/* ============================================================
   爱体育赛场 · /assets/site.css
   共享外壳：reset / 变量 / 排版 / 刊头 / 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, 96px) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: var(--ice-700); text-decoration: none; }
a:hover { color: var(--ice-900); }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --ice-900: #07243D;
  --ice-700: #0E4A78;
  --ice-500: #1E7FC2;
  --ice-100: #DDEDF7;
  --paper: #F8F6F0;
  --volt: #C6FF3D;
  --volt-deep: #4E7A12;
  --ember: #FF7A29;
  --wine: #7A1F3D;
  --indigo: #3B3A8F;
  --ink: #141A21;
  --mist: #D5DBE0;
  --white: #FFFFFF;

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

  --gutter: clamp(1rem, 4vw, 2.5rem);
  --maxw: 1220px;
  --header-h: 96px;
  --rule: 1px solid var(--mist);
  --skew: -6deg;
}

/* ---------- 3. 中文排版基线 ---------- */
h1, h2, h3, h4 {
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

p { line-height: 1.8; }

.num,
[data-mono] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 4. 焦点与可访问性 ---------- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--ice-500);
  outline-offset: 3px;
  border-radius: 2px;
}

.site-footer :focus-visible,
.ticker :focus-visible,
.to-top:focus-visible {
  outline-color: var(--volt);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -160px;
  z-index: 300;
  padding: 0.65rem 1.1rem;
  background: var(--ice-900);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  border: 1px solid var(--volt);
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0.6rem; color: var(--white); }

/* ---------- 5. 布局容器与网格 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 840px; }

.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .grid--3-9 { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }
  .grid--8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
}

/* ---------- 6. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.btn--primary {
  background: var(--ice-900);
  color: var(--paper);
  box-shadow: 3px 3px 0 var(--volt);
}
.btn--primary:hover { background: var(--ice-700); color: var(--white); box-shadow: 3px 3px 0 var(--ice-500); }

.btn--volt {
  background: var(--volt);
  color: var(--ice-900);
  box-shadow: 3px 3px 0 var(--ice-900);
}
.btn--volt:hover { background: var(--volt-deep); color: var(--paper); box-shadow: 3px 3px 0 var(--ice-900); }

.btn--ghost {
  background: transparent;
  border-color: var(--ice-900);
  color: var(--ice-900);
}
.btn--ghost:hover { background: var(--ice-100); }

.btn--sm { padding: 0.42rem 0.8rem; font-size: 12.5px; }
.btn:active { transform: translate(1px, 1px); }

/* ---------- 7. 标签 / 索引字 ---------- */
.index-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--volt-deep);
  text-transform: uppercase;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ice-700);
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: 2px;
}
.tag--volt { background: var(--volt); border-color: var(--volt); color: var(--ice-900); }
.tag--ember { background: var(--ember); border-color: var(--ember); color: var(--ice-900); }
.tag--wine { background: var(--wine); border-color: var(--wine); color: var(--white); }

/* ---------- 8. 刊头 site-header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--mist);
  box-shadow: 0 2px 0 rgba(213, 219, 224, 0.55);
}

/* 8.1 滚动进度条 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  z-index: 6;
  background: linear-gradient(90deg, var(--ice-500) 0%, var(--volt) 60%, var(--ember) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* 8.2 实时信息带 */
.ticker {
  overflow: hidden;
  max-height: 44px;
  background: var(--ice-900);
  color: var(--ice-100);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: max-height 0.28s ease, opacity 0.22s ease, visibility 0.28s ease;
}
.ticker__track {
  display: flex;
  width: max-content;
  padding-block: 0.42rem;
  animation: ticker-scroll 52s linear infinite;
}
.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track { animation-play-state: paused; }
.ticker__group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-right: 1.5rem;
}
.ticker__item { white-space: nowrap; }
.ticker__sep { color: var(--ice-500); }

.pulse-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--volt);
  box-shadow: 0 0 0 0 rgba(198, 255, 61, 0.65);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(198, 255, 61, 0.65); }
  70% { box-shadow: 0 0 0 9px rgba(198, 255, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(198, 255, 61, 0); }
}

/* 8.3 品牌刊头 */
.masthead { background: var(--paper); }

.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  min-height: 78px;
  padding-block: clamp(0.55rem, 1.3vw, 1rem);
  transition: min-height 0.26s ease, padding 0.26s ease;
}

