:root{--paper:#f6f3eb;--surface:#fffefa;--ink:#263c36;--muted:#778179;--line:#dddcd1;--accent:#a44d3a;--accent-soft:#f5e7df;--warn:#fff5df;--serif:"Noto Serif CJK SC","Source Han Serif SC","Songti SC","SimSun",serif;--sans:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;--radius:7px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.7 var(--sans)}button,input{font:inherit}button,a,label{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:inherit}img{max-width:100%}button:focus-visible,a:focus-visible,label:focus-within,summary:focus-visible{outline:3px solid #b8873f;outline-offset:4px}[hidden]{display:none!important}.visually-hidden{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:10;top:-80px;left:20px;padding:10px 20px;background:var(--ink);color:white}.skip-link:focus{top:12px}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.header-inner{max-width:1224px;padding:20px 32px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:16px}.header-inner>span{font-size:13px;color:var(--muted)}.wordmark{font:700 29px/1.3 var(--serif);letter-spacing:2px;text-decoration:none}.page{max-width:1224px;margin:auto;padding:0 32px}.intro{padding:48px 6px 32px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--serif)}h1{font-size:38px;line-height:1.5;letter-spacing:1px}h2{font-size:20px;line-height:1.4}h3{font-size:18px}.intro>p{margin-top:8px;font-size:18px;color:#65706a}.task-list{display:grid;gap:10px;margin-bottom:28px}.task-option{width:100%;display:grid;grid-template-columns:56px 164px 1fr 20px;align-items:center;text-align:left;gap:18px;padding:16px 24px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius);transition:background .15s,border-color 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li+li{margin-top:4px}.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}.preview-card{margin:0;border:1px solid var(--line);border-radius:5px;background:var(--surface);padding:12px;min-width:0}.preview-card figcaption{font:700 17px var(--serif);margin-bottom:9px}.checker{background-color:#f0f0e9;background-image:linear-gradient(45deg,#e3e4db 25%,transparent 25%),linear-gradient(-45deg,#e3e4db 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e3e4db 75%),linear-gradient(-45deg,transparent 75%,#e3e4db 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.preview-card img{display:block;width:100%;height:180px;object-fit:contain;border-radius:3px}.preview-card a{display:block}.result-workspace{display:grid;grid-template-columns:minmax(0,1.35fr) 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.intro h1 span{display:inline-block;white-space:nowrap}.preview-grid[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-grid[data-count="1"]{grid-template-columns:minmax(0,1fr)}.reference-sources,.reference-description{margin-top:10px;font-size:12px;color:var(--accent)}.reference-sources summary,.reference-description summary{cursor:pointer}.reference-description p{white-space:pre-wrap;line-height:1.9}.reference-sources .source-link{display:block;padding:5px 0;text-underline-offset:3px}
#node-tree{max-height:420px;overflow:auto;scrollbar-gutter:stable}.tree-count{margin-left:auto;flex-shrink:0;font-size:11px;color:var(--muted)}.detail-subheading{margin:0 0 7px;font:600 13px/1.7 var(--sans)}.motif-composition,.motif-features{margin:0 0 16px}.motif-composition ul{list-style:none;margin:0;padding:0}.motif-composition li{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px;padding:5px 0;border-bottom:1px solid var(--line)}.composition-link{background:none;border:0;padding:0;color:var(--accent);font-size:13px;text-align:left;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}.motif-composition .subtle{min-width:0;flex-shrink:1;overflow-wrap:anywhere}.motif-features ul{margin:0;padding-left:18px;font-size:13px;line-height:1.8}.motif-features li+li{margin-top:4px}
@media(min-width:1400px){.page,.header-inner{max-width:1244px}.intro{padding-top:48px}}
@media(max-width:850px){.page{padding:0 22px}.header-inner{padding:18px 22px}h1{font-size:31px}.task-option{grid-template-columns:42px 140px 1fr 15px;padding:16px;gap:12px}.task-description{padding-left:16px;font-size:12px}.upload-layout{grid-template-columns:1fr 1fr;gap:14px}.upload-panel,.analysis-panel{padding:18px}.drop-zone{padding:25px 12px}.drop-title{font-size:22px}.result-workspace{grid-template-columns:minmax(0,1.2fr) minmax(260px,1fr)}.detail-body{display:block}.node-image{width:100%;height:130px;margin-bottom:10px}.preview-card img{height:140px}.job-actions{gap:12px}.job-actions #elapsed{padding-left:12px}}
@media(max-width:620px){body{font-size:14px}.page{padding:0 16px}.header-inner{padding:17px 18px}.wordmark{font-size:24px}.header-inner>span{font-size:12px}.intro{padding:32px 0 24px}.intro h1{font-size:28px;line-height:1.65;letter-spacing:0;max-width:330px}.intro>p{font-size:14px;margin-top:10px}.task-list{gap:9px;margin-bottom:20px}.task-option{grid-template-columns:36px 1fr 14px;gap:12px;padding:13px 16px}.task-number{font-size:26px}.task-name{font-size:18px}.task-description{grid-column:2;grid-row:2;border:0;padding:0;font-size:12px;line-height:1.7;margin-top:-7px}.task-arrow{grid-column:3;grid-row:1/3}.upload-layout{grid-template-columns:1fr}.upload-panel,.analysis-panel{padding:19px}.upload-panel h2,.analysis-panel h2{font-size:19px;margin-bottom:16px}.drop-zone{min-height:330px;padding:26px 14px}.analysis-row{padding:13px 0}.site-footer{flex-direction:column;gap:4px;margin-top:24px;padding:18px 0}.job-heading{align-items:flex-start;padding-top:27px;gap:14px;flex-direction:column}.job-heading h1{font-size:29px}.job-actions{width:100%;gap:12px}.job-actions .button{margin-right:auto;padding:8px 16px}.job-actions #elapsed{padding-left:12px}.progress-panel{padding:16px}.preview-grid{gap:8px}.preview-card{padding:8px}.preview-card figcaption{font-size:15px}.preview-card img{height:100px}.result-workspace{grid-template-columns:1fr;gap:14px}.canvas-panel,.inspector-panel{padding:15px}.section-heading{flex-wrap:wrap;gap:6px;margin-bottom:12px}.section-heading h2{font-size:18px}.original-stage{min-height:200px}.original-wrap img{max-height:540px}.detail-body{display:flex}.node-image{width:105px;height:105px;margin:0}.detail-text{font-size:13px}.reference-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.reference-item img{height:115px}.references-section{padding:15px}.result-footer{align-items:flex-start;flex-direction:column;gap:12px}.result-footer .button{width:100%}.notice,.warnings ul{font-size:12px}.file-limit{font-size:11px!important}}
.color-item{max-width:132px;text-align:center;overflow-wrap:anywhere}.color-item>span:nth-child(2){font-size:12px;color:var(--ink)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}.spinner{animation-duration:2s}}