/* =========================================================
   维基体育主站 · 共享样式 /assets/site.css
   夜间球场数据战报室：深墨绿 + 碳黑 / 荧光青 / 琥珀橙 / 暖纸色
   ========================================================= */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; }
img, svg, video { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --wa-ink: #0B3D2E;
  --wa-carbon: #07100C;
  --wa-cyan: #3DF5C8;
  --wa-amber: #FF8A3D;
  --wa-paper: #F4EEE2;
  --wa-sand: #DCD1BC;
  --wa-mid: #166A4C;
  --wa-indigo: #123A5C;
  --wa-yellow: #FFD166;
  --wa-mint: #E4FBF3;
  --wa-text: #12211B;
  --wa-text-soft: #4A5A52;
  --wa-line: rgba(11, 61, 46, .14);
  --wa-font-display: "Arial Narrow", "Helvetica Neue Condensed", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --wa-font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --wa-font-mono: "JetBrains Mono", "SFMono-Regular", "SF Mono", Menlo, Consolas, "Courier New", monospace;
  --wa-w: 1200px;
  --wa-gutter: 24px;
  --wa-radius: 3px;
  --wa-shadow: 0 18px 40px -28px rgba(7, 16, 12, .68);
}

/* ---------- 3. 基础排版 ---------- */
body {
  background: var(--wa-paper);
  color: var(--wa-text);
  font-family: var(--wa-font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
:focus-visible {
  outline: 2px solid var(--wa-cyan);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(7, 16, 12, .45);
}
.wa-skip {
  position: fixed;
  top: 10px; left: 10px;
  z-index: 300;
  padding: 10px 16px;
  background: var(--wa-cyan);
  color: #04140E;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: var(--wa-radius);
  transform: translateY(-180%);
  transition: transform .18s ease;
}
.wa-skip:focus { transform: translateY(0); }

/* ---------- 4. 容器与骨架 ---------- */
.wa-container { width: min(var(--wa-w), 100% - (var(--wa-gutter) * 2)); margin-inline: auto; }
.wa-shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
  width: min(var(--wa-w), 100% - (var(--wa-gutter) * 2));
  margin-inline: auto;
}
.wa-section { padding: clamp(48px, 7vw, 88px) 0; }
.wa-section--tight { padding: clamp(26px, 4vw, 48px) 0; }
.wa-breath { height: clamp(56px, 9vw, 120px); }
.wa-rule { height: 1px; border: 0; background: var(--wa-sand); margin: 0; }
.wa-text-soft { color: var(--wa-text-soft); }

/* ---------- 5. 页头 ---------- */
.wa-header {
  position: sticky;
  top: 0;
  z-index: 90;
  color: var(--wa-paper);
  background: rgba(7, 16, 12, .62);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(61, 245, 200, .14);
  transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.wa-header[data-scrolled] {
  background: var(--wa-ink);
  border-bottom-color: rgba(61, 245, 200, .34);
  box-shadow: 0 12px 32px -20px rgba(3, 10, 7, .95);
}
.wa-header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 1440px;
  min-height: 76px;
  margin-inline: auto;
  padding-inline: var(--wa-gutter);
}
.wa-header__rail { display: flex; align-items: center; gap: 16px; margin-right: auto; }
.wa-header__meta { display: flex; align-items: center; gap: 10px; }

.wa-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: inherit; }
.wa-brand__mark {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex: 0 0 auto;
  background: var(--wa-cyan);
  color: #04140E;
  font-family: var(--wa-font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .02em;
  border-radius: var(--wa-radius);
  transform: skewX(-6deg);
}
.wa-brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.wa-brand__name { font-family: var(--wa-font-display); font-weight: 800; font-size: 19px; font-style: italic; letter-spacing: .01em; }
.wa-brand__sub { font-family: var(--wa-font-mono); font-size: 10.5px; letter-spacing: .16em; color: rgba(244, 238, 226, .62); }
.wa-brand--footer .wa-brand__name { color: var(--wa-paper); }
.wa-brand--footer .wa-brand__sub { color: rgba(61, 245, 200, .82); }

