/* ==========================================================================
   亚愽看台 · 共享样式 /assets/site.css
   赛场夜灯 + 戈壁星空：暗面骨架、暖白纸阅读面、落日金锚点、橙红数据高亮
   ========================================================================== */

/* ---------- 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, dt, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { width: 100%; border-collapse: collapse; }
hr { border: 0; border-top: 1px solid #E3DACB; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --night: #0B1424;
  --ink: #05080F;
  --panel: #16233A;
  --gold: #F0A62B;
  --gold-soft: #FBD489;
  --flare: #FF5A2F;
  --paper: #F7F3EA;
  --sand: #E3DACB;
  --white: #FFFFFF;
  --cyan: #4FC3C7;
  --muted: #5B6B82;

  --font-display: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", system-ui, -apple-system, "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Source Han Mono SC", monospace;

  --rail-w: 88px;
  --topbar-h: 60px;
  --wrap: 1280px;

  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 48px;
  --sp-6: 72px;

  --ease: cubic-bezier(.2, .6, .2, 1);
  --line: rgba(5, 8, 15, .18);
  --line-light: rgba(247, 243, 234, .16);
}

/* ---------- 3. 基础排版 ---------- */
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  padding-top: var(--topbar-h);
  min-height: 100vh;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.015em;
  font-stretch: condensed;
}
h1 { font-size: clamp(40px, 7vw, 84px); letter-spacing: -.03em; }
h2 { font-size: clamp(28px, 4vw, 40px); }
h3 { font-size: clamp(20px, 2.6vw, 28px); }
h4 { font-size: 20px; }
p { text-wrap: pretty; }
strong { font-weight: 700; }
::selection { background: var(--gold); color: var(--ink); }
:focus-visible { outline: 2px solid var(--flare); outline-offset: 2px; }
.rail :focus-visible,
.topbar :focus-visible,
.site-footer :focus-visible { outline-color: var(--gold-soft); }
#main-content { scroll-margin-top: calc(var(--topbar-h) + 16px); }

.prose { max-width: 34em; }
.prose p + p { margin-top: 1.1em; }
.prose h2, .prose h3 { margin-top: 1.8em; margin-bottom: .55em; }
.prose ul { margin: 1em 0; display: flex; flex-direction: column; gap: 8px; }
.prose li { padding-left: 18px; position: relative; }
.prose li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 2px; background: var(--gold); }

/* ---------- 4. 布局 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.wrap--wide { max-width: 1440px; }
.wrap--narrow { max-width: 820px; }
.section { padding-block: clamp(40px, 6vw, 80px); }
.section--tight { padding-block: clamp(26px, 4vw, 48px); }
.grid { display: grid; gap: var(--sp-3); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stack { display: flex; flex-direction: column; gap: var(--sp-2); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.split-rail { display: grid; gap: var(--sp-3); grid-template-columns: 1fr; }
@media (min-width: 900px) { .split-rail { grid-template-columns: 240px minmax(0, 1fr); } }

.edge-cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%); }
.edge-cut--rev { clip-path: polygon(0 0, 100% 56px, 100% 100%, 0 100%); }

/* ---------- 5. 堆叠面板 ---------- */
.panel {
  position: relative;
  background: var(--white);
  border: 1px solid var(--ink);
  padding: clamp(20px, 3vw, 28px);
}
.panel--paper { background: var(--paper); }
.panel--night { background: var(--night); color: var(--paper); border-color: var(--gold); }
.panel--panel { background: var(--panel); color: var(--paper); border-color: rgba(240, 166, 43, .38); }
.panel--gold { background: var(--gold); color: var(--ink); border-color: var(--ink); }
.panel--layer { box-shadow: 16px 16px 0 var(--sand); }
.panel--layer-dark { box-shadow: 16px 16px 0 rgba(11, 20, 36, .5); }
.panel--offset { margin-left: 24px; }
.panel__head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 16px;
  margin-bottom: 18px; padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}
.panel--night .panel__head, .panel--panel .panel__head { border-bottom-color: var(--line-light); }
.panel__index {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em;
  color: var(--flare); font-variant-numeric: tabular-nums;
}
.panel__title { font-size: clamp(20px, 2.4vw, 28px); font-weight: 800; }
.panel__note { margin-left: auto; font-size: 13px; color: var(--muted); font-family: var(--font-mono); }
.panel--night .panel__note, .panel--panel .panel__note { color: rgba(247, 243, 234, .62); }

