/* ============================================================
   weeeeeeishang — site.css
   Design DNA: C / E / B  →  Exploration · Controlled Mess · Archive
   气质定稿: 2AM 的房间 · 敞开的门 · 墙上的涂鸦
   See docs/DESIGN-DNA.md. Anything added here must survive the
   FORBIDDEN list in that file.
   ============================================================ */

:root{
  /* ---- ink ---- */
  --ink:      #0E0D0B;
  --ink-2:    #16150E;
  --ink-3:    #201E16;

  /* ---- paper ---- */
  --paper:    #E9E3D6;
  --paper-2:  #D8D1C1;
  --paper-3:  #BFB8A6;

  /* ---- gray ---- */
  --gray:     #6E6A61;
  --gray-2:   #3A3833;

  /* ---- the ONE accent: 印泥红 ---- */
  --stamp:    #D6452A;

  /* ---- derived ---- */
  --tx:       rgba(233,227,214,.90);
  --tx-2:     rgba(233,227,214,.46);
  --tx-3:     rgba(233,227,214,.26);
  --line:     rgba(233,227,214,.13);
  --line-2:   rgba(233,227,214,.28);

  /* ---- type ---- */
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial,
          "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "SimSun", "Noto Serif CJK SC", Georgia, serif;

  /* ---- rhythm (strict. the mess sits ON TOP of this.) ---- */
  --u: 8px;
  --gut: clamp(20px, 4.5vw, 64px);
  --ease: cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--ink);
  color:var(--tx);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* 极弱的暖色屏幕光 + 暗角。不是渐变背景，是"房间里有台亮着的显示器"。 */
body::before{
  content:'';
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(680px 420px at 78% 12%, rgba(214,69,42,.055), transparent 70%),
    radial-gradient(900px 700px at 12% 88%, rgba(233,227,214,.030), transparent 72%);
}
body::after{
  content:'';
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background:radial-gradient(120% 90% at 50% 45%, transparent 40%, rgba(0,0,0,.55) 100%);
}

main{ position:relative; z-index:2; }

/* ---------- grain ---------- */
.grain{
  position:fixed; inset:-60%; z-index:9998; pointer-events:none;
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px 200px;
}

/* ---------- links ---------- */
a{ color:inherit; text-decoration:none; }

/* ---------- tiny mono helpers ---------- */
.mono, .hud, .rail, .acthead, .obj__meta, .obj__foot, .scene__cap,
.scene__hint, .objcard, .arch, .note__f, .foot{
  font-family:var(--mono);
  font-weight:400;
}

/* ============================================================
   {待补充} — 空槽位。档案系统知道这里缺一条记录。
   ============================================================ */
.tbd{
  font-family:var(--mono);
  font-size:.92em;
  letter-spacing:.04em;
  color:var(--stamp);
  opacity:.85;
  border-bottom:1px dashed rgba(214,69,42,.5);
  padding:0 .15em;
  white-space:nowrap;
}
.paper .tbd, .objcard .tbd{
  color:var(--stamp);
  border-bottom-color:rgba(214,69,42,.45);
}
.sig__mail.tbd{ font-size:clamp(13px,1.8vw,17px); letter-spacing:.02em; color:var(--tx-2); border-bottom:1px dashed var(--line-2); }
.sig__mail.tbd:hover{ color:var(--stamp); }

/* ============================================================
   HUD — the archive system, always present, barely visible
   ============================================================ */
.hud{
  position:fixed; inset:0; z-index:60; pointer-events:none;
  font-size:10px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--tx-3);
}
.hud > div{ position:absolute; }
.hud__tl{ top:22px; left:var(--gut); }
.hud__tr{ top:22px; right:var(--gut); }
.hud__bl{ bottom:22px; left:var(--gut); }
.hud__br{ bottom:22px; right:var(--gut); transition:opacity .8s var(--ease); }
.hud__br.gone{ opacity:0; }
.hud__tl span{ color:var(--tx-3); margin:0 .35em; }
.hud__tr span{ color:var(--tx-2); }