.wa-round {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid rgba(61, 245, 200, .3);
  border-radius: var(--wa-radius);
  background: rgba(61, 245, 200, .07);
  font-family: var(--wa-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--wa-cyan);
  white-space: nowrap;
}
.wa-round__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--wa-cyan);
  box-shadow: 0 0 0 4px rgba(61, 245, 200, .18);
}
.wa-round__label { color: rgba(244, 238, 226, .55); }
.wa-round__num { color: var(--wa-paper); font-weight: 600; }

.wa-badge-cn {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px dashed rgba(61, 245, 200, .5);
  border-radius: var(--wa-radius);
  font-family: var(--wa-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--wa-cyan);
  white-space: nowrap;
}
.wa-member {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  background: var(--wa-amber);
  color: #231004;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  border-radius: var(--wa-radius);
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.wa-member:hover { transform: translateY(-2px); background: #FF9A57; box-shadow: 0 12px 26px -14px rgba(255, 138, 61, .95); }

.wa-nav { flex: 1 1 auto; display: flex; justify-content: center; min-width: 0; }
.wa-nav__list { display: flex; align-items: center; gap: 2px; list-style: none; }
.wa-nav__link {
  position: relative;
  display: block;
  padding: 10px 13px;
  border-radius: var(--wa-radius);
  color: rgba(244, 238, 226, .84);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, background-color .18s ease;
}
.wa-nav__link::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 5px;
  height: 2px;
  background: var(--wa-cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}
.wa-nav__link:hover { color: var(--wa-cyan); background: rgba(61, 245, 200, .1); }
.wa-nav__link:hover::after { transform: scaleX(1); }
.wa-nav__link[aria-current="page"] { color: var(--wa-cyan); background: rgba(61, 245, 200, .13); }
.wa-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.wa-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: transparent;
  border: 1px solid rgba(61, 245, 200, .38);
  border-radius: var(--wa-radius);
  color: var(--wa-cyan);
  font-family: var(--wa-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease;
}
.wa-nav-toggle:hover { background: rgba(61, 245, 200, .12); border-color: var(--wa-cyan); }
.wa-nav-toggle__bars { position: relative; display: block; width: 16px; height: 10px; }
.wa-nav-toggle__bars::before,
.wa-nav-toggle__bars::after {
  content: "";
  position: absolute; left: 0; right: 0;
  height: 2px;
  background: currentColor;
  transition: transform .2s ease, top .2s ease;
}
.wa-nav-toggle__bars::before { top: 0; }
.wa-nav-toggle__bars::after { top: 8px; }
.wa-nav-toggle[aria-expanded="true"] .wa-nav-toggle__bars::before { top: 4px; transform: rotate(45deg); }
.wa-nav-toggle[aria-expanded="true"] .wa-nav-toggle__bars::after { top: 4px; transform: rotate(-45deg); }

