/* ==========================================================================
   完美体育赛事 · 共享站点样式 /assets/site.css
   夜间赛场转播控制室 · 技术蓝图网格 · 墨绿 / 荧光青 / 琥珀金
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink:#04120F;
  --panel:#0B231C;
  --panel-2:#0E2C23;
  --line:#123A31;
  --line-strong:#1B4C40;
  --cyan:#4FF0C8;
  --amber:#F2B441;
  --pulse:#FF5A36;
  --text:#E8F5F0;
  --muted:#8FA9A1;
  --white:#FFFFFF;
  --hover:#1E4A3E;

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"JetBrains Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;

  --gutter:clamp(16px,4vw,40px);
  --shell-max:1320px;

  --step--1:clamp(12.5px,.2vw + 12px,13.5px);
  --step-0:clamp(15px,.35vw + 14px,16.5px);
  --step-1:clamp(17px,.6vw + 15px,19px);
  --step-2:clamp(21px,1.2vw + 18px,27px);
  --step-3:clamp(28px,2.6vw + 20px,44px);
  --step-4:clamp(36px,4.6vw + 22px,72px);
  --step-5:clamp(46px,7vw + 24px,110px);
}

/* ---------- 2. 重置与基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:var(--step-0);
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 620px at 50% -60px,rgba(79,240,200,.11),transparent 70%),
    radial-gradient(70% 480px at 104% 0,rgba(242,180,65,.07),transparent 66%),
    linear-gradient(rgba(18,58,49,.42) 1px,transparent 1px),
    linear-gradient(90deg,rgba(18,58,49,.42) 1px,transparent 1px);
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  background-size:100% 640px,100% 520px,100px 100px,100px 100px;
  background-position:center top,center top,center top,center top;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:var(--cyan);text-decoration-color:rgba(79,240,200,.4);text-underline-offset:3px}
a:hover{color:var(--white)}
button{font:inherit;color:inherit}
::selection{background:var(--cyan);color:var(--ink)}

/* ---------- 3. 中文排版 ---------- */
h1,h2,h3,h4{margin:0 0 .55em;color:var(--white);font-weight:800;line-height:1.22;letter-spacing:.01em;font-stretch:condensed}
h1{font-size:var(--step-4);letter-spacing:-.01em}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-2)}
h4{font-size:var(--step-1)}
p{margin:0 0 1em}
ul,ol{padding-left:1.25em}
time,code{font-family:var(--font-num)}

/* ---------- 4. 通用工具 ---------- */
.shell{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(48px,7vw,104px)}
.section--tight{padding-block:clamp(28px,4vw,56px)}
.rule{height:1px;margin:clamp(24px,3vw,40px) 0;border:0;background:var(--line)}
.coord{font-family:var(--font-num);font-size:12px;letter-spacing:.14em;color:var(--muted)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
#main-content{outline:none}

.skip-link{
  position:absolute;left:12px;top:-72px;z-index:200;
  padding:10px 18px;background:var(--cyan);color:var(--ink);
  font-size:var(--step--1);font-weight:800;letter-spacing:.14em;text-decoration:none;
  transition:top .22s ease;
}
.skip-link:focus{top:12px;color:var(--ink)}

.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}

/* ---------- 5. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(4,18,15,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(7px);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(14px,2vw,28px);
  max-height:220px;overflow:hidden;
  padding-block:clamp(12px,1.6vw,20px);
  transition:max-height .34s ease,opacity .22s ease,padding .3s ease,visibility .34s;
}
.site-header[data-stuck] .header-top{max-height:0;opacity:0;padding-block:0;visibility:hidden}

.brand-block{min-width:0}
.brand-mark{
  display:inline-block;
  font-size:clamp(20px,2.3vw,27px);font-weight:900;font-stretch:condensed;
  letter-spacing:.14em;color:var(--white);text-decoration:none;line-height:1.1;
}
.brand-mark:hover{color:var(--cyan)}
.brand-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:.6em;
  margin:.5em 0 0;font-size:12.5px;letter-spacing:.1em;color:var(--muted);
  font-family:var(--font-num);
}
.brand-tag{
  padding:.14em .5em;border:1px solid rgba(79,240,200,.5);color:var(--cyan);
  font-size:11px;letter-spacing:.18em;
}
.brand-coord{color:var(--line-strong);color:rgba(143,169,161,.72)}