/* ---------- right rail index ---------- */
.rail{
  position:fixed; z-index:60; right:var(--gut); top:50%;
  transform:translateY(-50%);
  display:flex; flex-direction:column; gap:14px;
  font-size:9px; letter-spacing:.18em; text-transform:uppercase;
}
.rail__i{ display:flex; align-items:center; justify-content:flex-end; gap:8px; color:var(--tx-3); transition:color .4s var(--ease); }
.rail__i i{ display:block; width:10px; height:1px; background:currentColor; transition:width .5s var(--ease), background .4s var(--ease); }
.rail__i span{ display:none; }
.rail__i.is-on{ color:var(--tx-2); }
.rail__i.is-on i{ width:26px; background:var(--stamp); }
.rail__i.is-on span{ display:inline; }

/* ============================================================
   ACT 0 — ENTER / 02:17
   ============================================================ */
.act{ position:relative; padding:0 var(--gut); }

.act--enter{
  min-height:100svh;
  display:grid; place-items:center;
  text-align:center;
  overflow:hidden;
}

.enter{ position:relative; width:100%; max-width:1100px; }

/* 桌子边缘的一条线 —— 不画整个房间，只给一角 */
.deskline{
  position:absolute; left:-10%; right:-10%; bottom:14%;
  height:1px; background:linear-gradient(90deg, transparent, var(--line) 22%, var(--line-2) 50%, var(--line) 78%, transparent);
  transform:rotate(-.5deg);
}
.deskline::after{
  content:''; position:absolute; left:66%; top:0; width:150px; height:1px;
  background:var(--tx-3); transform:rotate(1.6deg); transform-origin:left;
}

.enter__clock{
  font-family:var(--mono); font-weight:300;
  font-size:clamp(28px,5.5vw,54px);
  letter-spacing:.24em; color:var(--tx-2);
  opacity:0; animation:fadeUp 1.6s var(--ease) .25s forwards;
}
.enter__clock::after{
  content:''; display:block; width:56px; height:1px; margin:26px auto 0;
  background:var(--line-2);
}

/* we / wee / weee / weeeee / weeeeee —— 呼吸式生长 */
.enter__stack{
  position:absolute; left:0; right:0; top:clamp(90px,16vh,150px);
  display:flex; flex-direction:column; align-items:center; gap:2px;
  pointer-events:none;
}
.enter__stack span{
  font-family:var(--mono); font-weight:400;
  font-size:calc(14px + var(--i) * 7px);
  letter-spacing:.06em;
  color:var(--tx-2);
  opacity:0; transform:translateY(-8px);
  animation:grow .7s var(--ease) forwards;
  animation-delay:calc(.75s + var(--i) * .18s);
}
.enter__stack.out{
  transition:opacity .7s var(--ease), transform .7s var(--ease), filter .7s var(--ease);
  opacity:0; transform:scale(.92); filter:blur(2px);
}

.enter__name{
  font-family:var(--sans); font-weight:600;
  font-size:clamp(2.1rem, 8.4vw, 7.2rem);
  letter-spacing:-.045em; line-height:.95;
  margin:0; color:var(--paper);
  opacity:0; transform:translateY(10px);
}
.enter__name.in{ animation:reveal 1.5s var(--ease) forwards; }

/* sub + 手写圈圈：名字下面那行字被一支笔圈起来 */
.enter__subwrap{
  position:relative; display:inline-block;
  margin-top:14px; padding:6px 18px;
}
.enter__sub{
  font-family:var(--mono); font-size:10px; letter-spacing:.52em;
  color:var(--tx-3); text-transform:uppercase;
  opacity:0;
}
.enter__sub.in{ animation:fadeUp 1.4s var(--ease) .8s forwards; }

/* 手绘圈 — stroke-dashoffset 描边，局部爆点（替换件: assets/identity/） */
.scribble{
  position:absolute; inset:-18px -34px;
  width:calc(100% + 68px); height:calc(100% + 36px);
  overflow:visible; pointer-events:none;
}
.scribble__path{
  fill:none;
  stroke:var(--stamp);
  stroke-width:2.2;
  stroke-linecap:round;
  opacity:.9;
}
.scribble__path.draw{ animation:drawIn 1.9s var(--ease) forwards; }

.enter__running{
  margin-top:clamp(40px,9vh,86px);
  font-family:var(--mono); font-weight:300; font-size:clamp(12px,1.5vw,15px);
  line-height:1.85; letter-spacing:.06em; color:var(--tx-2);
  opacity:0;
}
.enter__running.in{ animation:fadeUp 1.4s var(--ease) 1.15s forwards; }

