/* ============================================================
   财神棋牌888 — 共享样式 /assets/site.css
   奶油底连续画布 · 复古出版色 · 档案室刻度语言
   ============================================================ */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. Tokens ---------- */
:root {
  --cs-red: #C8322A;
  --cs-red-deep: #8E1D18;
  --cs-gold: #D9A441;
  --cs-gold-light: #F2D07A;
  --cs-ink: #171412;
  --cs-brown: #3B332E;
  --cs-cream: #F7F1E4;
  --cs-card: #FFFBF3;
  --cs-jade: #2F7A6B;
  --cs-violet: #6C4BD8;
  --cs-line: #E2D7C4;

  --cs-header-h: 88px;
  --cs-header-h-sm: 60px;
  --cs-max: 1240px;
  --cs-radius: 8px;
  --cs-ease: cubic-bezier(.2, .8, .2, 1);

  --cs-display: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --cs-body: system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --cs-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

/* ---------- 3. 中文排版与画布 ---------- */
body {
  min-height: 100vh;
  color: var(--cs-ink);
  font-family: var(--cs-body);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: .012em;
  background-color: var(--cs-cream);
  background-image:
    radial-gradient(rgba(59, 51, 46, .07) 1px, transparent 1px),
    repeating-linear-gradient(45deg, rgba(200, 50, 42, .026) 0 6px, transparent 6px 14px);
  background-size: 22px 22px, auto;
  background-attachment: fixed, scroll;
  -webkit-font-smoothing: antialiased;
}
p { margin-bottom: 1.2em; }
p:last-child { margin-bottom: 0; }
strong, b { font-weight: 700; }
::selection { background: var(--cs-gold-light); color: var(--cs-ink); }

h1, h2, h3, h4 {
  font-family: var(--cs-display);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
}

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

#main-content { scroll-margin-top: calc(var(--cs-header-h) + 12px); }

/* ---------- 4. 布局容器 ---------- */
.cs-container {
  width: 100%;
  max-width: var(--cs-max);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}
.cs-main { display: block; padding-top: var(--cs-header-h); }
.cs-main--frame { padding-top: 0; }
.cs-section { padding: clamp(38px, 5.4vw, 74px) 0; }
.cs-section + .cs-section { border-top: 1px solid var(--cs-line); }

/* ---------- 5. 栅格与 Bento ---------- */
.cs-grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.cs-col-4 { grid-column: span 4; }
.cs-col-5 { grid-column: span 5; }
.cs-col-6 { grid-column: span 6; }
.cs-col-7 { grid-column: span 7; }
.cs-col-8 { grid-column: span 8; }
.cs-col-12 { grid-column: span 12; }
@media (max-width: 960px) {
  .cs-col-4, .cs-col-5, .cs-col-6, .cs-col-7, .cs-col-8 { grid-column: span 12; }
}

/* ---------- 6. 文本层级 ---------- */
.cs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--cs-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--cs-red);
}
.cs-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--cs-gold); }
.cs-h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  margin: .42em 0 .5em;
}
.cs-lead { font-size: 17.5px; color: var(--cs-brown); max-width: 64ch; }
.cs-meta { font-family: var(--cs-mono); font-size: 13px; color: var(--cs-brown); letter-spacing: .02em; }
.cs-num { font-family: var(--cs-mono); font-weight: 700; font-size: 1.15em; letter-spacing: 0; }
.cs-note-v {
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--cs-brown);
  line-height: 1;
}
.cs-scale {
  height: 14px;
  border-bottom: 1px solid var(--cs-line);
  background-image: repeating-linear-gradient(to right, var(--cs-line) 0 1px, transparent 1px 12px);
  background-repeat: repeat-x;
  background-size: 100% 8px;
  background-position: left bottom;
}

