/* =========================================================
   爱游戏体育 · 共享样式表 /assets/site.css
   赛场档案馆 × 沙海星图：锐利直角、1px 细线、六列精密网格
   ========================================================= */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--line-dark); }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-900: #050D1A;
  --ink-800: #0B1B33;
  --ink-700: #2E3D4E;
  --paper: #F4EEE2;
  --paper-ink: #1B1613;
  --amber: #E68A2E;
  --goji: #C4392F;
  --cyan: #52B7C9;
  --sand: #CBB68F;
  --sand-deep: #8A7448;
  --haze: #93A3B5;

  --line-dark: rgba(147, 163, 181, 0.24);
  --line-dark-soft: rgba(147, 163, 181, 0.14);
  --line-light: rgba(27, 22, 19, 0.18);
  --scrim: linear-gradient(180deg, rgba(5,13,26,0.94) 0%, rgba(5,13,26,0.66) 58%, rgba(5,13,26,0) 100%);

  --shell: 1280px;
  --gutter: 24px;
  --header-h: 72px;

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

  --ease: 240ms cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-fast: 180ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (max-width: 599px) {
  :root { --gutter: 18px; --header-h: 64px; }
}

/* ---------- 3. 基底与中文排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  background-color: var(--ink-800);
  color: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

p { max-width: 70ch; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.22; }

.serif-head {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.16;
  font-size: clamp(26px, 3vw, 42px);
}
.block-head {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.18;
  font-size: clamp(22px, 2.4vw, 32px);
}
.numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}
.lede { font-size: clamp(16px, 1.4vw, 19px); line-height: 1.7; color: var(--haze); }
.muted { color: var(--haze); }

.prose { font-size: 16px; line-height: 1.75; }
.prose > * + * { margin-top: 1em; }
.prose h2, .prose h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(19px, 2vw, 24px);
  margin-top: 1.8em;
}
.prose li { position: relative; padding-left: 20px; }
.prose li + li { margin-top: 8px; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

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

.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(32px, 4.5vw, 60px); }

.grid-6 {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 24px;
}
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }

@media (max-width: 1023px) {
  .grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .col-3, .col-4 { grid-column: span 2; }
  .col-2 { grid-column: span 2; }
}
@media (max-width: 599px) {
  .grid-6 { grid-template-columns: 1fr; gap: 16px; }
  .col-2, .col-3, .col-4, .col-6 { grid-column: span 1; }
}

.section-head { display: grid; gap: 12px; margin-bottom: clamp(24px, 3vw, 40px); }
.section-head__index { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; color: var(--goji); }

/* ---------- 5. 面板与底色分区 ---------- */
.panel { padding-block: clamp(40px, 6vw, 84px); }
.panel--paper { background-color: var(--paper); color: var(--paper-ink); }
.panel--paper .label { color: var(--sand-deep); }
.panel--paper .muted { color: #5C5344; }
.panel--ink { background-color: var(--ink-800); color: var(--paper); }
.panel--deep { background-color: var(--ink-900); color: var(--paper); }
.panel--stone { background-color: var(--ink-700); color: var(--paper); }

.site-main { padding-top: var(--header-h); }
.site-main--overlay { padding-top: 0; }
#main-content:focus { outline: none; }

/* ---------- 6. 跳转链接与焦点 ---------- */
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--amber);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  transition: top var(--ease-fast);
}
.skip-link:focus { top: 12px; }

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

/* ---------- 7. 头部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  color: var(--paper);
  background-image: var(--scrim);
  border-bottom: 1px solid transparent;
  transition: background-color var(--ease), border-color var(--ease);
}
.site-header[data-stuck] {
  background-image: none;
  background-color: var(--ink-900);
  border-bottom-color: var(--line-dark);
}
.site-header[data-open] {
  background-image: none;
  background-color: var(--ink-900);
  border-bottom-color: var(--line-dark);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 32px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: var(--header-h);
}

.brand { display: flex; flex-direction: column; gap: 2px; flex: 0 0 auto; padding-block: 8px; }
.brand__name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--paper);
  transition: color var(--ease);
}
.brand__tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.2;
  color: var(--sand);
}
.brand:hover .brand__name { color: var(--amber); }

