:root {
  --paper: #f3efe6;
  --paper-deep: #e8e1d3;
  --ivory: #fbf8f1;
  --silk: #eee8dc;
  --ink: #1d2c2b;
  --ink-soft: #42514d;
  --muted: #776f63;
  --line: rgba(41, 62, 57, .18);
  --line-strong: rgba(41, 62, 57, .34);
  --jade: #607d72;
  --jade-light: #b7c7ba;
  --lotus: #7f718f;
  --lotus-light: #d7ccda;
  --clay: #aa765c;
  --cinnabar: #a64736;
  --blue: #3f5f69;
  --shadow: 0 24px 70px rgba(59, 49, 38, .12);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Times New Roman", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --latin: "Cormorant Garamond", "Iowan Old Style", "Baskerville", serif;
  --max: 1480px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--lotus-light); color: var(--ink); }
:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 4px; }

.paper-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: .17;
  mix-blend-mode: multiply;
  background-image:
    repeating-radial-gradient(circle at 25% 30%, rgba(44, 58, 52, .13) 0 .45px, transparent .7px 4px),
    repeating-linear-gradient(93deg, transparent 0 11px, rgba(115, 95, 68, .05) 12px, transparent 13px 24px);
  background-size: 9px 9px, 31px 31px;
}
.skip-link { position: fixed; top: -70px; left: 16px; z-index: 300; background: var(--ink); color: white; padding: 12px 18px; }
.skip-link:focus { top: 14px; }
.loading-screen {
  position: fixed; inset: 0; z-index: 500; display: grid; place-content: center; gap: 24px; text-align: center;
  background: var(--paper); transition: opacity .7s ease, visibility .7s ease;
}
.loading-screen.done { opacity: 0; visibility: hidden; }
.loading-screen p { margin: 0; color: var(--muted); font: 12px/1 var(--sans); letter-spacing: .22em; }
.loading-mark { position: relative; width: 82px; height: 82px; margin: auto; animation: rotateSlow 10s linear infinite; }
.loading-mark i { position: absolute; top: 6px; left: 31px; width: 20px; height: 36px; border: 1px solid var(--jade); border-radius: 100% 0 100% 0; transform-origin: 10px 35px; }
.loading-mark i:nth-child(2) { transform: rotate(60deg); }.loading-mark i:nth-child(3) { transform: rotate(120deg); }
.loading-mark i:nth-child(4) { transform: rotate(180deg); }.loading-mark i:nth-child(5) { transform: rotate(240deg); }.loading-mark i:nth-child(6) { transform: rotate(300deg); }
@keyframes rotateSlow { to { transform: rotate(360deg); } }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90; height: 78px; padding: 0 4vw;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px;
  border-bottom: 1px solid transparent; transition: background .35s, border-color .35s, height .35s;
}
.site-header.scrolled { height: 66px; background: rgba(243, 239, 230, .9); backdrop-filter: blur(18px); border-color: var(--line); }
.brand { display: inline-flex; width: max-content; align-items: center; gap: 10px; }
.brand-seal { display: grid; place-items: center; width: 33px; aspect-ratio: 1; border: 1px solid var(--cinnabar); color: var(--cinnabar); font: 18px var(--serif); transform: rotate(-3deg); }
.brand > span:last-child { display: grid; gap: 1px; }
.brand b { font: 600 17px var(--serif); letter-spacing: .18em; }.brand small { font: 9px var(--latin); letter-spacing: .16em; }
.main-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.main-nav a { position: relative; padding: 27px 0 25px; font-size: 13px; letter-spacing: .1em; color: var(--ink-soft); }
.main-nav a::after { content: ""; position: absolute; bottom: 18px; left: 50%; width: 0; height: 1px; background: var(--cinnabar); transition: .3s; }
.main-nav a:hover::after { left: 0; width: 100%; }
.handbook-button { justify-self: end; display: flex; align-items: center; gap: 12px; border: 0; background: transparent; cursor: pointer; font-size: 12px; letter-spacing: .08em; }
.handbook-button b { display: grid; place-items: center; min-width: 27px; height: 27px; padding: 0 6px; border-radius: 50%; background: var(--ink); color: var(--paper); }

.section { position: relative; padding: clamp(90px, 11vw, 180px) max(5vw, calc((100vw - var(--max)) / 2)); }
.eyebrow { color: var(--jade); font: 600 11px/1.5 var(--sans); letter-spacing: .22em; text-transform: uppercase; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); align-items: end; gap: 7vw; margin-bottom: clamp(48px, 7vw, 88px); }
.section-heading.compact { margin-bottom: 36px; }
.section-heading h2 { margin: 12px 0 0; font: 400 clamp(42px, 6vw, 82px)/1.08 var(--serif); letter-spacing: .04em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); line-height: 2; }
.section-kicker { display: flex; align-items: center; gap: 18px; margin-bottom: 52px; }
.section-kicker::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.section-kicker span { color: var(--jade); font: 600 10px var(--sans); letter-spacing: .22em; }.section-kicker b { font: 500 13px var(--serif); }
.primary-button, .quiet-button, .text-button, .load-more {
  display: inline-flex; align-items: center; justify-content: center; gap: 18px; border: 0; cursor: pointer; transition: transform .25s, background .25s, color .25s, border-color .25s;
}
.primary-button { padding: 15px 22px; background: var(--ink); color: var(--ivory); font-size: 13px; letter-spacing: .1em; }
.primary-button:hover { transform: translateY(-2px); background: var(--blue); }
.primary-button.wide, .text-button.wide { width: 100%; }
.quiet-button { padding: 14px 0; border-bottom: 1px solid var(--line-strong); background: transparent; font-size: 12px; letter-spacing: .1em; }
.text-button { padding: 12px 0; background: transparent; border-bottom: 1px solid var(--line-strong); font-size: 12px; letter-spacing: .08em; }
.text-button:hover { color: var(--cinnabar); border-color: var(--cinnabar); }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; border-radius: 50%; cursor: pointer; font-size: 23px; }

