:root{color-scheme:light;--ink:#20283b;--muted:#526078;--accent:#3b47b5;--accent-soft:#eef0ff;--line:#dce1eb;--paper:#fff;--bg:#f5f7fb;--gold:#f4bf4f;--radius:14px;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.65}
*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit}button,select{color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.35}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #bf7e00;outline-offset:3px}button{transition:background .15s,border-color .15s}button:hover:not(:disabled){filter:brightness(.98)}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3}button .en,button .zh{display:block}body[data-language="en"] .zh,body[data-language="zh"] .en{display:none!important}.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:absolute;left:1rem;top:-6rem;background:#fff;padding:1rem;z-index:10}.skip-link:focus{top:1rem}.masthead{max-width:1480px;margin:auto;padding:24px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:18px;align-items:center;min-width:0}.brand-symbol{font-family:Georgia,serif;font-style:italic;font-size:2.8rem;line-height:1;color:var(--accent);white-space:nowrap}.brand h1{font-size:1.55rem;letter-spacing:.015em}.brand h1 .en{font-weight:400;font-family:"Times New Roman",Times,serif;font-size:1.25rem;display:block;margin-top:4px}.brand p{font-size:.875rem;color:var(--muted);margin-top:8px}.author{padding-left:12px}.header-controls{display:flex;align-items:center;gap:10px;font-size:.875rem;white-space:nowrap}select{border:1px solid #c1c9d9;border-radius:8px;padding:9px 12px;background:#fff;max-width:100%;min-height:44px}main{max-width:1480px;margin:auto;padding:20px 36px 0}.intro-line{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.intro-line p .en{font-family:"Times New Roman",Times,serif;margin-left:12px;color:var(--muted);font-size:1rem}.quiet-button{background:transparent;border:1px solid var(--line);padding:7px 13px;border-radius:8px;font-size:.875rem;white-space:nowrap;min-height:44px}.quiet-button .en{font-size:.8rem;color:var(--muted)}.studio-grid{display:grid;grid-template-columns:minmax(350px, .88fr) minmax(0,1.2fr);gap:26px;align-items:start}.director-panel{position:sticky;top:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.mode-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:#f8f9fe;border-bottom:1px solid var(--line)}.mode-tabs button{border:0;border-right:1px solid var(--line);background:transparent;text-align:left;padding:15px 18px;position:relative;min-width:0}.mode-tabs button:last-child{border-right:0}.mode-tabs button[aria-selected="true"]{background:#fff;box-shadow:inset 0 4px 0 var(--accent)}.mode-tabs b{display:block;color:var(--accent);font-size:.85rem;margin-bottom:6px}.mode-tabs .en{font-size:1rem;font-weight:700}.mode-tabs .zh{font-size:.875rem;color:var(--muted)}#control-panel{padding:22px}.concept-definition .en{font-family:"Times New Roman",Times,serif;font-size:1.1rem;line-height:1.5}.concept-definition .zh{font-size:.95rem;color:var(--muted);margin-top:7px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:24px 0 10px}.section-heading h3{font-size:1rem}.section-heading h3 .en{font-weight:400;color:var(--muted);display:block;font-size:.875rem;margin-top:4px}.preset-controls{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0}.preset-controls button{background:white;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:.875rem}.preset-controls button.active{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.preset-controls .en{font-size:.8rem}.hint{font-size:.875rem;color:var(--muted);line-height:1.55}.hint .en{display:block;margin-top:4px}.scene-list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}.scene-card{border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:11px;padding:10px 11px;background:#fff;min-width:0}.scene-card.drop-target{border:2px solid var(--accent);background:var(--accent-soft);padding:9px 10px}.scene-card.drag-source{opacity:.45}.drag-handle{border:0;background:#f2f4fa;flex:0 0 