/* ==========================================================================
   搏综赛场 · 共享样式 /assets/site.css
   夜场数据台：墨绿两级暗面 + 荧光橙指标 + 等宽索引刻度
   ========================================================================== */

/* ---------- 变量 ---------- */
:root{
  --ink:#071A16;
  --board:#0E2A24;
  --zone:#123A32;
  --orange:#FF6A1A;
  --orange-hi:#FF9A4D;
  --teal:#00E0B8;
  --blue:#5B7BE0;
  --steel:#8FA6B8;
  --paper:#F4F7F8;
  --text:#D7E2E8;
  --line:rgba(143,166,184,.24);
  --line-strong:rgba(143,166,184,.48);
  --ink-deep:#08110F;

  --mono:"SFMono-Regular",Menlo,Consolas,"DejaVu Sans Mono","Courier New",monospace;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --fs-1:12px; --fs-2:13px; --fs-3:15px; --fs-4:16px;
  --fs-5:20px; --fs-6:28px; --fs-7:44px; --fs-8:72px;

  --shell:1240px;
  --gutter:clamp(16px,4vw,48px);
  --bar-h:64px;
  --radius:0;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--sans);
  font-size:var(--fs-4);
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,dl,dd,dt,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
b,strong{font-weight:700}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
[id]{scroll-margin-top:96px}

:focus-visible{outline:2px solid var(--orange);outline-offset:3px}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:0;left:50%;z-index:300;
  transform:translate(-50%,-140%);
  display:inline-block;
  padding:10px 20px;
  background:var(--orange);color:var(--ink-deep);
  font-family:var(--mono);font-size:var(--fs-1);font-weight:700;letter-spacing:.08em;
  transition:transform .18s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

/* ==========================================================================
   命令行头部
   ========================================================================== */
.cmd-bar{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(7,26,22,.99),rgba(7,26,22,.9));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.cmd-bar__inner{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--bar-h);
  display:flex;align-items:center;
  gap:clamp(10px,2vw,28px);
  transition:min-height .22s ease;
}
.cmd-bar[data-narrow] .cmd-bar__inner{min-height:52px}
.cmd-bar[data-narrow] .brand__tag{opacity:0}
.cmd-bar[data-narrow] .cmd-bar__index{opacity:.6}

.cmd-bar__brand{display:flex;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-wrap:nowrap}
.brand__name{
  position:relative;
  font-size:17px;font-weight:700;letter-spacing:.04em;
  color:var(--paper);white-space:nowrap;
}
.brand__name::before{
  content:"";display:inline-block;
  width:4px;height:15px;margin-right:10px;
  background:var(--orange);
  transform:skewX(-12deg) translateY(2px);
}
.brand__tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:var(--steel);white-space:nowrap;
  transition:opacity .22s ease;
}
.cmd-bar__index{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  color:var(--steel);white-space:nowrap;
  transition:opacity .22s ease;
}
.cmd-bar__index b{color:var(--orange);font-weight:700}

/* 导航 */
.cmd-nav{flex:1;display:flex;justify-content:center;min-width:0}
.cmd-nav__list{display:flex;align-items:center;gap:clamp(2px,1.1vw,18px)}
.cmd-nav__list a{
  position:relative;
  display:inline-flex;align-items:baseline;gap:6px;
  padding:9px 5px;
  font-size:14px;color:var(--steel);
  transition:color .18s ease;
  white-space:nowrap;
}
.cmd-nav__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:transparent;
  transform:scaleX(.25);transform-origin:left center;
  transition:transform .22s ease,background-color .22s ease;
}
.cmd-nav__list a:hover{color:var(--text)}
.cmd-nav__list a:hover::after{background:var(--line-strong);transform:scaleX(1)}
.cmd-nav__list a[aria-current="page"]{color:var(--paper)}
.cmd-nav__list a[aria-current="page"]::after{background:var(--orange);transform:scaleX(1)}
.cmd-nav__num{
  font-family:var(--mono);font-size:10px;letter-spacing:.04em;
  color:var(--steel);
}
.cmd-nav__list a[aria-current="page"] .cmd-nav__num{color:var(--orange)}
.cmd-nav__tx{white-space:nowrap}

