/* ==========================================================================
   易倍赛场 · /assets/site.css
   高原星空 + 纸上档案：深靛蓝底、纸白卡片、青柠数据高亮、藏红饰带
   ========================================================================== */

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

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

body { margin: 0; }

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

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

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

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

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

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

/* ---------- 2. Tokens ---------- */
:root {
  --indigo: #0B1030;
  --indigo-2: #0F1533;
  --ink: #060A1E;
  --paper: #F4EFE4;
  --line: #D8D2C4;
  --lime: #C8FF3D;
  --orange: #FF5A2B;
  --saffron: #A01432;
  --gold: #E8B44A;
  --steel: #8C9AB8;
  --mint: #4FE0C0;

  --on-indigo: #F4EFE4;
  --on-indigo-soft: rgba(244, 239, 228, 0.78);
  --on-ink-soft: rgba(244, 239, 228, 0.62);
  --hair: rgba(216, 210, 196, 0.22);
  --hair-strong: rgba(216, 210, 196, 0.4);
  --paper-hair: rgba(11, 16, 48, 0.16);

  --shell: 1280px;
  --gutter: clamp(18px, 4vw, 40px);
  --gap: 24px;

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

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  --header-h: 76px;
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  background-color: var(--indigo);
  background-image: linear-gradient(180deg, #0B1030 0%, #0B1030 58%, #060A1E 100%);
  color: var(--on-indigo);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(34px, 5vw, 56px); }
h2 { font-size: clamp(26px, 3.4vw, 40px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }

p { max-width: 68ch; }

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

.display-sport {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 11vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  transform: skewX(-2deg);
}

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

.rule {
  height: 1px;
  border: 0;
  background: var(--hair);
}

.band-tibet {
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--saffron) 0 18px,
    var(--gold) 18px 24px,
    #0B1030 24px 40px,
    var(--orange) 40px 44px
  );
}

.sky-texture { position: relative; }

.sky-texture::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(rgba(140, 154, 184, 0.26) 1px, transparent 1.2px),
    radial-gradient(rgba(244, 239, 228, 0.16) 1px, transparent 1.2px);
  background-size: 72px 72px, 118px 118px;
  background-position: 0 0, 34px 26px;
}

.sky-texture > * { position: relative; z-index: 1; }

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

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}

.section {
  position: relative;
  padding-block: clamp(56px, 8vw, 96px);
}

.section--paper { background: var(--paper); color: var(--indigo); }
.section--paper a { color: var(--indigo); }
.section--paper .rule { background: var(--paper-hair); }
.section--paper .eyebrow { color: #4A5470; }
.section--ink { background: var(--ink); }

/* ---------- 5. Focus & skip ---------- */
:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.section--paper :focus-visible { outline-color: var(--orange); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 400;
  padding: 12px 20px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

#main-content { scroll-margin-top: calc(var(--header-h) + 24px); }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 120ms var(--ease), color 120ms var(--ease),
    border-color 120ms var(--ease), transform 120ms var(--ease);
}

.btn:hover { transform: translateY(-2px); }

.btn--primary { background: var(--orange); color: #170500; }
.btn--primary:hover { background: var(--lime); color: var(--ink); }

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--hair-strong);
}
.btn--ghost:hover { color: var(--lime); border-color: var(--lime); }

.btn--paper { background: var(--paper); color: var(--ink); border-color: var(--line); }
.btn--paper:hover { background: var(--ink); color: var(--lime); border-color: var(--ink); }

/* ---------- 7. Tags & cards ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.6;
}

.tag--lime { color: var(--lime); }
.tag--mint { color: var(--mint); }
.tag--orange { color: var(--orange); }
.tag--gold { color: var(--gold); }

.section--paper .tag--lime, .card--paper .tag--lime { color: #3D6B00; }
.section--paper .tag--mint, .card--paper .tag--mint { color: #0E7A64; }
.section--paper .tag--orange, .card--paper .tag--orange { color: #C43A12; }
.section--paper .tag--gold, .card--paper .tag--gold { color: #8A6414; }