/* ---------- 6. 标签与按钮 ---------- */
.label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; letter-spacing: .08em;
  padding: 3px 9px; border: 1px solid var(--ink); background: transparent;
}
.label--gold { background: var(--gold); border-color: var(--ink); color: var(--ink); }
.label--wire { border-color: rgba(247, 243, 234, .45); color: var(--paper); }
.label--flare { border-color: var(--flare); color: var(--flare); }
.label--muted { border-color: var(--sand); color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 11px 18px;
  font-family: var(--font-display); font-size: 15px; font-weight: 700; letter-spacing: .06em;
  border: 1px solid var(--ink); background: var(--white); color: var(--ink);
  transition: transform .12s var(--ease), background-color .12s var(--ease),
              color .12s var(--ease), border-color .12s var(--ease), box-shadow .18s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 rgba(5, 8, 15, .85); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn--gold { background: var(--gold); border-color: var(--ink); color: var(--ink); }
.btn--ink { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn--ghost { background: transparent; border-color: currentColor; color: inherit; }
.btn--block { width: 100%; }

/* ---------- 7. 图片容器 ---------- */
.media-box {
  position: relative; overflow: hidden;
  border: 1px solid var(--ink);
  background: linear-gradient(150deg, var(--night) 0%, var(--panel) 55%, #2A1B12 100%);
}
.media-box img, .media-box picture > img { width: 100%; height: 100%; object-fit: cover; }
.media-box--wide { aspect-ratio: 16 / 9; }
.media-box--panorama { aspect-ratio: 21 / 9; }
.media-box--square { aspect-ratio: 1 / 1; }
.media-box--tall { aspect-ratio: 3 / 4; }
.media-box__label {
  position: absolute; left: 0; bottom: 0; z-index: 2;
  background: var(--gold); color: var(--ink);
  font-size: 12px; letter-spacing: .08em; padding: 5px 10px;
  border-top: 1px solid var(--ink); border-right: 1px solid var(--ink);
}
.media-box__glow {
  position: absolute; right: -12%; bottom: -32%; width: 62%; height: 62%;
  background: radial-gradient(circle, rgba(255, 90, 47, .48), transparent 70%);
  pointer-events: none; z-index: 1;
}

/* ---------- 8. 头部：跳转链接 ---------- */
.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 200;
  transform: translateY(-180%);
  background: var(--gold); color: var(--ink);
  font-size: 14px; font-weight: 700; padding: 10px 16px;
  border: 1px solid var(--ink);
  transition: transform .16s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-header { position: relative; z-index: 100; }

/* ---------- 9. 品牌 ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; flex: 0 0 auto;
  background: var(--gold); color: var(--ink);
  font-family: var(--font-display); font-weight: 800; font-size: 16px;
}
.brand__name {
  font-family: var(--font-display); font-weight: 800; font-size: 16px;
  letter-spacing: .1em; color: var(--paper);
}
.brand__sub { font-size: 13px; letter-spacing: .04em; color: rgba(247, 243, 234, .6); }
.brand--bar .brand__mark { width: 28px; height: 28px; font-size: 13px; }
.brand--bar .brand__name { font-size: 15px; }
.brand--rail { gap: 8px; }
.brand--rail .brand__mark { width: 30px; height: 30px; font-size: 14px; }
.brand--rail .brand__name { font-size: 12px; letter-spacing: .24em; }
.brand--footer { flex-direction: column; align-items: flex-start; gap: 10px; }
.brand--footer .brand__mark { width: 46px; height: 46px; font-size: 20px; }
.brand--footer .brand__name { font-size: 21px; letter-spacing: .12em; }

/* ---------- 10. 左侧轨道 / 移动抽屉 ---------- */
.rail {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: min(320px, 86vw);
  display: flex; flex-direction: column; gap: 18px;
  padding: calc(var(--topbar-h) + 16px) 18px 26px;
  background: var(--night); color: var(--paper);
  border-right: 1px solid var(--gold);
  transform: translateX(-102%);
  transition: transform .24s var(--ease);
  overflow-y: auto; overflow-x: hidden;
  z-index: 85;
}
.rail[data-open] { transform: none; box-shadow: 14px 0 0 rgba(5, 8, 15, .35); }
.rail__brand { padding-bottom: 14px; border-bottom: 1px solid var(--line-light); }

