@font-face{font-family:Wenkai;src:url('assets/LXGWWenKaiLite-Regular.ttf') format('truetype');font-display:swap}
:root{--bg:#faf9f5;--paper:#fffefa;--line:#deded4;--blue:#dceef3;--yellow:#f6edc3;--sage:#e4eddc;--peach:#f7e2d6;--ink:#000;--title:Wenkai,'Songti SC',serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:#000;font:16px/1.7 'PingFang SC','Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit;color:#000}a{color:#000;text-decoration:none}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;background:#efeee7;color:#000}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #4c7678;outline-offset:4px}img{max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--title);font-weight:600;line-height:1.35}h1{font-size:38px}h2{font-size:27px}h3{font-size:23px}.preview-note{position:relative;z-index:30;background:#e9ebdf;border-bottom:1px solid var(--line);text-align:center;padding:7px 15px;font-size:13px;min-height:37px}.skip{position:fixed;left:12px;top:-100px;z-index:100;background:white;padding:10px}.skip:focus{top:10px}
.sidebar{position:fixed;top:37px;bottom:0;width:252px;padding:28px 21px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--bg);z-index:25;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px}.brand-mark{font:48px var(--title)}.brand strong{display:block;font:600 25px var(--title)}.brand small{display:block;font-size:11px;margin-top:5px}.teacher{display:flex;gap:13px;align-items:center;padding:24px 0;margin:15px 0 10px;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}.teacher b{font-size:16px}.teacher small{display:block;font-size:12px;margin-top:3px}.avatar{display:grid;place-items:center;width:43px;height:43px;border:1px solid #575b50;border-radius:16px;background:var(--yellow);font:24px var(--title);flex-shrink:0}nav{display:grid;gap:8px}nav a{display:flex;align-items:center;gap:14px;padding:13px 15px;border:1px solid transparent;border-radius:14px;font-size:16px}nav a.active{background:var(--blue);border-color:#b9cdd0}nav a:hover{background:#edeee6}.nav-icon{font-size:20px;width:23px;text-align:center}.side-note{margin-top:auto;padding:25px 8px 3px;font-size:14px}.side-note img{width:125px;height:95px;object-fit:contain}.side-note a{font-size:12px;display:block;margin-top:15px;text-decoration:underline;text-underline-offset:4px}.workspace{margin-left:252px}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 38px;border-bottom:1px solid var(--line)}.crumb{display:flex;align-items:center;gap:12px;font-size:13px}.icon-button{border:1px solid var(--line);border-radius:10px;background:var(--paper);width:38px;height:38px}#menu{display:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--paper);border:1px solid #7e8578;border-radius:13px;padding:12px 21px;min-height:49px;font-size:16px;line-height:1.4;font-weight:600;transition:transform .15s,background .15s}.button:hover{transform:translateY(-1px);background:#eff0e7}.button.primary{background:var(--yellow);border-color:#54594b;box-shadow:0 3px 0 #343c2410}.button.small{padding:9px 14px;min-height:40px;font-size:14px}.button.text{border:0;padding:5px 0;text-decoration:underline;text-underline-offset:5px;background:transparent}.scopebar{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:19px 38px 0;font-size:12px}.switch{display:flex;padding:4px;gap:3px;border:1px solid var(--line);border-radius:13px;background:#f0f0e9}.switch button{border:0;border-radius:9px;padding:9px 14px;background:none;font-size:13px}.switch button.selected{background:white;box-shadow:0 1px 5px #2221}main{max-width:1320px;margin:auto;padding:28px 38px 45px;min-height:70vh;animation:enter .2s ease}footer{border-top:1px solid var(--line);display:flex;gap:15px;justify-content:space-between;padding:20px 38px;font-size:12px}.welcome{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:280px;padding:5px 0 27px}.welcome p{margin:17px 0 24px;font-size:17px}.eyebrow{font-size:12px;letter-spacing:.1em;margin-bottom:15px}.welcome