/* hero */
.hero { min-height: 100svh; display: grid; grid-template-columns: minmax(360px, .8fr) minmax(500px, 1.2fr); align-items: center; gap: 4vw; padding: 110px 5vw 70px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 72% 44%, rgba(178, 195, 183, .29), transparent 35%), linear-gradient(110deg, #f8f4ec 0 42%, #e8e3d9 42% 100%); }
.hero::after { content: ""; position: absolute; z-index: -1; width: 58vw; height: 58vw; right: -18vw; top: -30vw; border: 1px solid rgba(91, 118, 108, .22); border-radius: 50%; box-shadow: 0 0 0 9vw rgba(255,255,255,.1), 0 0 0 18vw rgba(255,255,255,.07); }
.hero-copy { position: relative; z-index: 2; padding-left: 3vw; }
.hero-copy h1 { display: flex; gap: .05em; margin: 20px 0 0; font: 400 clamp(94px, 13vw, 210px)/.78 var(--serif); letter-spacing: -.08em; }
.hero-copy h1 span:first-child { color: var(--ink); }.hero-copy h1 span:last-child { color: transparent; -webkit-text-stroke: 1px var(--ink); transform: translateY(10px); }
.hero-subtitle { margin: 28px 0 16px; font: 400 clamp(24px, 2.4vw, 38px)/1.3 var(--serif); letter-spacing: .24em; }
.hero-en { margin: 0; color: var(--muted); font: 500 clamp(16px, 1.6vw, 22px)/1.5 var(--latin); letter-spacing: .17em; }
.hero-en i { font-weight: 400; letter-spacing: .1em; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 42px; }
.hero-object { position: relative; z-index: 2; align-self: stretch; display: grid; align-items: center; }
.object-stage { position: relative; width: min(43vw, 650px); height: min(76vh, 760px); margin: auto; display: grid; place-items: center; transition: transform .2s ease-out; }
.object-stage::before { content: ""; position: absolute; width: 76%; height: 88%; border: 1px solid rgba(67, 89, 82, .2); border-radius: 48% 52% 44% 56% / 56% 44% 56% 44%; transform: rotate(8deg); }
.object-stage > img { width: 74%; height: 84%; object-fit: contain; filter: drop-shadow(0 28px 28px rgba(31, 34, 31, .14)); transition: transform 1s ease, filter 1s; }
.object-stage.traced > img { transform: scale(1.12); filter: saturate(.35) contrast(1.05) drop-shadow(0 32px 30px rgba(31,34,31,.12)); }
.object-index { position: absolute; left: 3%; top: 12%; font: 10px var(--sans); letter-spacing: .2em; writing-mode: vertical-rl; color: var(--muted); }
.object-index b { color: var(--cinnabar); }
.object-caption { position: absolute; right: 1%; bottom: 8%; width: 230px; padding: 16px 0 0 42px; border-top: 1px solid var(--line-strong); }
.object-caption::before { content: ""; position: absolute; left: 0; top: -1px; width: 32px; height: 1px; background: var(--cinnabar); }
.object-caption span,.object-caption small { display: block; color: var(--muted); font-size: 10px; letter-spacing: .1em; }.object-caption b { display: block; margin: 7px 0; font: 500 14px/1.6 var(--serif); }
.focus-ring { position: absolute; z-index: 3; width: 108px; height: 108px; border: 1px solid rgba(166, 71, 54, .8); border-radius: 50%; top: 42%; left: 38%; transform: scale(.7); opacity: 0; transition: .8s; box-shadow: 0 0 0 10px rgba(243,239,230,.35); }
.focus-ring::before,.focus-ring::after { content: ""; position: absolute; background: var(--cinnabar); }.focus-ring::before { width: 18px; height: 1px; top: 50%; left: -9px; }.focus-ring::after { width: 1px; height: 18px; left: 50%; top: -9px; }
.focus-ring i { position: absolute; inset: 13px; border: 1px dashed rgba(166,71,54,.48); border-radius: 50%; animation: rotateSlow 12s linear infinite; }
.object-stage.traced .focus-ring { transform: scale(1); opacity: 1; }
.pattern-ghost { position: absolute; z-index: 4; width: 190px; height: 190px; top: 31%; right: 0; padding: 16px; display: grid; place-items: center; background: rgba(248,245,238,.8); border: 1px solid var(--line); backdrop-filter: blur(8px); opacity: 0; transform: translate(-30px, 20px) scale(.7); transition: 1s .2s; }
.pattern-ghost img { max-width: 100%; max-height: 100%; object-fit: contain; filter: sepia(.3) saturate(.5); }
.object-stage.traced .pattern-ghost { opacity: .95; transform: translate(0,0) scale(1); }
.trace-line { position: absolute; z-index: 3; height: 1px; background: var(--line-strong); transform-origin: left; transform: scaleX(0); transition: transform .8s .35s; }
.trace-a { width: 27%; left: 47%; top: 44%; transform: rotate(-15deg) scaleX(0); }.trace-b { width: 18%; left: 48%; top: 56%; transform: rotate(20deg) scaleX(0); }
.object-stage.traced .trace-a { transform: rotate(-15deg) scaleX(1); }.object-stage.traced .trace-b { transform: rotate(20deg) scaleX(1); }
.transform-rail { position: absolute; bottom: 2%; left: 3%; right: 3%; display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.transform-rail span { padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 9px; letter-spacing: .08em; transition: .4s; }
.transform-rail span.active { border-color: var(--cinnabar); color: var(--ink); }
.scroll-cue { position: absolute; left: 4vw; bottom: 28px; display: flex; gap: 14px; align-items: center; transform: rotate(-90deg); transform-origin: left; color: var(--muted); font-size: 8px; letter-spacing: .2em; }
.scroll-cue i { width: 50px; height: 1px; background: var(--line-strong); overflow: hidden; }.scroll-cue i::after { content:""; display:block; width: 20px; height: 1px; background: var(--cinnabar); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { from { transform: translateX(-20px); } to { transform: translateX(55px); } }

/* immersive cutout carousel + extraction sequence */
.object-stage { --mx:0px; --my:0px; --zoom:1; perspective:1200px; transform-style:preserve-3d; }
.artifact-ring { position:absolute; inset:5% -8% 11%; transform-style:preserve-3d; display:grid; place-items:center; }
.ring-item { position:absolute; z-index:20; width:58%; height:82%; padding:0; border:0; background:transparent; cursor:pointer; opacity:var(--item-opacity); transform:translate3d(var(--shift), 0, var(--depth)) rotateY(var(--yaw)) scale(var(--item-scale)); transform-origin:center bottom; transition:transform .75s cubic-bezier(.22,.72,.2,1),opacity .65s,filter .65s; filter:saturate(.62) brightness(.92); }
.ring-item img { width:100%; height:100%; object-fit:contain; pointer-events:none; filter:drop-shadow(0 30px 26px rgba(37,45,42,.19)); transition:transform .6s ease-out,filter .6s; }
.ring-item.active { z-index:24; opacity:1; filter:saturate(1) brightness(1); }
.ring-item.active img { transform:translate3d(var(--mx),var(--my),0) scale(var(--zoom)); filter:drop-shadow(0 30px 25px rgba(34,42,38,.2)); }
.ring-item:not(.active):hover { opacity:.82; filter:saturate(.85) brightness(1.02); }
.ring-arrow { position:absolute; z-index:35; top:48%; width:44px; height:44px; border:1px solid var(--line-strong); border-radius:50%; background:rgba(247,243,235,.72); backdrop-filter:blur(8px); cursor:pointer; transition:.3s; }
.ring-arrow:hover { color:var(--cinnabar); border-color:var(--cinnabar); transform:scale(1.05); }
.ring-prev { left:-1%; }.ring-next { right:-1%; }
.ring-count { position:absolute; z-index:35; left:4%; bottom:9%; display:flex; align-items:baseline; gap:7px; font:13px var(--latin); }
.ring-count b { font-size:25px; color:var(--cinnabar); }.ring-count span,.ring-count i { color:var(--muted); font-style:normal; }
.phase-focus .ring-item:not(.active) { opacity:.13; transform:translate3d(var(--shift),15px,var(--depth)) rotateY(var(--yaw)) scale(var(--item-scale)); }
.phase-focus .focus-ring { transform:translate(-50%,-50%) scale(1); opacity:1; }
.focus-ring { transform:translate(-50%,-50%) scale(.65); }
.phase-focus .trace-a { transform:rotate(-15deg) scaleX(1); }.phase-detail .trace-b { transform:rotate(20deg) scaleX(1); }
.phase-detail .ring-item.active img { filter:saturate(.9) contrast(1.04) drop-shadow(0 34px 28px rgba(34,42,38,.2)); }
.phase-isolate .ring-item:not(.active) { opacity:.05; }
.phase-focus .object-caption { transform:translateY(-8px); }.object-caption { z-index:34; transition:transform .6s; }


/* intro */
.intro { overflow: hidden; background: var(--ivory); border-top: 1px solid var(--line); }
.intro-folio { position: absolute; right: 6vw; top: 2vw; color: rgba(93, 112, 103, .06); font: 400 min(38vw, 550px)/1 var(--serif); }
.intro-grid { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; gap: 9vw; }
.intro h2 { margin: 0; max-width: 820px; font: 400 clamp(38px, 5vw, 74px)/1.38 var(--serif); }
.intro-copy { padding-top: 10px; border-top: 1px solid var(--line-strong); }.intro-copy p { margin: 0 0 24px; color: var(--ink-soft); font: 17px/2 var(--serif); }
.research-route { position: relative; margin-top: 100px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.research-route::before { content: ""; position: absolute; top: -1px; left: 0; width: 25%; height: 1px; background: var(--cinnabar); }
.research-route div { position: relative; padding: 28px 30px 0 0; display: grid; gap: 10px; }
.research-route i { color: var(--cinnabar); font: 12px var(--latin); }.research-route b { font: 500 18px var(--serif); letter-spacing: .08em; }.research-route span { color: var(--muted); font-size: 12px; }

