/* =========================================================================
   196·赛点视界 — 全站共享样式 /assets/site.css
   夜沙底色 · 赛点橙强调 · 草绿状态 · 雪青中性统计 · 戈壁金印刷标签
   ========================================================================= */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; }

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

[hidden] { display: none !important; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink: #2B2118;
  --ink-deep: #1A130C;
  --ink-base: #150F09;
  --ink-soft: #3A2E22;

  --paper: #F1E7D8;
  --paper-dim: #DDD0BB;
  --mist: #EFE9DF;

  --orange: #FF5A1F;
  --orange-deep: #D8450F;
  --grass: #1F7A4D;
  --grass-lift: #43C07E;
  --glacier: #A8D8E8;
  --gold: #C9922F;

  --line: #7A6A57;
  --line-soft: rgba(122, 106, 87, 0.42);
  --line-faint: rgba(122, 106, 87, 0.22);

  --text-dim: #A99D8B;
  --text-mid: #C8BDAC;

  --font-display: "Arial Narrow", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-editorial: "Songti SC", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Roboto Mono", monospace;

  --shell: 1320px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 中文基础排版 ---------- */
body {
  background-color: var(--ink);
  background-image:
    radial-gradient(120% 70% at 82% -12%, rgba(255, 90, 31, 0.10), transparent 58%),
    linear-gradient(180deg, #33271C 0%, #2B2118 42%, #241C14 100%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--paper);
}

h1 { font-size: clamp(34px, 5vw, 64px); }
h2 { font-size: clamp(24px, 3vw, 36px); }
h3 { font-size: clamp(18px, 2vw, 22px); letter-spacing: -0.01em; }
h4 { font-size: 16px; letter-spacing: 0; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

strong { color: var(--paper); font-weight: 700; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 1px;
}

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

/* ---------- 4. 页面骨架 ---------- */
#main-content {
  display: block;
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  scroll-margin-top: 116px;
}

#main-content a:not([class]) {
  color: var(--glacier);
  text-decoration: underline;
  text-decoration-color: rgba(168, 216, 232, 0.35);
  text-underline-offset: 3px;
  transition: color 0.18s, text-decoration-color 0.18s;
}

#main-content a:not([class]):hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

.wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.wrap--narrow { max-width: 780px; }

.section { padding: clamp(40px, 6vw, 88px) 0; position: relative; }
.section--tight { padding: clamp(22px, 3vw, 40px) 0; }

.band { background: var(--ink-deep); }
.band--paper { background: var(--paper); color: var(--ink-deep); }
.band--paper h1,
.band--paper h2,
.band--paper h3 { color: var(--ink-deep); }
.band--strip {
  background:
    linear-gradient(90deg, rgba(255, 90, 31, 0.12) 0%, rgba(31, 122, 77, 0.10) 55%, rgba(26, 19, 12, 0) 100%);
}

/* ---------- 5. 网格 ---------- */
.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid--split-8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }

@media (max-width: 900px) {
  .grid--2,
  .grid--3,
  .grid--split,
  .grid--split-8-4 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 6. 文本工具 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--orange);
  flex: 0 0 auto;
}

.band--paper .eyebrow { color: var(--orange-deep); }
.band--paper .eyebrow::before { background: var(--orange-deep); }

.editorial {
  font-family: var(--font-editorial);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.38;
}

.lede {
  font-family: var(--font-editorial);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.55;
  color: #DED3C2;
  max-width: 44ch;
}

.band--paper .lede { color: #4A3B2B; }

.text-dim { color: var(--text-dim); }
.text-orange { color: var(--orange); }
.text-grass { color: var(--grass-lift); }
.text-glacier { color: var(--glacier); }

/* ---------- 7. 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--line-soft);
  color: var(--gold);
  border-radius: 1px;
  white-space: nowrap;
}

.tag--orange { background: var(--orange); border-color: var(--orange); color: #1A130C; }
.tag--grass { background: var(--grass); border-color: var(--grass); color: #FFFFFF; }
.tag--glacier { border-color: rgba(168, 216, 232, 0.55); color: var(--glacier); }

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 1px;
  cursor: pointer;
  text-align: center;
  transition: transform 0.18s var(--ease), background-color 0.18s, color 0.18s, border-color 0.18s;
}

.btn--sm { font-size: 13.5px; padding: 10px 15px; }

.btn--primary { background: var(--orange); border-color: var(--orange); color: #1A130C; }
.btn--primary:hover { background: var(--orange-deep); border-color: var(--orange-deep); color: var(--paper); transform: translateY(-2px); }

.btn--ghost { background: transparent; border-color: var(--line-soft); color: var(--paper); }
.btn--ghost:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-2px); }

.btn--grass { background: var(--grass); border-color: var(--grass); color: #FFFFFF; }
.btn--grass:hover { background: #196440; border-color: #196440; transform: translateY(-2px); }

