/* ==========================================================================
   中欧体育主站 · 轮次档案
   /assets/site.css — 共享外壳：reset / 变量 / 中文排版 / 页头 / 页脚 /
   通用按钮 / 面包屑 / 正文容器 / 蓝图网格 / 基础组件 / 响应式
   ========================================================================== */

:root{
  /* 色彩：深蓝同色阶为主，联赛色与状态色受限使用 */
  --c-void:#060B1A;
  --c-deep:#0C1428;
  --c-line:#1B2A4A;
  --c-panel:#14203A;
  --c-ink:#E9EEF8;
  --c-ink-2:#93A2BE;
  --c-epl:#7C6BF2;
  --c-laliga:#D97A2B;
  --c-bund:#E13B3B;
  --c-seriea:#2F6BE0;
  --c-green:#1E9E6A;
  --c-yellow:#F2C230;
  --c-white:#F5F7FB;

  /* 字体三层：窄体超大标题 / 等宽数字 / 高可读正文 */
  --font-display:"Archivo Narrow","Oswald","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  --font-body:"Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  /* 结构常量 */
  --strip-h:48px;
  --bar-h:60px;
  --header-h:calc(var(--strip-h) + var(--bar-h));
  --shell-max:1440px;
  --shell-pad:40px;
  --rail-w:88px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:240ms;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,figcaption,blockquote,dl,dd,pre{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
img,svg,video,canvas{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}
time{font-variant-numeric:tabular-nums}

/* ---------- 中文排版基座 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--c-ink);
  background-color:var(--c-void);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
::selection{background:var(--c-yellow);color:var(--c-void)}

:focus-visible{outline:2px solid var(--c-yellow);outline-offset:2px;border-radius:4px}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
html{scroll-padding-top:calc(var(--header-h) + 12px)}

#main-content{padding-top:var(--header-h)}

/* ---------- 文字工具类 ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.meta{font-size:12px;letter-spacing:.08em;color:var(--c-ink-2)}
.idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--c-ink-2);font-variant-numeric:tabular-nums}
.display{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(40px,8vw,128px);
  line-height:.92;
  letter-spacing:-.02em;
  color:var(--c-ink);
}
.hairline{height:1px;width:100%;background:var(--c-line);border:0}

/* ---------- 布局骨架 ---------- */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin:0 auto;
  padding-left:var(--shell-pad);
  padding-right:var(--shell-pad);
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-12{grid-column:span 12}
.rail-layout{
  display:grid;
  grid-template-columns:var(--rail-w) minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.blueprint-grid{
  background-image:
    linear-gradient(rgba(27,42,74,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(27,42,74,.55) 1px,transparent 1px);
  background-size:80px 80px;
  background-position:0 0;
}
.blob{
  position:absolute;
  border-radius:62% 38% 55% 45% / 45% 58% 42% 55%;
  filter:blur(42px);
  opacity:.26;
  pointer-events:none;
  z-index:0;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-64px;
  z-index:200;
  padding:10px 18px;
  border-radius:8px;
  background:var(--c-yellow);
  color:var(--c-void);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  transition:top 180ms var(--ease);
}
.skip-link:focus{top:10px}

/* ---------- 页头 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(6,11,26,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}

/* 顶部固定条：轮次 / 联赛 / 更新时间戳 */
.top-strip{
  position:relative;
  height:var(--strip-h);
  background:var(--c-deep);
  border-bottom:1px solid var(--c-line);
}
.top-strip__inner{
  height:100%;
  max-width:var(--shell-max);
  margin:0 auto;
  padding:0 var(--shell-pad);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.top-strip__meta{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-ink-2);
  white-space:nowrap;
  overflow:hidden;
}
.top-strip__label{color:var(--c-ink-2)}
.top-strip__value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-ink);
}
.top-strip__value--time{color:var(--c-yellow)}
.top-strip__sep{color:var(--c-line);font-family:var(--font-mono)}

.scroll-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:transparent;
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:var(--c-yellow);
  transition:width 90ms linear;
}

