.site-shell{--unit:calc(min(100vw, 1800px) / 1586);width:100%;max-width:1800px;margin-inline:auto}.site-header{height:calc(58 * var(--unit));align-items:center;gap:calc(32 * var(--unit));padding-inline:calc(40 * var(--unit));display:flex}.wordmark{width:calc(217 * var(--unit));font-family:var(--font-heading), sans-serif;font-size:calc(30 * var(--unit));letter-spacing:-.025em;flex:none;font-weight:700;line-height:1;text-decoration:none}.wordmark-type{transform-origin:0;width:max-content;word-spacing:calc(4 * var(--unit));display:block;transform:scaleX(1.12)}.site-header nav{gap:calc(32 * var(--unit));font-size:calc(14 * var(--unit));font-weight:600;display:flex}.site-header nav a{padding-block:12px;text-decoration:none}.site-header nav a:hover{text-decoration:underline}.brand-note{font-size:calc(12 * var(--unit));text-transform:uppercase;margin-left:0;line-height:1.25}.brand-dot{width:calc(18 * var(--unit));height:calc(18 * var(--unit));margin-left:calc(-14 * 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var(--ink);color:var(--vermilion);font-family:var(--font-heading), sans-serif;font-size:calc(34 * var(--unit));white-space:nowrap;font-weight:700;line-height:1}.sheet-heading h1{margin:0 0 0 calc(32 * var(--unit));font-family:var(--font-heading), sans-serif;font-size:calc(34 * var(--unit));letter-spacing:.005em;font-weight:700;line-height:1.1}.sheet-note{font-size:calc(12 * var(--unit));text-transform:uppercase;margin-left:auto}.registration-mark{width:calc(17 * var(--unit));height:calc(17 * var(--unit));border:1px solid var(--blue);pointer-events:none;border-radius:50%;position:absolute;top:50%;transform:translateY(-50%)}.registration-start{left:calc(20 * var(--unit))}.registration-end{right:calc(22 * var(--unit))}.registration-mark:before,.registration-mark:after{width:calc(34 * var(--unit));background:var(--blue);content:"";height:1px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.registration-mark:after{transform:translate(-50%,-50%)rotate(90deg)}@media (max-width:1100px){.sheet-heading{height:76px;padding-inline:40px}.sheet-index{padding-right:20px;font-size:28px}.sheet-heading h1{margin-left:20px;font-size:30px}.sheet-note{display:none}}@media (max-width:900px){.print-sheet{border-width:1px;margin-inline:12px;scroll-margin-top:12px}.sheet-heading{grid-template-columns:auto 1fr;gap:16px;height:auto;min-height:100px;padding:20px 16px;display:grid}.sheet-index{padding-right:16px;font-size:26px}.sheet-heading h1{text-wrap:balance;max-width:15ch;margin:0;font-size:34px;line-height:1.05}.registration-mark{display:none}}@media (max-width:600px){.sheet-heading{gap:12px;min-height:100px}.sheet-index{padding-right:12px;font-size:23px}.sheet-heading h1{font-size:32px}}@media (max-width:360px){.sheet-heading{gap:10px;padding-inline:12px}.sheet-heading h1{font-size:28px}.sheet-index{padding-right:10px;font-size:20px}}:lang(zh-Hans) .sheet-index{font-family:var(--font-heading), sans-serif}:lang(zh-Hans) .sheet-heading h1{font-family:var(--font-cjk), sans-serif;letter-spacing:-.02em;font-weight:900}@media (max-width:900px){:lang(zh-Hans) .sheet-heading h1{max-width:none;font-size:28px;line-height:1.35}}.motion-study .sheet-heading .registration-mark{animation:none}.preview-stage{isolation:isolate;height:calc(487 * var(--unit));margin-inline:calc(6 * var(--unit));background:var(--blue);position:relative}.preview-stage:before{z-index:-1;background:var(--blue-texture) repeat;opacity:.48;content:"";background-size:630px;position:absolute;inset:0}.preview-stage:after{top:calc(-33 * var(--unit));right:calc(24.5 * var(--unit));bottom:calc(-41 * var(--unit));left:calc(22.5 * var(--unit));pointer-events:none;content:"";border-inline:1px solid #aec8ea;position:absolute}.stage-caption,.stage-footer{right:calc(29 * var(--unit));width:max(140px, calc(140 * var(--unit)));color:var(--paper);font-size:calc(12 * var(--unit));text-transform:uppercase;line-height:1.25;position:absolute}.stage-caption{top:calc(25 * var(--unit))}.stage-footer{bottom:calc(34 * var(--unit))}.stage-caption:after,.stage-footer:before{width:calc(32 * var(--unit));height:1px;margin-block:calc(16 * var(--unit));content:"";background:#a8c3e0;display:block}.rest-outline{top:calc(165 * var(--unit));width:51.95%;height:calc(277 * var(--unit));border:1.5px dashed #aec8ea;border-radius:8px;position:absolute;left:24.15%}.preview-stage :focus-visible{outline-color:var(--paper)}@media (max-width:1100px){.preview-stage:after,.stage-caption{display:none}.preview-stage{height:430px}.rest-outline{width:74%;height:270px;top:115px;left:21%}.stage-footer{width:auto;font-size:10px;bottom:12px;right:26px}.stage-footer:before{display:none}}@media (max-width:900px){.preview-stage{flex-direction:column;gap:16px;height:auto;margin-inline:4px;padding:16px 16px 20px;display:flex}.stage-footer,.rest-outline{display:none}}@media (max-width:360px){.preview-stage{padding-inline:12px}}.preset-list{top:calc(67 * var(--unit));gap:calc(24 * var(--unit));flex-direction:column;width:17%;display:flex;position:absolute;left:3%}.preset{min-height:calc(104 * var(--unit));color:var(--paper);text-align:left;background:0 0;border:0;flex-direction:column;align-items:flex-start;padding:0;display:flex;position:relative}.preset:first-child{min-height:calc(140 * var(--unit))}.preset:not([aria-pressed=true]) .preset-rule{top:calc(-26 * var(--unit));margin-top:0;position:absolute}.preset-number{color:#a8c3e0;font-family:var(--font-heading), sans-serif;font-size:calc(40 * var(--unit));font-weight:600;line-height:1}.preset-name{margin-top:calc(5 * var(--unit));font-size:calc(21 * var(--unit));line-height:1.3}.preset-rule{width:calc(33 * var(--unit));height:1px;margin-top:calc(14 * var(--unit));background:#a8c3e0}.preset[aria-pressed=true] .preset-rule{width:calc(49 * var(--unit));height:calc(6 * var(--unit));background:var(--vermilion);border-radius:4px}.preset:hover .preset-name{text-underline-offset:6px;text-decoration:underline}.preset[aria-pressed=true] .preset-number{color:#ff986e}.preset-rule{transition:width .18s ease-out,background-color .18s ease-out}@media (prefers-reduced-motion:reduce){.preset-rule{transition:none}}@media (max-width:1100px){.preset-list{gap:20px;top:58px;left:3%}.preset,.preset:first-child{min-height:90px}.preset:first-child{min-height:115px}.preset-number{font-size:32px}.preset-name{font-size:15px}}@media (max-width:900px){.preset-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;width:100%;display:grid;position:static}.preset,.preset:first-child{min-height:88px;padding-bottom:4px}.preset-number{font-size:30px}.preset-name{margin-top:7px;font-size:14px}.preset-rule,.preset:not([aria-pressed=true]) .preset-rule{width:24px;margin-top:auto;position:static}.preset[aria-pressed=true] .preset-rule{width:40px;height:4px}}@media (max-width:600px){.preset-list{gap:8px}.preset-name{font-size:13px}}@media (max-width:360px){.preset-name{font-size:12px}}:lang(zh-Hans) .preset-number{font-family:var(--font-heading), sans-serif}.sample-card{top:calc(60 * var(--unit));width:49.22%;height:calc(335 * var(--unit));color:var(--ink);text-align:left;background:0 0;border:0;border-radius:14px;padding:0;display:block;position:absolute;left:25.42%}.sample-surface{gap:calc(33 * var(--unit));width:100%;height:100%;padding:calc(33 * var(--unit));border-radius:inherit;background:var(--paper) var(--paper-texture) repeat;box-shadow:var(--resting-shadow);pointer-events:none;background-size:630px;grid-template-rows:minmax(0,1fr);grid-template-columns:1fr 1fr;display:grid;position:relative}.glass-backdrop{top:calc(35 * var(--unit));width:41%;height:calc(390 * var(--unit));object-fit:cover;position:absolute;left:30%}.sample-card[data-effect=frosted-glass] .sample-surface{background:var(--paper)}.sample-card[data-effect=frosted-glass] .sample-surface:before{border-radius:inherit;pointer-events:none;content:"";border:1px solid #fff9efb3;position:absolute;inset:0}@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.sample-card[data-effect=frosted-glass] .sample-surface{background:var(--glass-surface);-webkit-backdrop-filter:blur(var(--glass-blur)) saturate(var(--glass-saturation));backdrop-filter:blur(var(--glass-blur)) saturate(var(--glass-saturation))}}.sample-copy{flex-direction:column;min-width:0;display:flex;position:relative}.sample-heading{font-family:var(--font-heading), sans-serif;font-size:calc(52 * var(--unit));letter-spacing:-.035em;font-weight:700;line-height:.94;display:block}.sample-body{margin-top:calc(30 * var(--unit));font-size:calc(17 * var(--unit));line-height:1.35;display:block}.sample-mark{width:calc(48 * var(--unit));height:calc(6 * var(--unit));margin-top:auto;margin-bottom:calc(9 * var(--unit));background:var(--vermilion);border-radius:4px;flex-shrink:0}.sample-index{right:0;bottom:calc(-4 * var(--unit));font-size:calc(13 * var(--unit));font-weight:600;position:absolute}.coast-print{object-fit:cover;width:100%;height:100%;min-height:0}@media (max-width:1100px){.sample-card{width:70%;height:300px;top:48px;left:23%}.sample-surface{gap:22px;padding:24px}.sample-heading{font-size:42px}.sample-body{margin-top:22px;font-size:14px;line-height:1.45}.sample-index{font-size:11px}.glass-backdrop{width:55%;height:350px;top:30px;left:30%}}@media (max-width:900px){.sample-card{border-radius:12px;width:100%;height:auto;position:relative;top:auto;left:auto}.sample-surface{grid-template-rows:auto;grid-template-columns:1fr;gap:16px;height:auto;padding:18px}.coast-print{aspect-ratio:5/2;object-fit:cover;width:100%;height:auto}.sample-heading{font-size:clamp(36px,8.4vw,52px);line-height:.98}.sample-body{margin-top:16px;font-size:14px;line-height:1.6}.sample-mark{width:40px;height:5px;margin-top:22px;margin-bottom:0}.sample-index{font-size:11px;bottom:0;right:0}.glass-backdrop{width:calc(100% - 56px);height:calc(100% - 180px);top:140px;left:28px}}@media (max-width:600px){.sample-surface{padding:16px}.sample-body{font-size:13px;line-height:1.55}}@media (max-width:360px){.sample-heading{font-size:32px}}.glass-backdrop{opacity:0;pointer-events:none;transition:opacity .2s ease-out}.preview-stage[data-effect=frosted-glass] .glass-backdrop{opacity:1}@media (prefers-reduced-motion:reduce){.glass-backdrop{transition:none}}:lang(zh-Hans) .sample-index{font-family:var(--font-heading), sans-serif}:lang(zh-Hans) .sample-heading{font-family:var(--font-cjk), sans-serif;font-size:calc(35 * var(--unit));letter-spacing:-.02em;font-weight:900;line-height:1.3}:lang(zh-Hans) .sample-body{line-height:1.7}@media (max-width:1100px){:lang(zh-Hans) .sample-heading{font-size:30px}}@media (max-width:900px){:lang(zh-Hans) .sample-heading{font-size:clamp(26px,6vw,36px)}:lang(zh-Hans) .sample-body{font-size:15px}}.sample-arrival{border-radius:inherit;pointer-events:none;width:100%;height:100%;display:block}.coast-frame{min-width:0;min-height:0;display:block;overflow:hidden}@media (max-width:900px){.sample-arrival{height:auto}}.prompt-summary{color:var(--ink);text-align:left;background:0 0}.prompt-summary:hover{border-color:var(--ink)}.copy-button:hover{filter:brightness(.94)}.copy-button[aria-busy=true]{opacity:.85}.replay-button:hover{background:var(--ink);color:var(--paper)}.prompt-workspace{margin:4px 40px 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#426aa7;border-radius:5px;flex:none;font-weight:400;display:inline-flex}.copy-button{width:calc(174 * var(--unit));margin-left:calc(24 * var(--unit));gap:calc(6 * var(--unit));padding-inline:calc(7 * var(--unit));transform:translateY(calc(-1.5 * var(--unit)));border-color:var(--vermilion);background:var(--vermilion);color:#fff9ef;font-size:max(19px, calc(19 * var(--unit)));letter-spacing:-.04em;background:color(display-p3 .97 .283 .135);font-weight:700}.copy-label-short{display:none}.copy-button .icon{width:calc(20 * var(--unit));height:calc(20 * var(--unit))}.replay-button{width:calc(150 * var(--unit));color:var(--ink);background:0 0}.preview-guidance{margin:calc(26 * var(--unit)) calc(40 * var(--unit)) 0;font-size:calc(12 * var(--unit));text-align:right;text-transform:uppercase;line-height:1.5}@media (max-width:1400px){.copy-label-long{display:none}.copy-label-short{display:inline}}@media (max-width:1100px){.preview-guidance{text-align:left;margin:20px 28px 0;font-size:11px}.prompt-strip{gap:10px;padding:12px 34px}.prompt-label{width:auto;font-size:10px}.prompt-label .icon{display:none}.prompt-summary{height:46px;padding:10px 12px;font-size:14px}.copy-button{width:108px;height:46px;margin-left:0}.copy-button .icon{width:20px;height:20px}.replay-button{width:110px;height:46px;font-size:14px}.prompt-workspace{margin-inline:28px}}@media (max-width:900px){.preview-guidance{margin-inline:20px;line-height:1.6}.prompt-strip{grid-template-columns:1fr 1fr;gap:10px;padding:14px 12px;display:grid}.copy-button,.replay-button{order:0;width:100%;height:48px;margin:0;font-size:19px;transform:none}.replay-button{font-size:15px}.prompt-label{order:1;grid-column:1/-1;width:100%;margin-top:8px;font-size:11px}.prompt-summary{white-space:normal;order:2;grid-column:1/-1;width:100%;height:auto;padding:12px;font-size:13px;line-height:1.6}.prompt-workspace{margin:4px 20px 0}.index-note,.motion-quiet-note{font-size:12px}.full-prompt 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