/* ==========================================================================
   必一赛场 · 共享样式表 /assets/site.css
   夜场数据台：碳黑底 + 石墨层 + 荧光青绿数据高亮 + 暖橙收藏标记
   ========================================================================== */

:root{
  --ink:#0B0E0D;
  --graphite:#141A18;
  --steel:#2A3431;
  --mint:#39F5C8;
  --orange:#FF8A3D;
  --red:#FF5A66;
  --glass:#0F3A32;
  --muted:#8FA79E;
  --paper:#F4F1E8;
  --cold:#E8F5EF;

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

  --wrap:1240px;
  --gutter:clamp(18px,4vw,48px);
  --edge:1px solid var(--steel);
  --radius:2px;
}

/* ---------- 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,figcaption,dl,dt,dd,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.22;
  color:var(--cold);
}
h1{font-size:clamp(2.4rem,6vw,5.2rem)}
h2{font-size:clamp(1.4rem,2.8vw,2rem)}
h3{font-size:1.15rem}
p{max-width:72ch}
strong{color:var(--cold);font-weight:700}
small{font-size:.8rem}

:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:3px;
  border-radius:var(--radius);
}
::selection{background:rgba(57,245,200,.28);color:var(--cold)}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:12px;top:-70px;
  z-index:300;
  padding:10px 18px;
  background:var(--mint);
  color:#04211A;
  font-weight:700;
  font-size:.85rem;
  text-decoration:none;
  border-radius:var(--radius);
  transition:top .2s ease;
}
.skip-link:focus{top:12px}

/* ==========================================================================
   头部：双层信息导航
   ========================================================================== */
.site-header{
  position:relative;
  background:var(--ink);
  border-bottom:var(--edge);
}

/* 上层：品牌铭牌 + 状态 + 直达入口 */
.header-top{border-bottom:var(--edge);background:linear-gradient(180deg,rgba(15,58,50,.32),rgba(11,14,13,0) 78%)}
.header-top-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(14px,2.6vw,36px);
  padding-block:clamp(12px,1.8vw,20px);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--paper);
}
.brand-mark{
  position:relative;
  flex:none;
  width:36px;height:36px;
  border:1px solid var(--steel);
  background:linear-gradient(140deg,rgba(57,245,200,.22),rgba(15,58,50,.75));
  transition:border-color .22s ease,background .22s ease;
}
.brand-mark::before{
  content:"";position:absolute;left:8px;top:8px;
  width:8px;height:8px;background:var(--mint);
}
.brand-mark::after{
  content:"";position:absolute;right:6px;bottom:7px;
  width:15px;height:2px;background:var(--orange);
}
.brand:hover .brand-mark{border-color:var(--mint)}
.brand-text{display:flex;flex-direction:column}
.brand-name{
  font-family:var(--font-display);
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:.03em;
  line-height:1.25;
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.13em;
  color:var(--muted);
  line-height:1.5;
}

.header-tag{
  display:inline-flex;
  align-items:center;
  gap:9px;
  justify-self:start;
  max-width:none;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.1em;
  color:var(--muted);
}
.status-dot{
  width:7px;height:7px;flex:none;
  border-radius:50%;
  background:var(--mint);
  animation:pulse 2.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(57,245,200,.55);opacity:1}
  50%{box-shadow:0 0 0 7px rgba(57,245,200,0);opacity:.6}
}

.header-actions{display:flex;flex-wrap:wrap;gap:8px;justify-self:end}
.header-action{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:8px 13px;
  border:1px solid var(--steel);
  background:rgba(20,26,24,.74);
  color:var(--cold);
  font-size:.82rem;
  text-decoration:none;
  border-radius:var(--radius);
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.header-action-key{
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.08em;
  color:var(--mint);
}
.header-action-label{font-size:.82rem;line-height:1.5}
.header-action:hover{
  border-color:var(--mint);
  color:var(--mint);
  background:rgba(15,58,50,.62);
}
.header-action--warm .header-action-key{color:var(--orange)}
.header-action--warm:hover{
  border-color:var(--orange);
  color:var(--orange);
  background:rgba(46,24,10,.6);
}

/* 下层：栏目索引带 */
.header-navbar{background:var(--graphite)}
.header-navbar-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
}
.nav-title{
  font-family:var(--font-mono);
  font-size:.63rem;
  letter-spacing:.2em;
  color:var(--muted);
  text-transform:uppercase;
  white-space:nowrap;
}
.primary-nav{flex:0 1 auto}
.nav-list{display:flex;align-items:center;gap:clamp(12px,2.2vw,32px)}
.nav-item{display:block}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:15px 2px;
  font-size:.94rem;
  color:var(--cold);
  text-decoration:none;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:9px;
  height:2px;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.nav-index{
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.08em;
  color:var(--muted);
  transition:color .2s ease;
}
.nav-link:hover{color:var(--mint)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--mint)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"] .nav-index{color:var(--orange)}