h1 span{box-shadow:inset 0 -10px var(--yellow)}.hero-art{width:300px;height:255px;object-fit:contain}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.route-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px dashed #bbc1b2;border-bottom:1px dashed #bbc1b2;padding:18px 0;margin-bottom:30px}.route-strip a{display:flex;align-items:center;gap:11px;padding:0 12px;font-size:14px}.route-strip b{font-family:var(--title);font-size:23px;border:1px solid #c9cdbf;border-radius:50%;width:33px;height:33px;text-align:center;line-height:32px}.route-strip small{display:block;font-size:11px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:30px 0 17px}.section-title p{font-size:13px;margin-top:6px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{border:1px solid var(--line);border-radius:21px;background:var(--paper);padding:23px;min-width:0}.card .art{height:125px;width:100%;object-fit:contain;margin-bottom:12px}.card p{font-size:14px;margin:10px 0 15px}.card .card-link{font-size:14px;text-decoration:underline;text-underline-offset:5px}.tag{display:inline-flex;align-items:center;border:1px solid #d8dccf;background:var(--sage);border-radius:6px;font-size:11px;padding:2px 8px;margin-bottom:10px}.tag.warm{background:var(--yellow)}.tag.blue{background:var(--blue)}.tag.soft{background:#efeee7}.note{border-left:3px solid #afba99;background:#f0f2e9;border-radius:0 12px 12px 0;padding:15px 18px;font-size:14px;margin:22px 0}.split{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}.page-heading{margin:8px 0 27px}.page-heading p{margin-top:12px;max-width:740px;font-size:16px}.form{display:grid;gap:20px}.field{display:grid;gap:8px}.field span{font-size:15px;font-weight:600}input,select,textarea{width:100%;background:white;border:1px solid #b9beb0;border-radius:11px;padding:12px 14px;min-height:48px}textarea{min-height:155px;resize:vertical}input::placeholder,textarea::placeholder{color:#000;opacity:1}.fields-two{display:grid;grid-template-columns:1fr 1fr;gap:15px}.upload{border:1px dashed #a7ad9e;border-radius:16px;background:#f5f6ee;padding:20px}.upload input{border:0;background:transparent;padding:10px 0;font-size:13px}.upload p{font-size:13px}.tiny{font-size:12px!important}.large-art{width:100%;height:160px;object-fit:contain}.steps-list{padding:0;list-style:none;margin:18px 0 0;display:grid;gap:18px}.steps-list li{font-size:14px}.steps-list b{display:block;margin-bottom:4px}.sample-card{padding:14px}.sample-card .image-button{display:block;padding:0;border:0;background:#efeee7;cursor:zoom-in;width:100%;border-radius:12px;overflow:hidden;height:265px}.sample-card img{width:100%;height:100%;object-fit:cover;object-position:top}.sample-caption{padding:17px 9px 7px}.sample-caption h3{font-size:22px}.sample-caption p{font-size:13px;margin:8px 0 12px}.empty{padding:45px 25px;text-align:center;border:1px dashed #b7bdad;border-radius:22px;background:#fffefa}.empty img{width:180px;height:145px;object-fit:contain}.empty p{max-width:540px;margin:13px auto 20px;font-size:15px}.archive-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:22px}.student-list{display:grid;gap:12px}.student-card{display:flex;gap:12px;text-align:left;align-items:center;border:1px solid var(--line);border-radius:15px;background:var(--paper);padding:16px;width:100%}.student-card.active{background:var(--yellow);border-color:#a6ad96}.student-card small{display:block;font-size:12px;margin-top:2px}.timeline{padding:22px 0 5px}.timeline article{border-left:1px solid #b5bdab;padding:0 0 22px 22px;margin-left:8px;position:relative}.timeline article:before{content:'';position:absolute;left:-5px;top:7px;width:9px;height:9px;background:#a8b597;border-radius:50%}.timeline h3{font-size:20px}.timeline p{font-size:14px;margin-top:9px}.preview-large{padding:12px;border-radius:18px;border:1px solid var(--line);background:#e9ece1;width:100%;cursor:zoom-in}.preview-large