.masthead__side {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}
.masthead__side--end { justify-content: flex-end; }

.brand {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  padding-left: 0.95rem;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--ice-900); }

.brand__mark {
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 7px;
  height: 22px;
  background: linear-gradient(180deg, var(--ice-500), var(--volt));
  transform: skewY(-8deg);
  transition: height 0.26s ease, top 0.26s ease;
}

.brand__name {
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.15;
  transition: font-size 0.26s ease, letter-spacing 0.26s ease;
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ice-700);
}

.masthead__mail {
  display: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--ice-700);
  white-space: nowrap;
}
.masthead__mail-label {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.05rem 0.35rem;
  background: var(--ice-100);
  color: var(--ice-700);
  letter-spacing: 0.12em;
}

/* 8.4 目录开关 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--mist);
  border-radius: 2px;
  background: transparent;
  color: var(--ice-900);
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}
.nav-toggle:hover { background: var(--ice-100); border-color: var(--ice-500); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}
.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ice-900);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 8.5 栏目索引条 */
.nav-strip {
  background: var(--paper);
  border-top: 1px solid var(--mist);
}

.primary-nav { display: block; }
.primary-nav[data-open="false"] { display: none; }

.primary-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(0.5rem, 2.4vw, 2rem);
}

.primary-nav__item { display: flex; align-items: baseline; gap: 0.6rem; }
.primary-nav__item::before {
  content: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ice-500);
}

.primary-nav__link {
  position: relative;
  display: inline-block;
  padding: 0.6rem 0.15rem;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--ice-700);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, padding 0.26s ease, font-size 0.26s ease;
}
.primary-nav__link:hover { color: var(--ice-900); border-bottom-color: var(--volt); }

.primary-nav__link[aria-current="page"] {
  color: var(--ice-900);
  font-weight: 800;
  border-bottom-color: var(--volt-deep);
}
.primary-nav__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -0.55rem;
  top: 50%;
  width: 5px;
  height: 5px;
  background: var(--volt);
  transform: translateY(-50%) rotate(45deg);
}

/* 8.6 目录内比分条 */
.nav-score {
  display: none;
  margin-top: 1.6rem;
  padding: 0.85rem 1rem;
  background: var(--ice-900);
  border: 1px solid var(--ice-700);
  color: var(--ice-100);
  font-family: var(--font-mono);
}
.nav-score__label { font-size: 10px; letter-spacing: 0.22em; color: var(--volt); }
.nav-score__row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.35rem;
  font-size: 20px;
}
.nav-score__team { font-size: 14px; letter-spacing: 0.06em; }
.nav-score__num { font-size: 26px; font-weight: 700; }
.nav-score__colon { color: var(--ice-500); }
.nav-score__meta { margin-left: auto; font-size: 11px; letter-spacing: 0.14em; color: var(--volt); }

/* 8.7 压缩态 */
.site-header.is-compressed .ticker {
  max-height: 0;
  opacity: 0;
  visibility: hidden;
}
.site-header.is-compressed .masthead__inner {
  min-height: 48px;
  padding-block: 0.2rem;
}
.site-header.is-compressed .brand__name { font-size: 17px; letter-spacing: 0.1em; }
.site-header.is-compressed .brand__sub { display: none; }
.site-header.is-compressed .brand__mark { height: 15px; top: 0.15rem; }
.site-header.is-compressed .primary-nav__link { padding: 0.3rem 0.15rem; font-size: 13px; }

/* 8.8 移动端目录面板 */
@media (max-width: 899.98px) {
  .primary-nav { display: none; }
  .primary-nav[data-open="true"] {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-h, 96px);
    bottom: 0;
    z-index: 90;
    overflow-y: auto;
    padding: 1.25rem var(--gutter) 3rem;
    background: var(--paper);
    background-image: repeating-linear-gradient(90deg, rgba(213, 219, 224, 0.35) 0 1px, transparent 1px 96px);
    border-top: 1px solid var(--mist);
  }
  .primary-nav__list {
    flex-direction: column;
    gap: 0;
    counter-reset: navidx;
  }
  .primary-nav__item {
    counter-increment: navidx;
    border-bottom: 1px solid var(--mist);
  }
  .primary-nav__item::before {
    content: counter(navidx, decimal-leading-zero);
    display: inline-block;
  }
  .primary-nav__link {
    flex: 1;
    padding: 0.85rem 0;
    font-size: clamp(20px, 6vw, 28px);
    font-weight: 800;
    letter-spacing: 0.06em;
    border-bottom: 0;
  }
  .primary-nav__link[aria-current="page"]::before {
    left: -0.75rem;
    width: 6px;
    height: 6px;
  }
  .nav-score { display: block; }
  body.is-nav-open { overflow: hidden; }
}

