@property --spin { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
:root {
  font-family: "Segoe UI Variable Text", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  font-synthesis: none;
  color-scheme: light;
  --page: #f2f5fc;
  --ink: #101b33;
  --muted: #525f78;
  --faint: #6a778f;
  --accent: #3451d6;
  --brand: linear-gradient(135deg, #5b7dff, #435ee5 55%, #6a4fe8);
  --text-grad: linear-gradient(95deg, #2c50e0 5%, #1d8fd0 50%, #6b4fe6 95%);
  --line: rgb(46 70 122 / 11%);
  --panel: rgb(255 255 255 / 50%);
  --panel-solid: #fff;
  --panel-soft: rgb(255 255 255 / 20%);
  --glass: rgb(255 255 255 / 22%);
  --glass-strong: rgb(255 255 255 / 34%);
  --sheen: linear-gradient(155deg, rgb(255 255 255 / 50%), rgb(255 255 255 / 6%) 40%, rgb(255 255 255 / 0%) 62%, rgb(255 255 255 / 22%));
  --rim: rgb(255 255 255 / 100%);
  --rim-low: rgb(255 255 255 / 22%);
  --rim-tint: rgb(120 145 220 / 24%);
  --glass-shadow: inset 0 1px 0 rgb(255 255 255 / 95%), inset 0 0 0 1px rgb(255 255 255 / 16%), inset 0 -14px 24px -18px rgb(255 255 255 / 70%), 0 14px 40px -16px rgb(28 52 118 / 26%), 0 2px 6px -2px rgb(28 52 118 / 8%);
  --orb-a: rgb(84 122 255 / 62%);
  --orb-b: rgb(40 196 232 / 50%);
  --orb-c: rgb(160 104 255 / 56%);
  --orb-d: rgb(255 122 190 / 34%);
  --selected: rgb(255 255 255 / 92%);
  --well: rgb(100 125 180 / 9%);
  --blue-soft: rgb(67 94 229 / 9%);
  --blue-edge: rgb(67 94 229 / 15%);
  --green: #1c7656;
  --green-soft: rgb(38 160 112 / 13%);
  --amber: #85580d;
  --amber-soft: rgb(232 162 40 / 16%);
  --cell: rgb(100 120 160 / 17%);
  --grid-line: rgb(52 84 168 / 7%);
  --spot: rgb(255 255 255 / 60%);
  --ring-low: rgb(67 94 229 / 14%);
  --agent-tint: rgb(91 125 255 / 11%);
  --window-shadow: 0 60px 120px -50px rgb(30 58 140 / 50%), 0 24px 48px -28px rgb(30 58 140 / 25%);
  --button-glow: 0 14px 34px -10px rgb(60 88 230 / 60%);
  color: var(--ink);
  background: var(--page);
}
:root[data-theme=dark] {
  color-scheme: dark;
  --page: #09090b;
  --ink: #f3f3f5;
  --muted: #a8abb3;
  --faint: #868a94;
  --accent: #adb6ff;
  --text-grad: linear-gradient(95deg, #a3afff 5%, #74d6e6 50%, #c2a3ff 95%);
  --line: rgb(255 255 255 / 9%);
  --panel: rgb(22 22 26 / 52%);
  --panel-solid: #151518;
  --panel-soft: rgb(255 255 255 / 3%);
  --glass: rgb(255 255 255 / 5%);
  --glass-strong: rgb(255 255 255 / 8%);
  --sheen: linear-gradient(155deg, rgb(255 255 255 / 12%), rgb(255 255 255 / 2%) 40%, rgb(255 255 255 / 0%) 62%, rgb(255 255 255 / 6%));
  --rim: rgb(255 255 255 / 46%);
  --rim-low: rgb(255 255 255 / 6%);
  --rim-tint: rgb(255 255 255 / 16%);
  --glass-shadow: inset 0 1px 0 rgb(255 255 255 / 20%), inset 0 0 0 1px rgb(255 255 255 / 5%), inset 0 -14px 24px -18px rgb(255 255 255 / 12%), 0 18px 50px -18px rgb(0 0 0 / 75%);
  --orb-a: rgb(118 104 255 / 46%);
  --orb-b: rgb(36 190 205 / 34%);
  --orb-c: rgb(168 88 255 / 42%);
  --orb-d: rgb(236 92 168 / 24%);
  --selected: rgb(255 255 255 / 12%);
  --well: rgb(0 0 0 / 30%);
  --blue-soft: rgb(130 140 255 / 13%);
  --blue-edge: rgb(150 160 255 / 18%);
  --green: #83d4ae;
  --green-soft: rgb(70 200 145 / 14%);
  --amber: #e6c27f;
  --amber-soft: rgb(230 175 70 / 14%);
  --cell: rgb(255 255 255 / 10%);
  --grid-line: rgb(255 255 255 / 4%);
  --spot: rgb(255 255 255 / 7%);
  --ring-low: rgb(255 255 255 / 8%);
  --agent-tint: rgb(150 140 255 / 8%);
  --window-shadow: 0 70px 140px -50px rgb(0 0 0 / 90%), 0 0 90px -40px rgb(140 120 255 / 18%);
  --button-glow: 0 14px 40px -10px rgb(100 110 255 / 55%);
}
@media (prefers-color-scheme: dark) {
:root:not([data-theme]) {
  color-scheme: dark;
  --page: #09090b;
  --ink: #f3f3f5;
  --muted: #a8abb3;
  --faint: #868a94;
  --accent: #adb6ff;
  --text-grad: linear-gradient(95deg, #a3afff 5%, #74d6e6 50%, #c2a3ff 95%);
  --line: rgb(255 255 255 / 9%);
  --panel: rgb(22 22 26 / 52%);
  --panel-solid: #151518;
  --panel-soft: rgb(255 255 255 / 3%);
  --glass: rgb(255 255 255 / 5%);
  --glass-strong: rgb(255 255 255 / 8%);
  --sheen: linear-gradient(155deg, rgb(255 255 255 / 12%), rgb(255 255 255 / 2%) 40%, rgb(255 255 255 / 0%) 62%, rgb(255 255 255 / 6%));
  --rim: rgb(255 255 255 / 46%);
  --rim-low: rgb(255 255 255 / 6%);
  --rim-tint: rgb(255 255 255 / 16%);
  --glass-shadow: inset 0 1px 0 rgb(255 255 255 / 20%), inset 0 0 0 1px rgb(255 255 255 / 5%), inset 0 -14px 24px -18px rgb(255 255 255 / 12%), 0 18px 50px -18px rgb(0 0 0 / 75%);
  --orb-a: rgb(118 104 255 / 46%);
  --orb-b: rgb(36 190 205 / 34%);
  --orb-c: rgb(168 88 255 / 42%);
  --orb-d: rgb(236 92 168 / 24%);
  --selected: rgb(255 255 255 / 12%);
  --well: rgb(0 0 0 / 30%);
  --blue-soft: rgb(130 140 255 / 13%);
  --blue-edge: rgb(150 160 255 / 18%);
  --green: #83d4ae;
  --green-soft: rgb(70 200 145 / 14%);
  --amber: #e6c27f;
  --amber-soft: rgb(230 175 70 / 14%);
  --cell: rgb(255 255 255 / 10%);
  --grid-line: rgb(255 255 255 / 4%);
  --spot: rgb(255 255 255 / 7%);
  --ring-low: rgb(255 255 255 / 8%);
  --agent-tint: rgb(150 140 255 / 8%);
  --window-shadow: 0 70px 140px -50px rgb(0 0 0 / 90%), 0 0 90px -40px rgb(140 120 255 / 18%);
  --button-glow: 0 14px 40px -10px rgb(100 110 255 / 55%);
}
:root:not([data-theme]) .ambient { background: linear-gradient(180deg, #131318, #0c0c0f 50%, var(--page)); }
:root:not([data-theme]) .aurora-a { background: radial-gradient(closest-side, rgb(100 92 255 / 30%), transparent); }
:root:not([data-theme]) .aurora-b { background: radial-gradient(closest-side, rgb(30 180 200 / 20%), transparent); }
:root:not([data-theme]) .aurora-c { background: radial-gradient(closest-side, rgb(160 80 255 / 28%), transparent); }
:root:not([data-theme]) .theme-switch button[aria-pressed=true] { box-shadow: inset 0 1px 0 rgb(255 255 255 / 14%), 0 1px 4px rgb(0 0 0 / 30%); }
:root:not([data-theme]) .download-action::before { background: radial-gradient(closest-side, rgb(120 110 255 / 30%), transparent); }
:root:not([data-theme]) .showcase-glow { background: radial-gradient(48% 42% at 50% 26%, rgb(110 100 255 / 18%), transparent 75%), radial-gradient(28% 34% at 14% 55%, rgb(150 80 255 / 18%), transparent 75%), radial-gradient(28% 34% at 86% 50%, rgb(30 175 200 / 13%), transparent 75%); }
:root:not([data-theme]) .window-bar { background: rgb(255 255 255 / 3%); }
:root:not([data-theme]) .preview-tabs button[aria-selected=true] { color: var(--ink); box-shadow: inset 0 1px 0 rgb(255 255 255 / 14%), 0 2px 8px -2px rgb(0 0 0 / 45%); }
:root:not([data-theme]) .mapping-table, :root:not([data-theme]) .output-sheet { background: rgb(255 255 255 / 2%); }
:root:not([data-theme]) .output-files>div { background: rgb(255 255 255 / 3%); }
:root:not([data-theme]) .feature-section::before { background: radial-gradient(30% 26% at 20% 32%, rgb(110 100 255 / 17%), transparent 72%), radial-gradient(28% 26% at 82% 56%, rgb(165 85 255 / 15%), transparent 72%), radial-gradient(26% 22% at 46% 90%, rgb(30 180 200 / 12%), transparent 72%); }
:root:not([data-theme]) .deliver-visual::before { --orb: rgb(40 190 150 / 30%); }
