/* =========================================================
   ACID ARCHIVE — 单页作品集
   无构建工具 / 无外部依赖 / 全部相对路径
   ========================================================= */

/* ---------- 变量 ---------- */
:root {
  --font-display: "Impact", "Haettenschweiler", "Arial Narrow Bold", "Arial Black",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-sans: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;

  --acid: #ccff00;
  --mag: #ff2d88;
  --vio: #7b2dff;
  --mint: #00ffb0;

  --max: 1480px;
  --pad: clamp(18px, 4.6vw, 64px);
  --hud-h: 56px;
  --r: 2px;

  --ease: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

html[data-theme="dark"] {
  --bg: #08080a;
  --bg-2: #0c0c10;
  --panel: #101014;
  --fg: #f4f3ee;
  --dim: #96968c;
  --dim-2: #62625a;
  --line: rgba(255, 255, 255, 0.13);
  --line-2: rgba(255, 255, 255, 0.3);
  --acid-stroke: #ccff00;
  --acid-ink: #ccff00;
  --plate: #000000;
  --shadow: rgba(204, 255, 0, 0.9);
  --grain-op: 0.055;
  --scan-op: 0.05;
}

html[data-theme="light"] {
  --bg: #f0efe4;
  --bg-2: #e7e6d9;
  --panel: #fbfaf1;
  --fg: #0a0a0c;
  --dim: #4e4e46;
  --dim-2: #7d7d72;
  --line: rgba(0, 0, 0, 0.16);
  --line-2: rgba(0, 0, 0, 0.42);
  --acid: #c2ea00;
  --acid-stroke: #6d8c00;
  --acid-ink: #4f6600;
  --plate: #dedccd;
  --shadow: rgba(12, 12, 14, 0.92);
  --grain-op: 0.07;
  --scan-op: 0.035;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hud-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  padding-top: var(--hud-h);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, p, dl, dd, dt, ol, ul { margin: 0; padding: 0; }
ol, ul { list-style: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

::selection { background: var(--acid); color: #08080a; }

:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}
:focus:not(:focus-visible) { outline: none; }

.skip {
  position: fixed;
  top: -60px;
  left: 12px;
  z-index: 9999;
  padding: 10px 16px;
  background: var(--acid);
  color: #08080a;
  font-family: var(--font-mono);
  font-size: 12px;
  transition: top 0.2s;
}
.skip:focus { top: 8px; }

/* ---------- 覆盖层：颗粒 / 扫描线 / 进度 ---------- */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 9000;
  pointer-events: none;
  background-image: url("../img/grain.svg");
  background-size: 200px 200px;
  opacity: var(--grain-op);
  animation: grainShift 7s steps(6) infinite;
  mix-blend-mode: overlay;
}

.scan {
  position: fixed;
  inset: 0;
  z-index: 8999;
  pointer-events: none;
  opacity: var(--scan-op);
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.5) 0 1px,
    transparent 1px 3px
  );
}

html[data-theme="light"] .scan {
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.4) 0 1px,
    transparent 1px 3px
  );
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 9100;
  background: transparent;
}
.progress i {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(to right, var(--acid), var(--mag));
}

/* ---------- 自定义光标 ---------- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9200;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: difference;
}
html.has-cursor .cursor { opacity: 1; }
.cursor__ring {
  display: block;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border: 1.5px solid #fff;
  border-radius: 50%;
  transition: width 0.25s var(--ease), height 0.25s var(--ease),
    margin 0.25s var(--ease), background 0.25s;
}
.cursor.is-hot .cursor__ring {
  width: 66px;
  height: 66px;
  margin: -33px 0 0 -33px;
  background: rgba(255, 255, 255, 0.16);
}

/* =========================================================
   HUD
   ========================================================= */
.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9500;
  height: var(--hud-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 var(--pad);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}

