/* ============================================================
   全民体育CN官方指南 / 共享样式表 /assets/site.css
   碳黑基底 · 深墨绿面板 · 荧光橙强调 · 电光蓝差异
   ============================================================ */

/* ---------- 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, picture, video, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; }

/* ---------- 2. Tokens ---------- */
:root {
  --c-carbon: #080F0D;
  --c-panel: #10241F;
  --c-lift: #17362D;
  --c-line: rgba(158, 155, 146, 0.2);
  --c-line-strong: #2A4A40;
  --c-orange: #FF6A1A;
  --c-orange-soft: #FFA35C;
  --c-blue: #4EA8FF;
  --c-cream: #EFE9DC;
  --c-stone: #9E9B92;
  --c-moss: #6F8779;
  --c-clay: #B4643F;

  --shell: 1280px;
  --gutter: clamp(16px, 3vw, 40px);
  --border-w: 2px;
  --shadow-hard: 8px 8px 0 rgba(4, 9, 8, 0.72);
  --shadow-soft: 4px 4px 0 rgba(4, 9, 8, 0.62);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ---------- 3. Base & 中文排版 ---------- */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--c-carbon);
  background-image:
    radial-gradient(1200px 620px at 84% -12%, rgba(23, 54, 45, 0.6), transparent 72%),
    repeating-linear-gradient(180deg, rgba(158, 155, 146, 0.05) 0 1px, transparent 1px 96px);
  color: var(--c-cream);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 768px) { body { font-size: 17px; } }
@media (min-width: 1200px) { body { font-size: 18px; } }

main { flex: 1 1 auto; }
#main-content { scroll-margin-top: 118px; }

::selection { background: var(--c-orange); color: var(--c-carbon); }

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.06;
  color: var(--c-cream);
  text-wrap: balance;
}
h1 { font-size: clamp(34px, 5.4vw, 80px); }
h2 { font-size: clamp(26px, 3.4vw, 46px); }
h3 { font-size: clamp(20px, 2.1vw, 30px); }
h4 { font-size: 18px; letter-spacing: 0; line-height: 1.3; }

p { text-wrap: pretty; }
strong { color: var(--c-cream); font-weight: 700; }

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

.prose { max-width: 72ch; }
.prose p + p { margin-top: 1em; }
.prose ul, .prose ol { margin-top: 1em; padding-left: 1.2em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }
.prose a { color: var(--c-orange); text-decoration: underline; text-underline-offset: 3px; }

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

.section {
  padding-block: clamp(40px, 6vw, 88px);
  border-top: 1px solid var(--c-line);
}
.section--flush { border-top: 0; }
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: var(--border-w) solid var(--c-line-strong);
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-orange);
}
.rule {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-moss);
  margin-bottom: 18px;
}
.rule::after { content: ""; flex: 1 1 auto; height: 1px; background: var(--c-line-strong); }

/* 网格 */
.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--aside { display: grid; gap: clamp(20px, 3vw, 44px); grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1100px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--aside { grid-template-columns: minmax(210px, 1fr) minmax(0, 3fr); align-items: start; }
}

/* 左侧坐标索引 */
.index-column { position: relative; }
@media (min-width: 1024px) { .index-column { position: sticky; top: 112px; align-self: start; } }
.index-list { display: grid; gap: 2px; border-left: var(--border-w) solid var(--c-line-strong); }
.index-list__item { display: block; }
.index-list__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--c-stone);
  border-left: 3px solid transparent;
  margin-left: calc(-1 * var(--border-w));
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.index-list__num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--c-moss); }
.index-list__link:hover { color: var(--c-cream); background: var(--c-lift); }
.index-list__link.is-active,
.index-list__link[aria-current="true"] {
  color: var(--c-cream);
  background: var(--c-lift);
  border-left-color: var(--c-orange);
}
.index-list__link.is-active .index-list__num,
.index-list__link[aria-current="true"] .index-list__num { color: var(--c-orange); }

[data-read-section] { scroll-margin-top: 118px; }
[data-read-section].is-current .section__head { border-bottom-color: var(--c-orange); }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--c-carbon);
  border-bottom: var(--border-w) solid var(--c-line-strong);
  box-shadow: 0 10px 26px rgba(3, 7, 6, 0.6);
}

.skip-link {
  position: absolute;
  left: 10px;
  top: -70px;
  z-index: 120;
  padding: 12px 20px;
  background: var(--c-orange);
  color: var(--c-carbon);
  font-weight: 700;
  letter-spacing: 0.04em;
  border: var(--border-w) solid var(--c-carbon);
  box-shadow: var(--shadow-soft);
  transition: top 0.16s ease;
}
.skip-link:focus { top: 10px; }

.read-progress {
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 6;
  background: rgba(158, 155, 146, 0.14);
  pointer-events: none;
}
.read-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-orange-soft), var(--c-orange));
  transition: transform 0.1s linear;
}

