/* ==========================================================================
   新利赛场 · 共享样式 /assets/site.css
   墨场黑 + 深靛蓝基底 · 荧光青 / 暖橙 / 客场品红 / 赛程黄绿 数据高亮
   结构：reset → 变量 → 基础排版 → 外壳头部 → 外壳页脚 → 通用组件
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body,
h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink: #0B1220;
  --ink-2: #16224A;
  --ink-3: #101A33;
  --paper: #F4EFE4;
  --paper-2: #E4D9C4;
  --paper-ink: #1A1A1F;
  --cyan: #35E6D2;
  --orange: #FF8A3D;
  --magenta: #E23E8C;
  --lime: #A8D93B;
  --grid: #7C8AA6;

  --fg: #F4EFE4;
  --fg-soft: #C7D0E2;
  --fg-mute: #9FAAC0;
  --line: rgba(124, 138, 166, .32);
  --line-strong: rgba(124, 138, 166, .58);

  --font-display: "Barlow Condensed", "Oswald", "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --rail: 1320px;
  --gap: 24px;
  --header-h: 92px;
  --dur: 280ms;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 3. 基础排版与蓝图底 ---------- */
body {
  padding-top: var(--header-h);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(124, 138, 166, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 138, 166, .075) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.3; }
h1 { font-size: clamp(28px, 4.6vw, 48px); }
h2 { font-size: clamp(22px, 3vw, 32px); }
h3 { font-size: 19px; }

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

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.container {
  width: 100%;
  max-width: var(--rail);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }
.col-side { grid-column: span 3; }

.skip-link {
  position: fixed;
  top: 10px; left: 10px;
  z-index: 200;
  transform: translateY(-200%);
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 4px;
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 4. 外壳：头部 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
}

.read-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(124, 138, 166, .22);
  z-index: 120;
}
.read-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--lime) 55%, var(--orange));
  transition: width 120ms linear;
}

.header-rail {
  max-width: var(--rail);
  margin-inline: auto;
  padding: 14px clamp(12px, 3vw, 28px) 0;
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 12px 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 18, 32, .74);
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.site-header[data-scrolled] .header-shell {
  background: rgba(11, 18, 32, .97);
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .5);
}

/* 品牌 */
.brand {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand__mark {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.02em;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .06em;
}
.brand__line {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .02em;
}

/* 悬浮胶囊导航 */
.site-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-list__item { display: flex; }
.nav-link {
  display: block;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--fg-soft);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.nav-link:hover { color: #fff; background: rgba(124, 138, 166, .18); }
.nav-link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(53, 230, 210, .12);
  box-shadow: inset 0 0 0 1px rgba(53, 230, 210, .45);
}

.nav-extras,
.nav-foot { display: none; }

/* 头部右侧工具区 */
.header-utility {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.update-flag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  white-space: nowrap;
}
.update-flag__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, .18);
}
.read-meter {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  min-width: 42px;
  text-align: right;
}
.header-cta { white-space: nowrap; }

/* 移动索引按钮 */
.nav-toggle {
  position: relative;
  z-index: 3;
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--fg);
}
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}
.site-header[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 5. 外壳：页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 104px);
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 38%, var(--magenta) 68%, var(--lime));
}

.footer-rail {
  max-width: var(--rail);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 68px) clamp(16px, 4vw, 32px) 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(24px, 4vw, 52px);
}

.footer-brand__link { display: inline-flex; align-items: center; gap: 10px; }
.footer-brand__mark {
  width: 28px; height: 28px;
  display: grid;
  place-items: center;
  border-radius: 3px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
}
.footer-brand__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .06em;
}
.footer-brand__line {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .02em;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.legend__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-mute);
}
.legend__swatch {
  width: 10px; height: 10px;
  border-radius: 2px;
  display: inline-block;
}
.legend__swatch--a { background: var(--cyan); }
.legend__swatch--b { background: var(--orange); }
.legend__swatch--c { background: var(--magenta); }
.legend__swatch--d { background: var(--lime); }

.footer-col__title {
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1em;
  color: #DCE3F0;
}
.footer-links { display: grid; gap: 10px; }
.footer-link {
  font-size: 15px;
  color: var(--fg-soft);
  transition: color var(--dur) var(--ease);
}
.footer-link:hover { color: var(--cyan); }

.footer-contact { display: grid; gap: 10px; margin-top: 18px; }
.footer-contact__row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  color: var(--fg-soft);
  line-height: 1.7;
}
.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grid);
  padding-top: 2px;
}
.footer-contact__value { word-break: break-word; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px 32px;
  margin-top: clamp(28px, 4vw, 52px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.footer-note {
  max-width: 54ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-mute);
}
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-mute);
}
.footer-meta__item { white-space: nowrap; }