.rail-nav { width: 100%; }
.rail-nav__list { display: flex; flex-direction: column; }
.rail-nav__item + .rail-nav__item { border-top: 1px solid rgba(247, 243, 234, .12); }
.rail-nav__link {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 10px;
  color: rgba(247, 243, 234, .78);
  transition: background-color .12s var(--ease), color .12s var(--ease),
              border-color .12s var(--ease);
}
.rail-nav__link:hover { background: rgba(240, 166, 43, .12); color: var(--paper); }
.rail-nav__glyph {
  display: grid; place-items: center;
  width: 26px; height: 26px; flex: 0 0 auto;
  border: 1px solid rgba(240, 166, 43, .5); color: var(--gold);
  font-size: 11px; font-weight: 700;
}
.rail-nav__text { font-size: 15px; font-weight: 600; letter-spacing: .06em; }
.rail-nav__link[aria-current="page"] { background: var(--gold); color: var(--ink); }
.rail-nav__link[aria-current="page"] .rail-nav__glyph {
  background: var(--ink); border-color: var(--ink); color: var(--gold-soft);
}

.rail__foot {
  display: flex; flex-direction: column; gap: 12px;
  margin-top: auto; padding-top: 16px;
  border-top: 1px solid var(--line-light);
}
.rail__cta { width: 100%; }
.rail__note { font-size: 12px; letter-spacing: .12em; color: rgba(247, 243, 234, .5); }

/* ---------- 11. 遮罩 ---------- */
.nav-scrim {
  position: fixed; inset: 0; z-index: 84;
  background: rgba(5, 8, 15, .62);
  opacity: 0; visibility: hidden;
  transition: opacity .24s var(--ease), visibility .24s var(--ease);
}
.nav-scrim[data-open] { opacity: 1; visibility: visible; }
@media (min-width: 1024px) { .nav-scrim { display: none; } }

/* ---------- 12. 顶部条 ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-h);
  background: var(--night); color: var(--paper);
  border-bottom: 1px solid var(--gold);
  z-index: 90;
}
.topbar__inner {
  height: 100%; max-width: 1440px; margin-inline: auto;
  padding-inline: 16px;
  display: flex; align-items: center; gap: 14px;
}
.topbar__tagline { display: none; font-size: 13px; letter-spacing: .12em; color: rgba(247, 243, 234, .64); }
.topbar__tools { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.quick-filter {
  display: none; align-items: center; gap: 8px;
  padding: 7px 12px; border: 1px solid rgba(240, 166, 43, .55);
  font-size: 13px; font-weight: 600; letter-spacing: .06em; color: var(--paper);
  transition: background-color .12s var(--ease), color .12s var(--ease), border-color .12s var(--ease);
}
.quick-filter:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.quick-filter__dot { width: 7px; height: 7px; background: var(--flare); flex: 0 0 auto; }
.quick-filter__caret { font-family: var(--font-mono); font-size: 11px; color: var(--gold); }
.quick-filter:hover .quick-filter__caret { color: var(--ink); }

.search-entry {
  display: none; align-items: center; gap: 8px; min-width: 240px;
  padding: 8px 12px; font-size: 13px;
  border: 1px solid rgba(247, 243, 234, .22);
  background: rgba(247, 243, 234, .05);
  color: rgba(247, 243, 234, .62);
  transition: border-color .12s var(--ease), background-color .12s var(--ease), color .12s var(--ease);
}
.search-entry:hover { border-color: var(--gold); background: rgba(240, 166, 43, .14); color: var(--paper); }
.search-entry__icon { font-family: var(--font-mono); font-size: 14px; color: var(--gold); }
.search-entry__placeholder { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-toggle {
  display: inline-flex; align-items: center; gap: 9px;
  margin-left: auto; padding: 8px 12px;
  border: 1px solid var(--gold); color: var(--gold);
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  transition: background-color .12s var(--ease), color .12s var(--ease);
}
.nav-toggle:hover { background: rgba(240, 166, 43, .16); }
.nav-toggle[aria-expanded="true"] { background: var(--gold); color: var(--ink); }
.nav-toggle__bars { display: flex; flex-direction: column; gap: 4px; width: 18px; }
.nav-toggle__bars span {
  display: block; height: 2px; background: currentColor;
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.scroll-progress {
  position: fixed; top: var(--topbar-h); left: 0; right: 0; height: 3px;
  background: transparent; pointer-events: none; z-index: 91;
}
.scroll-progress__bar {
  display: block; width: 0; height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--flare));
}

