.hd{--bg: #ffffff;--bg-subtle: #fafafa;--bg-faint: #f3fafa;--fg: #242424;--fg-2: #6c6c72;--fg-3: #969696;--line: #e8e8e8;--line-soft: #f1f1f1;--brand: #377e7d;--brand-soft: #e8f3f4;--accent: #e8654c;--amber: #8a5a10;--amber-soft: #fff6dc;--c-circle-bg: #fff6dc;--c-circle: #8a5a10;--c-lit-bg: #e8f0fb;--c-lit: #2f5fa8;--c-math-bg: #f1e9fb;--c-math: #6b3fa0;--c-sci-bg: #e8f5ea;--c-sci: #1f5a2b;--c-art-bg: #fdeae6;--c-art: #b3412a;--c-out-bg: #e8f3f4;--c-out: #377e7d;--font-body: "Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-display: "Source Serif 4", Georgia, "Times New Roman", serif;--radius: 6px;--shadow: 0 1px 2px rgba(0, 0, 0, .06);color-scheme:light}.hd .showcase{padding-inline:16px;padding-block:8px 64px;display:flex;flex-direction:column;align-items:center;gap:20px}.hd .stage-wrap{width:100%;max-width:960px;position:relative}.hd .stage-frame{width:100%;aspect-ratio:960 / 600;position:relative;border:1px solid var(--line);border-radius:12px;background:var(--bg-subtle);box-shadow:0 24px 60px -24px #24242440,0 2px 6px #0000000d;overflow:hidden}.hd .stage{position:absolute;left:0;top:0;width:960px;height:600px;transform-origin:0 0;font-size:12px;line-height:16px}.hd .topbar{position:absolute;left:0;top:0;right:0;height:48px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;gap:16px}.hd .logo{font-weight:700;font-size:17px;color:var(--accent);letter-spacing:-.2px}.hd .search{margin-left:auto;width:200px;height:28px;border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;padding:0 10px;color:var(--fg-3);gap:6px}.hd .avatar{width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:10px;display:grid;place-items:center}.hd .sidebar{position:absolute;left:0;top:48px;bottom:0;width:52px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding-top:14px;gap:16px}.hd .sidebar i{width:18px;height:18px;border-radius:4px;background:var(--line);display:block}.hd .sidebar i.on{background:var(--brand)}.hd .main{position:absolute;inset:48px 0 0 52px}.hd .scene{position:absolute;inset:48px 0 0 52px;opacity:0;visibility:hidden;transition:opacity .5s ease,visibility 0s linear .5s}.hd .scene.on{opacity:1;visibility:visible;transition:opacity .5s ease}.hd .chip{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--fg-2);font-size:11px;font-weight:500;white-space:nowrap}.hd .chip.sel{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.hd .badge{display:inline-flex;align-items:center;height:18px;padding:0 7px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:10px;font-weight:600;letter-spacing:.2px}.hd .pbtn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:30px;padding:0 12px;border-radius:4px;background:var(--brand);color:#fff;font-weight:600;font-size:12px;white-space:nowrap;transition:transform .15s}.hd .sbtn{display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 12px;border-radius:4px;background:#fff;border:1px solid var(--line);color:var(--fg);font-weight:600;font-size:12px;white-space:nowrap}.hd .pressed{transform:scale(.96)}.hd .field{height:34px;border:1px solid var(--line);border-radius:6px;background:#fff;display:flex;align-items:center;padding:0 10px;color:var(--fg);position:relative;overflow:hidden}.hd .field .ph{color:var(--fg-3)}.hd .field.focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.hd .lbl{font-weight:600;font-size:12px;color:var(--fg);margin-bottom:4px}.hd .help{font-size:11px;color:var(--fg-2)}.hd .caret{display:inline-block;width:1px;height:14px;background:var(--fg);margin-left:1px;vertical-align:-2px;animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}.hd .cursor{position:absolute;left:600px;top:400px;width:18px;height:22px;z-index:50;pointer-events:none;transition:left .7s cubic-bezier(.3,.7,.2,1),top .7s cubic-bezier(.3,.7,.2,1),transform .12s;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}.hd .cursor.press{transform:scale(.85)}.hd .cursor svg{display:block}.hd .scrim{position:absolute;inset:0;background:#24242447}.hd .dialog{position:absolute;left:50%;top:50%;width:560px;transform:translate(-50%,-50%);background:#fff;border-radius:10px;box-shadow:0 20px 50px -10px #0000004d;overflow:hidden}.hd .dlg-h{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-weight:600;font-size:15px}.hd .steps{display:flex;gap:10px;align-items:center;padding:0 18px 12px;color:var(--fg-3);font-size:11px;font-weight:600}.hd .steps .cur{color:var(--brand)}.hd .steps .dot{width:18px;height:18px;border-radius:50%;border:1.5px solid currentColor;display:inline-grid;place-items:center;margin-right:5px;font-size:10px}.hd .steps .cur .dot{background:var(--brand);color:#fff;border-color:var(--brand)}.hd .steps .ln{flex:0 0 18px;height:2px;background:var(--line)}.hd .dlg-b{border-top:1px solid var(--line);padding:16px 18px;display:grid;gap:14px}.hd .choices{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.hd .choice{border:1px solid var(--line);border-radius:6px;padding:8px 10px;transition:all .2s}.hd .choice b{display:block;font-size:12px}.hd .choice span{font-size:10px;color:var(--fg-2)}.hd .choice.sel{border-color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand)}.hd .row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hd .pills{display:flex;gap:6px;flex-wrap:wrap}.hd .dlg-f{border-top:1px solid var(--line);padding:12px 18px;display:flex;justify-content:space-between;align-items:center}.hd .ai-spin{width:12px;height:12px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}@keyframes spin{to{transform:rotate(360deg)}}.hd .pbtn.busy .ai-spin{display:block}.hd .ph-head{position:absolute;left:20px;top:14px;right:20px}.hd .crumb{font-size:11px;color:var(--fg-2)}.hd .crumb b{color:var(--brand);font-weight:500}.hd .title-row{display:flex;align-items:center;gap:10px;margin-top:2px}.hd .title-row h2{margin:0;font-size:20px;line-height:26px;font-weight:600}.hd .title-row .dates{color:var(--fg-2);font-size:12px}.hd .tabs{display:flex;gap:18px;margin-top:10px;border-bottom:1px solid var(--line);font-size:12px;font-weight:500;color:var(--fg-2);align-items:flex-end}.hd .tabs span{padding-bottom:8px;border-bottom:2px solid transparent}.hd .tabs .on{color:var(--fg);font-weight:600;border-bottom-color:var(--accent)}.hd .tabs .seg{margin-left:auto;display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-bottom:6px}.hd .tabs .seg span{padding:4px 10px;border:0;color:var(--fg-2)}.hd .tabs .seg .on{background:var(--brand);color:#fff}.hd .prog{position:absolute;left:20px;right:20px;top:112px;height:40px;border:1px solid var(--line);background:#fff;border-radius:8px;display:flex;align-items:center;padding:0 14px;gap:14px}.hd .prog .track{width:170px;height:5px;border-radius:3px;background:var(--line-soft);overflow:hidden}.hd .prog .fill{height:100%;width:0;background:var(--brand);border-radius:3px;transition:width .9s ease}.hd .prog .t{font-weight:600;font-size:12px;white-space:nowrap}.hd .prog .hint{color:var(--fg-2);font-size:11px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hd .prog .fillbtn{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border:1px solid var(--brand);border-radius:4px;color:var(--brand);font-weight:600;font-size:11px}.hd .grid{position:absolute;left:20px;top:166px;width:660px;bottom:16px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;display:grid;grid-template-columns:96px repeat(5,1fr);grid-template-rows:34px repeat(5,1fr)}.hd .grid>div{border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);position:relative;padding:5px}.hd .grid .dh{background:var(--bg-subtle);display:flex;align-items:center;gap:6px;font-weight:600;font-size:11px;color:var(--fg-2)}.hd .grid .dh b{font-size:13px;color:var(--fg)}.hd .grid .dh.today b{background:var(--brand);color:#fff;border-radius:50%;width:20px;height:20px;display:inline-grid;place-items:center;font-size:11px}.hd .grid .rl{background:var(--bg-subtle);font-size:11px;font-weight:600;color:var(--fg)}.hd .grid .rl small{display:block;font-weight:400;color:var(--fg-3);font-size:10px}.hd .grid .slot{display:flex;flex-direction:column;gap:4px}.hd .blk{border-radius:5px;padding:4px 7px;font-size:10.5px;line-height:13px;font-weight:600;color:var(--fg);border:1px solid transparent;position:relative;transform:scale(.6);opacity:0;transition:transform .35s cubic-bezier(.2,1.2,.3,1),opacity .3s,box-shadow .2s}.hd .blk.in{transform:scale(1);opacity:1}.hd .blk small{display:block;font-size:9px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;margin-bottom:1px}.hd .blk.circle{background:var(--c-circle-bg);border-color:#efdca5}.hd .blk.circle small{color:var(--c-circle)}.hd .blk.lit{background:var(--c-lit-bg);border-color:#c9daf5}.hd .blk.lit small{color:var(--c-lit)}.hd .blk.math{background:var(--c-math-bg);border-color:#dccbf3}.hd .blk.math small{color:var(--c-math)}.hd .blk.sci{background:var(--c-sci-bg);border-color:#c3e3c8}.hd .blk.sci small{color:var(--c-sci)}.hd .blk.art{background:var(--c-art-bg);border-color:#f7cfc5}.hd .blk.art small{color:var(--c-art)}.hd .blk.out{background:var(--c-out-bg);border-color:#bddcdc}.hd .blk.out small{color:var(--c-out)}.hd .blk.lift{box-shadow:0 8px 18px -6px #00000059;z-index:5}.hd .blk.gone{opacity:0;transform:scale(.6)}.hd .slot.target{outline:2px dashed var(--brand);outline-offset:-3px;background:var(--brand-soft)}.hd .addbtn{position:absolute;inset:5px;border:1.5px dashed var(--line);border-radius:5px;display:grid;place-items:center;color:var(--fg-3);font-size:16px;opacity:0;transition:opacity .25s}.hd .addbtn.show{opacity:1;border-color:var(--brand);color:var(--brand)}.hd .lib{position:absolute;inset:166px 20px 16px 696px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px}.hd .lib h4{margin:0;font-size:13px}.hd .lib .help{font-size:10.5px;line-height:14px}.hd .lib .sec{font-size:9.5px;letter-spacing:.5px;font-weight:700;color:var(--fg-2);margin-top:4px}.hd .ghost{position:absolute;z-index:40;width:150px;pointer-events:none;opacity:0;transition:left .7s cubic-bezier(.3,.7,.2,1),top .7s cubic-bezier(.3,.7,.2,1),opacity .2s}.hd .ghost .blk{transform:scale(1);opacity:1;box-shadow:0 10px 24px -6px #00000059;transform:rotate(-2deg)}.hd .ghost.show{opacity:1}.hd .toast{position:absolute;left:50%;bottom:22px;transform:translate(-50%,10px);background:var(--fg);color:#fff;padding:7px 12px;border-radius:6px;font-size:11.5px;font-weight:500;opacity:0;transition:all .3s;display:flex;align-items:center;gap:8px;white-space:nowrap}.hd .toast.show{opacity:1;transform:translate(-50%)}.hd .toast .ck{width:14px;height:14px;border-radius:50%;background:#2f7a3e;display:grid;place-items:center;font-size:9px}.hd .st-head{position:absolute;left:20px;top:14px;right:20px;display:flex;align-items:flex-start;justify-content:space-between}.hd .st-head .back{font-size:11px;color:var(--brand)}.hd .st-head h2{margin:2px 0 0;font-size:20px;line-height:26px;font-weight:600;display:flex;align-items:center;gap:10px}.hd .st-actions{display:flex;gap:8px;margin-top:8px}.hd .brief{position:absolute;left:20px;top:80px;width:280px;bottom:16px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;display:flex;flex-direction:column;gap:12px}.hd .seg2{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;font-size:11px;font-weight:600}.hd .seg2 span{flex:1;text-align:center;padding:5px;color:var(--fg-2)}.hd .seg2 .on{background:var(--brand-soft);color:var(--brand)}.hd .ta{min-height:112px;border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:11.5px;line-height:16px;color:var(--fg);background:#fff}.hd .ta.focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.hd .kv{display:flex;justify-content:space-between;font-size:11px}.hd .kv span:first-child{color:var(--fg-2)}.hd 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.page.key{width:132px;padding:10px;opacity:.9}.hd .page .pn{position:absolute;left:0;right:0;bottom:-20px;text-align:center;font-size:10px;color:var(--fg-2)}.hd .ws-top{display:flex;justify-content:space-between;font-size:7px;color:var(--fg-2)}.hd .ws-title{font-size:15px;font-weight:700;margin-top:12px;line-height:18px}.hd .ws-sub{font-size:7.5px;color:var(--fg-2);margin-top:3px}.hd .ws-rows{display:grid;gap:14px;margin-top:20px}.hd .ws-row{display:flex;align-items:center;gap:7px;height:40px;padding:0 4px;border-radius:3px}.hd .ws-row:nth-child(2n){background:var(--line-soft)}.hd .apple{width:18px;height:18px;border-radius:50%;background:#e24d3b;position:relative;flex:0 0 auto}.hd .apple:before{content:"";position:absolute;left:8px;top:-4px;width:2px;height:6px;background:var(--amber);border-radius:1px}.hd .apple:after{content:"";position:absolute;left:9px;top:-4px;width:8px;height:4px;background:#4fa04f;border-radius:50%/60% 60% 40% 40%;transform:rotate(-25deg)}.hd 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0}to{background-position:-200% 0}}.hd .gen-status{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px 6px 8px;font-size:11px;font-weight:600;display:flex;align-items:center;gap:8px;opacity:0;transition:opacity .3s;box-shadow:var(--shadow)}.hd .gen-status.on{opacity:1}.hd .gen-status .ai-spin{display:block;border-color:var(--brand-soft);border-top-color:var(--brand)}.hd .quick{position:absolute;left:14px;right:14px;bottom:12px;display:flex;gap:6px;align-items:center;font-size:10px;color:var(--fg-2)}.hd .deliver{background:radial-gradient(ellipse at 50% 10%,#eef7f7 0%,var(--bg-subtle) 60%)}.hd .dl-head{position:absolute;left:0;right:0;top:34px;text-align:center}.hd .dl-head h3{margin:0;font-family:var(--font-display);font-weight:600;font-size:26px;line-height:32px;letter-spacing:-.3px}.hd .dl-head p{margin:6px 0 0;color:var(--fg-2);font-size:13px}.hd .dl-head 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