/* 右侧动作 */
.cmd-bar__actions{display:flex;align-items:center;gap:14px}
.sync-dot{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  color:var(--steel);white-space:nowrap;
}
.sync-dot__pulse{
  width:7px;height:7px;border-radius:50%;
  background:var(--teal);
  animation:syncPing 2.6s ease-out infinite;
}
@keyframes syncPing{
  0%{box-shadow:0 0 0 0 rgba(0,224,184,.55)}
  70%{box-shadow:0 0 0 8px rgba(0,224,184,0)}
  100%{box-shadow:0 0 0 0 rgba(0,224,184,0)}
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;gap:9px;
  padding:8px 12px;
  border:1px solid var(--line-strong);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  color:var(--text);
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--teal);color:var(--teal)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--orange)}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--orange);
  transition:transform .2s ease,top .2s ease,background-color .2s ease;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* 滚动进度 */
.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent}
.scroll-meter__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--teal),var(--orange));
  transition:width .12s linear;
}

/* ==========================================================================
   通用按钮
   ========================================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--paper);
  font-family:var(--mono);font-size:var(--fs-1);font-weight:700;letter-spacing:.06em;
  white-space:nowrap;
  transition:transform .16s ease,border-color .16s ease,background-color .16s ease,color .16s ease,box-shadow .16s ease;
}
.btn--primary{
  background:var(--orange);border-color:var(--orange);color:var(--ink-deep);
}
.btn--primary:hover{
  background:var(--orange-hi);border-color:var(--orange-hi);
  transform:translate(2px,-2px);
  box-shadow:-2px 2px 0 rgba(255,154,77,.35);
}
.btn--ghost:hover{
  border-color:var(--teal);color:var(--teal);
  transform:translate(2px,-2px);
  box-shadow:-2px 2px 0 rgba(0,224,184,.22);
}

/* ==========================================================================
   内容容器与排版
   ========================================================================== */
.wrap{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:880px}

.section{padding-block:clamp(40px,6vw,88px)}
.band{padding-block:clamp(44px,6vw,92px);position:relative}
.band--board{background:var(--board);border-block:1px solid var(--line)}
.band--paper{background:var(--paper);color:#35454C}
.band--paper :is(h1,h2,h3,h4){color:#071A16}
.band--paper .muted,
.band--paper .annot{color:#5A6E76}
.band--paper .rule{background:rgba(11,31,26,.14)}
.band--paper .eyebrow{color:#0A7A68}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  color:var(--teal);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--teal)}

.h-display{
  font-size:clamp(34px,6vw,72px);line-height:1.03;
  font-weight:700;letter-spacing:-.02em;color:var(--paper);
}
.h-section{
  font-size:clamp(24px,3.4vw,44px);line-height:1.12;
  font-weight:700;letter-spacing:-.02em;color:var(--paper);
}
.h-sub{
  font-size:clamp(18px,2vw,28px);line-height:1.28;
  font-weight:700;letter-spacing:-.01em;color:var(--paper);
}
.lede{font-size:clamp(15px,1.15vw,17px);color:var(--text);max-width:40em}
.muted{color:var(--steel)}
.annot{
  font-size:12.5px;line-height:1.75;font-style:italic;
  color:var(--steel);max-width:38em;
}
.rule{height:1px;border:0;background:var(--line);margin:clamp(26px,4vw,52px) 0}
.stack>*+*{margin-top:var(--stack-gap,14px)}

/* 栅格 */
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--split{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);align-items:start}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--diag{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

/* ==========================================================================
   面包屑
   ========================================================================== */
.crumbs{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  color:var(--steel);margin-bottom:clamp(16px,2.4vw,28px);
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line-strong)}
.crumbs a{color:var(--steel);border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.crumbs a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.crumbs [aria-current="page"]{color:var(--text)}

/* ==========================================================================
   数据卡与指标
   ========================================================================== */
.card{
  position:relative;
  background:var(--board);
  border:1px solid var(--line);
  padding:clamp(18px,2.2vw,28px);
  transition:border-color .2s ease,background-color .2s ease;
}
.card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--zone);
  transition:background-color .2s ease;
}
.card::after{
  content:"";position:absolute;top:0;right:0;width:16px;height:16px;
  background:linear-gradient(225deg,var(--orange) 0 50%,transparent 50%);
  opacity:0;transition:opacity .2s ease;
}
.card:hover{border-color:var(--line-strong);background:var(--zone)}
.card:hover::before{background:var(--orange)}
.card:hover::after{opacity:1}
.card__title{font-size:17px;font-weight:700;color:var(--paper);line-height:1.5}
.card__meta{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--steel);
}