/* 移动导航开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:1px solid var(--steel);
  background:transparent;
  color:var(--cold);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  cursor:pointer;
  border-radius:var(--radius);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--mint);color:var(--mint)}
.nav-toggle[aria-expanded="true"]{border-color:var(--mint);color:var(--mint);background:rgba(15,58,50,.6)}
.nav-toggle-label{line-height:1}
.nav-toggle-icon{display:inline-flex;flex-direction:column;gap:3px}
.nav-toggle-icon span{display:block;width:16px;height:2px;background:currentColor}

/* 阅读进度条 */
.scroll-meter{
  position:fixed;
  inset:0 0 auto 0;
  height:2px;
  background:rgba(42,52,49,.85);
  z-index:200;
  pointer-events:none;
}
.scroll-meter-fill{
  display:block;
  width:100%;height:100%;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left center;
  box-shadow:0 0 12px rgba(57,245,200,.55);
}

/* ==========================================================================
   通用组件
   ========================================================================== */
.section{padding:clamp(40px,6vw,84px) 0}
.section--tight{padding:clamp(24px,3vw,42px) 0}
.section--graphite{background:var(--graphite);border-block:var(--edge)}
.section--paper{background:var(--paper);color:#101A16}
.section--paper h2,.section--paper h3,.section--paper strong{color:#0B1411}
.section--paper .eyebrow{color:#0F6B57}
.section--paper .eyebrow::before{background:#0F6B57}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 28px;
  margin-bottom:clamp(16px,2.4vw,30px);
}
.section-title{font-size:clamp(1.4rem,2.8vw,2rem)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mint);
}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor}
.lead{
  font-size:clamp(1.02rem,1.5vw,1.18rem);
  line-height:1.9;
  color:var(--cold);
  max-width:64ch;
}
.note{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.05em;
  line-height:1.75;
  color:var(--muted);
  max-width:70ch;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  border:1px solid var(--steel);
  border-radius:var(--radius);
  background:transparent;
  color:var(--cold);
  font-size:.94rem;
  font-weight:600;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease;
}
.btn:hover{border-color:var(--mint);color:var(--mint)}
.btn:active{transform:translateY(1px)}
.btn--mint{background:var(--mint);border-color:var(--mint);color:#04211A}
.btn--mint:hover{background:#63FFD9;border-color:#63FFD9;color:#04211A}
.btn--ghost{background:rgba(15,58,50,.35);border-color:rgba(57,245,200,.32);color:var(--cold)}
.btn--warm{background:var(--orange);border-color:var(--orange);color:#200E03}
.btn--warm:hover{background:#FFA367;border-color:#FFA367;color:#200E03}

/* 面包屑 */
.breadcrumb{padding-block:16px}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--muted);
  text-transform:uppercase;
}
.breadcrumb-item a{color:var(--muted);text-decoration:none;transition:color .2s ease}
.breadcrumb-item a:hover{color:var(--mint)}
.breadcrumb-item[aria-current="page"]{color:var(--mint)}
.breadcrumb-sep{color:var(--steel)}

/* 正文 */
.prose{max-width:72ch;color:var(--paper)}
.prose p{margin-bottom:1.1em}
.prose h2{margin:1.9em 0 .6em;font-size:clamp(1.35rem,2.4vw,1.85rem)}
.prose h3{margin:1.5em 0 .45em;font-size:1.12rem}
.prose ul,.prose ol{margin:0 0 1.1em}
.prose li{position:relative;padding-left:1.15em;margin-bottom:.5em}
.prose li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;background:var(--mint);
}
.prose a{
  color:var(--mint);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.prose a:hover{color:var(--cold)}

/* 栅格 */
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--sidebar{grid-template-columns:minmax(240px,36fr) minmax(0,64fr)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* 面板 */
.panel{
  position:relative;
  border:var(--edge);
  background:var(--graphite);
  padding:clamp(18px,2.6vw,30px);
  border-radius:var(--radius);
  transition:border-color .24s ease,transform .24s ease;
}
.panel:hover{border-color:rgba(57,245,200,.45)}
.panel--glass{
  background:rgba(15,58,50,.55);
  border-color:rgba(57,245,200,.24);
  backdrop-filter:blur(6px);
}
.panel--paper{background:var(--paper);color:#101A16;border-color:#D6D1C2}
.panel--paper .panel-title,.panel--paper h3{color:#0B1411}
.panel-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:8px 16px;
  margin-bottom:14px;
}
.panel-title{font-size:1.04rem;font-weight:700;color:var(--cold)}

/* 统计条 */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  border:var(--edge);
  background:var(--graphite);
}
.stat{padding:16px 18px;border-right:var(--edge);border-bottom:var(--edge)}
.stat-value{
  display:block;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(1.45rem,2.6vw,2.05rem);
  line-height:1.15;
  color:var(--mint);
}
.stat-value--warm{color:var(--orange)}
.stat-value--red{color:var(--red)}
.stat-label{
  display:block;
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.1em;
  color:var(--muted);
}

/* 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--steel);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.08em;
  color:var(--muted);
}
.tag--mint{color:var(--mint);border-color:rgba(57,245,200,.42)}
.tag--warm{color:var(--orange);border-color:rgba(255,138,61,.45)}
.tag--red{color:var(--red);border-color:rgba(255,90,102,.45)}

