/* ============================================================
   LEYU赛事主站 · 共享样式 /assets/site.css
   夜蓝底 + 精密网格 + 珠宝色分区 + 等宽索引
   ============================================================ */

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

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

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- tokens ---------- */
:root {
  --night: #0A1428;
  --deep-green: #0B2A22;
  --panel: #10352B;
  --panel-soft: #123D31;
  --indigo: #2A1B4D;
  --wine: #4A1824;
  --lime: #8CFF66;
  --gold: #F2C94C;
  --ink: #E8F0EA;
  --muted: #9BB0A5;
  --line: #2F4A42;
  --digit: #D6FFB8;

  --font-head: "Barlow Condensed", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1280px;
  --gut: clamp(16px, 4vw, 40px);
  --gap: 18px;
  --radius: 0px;
}

/* ---------- base ---------- */
body {
  background-color: var(--night);
  background-image:
    linear-gradient(to right, rgba(47, 74, 66, 0.26) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 74, 66, 0.26) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.125rem, 1.8vw, 1.5rem); }

p { color: var(--ink); }

::selection { background: var(--lime); color: #06210F; }

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

/* ---------- a11y ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--lime);
  color: #06210F;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: top 0.18s ease;
}
.skip-link:focus { top: 10px; }

/* ---------- layout utilities ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.wrap--read { max-width: 68ch; }

.section {
  position: relative;
  padding-block: clamp(40px, 6vw, 88px);
  border-top: 1px solid var(--line);
}
.section:first-of-type { border-top: 0; }

.band--night { background: var(--night); }
.band--green { background: var(--deep-green); }
.band--panel { background: var(--panel); }
.band--indigo { background: var(--indigo); }
.band--wine { background: var(--wine); }

.section[data-active="true"] { box-shadow: inset 4px 0 0 0 var(--lime); }
.section[data-active="true"] .eyebrow { color: var(--lime); }

.stack { display: grid; gap: 16px; }

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--aside { grid-template-columns: 1fr; }

@media (min-width: 720px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--aside { grid-template-columns: 280px minmax(0, 1fr); gap: 32px; }
}

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

/* ---------- typography helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.section-title { margin-bottom: 14px; }
.lede {
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.75;
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 24px;
}
.mono { font-family: var(--font-mono); letter-spacing: 0.06em; }
.digit {
  font-family: var(--font-mono);
  color: var(--digit);
  font-size: 0.95em;
  letter-spacing: 0.08em;
}
.prose { max-width: 68ch; font-size: 17px; line-height: 1.78; }
.prose > * + * { margin-top: 1.05em; }
.prose h2, .prose h3 { margin-top: 1.6em; }
.prose a { color: var(--lime); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn--lime { background: var(--lime); color: #06210F; }
.btn--lime:hover { background: #B4FF99; }
.btn--gold { background: var(--gold); color: #2A1B04; }
.btn--gold:hover { background: #FFDE79; }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--lime); color: var(--lime); }

/* ---------- tags / kv / note ---------- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.tag--lime { color: var(--lime); border-color: rgba(140, 255, 102, 0.45); }
.tag--gold { color: var(--gold); border-color: rgba(242, 201, 76, 0.45); }

.kv { border-top: 1px solid var(--line); }
.kv__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.kv__k { color: var(--muted); font-size: 14px; }
.kv__v { font-family: var(--font-mono); font-size: 14px; color: var(--digit); }

.note {
  background: rgba(74, 24, 36, 0.72);
  border: 1px solid #6D2434;
  padding: 16px 18px;
}
.note__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 8px;
}
.note p { color: var(--ink); font-size: 15px; }

/* ---------- cards ---------- */
.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 18px;
}
.card--edge-lime { border-left: 3px solid var(--lime); }
.card--edge-gold { border-left: 3px solid var(--gold); }
.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.card__title { font-size: 1.125rem; font-weight: 700; }
.card__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.card__body { font-size: 15px; color: var(--muted); }

/* ---------- data table ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: left;
  color: var(--muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.data-table td.num { font-family: var(--font-mono); color: var(--digit); letter-spacing: 0.06em; }
.data-table tbody tr:hover td { background: rgba(140, 255, 102, 0.05); }

/* ---------- horizontal scroller ---------- */
.hscroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 8px;
  touch-action: pan-x pan-y;
}
.hscroll > * { flex: 0 0 auto; scroll-snap-align: start; }
.hscroll::-webkit-scrollbar { height: 6px; }
.hscroll::-webkit-scrollbar-track { background: var(--line); }
.hscroll::-webkit-scrollbar-thumb { background: var(--lime); }

/* ---------- media containers ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, var(--panel) 0%, #08111F 70%),
    var(--night);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06) brightness(0.94);
}
.media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--digit);
  background: rgba(10, 20, 40, 0.74);
  border-top: 1px solid var(--line);
}

/* ---------- breadcrumbs ---------- */
.breadcrumbs { margin-bottom: 18px; }
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.breadcrumbs__item { display: inline-flex; align-items: center; }
.breadcrumbs__item:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--line); }
.breadcrumbs__link { color: var(--muted); text-decoration: none; }
.breadcrumbs__link:hover { color: var(--lime); }
.breadcrumbs__item[aria-current="page"] { color: var(--ink); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--night);
  border-bottom: 1px solid var(--line);
}