.kpi{display:flex;flex-direction:column;gap:4px}
.kpi__num{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(28px,3.6vw,44px);line-height:1;
  letter-spacing:-.02em;color:var(--orange);
  font-variant-numeric:tabular-nums;
}
.kpi__label{font-size:13px;color:var(--steel);line-height:1.6}
.reveal.is-visible .kpi__num{animation:numTick .5s ease-out both}
@keyframes numTick{
  0%{transform:translateY(6px);opacity:.35}
  60%{transform:translateY(-2px);opacity:1}
  100%{transform:none;opacity:1}
}

/* ==========================================================================
   章节索引
   ========================================================================== */
.chapter-rail{
  position:sticky;top:88px;
  border-left:1px solid var(--line);
  padding-left:16px;
  display:grid;gap:2px;
}
.chapter-rail a{
  display:block;padding:7px 0;
  font-size:13px;color:var(--steel);
  transition:color .18s ease;
}
.chapter-rail a::before{
  content:"";display:inline-block;width:10px;height:1px;
  background:var(--line-strong);margin-right:10px;vertical-align:middle;
  transition:width .2s ease,background-color .2s ease;
}
.chapter-rail a:hover{color:var(--text)}
.chapter-rail a.is-active{color:var(--orange)}
.chapter-rail a.is-active::before{width:22px;background:var(--orange)}

/* ==========================================================================
   图片容器
   ========================================================================== */
.media-frame{
  position:relative;overflow:hidden;
  background:var(--board);
  border:1px solid var(--line);
}
.media-frame::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:32px 32px;
  opacity:.4;
}
.media-frame img,
.media-frame svg,
.media-frame video{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--21x9{aspect-ratio:21/9}
.media-frame__cap{
  position:absolute;left:0;bottom:0;z-index:3;
  padding:6px 12px;
  background:rgba(7,26,22,.84);
  border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--text);
}
.media-frame__ph{
  position:absolute;inset:0;z-index:3;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--steel);
  text-align:center;padding:16px;
}

/* ==========================================================================
   对照表
   ========================================================================== */
.data-table{width:100%;font-size:14px}
.data-table caption{
  text-align:left;padding-bottom:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--steel);
}
.data-table th,.data-table td{
  text-align:left;padding:11px 14px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.data-table thead th{
  background:var(--zone);
  border-bottom:1px solid var(--line-strong);
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--steel);
  white-space:nowrap;
}
.data-table tbody tr{transition:background-color .16s ease}
.data-table tbody tr:hover{background:rgba(18,58,50,.6)}
.data-table td.num{
  font-family:var(--mono);font-weight:700;color:var(--orange);
  font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;
}
.data-table td.alt{color:var(--blue)}

/* ==========================================================================
   过滤芯片与折叠面板
   ========================================================================== */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;
  border:1px solid var(--line-strong);
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--steel);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.chip:hover{color:var(--paper);border-color:var(--teal)}
.chip[aria-pressed="true"]{
  background:var(--orange);border-color:var(--orange);
  color:var(--ink-deep);font-weight:700;
}

.fold{border-top:1px solid var(--line)}
.fold:last-of-type{border-bottom:1px solid var(--line)}
.fold summary{
  display:flex;gap:14px;align-items:baseline;
  padding:16px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;color:var(--paper);
  transition:color .18s ease;
}
.fold summary::-webkit-details-marker{display:none}
.fold summary::before{
  content:"+";font-family:var(--mono);font-weight:700;color:var(--orange);
  flex:0 0 auto;
}
.fold[open] summary::before{content:"–"}
.fold summary:hover{color:var(--orange-hi)}

