;border:1px solid #c8e4d9;background:#e9f5ef;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:10px;z-index:2}.guest-banner p{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:#59776c}.guest-banner strong{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:white;color:var(--ink);border-radius:9px;padding:9px 16px;font-size:12px;white-space:nowrap}.btn.primary{background:var(--accent);border-color:var(--accent);color:white}.text-button{border:0;background:none;color:var(--muted);padding:12px;font-size:12px}main{max-width:1480px;margin:0 auto;padding:32px}.heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px}.heading p{font-size:13px;margin-top:10px}.badge{display:inline-block;border:1px solid #bcdaca;background:#eff8f3;color:var(--accent);border-radius:6px;padding:2px 8px;font-size:10px;font-weight:400}.eyebrow{color:var(--accent);font-size:10px;letter-spacing:2px;margin-bottom:10px}.hero-panel{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;background:linear-gradient(110deg,#123732,#204c44);color:white;border-radius:var(--radius);padding:36px;margin-bottom:28px}.hero-panel p{color:#bad4cc;font-size:13px;margin:15px 0 25px;max-width:460px}.hero-panel .eyebrow{color:#9dd4bd}.hero-panel .btn{background:#a7e1c8;border-color:#a7e1c8;color:#164839}.hero-panel h2{font-size:30px}.hero-pictures{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:center}.hero-pictures img{border-radius:10px;width:100%;aspect-ratio:3/4;object-fit:cover}.section-title{display:flex;justify-content:space-between;align-items:center;margin:28px 0 18px}.section-title span{color:var(--muted);font-size:12px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.card p{font-size:12px;margin:10px 0 20px}.card .symbol{font-size:26px;color:var(--accent);margin-bottom:16px}.card .btn{margin-top:5px}.steps{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.steps span{padding:8px 14px;border:1px solid var(--line);background:white;border-radius:8px;font-size:12px}.readonly-note{padding:14px 18px;background:#edf1f1;border-radius:10px;color:#72837e;font-size:12px;margin:20px 0}.filters{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:24px}.filters label{font-size:12px;color:var(--muted)}.filters select{border:1px solid var(--line);padding:8px 14px;border-radius:8px;background:white;color:var(--ink);max-width:100%}.templates{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.template{padding:0;overflow:hidden;text-align:left;color:var(--ink);cursor:pointer}.template img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top;background:#e6ece9}.template figcaption{padding:14px;font-size:13px;font-weight:550}.template small{display:block;margin-top:5px;color:var(--muted);font-size:10px;font-weight:400}.pagination{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:24px;font-size:12px}.btn:disabled{opacity:.45;cursor:default}.calendar{overflow:auto;background:white;border:1px solid var(--line);border-radius:var(--radius)}table{border-collapse:collapse;width:100%;min-width:680px}th{padding:14px;text-align:left;background:#f8fbfa;font-size:12px;color:var(--muted)}td{padding:14px;border-top:1px solid var(--line);vertical-align:top;height:168px;min-width:120px;font-size:12px}.event{background:#edf7f1;border-left:3px solid #8eb69f;border-radius:5px;padding:9px;margin-top:12px;font-size:11px}.event b{display:block;font-weight:500}.event span{color:var(--muted);font-size:10px}.sample-text{font-size:15px;line-height:2;color:#4f6763;background:#f8fbf9;border-left:3px solid #9db9ad;padding:22px;margin:18px 0}.sample-text p{color:inherit;margin:0 0 12px;font-size:14px}.split{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.key-values{display:grid;grid-template-columns:100px 1fr;gap:16px 12px;margin:22px 0;font-size:13px}.key-values dt{color:var(--muted)}.key-values dd{margin:0}.preview-image{max-height:390px;margin:auto;border-radius:12px;object-fit:contain}.actions{display:flex;flex-wrap:wrap;gap:12px}.video-nodes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.node img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:9px;margin:16px 0}.node .node-type{font-size:11px;color:var(--accent)}.audio-lines{display:flex;gap:4px;align-items:center;height:60px;margin:20px 0}.audio-lines i{display:block;width:4px;height:22px;background:#91b5a5;border-radius:4px}.audio-lines i:nth-child(3n){height:42px}.audio-lines i:nth-child(4n){height:12px}.empty-safe{padding:50px 28px;text-align:center}.empty-safe .symbol{font-size:42px}.empty-safe p{max-width:580px;margin:18px auto 24px}footer{padding:16px 32px 30px;color:var(--muted);font-size:11px}dialog{border:1px solid var(--line);border-radius:18px;background:white;color:var(--ink);padding:36px;width:min(440px,calc(100% - 32px));max-height:90vh;overflow:auto}dialog::backdrop{background:#13282088}dialog h2{font-size:22px;margin:12px 0}dialog p{font-size:13px;margin:16px 0}dialog ul{padding-left:18px;color:#657a73;font-size:12px;line-height:2}dialog .btn{display:flex;width:100%;margin-top:12px}dialog .text-button{display:block;margin:8px auto 0}.dialog-icon{color:var(--accent);font-size:30px}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:none;color:var(--muted);font-size:24px}.templateDialog img,#templateImage{max-height:55vh;object-fit:contain;margin:auto}#templateDialog{width:min(680px,calc(100% - 32px))}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}