/* ---------- 7. 按钮与标签 ---------- */
.cs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--cs-radius);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  transition: transform .18s var(--cs-ease), background-color .18s var(--cs-ease),
              color .18s var(--cs-ease), border-color .18s var(--cs-ease);
}
.cs-btn--primary {
  background: var(--cs-red);
  color: #FFF7EC;
  border-color: var(--cs-red-deep);
  box-shadow: 0 1px 0 var(--cs-gold), 0 2px 6px rgba(142, 29, 24, .18);
}
.cs-btn--primary:hover { background: var(--cs-red-deep); transform: translateY(-2px); }
.cs-btn--ghost { background: transparent; color: var(--cs-ink); border-color: var(--cs-ink); }
.cs-btn--ghost:hover { background: var(--cs-ink); color: var(--cs-cream); transform: translateY(-2px); }
.cs-btn--gold { background: rgba(242, 208, 122, .38); border-color: var(--cs-gold); color: #7A4E12; }
.cs-btn--gold:hover { background: var(--cs-gold-light); transform: translateY(-2px); }
.cs-btn--sm { padding: 8px 14px; font-size: 13.5px; }

.cs-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--cs-line);
  border-radius: var(--cs-radius);
  background: var(--cs-card);
  color: var(--cs-brown);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.5;
}
.cs-tag--red { background: var(--cs-red); border-color: var(--cs-red-deep); color: #FFF7EC; }
.cs-tag--gold { background: rgba(242, 208, 122, .42); border-color: var(--cs-gold); color: #7A4E12; }
.cs-tag--jade { background: var(--cs-jade); border-color: var(--cs-jade); color: #F2FBF7; }
.cs-tag--violet { background: var(--cs-violet); border-color: var(--cs-violet); color: #F4F0FF; }
.cs-tag--mono { font-family: var(--cs-mono); letter-spacing: .04em; }
.cs-tag.is-copied,
.is-copied { background: var(--cs-jade) !important; border-color: var(--cs-jade) !important; color: #F2FBF7 !important; }

/* ---------- 8. 卡片 / 框景 / 图片 ---------- */
.cs-card {
  position: relative;
  padding: clamp(16px, 2vw, 24px);
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
  transition: transform .22s var(--cs-ease), box-shadow .22s var(--cs-ease);
}
.cs-card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 2px;
  background: var(--cs-line);
  transition: background-color .22s var(--cs-ease);
}
.cs-card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(23, 20, 18, .07); }
.cs-card:hover::before { background: var(--cs-gold-light); }

.cs-frame {
  position: relative;
  padding: clamp(20px, 3vw, 44px);
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
}
.cs-frame::before,
.cs-frame::after {
  content: "";
  position: absolute;
  width: 15px; height: 15px;
  border: 2px solid var(--cs-gold);
}
.cs-frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.cs-frame::after { right: -1px; bottom: -1px; border-left: 0; border-top: 0; }

.cs-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
}
.cs-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(217, 164, 65, .16) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(-45deg, rgba(217, 164, 65, .16) 0 1px, transparent 1px 14px);
}
.cs-media__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--cs-ease);
}
.cs-media:hover .cs-media__img { transform: scale(1.03); }
.cs-media__cap {
  position: absolute;
  z-index: 2;
  left: 0; bottom: 0;
  padding: 5px 12px;
  background: var(--cs-ink);
  color: var(--cs-cream);
  font-family: var(--cs-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
}
.cs-media--wide { aspect-ratio: 21 / 9; }
.cs-media--tall { aspect-ratio: 3 / 4; }
.cs-media--square { aspect-ratio: 1 / 1; }

/* ---------- 9. 面包屑 ---------- */
.cs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  padding: 20px 0 0;
  font-size: 13px;
  color: var(--cs-brown);
}
.cs-breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.cs-breadcrumb li + li::before { content: "/"; color: var(--cs-gold); font-family: var(--cs-mono); }
.cs-breadcrumb a:hover { color: var(--cs-red); }

/* ---------- 10. 档案索引 ---------- */
.cs-index {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
}
.cs-index__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 18px;
  letter-spacing: .04em;
}
.cs-index__title::before {
  content: "";
  flex: 0 0 auto;
  width: 10px; height: 10px;
  background: var(--cs-red);
  transform: rotate(45deg);
}
.cs-index__list { display: grid; gap: 2px; }
.cs-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--cs-line);
  transition: background-color .18s var(--cs-ease), transform .18s var(--cs-ease);
}
.cs-index__link:hover { background: rgba(217, 164, 65, .14); transform: translateX(3px); }
.cs-index__idx {
  flex: 0 0 auto;
  font-family: var(--cs-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cs-gold);
}
.cs-index__meta { margin-left: auto; flex: 0 0 auto; font-size: 12.5px; color: var(--cs-brown); }