/* hall */
.hall { min-height: 1050px; overflow: hidden; background: var(--paper-deep); }
.hall::after { content: ""; position: absolute; inset: 12% 14% 4%; border: 1px solid rgba(82,104,96,.12); border-radius: 50%; pointer-events: none; }
.gallery-orbit { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.gallery-card { position: relative; min-height: 430px; overflow: hidden; cursor: pointer; background: var(--ivory); border: 1px solid rgba(255,255,255,.7); box-shadow: 0 12px 45px rgba(54,47,38,.07); transition: transform .45s ease, box-shadow .45s; }
.gallery-card:nth-child(2), .gallery-card:nth-child(5) { transform: translateY(56px); }
.gallery-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }.gallery-card:nth-child(2):hover,.gallery-card:nth-child(5):hover { transform: translateY(48px); }
.gallery-image { height: 255px; background: #dedbd3; overflow: hidden; }.gallery-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s, filter 1s; filter: saturate(.72); }.gallery-card:hover img { transform: scale(1.04); filter: saturate(.95); }
.gallery-image::after { content:""; position:absolute; inset:0 0 auto; height:255px; background: linear-gradient(180deg,transparent 60%,rgba(21,39,37,.18)); pointer-events:none; }
.gallery-card-body { padding: 24px 25px 27px; }.gallery-card-body small { color: var(--jade); font: 10px var(--sans); letter-spacing: .18em; }.gallery-card-body h3 { margin: 10px 0 9px; font: 400 32px var(--serif); letter-spacing: .1em; }.gallery-card-body p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.gallery-card-index { position:absolute; top:18px; left:18px; z-index:2; display:grid; place-items:center; width:42px; height:42px; background:rgba(246,242,233,.9); border-radius:50%; font:12px var(--latin); }
.gallery-card-pattern { position:absolute; right:16px; top:225px; z-index:2; width:62px; height:62px; padding:8px; border-radius:50%; background:var(--paper); border:1px solid var(--line); }.gallery-card-pattern img { width:100%;height:100%;object-fit:contain;filter:grayscale(1) sepia(.2); }
.orbit-center { position: absolute; left: 50%; bottom: 3%; z-index: 1; display: grid; place-items: center; width: 190px; height: 190px; transform: translateX(-50%); border: 1px solid var(--line); border-radius: 50%; color: var(--muted); }
.orbit-center::before,.orbit-center::after { content:"";position:absolute;border:1px solid var(--line);border-radius:50%; }.orbit-center::before { inset:16px; }.orbit-center::after { inset:34px; }
.orbit-center span,.orbit-center b,.orbit-center i { position:relative;z-index:2; }.orbit-center span { margin-top:40px;font:10px var(--sans);letter-spacing:.25em; }.orbit-center b { font:20px var(--latin);letter-spacing:.1em; }.orbit-center i { margin-bottom:35px;font:11px var(--serif); }

/* theme stage */
.theme-stage { background: var(--ivory); }
.theme-nav { display: grid; grid-template-columns: repeat(6,1fr); margin-bottom: 64px; border-bottom: 1px solid var(--line); }
.theme-nav button { position:relative; padding: 0 8px 19px; border: 0; background: transparent; cursor: pointer; color: var(--muted); font: 16px var(--serif); letter-spacing: .08em; }.theme-nav button::after { content:"";position:absolute;left:50%;bottom:-1px;width:0;height:2px;background:var(--cinnabar);transition:.3s; }.theme-nav button.active { color:var(--ink); }.theme-nav button.active::after { left:0;width:100%; }
.theme-panel { display: grid; grid-template-columns: minmax(260px,.68fr) minmax(0,1.32fr); min-height: 650px; border: 1px solid var(--line); background: var(--paper); }
.theme-story { position:relative; padding: clamp(36px,5vw,72px); border-right: 1px solid var(--line); }
.theme-number { display:block; color: var(--cinnabar); font: 13px var(--latin); letter-spacing:.2em; }.theme-story h2 { margin:16px 0 22px;font:400 clamp(54px,7vw,100px)/1 var(--serif); }.theme-lead { max-width:420px;margin:0;color:var(--ink-soft);font:17px/2 var(--serif); }
.theme-evidence { display:grid;gap:5px;margin:52px 0 28px;padding-top:20px;border-top:1px solid var(--line); }.theme-evidence span,.theme-evidence small { color:var(--muted);font-size:10px;letter-spacing:.12em; }.theme-evidence b { font:400 42px var(--latin); }
.task-console { position:relative; min-height:650px; overflow:hidden; }
.task-head { position:absolute;left:28px;top:26px;right:28px;z-index:4;display:flex;justify-content:space-between;align-items:center; }.task-head b { font:600 10px var(--sans);letter-spacing:.2em;color:var(--jade); }.task-head span { font-size:10px;color:var(--muted); }
.find-task { position:absolute;inset:0;display:grid;grid-template-rows:minmax(0,1fr) 92px 68px;background:#d8d6d0;overflow:hidden; }.find-image-frame { position:relative;min-height:0;cursor:crosshair;overflow:hidden;background:#d8d6d0; }.find-image-frame>img { width:100%;height:100%;object-fit:contain; }.find-image-frame::after { content:"移动放大镜观察细节 · 点击标记区域采集";position:absolute;left:24px;bottom:20px;padding:9px 13px;background:rgba(247,244,236,.9);font-size:10px;letter-spacing:.08em;pointer-events:none; }
.magnifier { position:absolute;z-index:3;width:170px;height:170px;border:1px solid var(--cinnabar);border-radius:50%;box-shadow:0 0 0 8px rgba(246,243,235,.35),0 15px 40px rgba(30,34,31,.2);background-repeat:no-repeat;pointer-events:none;opacity:0;transition:opacity .2s; }.find-image-frame:hover .magnifier { opacity:1; }
.target-zone { position:absolute;z-index:4;left:40%;top:36%;width:25%;height:29%;border:1px dashed rgba(166,71,54,.25);background:transparent;cursor:pointer; }.target-zone:hover,.target-zone.found { border-style:solid;border-color:var(--cinnabar);background:rgba(166,71,54,.08); }.target-zone span { position:absolute;right:0;bottom:-27px;padding:5px 8px;background:var(--cinnabar);color:white;font-size:9px;opacity:0; }.target-zone.found span { opacity:1; }
.find-carousel-footer { display:grid;grid-template-columns:48px 1fr 48px;align-items:center;gap:16px;padding:12px 22px;background:rgba(247,244,236,.94);border-top:1px solid var(--line); }.find-carousel-footer>div { display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;min-width:0; }.find-carousel-footer span,.find-carousel-footer small { color:var(--muted);font-size:9px; }.find-carousel-footer b { overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:500 13px var(--serif); }.find-arrow { width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;cursor:pointer; }.find-arrow:hover { border-color:var(--cinnabar);color:var(--cinnabar); }
.find-thumbnails { display:grid;grid-template-columns:repeat(7,1fr);gap:5px;padding:7px 22px 10px;background:var(--paper);border-top:1px solid var(--line); }.find-thumbnails button { min-width:0;height:48px;padding:2px;border:1px solid transparent;background:rgba(255,255,255,.4);cursor:pointer; }.find-thumbnails button.active { border-color:var(--cinnabar); }.find-thumbnails img { width:100%;height:100%;object-fit:contain;filter:saturate(.6); }.find-thumbnails button.active img { filter:none; }
.timeline-task { position:absolute;inset:0;padding:92px 54px 38px;display:grid;grid-template-rows:1fr auto;gap:30px;background:linear-gradient(140deg,#e7e5db,#f4f0e7); }.timeline-scene { display:flex;align-items:end;gap:22px;overflow:hidden; }.timeline-node { position:relative;flex:1;height:calc(35% + var(--h)*.55%);min-height:120px;border-left:1px solid var(--line-strong);padding:0 12px 18px;display:flex;align-items:end; }.timeline-node b { font:500 13px var(--serif); }.timeline-node span { position:absolute;left:12px;bottom:48px;color:var(--cinnabar);font:30px var(--latin); }.timeline-node.active { background:linear-gradient(0deg,rgba(119,146,134,.18),transparent);border-color:var(--jade); }
.timeline-control { display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;font-size:10px;color:var(--muted); }.timeline-control input { accent-color:var(--cinnabar);width:100%; }
.compose-task { position:absolute;inset:0;display:grid;grid-template-columns:1fr 230px;background:#e7e1d7; }.compose-view { display:grid;place-items:center; }.compose-svg { width:min(80%,480px);height:auto;filter:drop-shadow(0 12px 30px rgba(64,53,45,.09)); }.compose-controls { padding:88px 25px 25px;border-left:1px solid var(--line);background:rgba(249,246,238,.72); }.compose-controls label { display:grid;gap:8px;margin-bottom:25px;color:var(--muted);font-size:11px; }.compose-controls input { width:100%;accent-color:var(--lotus); }
.carrier-task { position:absolute;inset:0;padding:86px 34px 30px;background:#e8e4da; }.carrier-patterns { display:flex;gap:12px;margin-bottom:25px; }.drag-pattern { width:74px;height:74px;padding:7px;border:1px solid var(--line);background:var(--ivory);cursor:grab; }.drag-pattern img { width:100%;height:100%;object-fit:contain; }.carrier-targets { display:grid;grid-template-columns:repeat(4,1fr);gap:14px;height:calc(100% - 105px); }.carrier-target { position:relative;display:grid;place-items:center;overflow:hidden;border:1px dashed var(--line-strong);background:rgba(255,255,255,.25); }.carrier-target svg { width:76%;height:76%;fill:none;stroke:var(--ink-soft);stroke-width:2;opacity:.7; }.carrier-target b { position:absolute;bottom:16px;font:500 12px var(--serif); }.carrier-target.valid { border-style:solid;border-color:var(--jade);background:rgba(96,125,114,.12); }.carrier-target.invalid { border-style:solid;border-color:var(--clay);background:rgba(170,118,92,.12); }.carrier-result { position:absolute;left:34px;right:34px;bottom:12px;padding:10px 14px;background:var(--ink);color:white;font-size:11px;transform:translateY(140%);transition:.3s; }.carrier-result.show { transform:translateY(0); }
.meaning-task { position:absolute;inset:0;padding:78px 30px 24px;background:var(--silk);overflow:auto; }.meaning-carousel { display:grid;grid-template-columns:42px minmax(0,1fr) 42px;gap:14px;align-items:center; }.meaning-artifact { display:grid;grid-template-columns:170px 1fr;gap:24px;min-width:0; }.meaning-artifact img { width:170px;height:158px;object-fit:contain;background:rgba(255,255,255,.45); }.meaning-artifact h3 { margin:8px 0;font:500 19px/1.45 var(--serif); }.meaning-artifact p { margin:0;color:var(--muted);font-size:11px;line-height:1.65; }.meaning-artifact small { display:block;margin-top:10px;color:var(--cinnabar);font-size:9px;letter-spacing:.08em; }.meaning-arrow { width:40px;height:40px;border:1px solid var(--line-strong);border-radius:50%;background:rgba(255,255,255,.28);cursor:pointer;transition:.25s; }.meaning-arrow:hover { color:var(--cinnabar);border-color:var(--cinnabar);transform:scale(1.05); }.meaning-thumbnails { display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;margin:14px 0 17px; }.meaning-thumbnails button { min-width:0;padding:4px;border:1px solid transparent;background:rgba(255,255,255,.28);cursor:pointer; }.meaning-thumbnails button.active { border-color:var(--cinnabar);background:rgba(255,255,255,.65); }.meaning-thumbnails img { display:block;width:100%;height:42px;object-fit:contain; }.meaning-thumbnails span { display:block;overflow:hidden;margin-top:3px;color:var(--muted);font-size:8px;white-space:nowrap;text-overflow:ellipsis; }.meaning-options { display:flex;flex-wrap:wrap;gap:8px; }.meaning-options button { padding:8px 13px;border:1px solid var(--line-strong);background:transparent;cursor:pointer;font-size:10px; }.meaning-options button.correct { border-color:var(--jade);background:var(--jade);color:white; }.meaning-options button.wrong { border-color:var(--clay);color:var(--clay); }.meaning-explanation { margin-top:13px;padding-top:12px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:11px;line-height:1.7; }
.rebirth-task { position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;background:#e3ddd3; }.rebirth-source,.rebirth-output { display:grid;place-items:center;padding:80px 30px 30px; }.rebirth-source { border-right:1px solid var(--line); }.rebirth-source img { max-width:75%;max-height:72%;object-fit:contain; }.rebirth-output .mini-lotus { width:70%;aspect-ratio:1; }.rebirth-caption { position:absolute;bottom:24px;left:30px;right:30px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted); }