/* ---------- 6. 页脚 ---------- */
.wa-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 110px);
  background: var(--wa-ink);
  color: var(--wa-paper);
  overflow: hidden;
}
.wa-footer::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--wa-cyan), var(--wa-amber) 58%, rgba(255, 138, 61, 0));
}
.wa-footer__glow {
  position: absolute;
  right: -140px; bottom: -220px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 245, 200, .22), rgba(61, 245, 200, 0) 68%);
  pointer-events: none;
}
.wa-footer__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.4fr;
  gap: 36px 32px;
  width: min(var(--wa-w), 100% - (var(--wa-gutter) * 2));
  margin-inline: auto;
  padding: clamp(40px, 6vw, 68px) 0 44px;
}
.wa-footer__title {
  margin: 0 0 14px;
  font-family: var(--wa-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wa-cyan);
}
.wa-footer__list { list-style: none; display: grid; gap: 2px; }
.wa-footer__link {
  display: inline-block;
  padding: 7px 0;
  color: rgba(244, 238, 226, .84);
  font-size: 15px;
  text-decoration: none;
  transition: color .18s ease, transform .18s ease;
}
.wa-footer__link:hover { color: var(--wa-cyan); transform: translateX(3px); }
.wa-footer__tagline { margin-top: 14px; font-size: 14px; color: rgba(244, 238, 226, .68); }
.wa-footer__tick {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--wa-amber);
  font-family: var(--wa-font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--wa-yellow);
}
.wa-footer__info { display: grid; gap: 10px; }
.wa-footer__info-item { display: flex; gap: 10px; font-size: 14px; line-height: 1.6; color: rgba(244, 238, 226, .8); }
.wa-footer__info-key {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--wa-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(61, 245, 200, .86);
}
.wa-copy {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 9px 12px;
  text-align: left;
  background: rgba(61, 245, 200, .06);
  border: 1px dashed rgba(61, 245, 200, .32);
  border-radius: var(--wa-radius);
  color: var(--wa-paper);
  cursor: pointer;
  transition: border-color .18s ease, background-color .18s ease;
}
.wa-copy:hover { border-color: var(--wa-cyan); background: rgba(61, 245, 200, .14); }
.wa-copy__label { display: block; font-family: var(--wa-font-mono); font-size: 12.5px; letter-spacing: .02em; }
.wa-copy__hint { display: block; margin-top: 2px; font-family: var(--wa-font-mono); font-size: 10.5px; letter-spacing: .14em; color: rgba(61, 245, 200, .8); }
.wa-footer__base {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 24px;
  padding: 16px max(var(--wa-gutter), calc((100% - var(--wa-w)) / 2));
  background: var(--wa-carbon);
  border-top: 1px solid rgba(244, 238, 226, .14);
}
.wa-footer__note { font-family: var(--wa-font-mono); font-size: 11.5px; letter-spacing: .06em; color: rgba(244, 238, 226, .6); }

/* ---------- 7. 文字层级 ---------- */
.wa-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--wa-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wa-mid);
}
.wa-display {
  font-family: var(--wa-font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--wa-ink);
}
.wa-title {
  font-family: var(--wa-font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.14;
  color: var(--wa-ink);
}
.wa-subtitle {
  font-family: var(--wa-font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.26;
  color: var(--wa-ink);
}
.wa-lead { font-size: 18.5px; line-height: 1.72; color: var(--wa-text-soft); max-width: 64ch; }
.wa-mono { font-family: var(--wa-font-mono); font-size: 15px; letter-spacing: .04em; }
.wa-dark { background: var(--wa-carbon); color: var(--wa-paper); }
.wa-dark .wa-display,
.wa-dark .wa-title,
.wa-dark .wa-subtitle { color: var(--wa-paper); }
.wa-dark .wa-lead,
.wa-dark .wa-text-soft { color: rgba(244, 238, 226, .74); }
.wa-dark .wa-eyebrow { color: var(--wa-cyan); }
.wa-dark .wa-rule { background: rgba(244, 238, 226, .16); }

/* ---------- 8. 正文 / 面包屑 ---------- */
.wa-prose { max-width: 68ch; font-size: 17px; line-height: 1.78; }
.wa-prose p + p { margin-top: 1em; }
.wa-prose h2 {
  margin: 1.7em 0 .5em;
  font-family: var(--wa-font-display);
  font-weight: 800;
  font-size: 24px;
  color: var(--wa-ink);
}
.wa-prose h3 { margin: 1.4em 0 .4em; font-size: 19px; font-weight: 700; color: var(--wa-ink); }
.wa-prose ul, .wa-prose ol { margin: 1em 0; padding-left: 1.3em; }
.wa-prose li { margin: .35em 0; }
.wa-prose a {
  color: var(--wa-mid);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(61, 245, 200, .9);
  text-underline-offset: 3px;
}
.wa-prose a:hover { color: var(--wa-ink); background: linear-gradient(transparent 62%, rgba(61, 245, 200, .5) 62%); }
.wa-prose strong { color: var(--wa-ink); }
.wa-prose code { font-family: var(--wa-font-mono); font-size: .92em; background: var(--wa-mint); padding: .1em .35em; border-radius: 2px; }
.wa-prose blockquote { margin: 1.4em 0; padding: 10px 0 10px 18px; border-left: 3px solid var(--wa-cyan); color: var(--wa-text-soft); }
.wa-dark .wa-prose, .wa-dark .wa-prose h2, .wa-dark .wa-prose h3, .wa-dark .wa-prose strong { color: var(--wa-paper); }
.wa-dark .wa-prose a { color: var(--wa-cyan); }