/* 可复用图片容器（页面阶段放入夜间球场、记分牌、战术板等素材） */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/9;
  border:var(--edge);
  background:
    repeating-linear-gradient(135deg,rgba(42,52,49,.55) 0 2px,transparent 2px 12px),
    var(--graphite);
  border-radius:var(--radius);
}
.media-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(57,245,200,.1),transparent 48%,rgba(255,138,61,.08));
  pointer-events:none;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:1;
  padding:14px;
  background:linear-gradient(transparent,rgba(11,14,13,.88));
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.06em;
  color:var(--cold);
}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}

/* 收藏星标 */
.fav-star{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border:1px solid var(--steel);
  border-radius:var(--radius);
  background:transparent;
  color:var(--muted);
  font-size:1rem;
  line-height:1;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .18s ease;
}
.fav-star:hover{border-color:var(--orange);color:var(--orange)}
.fav-star[aria-pressed="true"]{
  color:var(--orange);
  border-color:var(--orange);
  background:rgba(255,138,61,.12);
  transform:scale(1.06);
}

/* 折叠条 */
.fold{border-top:var(--edge)}
.fold:last-child{border-bottom:var(--edge)}
.fold summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:16px 2px;
  cursor:pointer;
  list-style:none;
  font-weight:600;
  color:var(--cold);
  transition:color .2s ease;
}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{
  content:"+";
  flex:none;
  font-family:var(--font-mono);
  color:var(--mint);
  transition:transform .22s ease;
}
.fold[open] summary::after{content:"–"}
.fold summary:hover{color:var(--mint)}
.fold-body{padding:0 2px 18px;color:var(--muted);max-width:70ch}
.fold-body p{max-width:70ch}

/* 滚动显现 */
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);
}
.reveal-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ==========================================================================
   页脚：记分牌收束带 + 资料区
   ========================================================================== */
.site-footer{
  margin-top:clamp(40px,6vw,80px);
  background:var(--ink);
  border-top:var(--edge);
}
.footer-band{
  background:linear-gradient(90deg,rgba(15,58,50,.9),rgba(15,58,50,.35) 58%,rgba(11,14,13,.92));
  border-bottom:var(--edge);
}
.footer-band-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:12px clamp(22px,5vw,64px);
  padding-block:18px;
}
.footer-band-item{
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  max-width:none;
  font-size:.86rem;
}
.footer-band-key{
  font-family:var(--font-mono);
  font-size:.63rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-band-link{
  color:var(--mint);
  text-decoration:none;
  border-bottom:1px solid rgba(57,245,200,.35);
  padding-bottom:1px;
  transition:border-color .2s ease,color .2s ease;
}
.footer-band-link:hover{border-bottom-color:var(--mint);color:var(--cold)}
.footer-band-text{color:var(--cold)}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr) minmax(0,.8fr);
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(32px,5vw,60px);
}
.footer-brand-name{
  font-family:var(--font-display);
  font-size:1.35rem;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--cold);
}
.footer-summary{
  margin-top:10px;
  max-width:42ch;
  font-size:.9rem;
  line-height:1.85;
  color:var(--muted);
}
.footer-contact{margin-top:20px;display:grid;gap:8px}
.footer-contact-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-size:.82rem;
  color:var(--cold);
}
.footer-contact-key{
  font-family:var(--font-mono);
  font-size:.63rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  min-width:36px;
  padding-top:2px;
}
.footer-contact-value{flex:1 1 12ch;line-height:1.7}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:.65rem;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mint);
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px}
.footer-links a{
  display:inline-block;
  font-size:.92rem;
  color:var(--cold);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer-links a:hover{color:var(--mint);border-bottom-color:rgba(57,245,200,.5)}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px clamp(18px,3vw,44px);
  padding-block:18px 28px;
  border-top:var(--edge);
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.05em;
  color:var(--muted);
}
.footer-meta-line{max-width:none}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1024px){
  .header-top-inner{grid-template-columns:auto auto;justify-content:space-between}
  .header-tag{display:none}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  body{font-size:16px}
  .nav-title{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-navbar-inner{gap:0}
  .primary-nav{
    flex-basis:100%;
    max-height:0;
    overflow:hidden;
    transition:max-height .34s cubic-bezier(.2,.7,.3,1);
  }
  .primary-nav[data-open]{max-height:520px}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:4px 0 14px}
  .nav-link{
    width:100%;
    justify-content:flex-start;
    padding:13px 2px;
    border-bottom:var(--edge);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--mint)}
  .grid--sidebar,.grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .stat-strip{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}
}

@media (max-width:640px){
  .header-top-inner{grid-template-columns:minmax(0,1fr);gap:12px}
  .header-actions{justify-self:stretch}
  .header-action{flex:1 1 auto;justify-content:center}
  .brand-mark{width:32px;height:32px}
  .footer-grid{grid-template-columns:minmax(0,1fr);padding-block:32px}
  .footer-band-inner{gap:10px 20px}
  .footer-meta{font-size:.64rem}
  .prose{max-width:none}
}

/* ==========================================================================
   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;
  }
  .reveal-ready [data-reveal]{opacity:1;transform:none}
}