/* ============================================================
   心博赛场 · 共享样式表 /assets/site.css
   深夜球场控制室：墨绿基底 / 荧光青数据线 / 比分暖橙点缀
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink-900:#06130F;
  --ink-800:#0C2119;
  --ink-700:#12322A;
  --cyan:#2BE3C0;
  --cyan-soft:#7CF0D8;
  --orange:#FF7A2F;
  --amber:#FFC65C;
  --paper:#E9F4F0;
  --muted:#9DB5AB;
  --line:#3E5C52;

  --font-head:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-data:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --step-64:clamp(2.125rem,4vw,4rem);
  --step-40:clamp(1.625rem,2.6vw,2.5rem);
  --step-28:clamp(1.25rem,1.8vw,1.75rem);
  --step-20:clamp(1.0625rem,1.3vw,1.25rem);

  --space:8px;
  --radius:4px;
  --rail-w:264px;
  --bar-h:112px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-deep:0 30px 70px -40px rgba(0,0,0,.95);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,p,figure,blockquote,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video,canvas{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:2px}

/* ---------- 3. 中文排版基底 ---------- */
body{
  background:
    radial-gradient(1200px 620px at 78% -12%,rgba(43,227,192,.10),transparent 62%),
    radial-gradient(880px 520px at -8% 18%,rgba(43,227,192,.05),transparent 60%),
    var(--ink-900);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.22;letter-spacing:-.012em;color:var(--paper)}
h1{font-size:var(--step-64)}
h2{font-size:var(--step-40)}
h3{font-size:var(--step-28)}
h4{font-size:var(--step-20)}
strong{font-weight:600;color:#fff}
small{font-size:13px}

.mono-data{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.04em;
}
.eyebrow{
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--muted);
  text-transform:uppercase;
}
.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;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  padding:12px 22px;
  background:var(--cyan);color:var(--ink-900);
  font-family:var(--font-data);font-size:13px;font-weight:700;letter-spacing:.1em;
  border-radius:0 0 var(--radius) 0;
}
.skip-link:focus{left:0}

/* ---------- 5. 页头：双层信息轨道 ---------- */
.site-header{position:sticky;top:0;z-index:80;isolation:isolate}

.header-rail{
  position:relative;
  background:linear-gradient(104deg,#06130F 0%,#0C2119 46%,#0A1B16 100%);
  border-bottom:1px solid var(--line);
  transition:padding .3s var(--ease);
}
.header-rail::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(78deg,transparent 61%,rgba(43,227,192,.10) 61.2%,rgba(43,227,192,0) 100%);
}
.header-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:24px;
  width:min(1440px,100%);margin:0 auto;padding:14px 28px;
  transition:padding .3s var(--ease);
}
.site-header.is-condensed .header-inner{padding-top:8px;padding-bottom:8px}
.site-header.is-condensed .brand-sub{opacity:0;max-height:0}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--paper);flex:none}
.brand-mark{
  width:26px;height:26px;flex:none;
  background:linear-gradient(150deg,var(--cyan) 0%,#0E6E5C 100%);
  clip-path:polygon(24% 0,100% 0,76% 100%,0 100%);
  box-shadow:0 0 18px rgba(43,227,192,.35);
}
.brand-text{display:block}
.brand-name{display:block;font-family:var(--font-head);font-size:20px;line-height:1.15;letter-spacing:.06em}
.brand-sub{
  display:block;margin-top:4px;
  font-family:var(--font-data);font-size:10px;letter-spacing:.26em;color:var(--muted);
  overflow:hidden;transition:opacity .3s var(--ease),max-height .3s var(--ease);max-height:16px;
}

/* 轮次状态 */
.brand-status{
  display:inline-flex;align-items:center;gap:9px;margin-left:auto;
  font-family:var(--font-data);font-size:12px;letter-spacing:.1em;
  color:var(--cyan-soft);white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(43,227,192,.14);
  animation:statusPulse 2.4s var(--ease) infinite;
}
@keyframes statusPulse{0%,100%{opacity:1}50%{opacity:.32}}

