/* ==========================================================================
   乐鱼赛场 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 按钮 / 网格 / 基础组件
   ========================================================================== */

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

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

body,
h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

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

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

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

:focus-visible {
  outline: 2px solid #00E5D0;
  outline-offset: 2px;
  border-radius: 3px;
}

::selection { background: rgba(0, 229, 208, 0.28); color: #E9F5FA; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-deep: #06121F;
  --ink-panel: #0C2233;
  --ink-steel: #17394F;
  --cyan: #00E5D0;
  --cyan-soft: #9BFFF3;
  --orange: #FF7A2F;
  --amber: #FFC24B;
  --paper: #F3EBDD;
  --paper-ink: #221A14;
  --alert: #FF5D5D;
  --cold-white: #E9F5FA;
  --mist: #8CA6B8;

  --font-display: "Barlow Condensed", "Oswald", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-editorial: "Noto Serif SC", Georgia, "Songti SC", "SimSun", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --font-body: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --dur: 120ms;
  --bevel-cut: 22px;
  --radius-lg: 24px;
  --radius-pill: 999px;
}

/* ---------- 3. 中文排版与底色 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--cold-white);
  background-color: var(--ink-deep);
  background-image:
    linear-gradient(to right, rgba(23, 57, 79, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 57, 79, 0.55) 1px, transparent 1px),
    radial-gradient(120% 70% at 78% -12%, rgba(0, 229, 208, 0.10), transparent 62%),
    radial-gradient(90% 60% at 0% 0%, rgba(255, 122, 47, 0.06), transparent 55%);
  background-size: 72px 72px, 72px 72px, 100% 100%, 100% 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

h1, h2, h3, h4 {
  font-family: var(--font-editorial);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

p { max-width: 38em; }

.display {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  line-height: 1.1;
}

.editorial { font-family: var(--font-editorial); letter-spacing: 0.02em; }

.num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.lead {
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.8;
  color: var(--cold-white);
  max-width: 38em;
}

.meta { font-size: 13px; color: var(--mist); letter-spacing: 0.02em; }

.mist { color: var(--mist); }
.cyan { color: var(--cyan); }
.amber { color: var(--amber); }
.orange { color: var(--orange); }

.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.label::before {
  content: "";
  width: 20px;
  height: 1px;
  background: currentColor;
  flex: 0 0 auto;
}

/* ---------- 4. 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 880px; }

.section { padding-block: clamp(56px, 8vw, 112px); }

.section--panel {
  background: var(--ink-panel);
  border-block: 1px solid var(--ink-steel);
}

.section--paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.section--paper h1,
.section--paper h2,
.section--paper h3 { color: var(--paper-ink); }

.grid { display: grid; gap: clamp(20px, 3vw, 32px); }

.grid--rail { grid-template-columns: 240px minmax(0, 1fr); align-items: start; }

.grid--split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }

.grid--duo { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.divider {
  height: 1px;
  border: 0;
  margin-block: 24px;
  background: linear-gradient(90deg, rgba(0, 229, 208, 0.55), rgba(23, 57, 79, 0));
}

/* ---------- 5. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 200;
  padding: 12px 20px;
  border-radius: 0 0 14px 14px;
  background: var(--cyan);
  color: #031820;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: top var(--dur) ease;
}

.skip-link:focus { top: 0; }

/* ---------- 6. 状态条 ---------- */
.status-strip {
  background: #04101A;
  border-bottom: 1px solid rgba(0, 229, 208, 0.18);
  font-size: 12px;
  line-height: 1.4;
}

.status-strip__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 28px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 4px var(--gutter);
}

.status-strip__label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.status-strip__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.status-strip__list {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  height: 20px;
  overflow: hidden;
}

.status-strip__item {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--mist);
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 180ms ease;
}

.status-strip__item.is-active { opacity: 1; color: var(--cyan-soft); }

.quick-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.quick-action {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  padding-bottom: 1px;
  border-bottom: 1px dashed rgba(140, 166, 184, 0.4);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.quick-action:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.quick-action[data-copied] { color: var(--cyan); border-bottom-color: var(--cyan); }

