/* =====================================================================
   皇冠赛场 · 联赛数据年鉴 — 共享样式 /assets/site.css
   ===================================================================== */

/* ---------- 1. CSS 变量 ---------- */
:root {
  --ink:      #0C1B16;
  --ink-2:    #13291F;
  --paper:    #EDE6D6;
  --paper-2:  #F5F0E3;
  --gold:     #C9A227;
  --gold-2:   #E3C567;
  --brick:    #9E3B2E;
  --ash:      #93A09A;
  --ash-2:    #C8D0CB;
  --rule:     #2B3E36;

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

  --max:      1360px;
  --gutter:   24px;
  --row-h:    40px;
  --dur:      160ms;
  --ease:     cubic-bezier(.2,.6,.2,1);
}

[data-density="compact"] {
  --row-h: 30px;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.28;
}

p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; }

a { color: inherit; }

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

button { font: inherit; }

table { border-collapse: collapse; }

[id] { scroll-margin-top: 84px; }

/* ---------- 3. 焦点与可见性 ---------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -72px;
  z-index: 200;
  padding: 11px 20px;
  background: var(--gold);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 10px; }

#main-content {
  display: block;
  min-height: 60vh;
}

/* ---------- 4. 通用容器与数据带 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.band {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
}
.band:first-child { border-top: 0; }

.band--ink { background: var(--ink-2); }

.band--paper {
  background: var(--paper-2);
  color: var(--ink);
  border-top-color: rgba(12, 27, 22, .22);
}

.band--paper .section-head { border-bottom-color: rgba(12, 27, 22, .28); }
.band--paper .section-head__meta,
.band--paper .annot,
.band--paper .figure__caption { color: rgba(12, 27, 22, .62); }
.band--paper .eyebrow { color: var(--brick); }
.band--paper .rule-line { background: rgba(12, 27, 22, .18); }
.band--paper .btn--ghost { color: var(--ink); border-color: rgba(12, 27, 22, .32); }
.band--paper .btn--ghost:hover { color: var(--brick); border-color: var(--brick); }

/* ---------- 5. 抬头与分节 ---------- */
.eyebrow {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--gold);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--gold);
}

.section-head__title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-head__meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ash);
  white-space: nowrap;
}

.rule-line {
  height: 1px;
  border: 0;
  margin: 24px 0;
  background: var(--rule);
}

.annot {
  font-size: 12px;
  line-height: 1.75;
  color: var(--ash-2);
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.btn:hover { background: var(--gold-2); border-color: var(--gold-2); }

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--rule);
}
.btn--ghost:hover {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold-2);
}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb { padding: 18px 0 0; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ash);
}
.breadcrumb__list li { display: flex; align-items: center; gap: 8px; }
.breadcrumb__list li + li::before {
  content: "/";
  color: var(--rule);
}
.breadcrumb__list a {
  color: var(--ash-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.breadcrumb__list a:hover {
  color: var(--gold-2);
  border-bottom-color: var(--gold-2);
}

/* ---------- 8. 网格 ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--split { grid-template-columns: 7fr 5fr; }
.grid--split-rev { grid-template-columns: 5fr 7fr; }

.stack { display: grid; gap: 24px; }
.stack--sm { gap: 12px; }

/* ---------- 9. 表格 ---------- */
.data-table {
  width: 100%;
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 14px;
}

.data-table caption {
  padding: 0 0 10px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ash);
}

.data-table th,
.data-table td {
  height: var(--row-h);
  padding: 0 12px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--rule);
}

.data-table thead th {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  background: transparent;
}

.data-table tbody tr {
  transition: background var(--dur) var(--ease);
}
.data-table tbody tr:hover { background: var(--ink-2); }

.data-table td.num,
.data-table th.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  text-align: right;
}

.band--paper .data-table th,
.band--paper .data-table td { border-bottom-color: rgba(12, 27, 22, .16); }
.band--paper .data-table thead th { border-bottom-color: var(--ink); color: var(--brick); }
.band--paper .data-table tbody tr:hover { background: rgba(12, 27, 22, .05); }

[data-density="compact"] .data-table th,
[data-density="compact"] .data-table td { font-size: 13px; }

/* ---------- 10. 分档色标 ---------- */
.tag {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.5;
  border: 1px solid var(--rule);
  color: var(--ash-2);
  background: transparent;
}
.tag--win { border-color: var(--gold); color: var(--gold-2); }
.tag--draw { border-color: var(--ash); color: var(--ash-2); }
.tag--loss { border-color: var(--brick); color: var(--brick); background: rgba(158, 59, 46, .12); }

.band--paper .tag { border-color: rgba(12, 27, 22, .3); color: var(--ink); }
.band--paper .tag--win { border-color: var(--gold); color: #7a6213; }
.band--paper .tag--draw { border-color: var(--ash); color: #4d5a54; }
.band--paper .tag--loss { border-color: var(--brick); color: var(--brick); }

/* ---------- 11. 折叠块 ---------- */
.fold {
  border-top: 1px solid var(--rule);
}
.fold:last-of-type { border-bottom: 1px solid var(--rule); }

.fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ash-2);
  cursor: pointer;
  list-style: none;
}
.fold summary::-webkit-details-marker { display: none; }
.fold summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}
.fold[open] summary::before { content: "－"; }
.fold summary:hover { color: var(--gold-2); }

.fold__body {
  padding: 2px 0 20px 22px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ash-2);
}

/* ---------- 12. 图片容器基础规则 ---------- */
.figure { margin: 0; }

.figure__frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--rule);
}

.figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(237, 230, 214, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237, 230, 214, .07) 1px, transparent 1px);
  background-size: 40px 40px;
}

.figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.figure__caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ash);
}