:root:not([data-theme]) .flow-section::before { background: radial-gradient(34% 40% at 78% 40%, rgb(30 180 200 / 10%), transparent 72%), radial-gradient(30% 40% at 18% 70%, rgb(165 85 255 / 10%), transparent 72%); } }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { display: flow-root; margin: 0; min-width: 320px; position: relative; isolation: isolate; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, [tabindex="0"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
h1, h2, h3, p, ol { margin: 0; }
[hidden] { display: none !important; }

.glass { position: relative; background: var(--sheen), var(--glass); box-shadow: var(--glass-shadow); -webkit-backdrop-filter: blur(28px) saturate(170%); backdrop-filter: blur(28px) saturate(170%); }
.glass::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: linear-gradient(145deg, var(--rim), var(--rim-low) 30%, var(--rim-tint) 52%, var(--rim-low) 72%, var(--rim)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.feature .glass { background: var(--sheen), var(--glass-strong); }

.ambient { position: absolute; z-index: -1; inset: 0 0 auto; height: 1300px; pointer-events: none; overflow: hidden; background: linear-gradient(180deg, #e4ecfc, #edf2fc 55%, var(--page)); }
[data-theme=dark] .ambient { background: linear-gradient(180deg, #131318, #0c0c0f 50%, var(--page)); }
.aurora { position: absolute; border-radius: 50%; will-change: transform; animation: drift 24s ease-in-out infinite alternate; }
.aurora-a { width: 72%; height: 640px; left: 14%; top: -300px; background: radial-gradient(closest-side, rgb(110 150 255 / 72%), transparent); }
.aurora-b { width: 48%; height: 540px; right: -14%; top: -60px; background: radial-gradient(closest-side, rgb(80 210 240 / 46%), transparent); animation-duration: 30s; animation-direction: alternate-reverse; }
.aurora-c { width: 48%; height: 540px; left: -16%; top: 30px; background: radial-gradient(closest-side, rgb(160 128 255 / 42%), transparent); animation-duration: 34s; }
[data-theme=dark] .aurora-a { background: radial-gradient(closest-side, rgb(100 92 255 / 30%), transparent); }
[data-theme=dark] .aurora-b { background: radial-gradient(closest-side, rgb(30 180 200 / 20%), transparent); }
[data-theme=dark] .aurora-c { background: radial-gradient(closest-side, rgb(160 80 255 / 28%), transparent); }
.ambient-grid { position: absolute; inset: 0; background: linear-gradient(var(--grid-line) 1px, transparent 1px) 50% 0 / 56px 56px, linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 50% 0 / 56px 56px; -webkit-mask-image: radial-gradient(ellipse 65% 50% at 50% 0%, #000 25%, transparent 80%); mask-image: radial-gradient(ellipse 65% 50% at 50% 0%, #000 25%, transparent 80%); }

.site-header { position: sticky; top: 16px; z-index: 20; max-width: 1120px; margin: 16px auto 0; padding: 9px 10px 9px 16px; border-radius: 999px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; letter-spacing: -.5px; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--brand); color: #fff; box-shadow: inset 0 1px 0 rgb(255 255 255 / 45%), 0 4px 12px -2px rgb(67 94 229 / 50%); }
.brand-mark svg { width: 19px; height: 19px; stroke-width: 1.8; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-links { display: flex; gap: 2px; }
.feature-link { padding: 7px 14px; border-radius: 999px; font-size: 13px; color: var(--muted); transition: background-color .2s, color .2s; }
.feature-link:hover { color: var(--ink); background: var(--blue-soft); }
.theme-switch { display: flex; align-items: center; padding: 3px; gap: 2px; border-radius: 999px; background: var(--well); box-shadow: inset 0 1px 2px rgb(20 40 90 / 8%); }
.theme-switch button { display: grid; place-items: center; width: 32px; height: 28px; padding: 0; border: 0; border-radius: 999px; background: transparent; color: var(--muted); transition: background-color .2s, color .2s, box-shadow .2s; }
.theme-switch button:hover { color: var(--ink); }
.theme-switch svg { width: 15px; height: 15px; }
.theme-switch button[aria-pressed=true] { background: var(--selected); color: var(--ink); box-shadow: inset 0 1px 0 rgb(255 255 255 / 70%), 0 1px 4px rgb(10 30 80 / 14%); }
[data-theme=dark] .theme-switch button[aria-pressed=true] { box-shadow: inset 0 1px 0 rgb(255 255 255 / 14%), 0 1px 4px rgb(0 0 0 / 30%); }

.download-hero { text-align: center; padding: 76px 20px 56px; }
.product-label { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px 7px 12px; border-radius: 999px; color: var(--muted); font-size: 13px; font-weight: 500; margin-bottom: 26px; }
.product-label svg { width: 15px; height: 15px; color: var(--accent); fill: currentColor; stroke: none; }
h1 { font-family: "Segoe UI Variable Display", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", sans-serif; font-size: clamp(42px, 5vw, 66px); line-height: 1.24; font-weight: 600; letter-spacing: -1.5px; }
h1 span { display: block; width: fit-content; margin-inline: auto; }
h1 span:last-child { background: var(--text-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-description { color: var(--muted); font-size: 16px; line-height: 1.9; margin-top: 22px; }
.download-action { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 16px; width: min(100%, 640px); margin: 34px auto 0; }
.download-action > .download-button { grid-area: 1 / 1; min-width: 0; white-space: nowrap; }
.download-action > .release-meta { grid-area: 2 / 1; justify-self: stretch; gap: 3px 8px; padding: 8px 10px; border-radius: 18px; }
.download-action > .release-meta span:first-child { flex-basis: 100%; }
.download-action > .release-meta span+span { margin: 0; padding: 0; border: 0; }
.download-action > .mac-meta { grid-area: 2 / 2; }
.download-action > .mac-download { grid-area: 1 / 2; }
.download-action > .device-note { grid-area: 3 / 1 / auto / -1; justify-self: center; }
.download-action::before { content: ""; position: absolute; z-index: -1; top: -14px; left: 50%; width: 340px; height: 84px; margin-left: -170px; border-radius: 50%; background: radial-gradient(closest-side, rgb(90 120 255 / 42%), transparent); animation: breathe 4.5s ease-in-out infinite; }
[data-theme=dark] .download-action::before { background: radial-gradient(closest-side, rgb(120 110 255 / 30%), transparent); }
.download-action:has(:disabled)::before { display: none; }
.download-button { position: relative; overflow: hidden; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-width: 224px; min-height: 54px; padding: 14px 32px; border: 0; border-radius: 999px; background: radial-gradient(90% 120% at 50% -30%, rgb(255 255 255 / 30%), transparent 60%), linear-gradient(120deg, #4b6bff, #3d5be8 45%, #6a4fec); color: #fff; font-size: 15px; line-height: 1.4; font-weight: 600; letter-spacing: .3px; box-shadow: inset 0 1px 0 rgb(255 255 255 / 45%), inset 0 -3px 8px rgb(30 20 120 / 25%), 0 0 0 1px rgb(55 75 210 / 35%), var(--button-glow); transition: translate .25s ease, box-shadow .25s ease; }
