/* ————————————————————————————————————————
   AllSessions 官网 · The Session Catalog
   胡桃木目录柜 / 黄铜标签框 / 卡片纸 / 朱砂印章
———————————————————————————————————————— */

@font-face {
  font-family: "Zilla Slab";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/ZillaSlab-500.woff2") format("woff2");
}
@font-face {
  font-family: "Zilla Slab";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/ZillaSlab-600.woff2") format("woff2");
}
@font-face {
  font-family: "Zilla Slab";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/ZillaSlab-700.woff2") format("woff2");
}
@font-face {
  font-family: "Courier Prime";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/CourierPrime-400.woff2") format("woff2");
}
@font-face {
  font-family: "Courier Prime";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/CourierPrime-700.woff2") format("woff2");
}

:root {
  --wood: #3a2f26;
  --wood-deep: #2a221c;
  --wood-edge: #4a3c2f;
  --brass: #a9824a;
  --brass-hi: #d9b77c;
  --brass-deep: #7a5c33;
  --card: #f2ead9;
  --card-hi: #faf4e6;
  --card-line: #d8ccb2;
  --ink: #262019;
  --ink-soft: #5c5245;
  --ink-faint: #8a7c66;
  --stamp: #b5302a;
  --source: #2e4a3c;
  --rule-red: #b5574d;
  --font-display: "Zilla Slab", "Songti SC", "Noto Serif CJK SC", serif;
  --font-typed: "Courier Prime", "SF Mono", "PingFang SC", monospace;
  --font-body: -apple-system, "PingFang SC", "Noto Sans CJK SC", "Segoe UI",
    sans-serif;
  --max: 1180px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(120% 90% at 50% 0%, rgb(255 250 235 / 55%), transparent 60%),
    var(--card);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--brass);
  color: var(--wood-deep);
}

:focus-visible {
  outline: 2px solid var(--stamp);
  outline-offset: 3px;
  border-radius: 2px;
}

a {
  color: var(--source);
  text-underline-offset: 3px;
}

img {
  display: block;
}

/* ———————— 顶部导轨（胡桃木 + 黄铜） ———————— */

.rail {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px clamp(16px, 4vw, 36px);
  background:
    linear-gradient(180deg, var(--wood-edge), var(--wood) 30%, var(--wood-deep));
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 8%),
    0 1px 0 rgb(0 0 0 / 30%),
    0 8px 24px rgb(42 34 28 / 25%);
  color: var(--card);
}

.rail__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--card);
  text-decoration: none;
}

.rail__brand img {
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 15%);
}

.rail__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.rail__nav {
  display: flex;
  gap: 4px;
  margin-inline: auto;
}

.rail__nav a {
  padding: 6px 12px;
  border-radius: 4px;
  color: rgb(242 234 217 / 85%);
  font-size: 0.82rem;
  text-decoration: none;
  transition:
    background-color 0.18s,
    color 0.18s;
}

.rail__nav a:hover {
  background: rgb(255 255 255 / 8%);
  color: var(--card-hi);
}

.rail__right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--brass-deep);
  border-radius: 5px;
  background: linear-gradient(180deg, rgb(0 0 0 / 25%), rgb(0 0 0 / 12%));
  cursor: pointer;
  font-family: var(--font-typed);
  font-size: 0.72rem;
}

.lang-toggle span {
  padding: 3px 9px;
  border-radius: 3px;
  color: rgb(242 234 217 / 65%);
}

.lang-toggle span.is-on {
  background: linear-gradient(180deg, var(--brass-hi), var(--brass));
  color: var(--wood-deep);
  font-weight: 700;
  box-shadow: 0 1px 0 rgb(255 255 255 / 25%) inset;
}

.rail__github {
  color: var(--brass-hi);
  font-family: var(--font-typed);
  font-size: 0.78rem;
  text-decoration: none;
}

.rail__github:hover {
  text-decoration: underline;
}

/* ———————— Hero + 目录柜 ———————— */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(40px, 7vh, 88px) clamp(16px, 4vw, 36px) 64px;
}