32px;min-height:44px;border-radius:6px;color:var(--muted);cursor:grab;touch-action:none;font-size:1.3rem;padding:0}.dragging .drag-handle{cursor:grabbing}.scene-caption{flex:1;min-width:0}.scene-caption .en{display:block;font-family:"Times New Roman",Times,serif;font-size:1.1rem;line-height:1.25}.scene-caption .zh{display:block;font-size:.875rem;margin-top:4px;color:var(--muted)}.scene-number{flex:0 0 26px;font-family:"Times New Roman",Times,serif;font-size:1.3rem;color:var(--accent)}.move-buttons{display:flex;gap:2px}.move-buttons button{background:transparent;border:1px solid transparent;border-radius:6px;width:35px;min-height:44px;padding:0;font-size:1.1rem}.move-buttons button:hover:not(:disabled){background:var(--accent-soft)}.feedback{margin-top:22px;padding:15px 0 0;border-top:1px solid var(--line)}.feedback h3{font-size:1rem;margin-bottom:8px;color:var(--accent)}.feedback .en{font-family:"Times New Roman",Times,serif;font-size:1.05rem;line-height:1.5}.feedback .zh{font-size:.9rem;margin-top:7px;color:var(--muted)}.scene-select{width:100%;margin:9px 0 18px}.select-label{font-weight:700;font-size:.9rem;display:block}.select-label .en{font-weight:400;color:var(--muted);margin-left:8px}.style-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.style-option{position:relative;border:1px solid var(--line);border-radius:10px;padding:14px;cursor:pointer;display:flex;gap:9px;align-items:flex-start;min-height:90px}.style-option.selected{border-color:var(--accent);background:var(--accent-soft)}.style-option input{margin:5px 0 0;accent-color:var(--accent);width:16px;height:16px;flex-shrink:0}.style-option strong{font-size:1rem;display:block}.style-option .zh{font-size:.875rem;color:var(--muted);margin-top:4px;display:block}.style-hint{display:block;font-size:.85rem;color:var(--muted);font-weight:400;margin-top:8px}.detail-options{display:grid;gap:12px;margin-top:8px}.detail-toggle{display:flex;gap:12px;border:1px solid var(--line);border-radius:10px;padding:15px;cursor:pointer}.detail-toggle.selected{border-color:#b58929;background:#fff9e9}.detail-toggle input{margin-top:5px;width:18px;height:18px;accent-color:#93650f;flex-shrink:0}.detail-toggle strong{display:block;font-size:1rem}.detail-toggle .zh{display:block;font-size:.9rem;color:var(--muted);margin-top:5px}.detail-toggle .en.desc{display:block;font-family:"Times New Roman",Times,serif;font-weight:400;font-size:1rem;margin-top:8px}.preview-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;min-width:0;min-height:620px}.preview-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.eyebrow{font-size:.8rem;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:9px}.eyebrow .zh{margin-left:8px;letter-spacing:0}.preview-header h2{font-size:1.2rem}.preview-header h2 .en{font-family:"Times New Roman",Times,serif;display:block;font-weight:400;font-size:1.1rem;margin-top:5px;color:var(--muted)}.live-label{background:var(--accent-soft);color:var(--accent);padding:4px 9px;border-radius:6px;font-size:.8rem;white-space:nowrap}.live-label .en{margin-left:5px}#current-choices{font-size:.85rem;color:var(--muted);margin:17px 0;padding-bottom:17px;border-bottom:1px solid var(--line)}#current-choices p+p{margin-top:4px}.preview-scene{padding:17px 0 20px;border-bottom:1px solid #e7eaf1}.preview-scene:last-child{border-bottom:0}.preview-scene-heading{display:flex;align-items:baseline;gap:9px;margin-bottom:13px}.preview-scene-heading .idx{font-family:"Times New Roman",Times,serif;font-size:1.4rem;color:var(--accent);min-width:23px}.preview-scene-heading h3{font-size:1rem;flex:1}.preview-scene-heading h3 .en{font-family:"Times New Roman",Times,serif;font-size:1.13rem;display:block}.preview-scene-heading h3 .zh{font-size:.875rem;color:var(--muted);display:block;font-weight:400;margin-top:4px}.source-label{font-size:.8rem;color:var(--muted);white-space:nowrap}.sentence-pair+.sentence-pair{margin-top:12px}.sentence-pair .en{font-family:"Times New Roman",Times,serif;font-size:1.25rem;line-height:1.65}.sentence-pair .zh{font-size:1rem;line-height:1.8;color:#4d596e;margin-top:5px}.time-cue{font-size:.875rem;color:var(--accent);margin:0 0 12px;border-left:3px solid var(--accent);padding-left:10px}.time-cue .en{display:block;font-style:italic;font-family:"Times New Roman",Times,serif}.time-cue .zh{display:block;margin-top:3px}.preview-caption{font-size:.875rem;color:var(--muted);margin-bottom:14px}.variant-heading{font-size:.9rem;color:var(--accent);font-weight:700;margin:12px 0}.comparison{margin-top:26px;padding-top:20px;border-top:1px dashed #c5cbd9}.comparison summary{cursor:pointer;font-weight:700;font-size:.95rem;min-height:44px}.comparison summary .en{font-family:"Times New Roman",Times,serif;font-weight:400;margin-left:8px}.comparison .sentence-pair{margin-top:13px}.added-detail{background:#fff7df;border-left:3px solid #c39124;padding:13px 15px;margin-top:18px;border-radius:0 6px 6px 0}.added-detail .detail-tag{font-size:.85rem;color:#72510f;font-weight:700;margin-bottom:9px}.added-detail details{margin-top:12px;padding-top:9px;border-top:1px solid #ead9ae}.added-detail summary{cursor:pointer;font-size:.875rem;color:#72510f;min-height:38px}.added-detail .effect-copy{font-size:.95rem;line-height:1.6;color:#60543d;margin-top:10px}.empty-detail{margin-top:20px;border-top:1px dashed var(--line);padding-top:14px;font-size:.9rem;color:var(--muted)}.connections{margin:35px 0 25px;padding:22px 0}.connections h2{font-size:1.25rem}.connections h2 .en{font-family:"Times New Roman",Times,serif;font-size:1.15rem;display:block;color:var(--muted);font-weight:400;margin-top:6px}.connection-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:25px;gap:28px}.connection-grid article{border-top:3px solid var(--accent);padding-top:13px}.connection-grid b{font-size:1.15rem;margin-right:8px}.connection-grid p{margin-top:8px;font-size:1rem}.connection-grid p.en{font-family:"Times New Roman",Times,serif;font-size:1.1rem}.connection-grid p.zh{color:var(--muted)}.connection-note{margin-top:24px;font-size:.95rem;color:var(--muted)}.connection-note span{display:block}footer{max-width:1480px;margin:0 auto;padding:20px 36px 32px;border-top:1px solid var(--line);color:var(--muted);font-size:.875rem}footer p+p{margin-top:8px}.dragging{user-select:none}
@media(min-width:1550px){:root{font-size:17px}}@media(max-width:1000px){.studio-grid{grid-template-columns:minmax(320px,.9fr) minmax(0,1fr);gap:18px}.masthead,main,footer{padding-left:22px;padding-right:22px}.preview-panel{padding:23px}.mode-tabs button{padding:13px 12px}#control-panel{padding:18px}.author{display:none}.preview-scene-heading{flex-wrap:wrap}.source-label{width:100%;padding-left:32px}}
@media(max-width:780px){.masthead{padding:18px;align-items:flex-start;flex-wrap:wrap;gap:14px}.brand h1{font-size:1.3rem}.brand h1 .en{font-size:1.13rem}.brand-symbol{font-size:2.3rem}.header-controls{width:100%;justify-content:flex-end}.studio-grid{grid-template-columns:1fr}.director-panel{position:static}.preview-panel{padding:23px 20px;min-height:0}.intro-line p .en{display:block;margin:3px 0 0}.intro-line{align-items:flex-start}.connection-grid{grid-template-columns:1fr;gap:20px}.connections{margin-top:16px}.mode-tabs button{text-align:center;padding:12px 8px}.mode-tabs b{display:inline-block;margin:0 0 4px}.move-buttons button{width:44px;min-height:44px}.drag-handle{flex-basis:38px;min-height:48px}.scene-card{gap:8px}.preview-scene-heading{flex-wrap:nowrap}.source-label{width:auto;padding-left:0}.sentence-pair .en{font-size:1.2rem}}
@media(max-width:400px){.masthead,main,footer{padding-left:14px;padding-right:14px}.brand{gap:10px}.brand-symbol{display:none}#control-panel{padding:16px}.mode-tabs .en{font-size:.95rem}.style-options{grid-template-columns:1fr}.scene-card{flex-wrap:wrap}.scene-number{flex-basis:20px}.move-buttons{margin-left:auto}.preview-header{flex-wrap:wrap}.source-label{display:none}.header-controls{justify-content:space-between}.intro-line{gap:8px}.quiet-button{padding:6px 8px}.sentence-pair .zh{font-size:1rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}