.download-button::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(105deg, transparent 30%, rgb(255 255 255 / 38%) 48%, transparent 66%); translate: -110% 0; transition: translate .9s ease; }
.download-button svg { width: 18px; height: 18px; stroke-width: 2; }
.download-button:not(:disabled):hover { translate: 0 -2px; box-shadow: inset 0 1px 0 rgb(255 255 255 / 50%), inset 0 -3px 8px rgb(30 20 120 / 25%), 0 0 0 1px rgb(55 75 210 / 35%), 0 20px 44px -10px rgb(70 98 240 / 72%); }
.download-button:not(:disabled):hover::before { translate: 110% 0; }
.download-button:not(:disabled):active { translate: 0 0; }
.download-button:disabled { color: var(--muted); background: var(--sheen), var(--glass); box-shadow: var(--glass-shadow), inset 0 0 0 1px var(--line); -webkit-backdrop-filter: blur(28px) saturate(170%); backdrop-filter: blur(28px) saturate(170%); cursor: default; }
.download-button:disabled::before { display: none; }
.release-meta { display: inline-flex; align-items: center; justify-content: center; flex-wrap: wrap; padding: 6px 16px; border-radius: 999px; color: var(--muted); font-size: 12px; line-height: 1.6; font-variant-numeric: tabular-nums; }
.release-meta span+span { margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--line); }
.download-button:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

.product-showcase { position: relative; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.showcase-glow { position: absolute; z-index: -1; left: 0; right: 0; top: -50px; bottom: 6%; background: radial-gradient(48% 42% at 50% 26%, rgb(90 125 255 / 32%), transparent 75%), radial-gradient(28% 34% at 14% 55%, rgb(150 115 255 / 24%), transparent 75%), radial-gradient(28% 34% at 86% 50%, rgb(40 190 230 / 22%), transparent 75%); }
[data-theme=dark] .showcase-glow { background: radial-gradient(48% 42% at 50% 26%, rgb(110 100 255 / 18%), transparent 75%), radial-gradient(28% 34% at 14% 55%, rgb(150 80 255 / 18%), transparent 75%), radial-gradient(28% 34% at 86% 50%, rgb(30 175 200 / 13%), transparent 75%); }
.showcase-glow::before, .showcase-glow::after { content: ""; position: absolute; border-radius: 50%; filter: blur(10px); }
.showcase-glow::before { left: 6%; top: -4px; width: 260px; height: 260px; background: radial-gradient(circle at 38% 38%, var(--orb-a), var(--orb-b) 42%, transparent 70%); animation: orbit-a 14s ease-in-out infinite alternate; }
.showcase-glow::after { right: 5%; bottom: -96px; width: 320px; height: 320px; background: radial-gradient(circle at 58% 42%, var(--orb-c), var(--orb-d) 44%, transparent 70%); animation: orbit-b 17s ease-in-out infinite alternate; }
.app-window { overflow: hidden; border-radius: 20px; background: var(--sheen), var(--panel); box-shadow: var(--glass-shadow), var(--window-shadow); }
.window-bar { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 12px 18px; border-bottom: 1px solid var(--line); background: rgb(255 255 255 / 18%); font-size: 12px; }
[data-theme=dark] .window-bar { background: rgb(255 255 255 / 3%); }
.window-name { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.window-emblem { display: grid; place-items: center; width: 20px; height: 20px; background: var(--brand); color: #fff; border-radius: 6px; font-size: 11px; font-weight: 700; box-shadow: inset 0 1px 0 rgb(255 255 255 / 40%); }
.window-context { font-weight: 400; color: var(--faint); margin-left: 2px; }
.demo-label { font-size: 11px; color: var(--faint); padding: 3px 11px; border-radius: 999px; background: var(--well); }
.window-controls { color: var(--faint); font-size: 14px; }
.workspace { display: grid; grid-template-columns: 196px minmax(0, 1fr); min-height: 460px; }
.preview-sidebar { position: relative; display: flex; flex-direction: column; padding: 20px 12px 14px; border-right: 1px solid var(--line); background: var(--panel-soft); }
.project-switch { display: flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 600; margin: 0 4px 10px; }
.project-avatar { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(140deg, rgb(91 125 255 / 22%), rgb(106 79 232 / 12%)); color: var(--accent); box-shadow: inset 0 0 0 1px var(--blue-edge); }
.project-switch small { display: block; font-size: 10.5px; font-weight: 400; color: var(--faint); margin-top: 3px; }
.project-switch svg { width: 15px; height: 15px; margin-left: auto; color: var(--faint); }
.sidebar-group { display: block; margin: 12px 10px 4px; color: var(--faint); font-size: 10.5px; letter-spacing: .3px; }
.preview-nav { position: relative; display: flex; align-items: center; gap: 9px; padding: 7px 10px; margin-bottom: 1px; border-radius: 8px; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.preview-nav svg { width: 15px; height: 15px; }
.preview-nav.current { background: linear-gradient(90deg, rgb(67 94 229 / 15%), rgb(67 94 229 / 4%)); color: var(--accent); font-weight: 600; box-shadow: inset 0 0 0 1px var(--blue-edge); }
.preview-nav.current::before { content: ""; position: absolute; left: -12px; top: 9px; bottom: 9px; width: 3px; border-radius: 0 3px 3px 0; background: var(--brand); }
.sidebar-agent { display: flex; gap: 9px; align-items: center; margin: 14px 0 0; padding: 11px 12px; border-radius: 12px; font-size: 11.5px; font-weight: 600; background: linear-gradient(140deg, rgb(91 125 255 / 13%), rgb(106 79 232 / 6%)); box-shadow: inset 0 0 0 1px var(--blue-edge); }
.sidebar-agent small { display: block; color: var(--faint); font-size: 10.5px; font-weight: 400; margin-top: 3px; }
.ai-spark, .tiny-spark { display: inline-block; font-size: 20px; line-height: 1; background: var(--text-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.preview-main { padding: 18px 26px 26px; min-width: 0; }
.preview-tabs { display: inline-flex; gap: 2px; padding: 4px; border-radius: 999px; background: var(--well); box-shadow: inset 0 1px 2px rgb(20 40 90 / 7%); }
.preview-tabs button { padding: 7px 16px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 12.5px; font-weight: 500; white-space: nowrap; transition: background-color .25s, color .25s, box-shadow .25s; }
.preview-tabs button:hover { color: var(--ink); }
.preview-tabs button[aria-selected=true] { background: var(--selected); color: var(--accent); box-shadow: inset 0 1px 0 rgb(255 255 255 / 80%), 0 2px 8px -2px rgb(20 40 100 / 22%); }
[data-theme=dark] .preview-tabs button[aria-selected=true] { color: var(--ink); box-shadow: inset 0 1px 0 rgb(255 255 255 / 14%), 0 2px 8px -2px rgb(0 0 0 / 45%); }
.demo-panel { min-height: 384px; animation: panel-in .45s cubic-bezier(.2, .75, .25, 1) both; }
.preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 22px 0 18px; }
.preview-heading h2 { font-size: 20px; font-weight: 600; line-height: 1.45; letter-spacing: -.2px; }
.preview-heading p { font-size: 12.5px; line-height: 1.7; color: var(--faint); margin-top: 4px; }
.preview-badge { flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px; color: var(--accent); background: var(--blue-soft); box-shadow: inset 0 0 0 1px var(--blue-edge); font-size: 11px; font-weight: 600; }