/* 上层：品牌说明带 + 快捷操作 */
.header-upper { border-bottom: 1px solid var(--c-line); }
.header-upper__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 8px;
}
.header-upper__line {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-moss);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-upper__meta { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 5px 10px;
  border: 1px solid var(--c-line-strong);
  background: rgba(23, 54, 45, 0.6);
  color: var(--c-stone);
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.header-chip:hover { color: var(--c-carbon); background: var(--c-orange); border-color: var(--c-orange); }
.header-legal {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 5px 10px;
  border: 1px dashed var(--c-moss);
  color: var(--c-stone);
  white-space: nowrap;
}

/* 下层：品牌 + 栏目 */
.header-lower { position: relative; background: var(--c-panel); }
.header-lower__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 6px;
}

.brand { display: inline-flex; flex-direction: column; gap: 3px; padding: 8px 0; }
.brand__mark { font-size: clamp(19px, 2.4vw, 26px); font-weight: 900; letter-spacing: -0.01em; line-height: 1; color: var(--c-cream); }
.brand__mark::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 8px;
  background: var(--c-orange);
}
.brand__sub { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--c-moss); }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: var(--border-w) solid var(--c-line-strong);
  background: var(--c-carbon);
  color: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}
.nav-toggle:hover { border-color: var(--c-orange); color: var(--c-orange); }
.nav-toggle__bars { position: relative; display: block; width: 18px; height: 12px; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-orange);
  transition: transform 0.18s ease;
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

.primary-nav { display: block; }
.primary-nav__list { display: block; }
.primary-nav__link {
  display: block;
  color: var(--c-stone);
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.primary-nav__link:hover { color: var(--c-cream); background: var(--c-lift); }
.primary-nav__link[aria-current="page"] {
  color: var(--c-cream);
  background: var(--c-lift);
  border-bottom-color: var(--c-orange);
}

/* 移动端折叠面板 */
@media (max-width: 899px) {
  .primary-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 58;
    background: var(--c-panel);
    border-top: var(--border-w) solid var(--c-line-strong);
    border-bottom: var(--border-w) solid var(--c-line-strong);
    box-shadow: var(--shadow-hard);
    max-height: min(72vh, 540px);
    overflow-y: auto;
  }
  .primary-nav[data-open] { display: block; }
  .primary-nav__list { padding: 6px var(--gutter) 16px; }
  .primary-nav__link { padding: 14px 4px; border-bottom: 1px dashed var(--c-line); font-size: 16px; }
  .primary-nav__link[aria-current="page"] { border-bottom-color: var(--c-orange); }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav__list { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
  .primary-nav__link { padding: 12px 14px; font-size: 15px; border-bottom: var(--border-w) solid transparent; }
}

@media (max-width: 767px) {
  .header-upper__inner { flex-wrap: wrap; gap: 8px; }
  .header-upper__line { flex: 1 1 100%; white-space: normal; }
  .header-upper__meta { flex-wrap: wrap; }
}

/* 右侧悬浮快捷条 */
.quick-rail { display: none; }
@media (min-width: 1360px) {
  .quick-rail {
    position: fixed;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 55;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .quick-rail__label {
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--c-orange-soft);
  }
  .quick-rail__link {
    writing-mode: vertical-rl;
    text-align: center;
    padding: 14px 7px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    background: var(--c-panel);
    border: var(--border-w) solid var(--c-line-strong);
    color: var(--c-stone);
    box-shadow: var(--shadow-soft);
    transition: color 0.16s ease, background-color 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
  }
  .quick-rail__link:hover {
    color: var(--c-carbon);
    background: var(--c-orange);
    border-color: var(--c-orange-soft);
    transform: translateX(-4px);
  }
}

/* ---------- 6. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--c-panel);
  border-top: var(--border-w) solid var(--c-line-strong);
  color: var(--c-stone);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--c-orange) 0 3px, transparent 3px 44px);
  opacity: 0.8;
  pointer-events: none;
}
.footer-inner { padding-block: clamp(36px, 5vw, 64px) 0; }

.footer-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 680px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: clamp(24px, 3vw, 48px); }
}

.footer-brand__mark { font-size: 22px; font-weight: 900; letter-spacing: 0.01em; color: var(--c-cream); line-height: 1.2; }
.footer-brand__mark::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 8px;
  background: var(--c-orange);
}
.footer-brand__text { margin-top: 12px; font-size: 14px; line-height: 1.75; color: var(--c-stone); max-width: 36ch; }
.footer-brand__note {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--c-moss);
  max-width: 38ch;
  border-left: 2px solid var(--c-line-strong);
  padding-left: 12px;
}

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-moss);
}
.footer-col__title::before { content: ""; width: 10px; height: 2px; background: var(--c-orange); }
.footer-col__list { margin-top: 14px; display: grid; gap: 10px; }
.footer-col__link {
  display: inline-block;
  font-size: 15px;
  color: var(--c-cream);
  opacity: 0.78;
  transition: color 0.16s ease, opacity 0.16s ease, transform 0.16s ease;
}
.footer-col__link:hover { color: var(--c-orange); opacity: 1; transform: translateX(3px); }