/* 移动按钮 */
.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:12px;
  padding:10px 14px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--ink-700);color:var(--paper);
  font-family:var(--font-data);font-size:12px;letter-spacing:.16em;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle-bars{display:grid;gap:4px;width:18px}
.nav-toggle-bars i{display:block;height:2px;background:var(--cyan);transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(6px) rotate(12deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3){transform:translateY(-6px) rotate(-12deg)}

/* 栏目层 */
.site-nav{
  position:relative;
  background:rgba(6,19,15,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.nav-bar{
  display:flex;align-items:center;gap:16px;
  width:min(1440px,100%);margin:0 auto;padding:0 28px;
}
.nav-list{display:flex;flex:1;flex-wrap:wrap;gap:2px}
.nav-item{display:flex}
.nav-link{
  position:relative;display:inline-block;
  padding:14px 16px 13px;
  color:var(--muted);font-size:15px;letter-spacing:.04em;
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--cyan-soft)}
.nav-link[aria-current="page"]{color:var(--paper);border-bottom-color:var(--cyan)}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:1px;
  background:var(--cyan);box-shadow:0 0 12px var(--cyan);
}
.nav-cta{flex:none}

/* 滚动数据进度线 */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;z-index:3;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--cyan-soft) 58%,var(--amber) 100%);
  box-shadow:0 0 14px rgba(43,227,192,.5);
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:linear-gradient(180deg,#06130F 0%,#0C2119 100%);
  border-top:1px solid var(--line);
}
.footer-inner{width:min(1440px,100%);margin:0 auto;padding:56px 28px 36px}
.footer-brand{max-width:60ch;margin-bottom:40px}
.brand--footer .brand-name{font-size:22px}
.footer-tagline{
  margin-top:16px;max-width:52ch;
  font-family:var(--font-head);font-size:var(--step-20);
  line-height:1.6;color:var(--cyan-soft);
}
.footer-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;
  padding-top:32px;border-top:1px solid var(--line);
}
.footer-col{min-width:0}
.footer-title{
  font-family:var(--font-data);font-size:12px;font-weight:400;
  letter-spacing:.26em;color:var(--muted);margin-bottom:16px;
}
.footer-list{display:block}
.footer-list>li{padding:7px 0}
.footer-link{
  display:inline-block;color:var(--muted);font-size:15px;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--cyan-soft);transform:translateX(3px)}
.footer-contact{
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 12px;
  padding:10px 0;border-bottom:1px dashed rgba(62,92,82,.55);
}
.footer-contact .footer-label{
  grid-column:1 / -1;
  font-family:var(--font-data);font-size:11px;letter-spacing:.18em;color:var(--muted);
}
.footer-contact .mono-data{font-size:13px;color:var(--paper);word-break:break-all;min-width:0}
.footer-contact-value{font-size:14px;color:var(--paper);line-height:1.6}
.copy-btn{
  padding:6px 12px;border:1px solid var(--line);border-radius:2px;
  background:transparent;color:var(--cyan-soft);
  font-family:var(--font-data);font-size:11px;letter-spacing:.12em;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.copy-btn:hover{border-color:var(--cyan);color:var(--paper);background:rgba(43,227,192,.08)}
.copy-btn[data-copied="true"]{border-color:var(--cyan);color:var(--cyan);background:rgba(43,227,192,.12)}
.copy-status{
  grid-column:1 / -1;min-height:14px;
  font-family:var(--font-data);font-size:11px;letter-spacing:.14em;color:var(--amber);
}
.footer-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted)}
.footer-meta{margin-bottom:8px;font-size:13px;color:var(--muted);letter-spacing:.06em}
.footer-baseline{
  height:2px;
  background:linear-gradient(90deg,var(--ink-700) 0%,var(--cyan) 30%,var(--cyan-soft) 56%,var(--ink-700) 100%);
  box-shadow:0 0 20px rgba(43,227,192,.4);
}