.preview-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: pulse 2.4s ease-in-out infinite; }
.cleaning-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.material-list { min-width: 0; }
.list-heading { display: flex; justify-content: space-between; font-size: 11px; color: var(--faint); padding: 0 2px 10px; border-bottom: 1px solid var(--line); }
.material-row { display: flex; align-items: center; gap: 11px; padding: 13px 2px; border-bottom: 1px solid var(--line); min-width: 0; }
.file-icon { display: inline-grid; place-items: center; width: 32px; height: 36px; border-radius: 8px; font: 700 13px "Segoe UI", sans-serif; flex-shrink: 0; color: #fff; box-shadow: inset 0 1px 0 rgb(255 255 255 / 35%), 0 4px 10px -4px rgb(0 0 0 / 30%); }
.file-icon.sheet { background: linear-gradient(150deg, #43b48b, #1f7d5d); }
.file-icon.document { background: linear-gradient(150deg, #6f93ff, #4462dc); }
.file-info { font-size: 13px; font-weight: 500; min-width: 0; }
.file-info small { display: block; color: var(--faint); font-size: 11px; font-weight: 400; margin-top: 4px; }
.status { display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 500; white-space: nowrap; }
.status::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.material-row .status { margin-left: auto; }
.status.done { background: var(--green-soft); color: var(--green); }
.status.review { background: var(--amber-soft); color: var(--amber); }
.source-note { display: flex; align-items: center; gap: 6px; color: var(--faint); font-size: 11px; margin-top: 14px; }
.source-note svg { width: 14px; height: 14px; color: var(--green); }
.agent-panel { position: relative; min-width: 0; padding: 17px 19px; border-radius: 14px; background: linear-gradient(150deg, var(--agent-tint), transparent 70%), var(--glass); box-shadow: inset 0 1px 0 var(--rim-low), 0 16px 36px -22px rgb(20 30 80 / 35%); }
.agent-panel::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--spin), var(--ring-low) 0 55%, #5b7dff 70%, #34c4e6 82%, #9b7cff 92%, var(--ring-low)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; animation: spin 7s linear infinite; }
.agent-heading { display: flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; }
.agent-heading .ai-spark { font-size: 17px; animation: twinkle 3.2s ease-in-out infinite; }
.agent-state { color: var(--faint); font-size: 10.5px; font-weight: 400; margin-left: auto; }
.agent-task { color: var(--muted); font-size: 11.5px; line-height: 1.75; margin-top: 11px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.execution-list { list-style: none; padding: 14px 0 0; }
.execution-list li { position: relative; display: flex; align-items: flex-start; gap: 10px; padding-bottom: 13px; font-size: 12.5px; font-weight: 500; }
.execution-list li:not(:last-child)::before { content: ""; position: absolute; left: 8.5px; top: 23px; bottom: 3px; width: 1px; background: var(--green-soft); }
.demo-panel:not([hidden]) .execution-list li { animation: rise-small .5s cubic-bezier(.2, .75, .25, 1) both; }
.demo-panel:not([hidden]) .execution-list li:nth-child(2) { animation-delay: .1s; }
.demo-panel:not([hidden]) .execution-list li:nth-child(3) { animation-delay: .2s; }
.step-check { display: grid; place-items: center; flex-shrink: 0; width: 18px; height: 18px; background: var(--green-soft); color: var(--green); border-radius: 50%; font-size: 10px; box-shadow: inset 0 0 0 1px rgb(38 160 112 / 25%); }
.execution-list small { display: block; font-size: 11px; font-weight: 400; color: var(--faint); margin-top: 4px; line-height: 1.6; }
.agent-result { display: flex; align-items: center; gap: 6px; color: var(--accent); font-size: 11.5px; font-weight: 500; padding-top: 11px; border-top: 1px solid var(--line); }
.mapping-table { border-radius: 14px; overflow: hidden; background: rgb(255 255 255 / 26%); box-shadow: inset 0 0 0 1px var(--line); }
[data-theme=dark] .mapping-table, [data-theme=dark] .output-sheet { background: rgb(255 255 255 / 2%); }
.mapping-row { display: grid; grid-template-columns: 1.1fr 28px 1fr 74px; align-items: center; gap: 12px; padding: 15px 18px; font-size: 13.5px; font-weight: 500; }
.mapping-row+.mapping-row { border-top: 1px solid var(--line); }
.mapping-row small { color: var(--faint); font-size: 11.5px; font-weight: 400; margin-right: 12px; font-variant-numeric: tabular-nums; }
.mapping-row .status { justify-self: start; }
.mapping-head { background: var(--well); color: var(--faint); font-size: 11.5px; font-weight: 400; padding-top: 11px; padding-bottom: 11px; }
.map-arrow { color: var(--accent); }
.mapping-note { display: flex; align-items: center; gap: 13px; padding: 16px 18px; margin-top: 16px; border-radius: 14px; background: linear-gradient(120deg, rgb(91 125 255 / 13%), rgb(106 79 232 / 6%)); box-shadow: inset 0 0 0 1px var(--blue-edge); }
.mapping-note strong { font-size: 13px; font-weight: 600; }
.mapping-note p { color: var(--muted); font-size: 12px; margin-top: 3px; line-height: 1.7; }
.output-layout { display: grid; grid-template-columns: 1.8fr 1fr; gap: 20px; }
.output-sheet { border-radius: 14px; overflow: hidden; background: rgb(255 255 255 / 26%); box-shadow: inset 0 0 0 1px var(--line); }
.sheet-title { display: flex; justify-content: space-between; align-items: baseline; font-size: 13.5px; font-weight: 600; padding: 15px 14px; }
.sheet-title span { font-size: 11px; font-weight: 400; color: var(--faint); }
.sheet-row { display: grid; grid-template-columns: 1fr 1fr 1fr; border-top: 1px solid var(--line); font-size: 12px; font-variant-numeric: tabular-nums; }
.sheet-row span { padding: 11px 12px; border-right: 1px solid var(--line); white-space: nowrap; }
.sheet-row span:not(:first-child) { text-align: right; }
.sheet-row span:last-child { border: 0; }
.sheet-head { color: var(--muted); background: var(--well); }
.sheet-empty { height: 58px; border-top: 1px solid var(--line); background: repeating-linear-gradient(transparent 0 28px, var(--line) 28px 29px); }
.output-files>div { display: flex; align-items: center; gap: 11px; padding: 13px; margin-bottom: 12px; border-radius: 13px; font-size: 12.5px; font-weight: 500; background: rgb(255 255 255 / 30%); box-shadow: inset 0 0 0 1px var(--line), 0 6px 16px -10px rgb(30 55 120 / 30%); }
[data-theme=dark] .output-files>div { background: rgb(255 255 255 / 3%); }
.output-files small { display: block; color: var(--faint); font-size: 11px; font-weight: 400; margin-top: 4px; }
.output-files p { color: var(--faint); font-size: 12px; line-height: 1.9; padding: 10px 13px; }
.showcase-caption { text-align: center; color: var(--muted); font-size: 13px; line-height: 1.8; padding: 28px 0 0; }

.feature-section { position: relative; max-width: 1160px; margin: 120px auto 0; padding: 0 24px; }
.feature-section::before { content: ""; position: absolute; z-index: -1; inset: 8% 0 -4%; pointer-events: none; background: radial-gradient(30% 26% at 20% 32%, rgb(95 130 255 / 34%), transparent 72%), radial-gradient(28% 26% at 82% 56%, rgb(150 110 255 / 28%), transparent 72%), radial-gradient(26% 22% at 46% 90%, rgb(40 195 225 / 24%), transparent 72%); }