.enter__arrow{
  position:absolute; right:2%; bottom:-34%;
  font-size:20px; color:var(--tx-3);
  opacity:0;
}
.enter__arrow.in{ animation:float 4.2s ease-in-out 1.6s infinite, fadeUp 1.2s var(--ease) 1.6s forwards; }

/* ============================================================
   section heads
   ============================================================ */
.acthead{
  display:flex; align-items:baseline; gap:16px;
  padding:clamp(60px,10vh,120px) 0 clamp(30px,5vh,56px);
  font-size:10px; letter-spacing:.2em; text-transform:uppercase; color:var(--tx-3);
}
.acthead__no{ color:var(--stamp); }
.acthead__t{ color:var(--tx); letter-spacing:.3em; }
.acthead__meta{ margin-left:auto; text-align:right; color:var(--tx-3); letter-spacing:.1em; }

/* ============================================================
   ACT 1 — THE ROOM  (scene: 26 parts, 2560×1500 design space)
   ============================================================ */
.scene{
  position:relative;
  width:100%;
  aspect-ratio:2560 / 1500;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-2);
  user-select:none;
}
.scene__bg{
  position:absolute; inset:0; width:100%; height:100%;
  pointer-events:none;
}

/* 分件：百分比定位 + 视差变量。PNG 为 2x，显示即清晰。 */
.rp{
  position:absolute;
  height:auto;
  transform:translate3d(var(--px,0px), var(--py,0px), 0);
  transition:filter .45s var(--ease);
  pointer-events:none;               /* 场景默认整体可拖不可点 */
  -webkit-user-drag:none;
}
/* 可交互件才接事件 */
.rp--hot{
  pointer-events:auto;
  cursor:pointer;
}
.rp--hot:hover, .rp--hot:focus-visible{
  filter:brightness(1.14);
  outline:none;
}
.rp--hot:focus-visible{
  filter:brightness(1.14) drop-shadow(0 0 1px rgba(214,69,42,.6));
}
.rp--flip{ transform:translate3d(var(--px,0px), var(--py,0px), 0) scaleX(-1); }

/* 系统标注：热件上的小 mono 标签 */
.scene__hint{
  position:absolute;
  font-size:clamp(7px,.85vw,11px);
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--tx-3);
  opacity:.65;
  pointer-events:none;
  transition:color .4s var(--ease), opacity .4s var(--ease);
}
.scene__hint::after{
  content:''; display:block; width:1px; height:clamp(12px,2.4vw,34px);
  background:var(--tx-3); opacity:.5; margin:4px auto 0;
}
.scene.is-hot[data-hot="shelf"]  .scene__hint[data-for="shelf"],
.scene.is-hot[data-hot="amp"]    .scene__hint[data-for="amp"],
.scene.is-hot[data-hot="device"] .scene__hint[data-for="device"],
.scene.is-hot[data-hot="note"]   .scene__hint[data-for="note"]{
  color:var(--stamp); opacity:1;
}

.scene__cap{
  display:flex; gap:18px; flex-wrap:wrap; align-items:baseline;
  margin:14px 0 0;
  font-size:10px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--tx-3);
}
.scene__cap > span:first-child{ color:var(--tx-2); }
.scene__cap .tbd{ text-transform:none; }

/* ---------- DEVICE_001 — 房间落到平面层的屏幕 ---------- */
.device{
  max-width:860px;
  margin:clamp(56px,9vh,110px) auto 0 clamp(0px,6vw,120px);
}
.screen{
  position:relative; overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid var(--line-2);
  background:#0A0908;
}
.screen__glow{
  position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(60% 70% at 50% 120%, rgba(214,69,42,.10), transparent 70%);
  animation:breathe 8s ease-in-out infinite;
}
.screen__inner{ position:absolute; inset:0; display:flex; flex-direction:column; }
.screen__code{
  flex:1; margin:0; padding:16px 16px 6px;
  font-family:var(--mono); font-weight:300;
  font-size:clamp(9px,1.05vw,12px); line-height:1.75;
  color:rgba(233,227,214,.62);
  white-space:pre-wrap; overflow:hidden;
}
.screen__bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:8px 14px 10px;
  font-family:var(--mono); font-size:9px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--tx-3);
  border-top:1px solid rgba(233,227,214,.08);
}
.screen:hover .screen__code{ color:rgba(233,227,214,.9); }

