/* ==========================================================================
   财神棋牌局 · 共享样式表  /assets/site.css
   暖玉白为纸，账本米为格，深墨绿为封底，财神红立栏，朱砂红点关键动作
   ========================================================================== */

/* ---------- 01 RESET ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body { margin: 0; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, pre { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video, canvas { max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; }
a { color: inherit; }

/* ---------- 02 变量 ---------- */
:root {
  /* 主色系 */
  --red: #B4121F;
  --red-lit: #E23A2E;
  --gold: #D6A419;
  --gold-deep: #8C6A12;
  --ink-green: #10302A;
  --jade: #F8F2E4;
  --ledger: #EDE2CB;
  --ink: #1B1512;
  /* 状态色 */
  --ok: #2F7D5B;
  --amber: #D97A0B;
  --grey: #5C6B62;

  /* 结构 */
  --rail-w: 250px;
  --wrap: 1180px;
  --bd: 3px solid var(--ink);
  --shadow-1: 6px 6px 0 var(--ink);
  --shadow-2: 10px 10px 0 var(--ink);
  --ease: cubic-bezier(.2, .7, .3, 1);

  /* 字体 */
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

/* ---------- 03 基底与中文排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  color: var(--ink);
  background-color: var(--jade);
  background-image:
    repeating-linear-gradient(0deg, rgba(27, 21, 18, .038) 0 1px, transparent 1px 32px),
    radial-gradient(circle at 88% 3%, rgba(214, 164, 25, .17), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(180, 18, 31, .10), transparent 52%);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--ink);
}

h1 { font-size: clamp(34px, 5.4vw, 52px); }
h2 { font-size: clamp(24px, 3.4vw, 36px); }
h3 { font-size: clamp(19px, 2.2vw, 28px); }
h4 { font-size: 20px; line-height: 1.3; }

p { margin-bottom: 1.2em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; }

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: .92em;
}

/* 等宽数字：清单编号、纪年、记录条数 */
.mono,
[data-num] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: .6em;
}

.lede {
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--grey);
  max-width: 62ch;
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 04 焦点 ---------- */
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.rail :focus-visible { outline-color: var(--jade); }

/* ---------- 05 容器与网格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .wrap { padding: 0 28px; }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 06 顶部跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 220;
  padding: 10px 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--jade);
  background: var(--ink);
  border: 3px solid var(--gold);
  text-decoration: none;
  transform: translateY(-220%);
  transition: transform .18s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

/* ---------- 07 滚动进度条 ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  z-index: 120;
  background: var(--ledger);
  box-shadow: 0 3px 0 var(--ink);
  pointer-events: none;
}

.progress__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--red) 0%, var(--red-lit) 55%, var(--gold) 100%);
  transition: transform .12s linear;
}

/* ---------- 08 左侧局牌式导航轨道 ---------- */
.rail {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 90;
  width: min(86vw, 320px);
  display: flex;
  flex-direction: column;
  background: var(--red);
  color: var(--jade);
  border-right: 3px solid var(--ink);
  overflow: hidden;
  transform: translateX(-104%);
  transition: transform .26s var(--ease);
}

.rail::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, transparent 0 5px, rgba(248, 242, 228, .13) 5px 7px, transparent 7px 100%);
  background-size: 34px 34px;
  background-position: 0 0;
  opacity: .9;
}

.rail[data-open] { transform: translateX(0); }

.rail__top {
  position: relative;
  z-index: 1;
  padding: 22px 18px 18px;
  border-bottom: 3px solid rgba(27, 21, 18, .55);
}

.rail__nav {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px 12px;
}

.rail__foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 16px 22px;
  border-top: 3px solid rgba(27, 21, 18, .55);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--jade);
}

.brand__coin {
  flex: 0 0 auto;
  line-height: 0;
  filter: drop-shadow(2px 2px 0 rgba(27, 21, 18, .55));
}

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: .02em;
  line-height: 1.2;
}

.brand__sub {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* 导航列表 */
.navlist {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.navlist__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--jade);
  text-decoration: none;
  border: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease),
              transform .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease);
}