/* 命令栏 */
.command-bar{
  height:var(--bar-h);
  background:linear-gradient(180deg,rgba(12,20,40,.96),rgba(6,11,26,.96));
  border-bottom:1px solid var(--c-line);
}
.command-bar__inner{
  height:100%;
  max-width:var(--shell-max);
  margin:0 auto;
  padding:0 var(--shell-pad);
  display:flex;
  align-items:center;
  gap:18px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  padding:6px 0;
  border-radius:10px;
}
.brand__mark{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-panel);
  color:var(--c-yellow);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--c-ink)}
.brand__sub{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--c-ink-2);
}

/* 主导航 */
.nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.nav__list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 10px;
  border-radius:8px;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:color 180ms var(--ease),background-color 180ms var(--ease);
}
.nav__link:hover{color:var(--c-ink);background:rgba(27,42,74,.55)}
.nav__idx{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:10px;
  letter-spacing:.08em;
  color:rgba(147,162,190,.55);
  transition:color 180ms var(--ease);
}
.nav__link:hover .nav__idx{color:var(--c-ink-2)}
.nav__label{line-height:1}
.nav__link[aria-current="page"]{color:var(--c-ink);background:rgba(20,32,58,.75)}
.nav__link[aria-current="page"] .nav__idx{color:var(--c-yellow)}
.nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:-1px;
  height:2px;
  border-radius:1px;
  background:var(--c-yellow);
}

/* 状态点 */
.status-dot{
  display:inline-block;
  flex:0 0 auto;
  width:6px;
  height:6px;
  border-radius:50%;
  background:rgba(147,162,190,.5);
}
.status-dot[data-status="live"]{background:var(--c-green)}
.status-dot[data-status="hold"]{background:var(--c-yellow)}
.status-dot[data-status="draft"]{background:rgba(147,162,190,.5)}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:8px 13px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-panel);
  color:var(--c-ink-2);
  font-size:12px;
  letter-spacing:.1em;
  transition:color 180ms var(--ease),border-color 180ms var(--ease);
}
.nav-toggle:hover{color:var(--c-ink);border-color:rgba(147,162,190,.45)}
.nav-toggle__bars{display:grid;gap:3px;width:14px}
.nav-toggle__bars span{
  display:block;
  height:1.5px;
  border-radius:2px;
  background:currentColor;
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

.command-bar__cta{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:96px;
  background:var(--c-deep);
  border-top:1px solid var(--c-line);
}
.kt-stripe{display:flex;width:100%;height:4px}
.kt-stripe__seg{flex:1 1 0}
.kt-stripe__seg:nth-child(1){background:var(--c-seriea)}
.kt-stripe__seg:nth-child(2){background:var(--c-white)}
.kt-stripe__seg:nth-child(3){background:var(--c-bund)}
.kt-stripe__seg:nth-child(4){background:var(--c-green)}
.kt-stripe__seg:nth-child(5){background:var(--c-yellow)}

.site-footer__inner{
  max-width:var(--shell-max);
  margin:0 auto;
  padding:56px var(--shell-pad) 36px;
}
.site-footer__brand{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:16px;
  padding-bottom:26px;
  border-bottom:1px solid var(--c-line);
}
.site-footer__mark{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(20px,3vw,30px);
  line-height:1.1;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.site-footer__tag{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--c-ink-2);
}

.site-footer__grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  padding:32px 0;
  border-bottom:1px solid var(--c-line);
}
.foot-col{padding:0 24px;border-left:1px solid var(--c-line)}
.foot-col:first-child{border-left:0;padding-left:0}
.foot-col:last-child{padding-right:0}
.foot-col__title{
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--c-ink-2);
  margin-bottom:14px;
}
.foot-col__list{display:grid;gap:10px}
.foot-link{
  font-size:14px;
  line-height:1.5;
  color:var(--c-ink);
  opacity:.86;
  border-bottom:1px solid transparent;
  transition:opacity 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.foot-link:hover{opacity:1;color:var(--c-yellow);border-bottom-color:var(--c-yellow)}
.foot-col__list--plain li{
  font-size:13px;
  line-height:1.65;
  color:var(--c-ink-2);
}
.foot-col__list--plain .mono{font-size:12.5px;letter-spacing:.02em;color:var(--c-ink-2)}

