/* ============================================================
   /assets/site.css — 中欧体育官网 共享外壳样式
   高原夜空深蓝底 + 酥油灯暖橙单点高亮 + 经幡低饱和点缀
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --night:#0B1B33;
  --night-1:#12294A;
  --night-2:#1C3A63;
  --mid-blue:#2F5B8C;
  --amber:#F2A03D;
  --amber-soft:#FFD8A8;
  --snow:#EAF0F8;
  --muted:#9DB0C9;
  --green:#4E8C7A;
  --red:#C2564B;
  --ink:#152238;

  --shell:1180px;
  --gutter:clamp(1.15rem,4vw,2.5rem);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:28px;
  --pill:999px;
  --shadow:0 20px 44px -28px rgba(0,0,0,.9);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-narrow:"Archivo Narrow","Roboto Condensed","Oswald","Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono","DejaVu Sans Mono",Menlo,Consolas,"Noto Sans Mono CJK SC",monospace;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
table{border-collapse:collapse;width:100%}
:where(a,button,[tabindex]):focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:8px}

/* ---------- 3. 中文排版与底色 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:clamp(15px,.5vw + 14px,17px);
  line-height:1.8;
  color:var(--snow);
  background-color:var(--night);
  background-image:
    radial-gradient(1100px 620px at 6% -14%, rgba(47,91,140,.40), transparent 68%),
    radial-gradient(900px 520px at 104% 2%, rgba(242,160,61,.12), transparent 62%),
    linear-gradient(180deg,#0B1B33 0%,#0a1729 58%,#0B1B33 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-narrow);font-weight:800;line-height:1.16;letter-spacing:.01em}
h1{font-size:clamp(2rem,5.2vw,3.5rem);font-weight:900;letter-spacing:0}
h2{font-size:clamp(1.4rem,2.6vw,2.1rem)}
h3{font-size:clamp(1.08rem,1.6vw,1.35rem);font-weight:700}
p{max-width:68ch}
strong,b{font-weight:700;color:var(--snow)}
small{font-size:.8rem;color:var(--muted)}
code,kbd,samp{font-family:var(--font-mono);font-size:.88em}
::selection{background:var(--amber);color:var(--ink)}
#main-content{display:block}
#main-content:focus{outline:none}

/* ---------- 4. 布局骨架 ---------- */
.shell{width:min(100% - (var(--gutter) * 2),var(--shell));margin-inline:auto}
.section{padding-block:clamp(2.4rem,6vw,4.8rem)}
.stack > * + *{margin-top:1.6rem}
.grid{display:grid;gap:clamp(1rem,2.4vw,1.75rem)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.grid--wide{grid-template-columns:minmax(0,2.1fr) minmax(0,1fr)}
@media (max-width:960px){.grid--wide{grid-template-columns:minmax(0,1fr)}}

/* ---------- 5. 页头 ---------- */
.skip-link{
  position:absolute;left:50%;top:-3.4rem;transform:translateX(-50%);z-index:120;
  padding:.55rem 1.1rem;border-radius:0 0 var(--r-sm) var(--r-sm);
  background:var(--amber);color:var(--ink);font-weight:700;text-decoration:none;
  transition:top .2s ease;
}
.skip-link:focus{top:0}

.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,27,51,.9);
  border-bottom:1px solid var(--night-2);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--mid-blue),var(--amber));
  transition:transform .12s linear;
}

.header-band__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding-block:.68rem;
}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--snow);min-width:0}
.brand__mark{
  flex:none;width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--amber),#c9762a);
  color:var(--ink);font-weight:800;font-size:.8rem;letter-spacing:.06em;
  font-family:var(--font-narrow);
}
.brand__text{display:block;min-width:0}
.brand__name{display:block;font-family:var(--font-narrow);font-weight:800;font-size:1.06rem;letter-spacing:.03em;line-height:1.3}
.brand__tagline{display:block;font-size:.7rem;letter-spacing:.2em;color:var(--muted);line-height:1.4}