.hud__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.hud__mark {
  width: 15px;
  height: 15px;
  background: var(--acid);
  box-shadow: 3px 3px 0 var(--mag);
  transform: rotate(45deg);
}
.hud__name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 700;
}
.hud__name b {
  color: var(--acid-ink);
  font-weight: 700;
}

.hud__nav {
  display: flex;
  gap: clamp(14px, 2vw, 30px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}
.hud__nav a {
  position: relative;
  padding: 4px 0;
  color: var(--dim);
  transition: color 0.25s;
}
.hud__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.hud__nav a:hover { color: var(--fg); }
.hud__nav a:hover::after { transform: scaleX(1); }

.hud__right {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 18px);
  flex-shrink: 0;
}

.hud__clock {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.theme {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
  transition: border-color 0.25s, color 0.25s;
}
.theme:hover { border-color: var(--acid); color: var(--fg); }
.theme__track {
  position: relative;
  width: 26px;
  height: 12px;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  display: block;
}
.theme__track i {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acid);
  transition: transform 0.3s var(--ease), background 0.3s;
}
html[data-theme="light"] .theme__track i {
  transform: translateX(14px);
  background: var(--mag);
}

.burger {
  display: none;
  width: 34px;
  height: 34px;
  position: relative;
  border: 1px solid var(--line);
}
.burger span {
  position: absolute;
  left: 8px;
  width: 18px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 19px; }
body.menu-open .burger span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

/* ---------- 全屏菜单 ---------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 9400;
  background: var(--bg);
  padding: calc(var(--hud-h) + 34px) var(--pad) 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}
.menu[hidden] { display: none; }

.menu__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.menu__list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.7rem, 8vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.menu__list a em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--acid-ink);
  width: 22px;
}
.menu__list a span {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--dim-2);
  font-weight: 400;
}
.menu__foot {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim-2);
  margin-top: 26px;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: calc(100svh - var(--hud-h));
  display: flex;
  align-items: center;
  padding: clamp(40px, 7vh, 82px) var(--pad) clamp(74px, 10vh, 110px);
  overflow: hidden;
  isolation: isolate;
}

.hero__blob {
  position: absolute;
  z-index: -1;
  top: -14%;
  right: -10%;
  width: clamp(320px, 46vw, 720px);
  aspect-ratio: 1;
  background: radial-gradient(circle at 30% 30%, var(--mag), #93004a 62%, #2a0016 100%);
  filter: blur(26px) saturate(1.1);
  opacity: 0.9;
  border-radius: 62% 38% 47% 53% / 41% 56% 44% 59%;
  animation: blob 16s var(--ease-io) infinite alternate;
}

/* 液态高光：让色团有体积感，而不是一块平涂 */
.hero__blob::after {
  content: "";
  position: absolute;
  inset: 12% 14% 46% 22%;
  border-radius: 50%;
  background: radial-gradient(
    circle at 38% 34%,
    rgba(255, 255, 255, 0.34),
    rgba(255, 255, 255, 0) 62%
  );
  filter: blur(22px);
  pointer-events: none;
}

.hero__ring {
  position: absolute;
  z-index: -1;
  left: -8vw;
  bottom: -14vw;
  width: clamp(280px, 40vw, 620px);
  aspect-ratio: 1;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  opacity: 0.7;
}
.hero__ring::before {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px dashed var(--line);
  border-radius: 50%;
}
.hero__ring::after {
  content: "";
  position: absolute;
  top: 8%;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  background: var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--mint);
}

/* 铬金属球 */
.hero__chrome {
  position: absolute;
  z-index: 0;
  right: clamp(18px, 7vw, 120px);
  top: clamp(88px, 16vh, 180px);
  width: clamp(88px, 11vw, 168px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, #ffffff 0 8%, rgba(255, 255, 255, 0) 42%),
    conic-gradient(from 210deg, #f7f7f2, #6e6e66, #ffffff, #2c2c28, #dcdcd2, #8a8a82, #f7f7f2);
  box-shadow: inset -12px -14px 30px rgba(0, 0, 0, 0.6),
    inset 9px 9px 20px rgba(255, 255, 255, 0.35), 0 24px 54px rgba(0, 0, 0, 0.5);
  animation: bob 7s var(--ease-io) infinite;
}