.progress {
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  pointer-events: none;
  background: rgba(47, 74, 66, 0.6);
}
.progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lime), var(--gold));
  transition: transform 0.12s linear;
}

.header-top { background: var(--deep-green); border-bottom: 1px solid var(--line); }
.header-top__inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 12px var(--gut);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand__mark {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--lime);
  background: rgba(140, 255, 102, 0.08);
  border: 1px solid rgba(140, 255, 102, 0.4);
  padding: 5px 9px 4px;
}
.brand__text { display: flex; flex-direction: column; gap: 1px; }
.brand__name {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 1.2;
}
.brand__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.brand--footer .brand__name { font-size: 16px; }

.utility {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border: 1px solid var(--line);
  background: rgba(10, 20, 40, 0.55);
}
.chip__label { color: var(--muted); }
.chip__val { color: var(--digit); }

.utility__btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.utility__btn:hover { color: var(--lime); border-color: var(--lime); }
.utility__btn[aria-expanded="true"] { color: var(--lime); border-color: var(--lime); background: rgba(140, 255, 102, 0.08); }

.utility__cta {
  display: inline-block;
  background: var(--lime);
  color: #06210F;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background-color 0.18s ease;
}
.utility__cta:hover { background: var(--gold); }

.header-nav { background: var(--night); }
.header-nav__inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 52px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 8px 12px;
  margin-block: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }
.nav-toggle__bars {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor, 0 -5px 0 currentColor;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  box-shadow: 0 0 0 currentColor, 0 0 0 currentColor;
  transform: rotate(90deg);
  transition: transform 0.2s ease;
}
.nav-toggle__label { line-height: 1; }

.nav { display: none; flex: 1 1 100%; order: 3; }
.nav[data-open] { display: block; }
.nav__list { display: flex; flex-direction: column; }
.nav__item { border-top: 1px solid rgba(47, 74, 66, 0.7); }
.nav__item:first-child { border-top: 0; }
.nav__link {
  display: block;
  padding: 12px 12px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.nav__link:hover { color: var(--ink); background: rgba(16, 53, 43, 0.7); }
.nav__link[aria-current="page"] {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(140, 255, 102, 0.06);
}

.date-jump {
  margin-left: auto;
  padding: 10px 0 10px 14px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-decoration: none;
}
.date-jump::before { content: "⇤ "; color: var(--gold); }
.date-jump:hover { color: var(--lime); }

.search-panel {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.search-panel[hidden] { display: none; }
.search-panel__inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 18px var(--gut) 22px;
  display: grid;
  gap: 14px;
}
.search__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.search__field {
  width: 100%;
  max-width: 520px;
  padding: 11px 14px;
  background: var(--night);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
}
.search__field::placeholder { color: rgba(155, 176, 165, 0.75); }
.search__field:focus-visible { border-color: var(--lime); }
.search__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 8px;
}
.search__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: rgba(10, 20, 40, 0.55);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.16s ease, color 0.16s ease;
}
.search__item:hover { border-color: var(--lime); color: var(--lime); }
.search__item[hidden] { display: none; }
.search__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.search__empty { font-size: 14px; color: var(--gold); }
.search__empty[hidden] { display: none; }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .nav { display: block; flex: 0 1 auto; order: 0; }
  .nav__list { flex-direction: row; flex-wrap: wrap; gap: 2px; }
  .nav__item { border-top: 0; }
  .nav__link {
    padding: 15px 14px;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }
  .nav__link:hover { background: transparent; border-bottom-color: var(--line); }
  .nav__link[aria-current="page"] {
    background: transparent;
    border-left-color: transparent;
    border-bottom-color: var(--lime);
  }
}

@media (max-width: 639px) {
  .brand__tag { display: none; }
  .chip { display: none; }
  .date-jump { border-left: 0; padding-left: 0; margin-left: auto; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  background: var(--deep-green);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(260px, 42%);
  height: 2px;
  background: var(--lime);
}

.footer-grid {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(32px, 5vw, 56px) var(--gut) 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 32px; } }

.footer-brand__line {
  margin-top: 14px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
}
.footer-brand__service {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--digit);
  margin-bottom: 12px;
}
.footer-list { display: grid; gap: 8px; font-size: 14px; }
.footer-list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.footer-list a:hover { color: var(--lime); border-bottom-color: var(--lime); }
.footer-list li { line-height: 1.6; }
.footer-list__k {
  display: inline-block;
  min-width: 44px;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--digit);
}
.footer-col--contact .footer-list { word-break: break-word; }

.footer-bar {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 14px var(--gut) 28px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.footer-bar__copy { color: var(--muted); }
.footer-bar__icp { color: var(--muted); }

.to-top {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, color 0.16s ease, border-color 0.16s ease;
}
.to-top[data-visible] { opacity: 1; visibility: visible; }
.to-top:hover { color: var(--lime); border-color: var(--lime); }

/* ============================================================
   REVEAL / MOTION
   ============================================================ */
[data-reveal][data-reveal-state="idle"] {
  opacity: 0;
  transform: translateY(8px);
}
[data-reveal][data-reveal-state="in"] {
  opacity: 1;
  transform: none;
  transition: opacity 0.42s ease, transform 0.42s ease;
}

@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;
  }
  [data-reveal][data-reveal-state] { opacity: 1; transform: none; }
  .progress__bar { transition: none; }
  .hscroll { scroll-snap-type: none; }
}