/* ---------- 6. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.4;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn--accent {
  background: var(--orange);
  border-color: var(--orange);
  color: #1A1205;
}
.btn--accent:hover { background: #FFA463; border-color: #FFA463; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--fg);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--ink {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.btn--ink:hover { background: var(--ink-2); border-color: var(--ink-2); }
.btn--sm { padding: 7px 13px; font-size: 13px; }

/* ---------- 7. 章节 / 蓝图结构 ---------- */
.section { padding-block: clamp(40px, 6vw, 88px); }
.section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.section__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.section__title { font-family: var(--font-serif); font-size: clamp(24px, 3.2vw, 36px); }
.section__lead {
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--fg-soft);
}

.rule-slant {
  height: 1px;
  background: var(--line-strong);
  transform: rotate(-1.4deg);
  transform-origin: left center;
  margin-block: clamp(28px, 4vw, 56px);
}

/* 纸张叠层阅读面 */
.card-paper {
  position: relative;
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid rgba(26, 26, 31, .45);
  box-shadow: 7px 9px 0 rgba(0, 0, 0, .38), inset 0 0 0 1px rgba(255, 255, 255, .4);
  padding: clamp(20px, 3.4vw, 44px);
}
.card-paper a { color: #0F4C46; }
.card-paper .section__index { color: #0F6B60; }
.card-paper .section__lead { color: #3A3A42; }

/* ---------- 8. 面包屑与长文 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-block: 20px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grid);
}
.breadcrumbs__link { color: var(--fg-soft); }
.breadcrumbs__link:hover { color: var(--cyan); }
.breadcrumbs__sep { opacity: .65; }
.breadcrumbs__item[aria-current="page"] { color: var(--cyan); }

.prose {
  max-width: 70ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--fg);
}
.card-paper .prose { color: var(--paper-ink); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  margin-top: 2em;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: clamp(22px, 2.6vw, 28px);
}
.card-paper .prose h2 { border-color: rgba(26, 26, 31, .25); }
.prose h3 { margin-top: 1.7em; }
.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.card-paper .prose a { color: #0F4C46; }
.prose ul { display: grid; gap: .55em; padding-left: 1.3em; }
.prose ul li { position: relative; }
.prose ul li::before {
  content: "—";
  position: absolute;
  left: -1.3em;
  color: var(--grid);
}
.prose blockquote {
  padding-left: 16px;
  border-left: 2px solid var(--orange);
  font-family: var(--font-serif);
  font-size: 18px;
  color: #DCE3F0;
}
.card-paper .prose blockquote { color: #3A3A42; }
.prose code {
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(124, 138, 166, .2);
  font-family: var(--font-mono);
  font-size: .88em;
}

.note-ref {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  vertical-align: super;
}
.footnotes {
  display: grid;
  gap: 8px;
  margin-top: 44px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fg-mute);
}

/* ---------- 9. 数据模块：超大数字 ---------- */
.metric { display: flex; flex-direction: column; gap: 8px; }
.metric__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 9vw, 120px);
  line-height: .88;
  letter-spacing: -.02em;
  color: var(--cyan);
}
.metric__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--fg-soft);
}

/* ---------- 10. 数据模块：比分牌 ---------- */
.scoreboard {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
}
.scoreboard__head {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grid);
}
.scoreboard__row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.scoreboard__row:last-child { border-bottom: 0; }
.scoreboard__row:hover { background: rgba(53, 230, 210, .05); }
.scoreboard__team { font-size: 15px; color: #DCE3F0; }
.scoreboard__team--away { text-align: right; color: var(--magenta); }
.scoreboard__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1;
  color: var(--cyan);
}
.scoreboard__note {
  display: block;
  margin-top: 6px;
  max-width: 46ch;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--grid);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.scoreboard__row:hover .scoreboard__note,
.scoreboard__row:focus-within .scoreboard__note { opacity: 1; }

/* ---------- 11. 数据模块：时间轴 ---------- */
.timeline {
  display: grid;
  margin-left: 6px;
  padding-left: 22px;
  border-left: 1px solid var(--line-strong);
}
.timeline__item { position: relative; padding-bottom: 26px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}
.timeline__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}
.timeline__text { margin-top: 4px; font-size: 15px; color: var(--fg-soft); }