.navlist__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.5;
  padding: 2px 6px;
  color: var(--jade);
  background: var(--gold-deep);
  border: 2px solid rgba(27, 21, 18, .85);
}

.navlist__link:hover {
  background: rgba(27, 21, 18, .3);
  border-color: var(--gold);
  transform: translate(2px, -2px);
  box-shadow: -4px 4px 0 rgba(27, 21, 18, .5);
}

.navlist__link[aria-current="page"] {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.navlist__link[aria-current="page"] .navlist__num {
  background: var(--ink);
  color: var(--gold);
  border-color: var(--ink);
}

/* ---------- 09 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  background: var(--jade);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: transform .16s var(--ease), box-shadow .16s var(--ease),
              background .16s var(--ease), color .16s var(--ease);
}

.btn:hover { transform: translate(2px, -2px); box-shadow: var(--shadow-2); }
.btn:active { transform: translate(6px, 6px); box-shadow: 0 0 0 var(--ink); }

.btn--gold { background: var(--gold); }
.btn--red { background: var(--red); color: var(--jade); }
.btn--lit { background: var(--red-lit); color: var(--jade); }
.btn--ink { background: var(--ink-green); color: var(--jade); }
.btn--ghost {
  background: transparent;
  color: var(--jade);
  border-color: var(--jade);
  box-shadow: 6px 6px 0 rgba(27, 21, 18, .7);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--block { width: 100%; }

/* ---------- 10 移动端抽屉按钮与遮罩 ---------- */
.rail-toggle {
  position: fixed;
  left: 14px;
  bottom: 14px;
  z-index: 110;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--jade);
  background: var(--ink-green);
  border: 3px solid var(--gold);
  box-shadow: 6px 6px 0 rgba(27, 21, 18, .8);
  cursor: pointer;
}

.rail-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.rail-toggle__bars i {
  display: block;
  height: 3px;
  background: var(--gold);
}

.rail-toggle__bars i:nth-child(2) { width: 70%; }

.scrim {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(27, 21, 18, .58);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s var(--ease), visibility .22s;
}

.scrim[data-on] { opacity: 1; visibility: visible; }

body[data-locked] { overflow: hidden; }

/* ---------- 11 帮助抽屉 ---------- */
.drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 95;
  width: min(92vw, 440px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--ink-green);
  color: var(--jade);
  border-right: 3px solid var(--gold);
  box-shadow: 6px 0 0 rgba(27, 21, 18, .75);
  transform: translateX(-104%);
  visibility: hidden;
  transition: transform .26s var(--ease), visibility .26s;
}

.drawer[data-open] { transform: translateX(0); visibility: visible; }

.drawer__inner { padding: 26px 20px 44px; }

.drawer__head { position: relative; }

.drawer__kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 10px;
  max-width: none;
}

.drawer__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.25;
  color: var(--jade);
  margin-bottom: 10px;
}

.drawer__hint {
  font-size: 13.5px;
  line-height: 1.8;
  color: #b6c6bc;
  margin-bottom: 14px;
}

.drawer__close {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--jade);
  background: transparent;
  border: 3px solid var(--gold);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .5);
  cursor: pointer;
  transition: background .16s var(--ease), color .16s var(--ease),
              transform .16s var(--ease), box-shadow .16s var(--ease);
}

.drawer__close:hover {
  background: var(--gold);
  color: var(--ink);
  transform: translate(2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .5);
}

.drawer__group { margin-top: 24px; }

.drawer__group + .drawer__group {
  padding-top: 22px;
  border-top: 3px dashed rgba(214, 164, 25, .42);
}

.drawer__grouptitle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: 12px;
  max-width: none;
}

.drawer__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--jade);
  text-decoration: none;
  background: rgba(0, 0, 0, .2);
  border: 2px solid rgba(248, 242, 228, .22);
  transition: border-color .16s var(--ease), background .16s var(--ease), transform .16s var(--ease);
}

.drawer__link:hover {
  border-color: var(--gold);
  background: rgba(214, 164, 25, .16);
  transform: translateX(3px);
}

.drawer__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 12 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 60px;
  color: var(--jade);
  background: var(--ink-green);
  border-top: 3px solid var(--ink);
}