/* ---------- 13. 页脚 ---------- */
.site-footer {
  background: var(--ink); color: rgba(247, 243, 234, .74);
  border-top: 1px solid var(--gold);
  margin-top: var(--sp-5);
}
.footer__wrap {
  max-width: var(--wrap); margin-inline: auto;
  padding: 52px 20px 32px;
  display: grid; gap: 32px;
  grid-template-columns: 1fr;
}
.footer__brand { display: flex; flex-direction: column; gap: 16px; }
.footer__meta { font-size: 13px; line-height: 1.7; max-width: 30em; color: rgba(247, 243, 234, .55); }
.footer__col { display: flex; flex-direction: column; align-items: flex-start; }
.footer__col-title {
  display: inline-block; margin-bottom: 16px; padding: 6px 10px;
  font-family: var(--font-display); font-size: 12px; font-weight: 700; letter-spacing: .16em;
  color: var(--gold); border: 1px solid rgba(240, 166, 43, .45);
  background: rgba(240, 166, 43, .07);
}
.footer__list { counter-reset: footer-index; display: flex; flex-direction: column; gap: 10px; width: 100%; }
.footer__item { display: block; }
.footer__link {
  display: inline-flex; align-items: baseline;
  font-size: 14px; color: rgba(247, 243, 234, .76);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat; background-position: 0 100%; background-size: 0 1px;
  transition: background-size .16s var(--ease), color .12s var(--ease);
}
.footer__link::before {
  counter-increment: footer-index;
  content: counter(footer-index, decimal-leading-zero);
  font-family: var(--font-mono); font-size: 11px; color: var(--gold);
  margin-right: 8px;
}
.footer__link:hover, .footer__link:focus-visible { color: var(--gold-soft); background-size: 100% 1px; }

.footer__contact {
  max-width: var(--wrap); margin-inline: auto;
  padding: 22px 20px;
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  border-top: 1px solid var(--line-light);
  font-size: 13px; color: rgba(247, 243, 234, .62);
}
.footer__contact-item { display: inline-flex; gap: 8px; flex-wrap: wrap; }
.footer__value { font-family: var(--font-mono); font-size: 13px; color: var(--paper); letter-spacing: .02em; }
.footer__contact-note { flex-basis: 100%; font-size: 12px; color: rgba(247, 243, 234, .45); }

.footer__legal {
  max-width: var(--wrap); margin-inline: auto;
  padding: 16px 20px 40px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  border-top: 1px solid rgba(247, 243, 234, .1);
  font-size: 12px; letter-spacing: .06em; color: rgba(247, 243, 234, .48);
}
.footer__legal-item { display: inline-flex; align-items: baseline; gap: 6px; }

/* ---------- 14. 内容组件 ---------- */
.breadcrumbs { padding-block: 14px; }
.breadcrumbs__list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.breadcrumbs__link {
  font-weight: 600; color: var(--ink);
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat; background-position: 0 100%; background-size: 0 1px;
  transition: background-size .16s var(--ease);
}
.breadcrumbs__link:hover { background-size: 100% 1px; }
.breadcrumbs__sep { font-family: var(--font-mono); color: var(--sand); }
.breadcrumbs__item[aria-current="page"],
.breadcrumbs__link[aria-current="page"] { color: var(--flare); font-family: var(--font-mono); font-size: 12px; }

.table-scroll { overflow-x: auto; border: 1px solid var(--ink); background: var(--white); }
.data-table { width: 100%; font-size: 15px; min-width: 520px; }
.data-table caption { text-align: left; padding: 0 0 10px; font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--sand); }
.data-table thead th {
  background: var(--night); color: var(--paper);
  font-size: 12px; font-weight: 600; letter-spacing: .1em;
  border-bottom-color: var(--ink);
}
.data-table tbody tr:nth-child(even) { background: rgba(227, 218, 203, .35); }
.data-table .is-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; }
.data-table .is-hot { color: var(--flare); font-weight: 700; }

.index-list { display: grid; gap: 0; border-top: 1px solid var(--ink); }
.index-item { display: flex; align-items: baseline; gap: 14px; padding: 12px 4px; border-bottom: 1px solid var(--sand); }
.index-item__no { font-family: var(--font-mono); font-size: 12px; color: var(--flare); min-width: 34px; }
.index-item__label { font-weight: 700; }
.index-item__meta { margin-left: auto; font-family: var(--font-mono); font-size: 13px; color: var(--muted); }