/* ---------- 12. 数据模块：对比条 ---------- */
.compare-bar { display: grid; gap: 8px; }
.compare-bar__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-soft);
}
.compare-bar__track {
  position: relative;
  height: 10px;
  border: 1px solid var(--line);
  background: rgba(124, 138, 166, .22);
}
.compare-bar__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 320ms var(--ease);
}
.compare-bar__value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- 13. 标签与索引表 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  color: var(--grid);
}
.tag--a { color: var(--cyan); }
.tag--b { color: var(--orange); }
.tag--c { color: var(--magenta); }
.tag--d { color: var(--lime); }
.tag--update {
  color: #1A1205;
  background: var(--orange);
  border-color: var(--orange);
}

.index-list { display: grid; border-top: 1px solid var(--line); }
.index-list__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.6;
  color: #DCE3F0;
  transition: color var(--dur) var(--ease);
}
.index-list__item:hover { color: var(--cyan); }
.index-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 14. 图片容器 ---------- */
.figure { display: grid; gap: 10px; margin: 0; }
.figure__frame {
  position: relative;
  overflow: hidden;
  padding: 8px;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
}
.figure__frame::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(124, 138, 166, .34);
  pointer-events: none;
}
.figure__img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: linear-gradient(135deg, #16224A 0%, #0B1220 100%);
}
.figure--wide .figure__img { aspect-ratio: 21 / 9; }
.figure--tall .figure__img { aspect-ratio: 4 / 5; }
.figure__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--grid);
}

/* ---------- 15. 表格 / 提示 / 折叠 / 筛选 ---------- */
.data-table { font-size: 14px; }
.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.data-table th {
  background: rgba(124, 138, 166, .12);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--grid);
}
.data-table td.is-num { font-family: var(--font-mono); text-align: right; }

.callout {
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 138, 61, .09);
  font-size: 15px;
  line-height: 1.8;
  color: #E6EAF3;
}
.callout--note {
  border-color: var(--cyan);
  background: rgba(53, 230, 210, .09);
}

.collapse {
  border: 1px solid var(--line-strong);
  background: rgba(22, 34, 74, .42);
}
.collapse__summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  color: #DCE3F0;
  cursor: pointer;
  list-style: none;
}
.collapse__summary::-webkit-details-marker { display: none; }
.collapse__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--cyan);
}
.collapse[open] .collapse__summary::after { content: "－"; }
.collapse__body {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg-soft);
}

.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.filter-chip:hover { border-color: var(--cyan); color: var(--cyan); }
.filter-chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- 16. 显现协议 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 17. 响应式 ---------- */
@media (max-width: 1300px) {
  .update-flag { display: none; }
}

@media (max-width: 1100px) {
  :root { --header-h: 78px; }

  .header-rail { padding: 12px clamp(12px, 3vw, 20px) 0; }
  .header-shell { gap: 10px; padding: 7px 10px 7px 12px; }
  .brand__line { display: none; }
  .header-utility { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 2;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding: calc(var(--header-h) + 8px) clamp(20px, 6vw, 48px) 48px;
    background: rgba(11, 18, 32, .985);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 240ms var(--ease), transform 240ms var(--ease), visibility 240ms linear;
  }
  .site-header[data-open] .site-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; border-top: 1px solid var(--line); }
  .nav-list__item { display: block; }
  .nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: .02em;
  }
  .nav-link::after { content: "›"; color: var(--grid); font-family: var(--font-mono); font-size: 18px; }
  .nav-link[aria-current="page"] { background: none; box-shadow: none; color: var(--cyan); }
  .nav-link[aria-current="page"]::after { color: var(--cyan); }

  .nav-extras { display: block; margin-top: 28px; }
  .nav-extras__title {
    margin-bottom: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--grid);
  }
  .nav-extras__title + .nav-extras__list { margin-bottom: 26px; }
  .nav-extras__list { display: grid; gap: 9px; }
  .nav-extras__link { font-size: 15px; color: var(--fg-soft); }
  .nav-extras__link:hover,
  .nav-extras__link[aria-current="page"] { color: var(--cyan); }

  .nav-foot { display: block; margin-top: 6px; }
  .nav-foot__cta { width: 100%; }
}

@media (max-width: 1024px) {
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 960px) {
  .col-4, .col-6, .col-8, .col-side { grid-column: span 12; }
  .grid-12 { gap: 16px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; }
  .scoreboard__head,
  .scoreboard__row { grid-template-columns: minmax(0, 1fr); text-align: left; }
  .scoreboard__team--away { text-align: left; }
  .index-list__item { grid-template-columns: 48px minmax(0, 1fr); }
}

/* ---------- 18. 动效克制 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}