@media (min-width: 900px) {
  .masthead__mail { display: block; }
}

@media (min-width: 1100px) {
  .masthead__inner { min-height: 86px; }
}

@media (max-width: 520px) {
  .masthead__cta { padding: 0.35rem 0.6rem; font-size: 11.5px; }
  .nav-toggle__text { display: none; }
}

/* ---------- 9. 页脚 site-footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--ice-900);
  color: var(--ice-100);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--ice-500) 0%, var(--volt) 55%, var(--ember) 100%);
  transform: skewY(-0.6deg);
  transform-origin: left center;
}

.footer-top {
  padding: clamp(2.5rem, 6vw, 4.25rem) 0 clamp(2rem, 4vw, 3rem);
  background-image: repeating-linear-gradient(90deg, rgba(221, 237, 247, 0.07) 0 1px, transparent 1px 72px);
}

.footer-top__inner {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 900px) {
  .footer-top__inner { grid-template-columns: minmax(240px, 4fr) minmax(0, 8fr); }
}

.footer-motto {
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--white);
  max-width: 20ch;
}
.footer-motto::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-top: 0.9rem;
  background: var(--volt);
  transform: skewX(-20deg);
}

.footer-brand__link {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ice-100);
  border-bottom: 1px solid var(--ice-700);
  padding-bottom: 2px;
}
.footer-brand__link:hover { color: var(--white); border-bottom-color: var(--volt); }

.footer-brand__meta {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(221, 237, 247, 0.65);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 1.25rem;
}
@media (min-width: 720px) {
  .footer-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.footer-col__title {
  margin-bottom: 0.8rem;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--volt);
}

.footer-list { display: grid; gap: 0.4rem; }

.footer-link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--ice-100);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.footer-link:hover { color: var(--white); border-bottom-color: var(--volt); }

.footer-contact {
  background: var(--ice-700);
  border-top: 1px solid var(--ice-900);
  border-bottom: 1px solid rgba(7, 36, 61, 0.6);
}
.footer-contact__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.75rem;
  padding-block: 1.05rem;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ice-100);
}
.footer-contact__item { display: inline-flex; align-items: baseline; gap: 0.5rem; }
.footer-contact__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--volt);
}
.footer-note {
  flex-basis: 100%;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: rgba(221, 237, 247, 0.72);
}

.footer-legal { background: var(--ice-900); }
.footer-legal__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem 1.5rem;
  padding-block: 1.05rem;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(221, 237, 247, 0.72);
}
.footer-legal__links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-legal__links a {
  color: inherit;
  border-bottom: 1px solid transparent;
}
.footer-legal__links a:hover { color: var(--white); border-bottom-color: var(--volt); }

/* ---------- 10. 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: clamp(0.75rem, 2vw, 1.6rem);
  bottom: clamp(0.75rem, 2vw, 1.6rem);
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  background: var(--ice-900);
  color: var(--white);
  border: 1px solid var(--ice-700);
  box-shadow: 4px 4px 0 var(--volt);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease, background-color 0.18s ease;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--ice-700); }
.to-top__arrow { color: var(--volt); font-size: 15px; line-height: 1; }

@media (max-width: 520px) {
  .to-top__text { display: none; }
  .to-top { padding: 0.55rem 0.65rem; }
}

/* ---------- 11. 画册章节组件 ---------- */
.chapter {
  position: relative;
  padding-top: clamp(0.9rem, 2vw, 1.4rem);
  border-top: 1px solid var(--mist);
}
.chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(72px, 12vw, 180px);
  line-height: 0.78;
  letter-spacing: -0.05em;
  color: var(--ice-100);
  -webkit-text-stroke: 2px var(--ice-500);
  font-variant-numeric: tabular-nums;
}
.chapter__title {
  margin-top: 0.5rem;
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 800;
}
.chapter--invert { border-top-color: rgba(221, 237, 247, 0.35); }
.chapter--invert .chapter__num { color: rgba(7, 36, 61, 0.55); -webkit-text-stroke-color: var(--volt); }
.chapter--invert .chapter__title { color: var(--paper); }