.hero__inner {
  position: relative;
  z-index: 3;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: clamp(9px, 1.1vw, 11px);
  letter-spacing: 0.2em;
  color: var(--dim);
  margin-bottom: clamp(14px, 2.4vh, 26px);
}
.eyebrow__dot {
  width: 7px;
  height: 7px;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--acid) 22%, transparent);
  animation: pulse 2.4s infinite;
}
.eyebrow__rule {
  flex: 0 0 auto;
  width: clamp(24px, 8vw, 90px);
  height: 1px;
  background: var(--line-2);
}
.eyebrow__extra { color: var(--acid-ink); }

.hero__title {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.6rem, 15.4vw, 12.8rem);
  line-height: 0.8;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin-left: -0.02em;
}

.line { display: block; }
.line--solid { color: var(--fg); }

.line--outline {
  color: transparent;
  -webkit-text-stroke: clamp(1.4px, 0.22vw, 3px) var(--acid-stroke);
  transform: skewX(-5deg) translateX(0.05em);
  transform-origin: left bottom;
  position: relative;
}

/* 描边字 hover 故障切片 */
.line--outline::before,
.line--outline::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  color: transparent;
  -webkit-text-stroke: inherit;
  opacity: 0;
  pointer-events: none;
}
.line--outline:hover::before {
  opacity: 1;
  transform: translate(-0.012em, -0.012em);
  -webkit-text-stroke-color: var(--mag);
}
.line--outline:hover::after {
  opacity: 1;
  transform: translate(0.012em, 0.008em);
  -webkit-text-stroke-color: var(--mint);
}

.hero__lede {
  max-width: 46ch;
  margin-top: clamp(18px, 3vh, 34px);
  font-size: clamp(0.95rem, 1.35vw, 1.16rem);
  line-height: 1.75;
  color: var(--dim);
}
.hero__lede .hl {
  color: #08080a;
  margin: 0 0.06em;
}

.hl {
  display: inline-block;
  background: var(--acid);
  color: #08080a;
  padding: 0 0.22em;
  line-height: 1.12;
  vertical-align: baseline;
  transform: rotate(-0.6deg);
}

.hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(22px, 4vh, 40px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 700;
  border: 1.5px solid var(--fg);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background 0.2s, color 0.2s, border-color 0.2s;
}
.btn--acid {
  background: var(--acid);
  color: #08080a;
  border-color: #08080a;
  box-shadow: 5px 5px 0 var(--fg);
}
.btn--acid:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--mag);
}
.btn--ghost { color: var(--fg); background: transparent; }
.btn--ghost:hover {
  background: var(--fg);
  color: var(--bg);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--acid);
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(34px, 6vh, 62px);
  border-top: 1px solid var(--line);
  padding-top: 16px;
  max-width: 820px;
}
.hero__meta dt {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--dim-2);
  margin-bottom: 5px;
}
.hero__meta dd {
  font-family: var(--font-mono);
  font-size: clamp(10px, 1.15vw, 12.5px);
  letter-spacing: 0.04em;
  color: var(--fg);
}
.hero__meta .is-live::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--mint);
  animation: pulse 2s infinite;
}

/* 贴纸 */
.sticker {
  position: absolute;
  z-index: 4;
  right: clamp(14px, 5vw, 88px);
  bottom: clamp(86px, 14vh, 150px);
  width: clamp(94px, 10vw, 150px);
  filter: drop-shadow(7px 8px 0 rgba(0, 0, 0, 0.3));
  animation: bob 9s var(--ease-io) infinite;
  pointer-events: none;
}
.sticker svg { width: 100%; height: auto; }

/* =========================================================
   跑马灯
   ========================================================= */
.band {
  position: relative;
  z-index: 6;
  overflow: hidden;
  height: clamp(46px, 6vw, 62px);
  display: flex;
  align-items: center;
}