/* ==========================================================================
   显现动效
   ========================================================================== */
.reveal{opacity:1}
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.js .reveal.is-visible{opacity:1;transform:none}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-foot{
  position:relative;
  background:var(--ink);
  border-top:1px solid var(--line);
  color:var(--text);
}
.site-foot::before{
  content:"";position:absolute;top:0;left:0;width:clamp(80px,14vw,220px);height:3px;
  background:linear-gradient(90deg,var(--orange),var(--teal));
}
.site-foot__inner{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:clamp(44px,6vw,76px) var(--gutter) 28px;
}
.site-foot__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:clamp(24px,3vw,48px);
}
.foot-block{min-width:0}
.foot-block__title{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--steel);text-transform:uppercase;
  padding-bottom:10px;margin-bottom:16px;
  border-bottom:1px solid var(--line);
}
.foot-brand{
  font-size:20px;font-weight:700;letter-spacing:.04em;color:var(--paper);
  display:flex;align-items:center;
}
.foot-brand::before{
  content:"";display:inline-block;width:4px;height:16px;
  background:var(--orange);margin-right:10px;
  transform:skewX(-12deg);
}
.foot-desc{margin-top:12px;font-size:14px;color:var(--steel);max-width:34em}
.foot-contact{margin-top:18px;display:grid;gap:9px;font-size:14px}
.foot-contact>div{display:grid;grid-template-columns:72px minmax(0,1fr);gap:10px;align-items:baseline}
.foot-contact dt{
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--steel);
}
.foot-contact dd{color:var(--text);word-break:break-word;line-height:1.7}
.foot-note{
  margin-top:12px;font-size:12.5px;line-height:1.75;
  font-style:italic;color:var(--steel);max-width:34em;
}
.foot-links{display:grid;gap:9px;font-size:14px}
.foot-links a{
  color:var(--text);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .16s ease,border-color .16s ease;
}
.foot-links a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.foot-spec{display:grid;gap:8px;font-size:13px}
.foot-spec li{
  display:flex;justify-content:space-between;gap:12px;
  padding-bottom:6px;border-bottom:1px dashed var(--line);
}
.foot-spec__k{font-family:var(--mono);font-weight:700;letter-spacing:.08em;color:var(--orange)}
.foot-spec__v{color:var(--steel)}

.site-foot__base{
  margin-top:clamp(32px,4.5vw,60px);
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--steel);
}
.site-foot__copy{margin-right:auto}
.site-foot__icp{margin-right:auto}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border:1px solid var(--line-strong);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--text);
  transition:color .16s ease,border-color .16s ease,transform .16s ease;
}
.to-top::before{content:"↑";font-size:13px;line-height:1}
.to-top:hover{color:var(--orange);border-color:var(--orange);transform:translateY(-2px)}

/* ==========================================================================
   断点
   ========================================================================== */
@media (max-width:1180px){
  .brand__tag{opacity:0}
  .cmd-bar__index{display:none}
}
@media (max-width:1080px){
  .sync-dot{display:none}
}
@media (max-width:1024px){
  .cmd-bar__inner{flex-wrap:wrap;row-gap:0;padding-block:0}
  .cmd-bar__brand{order:1}
  .cmd-bar__actions{order:2;margin-left:auto}
  .nav-toggle{order:3;display:inline-flex;margin-left:12px}
  .cmd-nav{
    order:4;flex:1 0 100%;
    display:none;
    justify-content:flex-start;
    padding-bottom:6px;
  }
  .cmd-nav[data-open]{display:block}
  .cmd-nav__list{
    flex-direction:column;align-items:stretch;gap:0;
    padding-top:6px;
  }
  .cmd-nav__list a{
    padding:13px 6px;gap:14px;
    font-size:15px;color:var(--text);
    border-top:1px solid var(--line);
  }
  .cmd-nav__list a::after{display:none}
  .cmd-nav__list a[aria-current="page"]{color:var(--orange)}
  .cmd-nav__num{width:26px;flex:0 0 auto}

  .site-foot__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--split{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chapter-rail{position:static;border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:12px}
}
@media (max-width:680px){
  body{font-size:15px}
  .cmd-bar__inner{min-height:56px}
  .cmd-bar[data-narrow] .cmd-bar__inner{min-height:48px}
  .brand__name{font-size:16px}
  .cmd-bar__actions .btn{padding:7px 11px;font-size:11px;letter-spacing:.04em}
  .nav-toggle{padding:7px 10px}
  .nav-toggle__label{display:none}
  .site-foot__grid{grid-template-columns:1fr;gap:28px}
  .grid--2,.grid--3,.grid--diag{grid-template-columns:1fr}
  .site-foot__base{flex-direction:column;align-items:flex-start;gap:10px}
  .site-foot__copy,.site-foot__icp{margin-right:0}
  .to-top{margin-top:4px}
  .foot-contact>div{grid-template-columns:64px minmax(0,1fr)}
}
@media (max-width:420px){
  .cmd-bar__actions .btn{font-size:10px;padding:7px 9px}
  .h-display{font-size:clamp(30px,9vw,44px)}
}

/* ==========================================================================
   动效降级
   ========================================================================== */
@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;
  }
  .js .reveal{opacity:1;transform:none}
  .reveal.is-visible .kpi__num{animation:none}
  .btn--primary:hover,
  .btn--ghost:hover,
  .card:hover,
  .to-top:hover{transform:none}
}