/* evidence visualization */
.evidence-views { background: var(--ink); color: #f3eee4; }
.evidence-views .section-heading > p,.evidence-views .eyebrow { color:#aebeb6; }.evidence-tabs { display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px; }.evidence-tabs button { padding:9px 16px;border:1px solid rgba(232,239,234,.18);background:transparent;color:#d7ded8;cursor:pointer;font-size:11px; }.evidence-tabs button.active { background:#e6e1d6;color:var(--ink);border-color:#e6e1d6; }
.visualization { min-height:440px;border-top:1px solid rgba(240,240,230,.18);padding-top:32px; }
.bar-viz { display:grid;grid-template-columns:repeat(var(--cols,10),minmax(62px,1fr));align-items:end;gap:12px;height:370px;overflow-x:auto;padding-bottom:34px; }.bar-item { position:relative;height:calc(var(--value) * 1%);min-height:8px;background:linear-gradient(180deg,#a9bdb3,#668276);cursor:pointer;transition:filter .25s; }.bar-item:hover { filter:brightness(1.2); }.bar-item b { position:absolute;bottom:calc(100% + 8px);left:0;font:14px var(--latin); }.bar-item span { position:absolute;top:calc(100% + 10px);left:0;width:90px;color:#b9c2bd;font-size:10px;transform:rotate(38deg);transform-origin:left top; }
.bubble-viz { display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;min-height:380px; }.bubble { width:calc(76px + var(--size)*1.8px);height:calc(76px + var(--size)*1.8px);max-width:230px;max-height:230px;display:grid;place-items:center;text-align:center;border:1px solid rgba(232,238,232,.38);border-radius:50%;background:rgba(159,180,170,.08); }.bubble b { display:block;font:22px var(--latin); }.bubble span { font-size:11px;color:#c2ccc6; }
.tree-viz { display:grid;grid-template-columns:180px 1fr;gap:35px;min-height:390px;align-items:center; }.tree-root { display:grid;place-items:center;width:160px;aspect-ratio:1;border:1px solid #9fb2a8;border-radius:50%;font:24px var(--serif); }.tree-branches { display:grid;gap:11px; }.tree-branch { display:grid;grid-template-columns:150px 1fr 60px;gap:14px;align-items:center; }.tree-branch span { font-size:11px;color:#bdc7c1; }.tree-branch i { display:block;height:18px;width:var(--width);background:linear-gradient(90deg,#6d887c,#9d89a4); }.tree-branch b { font:17px var(--latin); }
.matrix-viz { display:grid;grid-template-columns:160px repeat(var(--cols),1fr);border-top:1px solid rgba(255,255,255,.14);border-left:1px solid rgba(255,255,255,.14);overflow:auto; }.matrix-viz > * { min-height:52px;display:grid;place-items:center;padding:8px;border-right:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14);font-size:10px; }.matrix-viz .cell { background:rgba(132,163,150,var(--alpha));font:15px var(--latin); }
.links-viz { position:relative;min-height:410px;overflow:hidden; }.link-node { position:absolute;display:grid;place-items:center;width:110px;height:110px;border:1px solid rgba(200,213,204,.4);border-radius:50%;text-align:center;font-size:11px;background:rgba(255,255,255,.03); }.link-node b { font:20px var(--latin); }.link-line { position:absolute;height:1px;background:rgba(180,198,188,.3);transform-origin:left; }
.rich-viz { position:relative;min-height:500px;overflow:hidden; }.rich-viz>svg { display:block;width:100%;height:auto;min-height:420px;overflow:visible; }.viz-hotspot { cursor:pointer;transition:opacity .25s,filter .25s,stroke-opacity .25s,transform .25s; }.has-viz-focus .viz-hotspot { opacity:.18; }.has-viz-focus .viz-hotspot.is-focused { opacity:1;filter:brightness(1.16); }.viz-readout { position:absolute;left:0;bottom:0;display:flex;align-items:baseline;gap:18px;max-width:80%;padding:12px 16px;border-left:2px solid var(--cinnabar);background:rgba(29,44,43,.86);backdrop-filter:blur(8px); }.viz-readout b { font:500 14px var(--serif); }.viz-readout span { color:#aebbb4;font-size:10px;line-height:1.6; }.viz-legend { position:absolute;right:0;bottom:5px;display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap;max-width:55%; }.viz-legend span { display:flex;align-items:center;gap:5px;color:#bec9c2;font-size:8px; }.viz-legend i { width:8px;height:8px;border-radius:50%; }
.river-guides line { stroke:rgba(235,240,236,.09);stroke-width:1; }.stream-layer { fill-opacity:.78;stroke:rgba(247,245,238,.16);stroke-width:1;transform-origin:center;animation:riverReveal .9s ease both; }.stream-layer:nth-child(2n) { animation-delay:.08s; }.stream-layer.is-focused { fill-opacity:1; }.viz-axis text,.river-label { fill:#c0cbc5;font:10px var(--sans); }.viz-axis text { letter-spacing:.08em; }
@keyframes riverReveal { from { opacity:0;transform:scaleY(.12); } to { opacity:1;transform:scaleY(1); } }
.map-silhouette { fill:rgba(225,233,228,.05);stroke:rgba(196,210,202,.38);stroke-width:1.3; }.map-river { fill:none;stroke:rgba(119,157,164,.35);stroke-width:3;stroke-dasharray:5 8;animation:dashDrift 10s linear infinite; }.map-node circle:first-child { fill:rgba(139,171,156,.16);stroke:#9db8aa;stroke-width:1.2;transition:.3s; }.map-node circle:nth-child(2) { fill:#d3a17e; }.map-node text { fill:#d4ded8;font:10px var(--sans); }.map-node .map-value { font:16px var(--latin); }.map-node:hover circle:first-child { fill:rgba(139,171,156,.32);stroke:#d4b092; }.schematic-note { position:absolute;right:6px;top:8px;color:#8e9c95;font-size:8px;letter-spacing:.08em; }
@keyframes dashDrift { to { stroke-dashoffset:-100; } }
.sankey-flow path,.meaning-flow path,.orbit-link,.network-arc { fill:none;stroke-linecap:round;stroke-opacity:.52;transition:stroke-opacity .25s; }.sankey-flow.is-focused path,.meaning-flow.is-focused path,.orbit-link.is-focused,.network-arc.is-focused { stroke-opacity:1; }.sankey-node rect { fill:#253d39;stroke:rgba(209,222,214,.42); }.sankey-node text { fill:#e1e7e3;font:9px var(--sans); }.sankey-node.root rect { fill:#7b6b84; }.sankey-headings,.river-headings { position:absolute;left:3%;right:4%;top:8px;display:grid;grid-template-columns:repeat(4,1fr);color:#89978f;font-size:8px;letter-spacing:.16em;text-transform:uppercase; }.river-headings { grid-template-columns:1fr 1fr 1fr; }
.orbit-guide { fill:none;stroke:rgba(207,220,213,.15);stroke-dasharray:3 7; }.orbit-node circle { fill:#203734;stroke:rgba(203,218,210,.4); }.orbit-node text { fill:#dfe6e1;font:8px var(--sans); }.orbit-node.inner circle { fill:#74647c; }.orbit-node.inner { cursor:pointer; }.network-node circle { fill:#213936;stroke:rgba(205,219,212,.44); }.network-node text { fill:#a8b9b0;font:7px var(--sans); }.network-node .node-name { fill:#ecf0ed;font:9px var(--serif); }.network-core { fill:#a56d58;opacity:.82; }.core-label { fill:#fff;font:10px var(--serif); }