.obj__meta{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  font-size:9px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--tx-3); margin-bottom:10px;
}
.obj__meta > span:first-child{ color:var(--tx-2); }
.obj__dot{ width:2px; height:2px; background:var(--tx-3); border-radius:50%; }

.obj__foot{
  display:flex; align-items:baseline; justify-content:space-between; gap:16px;
  margin-top:10px;
  font-size:10px; letter-spacing:.14em; text-transform:uppercase;
}
.obj__title{
  font-family:var(--sans); font-weight:500;
  font-size:clamp(13px,1.5vw,17px); letter-spacing:-.01em; text-transform:none;
  color:var(--paper);
}
.obj__status{ color:var(--tx-3); white-space:nowrap; }
.obj__status[data-status="running"]{ color:var(--tx-2); }

/* ============================================================
   OBJCARD — 点房间里的物件，抽出的档案记录卡
   ============================================================ */
.veil{
  position:fixed; inset:0; z-index:70;
  background:rgba(10,9,8,.55);
  backdrop-filter:blur(2px);
  opacity:0; transition:opacity .45s var(--ease);
}
.veil.show{ opacity:1; }

.objcard{
  position:fixed; z-index:71;
  right:clamp(12px,4vw,64px); bottom:clamp(12px,4vw,64px);
  width:min(420px, calc(100vw - 24px));
  max-height:calc(100svh - 24px);
  overflow-y:auto;
  background:var(--paper);
  color:var(--ink-2);
  padding:0 0 22px;
  box-shadow:0 1px 0 rgba(0,0,0,.4), 0 40px 80px -30px rgba(0,0,0,.95);
  transform:translateY(24px) rotate(.4deg);
  opacity:0; pointer-events:none;
  transition:transform .5s var(--ease), opacity .5s var(--ease);
}
.objcard.show{
  transform:none; opacity:1; pointer-events:auto;
}
/* 纸的纤维 */
.objcard::after{
  content:''; position:sticky; display:block; inset:0; pointer-events:none;
  background:repeating-linear-gradient(0deg, rgba(22,21,15,.018) 0 1px, transparent 1px 4px);
}

.objcard__bar{
  position:sticky; top:0; z-index:2;
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 16px;
  background:var(--paper);
  border-bottom:1px solid rgba(22,21,15,.22);
}
.objcard__id{ font-size:10px; letter-spacing:.2em; color:rgba(22,21,15,.75); }
.objcard__x{
  font-family:var(--mono); font-size:16px; line-height:1;
  background:none; border:0; cursor:pointer;
  color:rgba(22,21,15,.5); padding:2px 6px;
  transition:color .3s var(--ease);
}
.objcard__x:hover{ color:var(--stamp); }

.objcard__body{ display:none; padding:18px 20px 0; }
.objcard__body.on{ display:block; }

.objcard__meta{
  display:flex; gap:10px; flex-wrap:wrap;
  font-size:8.5px; letter-spacing:.16em; text-transform:uppercase;
  color:rgba(22,21,15,.42);
  margin-bottom:12px;
}
.objcard h3{
  margin:0 0 10px;
  font-family:var(--sans); font-weight:600; font-size:22px;
  letter-spacing:-.02em; color:var(--ink-2);
}
.objcard__desc{
  margin:0 0 14px;
  font-family:var(--serif);
  font-size:15px; line-height:1.65; color:rgba(22,21,15,.85);
}
.objcard__desc.dim{ opacity:.55; font-size:13px; }
.objcard code{
  font-family:var(--mono); font-size:.85em;
  background:rgba(22,21,15,.07); padding:1px 5px;
}

.slots{ list-style:none; margin:0 0 16px; padding:0; }
.slots li{
  font-family:var(--mono); font-size:12px; line-height:1.5;
  color:rgba(22,21,15,.65);
  padding:9px 2px;
  border-bottom:1px solid rgba(22,21,15,.14);
}
.slots li:last-child{ border-bottom:0; }

.handwriting{
  font-family:var(--serif); font-style:italic;
  font-size:19px; line-height:1.7;
  margin:0 0 18px; padding:14px 16px;
  border-left:2px solid rgba(214,69,42,.45);
  background:rgba(22,21,15,.035);
  transform:rotate(-.5deg);
}