.header-tools{display:flex;align-items:center;gap:.55rem;flex:none}

/* 赛事日历切换 */
.matchday{position:relative;display:flex;align-items:center;gap:.45rem}
.matchday__label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--muted)}
.matchday__toggle{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.38rem .8rem;border-radius:var(--pill);
  background:rgba(18,41,74,.85);border:1px solid var(--night-2);
  color:var(--snow);font-size:.8rem;font-family:var(--font-mono);
  letter-spacing:.05em;cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease;
}
.matchday__toggle:hover{border-color:var(--mid-blue);background:rgba(47,91,140,.28)}
.matchday__caret{font-size:.62rem;color:var(--amber)}
.matchday__menu{
  position:absolute;right:0;top:calc(100% + .5rem);z-index:90;
  min-width:11.5rem;padding:.35rem;
  display:none;flex-direction:column;gap:.15rem;
  background:var(--night-1);border:1px solid var(--night-2);
  border-radius:var(--r-md);box-shadow:var(--shadow);
}
.matchday[data-open] .matchday__menu{display:flex}
.matchday__opt{
  display:block;width:100%;text-align:left;
  padding:.5rem .7rem;border:0;border-radius:var(--r-sm);
  background:transparent;color:var(--snow);
  font-size:.82rem;letter-spacing:.04em;cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.matchday__opt:hover{background:rgba(47,91,140,.32)}
.matchday__opt[aria-pressed="true"]{background:var(--amber);color:var(--ink);font-weight:700}

/* 常驻比分胶囊 */
.score-pill{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.36rem .82rem;border-radius:var(--pill);
  background:var(--night-1);border:1px solid var(--night-2);
  color:var(--snow);text-decoration:none;
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.04em;
  white-space:nowrap;transition:border-color .2s ease,background-color .2s ease;
}
.score-pill:hover{border-color:var(--amber);background:rgba(242,160,61,.12)}
.score-pill__dot{
  flex:none;width:8px;height:8px;border-radius:50%;background:var(--amber);
  animation:pulse 2.4s ease-out infinite;
}
.score-pill__team{color:var(--muted);font-family:var(--font-sans);font-size:.78rem}
.score-pill__num{font-weight:700;color:var(--amber-soft)}
.score-pill__sep{color:var(--muted);opacity:.7}
.score-pill__min{color:var(--amber);font-size:.74rem}

/* 移动导航按钮 */
.navtoggle{
  display:none;align-items:center;gap:.5rem;
  padding:.44rem .78rem;border-radius:var(--pill);
  background:rgba(18,41,74,.8);border:1px solid var(--night-2);
  color:var(--snow);cursor:pointer;
  transition:border-color .2s ease;
}
.navtoggle:hover{border-color:var(--mid-blue)}
.navtoggle__bars{display:grid;gap:3px;width:16px}
.navtoggle__bars span{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .2s ease,opacity .2s ease}
.navtoggle__text{font-size:.76rem;letter-spacing:.16em;color:var(--muted)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(2){opacity:0}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 下层目录 */
.mainnav{
  border-top:1px solid rgba(28,58,99,.8);
  background:linear-gradient(90deg,rgba(18,41,74,.6),rgba(11,27,51,.35));
}
.mainnav__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.5rem}
.mainnav__list{display:flex;align-items:center;gap:.25rem;flex-wrap:wrap}
.mainnav__link{
  display:inline-block;padding:.44rem .85rem;border-radius:var(--pill);
  border:1px solid transparent;color:var(--muted);text-decoration:none;
  font-size:.9rem;letter-spacing:.06em;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.mainnav__link:hover{color:var(--snow);background:rgba(47,91,140,.32);border-color:rgba(47,91,140,.5)}
.mainnav__link[aria-current="page"]{color:var(--ink);background:var(--amber);border-color:var(--amber);font-weight:700}
.mainnav__cta{flex:none}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(3rem,7vw,6rem);
  border-top:1px solid var(--night-2);
  background:linear-gradient(180deg,rgba(18,41,74,.72) 0%,rgba(11,27,51,.98) 62%,#0a1729 100%);
}
.footer-threads{
  display:flex;gap:6px;
  width:min(100% - (var(--gutter) * 2),var(--shell));
  margin-inline:auto;padding-top:1.1rem;
}
.footer-threads span{flex:1;height:3px;border-radius:3px;opacity:.5}
.footer-threads span:nth-child(1){background:var(--mid-blue)}
.footer-threads span:nth-child(2){background:var(--snow);opacity:.24}
.footer-threads span:nth-child(3){background:var(--red)}
.footer-threads span:nth-child(4){background:var(--green)}
.footer-threads span:nth-child(5){background:var(--amber)}