/* archive */
.archive { background: var(--paper); }
.archive-workbench { display:grid;grid-template-columns:230px minmax(0,1fr) 220px;gap:28px;align-items:start; }
.filters,.research-sidebar { position:sticky;top:88px; }
.filter-head { display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line-strong); }.filter-head b { font:500 17px var(--serif); }.filter-head button { border:0;background:transparent;color:var(--cinnabar);cursor:pointer;font-size:10px; }
.filters label { display:grid;gap:8px;margin-top:19px;color:var(--muted);font-size:10px;letter-spacing:.08em; }
.filters input[type="search"],.filters select { width:100%;min-width:0;padding:10px 4px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);font-size:12px;outline:none; }.filters select { appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 10px) 50%,calc(100% - 6px) 50%;background-size:4px 4px;background-repeat:no-repeat; }
.filters .check-row { display:flex;align-items:center;gap:8px;letter-spacing:0; }.check-row input { accent-color:var(--cinnabar); }
.quality-note { display:flex;gap:12px;margin-top:26px;padding:15px;background:rgba(96,125,114,.1); }.quality-note i { display:grid;place-items:center;width:28px;height:28px;flex:0 0 28px;border:1px solid var(--jade);border-radius:50%;font:12px var(--latin); }.quality-note p { margin:0; }.quality-note b,.quality-note span { display:block;font-size:10px;line-height:1.6; }.quality-note span { color:var(--muted);margin-top:4px; }
.archive-toolbar { display:flex;align-items:center;justify-content:space-between;margin-bottom:22px; }.view-switch { display:flex;border:1px solid var(--line); }.view-switch button { padding:9px 14px;border:0;border-right:1px solid var(--line);background:transparent;cursor:pointer;font-size:10px; }.view-switch button:last-child { border:0; }.view-switch button.active { background:var(--ink);color:white; }.archive-toolbar p { margin:0;color:var(--muted);font-size:10px; }.archive-toolbar p b { color:var(--ink);font:22px var(--latin); }
.archive-grid { display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px; }
.archive-card { position:relative;min-width:0;background:rgba(251,248,241,.75);border:1px solid var(--line);cursor:pointer;transition:transform .3s,box-shadow .3s;overflow:hidden; }.archive-card:hover { transform:translateY(-4px);box-shadow:0 16px 40px rgba(55,47,39,.09); }.archive-card-image { position:relative;height:210px;display:grid;place-items:center;overflow:hidden;background:#e6e2d9; }.archive-card-image img { width:100%;height:100%;object-fit:contain;transition:transform .6s; }.archive-card:hover .archive-card-image img { transform:scale(1.035); }.archive-card-image.no-image::after { content:"暂无本地图片";color:var(--muted);font:11px var(--serif);letter-spacing:.1em; }
.archive-card-body { padding:16px; }.archive-card-meta { display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:9px;letter-spacing:.08em; }.archive-card h3 { margin:10px 0 12px;min-height:48px;font:500 15px/1.65 var(--serif); }.archive-card-tags { display:flex;gap:6px;flex-wrap:wrap; }.archive-card-tags span { padding:4px 6px;border:1px solid var(--line);color:var(--ink-soft);font-size:9px; }.relation-badge { position:absolute;z-index:2;top:10px;right:10px;padding:5px 7px;background:var(--jade);color:white;font:9px var(--sans);letter-spacing:.08em; }
.pattern-card .archive-card-image { background:#eeebe3; }.pattern-card .archive-card-image img { width:88%;height:88%;object-fit:contain; }.pattern-card h3 { min-height:auto; }.pattern-status { color:var(--muted);font-size:10px;line-height:1.6; }
.load-more { width:100%;margin-top:24px;padding:14px;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:11px; }.load-more:hover { border-color:var(--ink);color:var(--ink); }.load-more[hidden] { display:none; }
.research-sidebar { padding:22px;background:rgba(251,248,241,.76);border-top:2px solid var(--ink); }.research-sidebar h3 { margin:8px 0 28px;font:500 18px var(--serif); }.live-total { display:flex;align-items:end;gap:9px;padding-bottom:18px;border-bottom:1px solid var(--line); }.live-total b { font:46px/.8 var(--latin); }.live-total span { color:var(--muted);font-size:10px; }.mini-stats { margin:18px 0;display:grid;gap:13px; }.mini-stat { display:grid;grid-template-columns:62px 1fr 28px;gap:8px;align-items:center;font-size:9px; }.mini-stat i { height:5px;background:var(--jade-light); }.mini-stat b { font:12px var(--latin);text-align:right; }.source-coverage { display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:9px; }.source-coverage b { color:var(--ink); }
.research-sidebar textarea { width:100%;min-height:160px;margin-top:20px;padding:12px;border:1px solid var(--line);resize:vertical;background:rgba(255,255,255,.4);font:12px/1.7 var(--serif); }.research-sidebar > small { display:block;margin-top:8px;color:var(--muted);font-size:9px; }
.timeline-list { grid-column:1/-1;display:grid;gap:0; }.timeline-row { display:grid;grid-template-columns:110px 1fr 70px;gap:18px;align-items:center;min-height:62px;border-bottom:1px solid var(--line);cursor:pointer; }.timeline-row:hover { background:rgba(255,255,255,.35); }.timeline-row span { font:15px var(--serif); }.timeline-row i { height:12px;width:var(--width);background:linear-gradient(90deg,var(--jade),var(--lotus)); }.timeline-row b { font:20px var(--latin);text-align:right; }
.relation-list { grid-column:1/-1;display:grid;gap:10px; }.relation-row { display:grid;grid-template-columns:1fr 44px 1fr 64px;gap:10px;align-items:center;padding:15px;border:1px solid var(--line);background:rgba(255,255,255,.25);cursor:pointer; }.relation-row > span { font:13px/1.5 var(--serif); }.relation-row .edge { height:1px;background:var(--line-strong);position:relative; }.relation-row .edge::after { content:"";position:absolute;right:0;top:-3px;border-left:5px solid var(--line-strong);border-top:3px solid transparent;border-bottom:3px solid transparent; }.grade { justify-self:end;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1px solid var(--jade);font:12px var(--latin); }.grade.b { border-color:var(--lotus);color:var(--lotus); }