.objcard__go{
  display:inline-block; margin:4px 0 8px;
  font-family:var(--mono); font-size:10px; letter-spacing:.22em;
  color:var(--stamp);
  border-bottom:1px solid rgba(214,69,42,.4);
  padding-bottom:3px;
  transition:letter-spacing .35s var(--ease);
}
.objcard__go:hover{ letter-spacing:.3em; }

/* VU 表 — 功放卡。无声音时的假呼吸，歌单到位后会跟着真的动 */
.vu{
  display:flex; align-items:flex-end; gap:4px;
  height:34px; margin:4px 0 16px;
  padding:6px 8px;
  border:1px solid rgba(22,21,15,.2);
  background:rgba(22,21,15,.05);
}
.vu i{
  flex:1; max-width:10px;
  height:12%;
  background:rgba(22,21,15,.35);
  transform-origin:bottom;
}
.objcard[data-playing="1"] .vu i{
  background:var(--stamp);
  animation:vu 1.06s ease-in-out infinite alternate;
}
.objcard[data-playing="1"] .vu i:nth-child(2n){ animation-duration:.82s; animation-delay:.12s; }
.objcard[data-playing="1"] .vu i:nth-child(3n){ animation-duration:1.28s; animation-delay:.05s; }
.objcard[data-playing="1"] .vu i:nth-child(4n){ animation-duration:.94s; animation-delay:.2s; }
.objcard[data-playing="1"] .vu i:nth-child(1){ animation-duration:.7s; }

/* ============================================================
   ACT 2 — NOW
   ============================================================ */
.act--now{ padding-bottom:clamp(90px,16vh,200px); }

.now{ position:relative; }

.now__label{
  font-family:var(--mono); font-size:10px; letter-spacing:.42em;
  color:var(--stamp); margin-bottom:clamp(18px,3vh,34px);
}

.now__big{
  margin:0; font-weight:600; letter-spacing:-.045em; line-height:.92;
  display:flex; flex-direction:column;
}
.now__big .l1{ font-size:clamp(2.6rem,10.5vw,9.5rem); color:var(--paper); }
.now__big .l2{ font-size:clamp(1.4rem,5vw,4.4rem); color:var(--tx-2); margin-left:clamp(20px,9vw,190px); margin-top:.12em; }
.now__big .l3{
  font-size:clamp(.95rem,2.6vw,2.1rem); font-weight:400;
  color:var(--gray); margin-top:.5em; margin-left:clamp(0px,3vw,70px);
  letter-spacing:-.02em;
}

.now__side{
  margin-top:clamp(48px,9vh,110px);
  margin-left:auto; max-width:430px;
  display:flex; flex-direction:column; gap:26px;
}
.now__date{
  font-family:var(--mono); font-size:11px; letter-spacing:.28em;
  color:var(--tx-2);
  border-top:1px solid var(--line); padding-top:12px;
}
.now__list{ font-family:var(--mono); }
.now__lt{ font-size:9px; letter-spacing:.24em; text-transform:uppercase; color:var(--tx-3); margin-bottom:12px; }
.now__list ol{ list-style:none; margin:0; padding:0; }
.now__list li{
  display:flex; gap:14px; align-items:baseline;
  font-size:13px; letter-spacing:.01em; color:var(--tx);
  padding:9px 0; border-bottom:1px solid var(--line);
}
.now__list li span:first-child{ font-size:9px; color:var(--tx-3); letter-spacing:.1em; }
.now__list li:last-child{ border-bottom:0; color:var(--tx-3); }

/* ============================================================
   ACT 3 — ARCHIVE
   ============================================================ */
.act--archive{ padding-bottom:clamp(90px,16vh,200px); }

.arch{ font-size:12px; }

.arch__h{
  display:grid; grid-template-columns:120px 1fr 70px 130px;
  gap:16px; padding-bottom:10px;
  font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--tx-3);
  border-bottom:1px solid var(--line-2);
}

.arch__r{
  display:grid; grid-template-columns:120px 1fr 70px 130px;
  gap:16px; align-items:baseline;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:background .4s var(--ease), padding-left .4s var(--ease);
}
.arch__r:hover{ background:rgba(233,227,214,.022); padding-left:10px; }