.marquee {
  width: 108%;
  margin-left: -4%;
  background: var(--acid);
  color: #08080a;
  transform: rotate(-1.5deg);
  border-block: 1px solid #08080a;
  overflow: hidden;
  padding: 8px 0;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.25);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: slide 34s linear infinite;
}
.marquee__track span {
  font-family: var(--font-mono);
  font-size: clamp(10px, 1.1vw, 12.5px);
  letter-spacing: 0.18em;
  font-weight: 700;
  white-space: nowrap;
  padding-right: 24px;
}

/* =========================================================
   区块通用
   ========================================================= */
.sec {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(58px, 9vh, 110px) var(--pad);
}

.sec + .sec { border-top: 1px solid var(--line); }

.sec__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: clamp(30px, 5vh, 56px);
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--dim);
}
.kicker span {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 18px;
  background: var(--acid);
  color: #08080a;
  font-weight: 700;
  letter-spacing: 0;
}

.sec__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 6.4vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
.sec__title--big { text-transform: none; line-height: 1.14; }
.sec__title .out {
  color: transparent;
  -webkit-text-stroke: 1.6px var(--acid-stroke);
}

.sec__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim-2);
  margin-top: 6px;
}

/* =========================================================
   00 索引
   ========================================================= */
.ledger {
  border-top: 1px solid var(--line-2);
}

.ledger__head,
.ledger a {
  display: grid;
  grid-template-columns: 70px minmax(0, 2.4fr) minmax(0, 1fr) 80px 90px;
  align-items: center;
  gap: 14px;
  padding: 15px 10px;
}

.ledger__head {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--dim-2);
  border-bottom: 1px solid var(--line);
}

.ledger li + li a { border-top: 1px solid var(--line); }

.ledger a {
  position: relative;
  transition: background 0.2s, padding 0.25s var(--ease), color 0.2s;
}
.ledger a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--acid);
  transition: width 0.28s var(--ease);
}
.ledger a:hover { padding-left: 20px; }
.ledger a:hover::before { width: 6px; }

.ledger__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--acid-ink);
}
.ledger__name {
  font-size: clamp(1rem, 1.7vw, 1.32rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.ledger__name em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim-2);
  text-transform: uppercase;
}
.ledger__type,
.ledger__year,
.ledger__stat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--dim);
}
.ledger__stat {
  justify-self: start;
  border: 1px solid var(--line);
  padding: 2px 8px;
  font-size: 9.5px;
  letter-spacing: 0.12em;
}

/* =========================================================
   01 序言
   ========================================================= */
.prose {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 46px);
  max-width: 1180px;
}
.prose p {
  font-size: clamp(0.92rem, 1.15vw, 1.02rem);
  line-height: 1.82;
  color: var(--dim);
  border-top: 2px solid var(--line-2);
  padding-top: 14px;
}
.prose b {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--acid-ink);
  margin-bottom: 8px;
  font-weight: 700;
}

.rules {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(34px, 5vh, 60px);
  border: 1px solid var(--line);
  background: var(--line);
}
.rules li {
  background: var(--bg);
  padding: 20px 18px 22px;
  transition: background 0.25s, color 0.25s;
}
.rules li:hover { background: var(--acid); color: #08080a; }
.rules b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--acid-ink);
  margin-bottom: 10px;
}
.rules li:hover b { color: #08080a; }
.rules span { font-size: 0.9rem; line-height: 1.5; }

/* =========================================================
   02 标本网格
   ========================================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
  gap: clamp(16px, 2vw, 30px);
}

.card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.25s, box-shadow 0.25s var(--ease),
    transform 0.25s var(--ease);
}
.card:hover,
.card:focus-within {
  border-color: var(--acid);
  box-shadow: 7px 7px 0 var(--shadow);
  transform: translate(-3px, -3px);
}
html[data-theme="light"] .card:hover,
html[data-theme="light"] .card:focus-within {
  box-shadow: 7px 7px 0 var(--fg);
}