.hero__copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.4vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.hero__sub {
  max-width: 34em;
  margin: 0 0 30px;
  color: var(--ink-soft);
  font-family: var(--font-typed);
  font-size: 0.92rem;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.cta-primary {
  display: inline-block;
  padding: 13px 26px;
  border: 1px solid #8c231e;
  border-radius: 6px;
  background: linear-gradient(180deg, #c13a32, var(--stamp) 55%, #9c2a24);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 22%),
    0 2px 8px rgb(156 42 36 / 35%);
  color: var(--card-hi);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-shadow: 0 -1px 0 rgb(0 0 0 / 25%);
  transition:
    transform 0.18s var(--ease-out),
    box-shadow 0.18s;
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 22%),
    0 6px 16px rgb(156 42 36 / 40%);
}

.cta-secondary {
  padding: 12px 4px;
  color: var(--source);
  font-family: var(--font-typed);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: underline;
}

.hero__detect {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.78rem;
}

.hero__detect strong {
  color: var(--source);
  font-weight: 700;
}

.detect-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--source);
  box-shadow: 0 0 0 3px rgb(46 74 60 / 15%);
}

/* ———— 柜体 ———— */

.cabinet {
  position: relative;
  padding: 18px 18px 22px;
  border: 1px solid var(--wood-deep);
  border-radius: 8px;
  background:
    repeating-linear-gradient(
      93deg,
      rgb(255 255 255 / 2%) 0 3px,
      transparent 3px 7px
    ),
    linear-gradient(180deg, var(--wood-edge), var(--wood) 22%, var(--wood-deep));
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 10%),
    inset 0 -2px 6px rgb(0 0 0 / 35%),
    0 24px 48px -16px rgb(42 34 28 / 55%);
}

/* 柜体四角螺丝 */
.cabinet::before,
.cabinet::after,
.cabinet__drawers::before,
.cabinet__drawers::after {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #6b5a45, #241c15 70%);
  box-shadow: inset 0 0 2px rgb(0 0 0 / 80%);
  content: "";
}

.cabinet::before {
  top: 7px;
  left: 7px;
}
.cabinet::after {
  top: 7px;
  right: 7px;
}
.cabinet__drawers::before {
  bottom: -14px;
  left: -11px;
}
.cabinet__drawers::after {
  bottom: -14px;
  right: -11px;
}

.cabinet__plate {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 7px 14px;
  border: 1px solid var(--brass-deep);
  border-radius: 3px;
  background: linear-gradient(180deg, var(--brass-hi), var(--brass) 60%, #96703d);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 45%),
    inset 0 -1px 0 rgb(0 0 0 / 18%),
    0 1px 3px rgb(0 0 0 / 40%);
}

.cabinet__plate-text {
  color: #3a2a14;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-shadow: 0 1px 0 rgb(255 244 214 / 55%);
}

.cabinet__plate-ver {
  color: #4a3517;
  font-family: var(--font-typed);
  font-size: 0.72rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 1px 0 rgb(255 244 214 / 55%);
}

.cabinet__drawers {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.drawer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 9px 7px 10px;
  border: 1px solid #20180f;
  border-radius: 3px;
  background: linear-gradient(180deg, #52412f, #43331f 60%, #38291a);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 10%),
    inset 0 -3px 5px rgb(0 0 0 / 30%),
    0 1px 2px rgb(0 0 0 / 40%);
  cursor: pointer;
  transition:
    transform 0.22s var(--ease-out),
    box-shadow 0.22s;
}

.drawer:hover {
  background: linear-gradient(180deg, #5b4936, #4a3823 60%, #3e2d1c);
}

.drawer.is-open {
  transform: translateY(5px);
  box-shadow:
    inset 0 4px 8px rgb(0 0 0 / 45%),
    0 0 0 1px rgb(217 183 124 / 25%);
}

.drawer__frame {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  width: 100%;
  padding: 4px 6px;
  border: 1px solid var(--brass-deep);
  border-radius: 2px;
  background: linear-gradient(180deg, #cdb183, var(--brass) 55%, #8f6b3a);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 40%),
    inset 0 -1px 0 rgb(0 0 0 / 15%);
}