.footer-top{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr));
  gap:clamp(1.4rem,4vw,3rem);
  padding-block:clamp(1.7rem,5vw,3rem);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:.9rem}
.footer-brand__link{
  font-family:var(--font-narrow);font-weight:900;font-size:1.35rem;
  letter-spacing:.02em;color:var(--snow);text-decoration:none;
}
.footer-brand__link:hover{color:var(--amber-soft)}
.footer-brand__statement{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:36ch}
.footer-brand__cta{margin-top:.15rem}

.footer-col__title{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.24em;color:var(--amber);margin-bottom:.9rem;
}
.footer-col__list{display:grid;gap:.55rem}
.footer-link{
  display:inline-block;color:var(--snow);opacity:.86;text-decoration:none;
  font-size:.9rem;border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease,opacity .2s ease;
}
.footer-link:hover{color:var(--amber-soft);opacity:1;border-color:var(--mid-blue)}
.footer-link--quiet{font-size:.78rem;opacity:.72;font-family:var(--font-mono);letter-spacing:.06em}

.footer-bar{display:grid;gap:.75rem;padding-block:1.15rem 1.4rem;border-top:1px solid rgba(28,58,99,.8)}
.footer-contact{
  display:flex;flex-wrap:wrap;gap:.3rem 1.4rem;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.03em;color:var(--muted);
  max-width:none;
}
.footer-note{color:var(--muted);font-size:.76rem;line-height:1.75;max-width:82ch}
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem 1.4rem;
  margin-top:.3rem;padding-top:1rem;
  border-top:1px dashed rgba(28,58,99,.95);
}
.footer-legal__copy{font-size:.76rem;color:var(--muted);font-family:var(--font-mono);letter-spacing:.04em}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:1.1rem}

/* 返回顶部 */
.totop{
  position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:75;
  width:44px;height:44px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--night-2);
  background:rgba(18,41,74,.94);color:var(--snow);
  font-size:1rem;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,border-color .2s ease,color .2s ease;
}
.totop[data-visible]{opacity:1;visibility:visible;transform:none}
.totop:hover{border-color:var(--amber);color:var(--amber)}

/* ---------- 7. 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.58rem 1.15rem;border-radius:var(--pill);border:1px solid transparent;
  font-size:.88rem;font-weight:600;letter-spacing:.06em;text-decoration:none;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn--primary{background:var(--amber);color:var(--ink)}
.btn--primary:hover{background:var(--amber-soft);transform:translateY(-1px)}
.btn--ghost{background:rgba(18,41,74,.72);border-color:var(--night-2);color:var(--snow)}
.btn--ghost:hover{border-color:var(--mid-blue);background:rgba(47,91,140,.3)}
.btn--quiet{background:transparent;border-color:rgba(157,176,201,.35);color:var(--snow)}
.btn--quiet:hover{border-color:var(--amber);color:var(--amber-soft)}

.kicker{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.26em;
  color:var(--amber);
}
.kicker::after{content:"";width:2.6rem;height:1px;background:var(--night-2)}

.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.18rem .6rem;border-radius:var(--pill);
  font-size:.72rem;font-weight:500;letter-spacing:.12em;
  border:1px solid currentColor;color:var(--muted);
  background:rgba(157,176,201,.08);
  white-space:nowrap;
}
.tag--amber{color:var(--amber);background:rgba(242,160,61,.12)}
.tag--green{color:var(--green);background:rgba(78,140,122,.14)}
.tag--red{color:var(--red);background:rgba(194,86,75,.14)}
.tag--blue{color:var(--muted);background:rgba(47,91,140,.24)}

.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:.8rem 1.4rem;padding-bottom:1.05rem;margin-bottom:clamp(1.2rem,3vw,2rem);
  border-bottom:1px solid var(--night-2);
}
.section-head__title{font-size:clamp(1.35rem,2.6vw,2rem)}
.section-head__note{color:var(--muted);font-size:.85rem;line-height:1.7;max-width:46ch}

.card{
  position:relative;
  padding:clamp(1.05rem,2.4vw,1.6rem);
  border-radius:var(--r-lg);border:1px solid var(--night-2);
  background:linear-gradient(160deg,rgba(18,41,74,.95),rgba(11,27,51,.9));
  box-shadow:var(--shadow);
  transition:border-color .25s ease,transform .25s ease;
}
.card:hover{border-color:var(--mid-blue)}
.card--flat{background:rgba(18,41,74,.58);box-shadow:none}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.85rem;flex-wrap:wrap}
.card__title{font-size:1.1rem;font-weight:700;font-family:var(--font-narrow)}
.card__meta{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);letter-spacing:.1em}
.card__body{color:var(--snow);opacity:.9;font-size:.92rem}
.card__body > * + *{margin-top:.9em}