[data-theme=dark] .feature-section::before { background: radial-gradient(30% 26% at 20% 32%, rgb(110 100 255 / 17%), transparent 72%), radial-gradient(28% 26% at 82% 56%, rgb(165 85 255 / 15%), transparent 72%), radial-gradient(26% 22% at 46% 90%, rgb(30 180 200 / 12%), transparent 72%); }
.section-heading { text-align: center; margin-bottom: 52px; }
.section-heading h2 { font-size: 36px; font-weight: 600; line-height: 1.4; letter-spacing: -.8px; }
.section-heading h2 span { display: inline-block; }
.section-heading p { margin-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.feature { overflow: hidden; min-width: 0; border-radius: 28px; transition: translate .45s cubic-bezier(.2, .75, .25, 1), box-shadow .45s; }
.feature::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(400px circle at var(--spot-x, 50%) var(--spot-y, 0%), var(--spot), transparent 70%); opacity: 0; transition: opacity .35s; }
.features > :nth-child(even) { --delay: .1s; }
.feature-copy { padding: 34px 36px 0; }
.feature-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 20px; border-radius: 13px; color: #fff; background: var(--brand); box-shadow: inset 0 1px 0 rgb(255 255 255 / 45%), inset 0 -2px 6px rgb(30 20 120 / 20%), 0 8px 18px -8px var(--icon-glow, rgb(67 94 229 / 70%)); }
.feature-icon svg { width: 21px; height: 21px; stroke-width: 1.8; }
.feature-transform .feature-icon { background: linear-gradient(135deg, #3cc6e8, #3478ef); --icon-glow: rgb(40 150 230 / 70%); }
.feature-control .feature-icon { background: linear-gradient(135deg, #a084ff, #6a4fe8); --icon-glow: rgb(110 80 235 / 70%); }
.feature-deliver .feature-icon { background: linear-gradient(135deg, #3fcb9c, #1e8f86); --icon-glow: rgb(30 150 120 / 70%); }
.feature h3 { font-size: 22px; line-height: 1.45; font-weight: 600; letter-spacing: -.3px; }
.feature p { font-size: 14px; line-height: 1.9; color: var(--muted); margin-top: 10px; max-width: 46ch; }
.understand-visual, .transform-visual, .control-visual, .deliver-visual { position: relative; height: 270px; margin-top: 22px; background: radial-gradient(ellipse at 50% 100%, var(--blue-soft), transparent 70%); }
.understand-visual::before, .transform-visual::after, .control-visual::before, .deliver-visual::before { content: ""; position: absolute; z-index: -1; width: 180px; height: 180px; border-radius: 50%; pointer-events: none; background: radial-gradient(circle, var(--orb), transparent 68%); }
.understand-visual::before { --orb: var(--orb-a); left: calc(50% - 10px); top: 34px; }
.transform-visual::after { --orb: var(--orb-b); right: 8%; top: 22px; }
.control-visual::before { --orb: var(--orb-c); left: calc(50% + 24px); top: 8px; }
.deliver-visual::before { --orb: rgb(40 190 150 / 48%); left: calc(50% + 34px); top: 18px; }
[data-theme=dark] .deliver-visual::before { --orb: rgb(40 190 150 / 30%); }
.floating-file { position: absolute; display: flex; align-items: center; gap: 12px; width: 280px; padding: 15px 18px; border-radius: 16px; font-size: 13px; font-weight: 500; animation: float 6s ease-in-out infinite alternate; }
.floating-file small { display: block; color: var(--faint); font-size: 11px; font-weight: 400; margin-top: 5px; }
.file-back { top: 16px; left: calc(50% - 151px); transform: rotate(-7deg); }
.file-front { top: 75px; left: calc(50% - 115px); transform: rotate(3deg); animation-delay: -3s; }
.tiny-spark { margin-left: auto; font-size: 22px; }
.recognition-result { position: absolute; left: calc(50% - 156px); top: 172px; display: flex; gap: 13px; align-items: center; width: 290px; border-radius: 16px; padding: 14px 20px; font-size: 13px; font-weight: 500; }
.recognition-tags { display: flex; gap: 6px; margin-top: 8px; }
.recognition-tags i { font-style: normal; font-size: 10.5px; font-weight: 400; color: var(--accent); padding: 3px 8px; border-radius: 999px; background: var(--blue-soft); }
.transform-visual { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 0 28px 14px; }
.transform-visual::before { content: ""; position: absolute; left: 14%; right: 14%; top: calc(50% - 8px); height: 2px; background: linear-gradient(90deg, rgb(91 125 255 / 60%) 50%, transparent 0) 0 0 / 14px 2px repeat-x; animation: flow 1.2s linear infinite; opacity: .7; }
.transform-visual > * { position: relative; }
.transform-source, .transform-target { width: 136px; flex-shrink: 0; min-height: 164px; border-radius: 15px; padding: 16px 14px; font-size: 12px; font-weight: 600; }
.transform-source { transform: rotate(-5deg); }
.transform-target { transform: rotate(4deg); }
.source-cells { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 18px 0; }
.source-cells i { height: 10px; background: var(--cell); border-radius: 3px; }
.source-cells i:first-child { grid-column: span 2; }
.source-cells i:nth-child(3), .source-cells i:nth-child(7) { background: var(--amber-soft); box-shadow: inset 0 0 0 1px rgb(230 160 40 / 30%); }
.transform-source small, .transform-target small { color: var(--faint); font-size: 9.5px; font-weight: 400; white-space: nowrap; }
.transform-agent { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.agent-orb { position: relative; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; font-size: 26px; color: #fff; background: radial-gradient(circle at 35% 28%, #9ab2ff, #4a63ea 55%, #5a3fd8); box-shadow: inset 0 1px 1px rgb(255 255 255 / 60%), inset 0 -4px 10px rgb(20 10 90 / 35%), 0 10px 26px -6px rgb(70 90 240 / 65%); }
.agent-orb::before { content: ""; position: absolute; inset: -7px; border: 1.5px solid transparent; border-radius: 50%; background: conic-gradient(transparent 0 55%, rgb(91 125 255 / 90%) 75%, rgb(52 196 230 / 95%) 88%, transparent) border-box; -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: rotate 3.6s linear infinite; }
.transform-agent > span:last-child { white-space: nowrap; color: var(--muted); font-size: 10.5px; font-weight: 500; }
.transform-target>div { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 15px; }
.transform-target i { font-style: normal; color: var(--accent); font-size: 10.5px; font-weight: 500; }
.transform-target b { height: 8px; border-radius: 3px; background: linear-gradient(90deg, rgb(91 125 255 / 55%), rgb(91 125 255 / 20%)); }
.transform-target b+b { background: linear-gradient(90deg, rgb(40 180 225 / 55%), rgb(40 180 225 / 20%)); }
.transform-target small { display: block; margin-top: 19px; }
.control-visual { display: grid; place-items: center; }
.evidence-card { width: 340px; padding: 18px 22px; border-radius: 18px; transform: rotate(-2deg); }
.evidence-line { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.evidence-line .ai-spark { font-size: 17px; }
.evidence-line .status { margin-left: auto; }
.evidence-match { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; margin: 20px 0 18px; }
.evidence-match>span { color: var(--faint); font-size: 10.5px; }