.band--paper .btn--ghost { border-color: rgba(43, 33, 24, 0.35); color: var(--ink-deep); }
.band--paper .btn--ghost:hover { border-color: var(--orange-deep); color: var(--orange-deep); }

/* ---------- 9. 纸面与图形 ---------- */
.paper {
  position: relative;
  background: var(--paper);
  color: var(--ink-deep);
  border: 1px solid rgba(43, 33, 24, 0.24);
  padding: clamp(20px, 3vw, 36px);
  border-radius: 1px;
  overflow: hidden;
}

.paper > * { position: relative; z-index: 1; }

.paper::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(43, 33, 24, 0.04) 0 1px, transparent 1px 4px);
}

.paper h1, .paper h2, .paper h3, .paper h4 { color: var(--ink-deep); }
.paper p { color: #3B2E22; }

.paper--stack {
  box-shadow: 10px 10px 0 -1px var(--ink), 10px 10px 0 0 var(--line-soft);
  margin-right: 10px;
  margin-bottom: 10px;
}

.halfline {
  height: 2px;
  border: 0;
  background-image: repeating-linear-gradient(90deg, var(--orange) 0 14px, transparent 14px 26px);
  opacity: 0.85;
}

.halfline--solid {
  height: 2px;
  background-image: none;
  background-color: var(--orange);
  opacity: 1;
}

.data-strip {
  background: rgba(26, 19, 12, 0.82);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
  padding: clamp(16px, 2.4vw, 28px);
  border-radius: 1px;
}

/* ---------- 10. 统计块 ---------- */
.stat { display: flex; flex-direction: column; gap: 7px; }

.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1;
  font-weight: 700;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat__value--orange { color: var(--orange); }
.stat__value--grass { color: var(--grass-lift); }
.stat__value--glacier { color: var(--glacier); }

.band--paper .stat__label { color: #6C5B47; }
.band--paper .stat__value { color: var(--ink-deep); }
.band--paper .stat__value--orange { color: var(--orange-deep); }
.band--paper .stat__value--grass { color: var(--grass); }

/* ---------- 11. 图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ink-deep);
  border: 1px solid var(--line-soft);
  border-radius: 1px;
  width: 100%;
}

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

.media-frame--wide { aspect-ratio: 16 / 7; }
.media-frame--panorama { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--portrait { aspect-ratio: 3 / 4; }

.media-frame--tilt { clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%); }

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 92%;
  background: rgba(26, 19, 12, 0.88);
  border-top: 1px solid var(--orange);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 7px 12px;
}

.media-frame__index {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--orange);
  color: #1A130C;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 9px;
}

/* ---------- 12. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.crumbs a {
  color: var(--glacier);
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s, color 0.18s;
}

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

.crumbs__sep { color: var(--line); opacity: 0.7; }

.crumbs [aria-current="page"] { color: var(--paper); }

/* ---------- 13. 筛选与标签页 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.filter-chip {
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 8px 15px;
  background: transparent;
  color: var(--text-mid);
  border: 1px solid var(--line-soft);
  border-radius: 1px;
  cursor: pointer;
  transition: background-color 0.18s, color 0.18s, border-color 0.18s, transform 0.18s;
}

.filter-chip:hover { border-color: var(--orange); color: var(--paper); transform: translateY(-2px); }

.filter-chip[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #1A130C;
}

.filter-chip[aria-pressed="true"]:hover { color: #1A130C; }

.tabset__list {
  display: inline-flex;
  border: 1px solid var(--line-soft);
  background: rgba(26, 19, 12, 0.6);
  border-radius: 1px;
}

.tabset__tab {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-right: 1px solid var(--line-soft);
  color: var(--text-mid);
  cursor: pointer;
  transition: background-color 0.18s, color 0.18s;
}

.tabset__tab:last-child { border-right: 0; }
.tabset__tab:hover { color: var(--paper); }
.tabset__tab[aria-selected="true"] { background: var(--orange); color: #1A130C; }
.tabset__panel { padding-top: 18px; }

/* ---------- 14. 进场动效 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* =========================================================================
   15. 头部
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line-soft);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--orange) 0 16%, var(--gold) 16% 24%, transparent 24%);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  background: var(--orange);
  color: #1A130C;
  font-size: 14px;
  font-weight: 700;
  padding: 11px 18px;
  border-radius: 1px;
  transition: top 0.2s var(--ease);
}

.skip-link:focus { top: 12px; }

/* 滚动进度 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 140;
  background: rgba(21, 15, 9, 0.5);
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--orange) 0%, var(--gold) 100%);
  transition: width 0.1s linear;
}

/* 索引条 */
.index-bar {
  background: #241B12;
  border-bottom: 1px solid var(--line-faint);
}

.index-bar__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px var(--gutter);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.index-bar__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.16);
}