.status-strip__toggle {
  flex: 0 0 auto;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(140, 166, 184, 0.45);
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.12em;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.status-strip__toggle:hover { color: var(--cyan); border-color: var(--cyan); }

.status-strip__toggle[aria-pressed="true"] {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 7. 头部 ---------- */
.site-header {
  position: relative;
  z-index: 90;
  background: rgba(6, 18, 31, 0.96);
  border-bottom: 1px solid var(--ink-steel);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 16px var(--gutter);
}

.brand {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto auto;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: center;
}

.brand__mark {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--cyan) 0%, #0A8FA6 58%, #0B6F8A 100%);
  color: #031820;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand__name {
  grid-column: 2;
  align-self: end;
  font-family: var(--font-editorial);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cold-white);
}

.brand__meta {
  grid-column: 2;
  align-self: start;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
}

.brand:hover .brand__name { color: var(--cyan); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--ink-steel);
  border-radius: var(--radius-pill);
  color: var(--cold-white);
  font-size: 13px;
  letter-spacing: 0.1em;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.nav-toggle:hover { color: var(--cyan); border-color: var(--cyan); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}

.nav-toggle__text { font-weight: 600; }

.site-header[data-open] .nav-toggle {
  color: var(--cyan);
  border-color: var(--cyan);
}

.site-header[data-open] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.site-nav__link {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cold-white);
  transition: color var(--dur) ease, border-color var(--dur) ease, background var(--dur) ease;
}

.site-nav__link:hover {
  color: var(--cyan);
  border-color: rgba(0, 229, 208, 0.4);
}

.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(0, 229, 208, 0.1);
  border-color: rgba(0, 229, 208, 0.5);
  font-weight: 600;
}

.site-nav__cta { flex: 0 0 auto; }

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-align: center;
  transition: background var(--dur) ease, color var(--dur) ease,
              border-color var(--dur) ease, transform var(--dur) ease;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #031820;
}

.btn--primary:hover { background: var(--cyan-soft); border-color: var(--cyan-soft); }

.btn--ghost {
  border-color: var(--orange);
  color: var(--orange);
  background: transparent;
}

.btn--ghost:hover { background: var(--orange); color: #1B0C04; }

.btn--quiet {
  border-color: var(--ink-steel);
  color: var(--mist);
}

.btn--quiet:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- 9. 页脚 ---------- */
.site-footer {
  background: #04101A;
  border-top: 1px solid var(--ink-steel);
  padding-block: clamp(48px, 6vw, 80px) 32px;
}

.site-footer__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2.4fr);
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(28px, 4vw, 44px);
  border-bottom: 1px solid rgba(23, 57, 79, 0.9);
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-brand__mark {
  justify-self: start;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--cyan) 0%, #0B6F8A 100%);
  color: #031820;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.footer-brand__name {
  font-family: var(--font-editorial);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cold-white);
}

.footer-brand__line {
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 26em;
}

.copy-btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(0, 229, 208, 0.45);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.copy-btn:hover { background: rgba(0, 229, 208, 0.12); }

.copy-btn[data-copied] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #031820;
  font-weight: 600;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

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

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.footer-col__list { display: grid; gap: 6px; }

.footer-link {
  display: inline-block;
  padding-block: 3px;
  border-bottom: 1px solid transparent;
  font-size: 14px;
  color: var(--mist);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.footer-link:hover { color: var(--cyan-soft); border-bottom-color: rgba(0, 229, 208, 0.6); }

.footer-link[aria-current="page"] { color: var(--cyan); }

.footer-contact { gap: 8px; }

.footer-contact__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.6;
}

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #6E8CA1;
}

.footer-contact__val {
  color: var(--cold-white);
  overflow-wrap: anywhere;
}

.site-footer__bottom {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 36px);
  font-size: 12px;
  line-height: 1.8;
  color: var(--mist);
}

.footer-legal {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: #9BB4C4;
  max-width: none;
}