.evidence-match strong { font-size: 15px; font-weight: 600; }
.evidence-source { color: var(--faint); font-size: 10.5px; padding-top: 12px; border-top: 1px solid var(--line); }
.evidence-source span { margin-left: 10px; color: var(--muted); }
.confirm-chip { display: inline-block; margin-top: 14px; padding: 7px 14px; border-radius: 999px; font-size: 11.5px; font-weight: 600; color: #fff; background: var(--brand); box-shadow: inset 0 1px 0 rgb(255 255 255 / 40%), 0 6px 16px -6px rgb(67 94 229 / 60%); }
.deliver-sheet { position: absolute; width: 270px; height: 195px; top: 7px; left: calc(50% - 155px); padding: 20px; border-radius: 16px; transform: rotate(-6deg); font-size: 13px; font-weight: 600; }
.mini-grid { margin-top: 16px; height: 117px; border-radius: 6px; box-shadow: inset 0 0 0 1px var(--line); background: linear-gradient(rgb(91 125 255 / 12%) 0 23px, transparent 23px), repeating-linear-gradient(0deg, transparent 0 22px, var(--line) 22px 23px), repeating-linear-gradient(90deg, transparent 0 55px, var(--line) 55px 56px); }
.deliver-file { position: absolute; width: 245px; top: 127px; left: calc(50% - 72px); display: flex; align-items: center; gap: 11px; padding: 15px 16px; border-radius: 16px; font-size: 13px; font-weight: 500; transform: rotate(3deg); animation: float 6s ease-in-out infinite alternate; }
.deliver-file small { display: block; font-size: 11px; font-weight: 400; color: var(--faint); margin-top: 5px; }
.deliver-check { display: grid; place-items: center; width: 22px; height: 22px; margin-left: auto; border-radius: 50%; color: #fff; background: linear-gradient(150deg, #43b48b, #1f7d5d); font-size: 12px; box-shadow: 0 4px 10px -3px rgb(31 125 93 / 55%); }
.deliver-stages { position: absolute; display: flex; align-items: center; justify-content: center; gap: 8px; bottom: 16px; left: 0; right: 0; color: var(--muted); font-size: 11px; }
.deliver-stages span { padding: 4px 10px; border-radius: 999px; background: var(--blue-soft); }
.deliver-stages span:last-child { color: #fff; background: var(--brand); }
.deliver-stages i { width: 18px; height: 1px; background: linear-gradient(90deg, rgb(91 125 255 / 20%), rgb(91 125 255 / 65%)); }

.flow-section, .install-section { position: relative; max-width: 1160px; margin: 120px auto 0; padding: 0 24px; }
.flow-section::before { content: ""; position: absolute; z-index: -1; inset: 0 0 -10%; pointer-events: none; background: radial-gradient(34% 40% at 78% 40%, rgb(40 195 225 / 18%), transparent 72%), radial-gradient(30% 40% at 18% 70%, rgb(150 110 255 / 16%), transparent 72%); }
[data-theme=dark] .flow-section::before { background: radial-gradient(34% 40% at 78% 40%, rgb(30 180 200 / 10%), transparent 72%), radial-gradient(30% 40% at 18% 70%, rgb(165 85 255 / 10%), transparent 72%); }
.flow-stages { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; padding: 0; list-style: none; }
.flow-stages::before { content: ""; position: absolute; z-index: -1; left: 6%; right: 6%; top: 47px; height: 2px; background: linear-gradient(90deg, rgb(91 125 255 / 60%) 50%, transparent 0) 0 0 / 14px 2px repeat-x; opacity: .55; }
.flow-stages > :nth-child(2) { --delay: .08s; }
.flow-stages > :nth-child(3) { --delay: .16s; }
.flow-stages > :nth-child(4) { --delay: .24s; }
.flow-stage { display: flex; flex-direction: column; min-width: 0; padding: 26px 24px 24px; border-radius: 24px; }
.stage-index { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; color: #fff; font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; background: var(--brand); box-shadow: inset 0 1px 0 rgb(255 255 255 / 45%), inset 0 -2px 6px rgb(30 20 120 / 20%), 0 8px 18px -8px rgb(67 94 229 / 70%); }
.flow-stage:nth-child(2) .stage-index { background: linear-gradient(135deg, #3cc6e8, #3478ef); }
.flow-stage:nth-child(3) .stage-index { background: linear-gradient(135deg, #a084ff, #6a4fe8); }
.flow-stage:nth-child(4) .stage-index { background: linear-gradient(135deg, #3fcb9c, #1e8f86); }
.flow-stage h3 { margin-top: 20px; font-size: 18px; font-weight: 600; line-height: 1.45; }
.flow-stage p { margin: 10px 0 20px; color: var(--muted); font-size: 13px; line-height: 1.85; }
.stage-pages { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 6px; min-height: 76px; margin: auto 0 0; padding: 14px 0 0; list-style: none; border-top: 1px solid var(--line); }
.stage-pages li { padding: 3px 10px; border-radius: 999px; color: var(--accent); background: var(--blue-soft); font-size: 11.5px; line-height: 1.6; white-space: nowrap; }

.install-layout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.install-guide { min-width: 0; padding: 26px 32px 10px; border-radius: 28px; }
.install-guide > h3 { font-size: 19px; font-weight: 650; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.install-guide > h3 span { margin-left: 8px; color: var(--faint); font-size: 12px; font-weight: 400; }
.install-steps { margin: 0; padding: 0; list-style: none; }
.install-steps li { display: flex; gap: 18px; padding: 22px 0; }
.install-steps li+li { border-top: 1px solid var(--line); }
.step-index { display: grid; place-items: center; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; color: #fff; font-size: 14px; font-weight: 700; background: var(--brand); box-shadow: inset 0 1px 0 rgb(255 255 255 / 45%), 0 6px 14px -6px rgb(67 94 229 / 70%); }
.install-steps h4 { margin: 3px 0 0; font-size: 17px; font-weight: 600; line-height: 1.5; }
.install-steps p { margin-top: 6px; color: var(--muted); font-size: 13.5px; line-height: 1.85; }
.install-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 24px 0 0; padding: 6px 8px; border-radius: 22px; }
.install-facts > div { min-width: 0; padding: 18px 24px; }
.install-facts > div:nth-child(even) { border-left: 1px solid var(--line); }
.install-facts > .fact-hash { border-top: 1px solid var(--line); }
.install-facts dt { color: var(--faint); font-size: 12px; }
.install-facts dd { margin: 6px 0 0; font-size: 13.5px; font-weight: 500; line-height: 1.7; }
.install-facts small { display: block; margin-top: 2px; color: var(--faint); font-size: 12px; font-weight: 400; }
.install-facts code { display: block; color: var(--muted); font: 12px/1.7 "Cascadia Mono", Consolas, "Courier New", monospace; overflow-wrap: anywhere; user-select: all; }

.device-note { display: flex; flex-direction: column; align-items: center; gap: 8px; max-width: 100%; padding: 12px 16px; border-radius: 18px; font-size: 13px; }
.device-note p { color: var(--ink); font-weight: 500; }
.device-link { display: flex; align-items: center; gap: 10px; max-width: 100%; }
.device-link code { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font: 12px "Cascadia Mono", Consolas, monospace; user-select: all; }
.device-link button { flex-shrink: 0; padding: 5px 12px; border: 0; border-radius: 999px; color: var(--accent); background: var(--blue-soft); box-shadow: inset 0 0 0 1px var(--blue-edge); font-size: 12px; font-weight: 600; }