.card--a { grid-column: span 5; }
.card--b { grid-column: span 7; }
.card--c { grid-column: span 6; }
.card--d { grid-column: span 6; }
.card--wide,
.card--e { grid-column: span 12; }

.card__open {
  display: block;
  width: 100%;
  text-align: left;
  height: 100%;
}

.card__media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--plate);
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease), filter 0.4s;
  filter: saturate(1.04) contrast(1.03);
}
.card:hover .card__media img {
  transform: scale(1.045);
  filter: saturate(1.18) contrast(1.06);
}

.card--a .card__media { aspect-ratio: 1 / 1; }
.card--b .card__media { aspect-ratio: 3 / 2; }

.card--c .card__media,
.card--d .card__media {
  height: clamp(340px, 50vh, 560px);
}
.card--c .card__media img,
.card--d .card__media img {
  object-fit: contain;
  object-position: center;
}

.card--wide .card__open,
.card--e .card__open {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  align-items: stretch;
}
.card--wide .card__media {
  height: 100%;
  min-height: clamp(200px, 26vh, 280px);
  display: grid;
  place-items: center;
  padding: clamp(8px, 1.2vw, 18px);
}
.card--wide .card__media img {
  object-fit: contain;
  height: auto;
  max-height: 100%;
}
.card--e .card__media { height: 100%; min-height: clamp(300px, 42vh, 460px); }

.card__tag {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: inline-block;
  padding: 5px 10px;
  background: var(--acid);
  color: #08080a;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2vw, 26px);
  border-top: 1px solid var(--line);
}
.card--wide .card__body,
.card--e .card__body {
  border-top: 0;
  border-left: 1px solid var(--line);
  justify-content: center;
  padding: clamp(20px, 3vw, 40px);
}

.card__name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  font-size: clamp(1.2rem, 2vw, 1.68rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.card__name em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim-2);
  text-transform: uppercase;
  font-weight: 400;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.card__meta span + span::before {
  content: "/";
  margin: 0 8px;
  color: var(--dim-2);
}

.card__note {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--dim);
  max-width: 42ch;
}

.card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--acid-ink);
}
.card__more i { font-style: normal; transition: transform 0.25s var(--ease); }
.card:hover .card__more i { transform: translate(3px, -3px); }

/* =========================================================
   03 参数
   ========================================================= */
.meters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 38px) clamp(24px, 4vw, 70px);
  max-width: 1180px;
}
.meter__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 8px;
}
.meter__top span { font-weight: 800; font-size: clamp(0.98rem, 1.4vw, 1.1rem); }
.meter__top b {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 0.9;
  color: var(--acid-ink);
}
.meter__bar {
  position: relative;
  height: 7px;
  margin: 10px 0 12px;
  background: var(--line);
  overflow: hidden;
}
.meter__bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--v);
  background: repeating-linear-gradient(
    90deg,
    var(--acid) 0 6px,
    color-mix(in srgb, var(--acid) 55%, #000) 6px 8px
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s var(--ease);
}
.meter.is-in .meter__bar i { transform: scaleX(1); }
.meter p { font-size: 0.86rem; line-height: 1.7; color: var(--dim); }

.tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(30px, 4.5vh, 52px);
}
.tools li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--dim);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.tools li:hover {
  border-color: var(--acid);
  background: var(--acid);
  color: #08080a;
}

/* =========================================================
   04 工序
   ========================================================= */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.steps li {
  position: relative;
  background: var(--bg);
  padding: clamp(20px, 2.4vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.3s;
}
.steps li:hover { background: var(--panel); }
.steps b {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 0.86;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--line-2);
}
.steps li:hover b { -webkit-text-stroke-color: var(--acid); }
.steps h3 {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}
.steps p { font-size: 0.88rem; line-height: 1.72; color: var(--dim); }
.steps span {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--dim-2);
}