.wa-crumb { margin: 0 0 26px; }
.wa-crumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; list-style: none; font-family: var(--wa-font-mono); font-size: 12px; letter-spacing: .06em; }
.wa-crumb__item { display: flex; align-items: center; gap: 8px; color: var(--wa-text-soft); }
.wa-crumb__link { color: var(--wa-mid); text-decoration: none; }
.wa-crumb__link:hover { color: var(--wa-ink); text-decoration: underline; text-decoration-color: var(--wa-cyan); }
.wa-crumb__sep { color: var(--wa-sand); }
.wa-crumb [aria-current="page"] { color: var(--wa-text); }
.wa-dark .wa-crumb__item, .wa-dark .wa-crumb [aria-current="page"] { color: rgba(244, 238, 226, .7); }
.wa-dark .wa-crumb__link { color: var(--wa-cyan); }
.wa-dark .wa-crumb__sep { color: rgba(244, 238, 226, .3); }

/* ---------- 9. 按钮 / 标签 ---------- */
.wa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--wa-radius);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.wa-btn:hover { transform: translateY(-2px); }
.wa-btn--cyan { background: var(--wa-cyan); color: #04140E; }
.wa-btn--cyan:hover { box-shadow: 0 12px 26px -14px rgba(61, 245, 200, .95); }
.wa-btn--amber { background: var(--wa-amber); color: #231004; }
.wa-btn--amber:hover { box-shadow: 0 12px 26px -14px rgba(255, 138, 61, .95); }
.wa-btn--ink { background: var(--wa-ink); color: var(--wa-paper); }
.wa-btn--ink:hover { box-shadow: 0 12px 26px -16px rgba(11, 61, 46, .9); }
.wa-btn--ghost { background: transparent; color: #0F5D42; border-color: rgba(11, 61, 46, .34); }
.wa-btn--ghost:hover { background: var(--wa-mint); border-color: var(--wa-mid); }
.wa-btn--ghost-dark { background: transparent; color: var(--wa-cyan); border-color: rgba(61, 245, 200, .46); }
.wa-btn--ghost-dark:hover { background: rgba(61, 245, 200, .12); }
.wa-btn__num { font-family: var(--wa-font-mono); font-size: 13px; opacity: .78; }

.wa-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--wa-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  white-space: nowrap;
}
.wa-chip--cyan { background: rgba(61, 245, 200, .18); color: #0B5B45; border-color: rgba(61, 245, 200, .52); }
.wa-chip--amber { background: rgba(255, 138, 61, .18); color: #8A3A08; border-color: rgba(255, 138, 61, .52); }
.wa-chip--indigo { background: rgba(18, 58, 92, .12); color: var(--wa-indigo); border-color: rgba(18, 58, 92, .3); }
.wa-chip--sand { background: var(--wa-sand); color: #4A4232; border-color: #CBBFA6; }
.wa-chip--dark-cyan { background: rgba(61, 245, 200, .12); color: var(--wa-cyan); border-color: rgba(61, 245, 200, .46); }

/* ---------- 10. 卡片 / 面板 ---------- */
.wa-card {
  padding: 22px;
  background: #FBF7EE;
  border: 1px solid var(--wa-sand);
  border-radius: var(--wa-radius);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.wa-card:hover { transform: translateY(-2px); box-shadow: var(--wa-shadow); border-color: #C9BCA2; }
.wa-card__title { font-family: var(--wa-font-display); font-weight: 800; font-size: 20px; color: var(--wa-ink); margin-bottom: 6px; }
.wa-card__meta { font-family: var(--wa-font-mono); font-size: 12px; letter-spacing: .08em; color: var(--wa-text-soft); }
.wa-card--dark { background: var(--wa-ink); border-color: rgba(61, 245, 200, .2); color: var(--wa-paper); }
.wa-card--dark .wa-card__title { color: var(--wa-paper); }
.wa-card--dark .wa-card__meta { color: rgba(244, 238, 226, .64); }
.wa-card--flat:hover { transform: none; box-shadow: none; border-color: var(--wa-sand); }
.wa-glass {
  background: rgba(7, 16, 12, .42);
  border: 1px solid rgba(61, 245, 200, .2);
  border-radius: var(--wa-radius);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--wa-paper);
}
.wa-slab {
  padding: 18px 22px;
  background: var(--wa-mint);
  border-left: 3px solid var(--wa-cyan);
  border-radius: 0 var(--wa-radius) var(--wa-radius) 0;
}
.wa-dark .wa-slab { background: rgba(61, 245, 200, .1); color: var(--wa-paper); }