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--hair);
  border-radius: 0;
  background: var(--indigo-2);
  color: var(--paper);
  transition: border-color 120ms var(--ease), transform 120ms var(--ease);
}

.card:hover { border-color: var(--lime); transform: translateY(-2px); }

.card--paper {
  background: var(--paper);
  color: var(--indigo);
  border-color: var(--line);
}

.card--paper:hover { border-color: var(--orange); }

.card__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--saffron);
}

.card--dark .card__kicker { color: var(--lime); }

/* ---------- 8. Chapter, stat, prose, breadcrumbs ---------- */
.chapter {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-top: 8px;
}

.chapter__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.chapter__title { font-family: var(--font-serif); }

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.section--paper .stat__value { color: #3D6B00; }

.stat__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--on-indigo-soft);
}

.prose p + p { margin-top: 1.1em; }
.prose strong { color: var(--paper); font-weight: 700; }
.prose--paper { color: rgba(11, 16, 48, 0.82); }
.prose--paper strong { color: var(--ink); }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.breadcrumbs__sep { color: rgba(140, 154, 184, 0.6); }
.breadcrumbs a:hover { color: var(--lime); }

.score-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--hair);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.score-bar__score { color: var(--lime); font-weight: 600; font-variant-numeric: tabular-nums; }

.archive-item {
  border-top: 1px solid var(--hair);
  padding-left: 0;
  transition: border-color 120ms var(--ease), padding-left 120ms var(--ease);
}

.archive-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 19px;
}

.archive-item summary::-webkit-details-marker { display: none; }
.archive-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--orange);
}
.archive-item[open] summary::after { content: "−"; }

.archive-item[open] {
  border-left: 3px solid var(--saffron);
  padding-left: 18px;
}

.archive-item__body { padding-bottom: 22px; color: var(--on-indigo-soft); }

/* ---------- 9. Media placeholders ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--hair);
  background: var(--indigo-2);
}

.media--wide { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--portrait { aspect-ratio: 3 / 4; }

.media img,
.media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section--paper .media { border-color: var(--line); background: #E4DECD; }

.media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.media-frame { display: block; }

/* ---------- 10. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--indigo);
  border-bottom: 1px solid var(--hair);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: var(--header-h);
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}

.brand__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.brand:hover .brand__mark { color: var(--lime); }

.brand__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--steel);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  justify-self: end;
  padding: 10px 12px;
  border: 1px solid var(--hair-strong);
  border-radius: 0;
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--paper);
  box-shadow: 0 -6px 0 var(--paper), 0 6px 0 var(--paper);
}

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.nav-toggle[aria-expanded="true"] { border-color: var(--lime); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars,
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: var(--lime); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { box-shadow: 0 -6px 0 var(--lime), 0 6px 0 var(--lime); }
.nav-toggle[aria-expanded="true"] .nav-toggle__label { color: var(--lime); }

.capsule-nav { justify-self: center; }

.capsule-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--indigo-2);
}

.capsule-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--paper);
  white-space: nowrap;
  transition: background-color 120ms var(--ease), color 120ms var(--ease),
    border-color 120ms var(--ease);
}

.capsule-nav__link:hover {
  background: rgba(200, 255, 61, 0.12);
  border-color: rgba(200, 255, 61, 0.5);
  color: var(--lime);
}

.capsule-nav__link[aria-current="page"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

.capsule-nav__abbr { display: none; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-self: end;
}

.header-now {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel);
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.header-now:hover { border-color: var(--lime); color: var(--paper); }
.header-now__value { color: var(--lime); font-size: 14px; }

.header-actions__cta { padding: 10px 18px; font-size: 14px; }

/* ---------- 11. Ticker ---------- */
.ticker {
  background: var(--ink);
  border-top: 1px solid var(--hair);
}

.ticker__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.ticker__track {
  display: flex;
  align-items: stretch;
  min-width: max-content;
}

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 22px;
  border-right: 1px solid rgba(216, 210, 196, 0.12);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
  white-space: nowrap;
}

.ticker__team { color: var(--paper); }
.ticker__score { color: var(--lime); font-weight: 600; font-variant-numeric: tabular-nums; }
.ticker__meta { color: var(--steel); }