img{display:block;width:100%;max-height:580px;object-fit:contain;object-position:top}.paper-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:22px}.paper-options{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.paper-options button{font-size:13px;padding:8px 12px;border:1px solid #aab19d;border-radius:10px;background:white}.paper-options button.selected{background:var(--yellow)}.preference-list{display:grid;gap:12px;margin:20px 0}.preference-list label{display:flex;gap:12px;align-items:center;border-bottom:1px dashed var(--line);padding-bottom:12px;font-size:15px}.preference-list input{width:19px;min-height:19px;accent-color:#657557}.report-outline{background:white;border:1px solid var(--line);box-shadow:0 8px 22px #2221;padding:30px;max-width:460px;margin:auto;min-height:530px}.report-outline h3{text-align:center;border-bottom:2px solid #333;padding-bottom:18px}.outline-item{padding:18px 0;border-bottom:1px solid #ddd;font-size:14px}.outline-item b{display:block;margin-bottom:8px}.outline-line{height:5px;border-radius:3px;background:#e7e7df;margin:10px 0;width:95%}.outline-line.short{width:68%}.doc-badge{font-size:12px;text-align:center;margin-bottom:20px}.preferences-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}.busy-note{background:var(--yellow);border:1px solid #d4c994;padding:14px;border-radius:12px;font-size:13px}.status-row{display:flex;gap:12px;align-items:start;padding:15px 0;border-bottom:1px dashed var(--line);font-size:14px}.status-row b{min-width:56px}dialog{border:1px solid #abb39c;border-radius:18px;padding:0;width:min(1040px,94vw);max-height:92vh;background:var(--paper)}dialog::backdrop{background:#24292299}.dialog-head{position:sticky;top:0;display:flex;justify-content:space-between;gap:16px;align-items:center;background:var(--paper);padding:15px 20px;border-bottom:1px solid var(--line);z-index:1}.dialog-body{overflow:auto;padding:18px;background:#e8e9e1}.dialog-body img{display:block;width:100%;height:auto;margin:auto}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--sage);padding:12px 20px;border:1px solid #809071;border-radius:12px;box-shadow:0 6px 25px #0002;z-index:90;max-width:90vw;display:none}#toast.show{display:block}@keyframes enter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(min-width:1500px){main{padding-top:38px}.hero-art{width:340px;height:275px}.welcome h1{font-size:44px}.card .art{height:145px}}
@media(max-width:1150px){.sidebar{width:220px;padding:24px 15px}.workspace{margin-left:220px}.topbar,.scopebar{padding-left:25px;padding-right:25px}main{padding:25px}.hero-art{width:235px}.welcome h1{font-size:33px}.split{grid-template-columns:minmax(0,1fr) 240px}.cards{gap:12px}.card{padding:18px}.archive-layout{grid-template-columns:190px minmax(0,1fr)}.scopebar{align-items:start;flex-direction:column}.paper-layout{grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:850px){.sidebar{transform:translateX(-100%);transition:transform .2s;box-shadow:10px 0 40px #0001}.sidebar.open{transform:none}.workspace{margin:0}#menu{display:block}.crumb>span:first-of-type{display:none}.split{grid-template-columns:minmax(0,1fr) 260px}.hero-art{width:260px}.welcome h1{font-size:35px}.scopebar{flex-direction:row;align-items:center}.scopebar>span{display:none}}
@media(max-width:600px){body{font-size:15px}.preview-note{font-size:11px;min-height:35px}.sidebar{top:35px}.topbar{height:66px;padding:0 16px}.crumb{font-size:12px;gap:9px}.scopebar{padding:15px 16px 0}.switch{width:100%}.switch button{flex:1;padding:8px 6px;font-size:12px}main{padding:24px 17px 30px}h1{font-size:29px}h2{font-size:25px}.welcome{position:relative;min-height:310px;display:block;padding-top:8px;padding-bottom:0}.welcome h1{font-size:32px}.welcome p{font-size:15px;max-width:215px;margin:15px 0}.hero-art{position:absolute;width:136px;height:142px;right:-8px;top:94px;z-index:-1}.welcome .actions{padding-top:13px;max-width:230px;gap:10px}.welcome .actions .button{font-size:14px}.eyebrow{font-size:11px}.route-strip{grid-template-columns:1fr 1fr;gap:18px 0;padding:17px 0}.route-strip a{padding:0 5px;font-size:13px}.cards{grid-template-columns:1fr;gap:15px}.card{padding:20px}.card.feature{position:relative;padding-right:115px;min-height:190px}.card.feature .art{position:absolute;right:4px;top:27px;width:109px;height:117px}.section-title{align-items:start}.section-title .button{font-size:12px;white-space:nowrap}.split,.paper-layout,.preferences-layout{grid-template-columns:1fr}.fields-two{gap:12px}.field span{font-size:13px}.archive-layout{grid-template-columns:1fr}.student-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.student-card{display:block;padding:10px 7px;text-align:center}.student-card .avatar{width:35px;height:35px;margin:0 auto 8px;font-size:20px}.student-card b{font-size:12px}.student-card small{font-size:10px}.sample-card .image-button{height:320px}.page-heading{margin-bottom:24px}.page-heading p{font-size:15px}.paper-layout .large-art{height:110px}footer{padding:18px;font-size:11px;flex-direction:column;gap:4px}.dialog-head{padding:12px}.dialog-head b{font-size:13px}.dialog-body{padding:8px}.report-outline{padding:24px}.preview-large img{max-height:500px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

[hidden]{display:none!important}.account-summary{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:20px 0}.metric{padding:15px 23px;background:var(--paper);border:1px solid var(--line);border-radius:14px}.metric strong{display:block;font:30px var(--title)}.records{display:grid;gap:14px}.record-row{border:1px solid var(--line);border-radius:16px;background:var(--paper);padding:19px;display:flex;justify-content:space-between;gap:18px;align-items:center}.record-row h3{font-size:22px;overflow-wrap:anywhere}.record-row p{font-size:13px;margin:6px 0}.record-row .actions{flex-shrink:0}.error-box{padding:20px;border:1px solid #c28d74;border-radius:15px;background:var(--peach);margin:18px 0}#trial-host{max-width:1250px;margin:0 auto;padding:0 30px 25px}.trial-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 19px;background:var(--yellow);border:1px solid #c8c9b9;border-radius:15px 15px 0 0;font-size:14px}.trial-toolbar a{text-decoration:underline;text-underline-offset:4px}#trial-frame{display:block;width:100%;height:900px;min-height:750px;border:1px solid #c8c9b9;border-top:0;border-radius:0 0 15px 15px;background:var(--bg)}.record-filter{max-width:330px;margin:20px 0}.loading-line{padding:30px;font-size:16px}.account-help{font-size:14px;max-width:740px}.status-pill{display:inline-flex;gap:7px;align-items:center;border:1px solid #a2b595;border-radius:8px;background:var(--sage);padding:5px 12px;font-size:13px}.status-pill:before{content:'';width:7px;height:7px;background:#5c714a;border-radius:50%}.record-empty{padding:30px}.sample-caption{overflow-wrap:anywhere}
@media(max-width:600px){.topbar>.actions{gap:6px}.topbar>.actions .button{font-size:12px;padding:8px 9px}.crumb>span{display:none}.crumb{gap:7px}.card.feature h3{font-size:21px}.record-row{display:block}.record-row .actions{margin-top:14px;gap:8px}.record-row .button{font-size:13px}#trial-host{padding:0 10px 20px}#trial-frame{min-height:900px}.trial-toolbar{padding:12px;font-size:12px}.metric{padding:13px 16px}.topbar{padding:0 12px}}

/* Keep the workbench visibly inside the website, with purchase access on every tab. */
.preview-note{position:sticky;top:0;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 16px;text-align:left}
.preview-note .site-home,.preview-note .site-buy{white-space:nowrap;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.sidebar{top:44px}.button.purchase{background:var(--peach)}.purchase-hint{font-size:13px;margin-top:12px;line-height:1.6}
@media(max-width:600px){.preview-note{font-size:12px}.preview-note>span{display:none}.sidebar{top:44px}.purchase-hint{max-width:270px}}