/* =========================================================
   完美体育赛场 · /assets/site.css
   共享外壳：reset / tokens / 中文排版 / 页头 / 页脚 / 通用组件
   ========================================================= */

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

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

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

ul, ol { list-style: none; }

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

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

i { font-style: normal; }

table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid #D9A441;
  outline-offset: 3px;
}

/* ---------- 2. Tokens ---------- */
:root {
  --ink-900: #101A33;
  --ink-800: #16223F;
  --ink-700: #1B2A4A;
  --ink-600: #22345A;
  --gold: #D9A441;
  --gold-soft: #F0C878;
  --cyan: #29D3C2;
  --orange: #FF7A3D;
  --paper: #F5F1E8;
  --slate: #7C8AA5;
  --paper-80: rgba(245, 241, 232, .8);
  --paper-62: rgba(245, 241, 232, .62);
  --line: rgba(124, 138, 165, .28);
  --line-strong: rgba(124, 138, 165, .5);
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
  --shell: 1280px;
  --gutter: clamp(18px, 4.2vw, 56px);
  --dur: .22s;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --z-header: 60;
}

/* ---------- 3. 中文排版与页面底色 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(880px 420px at 10% -6%, rgba(41, 211, 194, .10), transparent 70%),
    radial-gradient(760px 380px at 88% 2%, rgba(217, 164, 65, .13), transparent 72%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 42%, var(--ink-900) 100%);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
}

/* 8px 精密细网格：全站统一的坐标系底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(124, 138, 165, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 138, 165, .06) 1px, transparent 1px),
    linear-gradient(to right, rgba(124, 138, 165, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 138, 165, .055) 1px, transparent 1px);
  background-size: 8px 8px, 8px 8px, 96px 96px, 96px 96px;
}

main, .site-footer { position: relative; z-index: 1; }

p { max-width: 72ch; }

strong, b { color: var(--gold-soft); font-weight: 700; }

a { transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease); }

::selection { background: var(--gold); color: var(--ink-900); }

/* ---------- 4. 容器与节奏 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(34px, 5.5vw, 78px); }
.section--tight { padding-block: clamp(20px, 3vw, 40px); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- 5. 页头 ---------- */
.skip-link {
  position: absolute;
  top: -64px;
  left: var(--gutter);
  z-index: 200;
  padding: 10px 18px;
  background: var(--gold);
  color: var(--ink-900);
  font-size: 13px;
  letter-spacing: .12em;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 8px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(16, 26, 51, .9);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

/* 上层窄栏：品牌署名 + 客服状态 */
.header-top {
  overflow: hidden;
  max-height: 120px;
  background: linear-gradient(90deg, rgba(27, 42, 74, .92), rgba(16, 26, 51, .55));
  border-bottom: 1px solid var(--line);
  transition: max-height .28s var(--ease), opacity var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-compact .header-top {
  max-height: 0;
  opacity: 0;
  border-color: transparent;
}

.header-top__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 11px;
}

.brand-signature {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.brand-signature__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--paper);
}
.brand-signature__rule {
  display: inline-block;
  width: 34px;
  height: 1px;
  background: var(--gold);
}
.brand-signature__line {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}
.brand-signature:hover .brand-signature__line { color: var(--gold-soft); }

.header-utility {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}
.header-utility__status { display: inline-flex; align-items: center; gap: 8px; }
.header-utility__status::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
}
.header-utility__mail {
  color: var(--gold-soft);
  border-bottom: 1px solid transparent;
}
.header-utility__mail:hover { border-color: var(--gold-soft); }

/* 下层栏目层 */
.header-bar { position: relative; }

.header-bar__inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: clamp(14px, 3vw, 32px);
  min-height: 62px;
}

.primary-nav { border-left: 2px solid var(--gold); }

.primary-nav__list {
  display: flex;
  align-items: stretch;
  counter-reset: nav;
  overflow-x: auto;
  scrollbar-width: none;
}
.primary-nav__list::-webkit-scrollbar { display: none; }

.primary-nav__item { display: flex; }

.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .55em;
  height: 100%;
  min-height: 62px;
  padding: 0 18px;
  border-left: 1px solid var(--line);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--paper);
  white-space: nowrap;
}
.primary-nav__link::before {
  counter-increment: nav;
  content: counter(nav, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate);
}
.primary-nav__link:hover {
  background: rgba(217, 164, 65, .09);
  color: var(--gold-soft);
  transform: translateY(-2px);
}
.primary-nav__link:hover::before { color: var(--gold); }
.primary-nav__link[aria-current="page"] { color: var(--gold); }
.primary-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  background: var(--gold);
}