/* ---------- 7. 布局骨架 ---------- */
.canvas{width:min(1440px,100%);margin:0 auto;padding:0 28px}
.section{padding:72px 0}
.section--band{
  background:linear-gradient(102deg,#0C2119 0%,#0A1B16 52%,#0C2119 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.layout-split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:44px;align-items:start}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.stack>*+*{margin-top:16px}
.rail{position:sticky;top:calc(var(--bar-h) + 20px);align-self:start;display:grid;gap:16px}

/* 章节标记 */
.section-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.section-index{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-data);font-size:12px;letter-spacing:.2em;color:var(--cyan);
}
.section-index::before{
  content:"";width:16px;height:2px;background:var(--cyan);
  transform:skewX(-12deg);box-shadow:0 0 10px rgba(43,227,192,.6);
}
.section-title{font-size:var(--step-40)}
.section-note{margin-left:auto;font-size:14px;color:var(--muted)}
.hairline{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--cyan),rgba(43,227,192,0))}

/* ---------- 8. 正文 ---------- */
.prose{max-width:68ch;font-size:17px;line-height:1.75;color:var(--paper)}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:var(--step-28);margin-top:1.8em}
.prose h3{font-size:var(--step-20);margin-top:1.5em}
.prose p{color:#DCEAE4}
.prose ul{list-style:none}
.prose ul>li{position:relative;padding-left:20px}
.prose ul>li::before{
  content:"";position:absolute;left:0;top:.72em;width:10px;height:2px;
  background:var(--cyan);transform:skewX(-12deg);
}
.prose a{color:var(--cyan-soft);border-bottom:1px solid rgba(124,240,216,.4)}
.prose a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--ink-700);color:var(--paper);font-size:15px;letter-spacing:.04em;
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan);color:var(--cyan-soft)}
.btn--primary{
  background:linear-gradient(120deg,var(--cyan) 0%,#17A88C 100%);
  color:#04140F;border-color:transparent;font-weight:600;
  box-shadow:0 14px 34px -18px rgba(43,227,192,.9);
}
.btn--primary:hover{color:#04140F;border-color:transparent}
.btn--ghost{background:transparent;color:var(--cyan-soft);border-color:var(--line)}
.btn--ghost:hover{background:rgba(43,227,192,.08);color:var(--cyan)}
.btn--sm{padding:8px 16px;font-size:13px}
.btn--cut{clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}

/* ---------- 10. 面包屑 ---------- */
.breadcrumb{padding-top:22px}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;gap:0;
  font-family:var(--font-data);font-size:12px;letter-spacing:.12em;color:var(--muted);
}
.breadcrumb-list>li{display:flex;align-items:center}
.breadcrumb-list>li+li::before{content:"/";margin:0 10px;color:var(--line)}
.breadcrumb-link{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb-link:hover{color:var(--cyan-soft)}
.breadcrumb-current{color:var(--cyan)}

/* ---------- 11. 数据组件 ---------- */
.data-card{
  padding:18px 20px;
  background:linear-gradient(160deg,var(--ink-700) 0%,var(--ink-800) 100%);
  border-left:2px solid var(--cyan);
  border-radius:0 var(--radius) var(--radius) 0;
}
.data-label{
  display:block;
  font-family:var(--font-data);font-size:11px;letter-spacing:.2em;color:var(--muted);
}
.data-value{
  display:block;margin-top:6px;
  font-family:var(--font-data);font-variant-numeric:tabular-nums;
  font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.1;color:var(--orange);
}
.data-value--cyan{color:var(--cyan)}