.site-footer__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 28px;
  padding-top:24px;
}
.foot-contact{margin:0;font-size:13px;line-height:1.7;color:var(--c-ink-2);max-width:62ch}
.foot-legal{
  margin:0;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-ink-2);
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 18px;
  border:1px solid var(--c-line);
  border-radius:999px;
  background:var(--c-panel);
  color:var(--c-ink);
  font-size:13px;
  letter-spacing:.04em;
  line-height:1.2;
  text-align:center;
  transition:background-color 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
}
.btn:hover{background:rgba(27,42,74,.85);border-color:rgba(147,162,190,.4)}
.btn--primary{
  background:var(--c-yellow);
  border-color:var(--c-yellow);
  color:var(--c-void);
  font-weight:600;
}
.btn--primary:hover{background:#FFD24A;border-color:#FFD24A}
.btn--ghost{background:transparent;color:var(--c-ink-2)}
.btn--ghost:hover{color:var(--c-ink);background:rgba(27,42,74,.5)}
.btn--sm{padding:7px 14px;font-size:12px}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:0 0 28px}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-ink-2);
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:var(--c-line)}
.breadcrumb a{color:var(--c-ink-2);border-bottom:1px solid transparent;transition:color 180ms var(--ease),border-color 180ms var(--ease)}
.breadcrumb a:hover{color:var(--c-ink);border-bottom-color:var(--c-yellow)}
.breadcrumb [aria-current="page"]{color:var(--c-ink)}

/* ---------- 正文容器 ---------- */
.prose{max-width:34em}
.prose p{font-size:16.5px;line-height:1.75;color:var(--c-ink)}
.prose p + p{margin-top:1.05em}
.prose h2{
  font-family:var(--font-display);
  font-size:clamp(22px,2.6vw,32px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  margin:1.9em 0 .7em;
  color:var(--c-ink);
}
.prose h3{
  font-size:17px;
  font-weight:600;
  letter-spacing:.02em;
  margin:1.6em 0 .5em;
  color:var(--c-ink);
}
.prose ul,.prose ol{display:grid;gap:8px;margin:1em 0;padding-left:1.1em}
.prose ul li{list-style:none;position:relative}
.prose ul li::before{
  content:"";
  position:absolute;
  left:-1.1em;top:.72em;
  width:6px;height:1px;
  background:var(--c-yellow);
}
.prose ol{list-style:decimal}
.prose a{color:var(--c-yellow);border-bottom:1px solid rgba(242,194,48,.4)}
.prose a:hover{border-bottom-color:var(--c-yellow)}
.prose blockquote{
  margin:1.4em 0;
  padding:14px 18px;
  background:var(--c-panel);
  border-left:2px solid var(--c-seriea);
  border-radius:0 12px 12px 0;
  color:var(--c-ink-2);
  font-size:15px;
}
.prose figcaption{font-size:12px;letter-spacing:.06em;color:var(--c-ink-2);margin-top:8px}

/* ---------- 图片容器 ---------- */
.frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--c-line);
  border-radius:14px;
  background:var(--c-panel);
}
.frame img,.frame video{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.82) contrast(1.06) brightness(.92) hue-rotate(-6deg);
}
.frame--21x9{aspect-ratio:21 / 9}
.frame--16x9{aspect-ratio:16 / 9}
.frame--4x3{aspect-ratio:4 / 3}
.frame--1x1{aspect-ratio:1 / 1}
.frame--tall{aspect-ratio:3 / 4}
.frame__glow::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 80% at 72% 8%,rgba(233,238,248,.22),transparent 62%);
  mix-blend-mode:screen;
  pointer-events:none;
}
.frame__caption{
  display:block;
  margin-top:8px;
  font-size:12px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--c-ink-2);
}

/* ---------- 标签与联赛色 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--c-line);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--c-ink-2);
  background:transparent;
}
.tag[data-league="epl"]{border-color:var(--c-epl);color:var(--c-epl)}
.tag[data-league="laliga"]{border-color:var(--c-laliga);color:var(--c-laliga)}
.tag[data-league="bundesliga"]{border-color:var(--c-bund);color:var(--c-bund)}
.tag[data-league="seriea"]{border-color:var(--c-seriea);color:var(--c-seriea)}