.header-legend {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}
.header-legend__key { display: inline-flex; align-items: center; gap: 7px; }
.header-legend__key::before { content: ""; width: 8px; height: 8px; }
.header-legend__key--a::before { background: var(--cyan); }
.header-legend__key--b::before { background: var(--orange); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 11px;
  padding: 12px 16px;
  align-self: center;
  border: 1px solid var(--line-strong);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .2em;
}
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars i { display: block; height: 1px; background: var(--gold); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-toggle.is-active .nav-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.is-active .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle.is-active .nav-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.scroll-rail {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--gold) 55%, var(--orange));
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 120px);
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(27, 42, 74, .6), rgba(16, 26, 51, .96));
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: var(--gutter);
  width: min(220px, 40vw);
  height: 2px;
  background: var(--gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: clamp(24px, 3.6vw, 46px);
  padding-block: clamp(38px, 5.5vw, 70px);
}

.footer-col { min-width: 0; }

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--paper);
}
.footer-brand__line {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold-soft);
}
.footer-brand__meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.9;
  color: var(--slate);
}

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}
.footer-col__title::before { content: ""; width: 14px; height: 1px; background: var(--gold); }

.footer-list__item { margin-bottom: 10px; }

.footer-link {
  display: inline-block;
  font-size: 14px;
  color: var(--paper-80);
  border-bottom: 1px solid transparent;
}
.footer-link:hover { color: var(--gold-soft); border-bottom-color: var(--gold-soft); }

.footer-service {
  display: inline-block;
  font-size: 14px;
  color: var(--slate);
}
.footer-service::before { content: "—"; margin-right: 8px; color: var(--line-strong); }

.footer-contact__item {
  display: block;
  margin-bottom: 12px;
}
.footer-contact__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate);
}
.footer-contact__val {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--paper);
  word-break: break-word;
}

.footer-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.8;
  color: var(--slate);
}

.footer-icp { font-family: var(--font-mono); letter-spacing: .06em; }

.footer-base { border-top: 1px solid var(--line); }
.footer-base__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}
.footer-base__copy { max-width: none; }

/* ---------- 7. 标题与正文组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--gold); }

.display-xl {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 7vw, 6.8rem);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--paper);
}
.display-l {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--paper);
}
.lede {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--paper-80);
  max-width: 62ch;
}

.prose { max-width: 72ch; }
.prose p { margin-bottom: 1.5em; color: var(--paper-80); }
.prose h2, .prose h3 { margin: 1.9em 0 .7em; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
  padding-bottom: 16px;
  margin-bottom: clamp(22px, 3vw, 38px);
  border-bottom: 1px solid var(--line-strong);
}
.section-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
  letter-spacing: -.01em;
  color: var(--paper);
}
.section-head__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: rgba(27, 42, 74, .5);
  color: var(--paper);
  font-size: 14px;
  letter-spacing: .12em;
}
.btn:hover { transform: translateY(-2px); border-color: var(--gold); color: var(--gold-soft); }

.btn--gold { background: var(--gold); border-color: var(--gold); color: var(--ink-900); font-weight: 700; }
.btn--gold:hover { background: var(--gold-soft); border-color: var(--gold-soft); color: var(--ink-900); }

.btn--cyan { border-color: rgba(41, 211, 194, .6); color: var(--cyan); background: rgba(41, 211, 194, .08); }
.btn--cyan:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(41, 211, 194, .16); }

.btn--orange { border-color: rgba(255, 122, 61, .6); color: var(--orange); background: rgba(255, 122, 61, .08); }
.btn--orange:hover { border-color: var(--orange); color: var(--orange); background: rgba(255, 122, 61, .16); }

/* ---------- 9. 栅格 ---------- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(20px, 3vw, 36px);
}
.col-main { grid-column: 1 / span 8; min-width: 0; }
.col-aside { grid-column: 10 / span 3; min-width: 0; }

/* ---------- 10. 面包屑 ---------- */
.breadcrumb { padding-top: 20px; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}
.breadcrumb__item { display: inline-flex; align-items: center; gap: 10px; }
.breadcrumb__item:not(:last-child)::after { content: "/"; color: var(--line-strong); }
.breadcrumb__link { color: var(--slate); }
.breadcrumb__link:hover { color: var(--gold-soft); }
.breadcrumb__current { color: var(--gold); }

/* ---------- 11. 专题研究板 ---------- */
.board {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(27, 42, 74, .55), rgba(16, 26, 51, .65));
}
.board::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--gold);
}
.board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.board__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}
.board__body > * + * { margin-top: 16px; }