/* =========================================================
   05 联络
   ========================================================= */
.contact__lede {
  font-size: clamp(1.6rem, 4.2vw, 3.4rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.025em;
  max-width: 24ch;
}
.contact__lede .hl { margin: 0 0.06em; }

.mailto {
  display: inline-flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 22px);
  margin-top: clamp(26px, 4vh, 44px);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--fg);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 5.4vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  word-break: break-all;
  transition: color 0.25s, border-color 0.25s;
}
.mailto:hover { color: var(--acid-ink); border-color: var(--acid); }
.mailto svg { flex-shrink: 0; }

.contact__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 46px);
  margin-top: clamp(40px, 6vh, 70px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.contact__cols h4 {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  color: var(--dim-2);
  margin-bottom: 14px;
  font-weight: 700;
}
.links { display: flex; flex-direction: column; gap: 8px; }
.links a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.98rem;
  font-weight: 700;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.links a:hover { color: var(--acid-ink); border-color: var(--acid); }
.links em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--dim-2);
  font-weight: 400;
}
.stat {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--dim);
}

/* =========================================================
   页脚
   ========================================================= */
.foot {
  position: relative;
  border-top: 1px solid var(--line);
  padding: clamp(26px, 4vh, 44px) 0 0;
  overflow: hidden;
}
.foot__top,
.foot__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--dim-2);
}
.foot__top { padding-bottom: 12px; }

.foot__wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(3.6rem, 21vw, 19rem);
  line-height: 0.74;
  letter-spacing: -0.045em;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-2);
  margin: clamp(10px, 2vh, 22px) 0 0;
  white-space: nowrap;
  user-select: none;
}

.foot__bottom { padding: clamp(16px, 3vh, 26px) var(--pad) clamp(20px, 3vh, 30px); }
.foot__bottom a { color: var(--dim); }
.foot__bottom a:hover { color: var(--acid-ink); }

/* =========================================================
   灯箱
   ========================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9600;
  display: grid;
  place-items: center;
  padding: clamp(12px, 3vw, 40px);
}
.lightbox[hidden] { display: none; }

.lightbox__scrim {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fade 0.3s var(--ease);
}
html[data-theme="light"] .lightbox__scrim { background: rgba(240, 239, 228, 0.9); }

.lightbox__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  width: min(1180px, 100%);
  max-height: min(88vh, 860px);
  background: var(--bg);
  border: 1px solid var(--acid);
  box-shadow: 10px 10px 0 var(--mag);
  animation: pop 0.36s var(--ease);
  overflow: hidden;
}

.lightbox__media {
  background: #000;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 0;
}
.lightbox__media img {
  width: 100%;
  height: 100%;
  max-height: min(88vh, 860px);
  object-fit: contain;
}

.lightbox__info {
  padding: clamp(20px, 2.6vw, 38px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lightbox__no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--acid-ink);
}
.lightbox__title {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.lightbox__en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--dim-2);
  text-transform: uppercase;
  margin-top: -6px;
}

.lightbox__dl {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px 12px;
  padding: 16px 0;
  margin: 4px 0;
  border-block: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
}
.lightbox__dl dt { color: var(--dim-2); letter-spacing: 0.1em; font-size: 10px; }
.lightbox__dl dd { color: var(--fg); }

.lightbox__note {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--dim);
}

.lightbox__nav {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
}
.lightbox__nav button {
  flex: 1;
  padding: 12px 10px;
  border: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.lightbox__nav button:hover {
  background: var(--acid);
  color: #08080a;
  border-color: #08080a;
}