@media(max-width:1100px){.sidebar{width:200px}.workspace{margin-left:200px}.cards{grid-template-columns:1fr 1fr}.templates{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-panel{gap:20px;padding:28px}.hero-panel h2{font-size:25px}.hero-panel .hero-pictures img:last-child{display:none}.hero-pictures{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.video-nodes{grid-template-columns:1fr}.node{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}.node img{grid-column:2;grid-row:1/5;margin:0}}
@media(max-width:700px){.sidebar{position:static;width:100%;padding:16px}.brand{padding-bottom:14px}.sidebar nav{display:flex;gap:6px;overflow-x:auto}.sidebar nav a{flex:0 0 auto;padding:8px 10px;font-size:11px;margin:0}.guest-account{display:none}.workspace{margin-left:0}.topbar{height:46px;padding:0 18px;font-size:10px}.guest-banner{margin:14px 18px 0;padding:12px;gap:12px;top:0}.guest-banner p{font-size:10px}.guest-banner .btn{padding:8px 12px;font-size:10px}main{padding:24px 18px}.heading{align-items:start;gap:16px;flex-direction:column}.heading h1{font-size:24px}.hero-panel{grid-template-columns:1fr;padding:24px;gap:24px}.hero-panel .hero-pictures img:last-child{display:block}.hero-pictures{grid-template-columns:repeat(3,1fr)}.cards{grid-template-columns:1fr}.templates{grid-template-columns:1fr 1fr;gap:12px}.card{padding:20px}.template{padding:0}.template figcaption{font-size:11px;padding:10px}.template small{font-size:9px}.filters{gap:10px}.node{display:block}.node img{margin-top:16px}.sample-text{padding:16px}.key-values{grid-template-columns:80px 1fr;font-size:12px}.section-title h2{font-size:20px}.section-title span{font-size:10px}.section-title{gap:12px}footer{padding:16px 18px;font-size:10px}}
.template img { object-fit: contain; object-position: center; }
.line-icon{width:19px;height:19px;flex:0 0 19px;display:block;color:#77718c}
.sidebar nav a .nav-text{font-size:13px;width:auto;color:inherit}
.sidebar nav a.active .line-icon{color:#176f60}
.hub-notice{padding:14px 18px;border:1px solid #e6dcad;background:#fffdf0;border-radius:12px;color:#7b7558;font-size:12px;line-height:1.8;margin-bottom:16px}
.hub-stats{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;margin-bottom:16px}
.hub-stats .card{padding:16px 14px}.hub-stats span{display:block;font-size:11px;color:var(--muted)}.hub-stats strong{display:block;font-size:21px;font-weight:600;margin-top:9px}
.hub-filter{display:flex;gap:12px;align-items:end;padding:14px;margin-bottom:16px;flex-wrap:wrap}
.hub-filter label{display:flex;flex-direction:column;gap:6px;font-size:11px;color:var(--muted)}.hub-search{flex:1;min-width:180px}
.hub-filter input{font:inherit;font-size:13px;min-width:0;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff;color:var(--ink)}
.hub-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 20px}.hub-tabs .btn{border-radius:999px}
.hub-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.hub-card{padding:20px}
.hub-card-title{display:flex;gap:12px;justify-content:space-between;align-items:start}.hub-card h2{font-size:16px;line-height:1.5}.hub-card .badge{white-space:nowrap;font-size:10px}
.hub-preview{position:relative;margin:16px 0;border-radius:10px;overflow:hidden;background:#ecf1ed}.hub-preview img{width:100%;height:140px;object-fit:cover}.hub-preview span{position:absolute;bottom:0;left:0;right:0;font-size:10px;color:white;background:#203e3999;padding:6px 10px}
.hub-card p{font-size:12px;line-height:1.8}.hub-meta{font-size:11px;line-height:1.9;color:var(--muted);margin:12px 0}.hub-card details{border-top:1px solid var(--line);padding:12px 0;font-size:12px}.hub-card summary{cursor:pointer;color:var(--accent)}.hub-card li{padding:5px 0}.hub-card .actions{margin-top:10px;gap:8px}.hub-card .btn{font-size:11px;padding:8px 12px}.hub-empty{grid-column:1/-1;padding:36px;color:var(--muted)}
.material-kind h2{font-size:18px;margin:18px 0 10px}.material-kind p{margin-bottom:20px}.material-kind .actions{margin-top:20px}.material-symbol{width:48px;height:48px;display:grid;place-items:center;background:#f1eefb;border-radius:12px;margin-bottom:20px}.material-symbol .line-icon{width:24px;height:24px}
@media(max-width:1100px){.hub-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:700px){.sidebar nav a .nav-text{font-size:11px}.line-icon{width:17px;height:17px;flex-basis:17px}.hub-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.hub-results{grid-template-columns:1fr}.hub-card-title{flex-wrap:wrap}.hub-filter label{flex:1;min-width:120px}.hub-filter .hub-search{flex-basis:100%}.hub-filter input{width:100%}}