.site-footer::before {
  content: "";
  display: block;
  height: 12px;
  background-color: var(--red);
  background-image: radial-gradient(circle at 10px 6px, rgba(214, 164, 25, .9) 0 3px, transparent 3.5px);
  background-size: 20px 12px;
  border-bottom: 3px solid var(--ink);
}

.footer__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 20px 30px;
}

.footer__brand { max-width: 34ch; }

.footer__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--jade);
  margin-bottom: 8px;
}

.footer__tagline {
  font-size: 14.5px;
  line-height: 1.85;
  color: #b6c6bc;
  margin-bottom: 12px;
  max-width: none;
}

.footer__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--gold);
  max-width: none;
}

.footer__coltitle {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16.5px;
  color: var(--gold);
  letter-spacing: .02em;
  padding-bottom: 8px;
  margin-bottom: 14px;
  border-bottom: 3px solid rgba(214, 164, 25, .45);
  max-width: none;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  position: relative;
  display: inline-block;
  padding-left: 18px;
  font-size: 14.5px;
  text-decoration: none;
  color: var(--jade);
  transition: color .16s var(--ease), transform .16s var(--ease);
}

.footer__links a::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  transform: translateY(-50%);
  transition: background .16s var(--ease);
}

.footer__links a:hover { color: var(--gold); transform: translateX(3px); }
.footer__links a:hover::before { background: var(--gold); }

.footer__cline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: #d3ddd6;
  margin-bottom: 10px;
  max-width: none;
}

.footer__clabel {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: .28em;
}

/* 第二行入口带 */
.band {
  background: rgba(0, 0, 0, .26);
  border-top: 3px solid rgba(214, 164, 25, .45);
  border-bottom: 3px solid rgba(214, 164, 25, .45);
}

.band__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
}

.band__summary::-webkit-details-marker { display: none; }
.band__summary::marker { content: ""; }

.band__label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--gold);
  letter-spacing: .02em;
}

.band__hint {
  flex: 1 1 180px;
  font-size: 13.5px;
  color: #a9b8ae;
}

.band__mark {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 3px solid var(--gold);
  margin-left: auto;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.band__mark::before,
.band__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform .22s var(--ease), opacity .22s var(--ease), background .2s var(--ease);
}

.band__mark::before {
  left: 4px;
  right: 4px;
  top: 50%;
  height: 3px;
  transform: translateY(-50%);
}

.band__mark::after {
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 3px;
  transform: translateX(-50%);
}

.band[open] .band__mark { background: var(--gold-deep); }
.band[open] .band__mark::before { background: var(--jade); }
.band[open] .band__mark::after { transform: translateX(-50%) scaleY(0); opacity: 0; }

.band__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 24px;
}

.band__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 14px;
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  color: var(--jade);
  background: rgba(248, 242, 228, .07);
  border: 3px solid var(--gold-deep);
  transition: background .16s var(--ease), border-color .16s var(--ease),
              transform .16s var(--ease), box-shadow .16s var(--ease);
}

.band__link:hover {
  background: rgba(214, 164, 25, .18);
  border-color: var(--gold);
  transform: translate(2px, -2px);
  box-shadow: 4px 4px 0 var(--gold-deep);
}

.band__arrow {
  font-family: var(--font-mono);
  color: var(--gold);
  flex: 0 0 auto;
}

/* 法务行 */
.footer__legal {
  background: rgba(0, 0, 0, .38);
  border-top: 3px solid rgba(214, 164, 25, .3);
}

.footer__legal-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 20px 26px;
}

.footer__legal-line {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: #9fb0a5;
  margin-bottom: 0;
  max-width: none;
}

.footer__legal-line--dim { color: #7f9186; }

/* ---------- 13 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
}

.crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.crumbs li + li::before {
  content: "/";
  color: var(--grey);
}

.crumbs a {
  color: var(--gold-deep);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.crumbs a:hover { border-bottom-color: var(--gold-deep); }