.prose{max-width:68ch;color:rgba(234,240,248,.9)}
.prose > * + *{margin-top:1.1em}
.prose h2{margin-top:2em;color:var(--snow)}
.prose h3{margin-top:1.6em;color:var(--snow)}
.prose ul li{position:relative;padding-left:1.2rem}
.prose ul li + li{margin-top:.5em}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.75em;
  width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.prose a{color:var(--amber-soft);text-decoration:underline;text-underline-offset:3px}

.crumbs{padding-block:1.05rem}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;color:var(--muted)}
.crumbs__item{display:inline-flex;align-items:center;gap:.5rem}
.crumbs__link{color:var(--muted);text-decoration:none;transition:color .2s ease}
.crumbs__link:hover{color:var(--amber-soft)}
.crumbs__item[aria-current="page"] .crumbs__link{color:var(--snow)}
.crumbs__sep{opacity:.45}

/* 图片容器（页面阶段放置 img 或占位） */
.media{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--night-2);
  background:linear-gradient(140deg,#12294A,#0B1B33);
  aspect-ratio:16 / 9;
}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:4 / 5}
.media--square{aspect-ratio:1 / 1}
.media img{width:100%;height:100%;object-fit:cover}
.media__overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,27,51,.92) 0%,rgba(11,27,51,.45) 52%,rgba(11,27,51,0) 100%);
}
.media__scale{
  position:absolute;left:1rem;top:1rem;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--amber);
}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:1.4rem 1.15rem .9rem;
  background:linear-gradient(0deg,rgba(11,27,51,.95),rgba(11,27,51,0));
  color:var(--snow);font-size:.8rem;line-height:1.6;
}

/* 可展开内容组 */
.fold{
  border:1px solid var(--night-2);border-radius:var(--r-md);
  background:rgba(18,41,74,.55);overflow:hidden;
}
.fold + .fold{margin-top:.6rem}
.fold__trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:1rem;
  padding:.9rem 1.05rem;border:0;background:transparent;
  color:var(--snow);font-size:.98rem;font-weight:600;text-align:left;cursor:pointer;
  transition:background-color .2s ease;
}
.fold__trigger:hover{background:rgba(47,91,140,.22)}
.fold__sign{font-family:var(--font-mono);color:var(--amber);transition:transform .25s ease}
.fold[data-open] .fold__sign{transform:rotate(45deg)}
.fold__panel{
  padding:.9rem 1.05rem 1.1rem;
  border-top:1px solid rgba(28,58,99,.85);
  color:rgba(234,240,248,.88);font-size:.9rem;
  animation:foldIn .28s ease both;
}

/* 滚动显现 / 屏幕阅读器 */
.has-js .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.has-js .reveal.is-visible{opacity:1;transform:none}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- 8. 动效 ---------- */
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(242,160,61,.55)}
  70%{box-shadow:0 0 0 10px rgba(242,160,61,0)}
  100%{box-shadow:0 0 0 0 rgba(242,160,61,0)}
}
@keyframes navDrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@keyframes foldIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 9. 响应式 ---------- */
@media (max-width:960px){
  .mainnav{display:none}
  .site-header[data-open] .mainnav{display:block;animation:navDrop .25s ease both}
  .mainnav__inner{flex-direction:column;align-items:stretch;gap:.4rem;padding-block:.9rem}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:.15rem}
  .mainnav__link{display:block;padding:.72rem .9rem;border-radius:var(--r-sm);font-size:.98rem;background:rgba(18,41,74,.72)}
  .mainnav__link:hover{background:rgba(47,91,140,.34)}
  .mainnav__cta{width:100%;margin-top:.5rem}
  .navtoggle{display:inline-flex}
}
@media (max-width:860px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:760px){
  .matchday{display:none}
  .score-pill__team{display:none}
  .score-pill{gap:.32rem;padding:.34rem .7rem}
}
@media (max-width:620px){
  .brand__tagline{display:none}
}
@media (max-width:520px){
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-legal{justify-content:flex-start}
}
@media (max-width:480px){
  .brand__mark{width:34px;height:34px;border-radius:11px;font-size:.72rem}
  .brand__name{font-size:.95rem}
  .navtoggle{padding:.5rem}
  .navtoggle__text{display:none}
}

/* ---------- 10. 尊重减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .score-pill__dot{animation:none;box-shadow:none}
  .has-js .reveal{opacity:1;transform:none}
}