/* ---------- 11. 折叠档案组 ---------- */
.cs-collapse { background: var(--cs-card); border: 1px solid var(--cs-line); }
.cs-collapse + .cs-collapse { margin-top: 10px; }
.cs-collapse__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  text-align: left;
  font-family: var(--cs-display);
  font-size: 16.5px;
  font-weight: 900;
  color: var(--cs-ink);
}
.cs-collapse__idx { flex: 0 0 auto; font-family: var(--cs-mono); font-weight: 700; color: var(--cs-gold); }
.cs-collapse__arrow {
  flex: 0 0 auto;
  margin-left: auto;
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cs-line);
  border-radius: var(--cs-radius);
  transition: transform .3s var(--cs-ease), background-color .2s var(--cs-ease);
}
.cs-collapse__arrow::before {
  content: "";
  width: 7px; height: 7px;
  border-right: 2px solid var(--cs-brown);
  border-bottom: 2px solid var(--cs-brown);
  transform: rotate(45deg) translate(-2px, -2px);
}
.cs-collapse[data-open] .cs-collapse__arrow { transform: rotate(180deg); background: rgba(217, 164, 65, .28); }
.cs-collapse__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--cs-ease);
}
.cs-collapse[data-open] .cs-collapse__body { grid-template-rows: 1fr; }
.cs-collapse__inner { overflow: hidden; visibility: hidden; transition: visibility .3s var(--cs-ease); }
.cs-collapse[data-open] .cs-collapse__inner { visibility: visible; }
.cs-collapse__pad { padding: 0 18px 18px; border-top: 1px solid var(--cs-line); padding-top: 14px; }

/* ---------- 12. 筛选标签组 ---------- */
.cs-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.cs-filter__btn {
  padding: 7px 14px;
  border: 1px solid var(--cs-line);
  border-radius: var(--cs-radius);
  background: var(--cs-card);
  color: var(--cs-brown);
  font-size: 13.5px;
  font-weight: 700;
  transition: background-color .18s var(--cs-ease), color .18s var(--cs-ease),
              border-color .18s var(--cs-ease), transform .18s var(--cs-ease);
}
.cs-filter__btn:hover { border-color: var(--cs-gold); color: var(--cs-ink); transform: translateY(-2px); }
.cs-filter__btn[aria-pressed="true"] {
  background: var(--cs-red);
  border-color: var(--cs-red-deep);
  color: #FFF7EC;
}
.cs-filter__count { margin-left: 6px; font-family: var(--cs-mono); opacity: .78; }

/* ---------- 13. 头部 ---------- */
.cs-skip {
  position: absolute;
  top: -70px;
  left: 12px;
  z-index: 120;
  padding: 10px 16px;
  background: var(--cs-ink);
  color: var(--cs-cream);
  font-size: 14px;
  border-radius: 0 0 var(--cs-radius) var(--cs-radius);
  transition: top .2s var(--cs-ease);
}
.cs-skip:focus { top: 0; }

.cs-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .26s var(--cs-ease), border-color .26s var(--cs-ease),
              box-shadow .26s var(--cs-ease);
}
.cs-header[data-scrolled],
.cs-header[data-nav-open] {
  background: var(--cs-cream);
  border-bottom-color: var(--cs-line);
  box-shadow: 0 2px 12px rgba(23, 20, 18, .07);
}
.cs-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  width: 100%;
  max-width: var(--cs-max);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  height: var(--cs-header-h);
  transition: height .26s var(--cs-ease);
}
.cs-header[data-scrolled] .cs-header__inner { height: var(--cs-header-h-sm); }

.cs-brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.cs-brand__seal {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  background: var(--cs-red);
  color: #FFF6E6;
  border: 1px solid var(--cs-red-deep);
  border-radius: 2px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .16);
  font-family: var(--cs-display);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  transition: width .26s var(--cs-ease), height .26s var(--cs-ease);
}
.cs-header[data-scrolled] .cs-brand__seal { width: 32px; height: 32px; font-size: 17px; }
.cs-brand__text { display: block; min-width: 0; }
.cs-brand__line {
  display: block;
  font-family: var(--cs-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--cs-ink);
}
.cs-brand__sub {
  display: block;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--cs-brown);
  white-space: nowrap;
}

