/* ============================================================
   全站体育入口 · 共享样表 /assets/site.css
   夜间赛场指挥中心：墨绿底 + 荧光青信号 + 琥珀赛况 + 玫红集锦
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#08130F;
  --panel:#0F2A22;
  --raise:#14382D;
  --cyan:#2FF3D6;
  --teal:#1B8F7E;
  --amber:#F5B841;
  --magenta:#FF3F7F;
  --text:#E9F5F0;
  --muted:#8FAEA3;
  --line:#23453A;

  --font-serif:"Source Han Serif SC","Noto Serif SC",serif;
  --font-cond:"Barlow Condensed","Oswald","Noto Sans SC",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",monospace;
  --font-body:"Noto Sans SC","PingFang SC",system-ui,sans-serif;

  --gutter:clamp(18px,4vw,48px);
  --max:1240px;
  --cut:16px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-pad:12px;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg,picture,video{max-width:100%;display:block}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
a{color:inherit}

/* ---------- 3. 基础与中文排版 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text);
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 520px at 88% -8%,rgba(47,243,214,.11),transparent 68%),
    radial-gradient(720px 480px at 2% 6%,rgba(27,143,126,.16),transparent 70%),
    repeating-linear-gradient(0deg,transparent 0 47px,rgba(35,69,58,.34) 47px 48px),
    repeating-linear-gradient(90deg,transparent 0 47px,rgba(35,69,58,.26) 47px 48px);
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--cyan);color:#04120E}

h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:700;
  line-height:1.24;
  letter-spacing:-.01em;
  color:var(--text);
}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.6rem)}
h4{font-size:1.05rem;letter-spacing:.01em}
strong{color:#fff;font-weight:700}

a{text-decoration:none}
a:not([class]){color:var(--cyan);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px}
:focus:not(:focus-visible){outline:none}

main{display:block;padding-top:clamp(92px,11vw,116px)}
[id]{scroll-margin-top:clamp(96px,12vw,124px)}
#main-content:focus-visible{outline:2px solid var(--cyan);outline-offset:6px}

body.nav-open{overflow:hidden}

/* ---------- 4. 布局工具 ---------- */
.container{
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:820px}
.container--tight{max-width:640px}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-cond);
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.24em;
  color:var(--cyan);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);flex:0 0 auto}

.prose{
  max-width:68ch;
  font-size:clamp(16px,1.05vw,18px);
  line-height:1.9;
  color:var(--text);
}
.prose p{margin:0 0 1.2em}
.prose p:last-child{margin-bottom:0}
.prose h2,.prose h3{margin:1.6em 0 .6em}
.prose ul,.prose ol{list-style:disc;padding-left:1.35em;margin:0 0 1.2em}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.4em}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-cond);
  font-size:1.02rem;
  font-weight:600;
  letter-spacing:.1em;
  line-height:1.2;
  cursor:pointer;
  transition:transform .18s var(--ease),background-color .2s var(--ease),
             color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{
  background:var(--cyan);
  color:#04120E;
  font-weight:700;
  box-shadow:0 14px 30px -20px var(--cyan);
}
.btn--primary:hover{background:#6FFCE9;transform:translateY(-1px)}
.btn--ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-1px)}
.btn--sm{padding:9px 16px;font-size:.9rem;letter-spacing:.08em}

/* ---------- 6. 标签 / 胶囊 / 面板 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(20,56,45,.65);
  font-family:var(--font-cond);
  font-size:.82rem;
  letter-spacing:.12em;
  color:var(--text);
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--teal);color:#fff}
.chip.is-active,.chip[aria-pressed="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#04120E;
  font-weight:700;
}
.chip--amber{color:var(--amber);border-color:rgba(245,184,65,.42);background:rgba(245,184,65,.08)}
.chip--magenta{color:var(--magenta);border-color:rgba(255,63,127,.42);background:rgba(255,63,127,.09)}

.panel{
  position:relative;
  padding:clamp(18px,3vw,32px);
  background:var(--panel);
  border:1px solid var(--line);
}
.panel--raise{background:var(--raise)}
.panel--cut{
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.panel--glow{box-shadow:0 40px 70px -60px var(--cyan)}

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 22px;
  font-size:.78rem;
  letter-spacing:.08em;
  color:var(--muted);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:var(--teal);opacity:.8}
.breadcrumbs a{transition:color .2s var(--ease)}
.breadcrumbs a:hover,.breadcrumbs a:focus-visible{color:var(--cyan)}