.site-footer { position: relative; max-width: 1112px; margin: 90px auto 0; padding: 28px 0 36px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px 18px; font-size: 12px; color: var(--muted); }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--line) 15%, rgb(91 125 255 / 35%) 50%, var(--line) 85%, transparent); }
.footer-brand { display: flex; align-items: center; gap: 18px; min-width: 0; }
.site-footer .brand { color: var(--ink); font-size: 16px; gap: 8px; }
.site-footer .brand-mark { width: 24px; height: 24px; border-radius: 7px; }
.site-footer .brand-mark svg { width: 15px; height: 15px; }
.footer-links { display: flex; gap: 4px; }
.footer-links a { padding: 7px 14px; border-radius: 999px; transition: background-color .2s, color .2s; }
.footer-links a:hover { color: var(--ink); background: var(--blue-soft); }
.footer-copy { grid-column: 1 / -1; color: var(--faint); font-size: 11.5px; }

.download-hero > :not(.download-action), .download-action > *, .app-window, .showcase-caption { animation: rise .9s cubic-bezier(.2, .75, .25, 1) both; }
.download-hero > h1 { animation-delay: .08s; }
.hero-description { animation-delay: .16s; }
.download-button { animation-delay: .24s; }
.release-meta { animation-delay: .3s; }
.app-window { animation-duration: 1.1s; animation-delay: .38s; }
.showcase-caption { animation-delay: .55s; }
.reveal-ready [data-reveal]:not(.is-visible) { opacity: 0; }
.reveal-ready [data-reveal].is-visible { animation: rise .9s cubic-bezier(.2, .75, .25, 1) var(--delay, 0s) both; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes rise-small { from { opacity: 0; transform: translateY(6px); } }
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes drift { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(4%, 30px, 0) scale(1.08); } }
@keyframes breathe { 50% { opacity: .55; transform: scale(.92); } }
@keyframes float { from { translate: 0 0; } to { translate: 0 -8px; } }
@keyframes orbit-a { to { translate: 24px 18px; } }
@keyframes orbit-b { to { translate: -24px -16px; } }
@keyframes twinkle { 50% { opacity: .55; transform: scale(.85) rotate(15deg); } }
@keyframes pulse { 50% { opacity: .35; } }
@keyframes spin { to { --spin: 360deg; } }
@keyframes rotate { to { transform: rotate(1turn); } }
@keyframes flow { to { background-position: 14px 0; } }
@media (hover: hover) {
  .feature:hover { translate: 0 -4px; box-shadow: var(--glass-shadow), 0 30px 60px -28px rgb(40 70 170 / 42%); }
  .feature:hover::before { opacity: 1; }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .feature .glass, .download-button:disabled { background: var(--panel-solid); }
  .app-window { background: var(--panel-solid); }
}
@media (max-width: 1200px) { .site-header { margin-left: 32px; margin-right: 32px; } .site-footer { margin-left: 32px; margin-right: 32px; } }
@media (max-width: 1000px) {
  .workspace { grid-template-columns: 166px minmax(0, 1fr); }
  .demo-panel { min-height: 376px; }
  .preview-main { padding: 18px 20px 22px; }
  .preview-nav { font-size: 12px; }
  .cleaning-layout { gap: 16px; }
  .agent-panel { padding: 14px; }
  .agent-state { display: none; }
  .material-row { gap: 8px; }
  .file-info { font-size: 12px; }
  .file-info small { font-size: 10.5px; }
  .file-icon { width: 28px; height: 32px; font-size: 12px; }
  .preview-heading h2 { font-size: 18px; }
  .preview-heading p { font-size: 11.5px; }
  .feature-copy { padding: 30px 28px 0; }
  .feature h3 { font-size: 20px; }
  .transform-visual { gap: 12px; padding-left: 18px; padding-right: 18px; }
  .transform-source, .transform-target { width: 112px; padding: 15px 12px; }
  .agent-orb { width: 50px; height: 50px; font-size: 22px; }
  .evidence-card { width: 82%; }
  .floating-file { width: 250px; }
  .file-back { left: calc(50% - 139px); }
  .file-front { left: calc(50% - 108px); }
  .deliver-file { left: calc(50% - 85px); width: 220px; }
  .flow-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-stages::before { display: none; }
  .stage-pages { min-height: 0; }
  .flow-stages > :nth-child(odd) { --delay: 0s; }
  .flow-stages > :nth-child(even) { --delay: .08s; }
  .install-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 800px) {
  .preview-sidebar { display: none; }
  .workspace { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .preview-main { padding: 18px 22px 24px; }
  .demo-panel { min-height: 377px; }
  .preview-heading { padding-top: 20px; }
  .preview-heading h2 { font-size: 18px; }
  .file-info { font-size: 12.5px; }
  .file-info small { font-size: 11px; }
  .agent-panel { padding: 16px; }
  .feature-section { margin-top: 96px; }
  .features { gap: 18px; }
  .feature { border-radius: 24px; }
  .feature h3 { font-size: 18px; }
  .feature p { font-size: 13px; }
  .feature-copy { padding: 26px 24px 0; }
  .feature-icon { width: 38px; height: 38px; margin-bottom: 16px; border-radius: 12px; }
  .feature-icon svg { width: 19px; height: 19px; }
  .understand-visual, .transform-visual, .control-visual, .deliver-visual { height: 254px; }
  .transform-visual { gap: 9px; padding: 0 14px 12px; }
  .transform-source, .transform-target { width: 95px; padding: 14px 10px; font-size: 11px; }
  .agent-orb { width: 44px; height: 44px; font-size: 19px; }
  .agent-orb::before { inset: -6px; }
  .transform-agent > span:last-child { font-size: 9px; }
  .transform-source small, .transform-target small { font-size: 8px; }
  .transform-target i { font-size: 9.5px; }
  .floating-file { width: 220px; padding: 14px; font-size: 12px; }
  .file-back { left: calc(50% - 126px); }
  .file-front { left: calc(50% - 98px); }
  .recognition-result { left: calc(50% - 123px); width: 246px; padding: 13px 14px; font-size: 12px; }
  .evidence-card { width: 88%; padding: 18px; }
  .evidence-source span { display: block; margin: 6px 0 0; }
  .deliver-sheet { width: 230px; left: calc(50% - 128px); }
  .deliver-file { width: 205px; left: calc(50% - 79px); font-size: 12px; }
  .deliver-stages { gap: 6px; font-size: 10px; }
  .deliver-stages span { padding: 3px 8px; }
  .deliver-stages i { width: 10px; }
  .flow-section, .install-section { margin-top: 96px; }
  .flow-stage { padding: 22px 20px 20px; border-radius: 22px; }
  .install-guide { padding: 22px 24px 6px; border-radius: 24px; }
}
@media (max-width: 620px) {
  .site-header { top: 12px; margin: 12px 16px 0; padding: 7px 8px 7px 12px; }
  .brand { font-size: 18px; gap: 8px; }
  .brand-mark { width: 28px; height: 28px; border-radius: 8px; }
  .brand-mark svg { width: 17px; height: 17px; }
  .header-actions { gap: 8px; }
  .header-links { display: none; }
  .download-hero { padding: 54px 16px 40px; }
  .product-label { font-size: 12px; margin-bottom: 22px; }
  h1 { font-size: clamp(32px, 9vw, 44px); letter-spacing: -.8px; line-height: 1.3; }
  .hero-description { font-size: 14px; line-height: 1.9; margin-top: 18px; }
  .download-action { margin-top: 28px; gap: 14px 10px; }
  .download-action::before { width: 280px; margin-left: -140px; }