.header-utility{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}
.utility-chip{
  display:inline-flex;align-items:center;gap:.65em;
  padding:.55em .95em;border:1px solid var(--line-strong);
  background:rgba(11,35,28,.75);color:var(--muted);
  font-size:13px;letter-spacing:.06em;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.utility-chip:hover{border-color:var(--cyan);color:var(--text)}
.utility-chip[aria-expanded="true"]{border-color:var(--cyan);color:var(--text);background:var(--panel)}
.utility-chip-key{font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:var(--cyan)}
.utility-link{
  padding:.4em 0;font-size:13.5px;letter-spacing:.06em;color:var(--muted);
  text-decoration:none;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.utility-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.utility-status{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.08em;color:var(--muted);
}
.utility-time{color:var(--text)}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--pulse);
  animation:live 2.4s ease-out infinite;
}
@keyframes live{
  0%{box-shadow:0 0 0 0 rgba(255,90,54,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,90,54,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,54,0)}
}

.to-top{
  display:inline-flex;align-items:center;gap:.45em;
  padding:.5em .85em;border:1px solid var(--line-strong);background:transparent;
  color:var(--muted);font-size:12.5px;letter-spacing:.12em;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.to-top::before{content:"↑";font-family:var(--font-num);font-size:13px}
.to-top:hover,.to-top:focus-visible{border-color:var(--amber);color:var(--amber);background:rgba(242,180,65,.06)}

/* 检索抽屉 */
.search-drawer{
  position:absolute;left:0;right:0;top:100%;display:none;
  background:var(--panel);border-bottom:1px solid var(--line);
  padding:clamp(14px,2vw,22px) 0;
  box-shadow:0 26px 44px rgba(0,0,0,.5);
}
.search-drawer[data-open]{display:block}
.search-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.search-label{font-family:var(--font-num);font-size:12px;letter-spacing:.2em;color:var(--cyan)}
.search-input{
  flex:1 1 260px;min-width:0;padding:.7em 1em;
  border:1px solid var(--line-strong);background:var(--ink);color:var(--text);
  font-family:var(--font-sans);font-size:var(--step-0);
}
.search-input::placeholder{color:rgba(143,169,161,.75)}
.search-hint{margin:0;font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.search-results{
  display:flex;flex-wrap:wrap;gap:8px;
  margin:14px 0 0;padding:0;list-style:none;
}
.search-results a{
  display:inline-block;padding:.42em .8em;border:1px solid rgba(79,240,200,.4);
  color:var(--cyan);font-size:13px;text-decoration:none;letter-spacing:.06em;
  transition:background .2s ease,color .2s ease;
}
.search-results a:hover{background:var(--hover);color:var(--white)}

/* 第二行锚点轨 */
.nav-row{border-top:1px solid var(--line);transition:border-color .3s ease}
.site-header[data-stuck] .nav-row{border-top-color:transparent}
.nav-row-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(12px,2vw,28px);padding-block:10px;
}
.nav-leading{display:flex;align-items:center;gap:14px;min-width:0}
.nav-brand-mini{
  display:none;align-items:center;
  font-size:14px;font-weight:900;font-stretch:condensed;letter-spacing:.14em;
  color:var(--white);text-decoration:none;white-space:nowrap;
}
.site-header[data-stuck] .nav-brand-mini{display:inline-flex}
.nav-status{
  margin:0;font-family:var(--font-num);font-size:11.5px;letter-spacing:.16em;
  color:rgba(143,169,161,.8);white-space:nowrap;
}
.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:8px 12px;border:1px solid var(--line-strong);background:transparent;
  color:var(--text);font-size:13px;letter-spacing:.12em;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle-bars{position:relative;width:16px;height:10px;border-top:1px solid currentColor;border-bottom:1px solid currentColor}
.nav-toggle-bars::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:currentColor}