/* ---------- 11. 数据 ---------- */
.wa-stat { display: flex; flex-direction: column; gap: 2px; }
.wa-stat__value {
  font-family: var(--wa-font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--wa-cyan);
}
.wa-stat__value--amber { color: var(--wa-amber); }
.wa-stat__value--ink { color: var(--wa-ink); }
.wa-stat__label { font-size: 13px; color: var(--wa-text-soft); }
.wa-dark .wa-stat__label { color: rgba(244, 238, 226, .66); }
.wa-bar { position: relative; height: 8px; background: rgba(11, 61, 46, .12); border-radius: 2px; overflow: hidden; }
.wa-dark .wa-bar { background: rgba(244, 238, 226, .14); }
.wa-bar__fill { display: block; height: 100%; width: 50%; background: var(--wa-cyan); }
.wa-bar--amber .wa-bar__fill { background: var(--wa-amber); }
.wa-bar--indigo .wa-bar__fill { background: var(--wa-indigo); }
.wa-bar--bleed { margin-right: -32px; }
.wa-kv { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; font-size: 15px; }
.wa-kv dt { padding-top: 2px; font-family: var(--wa-font-mono); font-size: 12.5px; letter-spacing: .08em; color: var(--wa-text-soft); }
.wa-kv dd { color: var(--wa-ink); }
.wa-dark .wa-kv dt { color: rgba(244, 238, 226, .6); }
.wa-dark .wa-kv dd { color: var(--wa-paper); }

.wa-table { width: 100%; background: #FBF7EE; border: 1px solid var(--wa-sand); font-size: 15px; }
.wa-table th, .wa-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--wa-sand); }
.wa-table th {
  background: var(--wa-ink);
  color: var(--wa-paper);
  font-family: var(--wa-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.wa-table tbody tr:hover { background: var(--wa-mint); }

/* ---------- 12. 图片容器 ---------- */
.wa-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--wa-radius);
  border: 1px solid rgba(61, 245, 200, .16);
  background: linear-gradient(140deg, var(--wa-ink) 0%, var(--wa-carbon) 72%);
}
.wa-media img { width: 100%; height: 100%; object-fit: cover; }
.wa-media--21x9 { aspect-ratio: 21 / 9; }
.wa-media--16x9 { aspect-ratio: 16 / 9; }
.wa-media--4x3 { aspect-ratio: 4 / 3; }
.wa-media--1x1 { aspect-ratio: 1 / 1; }
.wa-media--tall { aspect-ratio: 3 / 4; }
.wa-media__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  font-family: var(--wa-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--wa-paper);
  background: linear-gradient(rgba(7, 16, 12, 0), rgba(7, 16, 12, .88));
}
.wa-media__scan {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(61, 245, 200, .12) 1px, transparent 1px);
  background-size: 100% 34px;
  opacity: .6;
  pointer-events: none;
}
.wa-media__badge { position: absolute; top: 12px; left: 12px; }

/* ---------- 13. 栅格 ---------- */
.wa-grid { display: grid; gap: 20px; }
.wa-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wa-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.wa-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 14. 侧栏索引 ---------- */
.wa-index { position: sticky; top: 96px; align-self: start; }
.wa-index__title {
  margin: 0 0 12px;
  font-family: var(--wa-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--wa-mid);
}
.wa-index__list { list-style: none; border-left: 1px solid var(--wa-sand); }
.wa-index__link {
  display: block;
  margin-left: -1px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid transparent;
  color: #3A4A42;
  font-size: 14.5px;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.wa-index__link:hover { color: var(--wa-ink); border-left-color: var(--wa-mid); background: rgba(61, 245, 200, .1); }
.wa-index__link[aria-current="true"] { color: var(--wa-ink); border-left-color: var(--wa-cyan); background: var(--wa-mint); font-weight: 600; }
.wa-index--dark .wa-index__title { color: var(--wa-cyan); }
.wa-index--dark .wa-index__list { border-left-color: rgba(244, 238, 226, .22); }
.wa-index--dark .wa-index__link { color: rgba(244, 238, 226, .74); }
.wa-index--dark .wa-index__link:hover { color: var(--wa-paper); background: rgba(61, 245, 200, .12); }
.wa-index--dark .wa-index__link[aria-current="true"] { color: var(--wa-paper); background: rgba(61, 245, 200, .16); border-left-color: var(--wa-cyan); }