.crumbs [aria-current="page"] { color: var(--ink); font-weight: 700; }

/* ---------- 14 卡片、编号、折叠、状态 ---------- */
.card {
  padding: 20px;
  background: var(--jade);
  border: var(--bd);
  box-shadow: var(--shadow-1);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.card:hover {
  transform: translate(2px, -2px);
  box-shadow: var(--shadow-2);
}

.card--focus {
  background: var(--red);
  color: var(--jade);
}

.card--focus h2,
.card--focus h3,
.card--focus h4 { color: var(--jade); }

.card--bar {
  background: var(--ink-green);
  color: var(--jade);
}

.card--bar h2,
.card--bar h3,
.card--bar h4 { color: var(--jade); }

.card--ledger { background: var(--ledger); }

.numchip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  padding: 2px 8px;
  color: var(--ink);
  background: var(--gold);
  border: 2px solid var(--ink);
  font-variant-numeric: tabular-nums;
}

.fold {
  margin-bottom: 12px;
  background: var(--ledger);
  border: var(--bd);
}

.fold__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16.5px;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.fold__sum::-webkit-details-marker { display: none; }
.fold__sum::marker { content: ""; }

.fold__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold-deep);
  transition: color .2s var(--ease);
}

.fold__sum:hover { background: rgba(214, 164, 25, .22); }

.fold[open] > .fold__sum { background: rgba(214, 164, 25, .16); }
.fold[open] > .fold__sum::after { content: "−"; color: var(--red-lit); }

.fold__body {
  padding: 14px 16px 18px;
  border-top: 2px dashed rgba(27, 21, 18, .3);
}

.dot {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  vertical-align: middle;
}

.dot--ok { background: var(--ok); }
.dot--wait { background: var(--amber); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.6;
  padding: 2px 8px;
  border: 2px solid currentColor;
}

.tag--gold { color: var(--gold-deep); }
.tag--red { color: var(--red-lit); }

/* ---------- 15 图片容器基础规则（页面阶段使用） ---------- */
.figure {
  margin: 0;
  background: var(--ledger);
  border: var(--bd);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.figure:hover {
  transform: translate(2px, -2px);
  box-shadow: var(--shadow-2);
}

.figure__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--ledger);
  background-image:
    repeating-linear-gradient(45deg, rgba(140, 106, 18, .12) 0 10px, transparent 10px 20px),
    linear-gradient(180deg, var(--ledger) 0%, #e0d2b6 100%);
}

.figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__cap {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
  background: var(--jade);
  border-top: 3px solid var(--ink);
}

.figure--wide .figure__frame { aspect-ratio: 16 / 9; }
.figure--tall .figure__frame { aspect-ratio: 3 / 4; }
.figure--square .figure__frame { aspect-ratio: 1 / 1; }

/* ---------- 16 断点：桌面端轨道常驻 ---------- */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }

  .progress { left: var(--rail-w); }

  .rail {
    width: var(--rail-w);
    transform: none;
    transition: none;
  }

  .rail-toggle { display: none; }

  .drawer {
    left: var(--rail-w);
    transform: translateX(calc(-100% - var(--rail-w) - 6px));
  }

  .drawer[data-open] { transform: translateX(0); }

  body[data-locked] { overflow: auto; }

  .footer__main {
    grid-template-columns: 1.4fr .8fr .8fr 1.2fr;
    padding: 48px 28px 34px;
    gap: 32px;
  }

  .band__summary { padding: 20px 28px; }

  .band__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 0 28px 26px;
  }

  .footer__legal-inner { padding: 18px 28px 28px; }
}

@media (min-width: 640px) and (max-width: 1099px) {
  .footer__main { grid-template-columns: 1fr 1fr; }
  .band__list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1023px) {
  body { padding-bottom: 84px; }
  .site-footer { margin-top: 44px; }
}

@media (max-width: 460px) {
  .footer__main { padding: 32px 18px 24px; }
  .band__summary { padding: 16px 18px; }
  .band__list { padding: 0 18px 20px; }
  .footer__legal-inner { padding: 16px 18px 22px; }
  .drawer__inner { padding: 22px 16px 40px; }
}

/* ---------- 17 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .progress__fill { transition: none; }
}