.lightbox__close {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 3;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-size: 24px;
  line-height: 1;
  background: var(--acid);
  color: #08080a;
  border: 1px solid #08080a;
}

body.locked { overflow: hidden; }

/* =========================================================
   显现动画
   ========================================================= */
html.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
html.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* =========================================================
   关键帧
   ========================================================= */
@keyframes blob {
  0% { border-radius: 62% 38% 47% 53% / 41% 56% 44% 59%; transform: rotate(0deg) scale(1); }
  50% { border-radius: 44% 56% 62% 38% / 58% 38% 62% 42%; transform: rotate(8deg) scale(1.04); }
  100% { border-radius: 55% 45% 36% 64% / 48% 62% 38% 52%; transform: rotate(-6deg) scale(0.98); }
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-12deg); }
  50% { transform: translateY(-14px) rotate(-8deg); }
}
.hero__chrome { animation-name: bobChrome; }
@keyframes bobChrome {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-18px) scale(1.03); }
}
@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}
@keyframes grainShift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-3%, 2%); }
  50% { transform: translate(2%, -3%); }
  75% { transform: translate(-2%, -2%); }
  100% { transform: translate(0, 0); }
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1180px) {
  .hud__nav { gap: 14px; }
  .prose { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prose p:last-child { grid-column: span 2; }
  .card--a, .card--b { grid-column: span 6; }
  .card--c, .card--d { grid-column: span 6; }
}

@media (max-width: 900px) {
  .hud__nav { display: none; }
  .burger { display: block; }
  .hud__clock { display: none; }

  .hero { padding-top: clamp(28px, 5vh, 56px); }
  .hero__title { font-size: clamp(3.4rem, 17vw, 8rem); }
  .hero__chrome { display: none; }
  .hero__meta { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 10px; }
  .sticker {
    width: 86px;
    right: 10px;
    bottom: auto;
    top: 62px;
    opacity: 0.95;
  }

  .ledger__head { display: none; }
  .ledger a {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 8px 10px;
    padding: 14px 6px;
  }
  .ledger__type { display: none; }
  .ledger__name { font-size: 1rem; }
  .ledger__year { text-align: right; }
  .ledger__stat { display: none; }

  .rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meters { grid-template-columns: 1fr; }

  .card--a, .card--b, .card--c, .card--d { grid-column: span 12; }
  .card--c .card__media,
  .card--d .card__media { height: clamp(320px, 62vw, 560px); }

  .card--wide .card__open,
  .card--e .card__open { grid-template-columns: 1fr; }
  .card--wide .card__body,
  .card--e .card__body {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .card--wide .card__media,
  .card--e .card__media { min-height: 0; height: auto; }
  .card--wide .card__media img { width: 100%; height: auto; }
  .card--e .card__media img { width: 100%; height: auto; }

  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact__cols { grid-template-columns: 1fr; gap: 24px; }
  .foot__bottom { justify-content: flex-start; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .prose { grid-template-columns: 1fr; }
  .prose p:last-child { grid-column: auto; }
  .rules { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }

  .hero__title { font-size: clamp(3rem, 17.5vw, 5rem); line-height: 0.84; }
  .hero__lede { font-size: 0.95rem; }
  .btn { flex: 1 1 auto; justify-content: center; padding: 14px 18px; }
  .hero__acts { gap: 10px; }
  .sticker { width: 72px; top: 54px; }
  .hero__ring { display: none; }

  .lightbox__panel { grid-template-columns: 1fr; max-height: 90vh; }
  .lightbox__media img { max-height: 46vh; }
  .lightbox__info { padding: 18px; }
  .lightbox__dl { grid-template-columns: 56px 1fr; }

  .foot__top { font-size: 8.5px; letter-spacing: 0.12em; }
}

@media (max-width: 380px) {
  .theme__label { display: none; }
  .theme { padding: 6px 8px; }
  .eyebrow__extra { display: none; }
  .sticker { display: none; }
  .mailto { font-size: 1.15rem; }
}

/* 触屏设备不显示自定义光标 */
@media (hover: none), (pointer: coarse) {
  .cursor { display: none !important; }
}

/* 尊重减弱动效 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html.js .reveal { opacity: 1; transform: none; }
  .meter__bar i { transform: scaleX(1); }
}

/* 无 JS 兜底 */
html:not(.js) .meter__bar i { transform: scaleX(1); }