/* ---------- 8. 媒体容器（页面阶段放 <img>） ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:3/2;
  background:linear-gradient(160deg,var(--raise),#061511 72%);
  border:1px solid var(--line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.media > img,
.media > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(.82) saturate(.95) contrast(1.07);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(180deg,rgba(8,19,15,0) 42%,rgba(8,19,15,.84) 100%),
    repeating-linear-gradient(0deg,rgba(8,19,15,.18) 0 1px,transparent 1px 3px);
  mix-blend-mode:multiply;
}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:2/3}
.media--square{aspect-ratio:1/1}
.media--empty{
  background-image:repeating-linear-gradient(135deg,rgba(27,143,126,.22) 0 2px,transparent 2px 12px);
}
.media__tag{position:absolute;left:12px;bottom:12px;z-index:2}

/* ---------- 9. 数据与索引 ---------- */
.stat{display:flex;flex-direction:column;gap:2px}
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(1.6rem,3vw,2.4rem);
  line-height:1.1;
  color:var(--cyan);
}
.stat__label{
  font-size:.74rem;
  letter-spacing:.18em;
  color:var(--muted);
}
.section-index{
  position:sticky;
  top:clamp(104px,12vw,128px);
  display:grid;
  gap:2px;
  align-content:start;
}
.section-index a{
  display:block;
  padding:6px 10px 6px 14px;
  border-left:1px solid var(--line);
  font-size:.78rem;
  letter-spacing:.1em;
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.section-index a:hover{color:var(--text);padding-left:18px}
.section-index a[aria-current="true"]{
  color:var(--cyan);
  border-left-color:var(--cyan);
  padding-left:18px;
}

/* ---------- 10. 头部 ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:300;
  padding:10px 18px;
  border-radius:999px;
  background:var(--cyan);
  color:#04120E;
  font-family:var(--font-cond);
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.1em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  padding:var(--header-pad) var(--gutter);
}
.header-progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:2px;
  background:rgba(35,69,58,.6);
  z-index:120;
  pointer-events:none;
}
.header-progress span{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--teal),var(--cyan) 62%,var(--amber));
  transition:transform .12s linear;
}

.header-shell{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,24px);
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding:9px 10px 9px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:linear-gradient(180deg,rgba(15,42,34,.94),rgba(8,19,15,.93));
  box-shadow:0 22px 46px -34px #000,inset 0 1px 0 rgba(47,243,214,.14);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:padding .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease);
}
.site-header[data-stuck] .header-shell{
  padding:5px 8px 5px 12px;
  border-color:rgba(47,243,214,.3);
}
.site-header[data-open] .header-shell{border-color:rgba(47,243,214,.36)}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.brand__mark{
  position:relative;
  display:grid;
  place-items:center;
  width:24px;
  height:24px;
  flex:0 0 auto;
  background:linear-gradient(140deg,var(--cyan),var(--teal));
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  box-shadow:0 0 18px rgba(47,243,214,.35);
}
.brand__mark::after{
  content:"";
  width:7px;
  height:7px;
  background:var(--ink);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{
  font-family:var(--font-cond);
  font-size:1.34rem;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--text);
}
.brand__sub{
  margin-top:4px;
  font-size:10px;
  letter-spacing:.26em;
  color:var(--muted);
}

.nav{margin-left:auto}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__link{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  font-family:var(--font-cond);
  font-size:1.02rem;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--muted);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav__link:hover,.nav__link:focus-visible{color:var(--text);background:rgba(47,243,214,.1)}
.nav__link[aria-current="page"]{
  background:var(--cyan);
  color:#04120E;
  font-weight:700;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:50%;
  background:rgba(20,56,45,.8);
  color:var(--text);
  cursor:pointer;
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .24s var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.site-header[data-open] .nav-toggle{border-color:var(--cyan);color:var(--cyan)}
.site-header[data-open] .nav-toggle__bars{background:transparent}
.site-header[data-open] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 11. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,10vw,120px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(15,42,34,.6),rgba(8,19,15,1) 42%);
}
.footer-rail{
  height:10px;
  background:repeating-linear-gradient(135deg,var(--cyan) 0 2px,transparent 2px 14px);
  opacity:.45;
}
.footer-inner{
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding:clamp(34px,5.5vw,68px) var(--gutter) 26px;
}
.footer-lead{
  display:grid;
  grid-template-columns:1.05fr 1.6fr 1.1fr;
  gap:clamp(24px,4vw,56px);
  align-items:start;
}