/* laboratory */
.laboratory { background:#e7e1d6; }
.lab-shell { display:grid;grid-template-columns:110px minmax(0,1fr) 290px;min-height:670px;border:1px solid var(--line-strong);background:var(--paper); }
.lab-tools { border-right:1px solid var(--line); }.lab-tools button { width:100%;padding:22px 10px;border:0;border-bottom:1px solid var(--line);background:transparent;cursor:pointer;font:15px var(--serif); }.lab-tools i { display:block;margin-bottom:8px;color:var(--muted);font:9px var(--latin); }.lab-tools button.active { background:var(--ink);color:white; }.lab-tools button.active i { color:#bfc9c3; }
.lab-canvas { position:relative;overflow:hidden;min-width:0;background-color:#eeebe3;background-image:linear-gradient(rgba(50,72,66,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(50,72,66,.06) 1px,transparent 1px);background-size:32px 32px; }
.lab-evidence { padding:30px 24px;border-left:1px solid var(--line);background:rgba(250,247,240,.8);overflow:auto; }.lab-evidence h3 { margin:10px 0 20px;font:500 20px var(--serif); }.lab-evidence dl { margin:0; }.lab-evidence dl div { padding:12px 0;border-bottom:1px solid var(--line); }.lab-evidence dt { color:var(--muted);font-size:9px;letter-spacing:.1em; }.lab-evidence dd { margin:6px 0 0;font:12px/1.7 var(--serif); }.lab-evidence select { width:100%;padding:10px;border:1px solid var(--line);background:transparent;font-size:11px; }
.dissect-view { position:absolute;inset:0;display:grid;place-items:center; }.dissect-center { position:relative;width:min(72%,540px);aspect-ratio:1; }.dissect-center > img { position:absolute;inset:11%;width:78%;height:78%;object-fit:contain;filter:grayscale(.3) sepia(.25); }.anatomy-label { position:absolute;padding:7px 10px;background:rgba(248,245,237,.9);border:1px solid var(--line);font-size:10px;cursor:pointer; }.anatomy-label::after { content:"";position:absolute;height:1px;width:56px;background:var(--line-strong); }.anatomy-label.a { top:12%;left:0; }.anatomy-label.a::after { left:100%;top:50%; }.anatomy-label.b { top:48%;right:0; }.anatomy-label.b::after { right:100%;top:50%; }.anatomy-label.c { bottom:11%;left:8%; }.anatomy-label.c::after { left:100%;top:50%; }.anatomy-label.active { border-color:var(--cinnabar);color:var(--cinnabar); }
.compare-view { position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr; }.compare-pane { position:relative;display:grid;place-items:center;overflow:hidden;border-right:1px solid var(--line); }.compare-pane:last-child { border:0; }.compare-pane img { max-width:82%;max-height:78%;object-fit:contain; }.compare-pane span { position:absolute;left:20px;top:20px;color:var(--jade);font:10px var(--sans);letter-spacing:.12em; }.compare-divider { position:absolute;z-index:3;top:0;bottom:0;left:50%;width:1px;background:var(--cinnabar); }
.source-view { position:absolute;inset:0;padding:50px;display:flex;align-items:center;overflow:auto; }.source-chain { display:flex;align-items:center;gap:18px;min-width:max-content; }.source-node { width:170px;min-height:220px;padding:13px;background:rgba(255,255,255,.5);border:1px solid var(--line); }.source-node img { width:100%;height:140px;object-fit:contain; }.source-node b { display:block;margin-top:11px;font:13px/1.5 var(--serif); }.source-node span { color:var(--muted);font-size:9px; }.source-arrow { width:45px;height:1px;background:var(--line-strong); }
.restore-view { position:absolute;inset:0;display:grid;grid-template-columns:1fr 180px; }.puzzle-board { position:relative;margin:50px;border:1px dashed var(--line-strong); }.puzzle-piece { position:absolute;width:44%;height:44%;overflow:hidden;background:var(--ivory);border:1px solid var(--line);cursor:grab;transition:transform .3s; }.puzzle-piece img { width:200%;height:200%;max-width:none;object-fit:contain; }.puzzle-piece:nth-child(1){left:4%;top:4%;}.puzzle-piece:nth-child(1) img{object-position:0 0;}.puzzle-piece:nth-child(2){right:4%;top:4%;transform:rotate(11deg);}.puzzle-piece:nth-child(2) img{transform:translateX(-50%);}.puzzle-piece:nth-child(3){left:4%;bottom:4%;transform:rotate(-8deg);}.puzzle-piece:nth-child(3) img{transform:translateY(-50%);}.puzzle-piece:nth-child(4){right:4%;bottom:4%;}.puzzle-piece:nth-child(4) img{transform:translate(-50%,-50%);}.puzzle-tray { padding:50px 18px;border-left:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.8; }.puzzle-tray button { margin-top:20px;width:100%;padding:10px;border:1px solid var(--line-strong);background:transparent;cursor:pointer; }
.remix-view { position:absolute;inset:0;display:grid;place-items:center; }.remix-view .mini-lotus { width:min(70%,500px);aspect-ratio:1; }