.site-nav-wrap{min-width:0}
.site-nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,32px);margin:0;padding:0;list-style:none}
.site-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14.5px;letter-spacing:.08em;color:var(--muted);text-decoration:none;
  transition:color .2s ease;
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.site-nav a:hover,.site-nav a:focus-visible{color:var(--white)}
.site-nav a:hover::after,.site-nav a:focus-visible::after{transform:scaleX(1)}
.site-nav a[aria-current="page"]{color:var(--cyan)}
.site-nav a[aria-current="page"]::after{transform:scaleX(1)}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transition:width .12s linear;
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,110px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,35,28,.62),rgba(4,18,15,1) 58%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
  padding-block:clamp(36px,5vw,68px) clamp(24px,3vw,40px);
}
.footer-brand{min-width:0}
.footer-wordmark{
  margin:0 0 .5em;font-size:clamp(20px,2vw,24px);font-weight:900;font-stretch:condensed;
  letter-spacing:.14em;color:var(--white);
}
.footer-brand-note{margin:0 0 .8em;font-size:13.5px;line-height:1.85;color:var(--muted);max-width:34ch}
.footer-coord{margin:0;font-family:var(--font-num);font-size:11.5px;letter-spacing:.16em;color:rgba(143,169,161,.7)}
.footer-col-title{
  margin:0 0 14px;font-family:var(--font-num);font-size:12px;font-weight:700;
  letter-spacing:.2em;color:var(--cyan);
}
.footer-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.footer-list a{
  display:inline-block;font-size:14px;color:var(--muted);text-decoration:none;
  transition:color .18s ease,transform .18s ease;
}
.footer-list a:hover,.footer-list a:focus-visible{color:var(--cyan);transform:translateX(3px)}

.footer-contact{
  display:flex;flex-wrap:wrap;gap:12px clamp(20px,3vw,40px);
  padding-block:clamp(18px,2.4vw,28px);
  border-top:1px solid var(--line);
}
.footer-contact-item{display:flex;flex-direction:column;gap:4px;min-width:0}
.footer-contact-key{font-family:var(--font-num);font-size:11px;letter-spacing:.18em;color:var(--amber)}
.footer-contact-val{font-size:14px;color:var(--text);word-break:break-word}
.footer-contact-note{
  flex:1 1 100%;margin:0;font-size:12.5px;line-height:1.8;
  color:var(--muted);max-width:78ch;
}

.footer-sync{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  padding-block:clamp(16px,2vw,22px);
  border-top:1px solid var(--line);
  font-family:var(--font-num);font-size:12px;letter-spacing:.12em;color:var(--muted);
}
.footer-sync-label{color:var(--cyan)}
.footer-sync-bar{position:relative;flex:1 1 180px;height:2px;background:var(--line);min-width:120px}
.footer-sync-fill{position:absolute;inset:0 32% 0 0;background:linear-gradient(90deg,var(--amber),var(--pulse))}
.footer-sync-note{flex:1 1 240px;text-align:right;color:rgba(143,169,161,.85)}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 20px;padding-block:clamp(18px,2vw,24px) clamp(26px,3vw,40px);
  border-top:1px solid var(--line);
}
.footer-bottom-brand{margin:0;font-size:13px;letter-spacing:.1em;color:var(--text)}
.footer-bottom-legal{margin:0;font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--muted)}
.to-top--footer{align-self:flex-end}

/* ---------- 7. 内容组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.22em;color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan)}

.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px clamp(12px,2vw,22px);
  padding-bottom:14px;margin-bottom:clamp(20px,3vw,36px);
  border-bottom:1px solid var(--line);
}
.section-head__index{font-family:var(--font-num);font-size:13px;letter-spacing:.18em;color:var(--amber)}
.section-head__title{margin:0;font-size:var(--step-2)}
.section-head__note{margin-left:auto;font-family:var(--font-num);font-size:12px;letter-spacing:.1em;color:var(--muted)}

.panel{
  padding:clamp(18px,2.4vw,32px);
  background:var(--panel);border:1px solid var(--line);
}
.dossier{
  position:relative;display:block;
  padding:clamp(16px,2vw,26px);
  background:var(--panel);border:1px solid var(--line);text-decoration:none;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.dossier:hover,.dossier:focus-visible{border-color:var(--cyan);background:var(--panel-2);transform:translateY(-2px)}
.dossier__index{display:block;margin-bottom:.7em;font-family:var(--font-num);font-size:12px;letter-spacing:.18em;color:var(--amber)}
.dossier__title{display:block;margin:0 0 .5em;font-size:var(--step-1);font-weight:800;color:var(--white);text-decoration:none}
.dossier__meta{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}