.timeline { position: relative; display: flex; flex-direction: column; border-left: 2px solid var(--gold); padding-left: 20px; }
.timeline__item { position: relative; padding-bottom: 24px; }
.timeline__item::before {
  content: ""; position: absolute; left: -27px; top: 8px;
  width: 10px; height: 10px; background: var(--gold); border: 1px solid var(--ink);
}
.timeline__time { font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em; color: var(--flare); }
.timeline__title { font-weight: 700; font-size: 17px; }

.switch {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 12px; border: 1px solid var(--ink); background: var(--white);
  font-size: 14px; transition: background-color .12s var(--ease), border-color .12s var(--ease);
}
.switch__track { position: relative; width: 40px; height: 20px; flex: 0 0 auto; background: var(--sand); border: 1px solid var(--ink); }
.switch__knob {
  position: absolute; top: 1px; left: 1px; width: 16px; height: 16px;
  background: var(--ink);
  transition: transform .18s var(--ease), background-color .18s var(--ease);
}
.switch[aria-checked="true"] { background: var(--gold-soft); border-color: var(--ink); }
.switch[aria-checked="true"] .switch__knob { transform: translateX(20px); background: var(--flare); }
.switch__label { font-weight: 600; letter-spacing: .04em; }

/* ---------- 15. 工具类 ---------- */
.u-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.u-gold { color: var(--gold); }
.u-flare { color: var(--flare); }
.u-muted { color: var(--muted); }
.u-vertical { writing-mode: vertical-rl; }
.u-hairline { border-top: 1px solid var(--sand); }
.u-sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}
.u-link {
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat; background-position: 0 100%; background-size: 0 1px;
  transition: background-size .16s var(--ease);
}
.u-link:hover, .u-link:focus-visible { background-size: 100% 1px; }
.data-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: .02em; }

/* ---------- 16. 滚动浮现 ---------- */
.has-js [data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 17. 响应式 ---------- */
@media (min-width: 640px) {
  .topbar__inner { padding-inline: 20px; }
  .footer__wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (min-width: 820px) {
  .quick-filter { display: inline-flex; }
}
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
  .topbar { left: var(--rail-w); }
  .scroll-progress { left: var(--rail-w); }
  .brand--bar { display: none; }
  .topbar__tagline { display: block; }
  .nav-toggle { display: none; }
  .brand--rail .brand__name { writing-mode: vertical-rl; }
  .rail {
    width: var(--rail-w);
    gap: 0;
    padding: 18px 0 20px;
    transform: none;
    transition: none;
    z-index: 88;
    scrollbar-width: none;
  }
  .rail::-webkit-scrollbar { width: 0; }
  .rail[data-open] { box-shadow: none; }
  .rail__brand { display: flex; justify-content: center; padding: 0 6px 16px; }
  .rail-nav { flex: 1 1 auto; display: flex; justify-content: center; padding: 12px 0; }
  .rail-nav__list { align-items: center; gap: 4px; }
  .rail-nav__item + .rail-nav__item { border-top: 0; }
  .rail-nav__link {
    flex-direction: column; gap: 5px;
    width: 64px; padding: 8px 0;
    border: 1px solid transparent;
  }
  .rail-nav__link:hover { border-color: rgba(240, 166, 43, .5); background: rgba(240, 166, 43, .1); }
  .rail-nav__link[aria-current="page"] { border-color: var(--gold); background: var(--gold); color: var(--ink); }
  .rail-nav__glyph { width: auto; height: auto; border: 0; font-size: 11px; letter-spacing: .06em; }
  .rail-nav__text { writing-mode: vertical-rl; font-size: 12px; letter-spacing: .1em; line-height: 1; }
  .rail__foot { align-items: center; gap: 10px; padding: 14px 6px 0; margin-top: 0; border-top: 1px solid var(--line-light); }
  .rail__cta { width: 56px; padding: 16px 0; font-size: 12px; letter-spacing: .2em; writing-mode: vertical-rl; }
  .rail__note { display: none; }
  .search-entry { display: inline-flex; }
  .search-entry--rail { display: none; }
  .footer__wrap { grid-template-columns: minmax(220px, 1.4fr) repeat(4, minmax(120px, 1fr)); padding-top: 64px; }
  .footer__brand { grid-column: auto; }
}
@media (min-width: 1100px) {
  .wrap { padding-inline: 32px; }
}
@media (max-width: 1023.98px) {
  body.nav-open { overflow: hidden; }
  .search-entry--rail { display: flex; width: 100%; min-width: 0; }
  .rail__cta { writing-mode: horizontal-tb; }
}

/* ---------- 18. 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;
  }
  .has-js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .btn:hover { transform: none; box-shadow: none; }
}