.panel{
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px);
}

.data-panel{border:1px solid var(--line);background:var(--ink-800);border-radius:var(--radius)}
.data-panel>summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;cursor:pointer;list-style:none;
  font-family:var(--font-data);font-size:13px;letter-spacing:.12em;color:var(--cyan-soft);
}
.data-panel>summary::-webkit-details-marker{display:none}
.data-panel>summary::after{content:"+";color:var(--cyan);font-size:16px;line-height:1}
.data-panel[open]>summary::after{content:"–"}
.data-panel>summary:hover{background:rgba(43,227,192,.06)}
.data-panel-body{padding:0 18px 18px}
.data-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
}
.data-grid>div{background:var(--ink-800);padding:12px 14px;min-width:0}
.data-grid dt,.data-grid .data-label{margin-bottom:4px}
.data-grid dd,.data-grid .data-value{margin:0;font-size:18px;color:var(--paper)}

/* ---------- 12. 图片容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--ink-700) 0%,var(--ink-900) 100%);
  border:1px solid var(--line);border-radius:var(--radius);
}
.media-frame>img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,19,15,.06) 0%,rgba(6,19,15,.42) 58%,rgba(6,19,15,.86) 100%);
}
.media-frame--16-10{aspect-ratio:16/10}
.media-frame--4-3{aspect-ratio:4/3}
.media-frame--3-2{aspect-ratio:3/2}
.media-frame--9-16{aspect-ratio:9/16}
.media-caption{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  font-family:var(--font-data);font-size:11px;letter-spacing:.14em;color:var(--cyan-soft);
}

/* ---------- 13. 标签与筛选 ---------- */
.tag{
  display:inline-block;padding:3px 9px;border:1px solid var(--line);border-radius:2px;
  font-family:var(--font-data);font-size:11px;letter-spacing:.14em;color:var(--amber);
}
.tag--cyan{color:var(--cyan);border-color:rgba(43,227,192,.42)}
.filter-bar{
  display:flex;flex-wrap:wrap;gap:6px;padding:6px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
}
.filter-btn{
  padding:9px 16px;border:1px solid transparent;border-radius:2px;
  background:transparent;color:var(--muted);
  font-family:var(--font-data);font-size:12px;letter-spacing:.14em;cursor:pointer;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.filter-btn:hover{color:var(--cyan-soft)}
.filter-btn[aria-pressed="true"]{
  background:var(--ink-700);border-color:var(--line);color:var(--cyan);
}
.is-filtered-out{display:none !important}

/* ---------- 14. 滚动显现 ---------- */
.reveal{opacity:1;transform:none}
html.has-js .reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
html.has-js .reveal.is-visible{opacity:1;transform:none}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1100px){
  .layout-split{grid-template-columns:1fr;gap:36px}
  .rail{position:static;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:900px){
  :root{--bar-h:96px}
  .header-inner{padding:12px 20px;gap:14px}
  .nav-toggle{display:inline-flex}
  .brand-status{font-size:11px;letter-spacing:.06em}
  .site-nav{display:none;border-top:1px solid var(--line)}
  .site-nav[data-open]{display:block;animation:navIn .28s var(--ease)}
  .nav-bar{flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px}
  .nav-list{flex-direction:column;gap:0}
  .nav-item{width:100%}
  .nav-link{display:block;width:100%;padding:14px 4px;border-bottom:1px solid var(--line);border-left:2px solid transparent}
  .nav-link:hover{padding-left:10px}
  .nav-link[aria-current="page"]{border-bottom-color:var(--line);border-left-color:var(--cyan);color:var(--paper)}
  .nav-link[aria-current="page"]::after{display:none}
  .nav-cta{align-self:flex-start;margin-top:14px}
  .canvas{padding:0 20px}
  .section{padding:52px 0}
  .section-note{margin-left:0;width:100%}
  .footer-inner{padding:44px 20px 28px}
}
@keyframes navIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@media (max-width:600px){
  body{font-size:16px}
  .brand-sub{letter-spacing:.18em}
  .brand-name{font-size:18px}
  .brand-status{display:none}
  .nav-toggle{margin-left:auto}
  .panel{padding:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .data-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}
}

/* ---------- 16. 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.has-js .reveal{opacity:1;transform:none}
  .scroll-progress{transition:none}
}