  .download-action > .download-button { min-height: 50px; padding: 12px 10px; gap: 6px; font-size: 13px; letter-spacing: 0; }
  .download-button svg { width: 16px; height: 16px; flex-shrink: 0; }
  .release-meta { font-size: 11px; padding: 5px 13px; }
  .release-meta span+span { margin-left: 9px; padding-left: 9px; }
  .device-note { width: 100%; font-size: 12.5px; }
  .product-showcase { padding: 0 16px; }
  .showcase-glow::before { left: 0; width: 170px; height: 170px; }
  .showcase-glow::after { right: 0; bottom: -64px; width: 210px; height: 210px; }
  .app-window { border-radius: 16px; }
  .window-bar { padding: 11px 13px; gap: 8px; }
  .window-controls, .window-context { display: none; }
  .demo-label { font-size: 10px; padding: 2px 9px; }
  .preview-main { padding: 16px 14px 18px; }
  .preview-tabs { display: flex; }
  .preview-tabs button { flex: 1 1 0; min-width: 0; padding: 7px 4px; font-size: 11.5px; }
  .preview-heading { padding: 18px 0 16px; gap: 7px; }
  .preview-heading h2 { font-size: 17px; }
  .preview-heading p { font-size: 11.5px; }
  .preview-badge { display: none; }
  .demo-panel { min-height: 614px; }
  .cleaning-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .material-row { padding: 12px 0; gap: 10px; }
  .file-icon { width: 28px; height: 32px; }
  .file-info { font-size: 12.5px; }
  .file-info small { font-size: 10.5px; }
  .source-note { margin-top: 12px; }
  .agent-panel { padding: 15px; }
  .agent-heading { font-size: 12px; }
  .agent-state { display: block; }
  .agent-task { font-size: 11px; }
  .execution-list li { font-size: 12px; }
  .execution-list small { font-size: 10.5px; }
  .agent-result { font-size: 11px; }
  .showcase-caption { padding-top: 22px; font-size: 12px; }
  .mapping-row { grid-template-columns: 1.1fr 14px 1fr 58px; gap: 7px; padding: 14px 10px; font-size: 12px; }
  .mapping-row small { display: block; font-size: 10px; margin: 0 0 4px; }
  .mapping-row .status { font-size: 10px; padding: 2px 7px; gap: 4px; }
  .mapping-head { font-size: 10.5px; }
  .mapping-note { padding: 14px 12px; align-items: flex-start; }
  .mapping-note strong { font-size: 12.5px; }
  .mapping-note p { font-size: 11.5px; }
  .output-layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .sheet-title { font-size: 13px; padding: 13px 10px; }
  .sheet-row { font-size: 10.5px; }
  .sheet-row span { padding: 10px 7px; }
  .output-files>div { display: inline-flex; width: calc(50% - 5px); gap: 8px; font-size: 11.5px; padding: 11px 9px; }
  .output-files>div+div { margin-left: 6px; }
  .output-files small { font-size: 10px; }
  .output-files p { padding: 6px 0; font-size: 11.5px; }
  .feature-section { margin-top: 80px; padding: 0 16px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2 { font-size: 26px; line-height: 1.45; }
  .section-heading p { font-size: 13px; margin-top: 12px; }
  .features { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .feature { border-radius: 22px; }
  .feature-copy { padding: 26px 26px 0; }
  .feature h3 { font-size: 20px; }
  .feature p { font-size: 13.5px; }
  .understand-visual, .transform-visual, .control-visual, .deliver-visual { height: 262px; margin-top: 20px; }
  .floating-file { width: 250px; padding: 15px; }
  .file-back { left: calc(50% - 141px); }
  .file-front { left: calc(50% - 111px); }
  .recognition-result { left: calc(50% - 135px); width: 270px; padding: 15px; }
  .transform-visual { gap: 12px; padding: 0 20px 12px; }
  .transform-source, .transform-target { width: 105px; padding: 15px 12px; }
  .evidence-card { width: 84%; padding: 20px; }
  .evidence-source span { display: inline; margin-left: 8px; }
  .deliver-sheet { width: 260px; left: calc(50% - 146px); }
  .deliver-file { width: 225px; left: calc(50% - 80px); }
  .flow-section, .install-section { margin-top: 80px; padding: 0 16px; }
  .flow-stages { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .flow-stages > * { --delay: 0s; }
  .flow-stage { padding: 22px 22px 20px; }
  .flow-stage h3 { margin-top: 16px; font-size: 17px; }
  .flow-stage p { margin-bottom: 16px; }
  .install-layout { gap: 18px; }
  .install-guide { padding: 20px 22px 4px; border-radius: 22px; }
  .install-steps li { gap: 14px; padding: 18px 0; }
  .install-steps h4 { font-size: 16px; }
  .install-steps p { font-size: 13px; }
  .install-facts { grid-template-columns: minmax(0, 1fr); margin-top: 18px; padding: 6px 22px; border-radius: 20px; row-gap: 0; }
  .install-facts > div { padding: 16px 0; }
  .install-facts > div+div, .install-facts > div:nth-child(even), .install-facts > .fact-hash { border-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
  .install-facts dd { font-size: 13px; }
  .site-footer { margin: 56px 20px 0; padding: 24px 0 28px; grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .footer-brand { gap: 12px; }
  .footer-brand>span { font-size: 11px; }
  .footer-links { margin-left: -14px; }
  .footer-links a { padding: 6px 14px; }
}
@media (max-width: 370px) {
  .download-button svg { width: 14px; height: 14px; }
  .brand { font-size: 17px; gap: 6px; }
  .theme-switch button { width: 28px; }
  .preview-tabs button { font-size: 11px; }
  .preview-heading h2 { font-size: 16px; }
  .preview-heading p { font-size: 11px; }
  .feature-copy { padding-left: 22px; padding-right: 22px; }
  .feature h3 { font-size: 19px; }
  .feature p { font-size: 13px; }
  .transform-visual { gap: 8px; padding-left: 12px; padding-right: 12px; }
  .transform-source, .transform-target { width: 90px; padding: 14px 9px; }
  .agent-orb { width: 40px; height: 40px; font-size: 17px; }
  .transform-agent > span:last-child { font-size: 8px; }
  .floating-file { width: 220px; }
  .file-back { left: calc(50% - 122px); }
  .file-front { left: calc(50% - 104px); }
  .recognition-result { left: calc(50% - 121px); width: 242px; padding: 14px; }
  .evidence-card { width: 88%; padding: 17px; }
  .evidence-source span { display: block; margin: 5px 0 0; }
  .deliver-sheet { width: 230px; left: calc(50% - 126px); }
  .deliver-file { width: 204px; left: calc(50% - 82px); }
  .deliver-stages { gap: 4px; }
  .deliver-stages i { width: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .download-button:not(:disabled):hover, .feature:hover { translate: none; }
}
@media (forced-colors: active) {
  .ambient, .showcase-glow, .feature-section::before, .flow-section::before, .flow-stages::before, .download-action::before, .glass::after, .feature::before, .transform-visual::before, .agent-orb::before, .agent-panel::before, .understand-visual::before, .transform-visual::after, .control-visual::before, .deliver-visual::before { display: none; }
  .glass, .download-button, .file-icon, .agent-panel, .preview-tabs, .brand-mark, .feature-icon, .stage-index, .step-index { border: 1px solid ButtonText; }
  h1 span:last-child, .ai-spark, .tiny-spark { background: none; color: CanvasText; }
  .theme-switch button[aria-pressed=true], .preview-tabs button[aria-selected=true] { outline: 1px solid ButtonText; }
}