.footer-brand__name{
  font-family:var(--font-cond);
  font-size:clamp(1.7rem,3vw,2.1rem);
  font-weight:700;
  letter-spacing:.1em;
  line-height:1.1;
  color:var(--text);
}
.footer-brand__name span{
  margin-left:8px;
  font-size:.56em;
  letter-spacing:.26em;
  color:var(--cyan);
}
.footer-brand__sub{
  margin-top:10px;
  font-size:.86rem;
  letter-spacing:.06em;
  color:var(--muted);
}
.footer-brand__line{
  margin-top:18px;
  width:68px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px 24px;
}
.footer-col__title{
  margin-bottom:12px;
  font-family:var(--font-cond);
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--teal);
}
.footer-links{display:grid;gap:9px}
.footer-links a{
  position:relative;
  display:inline-block;
  font-size:.95rem;
  color:var(--text);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-links a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:0;
  height:1px;
  background:var(--cyan);
  transition:width .2s var(--ease);
}
.footer-links a:hover,.footer-links a:focus-visible{color:var(--cyan);padding-left:14px}
.footer-links a:hover::before,.footer-links a:focus-visible::before{width:9px}

.footer-contact{
  padding:18px 18px 16px;
  border:1px solid var(--line);
  background:rgba(20,56,45,.5);
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.footer-contact__row{display:block;margin-bottom:11px}
.footer-contact__row:last-of-type{margin-bottom:0}
.footer-contact__label{
  display:block;
  font-size:11px;
  letter-spacing:.2em;
  color:var(--teal);
}
.footer-contact__value{
  display:block;
  font-family:var(--font-mono);
  font-size:.84rem;
  line-height:1.6;
  color:var(--text);
  word-break:break-word;
}
.footer-contact__note{
  margin-top:14px;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:11.5px;
  line-height:1.7;
  letter-spacing:.04em;
  color:var(--muted);
}

.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 26px;
  margin-top:clamp(28px,4vw,48px);
  padding-top:18px;
  border-top:1px dashed var(--line);
  font-size:.76rem;
  letter-spacing:.05em;
  color:var(--muted);
}
.footer-legal{max-width:52ch}
.footer-sign{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--teal);
}
.footer-copy{font-family:var(--font-mono);font-size:.72rem;color:var(--muted)}

.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:90;
  display:grid;
  place-items:center;
  width:54px;
  height:54px;
  padding:0;
  border:1px solid rgba(47,243,214,.4);
  border-radius:50%;
  background:rgba(15,42,34,.92);
  color:var(--cyan);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  box-shadow:0 0 0 1px rgba(8,19,15,.6),0 18px 34px -26px var(--cyan);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease),
             border-color .2s var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan)}
.to-top__arrow{font-family:var(--font-mono);font-size:1rem;line-height:1}

/* ---------- 12. 入场动效 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1180px){
  .header-actions .btn--ghost{display:none}
  .nav__link{font-size:.94rem;padding:7px 9px}
}
@media (max-width:1024px){
  .footer-lead{grid-template-columns:1fr 1fr}
  .footer-contact{grid-column:1 / -1}
  .footer-cols{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:920px){
  .nav-toggle{display:inline-flex}
  .header-shell{position:relative;z-index:80}
  .nav{
    position:fixed;
    inset:0;
    z-index:70;
    margin:0;
    padding:clamp(104px,15vh,132px) var(--gutter) 48px;
    background:
      radial-gradient(120% 80% at 100% 0,rgba(47,243,214,.14),transparent 62%),
      radial-gradient(90% 60% at 0% 100%,rgba(27,143,126,.18),transparent 70%),
      #08130F;
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    pointer-events:none;
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
  }
  .site-header[data-open] .nav{
    opacity:1;
    visibility:visible;
    transform:none;
    pointer-events:auto;
  }
  .nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    counter-reset:nav-n;
    max-width:560px;
  }
  .nav__item{
    counter-increment:nav-n;
    border-bottom:1px dashed var(--line);
  }
  .nav__link{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:16px;
    padding:18px 4px;
    border-radius:0;
    font-size:1.5rem;
    letter-spacing:.06em;
    color:var(--text);
    background:transparent;
  }
  .nav__link::after{
    content:"0" counter(nav-n);
    font-family:var(--font-mono);
    font-size:.74rem;
    letter-spacing:.16em;
    color:var(--muted);
  }
  .nav__link:hover,.nav__link:focus-visible{background:rgba(47,243,214,.06);color:var(--cyan)}
  .nav__link[aria-current="page"]{
    background:transparent;
    color:var(--cyan);
    font-weight:700;
  }
  .nav__link[aria-current="page"]::after{color:var(--cyan)}
  .header-actions .btn--primary{padding:9px 14px;font-size:.86rem;letter-spacing:.06em}
}
@media (max-width:720px){
  .footer-lead{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr 1fr;gap:22px}
  .footer-base{justify-content:flex-start}
  .brand__sub{letter-spacing:.18em}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
}
@media (max-width:560px){
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .header-actions .btn--primary{display:none}
  .footer-cols{grid-template-columns:1fr}
  .to-top{width:48px;height:48px}
}

/* ---------- 14. 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;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .to-top{transition:none}
}