.cs-nav { display: flex; align-items: center; flex: 1 1 auto; min-width: 0; }
.cs-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0;
}
.cs-nav__list::-webkit-scrollbar { display: none; }
.cs-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--cs-radius);
  color: var(--cs-brown);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color .18s var(--cs-ease), color .18s var(--cs-ease),
              border-color .18s var(--cs-ease);
}
.cs-nav__link:hover { color: var(--cs-ink); background: rgba(217, 164, 65, .18); }
.cs-nav__link[aria-current="page"] {
  background: var(--cs-red);
  border-color: var(--cs-red-deep);
  color: #FFF7EC;
  box-shadow: 0 1px 0 var(--cs-gold);
}
.cs-nav__extra { display: none; }

.cs-header__utility {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.cs-header__chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border: 1px dashed var(--cs-line);
  border-radius: var(--cs-radius);
  font-family: var(--cs-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--cs-brown);
  white-space: nowrap;
}
.cs-header__chip--time { border-style: solid; border-color: var(--cs-gold); color: #7A4E12; background: rgba(242, 208, 122, .26); }

.cs-nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 13px;
  border: 1px solid var(--cs-line);
  border-radius: var(--cs-radius);
  background: var(--cs-card);
  color: var(--cs-ink);
  font-size: 13.5px;
  font-weight: 700;
}
.cs-nav-toggle__bars { position: relative; display: block; width: 18px; height: 2px; background: var(--cs-ink); }
.cs-nav-toggle__bars::before,
.cs-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px; height: 2px;
  background: var(--cs-ink);
  transition: transform .2s var(--cs-ease), opacity .2s var(--cs-ease);
}
.cs-nav-toggle__bars::before { top: -6px; }
.cs-nav-toggle__bars::after { top: 6px; }
.cs-nav-toggle[aria-expanded="true"] .cs-nav-toggle__bars { background: transparent; }
.cs-nav-toggle[aria-expanded="true"] .cs-nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.cs-nav-toggle[aria-expanded="true"] .cs-nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.cs-header__progress {
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cs-red), var(--cs-gold));
  opacity: 0;
  transition: opacity .26s var(--cs-ease), transform .1s linear;
}
.cs-header[data-scrolled] .cs-header__progress { opacity: 1; }

@media (max-width: 940px) {
  .cs-nav-toggle { display: inline-flex; }
  .cs-header__utility { display: none; }
  .cs-nav {
    position: fixed;
    left: 0; right: 0;
    top: var(--cs-header-h);
    display: none;
    flex-direction: column;
    align-items: stretch;
    max-height: calc(100vh - var(--cs-header-h));
    overflow-y: auto;
    padding: 14px clamp(16px, 4vw, 40px) 24px;
    background: var(--cs-cream);
    border-bottom: 1px solid var(--cs-line);
    box-shadow: 0 12px 24px rgba(23, 20, 18, .1);
  }
  .cs-header[data-scrolled] .cs-nav { top: var(--cs-header-h-sm); }
  .cs-nav[data-open] { display: flex; }
  .cs-nav__list { flex-direction: column; align-items: stretch; gap: 6px; overflow: visible; padding: 0; }
  .cs-nav__link {
    justify-content: flex-start;
    width: 100%;
    padding: 12px 14px;
    border-color: var(--cs-line);
    background: var(--cs-card);
    font-size: 16px;
  }
  .cs-nav__extra {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--cs-line);
  }
  .cs-nav__extra .cs-btn { width: 100%; }
}
@media (max-width: 560px) {
  .cs-brand__sub { display: none; }
}

/* ---------- 14. 右侧竖向刻度尺 / 返回顶部 ---------- */
.cs-ruler {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.cs-ruler__btn { display: flex; align-items: center; gap: 8px; padding: 2px 0; }
.cs-ruler__tick {
  display: block;
  width: 16px; height: 2px;
  background: var(--cs-line);
  transition: width .25s var(--cs-ease), background-color .25s var(--cs-ease), height .25s var(--cs-ease);
}
.cs-ruler__label {
  font-family: var(--cs-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cs-brown);
  opacity: 0;
  transition: opacity .22s var(--cs-ease);
}
.cs-ruler__btn:hover .cs-ruler__label { opacity: 1; }
.cs-ruler__btn[data-active] .cs-ruler__tick { width: 30px; height: 3px; background: var(--cs-red); }
.cs-ruler__btn[data-active] .cs-ruler__label { opacity: 1; color: var(--cs-red); font-weight: 700; }
@media (min-width: 1180px) { .cs-ruler { display: flex; } }