/* ---------- 轮次刻度轴 ---------- */
.round-rail{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  display:grid;
  gap:2px;
  align-content:start;
}
.round-tick{
  display:flex;
  align-items:center;
  gap:8px;
  padding:6px 8px;
  border-left:2px solid transparent;
  border-radius:0 6px 6px 0;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(147,162,190,.7);
  transition:color 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.round-tick[data-active="true"]{
  color:var(--c-ink);
  border-left-color:var(--c-yellow);
  background:rgba(20,32,58,.85);
}

/* ---------- 滚动显现 ---------- */
[data-reveal]{
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
.js-on [data-reveal]:not(.is-visible){
  opacity:0;
  transform:translateY(12px);
}
.js-on [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav__label{font-size:12.5px}
  .command-bar__inner{gap:12px}
}

@media (max-width:1080px){
  :root{--bar-h:58px}

  /* 移动导航面板 */
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;
    top:var(--header-h);
    left:0;right:0;
    max-height:calc(100vh - var(--header-h));
    margin:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:6px var(--shell-pad) 26px;
    background:var(--c-deep);
    border-bottom:1px solid var(--c-line);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .site-header[data-open] .nav{display:flex}
  .nav__list{flex-direction:column;align-items:stretch;gap:0;flex-wrap:nowrap}
  .nav__link{
    justify-content:flex-start;
    gap:12px;
    padding:15px 4px;
    border-radius:0;
    border-bottom:1px solid var(--c-line);
    font-size:14px;
  }
  .nav__link[aria-current="page"]{background:transparent}
  .nav__link[aria-current="page"]::after{
    left:4px;right:auto;
    width:64px;
    bottom:-1px;
  }
  .nav__idx{font-size:11px}
  .nav__link .status-dot{margin-left:auto}
  .command-bar__cta{margin-left:0}
  .site-footer{margin-top:72px}
}

@media (max-width:1024px){
  .col-3,.col-4,.col-5{grid-column:span 6}
  .col-7,.col-8,.col-9{grid-column:span 12}
  .rail-layout{grid-template-columns:64px minmax(0,1fr);gap:20px}
  .round-rail{top:calc(var(--header-h) + 16px)}
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0}
  .foot-col{padding:0 20px}
  .foot-col:nth-child(odd){border-left:0;padding-left:0}
  .foot-col:nth-child(even){padding-right:0}
}

@media (max-width:768px){
  :root{--strip-h:44px;--bar-h:56px;--shell-pad:20px}
  body{font-size:15.5px}
  .top-strip__label{display:none}
  .top-strip__sep{display:none}
  .brand__sub{display:none}
  .brand__mark{width:32px;height:32px;font-size:11px}
  .brand__name{font-size:14px}
  .grid-12{gap:16px}
  .col-3,.col-4,.col-5{grid-column:span 12}
  .rail-layout{grid-template-columns:minmax(0,1fr);gap:16px}
  .round-rail{
    position:relative;
    top:auto;
    grid-auto-flow:column;
    grid-auto-columns:min-content;
    gap:6px;
    overflow-x:auto;
    padding-bottom:8px;
  }
  .round-tick{border-left:0;border-bottom:2px solid transparent;white-space:nowrap}
  .round-tick[data-active="true"]{border-left:0;border-bottom-color:var(--c-yellow)}
  .site-footer__inner{padding:40px var(--shell-pad) 28px}
  .site-footer__grid{grid-template-columns:minmax(0,1fr);gap:26px 0;padding:26px 0}
  .foot-col{padding:0;border-left:0;border-top:1px solid var(--c-line);padding-top:20px}
  .foot-col:first-child{border-top:0;padding-top:0}
  .site-footer__meta{flex-direction:column;align-items:flex-start;gap:10px}
}

@media (max-width:520px){
  .command-bar__inner{gap:8px}
  .command-bar__cta{padding:7px 12px;font-size:11.5px}
  .nav-toggle{padding:7px 11px}
  .nav-toggle__text{display:none}
  .display{font-size:clamp(38px,13vw,64px)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js-on [data-reveal]:not(.is-visible){opacity:1;transform:none}
  .scroll-progress__bar{transition:none}
  .skip-link{transition:none}
}