.drawer__name {
  overflow: hidden;
  color: #352611;
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-overflow: ellipsis;
  text-shadow: 0 1px 0 rgb(255 244 214 / 45%);
  white-space: nowrap;
}

.drawer__count {
  flex: none;
  color: #5a411d;
  font-family: var(--font-typed);
  font-size: 0.6rem;
  font-variant-numeric: tabular-nums;
}

.drawer__pull {
  width: 34px;
  height: 9px;
  border-radius: 0 0 9px 9px;
  background: linear-gradient(180deg, #6e5330, #3f2d17);
  box-shadow:
    inset 0 -2px 3px rgb(0 0 0 / 55%),
    0 1px 0 rgb(255 255 255 / 8%);
}

/* ———— 拉出的卡片屉 ———— */

.cabinet__tray {
  position: relative;
  margin-top: 14px;
  padding: 0 12px 14px;
  border: 1px solid #1c140c;
  border-top: 6px solid #241b11;
  border-radius: 0;
  background:
    linear-gradient(180deg, rgb(0 0 0 / 18%), transparent 26px),
    var(--card);
  box-shadow:
    inset 0 8px 14px -8px rgb(0 0 0 / 45%),
    inset 0 -1px 0 rgb(255 255 255 / 40%);
}

.tray__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px 10px;
  border-bottom: 1px solid var(--card-line);
}

.tray__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

#tray-agent {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tray__path {
  overflow: hidden;
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tray__meta {
  display: flex;
  flex: none;
  align-items: center;
  gap: 10px;
}

.tray__search {
  padding: 3px 10px;
  border: 1px solid var(--card-line);
  border-radius: 3px;
  background: var(--card-hi);
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.68rem;
}

.tray__count {
  color: var(--ink-soft);
  font-family: var(--font-typed);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.tray__cards {
  display: grid;
  gap: 8px;
  padding-top: 12px;
}

/* ———— 目录卡 ———— */

.index-card {
  position: relative;
  padding: 12px 14px 16px;
  border: 1px solid var(--card-line);
  border-top: 2px solid var(--rule-red);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  box-shadow:
    0 1px 0 rgb(255 255 255 / 60%) inset,
    0 2px 6px rgb(58 47 38 / 14%);
  font-family: var(--font-typed);
  animation: deal 0.5s var(--ease-out) both;
  animation-delay: calc(var(--i) * 70ms);
}

/* 卡片底部打孔 */
.index-card::after {
  position: absolute;
  bottom: 7px;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--wood);
  box-shadow: inset 0 1px 2px rgb(0 0 0 / 60%);
  content: "";
  transform: translateX(-50%);
  opacity: 0.18;
}

@keyframes deal {
  from {
    opacity: 0;
    transform: translateY(-16px) rotate(-0.6deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.index-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 5px;
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

.index-card__title {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.35;
}

.index-card__path {
  display: block;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tray__demo {
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ———— 印章 ———— */

.stamp {
  display: inline-block;
  padding: 3px 8px;
  border: 2px solid var(--stamp);
  border-radius: 3px;
  outline: 1px solid var(--stamp);
  outline-offset: 2px;
  color: var(--stamp);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  opacity: 0.88;
  transform: rotate(-6deg);
  text-transform: uppercase;
}

.stamp--readonly {
  position: absolute;
  right: 16px;
  bottom: 18px;
  z-index: 2;
  pointer-events: none;
  font-size: 0.85rem;
  transform: rotate(-8deg);
}

.stamp--local {
  position: absolute;
  top: -14px;
  right: 18px;
  font-size: 0.9rem;
  transform: rotate(6deg);
}

/* ———————— 通用区块 ———————— */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px clamp(16px, 4vw, 36px);
  scroll-margin-top: 76px;
}

.section__plate {
  display: inline-block;
  margin-bottom: 22px;
  padding: 7px 18px;
  border: 1px solid var(--brass-deep);
  border-radius: 3px;
  background: linear-gradient(180deg, var(--brass-hi), var(--brass) 60%, #96703d);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 45%),
    inset 0 -1px 0 rgb(0 0 0 / 15%),
    0 1px 3px rgb(58 47 38 / 25%);
  color: #3a2a14;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-shadow: 0 1px 0 rgb(255 244 214 / 55%);
  text-transform: uppercase;
}