.tag{
  display:inline-flex;align-items:center;gap:.4em;
  padding:.24em .7em;border:1px solid var(--line-strong);
  font-family:var(--font-num);font-size:12px;letter-spacing:.1em;color:var(--muted);
}
.tag--cyan{color:var(--cyan);border-color:rgba(79,240,200,.45)}
.tag--amber{color:var(--amber);border-color:rgba(242,180,65,.45)}
.tag--pulse{color:var(--pulse);border-color:rgba(255,90,54,.5)}

.btn{
  display:inline-flex;align-items:center;gap:.6em;
  padding:.85em 1.5em;border:1px solid var(--line-strong);background:transparent;
  color:var(--text);font-size:var(--step--1);font-weight:800;letter-spacing:.14em;
  text-decoration:none;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover,.btn:focus-visible{background:var(--hover);border-color:var(--cyan);color:var(--white);transform:translateY(-1px)}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}
.btn--primary:hover,.btn--primary:focus-visible{background:var(--white);border-color:var(--white);color:var(--ink)}
.btn--ghost{color:var(--cyan);border-color:rgba(79,240,200,.45)}
.btn--ghost:hover,.btn--ghost:focus-visible{background:var(--hover);color:var(--white)}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:.6em;
  margin:0;padding:0;list-style:none;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.08em;color:var(--muted);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:.6em}
.breadcrumbs li+li::before{content:"/";color:var(--line-strong)}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--text)}

.prose{max-width:72ch;line-height:1.85}
.prose h2{margin-top:2.1em;font-size:var(--step-2)}
.prose h3{margin-top:1.7em;font-size:var(--step-1)}
.prose li{margin-bottom:.5em}
.prose--light{font-weight:300;line-height:2;color:#D6E7E1;letter-spacing:.01em}
.prose--light h2,.prose--light h3{margin-top:2.4em}

.score{
  display:inline-block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(40px,6vw,84px);font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--white);
}
.data-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-weight:700;letter-spacing:-.01em;color:var(--amber);
}
[data-pulse]{animation:pulseFlash 1.1s ease-out 1}
@keyframes pulseFlash{
  0%{color:var(--pulse);text-shadow:0 0 18px rgba(255,90,54,.55)}
  100%{color:inherit;text-shadow:none}
}

/* ---------- 8. 图片容器基础规则 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
}
.media-frame img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;
  filter:brightness(.78) saturate(.92) contrast(1.06);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.65;
  background-image:
    linear-gradient(rgba(79,240,200,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(79,240,200,.09) 1px,transparent 1px);
  background-size:48px 48px;
}
.media-frame--wide img{aspect-ratio:21/9}
.media-frame--tall img{aspect-ratio:3/4}
.media-frame--square img{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;left:0;bottom:0;z-index:2;
  padding:8px 13px;background:rgba(4,18,15,.84);border-top:1px solid var(--line);
  font-family:var(--font-num);font-size:11.5px;letter-spacing:.12em;color:var(--muted);
}

/* ---------- 9. 视口显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
[data-reveal][data-revealed]{opacity:1;transform:none}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1100px){
  .nav-status{display:none}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--4,.grid--split{grid-template-columns:minmax(0,1fr)}
  .nav-toggle{display:inline-flex}
  .nav-brand-mini{display:inline-flex}
  .nav-row-inner{position:relative}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    max-height:calc(100vh - 96px);overflow-y:auto;
    padding:6px var(--gutter) 14px;
    background:var(--panel);border-bottom:1px solid var(--line);
    box-shadow:0 26px 44px rgba(0,0,0,.5);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .site-nav a{display:flex;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .site-nav li:last-child a{border-bottom:0}
  .site-nav a::after{display:none}
  .site-nav a[aria-current="page"]::before{content:"";width:18px;height:1px;margin-right:10px;background:var(--cyan)}
  .header-utility{gap:8px}
  .utility-link,.utility-status{display:none}
  .search-drawer{max-height:calc(100vh - 60px);overflow-y:auto}
}
@media (max-width:640px){
  .header-top{flex-direction:column;align-items:flex-start;max-height:300px}
  .header-utility{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-sync-note{text-align:left}
  .footer-bottom{align-items:flex-start}
  .to-top--footer{align-self:flex-start}
  .media-frame img{aspect-ratio:4/3}
}

/* ---------- 11. 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .dot{animation:none}
}