.footer-legend {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px dashed var(--c-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.footer-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-stone);
}
.footer-legend__swatch { display: inline-block; width: 12px; height: 12px; border: 1px solid rgba(239, 233, 220, 0.28); }
.footer-legend__swatch--orange { background: var(--c-orange); }
.footer-legend__swatch--blue { background: var(--c-blue); }
.footer-legend__swatch--moss { background: var(--c-moss); }
.footer-legend__swatch--clay { background: var(--c-clay); }

.footer-contact {
  margin-top: 26px;
  padding: 18px 20px;
  display: grid;
  gap: 6px;
  background: rgba(23, 54, 45, 0.5);
  border: var(--border-w) solid var(--c-line-strong);
  border-left: 3px solid var(--c-orange);
}
.footer-contact__line { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; color: var(--c-stone); }
.footer-contact__num { color: var(--c-cream); }

.footer-bottom {
  margin-top: 26px;
  padding-block: 18px 24px;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.footer-legal { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--c-stone); }
.footer-meta { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--c-moss); }

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cream);
  border: var(--border-w) solid var(--c-line-strong);
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.to-top:hover { color: var(--c-carbon); background: var(--c-orange); border-color: var(--c-orange); }

/* ---------- 7. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-cream);
  background: var(--c-panel);
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-soft);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(4, 9, 8, 0.72); }
.btn--primary { background: var(--c-orange); border-color: var(--c-orange); color: var(--c-carbon); font-weight: 700; }
.btn--primary:hover { background: var(--c-orange-soft); border-color: var(--c-orange-soft); }
.btn--ghost { background: transparent; border-color: var(--c-moss); }
.btn--ghost:hover { border-color: var(--c-orange); color: var(--c-orange); }

/* ---------- 8. Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-stone);
}
.breadcrumb__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb__item + .breadcrumb__item::before { content: "/"; color: var(--c-moss); }
.breadcrumb__item a:hover { color: var(--c-orange); }
.breadcrumb__item--current { color: var(--c-cream); }

/* ---------- 9. Panels & Cards ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--c-panel);
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-hard);
}
.panel--lift { background: var(--c-lift); }
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--c-line);
}
.panel__title { font-size: 16px; font-weight: 900; letter-spacing: 0.02em; color: var(--c-cream); }
.panel__note { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--c-stone); }
.panel__body { font-size: 15px; color: var(--c-stone); line-height: 1.8; }

.stat { display: grid; gap: 4px; }
.stat__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; color: var(--c-moss); }
.stat__value { font-family: var(--font-mono); font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; color: var(--c-cream); line-height: 1.1; }

.note {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-stone);
  border-left: 3px solid var(--c-moss);
  padding-left: 14px;
}

/* ---------- 10. Score & Tags ---------- */
.score {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-orange);
}
.score--muted { color: var(--c-orange-soft); }
[data-score].is-flash { animation: score-flash 0.62s ease-out 1; }
@keyframes score-flash {
  0% { opacity: 0.35; text-shadow: 0 0 0 rgba(255, 106, 26, 0); }
  40% { opacity: 1; text-shadow: 0 0 22px rgba(255, 106, 26, 0.85); }
  100% { opacity: 1; text-shadow: 0 0 0 rgba(255, 106, 26, 0); }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-stone);
  background: rgba(23, 54, 45, 0.55);
  border: 1px solid var(--c-line-strong);
}
.tag--orange { color: var(--c-orange); border-color: var(--c-orange); }
.tag--blue { color: var(--c-blue); border-color: var(--c-blue); }
.tag--moss { color: var(--c-moss); border-color: var(--c-moss); }

/* ---------- 11. Media frames ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--c-lift), var(--c-carbon));
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-hard);
}
.media-frame--portrait { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.06);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 15, 13, 0.18), rgba(16, 36, 31, 0.74));
  pointer-events: none;
}
.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cream);
  background: rgba(8, 15, 13, 0.8);
  border-top: 1px solid var(--c-line-strong);
}

/* ---------- 12. Data table ---------- */
.data-table__wrap {
  overflow-x: auto;
  border: var(--border-w) solid var(--c-line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--c-panel);
}
.data-table { min-width: 560px; font-size: 15px; }
.data-table th,
.data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--c-line); }
.data-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-moss);
  background: rgba(23, 54, 45, 0.5);
  white-space: nowrap;
}
.data-table td { color: var(--c-stone); }
.data-table tbody tr:hover { background: rgba(23, 54, 45, 0.42); }
.data-table td.num { font-family: var(--font-mono); color: var(--c-orange); font-weight: 700; }
.data-table td.is-diff,
.data-table th.is-diff { color: var(--c-blue); background: rgba(78, 168, 255, 0.1); }

/* ---------- 13. Motion preferences ---------- */
@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;
  }
  .btn:hover,
  .footer-col__link:hover,
  .quick-rail__link:hover { transform: none; }
}