/* ---------- 12. 数据带 ---------- */
.data-band {
  background: var(--ice-900);
  color: var(--ice-100);
  border-block: 1px solid var(--ice-700);
  padding-block: clamp(1.25rem, 3vw, 2rem);
}
.data-band--volt { background: var(--volt); color: var(--ice-900); border-block-color: var(--volt-deep); }

/* ---------- 13. 档案卡 ---------- */
.paper-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--mist);
  padding: clamp(1.1rem, 2vw, 1.75rem);
  box-shadow: 6px 6px 0 -1px var(--ice-100), 6px 6px 0 0 var(--mist);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.paper-card:hover { transform: translate(-2px, -2px); box-shadow: 9px 9px 0 -1px var(--ice-100), 9px 9px 0 0 var(--ice-500); }

.paper-card__label {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--volt-deep);
}

/* ---------- 14. 区块标题 ---------- */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-bottom: 0.7rem;
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
  border-bottom: 2px solid var(--ice-900);
}
.section-head__title { font-size: clamp(22px, 2.6vw, 34px); font-weight: 800; }
.section-head__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ice-700);
}

/* ---------- 15. 统计块 ---------- */
.stat { display: flex; flex-direction: column; gap: 0.15rem; }
.stat__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  color: var(--ice-900);
}
.stat__num--ember { color: var(--ember); }
.stat__num--volt { color: var(--volt-deep); }
.stat__label { font-size: 12.5px; letter-spacing: 0.12em; color: var(--ice-700); }
.data-band .stat__num { color: var(--paper); }
.data-band .stat__label { color: rgba(221, 237, 247, 0.75); }

/* ---------- 16. 图片容器基础规则 ---------- */
.figure { margin: 0; }
.figure__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--ice-100) 0%, var(--mist) 100%);
  border: 1px solid var(--mist);
}
.figure__media > img,
.figure__media > svg,
.figure__media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 3 / 4; }
.figure--square .figure__media { aspect-ratio: 1 / 1; }

.figure__caption {
  margin-top: 0.6rem;
  padding-left: 0.6rem;
  border-left: 3px solid var(--volt);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice-700);
}

@media (max-width: 640px) {
  .figure--wide .figure__media { aspect-ratio: 16 / 10; }
  .figure--tall .figure__media { aspect-ratio: 4 / 5; }
}

/* ---------- 17. 数据表 ---------- */
.data-table { font-size: 14px; }
.data-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ice-700);
}
.data-table th,
.data-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--mist);
}
.data-table thead th {
  background: var(--ice-700);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.data-table tbody tr:nth-child(even) { background: var(--ice-100); }
.data-table .num,
.data-table td.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* ---------- 18. 正文容器 ---------- */
.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 800; margin-top: 1.8em; }
.prose h3 { font-size: clamp(18px, 1.8vw, 22px); font-weight: 800; margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }
.prose a {
  color: var(--ice-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.prose a:hover { color: var(--ice-900); text-decoration-color: var(--volt-deep); }
.prose strong { font-weight: 800; color: var(--ice-900); }
.prose blockquote {
  padding: 0.9rem 1.1rem;
  background: var(--ice-100);
  border-left: 4px solid var(--wine);
  color: var(--ice-900);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  background: var(--ice-100);
  border-radius: 2px;
}

/* ---------- 19. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ice-700);
}
.breadcrumbs__list { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.breadcrumbs__list li { display: inline-flex; align-items: center; gap: 0.5rem; }
.breadcrumbs__list li + li::before { content: "/"; color: var(--mist); }
.breadcrumbs a { color: var(--ice-700); }
.breadcrumbs a:hover { color: var(--ice-900); text-decoration: underline; }

/* ---------- 20. 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 21. 减弱动效 ---------- */
@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;
  }
  .ticker__track { animation: none; }
  .pulse-dot { animation: none; }
  [data-reveal] { opacity: 1; transform: none; }
  .to-top { transform: none; }
  .paper-card:hover { transform: none; }
}