.arch__r [data-c="type"]{ font-size:9px; letter-spacing:.2em; color:var(--tx-3); text-transform:uppercase; }
.arch__r [data-c="obj"]{
  display:flex; flex-direction:column; gap:5px;
  font-family:var(--sans); font-weight:500; font-size:clamp(15px,2.1vw,24px);
  letter-spacing:-.02em; color:var(--paper);
}
.arch__r [data-c="obj"] em{
  font-family:var(--mono); font-style:normal; font-weight:300;
  font-size:10px; letter-spacing:.08em; color:var(--tx-3);
}
.arch__r [data-c="year"]{ font-size:11px; letter-spacing:.16em; color:var(--tx-3); }
.arch__r [data-c="status"]{
  display:flex; align-items:center; gap:9px;
  font-size:9px; letter-spacing:.2em; color:var(--tx-3);
}

.arch .st{ width:5px; height:5px; border-radius:50%; background:var(--gray); flex:none; }
.arch__r[data-status="alive"]  .st{ background:var(--stamp); animation:breathe 4.5s ease-in-out infinite; }
.arch__r[data-status="running"] .st{ background:var(--paper-3); animation:breathe 2.6s ease-in-out infinite; }
.arch__r[data-status="alive"]  [data-c="status"]{ color:var(--tx-2); }
.arch__r[data-status="failed"] [data-c="status"]{ color:var(--tx-3); }

.arch__note{
  margin:34px 0 0;
  font-size:10px; letter-spacing:.12em; color:var(--tx-3); line-height:2;
}

/* ============================================================
   ACT 4 — THOUGHTS
   ============================================================ */
.act--thoughts{ padding-bottom:clamp(80px,14vh,170px); }

.notes{
  display:grid; grid-template-columns:repeat(12,1fr);
  column-gap:clamp(12px,2vw,28px); row-gap:0;
}
.note{ position:relative; padding:24px 24px 16px; align-self:start; }
.nt--1{ grid-column:1 / 5;  grid-row:1; margin-top:0;    transform:rotate(-1.4deg); }
.nt--2{ grid-column:7 / 11; grid-row:1; margin-top:52px;  transform:rotate(1.1deg); }
.nt--3{ grid-column:3 / 6;  grid-row:2; margin-top:-30px; transform:rotate(2deg); }
.nt--4{ grid-column:8 / 12; grid-row:2; margin-top:24px;  transform:rotate(-.7deg); }

.note__d{
  font-family:var(--mono); font-size:10px; letter-spacing:.2em;
  color:rgba(22,21,15,.42); margin-bottom:14px;
}
.note p{
  font-family:var(--serif);
  font-size:clamp(15px,1.6vw,19px); line-height:1.6;
  margin:0 0 20px; color:var(--ink-2);
}
.note__f{
  font-size:9px; letter-spacing:.14em; text-transform:uppercase;
  color:rgba(22,21,15,.34);
  border-top:1px solid rgba(22,21,15,.14); padding-top:10px;
}
.note{ transition:transform .5s var(--ease); }
.nt--1:hover{ transform:rotate(-1.4deg) translateY(-4px); }
.nt--2:hover{ transform:rotate(1.1deg)  translateY(-4px); }
.nt--3:hover{ transform:rotate(2deg)    translateY(-4px); }
.nt--4:hover{ transform:rotate(-.7deg)  translateY(-4px); }

/* ---------- paper ---------- */
.paper{
  background:var(--paper);
  color:var(--ink-2);
  padding:22px 22px 16px;
  box-shadow:0 1px 0 rgba(0,0,0,.4), 0 18px 40px -28px rgba(0,0,0,.9);
}
.paper::after{
  content:''; position:absolute; inset:0; pointer-events:none;
  background:
    repeating-linear-gradient(0deg, rgba(22,21,15,.020) 0 1px, transparent 1px 4px);
  mix-blend-mode:multiply;
}

/* ============================================================
   ACT 5 — SIGNAL
   ============================================================ */
.act--signal{ padding-bottom:clamp(60px,10vh,120px); }

.sig{ padding-top:clamp(40px,8vh,100px); max-width:640px; }
.sig__q{
  font-weight:600; font-size:clamp(1.15rem,3.4vw,2.5rem);
  line-height:1.15; letter-spacing:-.03em; color:var(--paper);
  margin:0;
}
.sig__ar{ margin:26px 0; font-size:20px; color:var(--stamp); }

