/* ==========================================================================
   欧凯体育CN · 共享样式表 /assets/site.css
   赛场数据指挥中心：深墨绿基底 × 荧光青柠动作色 × 琥珀橙数据高亮
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --c-bg: #071A14;
  --c-panel: #0D2A22;
  --c-line: #17423A;
  --c-lime: #C9FF3F;
  --c-lime-deep: #95CE28;
  --c-amber: #FFA22B;
  --c-paper: #EDF6F0;
  --c-mute: #A3B8AF;
  --c-void: #030C09;

  --rail-w: 264px;
  --bar-h: 52px;
  --bar-h-desk: 40px;
  --pad-x: clamp(18px, 4.2vw, 64px);
  --max-w: 1380px;

  --f-display: "Arial Narrow", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --f-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --f-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--c-bg);
  color: var(--c-paper);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
  padding-top: var(--bar-h);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
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 var(--c-lime);
  outline-offset: 2px;
}

::selection { background: var(--c-lime); color: var(--c-void); }

/* ---------- 3. 中文排版与通用文字 ---------- */
.h-display {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.04;
  letter-spacing: -.012em;
  color: var(--c-paper);
}

.h-display--sm { font-size: clamp(24px, 3vw, 40px); line-height: 1.12; }

.h-section {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(20px, 2.1vw, 30px);
  line-height: 1.2;
  letter-spacing: -.008em;
  color: var(--c-paper);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  flex: 0 0 auto;
}

.num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
  display: inline-block;
}

.num--xl {
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1;
  color: var(--c-lime);
}

.num--amber { color: var(--c-amber); }

.prose { max-width: 68ch; }
.prose p { color: var(--c-mute); margin-bottom: 1em; }
.prose h2,
.prose h3 {
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--c-paper);
  margin: 1.6em 0 .5em;
  line-height: 1.25;
}
.prose h2 { font-size: clamp(20px, 2vw, 28px); }
.prose h3 { font-size: 19px; }
.prose ul { margin: 0 0 1.2em; }
.prose li {
  position: relative;
  padding-left: 18px;
  color: var(--c-mute);
  margin-bottom: .4em;
}
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--c-lime);
}
.prose a { color: var(--c-lime); border-bottom: 1px solid var(--c-line); }
.prose a:hover { border-color: var(--c-lime); }

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

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 3000;
  background: var(--c-lime);
  color: var(--c-void);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 2px;
}

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

/* ---------- 5. 滚动进度 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-lime) 0%, var(--c-lime) 55%, var(--c-amber) 100%);
  z-index: 200;
  pointer-events: none;
}

/* ---------- 6. 顶部状态细条 ---------- */
.topline {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px 0 68px;
  background: var(--c-void);
  border-bottom: 1px solid var(--c-line);
  z-index: 100;
}

.topline__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-mute);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topline__pulse {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--c-lime);
  animation: ok-pulse 2.4s var(--ease) infinite;
}

.topline__mob { display: inline; }
.topline__desk { display: none; }

@keyframes ok-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .25; }
}

/* ---------- 7. 移动导航按钮 ---------- */
.nav-toggle {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--bar-h);
  height: var(--bar-h);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-void);
  color: var(--c-paper);
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  z-index: 130;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.nav-toggle:hover { color: var(--c-lime); background: var(--c-panel); }

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.nav-toggle__bars > span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.nav-toggle[aria-expanded="true"] { color: var(--c-lime); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 8. 侧边轨道导航 ---------- */
.rail {
  position: fixed;
  top: var(--bar-h);
  left: 0;
  bottom: 0;
  width: min(84vw, 320px);
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: calc(var(--bar-h) + 18px) 20px 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background:
    radial-gradient(120% 55% at 0% 0%, rgba(201, 255, 63, .07), transparent 62%),
    var(--c-void);
  border-right: 1px solid var(--c-line);
  transform: translateX(-100%);
  transition: transform .32s var(--ease);
  z-index: 120;
  scrollbar-width: thin;
  scrollbar-color: var(--c-line) transparent;
}

.rail[data-open="true"] { transform: translateX(0); }

.rail-scrim {
  position: fixed;
  inset: 0;
  background: rgba(3, 12, 9, .74);
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s var(--ease);
  z-index: 110;
}

.rail-scrim[data-visible="true"] {
  opacity: 1;
  pointer-events: auto;
}

/* 品牌锁定 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand__mark {
  color: var(--c-lime);
  flex: 0 0 auto;
  line-height: 0;
}

.brand__text {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .035em;
  color: var(--c-paper);
  white-space: nowrap;
}

.brand__suffix {
  margin-left: .4em;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--c-lime);
  border: 1px solid var(--c-line);
  border-radius: 2px;
  padding: 1px 4px;
  vertical-align: 2px;
}

/* 栏目索引 */
.rail__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-line);
}

.rail__item { border-bottom: 1px solid var(--c-line); }

.rail__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 6px 12px 12px;
  color: var(--c-mute);
  font-size: 15px;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 2px;
  background: var(--c-lime);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .22s var(--ease);
}

.rail__link:hover,
.rail__link:focus-visible {
  color: var(--c-paper);
  background: rgba(23, 66, 58, .45);
}

.rail__link[aria-current="page"] {
  color: var(--c-lime);
  background: rgba(23, 66, 58, .3);
}

.rail__link[aria-current="page"]::before { transform: scaleY(1); }

.rail__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-line);
  transition: color .18s var(--ease);
}