/* ---------- 15. 滚动进度 / 显现 ---------- */
.wa-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 200;
  background: transparent;
  pointer-events: none;
}
.wa-progress__bar {
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--wa-cyan), var(--wa-amber));
}
.wa-js .wa-reveal { opacity: 0; transform: translateY(12px); transition: opacity .32s ease, transform .32s ease; }
.wa-js .wa-reveal[data-shown] { opacity: 1; transform: none; }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1180px) {
  .wa-nav__link { padding: 10px 10px; font-size: 14px; }
  .wa-nav__link::after { left: 10px; right: 10px; }
  .wa-header__inner { gap: 14px; }
}
@media (max-width: 1024px) {
  .wa-shell { grid-template-columns: 1fr; gap: 28px; }
  .wa-index { position: static; }
  .wa-nav-toggle { display: inline-flex; }
  .wa-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: none;
    flex-direction: column;
    justify-content: flex-start;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    padding: 8px var(--wa-gutter) 20px;
    background: var(--wa-carbon);
    border-top: 1px solid rgba(61, 245, 200, .16);
    border-bottom: 1px solid rgba(61, 245, 200, .3);
    box-shadow: 0 24px 40px -26px rgba(3, 10, 7, .95);
  }
  .wa-nav[data-open] { display: flex; }
  .wa-nav__list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .wa-nav__item { border-bottom: 1px solid rgba(244, 238, 226, .1); }
  .wa-nav__link { padding: 15px 4px; font-size: 16px; }
  .wa-nav__link::after { display: none; }
  .wa-nav__link[aria-current="page"] { background: transparent; }
  .wa-round__label { display: none; }
  .wa-footer__inner { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .wa-footer__col--brand { grid-column: 1 / -1; }
  .wa-footer__col--info { grid-column: 1 / -1; }
  .wa-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .wa-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wa-table, .wa-table tbody, .wa-table tr, .wa-table td, .wa-table th { display: block; width: 100%; }
  .wa-table thead { display: none; }
  .wa-table tr { padding: 10px 0; border-bottom: 2px solid var(--wa-sand); }
  .wa-table td { border: 0; padding: 4px 14px; }
  .wa-table td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--wa-font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--wa-text-soft);
  }
  .wa-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; }
  .wa-bar--bleed { margin-right: 0; }
}
@media (max-width: 640px) {
  .wa-header__inner { min-height: 64px; gap: 10px; }
  .wa-brand { gap: 9px; }
  .wa-brand__mark { width: 34px; height: 34px; font-size: 16px; }
  .wa-brand__name { font-size: 17px; }
  .wa-brand__sub { font-size: 9.5px; letter-spacing: .12em; }
  .wa-round { display: none; }
  .wa-badge-cn { padding: 5px 8px; font-size: 10px; letter-spacing: .1em; }
  .wa-member { padding: 8px 11px; font-size: 12.5px; }
  .wa-nav-toggle { padding: 8px 10px; font-size: 11px; }
  .wa-nav { max-height: calc(100vh - 64px); }
  .wa-grid--2, .wa-grid--3, .wa-grid--4 { grid-template-columns: 1fr; }
  .wa-footer__inner { grid-template-columns: 1fr; }
  .wa-footer__base { justify-content: flex-start; }
}

/* ---------- 17. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .wa-js .wa-reveal { opacity: 1; transform: none; }
  .wa-btn:hover,
  .wa-card:hover,
  .wa-member:hover,
  .wa-footer__link:hover,
  .wa-nav__link::after { transform: none; }
}