.ticker__state {
  padding: 1px 7px;
  border: 1px solid var(--hair-strong);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.ticker__state--live { color: var(--lime); border-color: rgba(200, 255, 61, 0.55); }
.ticker__state--final { color: var(--mint); border-color: rgba(79, 224, 192, 0.45); }

/* ---------- 12. Scroll progress ---------- */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(216, 210, 196, 0.12);
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--lime);
}

/* ---------- 13. Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-block: 72px 40px;
}

.footer-brand__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--paper);
  max-width: none;
}

.footer-brand__tag {
  margin-top: 6px;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--lime);
  max-width: none;
}

.footer-brand__meta {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  max-width: none;
}

.footer-brand__copy {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-ink-soft);
  max-width: none;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--saffron);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair);
}

.footer-list { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }

.footer-list__link {
  position: relative;
  display: inline-block;
  padding-left: 0;
  font-size: 15px;
  color: var(--on-indigo-soft);
  transition: color 120ms var(--ease), padding-left 120ms var(--ease);
}

.footer-list__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 12px;
  transform: translateY(-50%);
  background: var(--lime);
  transition: width 120ms var(--ease);
}

.footer-list__link:hover,
.footer-list__link:focus-visible { color: var(--lime); padding-left: 14px; }
.footer-list__link:hover::before,
.footer-list__link:focus-visible::before { width: 8px; }

.footer-contact { margin-top: 18px; display: flex; flex-direction: column; gap: 14px; }

.footer-contact__row { display: flex; flex-direction: column; gap: 3px; }

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.footer-contact__val {
  font-size: 15px;
  color: var(--on-indigo-soft);
  word-break: break-word;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.footer-note { max-width: none; color: var(--on-ink-soft); }
.footer-legal { max-width: none; color: var(--gold); }

/* ---------- 14. Reveal ---------- */
[data-reveal].reveal-init {
  opacity: 0;
  transform: translateY(16px);
}

[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}

/* ---------- 15. Responsive: tablet ---------- */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 1023px) {
  :root { --header-h: 64px; }

  .site-header__inner {
    grid-template-columns: 1fr auto auto;
    gap: 12px;
  }

  .nav-toggle { display: inline-flex; order: 3; }

  .capsule-nav {
    order: 4;
    grid-column: 1 / -1;
    justify-self: stretch;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    padding: 12px var(--gutter);
    background: var(--indigo);
    border-bottom: 1px solid var(--hair);
  }

  .capsule-nav[data-open] { display: block; }

  .capsule-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px;
    border-radius: 18px;
  }

  .capsule-nav__link {
    justify-content: flex-start;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 15px;
  }

  .capsule-nav__link[aria-current="page"] { border-radius: 12px; }

  .header-actions { order: 2; gap: 10px; }
  .header-now { display: none; }
}

/* ---------- 16. Responsive: phone ---------- */
@media (max-width: 640px) {
  body { font-size: 15.5px; }

  .brand__mark { font-size: 19px; }

  .header-actions__cta { padding: 9px 14px; font-size: 13px; }

  .ticker__item { padding: 8px 16px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 52px 28px;
  }

  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .stat__value { font-size: clamp(26px, 8vw, 38px); }

  .media--portrait { aspect-ratio: 4 / 5; }
}

/* ---------- 17. Desktop condensed header ---------- */
@media (min-width: 1024px) {
  .site-header.is-condensed .site-header__inner {
    min-height: 58px;
    padding-block: 6px;
  }

  .site-header.is-condensed .ticker { display: none; }

  .site-header.is-condensed .capsule-nav__full {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }

  .site-header.is-condensed .capsule-nav__abbr { display: inline; }

  .site-header.is-condensed .capsule-nav__link { padding: 7px 13px; }
}

/* ---------- 18. Reduced motion ---------- */
@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;
  }

  [data-reveal].reveal-init { opacity: 1; transform: none; }

  .btn:hover,
  .card:hover { transform: none; }

  .scroll-progress { display: none; }
}