/* workshop */
.workshop { background:var(--ivory); }
.experiment-label { margin:-52px 0 28px;padding:10px 14px;width:max-content;max-width:100%;border:1px solid var(--cinnabar);color:var(--cinnabar);font-size:9px;letter-spacing:.15em; }
.designer { display:grid;grid-template-columns:290px minmax(400px,1fr) minmax(280px,.7fr);min-height:820px;border:1px solid var(--line); }
.designer-controls { padding:26px 22px;background:var(--paper);overflow:auto; }.designer-controls > label { display:grid;gap:8px;margin-bottom:17px;color:var(--muted);font-size:10px; }.designer-controls label span { display:flex;justify-content:space-between; }.designer-controls label b { color:var(--ink);font:13px var(--latin); }.designer-controls input { width:100%;accent-color:var(--lotus); }.designer-controls select { width:100%;padding:9px;border:1px solid var(--line);background:rgba(255,255,255,.35);color:var(--ink);font-size:10px; }.designer-controls fieldset { margin:20px 0;padding:0;border:0; }.designer-controls legend { margin-bottom:10px;color:var(--muted);font-size:10px; }
.motif-source-preview { display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;margin:4px 0 16px;padding:9px;border:1px solid var(--line);background:rgba(255,255,255,.35); }.motif-source-preview>div { min-width:0; }.motif-source-preview img { width:100%;height:72px;object-fit:contain; }.motif-source-preview span { display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:8px;text-align:center; }.motif-source-preview i { color:var(--cinnabar);font-style:normal; }
.composition-switch { display:grid;grid-template-columns:1fr 1fr;gap:6px; }.composition-switch button { padding:8px 3px;border:1px solid var(--line);background:transparent;cursor:pointer;font-size:9px; }.composition-switch button.active { background:var(--lotus);border-color:var(--lotus);color:white; }
.palette { display:flex;gap:8px; }.palette button { width:30px;height:30px;border:2px solid transparent;border-radius:50%;background:var(--swatch);cursor:pointer; }.palette button.active { border-color:var(--ink);box-shadow:inset 0 0 0 3px var(--paper); }
.mockup-switch { display:grid;grid-template-columns:1fr 1fr;gap:7px; }.mockup-switch button { padding:8px 4px;border:1px solid var(--line);background:transparent;cursor:pointer;font-size:10px; }.mockup-switch button.active { background:var(--ink);color:white; }
.design-stage { position:relative;display:grid;place-items:center;overflow:hidden;background:#e8e4db; }.design-grid { position:absolute;inset:0;background-image:linear-gradient(rgba(45,67,60,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(45,67,60,.07) 1px,transparent 1px);background-size:40px 40px; }.design-stage svg { position:relative;width:min(82%,620px);height:auto;filter:drop-shadow(0 18px 30px rgba(52,46,40,.1)); }.design-caption { position:absolute;left:22px;right:22px;bottom:18px;display:flex;justify-content:space-between;color:var(--muted);font-size:9px;letter-spacing:.12em; }.design-caption b { color:var(--ink); }
.mockup-stage { position:relative;padding:30px;display:grid;place-items:center;background:#ddd7cc;overflow:hidden; }.mockup-object { position:relative;width:78%;aspect-ratio:1;background:#f1ede4;box-shadow:0 24px 45px rgba(45,38,31,.18);transform:rotate(3deg);overflow:hidden;transition:.4s; }.mockup-object > div { width:100%;height:100%;background-position:center;background-size:54%;background-repeat:repeat; }.mockup-stage[data-mockup="box"] .mockup-object { width:72%;aspect-ratio:1.25;border-radius:3px;transform:perspective(600px) rotateY(-10deg) rotateX(4deg);box-shadow:22px 24px 0 #aaa294,0 30px 45px rgba(44,38,31,.18); }.mockup-stage[data-mockup="poster"] .mockup-object { width:68%;aspect-ratio:.7;transform:rotate(-2deg); }.mockup-stage[data-mockup="wallpaper"] .mockup-object { width:55%;aspect-ratio:.52;border:7px solid #202927;border-radius:24px;transform:none; }.mockup-stage > p { position:absolute;left:22px;right:22px;bottom:18px;display:flex;justify-content:space-between;margin:0;font-size:9px;letter-spacing:.08em; }.mockup-stage p b { color:var(--cinnabar); }
.mini-lotus { display:block; }

/* method/footer */
.method { background:var(--paper-deep);border-top:1px solid var(--line); }.method-grid { display:grid;grid-template-columns:1fr .8fr;gap:9vw; }.method h2 { margin:0;font:400 clamp(40px,5vw,68px)/1.4 var(--serif); }.method-grid p { margin:0 0 22px;color:var(--ink-soft);font:16px/2 var(--serif); }.grade-legend { display:flex;gap:18px;flex-wrap:wrap;margin-top:30px; }.grade-legend span { display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px; }.grade-legend i { display:grid;place-items:center;width:25px;height:25px;border:1px solid var(--line-strong);border-radius:50%;font:11px var(--latin); }.data-counters { display:grid;grid-template-columns:repeat(4,1fr);margin-top:80px;border-top:1px solid var(--line-strong); }.data-counter { padding:24px 0;border-right:1px solid var(--line); }.data-counter:last-child { border:0; }.data-counter b { display:block;font:48px var(--latin); }.data-counter span { color:var(--muted);font-size:10px;letter-spacing:.1em; }
footer { display:flex;align-items:end;justify-content:space-between;gap:30px;padding:55px 5vw;background:#d9d2c5;border-top:1px solid var(--line); }.footer-mark { display:grid; }.footer-mark span { font:34px var(--serif); }.footer-mark b { font:10px var(--latin);letter-spacing:.2em; }.footer-mark+p,footer a { margin:0;color:var(--muted);font-size:10px;letter-spacing:.08em; }

/* handbook */
.handbook { position:fixed;z-index:210;top:0;right:0;width:min(440px,100vw);height:100dvh;padding:32px;overflow:auto;background:var(--ivory);box-shadow:-30px 0 80px rgba(44,39,34,.17);transform:translateX(105%);transition:transform .45s cubic-bezier(.76,0,.24,1); }.handbook.open { transform:none; }.drawer-scrim { position:fixed;inset:0;z-index:200;background:rgba(25,36,34,.25);backdrop-filter:blur(3px); }.handbook-head { display:flex;justify-content:space-between;align-items:start; }.handbook h2 { margin:8px 0 0;font:400 36px var(--serif); }.handbook-intro { margin:22px 0 28px;color:var(--muted);font:13px/1.8 var(--serif); }.stamp-lotus { position:relative;width:230px;height:230px;margin:20px auto 30px; }.stamp-petal { position:absolute;left:85px;top:18px;width:60px;height:104px;border:1px dashed var(--line-strong);border-radius:100% 0 100% 0;transform-origin:30px 97px;display:grid;place-items:center;color:var(--muted);font-size:9px; }.stamp-petal.completed { border:1px solid var(--cinnabar);background:rgba(166,71,54,.08);color:var(--cinnabar); }.handbook-progress span { font-size:10px;color:var(--muted); }.handbook-progress i { display:block;height:4px;margin:10px 0 35px;background:var(--paper-deep); }.handbook-progress b { display:block;width:0;height:100%;background:var(--cinnabar);transition:.4s; }.handbook section h3 { margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line);font:500 18px var(--serif); }.notebook-list { margin-bottom:30px; }.notebook-item { display:grid;grid-template-columns:54px 1fr auto;gap:11px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line); }.notebook-item img { width:54px;height:54px;object-fit:contain;background:var(--paper); }.notebook-item b { display:block;font:12px/1.4 var(--serif); }.notebook-item span { color:var(--muted);font-size:9px; }.notebook-item button { border:0;background:transparent;cursor:pointer;color:var(--muted); }.empty-state { padding:30px 0;color:var(--muted);text-align:center;font:12px var(--serif); }.handbook .text-button { margin-top:10px; }