.section__intro {
  max-width: 44em;
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-family: var(--font-typed);
  font-size: 0.9rem;
}

.section__foot {
  margin: 20px 0 0;
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.75rem;
}

/* ———— 来源索引卡 ———— */

.source-index {
  display: grid;
  gap: 10px;
}

.source-card {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(150px, 220px) minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--card-line);
  border-top: 2px solid var(--rule-red);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  box-shadow: 0 2px 5px rgb(58 47 38 / 10%);
}

.source-card__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--brass-deep);
  border-radius: 4px;
  background: linear-gradient(180deg, #d9c194, var(--brass) 60%, #8f6b3a);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 45%),
    0 1px 2px rgb(0 0 0 / 20%);
  color: var(--agent, var(--source));
}

.source-card__icon img,
.source-card__icon svg {
  width: 24px;
  height: 24px;
  filter: drop-shadow(0 1px 0 rgb(255 244 214 / 40%));
}

.source-card__head {
  min-width: 0;
}

.source-card__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.source-card__path {
  display: block;
  overflow: hidden;
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-card__cov {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-typed);
  font-size: 0.76rem;
  line-height: 1.55;
}

.source-card .stamp {
  position: static;
  flex: none;
  justify-self: end;
  font-size: 0.6rem;
  transform: rotate(-4deg);
}

/* ———— 功能抽屉 ———— */

.feature-drawers {
  display: grid;
  gap: 10px;
}

.fdrawer {
  border: 1px solid #20180f;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--wood-edge), var(--wood) 40%, var(--wood-deep));
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 8%),
    0 3px 8px rgb(58 47 38 / 30%);
  overflow: hidden;
}

.fdrawer__front {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 12px 16px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: start;
}

.fdrawer__frame {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  padding: 6px 12px;
  border: 1px solid var(--brass-deep);
  border-radius: 2px;
  background: linear-gradient(180deg, #cdb183, var(--brass) 55%, #8f6b3a);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 40%),
    inset 0 -1px 0 rgb(0 0 0 / 15%);
}

.fdrawer__name {
  color: #352611;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-shadow: 0 1px 0 rgb(255 244 214 / 45%);
}

.fdrawer__hint {
  color: #5a411d;
  font-family: var(--font-typed);
  font-size: 0.68rem;
  white-space: nowrap;
}

.fdrawer__pull {
  flex: none;
  width: 40px;
  height: 10px;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(180deg, #6e5330, #3f2d17);
  box-shadow:
    inset 0 -2px 3px rgb(0 0 0 / 55%),
    0 1px 0 rgb(255 255 255 / 8%);
}

.fdrawer__tray {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease-out);
}

.fdrawer.is-open .fdrawer__tray {
  grid-template-rows: 1fr;
}

.fdrawer__inner {
  min-height: 0;
  overflow: hidden;
}

.fdrawer__card {
  margin: 4px 12px 14px;
  padding: 14px 18px;
  border: 1px solid var(--card-line);
  border-top: 2px solid var(--rule-red);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  font-family: var(--font-typed);
}

.fdrawer__card ul {
  margin: 0;
  padding-inline-start: 18px;
}

.fdrawer__card li {
  margin: 4px 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
}

/* ———— 本地优先 ———— */

.section--local {
  border-top: 1px solid var(--card-line);
  border-bottom: 1px solid var(--card-line);
}

.local__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.local__copy h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

.local__facts {
  margin: 0;
  padding-inline-start: 20px;
}

.local__facts li {
  margin: 10px 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.7;
}

.local__facts li::marker {
  color: var(--brass);
}

.local__card {
  position: relative;
  padding: 22px 22px 26px;
  border: 1px solid var(--card-line);
  border-top: 2px solid var(--rule-red);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  box-shadow: 0 4px 14px rgb(58 47 38 / 15%);
}