.rail__link:hover .rail__num { color: var(--c-lime-deep); }
.rail__link[aria-current="page"] .rail__num { color: var(--c-lime-deep); }

.rail__label { line-height: 1.4; }

.rail__foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
}

/* ---------- 9. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: 2px;
  text-align: center;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.btn--block { width: 100%; }

.btn--lime {
  background: var(--c-lime);
  color: #06150F;
  border-color: var(--c-lime);
}

.btn--lime:hover { background: var(--c-lime-deep); border-color: var(--c-lime-deep); }

.btn--line {
  background: transparent;
  color: var(--c-paper);
  border-color: var(--c-line);
}

.btn--line:hover { color: var(--c-lime); border-color: var(--c-lime); }

/* ---------- 10. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  padding: clamp(40px, 5.4vw, 72px) var(--pad-x) 26px;
  border-top: 1px solid var(--c-line);
  background:
    radial-gradient(70% 55% at 100% 0%, rgba(255, 162, 43, .07), transparent 66%),
    var(--c-void);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 52px);
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-paper);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

.footer__title::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--c-lime);
}

.footer__list li + li { margin-top: 9px; }

.footer__list a,
.footer__list span {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mute);
  transition: color .18s var(--ease);
}

.footer__list a:hover { color: var(--c-lime); }

.footer__feedback { color: var(--c-amber) !important; }
.footer__feedback:hover { color: var(--c-lime) !important; }

.footer__mono {
  font-family: var(--f-mono);
  font-size: 12.5px !important;
  letter-spacing: .02em;
  color: var(--c-mute);
}

.brand--footer { margin-bottom: 12px; }
.brand--footer .brand__text { font-size: 17px; }

.footer__tagline {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mute);
  max-width: 26ch;
}

.footer__icp {
  margin-top: 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-line);
}

.footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 28px;
  max-width: var(--max-w);
  margin: clamp(30px, 4vw, 50px) auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
}

.footer__base p {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-mute);
}

/* ---------- 11. 布局工具 ---------- */
#main-content {
  display: block;
  min-height: 60vh;
  scroll-margin-top: 70px;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.container--flush { padding-inline: 0; }

.section {
  padding-block: clamp(44px, 6vw, 88px);
  border-bottom: 1px solid var(--c-line);
}

.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 32px);
}

.grid--12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-2, .span-4, .span-5, .span-7, .span-8, .span-12 { grid-column: span 2; }

/* ---------- 12. 标签与数据模块 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-mute);
  border: 1px solid var(--c-line);
  border-radius: 2px;
  padding: 3px 8px;
}

.tag--amber { color: var(--c-amber); border-color: rgba(255, 162, 43, .45); }

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--c-line);
}

.stat__value {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.4vw, 32px);
  line-height: 1.1;
  color: var(--c-lime);
}

.stat__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-mute);
  text-transform: uppercase;
}

/* ---------- 13. 面包屑 ---------- */
.breadcrumb {
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.breadcrumb > ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-mute);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--c-line);
}

.breadcrumb a:hover { color: var(--c-lime); }

/* ---------- 14. 响应式图片容器 ---------- */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(to right, rgba(23, 66, 58, .5) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(to bottom, rgba(23, 66, 58, .5) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: 2px;
}

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

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

.media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 8px 12px;
  background: rgba(3, 12, 9, .82);
  border-top: 1px solid var(--c-line);
  border-right: 1px solid var(--c-line);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-mute);
}

/* ---------- 15. 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
  transition-delay: var(--d, 0ms);
}

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

/* ---------- 16. 平板 ---------- */
@media (min-width: 640px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .span-2 { grid-column: span 2; }
  .span-4 { grid-column: span 4; }
  .span-5 { grid-column: span 5; }
  .span-7 { grid-column: span 6; }
  .span-8 { grid-column: span 6; }
  .span-12 { grid-column: span 6; }

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

/* ---------- 17. 桌面：分屏骨架与侧轨 ---------- */
@media (min-width: 1080px) {
  body {
    padding-top: 0;
    padding-left: var(--rail-w);
  }

  .topline {
    right: auto;
    width: var(--rail-w);
    height: var(--bar-h-desk);
    padding: 0 20px;
    border-right: 1px solid var(--c-line);
  }

  .topline__mob { display: none; }
  .topline__desk { display: inline; }

  .nav-toggle { display: none; }

  .rail-scrim { display: none; }

  .rail {
    top: var(--bar-h-desk);
    width: var(--rail-w);
    padding: 26px 20px 24px;
    transform: none;
    z-index: 40;
  }

  .grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .span-2 { grid-column: span 2; }
  .span-4 { grid-column: span 4; }
  .span-5 { grid-column: span 5; }
  .span-7 { grid-column: span 7; }
  .span-8 { grid-column: span 8; }
  .span-12 { grid-column: span 12; }

  .footer__grid { grid-template-columns: 1.35fr 1.25fr .85fr 1.3fr; }
}

@media (min-width: 1400px) {
  .rail { padding-inline: 26px; }
}

/* ---------- 18. 抽屉打开时的滚动锁定（仅移动端） ---------- */
@media (max-width: 1079px) {
  html.nav-open,
  html.nav-open body {
    overflow: hidden;
  }
}

/* ---------- 19. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

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

  .topline__pulse { animation: none; opacity: 1; }
}