.index-bar__label { color: var(--glacier); white-space: nowrap; }
.index-bar__sep { color: var(--line); }

.index-bar__note {
  color: #9B8F7D;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.index-bar__status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--grass-lift);
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grass-lift);
  animation: statusPulse 2.4s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

/* 命令栏 */
.cmd-bar { background: var(--ink-deep); }

.cmd-bar__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand__badge {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  padding: 9px 9px 8px;
  background: var(--orange);
  color: #1A130C;
  border-radius: 1px;
}

.brand__text { display: flex; flex-direction: column; line-height: 1.16; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.brand__en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #9C8B76;
}

.brand--footer .brand__name { font-size: 20px; }

/* 导航 */
.cmd-nav { flex: 1 1 auto; min-width: 0; }

.cmd-nav__list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: clamp(0px, 0.7vw, 10px);
}

.cmd-nav__item { flex: 0 0 auto; }

.cmd-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 8px 7px;
  font-size: 14px;
  font-weight: 600;
  color: #D9CFC0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.18s, border-color 0.18s;
}

.cmd-nav__idx {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
  opacity: 0.75;
}

.cmd-nav__link:hover { color: var(--paper); border-bottom-color: var(--orange-deep); }

.cmd-nav__link[aria-current="page"] {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.cmd-nav__link[aria-current="page"] .cmd-nav__idx { color: var(--orange); opacity: 1; }

.cmd-bar__cta { flex: 0 0 auto; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: 1px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s;
}

.nav-toggle:hover { border-color: var(--orange); color: var(--orange); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
  flex: 0 0 auto;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--orange);
  transition: transform 0.22s var(--ease), opacity 0.18s;
}

.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 5px; }
.nav-toggle__bars span:nth-child(3) { top: 10px; }

.site-header[data-open="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 头部：平板 */
@media (max-width: 1080px) {
  .cmd-nav__link { font-size: 13px; padding: 8px 5px; }
  .cmd-bar__cta { font-size: 12.5px; padding: 9px 12px; }
}

/* 头部：移动 */
@media (max-width: 900px) {
  .index-bar__note { display: none; }

  .cmd-bar__inner { padding: 10px var(--gutter); gap: 10px; }
  .brand { margin-right: auto; }

  .nav-toggle { display: inline-flex; }

  .cmd-bar__cta { display: none; }

  .cmd-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    background: var(--ink-deep);
    border-top: 1px solid var(--line-soft);
    border-bottom: 2px solid var(--orange);
    padding: 4px var(--gutter) 18px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .site-header[data-open="true"] .cmd-nav { display: block; }

  .cmd-nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .cmd-nav__item { width: 100%; }

  .cmd-nav__link {
    width: 100%;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-soft);
    border-left: 2px solid transparent;
  }

  .cmd-nav__link:hover { border-bottom-color: var(--line-soft); }

  .cmd-nav__link[aria-current="page"] {
    border-left-color: var(--orange);
    border-bottom-color: var(--line-soft);
    padding-left: 13px;
  }

  .cmd-nav__idx { font-size: 10.5px; }
}

@media (max-width: 480px) {
  .index-bar__label { font-size: 11px; }
  .brand__en { display: none; }
}

/* =========================================================================
   16. 页脚
   ========================================================================= */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--ink-deep);
  color: var(--text-mid);
  border-top: 1px solid var(--line-soft);
  margin-top: clamp(40px, 6vw, 80px);
}

.site-footer__halfline {
  height: 3px;
  background-image: repeating-linear-gradient(90deg, var(--orange) 0 18px, transparent 18px 34px);
  opacity: 0.85;
}

.site-footer__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 64px) var(--gutter) clamp(26px, 3.5vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(24px, 4vw, 56px);
}

.site-footer__masthead {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.site-footer__claim {
  font-family: var(--font-editorial);
  font-size: 15.5px;
  line-height: 1.55;
  color: #B9AD9B;
  max-width: 30ch;
  margin: 0;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 32px);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 16px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-soft);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  color: #CFC4B3;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.18s, border-color 0.18s;
}

.footer-link::before {
  content: "";
  width: 6px;
  height: 1px;
  background: var(--line);
  flex: 0 0 auto;
  transition: width 0.18s, background-color 0.18s;
}

.footer-link:hover { color: var(--paper); border-bottom-color: var(--orange); }
.footer-link:hover::before { width: 13px; background: var(--orange); }

.site-footer__base {
  background: var(--ink-base);
  border-top: 1px solid var(--line-soft);
}

.site-footer__baseinner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter) 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.footer-legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--line);
}

@media (max-width: 900px) {
  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .footer-cols { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}

/* =========================================================================
   17. 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 [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .scroll-progress__bar { transition: none; }

  .btn:hover,
  .filter-chip:hover,
  .footer-link:hover { transform: none; }
}