/* ---------- 12. 证据区 ---------- */
.evidence {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}
.evidence__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 16px;
  padding: 12px 16px;
  background: var(--ink-900);
}
.evidence__key { font-size: 14px; color: var(--paper-80); }
.evidence__val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .08em;
  color: var(--paper);
}
.evidence__row--a .evidence__val { color: var(--cyan); }
.evidence__row--b .evidence__val { color: var(--orange); }

/* ---------- 13. 对比条 ---------- */
.meter { display: grid; gap: 8px; }
.meter__track {
  position: relative;
  height: 8px;
  background: rgba(124, 138, 165, .18);
}
.meter__bar { display: block; height: 100%; width: 0; }
.meter__bar--a { background: var(--cyan); }
.meter__bar--b { background: var(--orange); }

/* ---------- 14. 标记 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
}
.tag--a { color: var(--cyan); }
.tag--b { color: var(--orange); }
.tag--gold { color: var(--gold); }

/* ---------- 15. 图片容器（页面阶段放入占位图） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--ink-700), var(--ink-900) 72%);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(124, 138, 165, .14) 0 1px, transparent 1px 8px);
  opacity: .55;
}
.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 16 / 7; }
.media-frame--photo { aspect-ratio: 3 / 2; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame__cap {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}

/* ---------- 16. 层叠目录 ---------- */
.index-list { display: grid; border-top: 1px solid var(--line); }
.index-list__item { border-bottom: 1px solid var(--line); }
.index-list__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 18px;
  padding: clamp(15px, 2vw, 24px) 4px;
}
.index-list__link:hover { background: rgba(217, 164, 65, .07); padding-left: 16px; }
.index-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}
.index-list__title { font-size: clamp(1rem, 1.5vw, 1.28rem); font-weight: 600; color: var(--paper); }
.index-list__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
  text-align: right;
}

/* ---------- 17. 双版本切换 ---------- */
.tabs__list {
  display: flex;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--line);
  border-bottom: 0;
  overflow-x: auto;
}
.tabs__btn {
  padding: 12px 22px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--slate);
  white-space: nowrap;
}
.tabs__btn:last-child { border-right: 0; }
.tabs__btn:hover { color: var(--paper); background: rgba(217, 164, 65, .07); }
.tabs__btn[aria-selected="true"] { color: var(--paper); background: rgba(217, 164, 65, .1); }
.tabs__btn[data-version="a"][aria-selected="true"] {
  color: var(--cyan);
  background: rgba(41, 211, 194, .14);
  box-shadow: inset 0 -2px 0 var(--cyan);
}
.tabs__btn[data-version="b"][aria-selected="true"] {
  color: var(--orange);
  background: rgba(255, 122, 61, .14);
  box-shadow: inset 0 -2px 0 var(--orange);
}
.tabs__panel {
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--line);
  background: rgba(27, 42, 74, .45);
}
.tabs__panel[hidden] { display: none; }

/* ---------- 18. 显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .col-main, .col-aside { grid-column: 1 / -1; }
  .header-legend { display: none; }
}

@media (max-width: 900px) {
  .header-top { max-height: 200px; }
  .site-header.is-compact .header-top { max-height: 200px; opacity: 1; border-color: var(--line); }

  .header-bar__inner { min-height: 58px; align-items: center; }
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 70;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    border-left: 0;
    border-bottom: 1px solid var(--line-strong);
    background: linear-gradient(180deg, rgba(16, 26, 51, .99), rgba(27, 42, 74, .99));
    transition: max-height .28s var(--ease), opacity var(--dur) var(--ease), visibility var(--dur);
  }
  .primary-nav[data-open="true"] {
    max-height: min(72vh, 520px);
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
  }
  .primary-nav__list { flex-direction: column; align-items: stretch; }
  .primary-nav__item { border-bottom: 1px solid var(--line); }
  .primary-nav__link {
    width: 100%;
    min-height: 0;
    padding: 15px var(--gutter);
    border-left: 0;
    font-size: 16px;
  }
  .primary-nav__link:hover { transform: none; }
  .primary-nav__link[aria-current="page"]::after { left: var(--gutter); right: auto; width: 42px; bottom: 8px; }
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-top__inner { flex-direction: column; align-items: flex-start; }
  .brand-signature__line { letter-spacing: .12em; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base__inner { flex-direction: column; align-items: flex-start; }
  .index-list__link { grid-template-columns: auto 1fr; }
  .index-list__meta { grid-column: 2; text-align: left; }
}

/* ---------- 20. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .scroll-rail { display: none; }
}