.cs-chip-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 45;
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  border: 2px dashed var(--cs-gold);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--cs-card) 0 46%, transparent 47%),
    repeating-conic-gradient(from 0deg, var(--cs-red) 0 12deg, var(--cs-red-deep) 12deg 24deg);
  color: var(--cs-red-deep);
  font-family: var(--cs-display);
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(23, 20, 18, .18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .25s var(--cs-ease), transform .25s var(--cs-ease);
}
.cs-chip-top[data-show] { opacity: 1; pointer-events: auto; transform: none; }
.cs-chip-top:hover { transform: translateY(-3px); }
@media (min-width: 1180px) { .cs-chip-top { right: 84px; } }

/* ---------- 15. 入场显现 ---------- */
.cs-js [data-reveal] { opacity: 0; transform: translateY(12px); }
.cs-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity .42s var(--cs-ease), transform .42s var(--cs-ease);
}

/* ---------- 16. 页脚 ---------- */
.cs-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 110px);
  background: var(--cs-ink);
  color: #E9DFCE;
  border-top: 3px solid var(--cs-red);
  overflow: hidden;
}
.cs-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(217, 164, 65, .05) 0 1px, transparent 1px 16px);
  pointer-events: none;
}
.cs-footer__inner {
  position: relative;
  max-width: var(--cs-max);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}
.cs-footer__scale {
  height: 16px;
  border-bottom: 1px solid rgba(217, 164, 65, .3);
  background-image: repeating-linear-gradient(to right, rgba(217, 164, 65, .38) 0 1px, transparent 1px 14px);
  background-repeat: repeat-x;
  background-size: 100% 9px;
  background-position: left bottom;
}
.cs-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.35fr 1fr;
  gap: clamp(26px, 3.4vw, 48px);
  padding: clamp(34px, 4.6vw, 62px) 0 clamp(24px, 3vw, 38px);
}
.cs-footer__brand .cs-brand { margin-bottom: 14px; }
.cs-brand--footer .cs-brand__line { color: #FBF3E4; }
.cs-brand--footer .cs-brand__sub { color: #B7A98E; white-space: normal; }
.cs-footer__note { font-size: 14.5px; line-height: 1.8; color: #CDBFA6; max-width: 34ch; }
.cs-footer__meta {
  margin-top: 10px;
  font-family: var(--cs-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cs-gold);
}
.cs-footer__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .2em;
  color: var(--cs-gold);
}
.cs-footer__title::after { content: ""; flex: 1 1 auto; height: 1px; background: rgba(217, 164, 65, .3); }
.cs-footer__list { display: grid; gap: 2px; }
.cs-footer__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 5px 0;
  font-size: 14.5px;
  color: #CDBFA6;
  transition: color .18s var(--cs-ease), transform .18s var(--cs-ease);
}
.cs-footer__link::before {
  content: "";
  flex: 0 0 auto;
  width: 6px; height: 6px;
  background: var(--cs-red);
  transform: rotate(45deg) translateY(-1px);
}
.cs-footer__link:hover { color: var(--cs-gold-light); transform: translateX(3px); }
.cs-footer__lines { display: grid; gap: 10px; }
.cs-footer__lines li { font-size: 14px; line-height: 1.75; color: #CDBFA6; }
.cs-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  padding: 20px 0 30px;
  border-top: 1px solid rgba(217, 164, 65, .28);
}
.cs-footer__legal { font-family: var(--cs-mono); font-size: 12.5px; letter-spacing: .02em; color: #9C8F79; }
.cs-footer__sign { font-size: 13px; letter-spacing: .16em; color: var(--cs-gold); }

@media (max-width: 1080px) { .cs-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) {
  .cs-footer__grid { grid-template-columns: 1fr; }
  .cs-footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- 17. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .cs-js [data-reveal] { opacity: 1; transform: none; }
  .cs-card:hover, .cs-chip-top:hover, .cs-btn:hover { transform: none; }
}