.sig__links{ list-style:none; margin:20px 0 0; padding:0; display:flex; gap:34px; flex-wrap:wrap; }
.sig__links a{
  display:inline-flex; align-items:baseline; gap:6px;
  font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--tx-2); transition:color .35s var(--ease);
}
.sig__links em{ font-style:normal; font-size:9px; color:var(--tx-3); transition:transform .35s var(--ease); }
.sig__links a:hover{ color:var(--paper); }
.sig__links a:hover em{ color:var(--stamp); transform:translate(2px,-2px); }
.sig__links-tbd{
  margin:10px 0 0;
  font-family:var(--mono); font-size:10px; letter-spacing:.08em;
}

.foot{
  margin-top:clamp(70px,12vh,140px);
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  padding-top:16px; border-top:1px solid var(--line);
  font-size:9px; letter-spacing:.2em; text-transform:uppercase; color:var(--tx-3);
}
.foot__dot{ width:2px; height:2px; background:var(--tx-3); border-radius:50%; }

/* ============================================================
   reveal
   ============================================================ */
.rv{ opacity:0; transform:translateY(16px); }
.rv.in{
  opacity:1; transform:none;
  transition:opacity 1.05s var(--ease), transform 1.05s var(--ease);
  transition-delay:var(--d, 0s);
}

/* ============================================================
   dots / breathing / float / draw
   ============================================================ */
.dots::after{ content:''; animation:dots 1.7s steps(1) infinite; }
@keyframes dots{ 0%{content:''} 25%{content:'.'} 50%{content:'..'} 75%{content:'...'} }

@keyframes breathe{ 0%,100%{opacity:.35} 50%{opacity:1} }
@keyframes float{ 0%,100%{transform:translateY(0)} 50%{transform:translateY(4px)} }
@keyframes fadeUp{ from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:none} }
@keyframes reveal{ from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:none} }
@keyframes grow{ to{ opacity:1; transform:none; } }
@keyframes drawIn{ from{ stroke-dashoffset:var(--len,1000); } to{ stroke-dashoffset:0; } }
@keyframes vu{ from{ transform:scaleY(.15); } to{ transform:scaleY(1); } }

/* ============================================================
   responsive — keep the mess, drop the columns
   ============================================================ */
@media (max-width:1100px){
  .rail{ display:none; }
  .arch__h, .arch__r{ grid-template-columns:96px 1fr 54px 108px; }
  .device{ margin-left:auto; margin-right:auto; }
}

@media (max-width:860px){
  .scene__hint{ display:none; }
  .objcard{
    right:12px; left:12px; bottom:12px;
    width:auto;
  }

  .notes{ grid-template-columns:1fr; }
  .note{ grid-column:1 / -1 !important; grid-row:auto !important; }
  .nt--1{ width:88%; }
  .nt--2{ width:80%; margin:44px 0 0 auto; }
  .nt--3{ width:84%; margin:-14px 0 0 4%; }
  .nt--4{ width:72%; margin:34px auto 0 8%; }

  .now__side{ margin-left:0; }
  .now__big .l2{ margin-left:clamp(10px,5vw,60px); }

  .arch__h{ display:none; }
  .arch__r{ grid-template-columns:1fr auto; gap:8px 14px; }
  .arch__r [data-c="type"]{ grid-column:1 / -1; }
  .arch__r [data-c="obj"]{ grid-column:1; }
  .arch__r [data-c="year"]{ display:none; }
  .arch__r [data-c="status"]{ grid-column:2; text-align:right; justify-content:flex-end; }

  .enter__stack{ top:clamp(74px,13vh,120px); }
  .enter__arrow{ right:6%; bottom:-24%; }
}

@media (max-width:520px){
  .hud{ font-size:9px; }
  .hud__tl,.hud__tr{ top:16px; }
  .hud__bl,.hud__br{ bottom:16px; }
}

/* ============================================================
   reduced motion — 关掉表演，保留结构
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .enter__clock,.enter__sub,.enter__running,.enter__arrow,
  .enter__stack span{ opacity:1 !important; transform:none !important; }
  .rv{ opacity:1 !important; transform:none !important; }
  .scribble__path{ stroke-dashoffset:0 !important; }
}