/* dialogs */
dialog { color:var(--ink); }.detail-dialog,.method-dialog { width:min(1120px,92vw);max-height:90dvh;padding:0;border:0;background:var(--ivory);box-shadow:var(--shadow); }.method-dialog { width:min(680px,92vw);padding:50px; }.detail-dialog::backdrop,.method-dialog::backdrop { background:rgba(33,42,39,.47);backdrop-filter:blur(5px); }.dialog-close { position:absolute;z-index:10;right:18px;top:18px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:rgba(248,245,238,.8);cursor:pointer;font-size:24px; }.detail-layout { display:grid;grid-template-columns:minmax(0,1.06fr) minmax(340px,.94fr);min-height:680px; }.detail-media { position:relative;display:grid;place-items:center;min-height:680px;padding:60px;background:#e2ded5; }.detail-media > img { max-width:100%;max-height:550px;object-fit:contain; }.detail-location { position:absolute;left:25px;bottom:22px;padding:8px 12px;background:rgba(250,247,239,.88);font-size:10px; }.detail-info { padding:58px 48px;overflow:auto;max-height:90dvh; }.detail-info h2 { margin:10px 0 14px;font:500 34px/1.4 var(--serif); }.detail-info > p { margin:0;color:var(--muted);font-size:11px; }.detail-fields { display:grid;grid-template-columns:1fr 1fr;margin-top:28px;border-top:1px solid var(--line); }.detail-field { padding:15px 10px 15px 0;border-bottom:1px solid var(--line); }.detail-field span { display:block;color:var(--muted);font-size:9px;letter-spacing:.08em; }.detail-field b { display:block;margin-top:6px;font:500 12px/1.5 var(--serif); }.related-patterns { margin-top:28px; }.related-patterns h3 { font:500 17px var(--serif); }.related-strip { display:flex;gap:10px;overflow:auto; }.related-pattern { flex:0 0 105px;padding:8px;border:1px solid var(--line);background:var(--paper);cursor:pointer; }.related-pattern img { width:87px;height:87px;object-fit:contain; }.related-pattern b { display:block;margin-top:6px;font:10px var(--sans); }.source-button { margin-top:26px; }.method-dialog h2 { margin:12px 0 24px;font:400 36px var(--serif); }.method-dialog p { color:var(--ink-soft);font:14px/1.9 var(--serif); }.policy-counts { display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px; }.policy-counts div { padding:15px;border:1px solid var(--line); }.policy-counts b { display:block;font:30px var(--latin); }.policy-counts span { color:var(--muted);font-size:9px; }
.toast { position:fixed;z-index:400;left:50%;bottom:30px;padding:12px 18px;background:var(--ink);color:white;font-size:11px;letter-spacing:.05em;transform:translate(-50%,120px);opacity:0;transition:.35s; }.toast.show { transform:translate(-50%,0);opacity:1; }

@media (max-width: 1180px) {
  .gallery-orbit { grid-template-columns:repeat(2,1fr); }.gallery-card:nth-child(2),.gallery-card:nth-child(5){transform:none}.gallery-card:nth-child(2):hover,.gallery-card:nth-child(5):hover{transform:translateY(-8px)}
  .hall { min-height:auto;padding-bottom:220px}.orbit-center{bottom:18px}
  .archive-workbench { grid-template-columns:210px 1fr; }.research-sidebar { grid-column:1/-1;position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px; }.research-sidebar textarea { grid-column:1/-1; }.archive-grid{grid-template-columns:repeat(2,1fr)}
  .designer { grid-template-columns:230px 1fr; }.mockup-stage { grid-column:1/-1;min-height:480px; }.mockup-object { width:min(45%,420px); }
}
@media (max-width: 900px) {
  body { padding-bottom:58px; }
  .site-header { grid-template-columns:1fr auto; }
  .main-nav { position:fixed;z-index:95;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:rgba(247,243,235,.96);backdrop-filter:blur(16px);border-top:1px solid var(--line); }
  .main-nav a { padding:17px 4px;text-align:center;font-size:10px; }
  .main-nav a::after { bottom:9px; }
  .hero { grid-template-columns:1fr;min-height:auto;padding-top:130px; }.hero-copy{padding-left:4vw}.hero-copy h1{font-size:clamp(100px,28vw,180px)}.object-stage{width:90vw;height:70vh}.hero-object{min-height:720px}.hero::before{background:linear-gradient(160deg,#f8f4ec 0 42%,#e8e3d9 42%)}
  .intro-grid,.section-heading,.method-grid { grid-template-columns:1fr; }.section-heading{gap:25px}.research-route{grid-template-columns:1fr 1fr;gap:30px}
  .theme-panel { grid-template-columns:1fr; }.theme-story{border-right:0;border-bottom:1px solid var(--line)}.theme-nav{overflow:auto;grid-template-columns:repeat(6,110px)}
  .task-console,.theme-panel { min-height:580px }.task-console{height:580px}.compose-task{grid-template-columns:1fr 190px}
  .archive-workbench { grid-template-columns:1fr; }.filters,.research-sidebar{position:static}.filters{display:grid;grid-template-columns:1fr 1fr;gap:12px}.filter-head,.quality-note{grid-column:1/-1}.filters label{margin-top:0}.archive-grid{grid-template-columns:repeat(2,1fr)}
  .lab-shell{grid-template-columns:82px 1fr}.lab-evidence{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}.lab-canvas{min-height:600px}
  .designer{grid-template-columns:1fr}.designer-controls{display:grid;grid-template-columns:1fr 1fr;gap:18px}.designer-controls>label,.designer-controls fieldset{margin:0}.designer-controls .primary-button{align-self:end}.design-stage{min-height:660px}.mockup-stage{grid-column:auto}
  .detail-layout{grid-template-columns:1fr}.detail-media{min-height:480px}.detail-info{max-height:none}
}
@media (max-width: 640px) {
  .site-header{height:66px;padding:0 18px}.handbook-button span{display:none}
  .section{padding:80px 20px}.section-heading h2{font-size:44px}.hero{padding:100px 20px 50px}.hero-copy{padding:0}.hero-copy .eyebrow{font-size:9px}.hero-subtitle{font-size:25px}.hero-actions{align-items:flex-start;flex-direction:column;gap:8px}.hero-object{min-height:620px}.object-stage{height:590px}.object-stage>img{width:90%}.object-caption{right:3%;bottom:12%;width:190px}.pattern-ghost{width:120px;height:120px}.transform-rail{grid-template-columns:1fr 1fr;bottom:0}.scroll-cue{display:none}
  .research-route{grid-template-columns:1fr}.intro-folio{font-size:70vw}.intro h2{font-size:38px}
  .gallery-orbit{grid-template-columns:1fr}.gallery-card{min-height:390px}.hall{padding-bottom:220px}
  .theme-nav{margin-bottom:30px}.theme-story{padding:34px 24px}.theme-story h2{font-size:65px}.task-console{height:620px}.compose-task{grid-template-columns:1fr}.compose-controls{position:absolute;left:0;right:0;bottom:0;padding:16px;display:grid;grid-template-columns:1fr 1fr;background:rgba(249,246,238,.92);border-left:0;border-top:1px solid var(--line)}.compose-controls label{margin:0}.carrier-targets{grid-template-columns:1fr 1fr}.carrier-patterns{overflow:auto}.meaning-task{padding:78px 22px 20px}.meaning-artifact{grid-template-columns:110px 1fr}.meaning-artifact img{width:110px;height:140px}.rebirth-task{grid-template-columns:1fr}.rebirth-source{border-right:0;border-bottom:1px solid var(--line)}
  .bar-viz{grid-template-columns:repeat(var(--cols,10),70px)}.tree-viz{grid-template-columns:1fr}.tree-root{margin:auto}.tree-branch{grid-template-columns:100px 1fr 45px}
  .filters{grid-template-columns:1fr}.filter-head,.quality-note{grid-column:auto}.archive-grid{grid-template-columns:1fr}.research-sidebar{display:block}.archive-toolbar{align-items:flex-start;gap:15px;flex-direction:column}.view-switch{width:100%;overflow:auto}.view-switch button{flex:1}.archive-card-image{height:260px}
  .lab-shell{grid-template-columns:1fr}.lab-tools{display:grid;grid-template-columns:repeat(5,1fr);border-right:0;border-bottom:1px solid var(--line)}.lab-tools button{padding:13px 2px;font-size:12px;border-bottom:0;border-right:1px solid var(--line)}.lab-canvas{min-height:530px}.compare-view{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.source-view{padding:25px}.restore-view{grid-template-columns:1fr}.puzzle-board{margin:30px}.puzzle-tray{display:none}
  .designer-controls{grid-template-columns:1fr}.design-stage{min-height:500px}.mockup-stage{min-height:450px}.mockup-object{width:76%}
  .data-counters{grid-template-columns:1fr 1fr}.method h2{font-size:38px}footer{align-items:flex-start;flex-direction:column}.footer-mark+p{line-height:1.7}
  .handbook{padding:22px}.detail-media{padding:45px 20px;min-height:380px}.detail-info{padding:40px 24px}.detail-fields{grid-template-columns:1fr}.method-dialog{padding:38px 24px}.policy-counts{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce) {
  html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}