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 28px);
}
.site-nav__list { display: flex; align-items: center; gap: clamp(12px, 1.6vw, 26px); }
.site-nav__item { position: relative; }
.site-nav__link {
  position: relative;
  display: inline-block;
  padding-block: 6px;
  font-size: 15px;
  color: var(--haze);
  white-space: nowrap;
  transition: color var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}
.site-nav__link:hover { color: var(--paper); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--paper); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); background: var(--goji); }

.season-rail {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.season-rail::-webkit-scrollbar { display: none; }
.season-rail__chip {
  flex: 0 0 auto;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--haze);
  border: 1px solid var(--line-dark-soft);
  transition: color var(--ease), background-color var(--ease), border-color var(--ease);
}
.season-rail__chip:hover {
  color: var(--ink-900);
  background-color: var(--amber);
  border-color: var(--amber);
}

.site-nav__cta { flex: 0 0 auto; white-space: nowrap; }

@media (min-width: 1024px) {
  .site-header[data-stuck] .site-nav { flex-wrap: wrap; row-gap: 0; }
  .site-header[data-stuck] .season-rail {
    order: 5;
    flex: 1 0 100%;
    justify-content: flex-start;
    padding-block: 7px 9px;
    margin-top: 2px;
    border-top: 1px solid var(--line-dark-soft);
  }
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 10px 12px;
  color: var(--paper);
  border: 1px solid var(--line-dark);
  transition: color var(--ease), border-color var(--ease);
}
.nav-toggle__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; }
.nav-toggle__bars { position: relative; display: block; width: 18px; height: 1px; background: currentColor; transition: background-color var(--ease); }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: top var(--ease), transform var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.site-header[data-open] .nav-toggle { color: var(--amber); border-color: var(--amber); }
.site-header[data-open] .nav-toggle__bars { background: transparent; }
.site-header[data-open] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

.read-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--amber), var(--goji));
  transition: width 120ms linear;
}

@media (max-width: 1023px) {
  .site-header__inner { flex-wrap: wrap; padding-block: 8px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    order: 9;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    width: 100%;
    margin-top: 8px;
    padding-bottom: 12px;
    border-top: 1px solid var(--line-dark);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .site-header[data-open] .site-nav { display: flex; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .site-nav__link {
    display: block;
    padding: 14px 2px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-dark-soft);
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] {
    color: var(--amber);
    border-left: 2px solid var(--goji);
    padding-left: 10px;
  }
  .season-rail {
    order: 8;
    flex: 0 0 auto;
    width: 100%;
    justify-content: flex-start;
    padding-block: 14px 4px;
  }
  .site-nav__cta { align-self: flex-start; margin-top: 16px; }
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 11px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  border: 1px solid currentColor;
  transition: color var(--ease), background-color var(--ease), border-color var(--ease);
}
.btn--line { color: var(--paper); border-color: var(--line-dark); }
.btn--line:hover { color: var(--amber); border-color: var(--amber); }
.btn--solid { background-color: var(--goji); border-color: var(--goji); color: #FFFFFF; }
.btn--solid:hover { background-color: #A62C24; border-color: #A62C24; }
.btn--amber { background-color: var(--amber); border-color: var(--amber); color: var(--ink-900); }
.btn--amber:hover { background-color: #F09A3F; border-color: #F09A3F; }

/* ---------- 9. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--haze);
}
.breadcrumb__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb__link { transition: color var(--ease); }
.breadcrumb__link:hover { color: var(--amber); }
.breadcrumb__sep { color: rgba(147, 163, 181, 0.5); }

/* ---------- 10. 卡片与标签 ---------- */
.card {
  padding: 20px;
  background-color: var(--paper);
  color: var(--paper-ink);
  border: 1px solid var(--line-light);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: var(--amber); }
.card--dark {
  background-color: rgba(11, 27, 51, 0.62);
  color: var(--paper);
  border-color: var(--line-dark);
}
.card--dark:hover { border-color: var(--amber); }
.card__meta { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--haze); }
.card--dark .card__meta { color: var(--sand); }

.tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  color: var(--amber);
}
.tag--cyan { color: var(--cyan); }
.tag--red { color: var(--goji); }
.tag--sand { color: var(--sand); }

/* ---------- 11. 数据组件 ---------- */
.scoreboard {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line-dark);
  background-color: rgba(5, 13, 26, 0.4);
}
.scoreboard__pair { display: flex; align-items: flex-end; gap: 12px; }
.score {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 0.92;
  letter-spacing: -0.03em;
}
.score--warm { color: var(--amber); }
.score--cool { color: var(--cyan); }
.score--red { color: var(--goji); }
.scoreboard__team { font-size: 14px; color: var(--haze); }