.footer-note { max-width: 72ch; }

.footer-copy {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: #5F7C90;
  max-width: none;
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.breadcrumbs a { color: var(--mist); border-bottom: 1px solid transparent; }
.breadcrumbs a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.breadcrumbs__sep { color: #2C5570; }
.breadcrumbs__current { color: var(--cyan); }

/* ---------- 11. 筛选胶囊 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--ink-steel);
  border-radius: var(--radius-pill);
  background: rgba(12, 34, 51, 0.6);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: color var(--dur) ease, border-color var(--dur) ease,
              background var(--dur) ease, transform var(--dur) ease;
}

.chip:hover { color: var(--cyan); border-color: rgba(0, 229, 208, 0.55); }

.chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #031820;
  font-weight: 600;
  transform: translateY(-1px);
}

/* ---------- 12. 比分带 ---------- */
.band {
  position: relative;
  overflow: hidden;
  background: var(--ink-panel);
  border-block: 1px solid var(--ink-steel);
}

.band__track {
  display: flex;
  gap: 14px;
  width: max-content;
  padding: 14px var(--gutter);
  animation: band-scroll 40s linear infinite;
}

.band:hover .band__track,
.band:focus-within .band__track { animation-play-state: paused; }

@keyframes band-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.band__cell {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
  border: 1px solid var(--ink-steel);
  border-radius: 16px;
  background: #081A29;
  white-space: nowrap;
}

.band__league {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.band__pair { font-size: 14px; color: var(--cold-white); }

.band__score {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}

/* ---------- 13. 筛选轨 ---------- */
.rail {
  position: sticky;
  top: 16px;
  padding: 18px;
  background: rgba(12, 34, 51, 0.55);
  border: 1px solid var(--ink-steel);
  border-radius: 20px;
}

.rail__head {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.rail__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border-left: 3px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  color: var(--mist);
  transition: color var(--dur) ease, background var(--dur) ease, border-color var(--dur) ease;
}

.rail__link:hover { color: var(--cold-white); background: rgba(0, 229, 208, 0.08); }

.rail__link[aria-current="true"] {
  border-left-color: var(--cyan);
  background: rgba(0, 229, 208, 0.12);
  color: var(--cyan);
  font-weight: 600;
}

.rail__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

/* ---------- 14. 时间轴 ---------- */
.spine {
  position: relative;
  padding-left: 32px;
}

.spine::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 208, 0.1));
}

.spine__item {
  position: relative;
  padding-bottom: 28px;
}

.spine__item:last-child { padding-bottom: 0; }

.spine__dot {
  position: absolute;
  left: -32px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 194, 75, 0.16);
}

.spine__title {
  font-family: var(--font-editorial);
  font-size: 18px;
  font-weight: 700;
  color: var(--cold-white);
}

.spine__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 15. 斜切面板 ---------- */
.bevel {
  --bevel-edge: rgba(0, 229, 208, 0.3);
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--bevel-cut)),
                     calc(100% - var(--bevel-cut)) 100%, 0 100%);
}

.bevel::before {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px var(--bevel-edge);
  pointer-events: none;
  clip-path: inherit;
}

.bevel--flip {
  clip-path: polygon(0 0, 100% 0, 100% 100%,
                     var(--bevel-cut) 100%, 0 calc(100% - var(--bevel-cut)));
}

.bevel--orange { --bevel-edge: rgba(255, 122, 47, 0.45); }

/* ---------- 16. 双折入口 ---------- */
.gate {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.gate__panel {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--ink-steel);
  border-radius: 22px;
  background: #081A29;
  transition: border-color var(--dur) ease, background var(--dur) ease;
}

.gate__panel--cyan { box-shadow: inset 0 0 0 1px rgba(0, 229, 208, 0.45); }
.gate__panel--orange { box-shadow: inset 0 0 0 1px rgba(255, 122, 47, 0.45); }

.gate__panel--cyan:hover { background: rgba(0, 229, 208, 0.08); }
.gate__panel--orange:hover { background: rgba(255, 122, 47, 0.08); }