/* ---------- 13. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 14px;
  width: 100%;
  max-width: var(--max);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 品牌 */
.brand {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: 10px 18px 10px 0;
  text-decoration: none;
}
.brand__mark {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.1;
  color: var(--paper);
}
.brand__sub {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .26em;
  line-height: 1.1;
  color: var(--gold);
}
.brand:hover .brand__sub { color: var(--gold-2); }

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin: auto 0 auto auto;
  padding: 9px 13px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--paper);
  font-size: 12px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--gold); color: var(--gold-2); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

/* 主导航 */
.primary-nav {
  margin-left: auto;
  display: flex;
  align-items: stretch;
}

.primary-nav__list {
  display: flex;
  align-items: stretch;
  list-style: none;
}

.primary-nav__list > li > a {
  position: relative;
  display: block;
  padding: 0 13px;
  line-height: 64px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--paper);
  text-decoration: none;
  border-left: 1px solid var(--rule);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.primary-nav__list > li:last-child > a { border-right: 1px solid var(--rule); }

.primary-nav__list > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.primary-nav__list > li > a:hover {
  color: var(--gold-2);
  background: var(--ink);
}
.primary-nav__list > li > a:hover::after,
.primary-nav__list > li > a:focus-visible::after,
.primary-nav__list > li > a[aria-current="page"]::after { transform: scaleX(1); }

.primary-nav__list > li > a[aria-current="page"] {
  color: var(--gold);
  background: var(--ink);
}

/* 页头工具区 */
.header-tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  padding-left: 16px;
  margin-left: 4px;
  border-left: 1px solid var(--rule);
}

.season-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--rule);
  background: var(--ink);
}

.season-switch__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ash-2);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  padding: 9px 10px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.season-switch__btn:hover { background: var(--ink-2); color: var(--gold-2); }
.season-switch__btn[disabled] { opacity: .3; cursor: default; }
.season-switch__btn[disabled]:hover { background: transparent; color: var(--ash-2); }

.season-switch__value {
  padding: 0 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 12px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--gold-2);
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
}

.density-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  appearance: none;
  padding: 9px 12px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ash-2);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.density-toggle:hover { border-color: var(--gold); color: var(--gold-2); }
.density-toggle[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}
.density-toggle__sep { color: var(--ash); }
.density-toggle[aria-pressed="true"] .density-toggle__sep { color: rgba(12, 27, 22, .5); }

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
  transform: scaleX(0);
  transform-origin: left center;
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  background: var(--ink-2);
  border-top: 1px solid var(--gold);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.1fr 1.5fr 1.1fr;
  gap: 40px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px var(--gutter) 44px;
}

.footer-brand {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper);
}
.footer-brand__sub {
  margin: 0 0 18px;
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--gold);
}
.footer-region {
  max-width: 34ch;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ash);
}

.footer-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.footer-index__title {
  margin: 0 0 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--gold);
}
.footer-contact .footer-index__title { margin-bottom: 16px; }

.footer-index__list {
  display: grid;
  gap: 9px;
  list-style: none;
}
.footer-index__list a {
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-index__list a:hover {
  color: var(--gold-2);
  border-bottom-color: var(--gold-2);
}

.footer-contact__list {
  margin: 0 0 16px;
  display: grid;
  gap: 12px;
}
.footer-contact__item { display: grid; gap: 3px; }
.footer-contact__key {
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--ash);
}
.footer-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}
.footer-contact__value--text {
  font-family: var(--font-sans);
  word-break: normal;
}

.footer-contact__note {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--ash-2);
}
.footer-contact__boundary {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--brick);
  font-size: 12px;
  line-height: 1.75;
  color: var(--ash);
}

.site-footer__base {
  border-top: 1px solid var(--rule);
}

.site-footer__base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 32px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px var(--gutter) 36px;
}

.footer-closing {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ash);
}
.footer-legal {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--ash-2);
  white-space: nowrap;
}

/* ---------- 15. 平板 ---------- */
@media (max-width: 1180px) {
  .primary-nav__list > li > a { padding: 0 10px; font-size: 13px; }
  .brand { padding-right: 12px; }
  .header-tools { padding-left: 12px; gap: 8px; }
}

@media (max-width: 1024px) {
  .site-header__inner { flex-wrap: wrap; }

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

  .primary-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    background: var(--ink-2);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--gold);
  }
  .primary-nav[data-open] { display: block; }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
  }
  .primary-nav__list > li > a {
    padding: 15px 24px;
    line-height: 1.2;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .primary-nav__list > li:last-child > a {
    border-right: 0;
    border-bottom: 0;
  }
  .primary-nav__list > li > a::after { display: none; }

  .primary-nav__list > li > a[aria-current="page"] {
    color: var(--gold-2);
    background: var(--ink);
  }
  .primary-nav__list > li > a[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gold);
  }

  .header-tools {
    order: 3;
    width: 100%;
    padding: 10px 0 12px;
    margin: 0;
    border-left: 0;
    border-top: 1px solid var(--rule);
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    padding-top: 44px;
  }
  .footer-brand-col { grid-column: 1 / -1; }
}

/* ---------- 16. 手机 ---------- */
@media (max-width: 900px) {
  .band { padding: 40px 0; }
  .grid--2,
  .grid--3,
  .grid--split,
  .grid--split-rev { grid-template-columns: 1fr; }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .section-head__title { font-size: 22px; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; }

  .brand__mark { font-size: 17px; }
  .brand__sub { letter-spacing: .2em; }

  .header-tools { flex-wrap: wrap; gap: 8px; }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 36px var(--gutter) 32px;
  }
  .footer-index { grid-template-columns: 1fr; gap: 26px; }

  .site-footer__base-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-legal { white-space: normal; }
}

/* ---------- 17. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .primary-nav__list > li > a::after { transition: none; }
}