.bars { display: grid; gap: 8px; }
.bars__item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--haze);
}
.bars__track { height: 8px; background-color: rgba(147, 163, 181, 0.16); }
.bars__fill { display: block; height: 100%; background-color: var(--cyan); }
.bars__fill--warm { background-color: var(--amber); }
.bars__fill--red { background-color: var(--goji); }

.data-table { font-size: 14px; border: 1px solid var(--line-dark); }
.data-table th,
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--line-dark); text-align: left; }
.data-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background-color: rgba(230, 138, 46, 0.08); }
.data-table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--amber); }
.data-table--paper { border-color: var(--line-light); }
.data-table--paper th,
.data-table--paper td { border-bottom-color: var(--line-light); color: var(--paper-ink); }
.data-table--paper th { color: var(--sand-deep); }
.data-table--paper .num { color: var(--goji); }

.timeline {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  border-block: 1px solid var(--line-dark);
  scrollbar-width: thin;
}
.timeline__item {
  flex: 0 0 auto;
  padding: 12px 18px;
  border-right: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--haze);
  transition: color var(--ease), background-color var(--ease);
}
.timeline__item:hover { color: var(--paper); }
.timeline__item[aria-current="true"] { background-color: var(--amber); color: var(--ink-900); }

.stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding-block: 10px;
  border-bottom: 1px solid var(--line-dark-soft);
  font-size: 14px;
}
.stat-row__key { color: var(--haze); }
.stat-row__value { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 22px; color: var(--cyan); }

/* ---------- 12. 图片容器 ---------- */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--ink-900);
  border: 1px solid var(--line-dark);
}
.media--tall { aspect-ratio: 3 / 4; }
.media--wide { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.04) brightness(0.94);
}
.media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 4px 9px;
  background-color: var(--goji);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.media__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--haze);
}

/* ---------- 13. 问答折叠 ---------- */
.accordion { border: 1px solid var(--line-dark); }
.accordion__item { border-bottom: 1px solid var(--line-dark); }
.accordion__item:last-child { border-bottom: 0; }
.accordion__trigger {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 18px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  transition: color var(--ease);
}
.accordion__trigger:hover { color: var(--amber); }
.accordion__trigger[aria-expanded="true"] { color: var(--amber); }
.accordion__icon {
  font-family: var(--font-mono);
  color: var(--amber);
  transition: transform var(--ease-fast);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }
.accordion__panel { padding: 0 18px 18px; font-size: 15px; color: var(--haze); }
.accordion__panel[hidden] { display: none; }

/* ---------- 14. 页脚 ---------- */
.site-footer {
  background-color: var(--ink-900);
  color: var(--haze);
  border-top: 1px solid var(--line-dark);
  font-size: 14px;
}
.site-footer__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 64px) var(--gutter) 28px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.4fr 1fr;
  gap: 32px 24px;
}
.site-footer__col { min-width: 0; }
.site-footer__brand { font-size: 22px; font-weight: 900; letter-spacing: -0.01em; color: var(--paper); }
.site-footer__tagline {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand);
}
.site-footer__note { margin-top: 14px; max-width: 34em; line-height: 1.7; }
.site-footer__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}
.site-footer__list { display: grid; gap: 10px; }
.site-footer__list--plain li {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
}
.site-footer__link {
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.site-footer__link:hover { color: var(--amber); border-bottom-color: var(--amber); }

.site-footer__back {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: 16px 18px;
  border: 1px solid var(--line-dark);
  color: var(--paper);
  font-weight: 600;
  transition: color var(--ease), border-color var(--ease);
}
.site-footer__back:hover { color: var(--amber); border-color: var(--amber); }

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-dark-soft);
}
.site-footer__legal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--haze);
}

@media (max-width: 1023px) {
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 599px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- 15. 显现与动效克制 ---------- */
html[data-js] [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 360ms cubic-bezier(0.22, 0.61, 0.36, 1), transform 360ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
html[data-js] [data-reveal].is-visible { opacity: 1; transform: none; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html[data-js] [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- 16. 锚点与工具类 ---------- */
:target { scroll-margin-top: calc(var(--header-h) + 28px); }
.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}