/* ---------- 17. 纸面阅读卡 ---------- */
.paper-card {
  padding: clamp(22px, 4vw, 44px);
  border-radius: 28px;
  background: var(--paper);
  color: var(--paper-ink);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.paper-card h1,
.paper-card h2,
.paper-card h3 { color: var(--paper-ink); }

.paper-card p { color: var(--paper-ink); }

.paper-card a {
  color: #8A3A0F;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.paper-card a:hover { color: #B8480F; }

/* ---------- 18. 数据表 ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--ink-steel);
  border-radius: 16px;
  background: rgba(12, 34, 51, 0.5);
}

.data-table {
  min-width: 560px;
  font-size: 14px;
}

.data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 14px;
  background: #0B2032;
  border-bottom: 1px solid var(--ink-steel);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  text-align: left;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(23, 57, 79, 0.55);
  font-variant-numeric: tabular-nums;
  color: var(--cold-white);
}

.data-table tbody tr:nth-child(even) { background: rgba(23, 57, 79, 0.28); }
.data-table tbody tr:hover { background: rgba(0, 229, 208, 0.08); }

.data-table th:first-child,
.data-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: #0B2032;
  font-weight: 600;
}

.data-table tbody tr:nth-child(even) td:first-child { background: #0E2537; }

/* ---------- 19. 图片容器 ---------- */
.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 208, 0.22);
  border-radius: 22px;
  background: linear-gradient(135deg, #0B2032 0%, #17394F 100%);
  aspect-ratio: 16 / 10;
}

.img-frame > img,
.img-frame > picture,
.img-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame--wide { aspect-ratio: 21 / 9; }
.img-frame--tall { aspect-ratio: 3 / 4; }
.img-frame--square { aspect-ratio: 1 / 1; }

.img-frame--paper {
  border-color: rgba(34, 26, 20, 0.18);
  background: linear-gradient(135deg, #E7DCCA 0%, #F3EBDD 100%);
}

.img-frame__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cold-white);
  background: linear-gradient(transparent, rgba(6, 18, 31, 0.92));
}

/* ---------- 20. 数字锚点 ---------- */
.score {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--orange);
  font-size: clamp(30px, 5vw, 52px);
}

.score--mega {
  font-family: var(--font-display);
  font-size: clamp(72px, 14vw, 140px);
  line-height: 0.9;
  letter-spacing: 0.02em;
}

.stat { display: grid; gap: 4px; }

.stat__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  color: var(--cyan);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1240px) {
  .quick-actions { display: none; }
}

@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 80;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px var(--gutter) 22px;
    background: var(--ink-panel);
    border-top: 1px solid var(--ink-steel);
    border-bottom: 2px solid var(--cyan);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.55);
  }

  .site-header[data-open] .site-nav { display: flex; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav__link {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 15px;
  }

  .site-nav__link[aria-current="page"] {
    border-color: transparent;
    border-left: 3px solid var(--cyan);
    border-radius: 12px;
  }

  .site-nav__cta { margin-top: 12px; width: 100%; }

  .grid--rail { grid-template-columns: minmax(0, 1fr); }
  .rail { position: static; }
  .grid--split { grid-template-columns: minmax(0, 1fr); }

  .site-footer__top { grid-template-columns: minmax(0, 1fr); }
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  body { font-size: 15px; }

  .site-header__inner { padding-block: 13px; gap: 14px; }

  .brand__mark { width: 40px; height: 40px; border-radius: 12px; font-size: 17px; }
  .brand__name { font-size: 17px; }
  .brand__meta { font-size: 11px; white-space: normal; }

  .status-strip__inner { gap: 10px; font-size: 11px; }
  .status-strip__list { height: 18px; }

  .grid--duo { grid-template-columns: minmax(0, 1fr); }
  .gate { grid-template-columns: minmax(0, 1fr); }
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }

  .paper-card { border-radius: 22px; }
  .data-table { min-width: 480px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .band__track { animation: none; }
  .site-nav__list { scroll-behavior: auto; }
}