.local__paths {
  margin: 0;
}

.local__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--card-line);
}

.local__row:last-child {
  border-bottom: 0;
}

.local__row dt {
  color: var(--ink-faint);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.local__row dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: var(--font-typed);
  font-size: 0.8rem;
}

/* ———— 流通台（下载） ———— */

.desk__ver {
  color: var(--stamp);
  font-family: var(--font-typed);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.desk__stamp {
  margin-inline-start: 10px;
  font-size: 0.6rem;
}

.desk__slips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.slip {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px 18px;
  border: 1px solid var(--card-line);
  border-top: 2px solid var(--rule-red);
  border-radius: 2px;
  background:
    linear-gradient(180deg, var(--card-hi), var(--card));
  box-shadow: 0 3px 10px rgb(58 47 38 / 13%);
}

.slip.is-detected {
  box-shadow:
    0 0 0 2px var(--brass),
    0 6px 18px rgb(58 47 38 / 20%);
}

.slip__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slip__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.slip__rec {
  padding: 2px 8px;
  border: 1px solid var(--brass-deep);
  border-radius: 3px;
  background: linear-gradient(180deg, var(--brass-hi), var(--brass));
  color: #3a2a14;
  font-family: var(--font-typed);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.slip__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 11px;
  border: 1px dashed var(--card-line);
  border-radius: 3px;
  background: var(--card);
  text-decoration: none;
  transition:
    border-color 0.18s,
    background-color 0.18s;
}

.slip__link:hover {
  border-color: var(--source);
  border-style: solid;
  background: var(--card-hi);
}

.slip__file {
  overflow: hidden;
  min-width: 0;
  color: var(--source);
  font-family: var(--font-typed);
  font-size: 0.72rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slip__size {
  flex: none;
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

.slip__note {
  margin: auto 0 0;
  padding-top: 8px;
  border-top: 1px dashed var(--card-line);
  color: var(--ink-faint);
  font-family: var(--font-typed);
  font-size: 0.68rem;
  line-height: 1.55;
}

.desk__fallback {
  margin: 26px 0 0;
  font-family: var(--font-typed);
  font-size: 0.8rem;
}

/* ———— 页脚 ———— */

.footer {
  margin-top: 40px;
  padding: 40px clamp(16px, 4vw, 36px) 48px;
  background:
    linear-gradient(180deg, var(--wood) 0%, var(--wood-deep) 100%);
  color: rgb(242 234 217 / 75%);
  text-align: center;
}

.footer__disclaimer {
  max-width: 56em;
  margin: 0 auto 22px;
  font-family: var(--font-typed);
  font-size: 0.72rem;
  line-height: 1.7;
  opacity: 0.85;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 26px;
  margin-bottom: 20px;
}

.footer__links a {
  color: var(--brass-hi);
  font-family: var(--font-typed);
  font-size: 0.8rem;
  text-decoration: none;
}

.footer__links a:hover {
  text-decoration: underline;
}

.footer__mark {
  margin: 0;
  color: rgb(242 234 217 / 45%);
  font-family: var(--font-typed);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

/* ———— 浏览器表面 ———— */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--card);
}
::-webkit-scrollbar-thumb {
  border: 2px solid var(--card);
  border-radius: 6px;
  background: var(--wood-edge);
}

/* ———— 响应式 ———— */

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__sub {
    max-width: 44em;
  }
}

@media (max-width: 720px) {
  .rail {
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .rail__nav {
    order: 3;
    width: 100%;
    margin: 0;
    overflow-x: auto;
  }

  .rail__right {
    margin-inline-start: auto;
  }

  .cabinet__drawers {
    grid-template-columns: repeat(2, 1fr);
  }

  .source-card {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .source-card__cov {
    grid-column: 2;
  }

  .source-card .stamp {
    position: absolute;
    top: 10px;
    right: 12px;
  }

  .local__grid {
    grid-template-columns: 1fr;
  }

  /* minmax(0,1fr)：1fr 的自动最小尺寸会取卡片注释文本的固有宽度，
     把轨道撑出容器产生横向滚动 */
  .desk__slips {
    grid-template-columns: minmax(0, 1fr);
  }

  .tray__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .tray__meta {
    width: 100%;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}