/* =========================================================
   亚博体育 · 共享样式表 /assets/site.css
   夜场指挥中心：墨绿底 + 炭黑轨道 + 青柠锚点 + 信号橙状态
   ========================================================= */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#04140F;
  --charcoal:#0D1110;
  --graphite:#1A2320;
  --mist:#F2F6F4;
  --gray:#9AA8A3;
  --lime:#B8FF3C;
  --orange:#FF6A2B;
  --teal:#35D0C0;
  --line:#263230;
  --glass:rgba(255,255,255,.12);
  --glass-strong:rgba(13,17,16,.88);
  --rail-w:96px;
  --header-h:76px;
  --shell:1240px;
  --gutter:clamp(16px,4vw,56px);
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"Oswald","Barlow Condensed","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  font-weight:400;
  letter-spacing:.01em;
  padding-left:var(--rail-w);
  padding-top:var(--header-h);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.16;letter-spacing:.005em}
h1{font-size:clamp(30px,5vw,54px)}
h2{font-size:clamp(24px,3.4vw,40px)}
h3{font-size:clamp(19px,2.2vw,25px)}
p{max-width:74ch}
strong{color:var(--mist);font-weight:700}
::selection{background:var(--lime);color:#06170F}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
#main-content{scroll-margin-top:var(--header-h)}
[data-section]{scroll-margin-top:calc(var(--header-h) + 28px)}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:6px;left:calc(var(--rail-w) + 10px);z-index:200;
  transform:translateY(-200%);
  padding:10px 18px;background:var(--lime);color:#06170F;
  font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.08em;
  border-radius:var(--radius);transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. 页头：品牌轨道 ---------- */
.site-header{position:relative;z-index:80}
.brand-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:90;
  display:flex;flex-direction:column;align-items:center;
  padding:20px 0 18px;
  background:var(--charcoal);
  background-image:linear-gradient(180deg,rgba(184,255,60,.07),rgba(184,255,60,0) 34%);
  border-right:1px solid var(--line);
}
.rail-mark{display:flex;flex-direction:column;align-items:center;gap:16px;padding:4px}
.rail-mark__glyph{
  display:grid;place-items:center;width:38px;height:38px;
  border:1px solid var(--lime);color:var(--lime);
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.06em;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.rail-mark__text{
  writing-mode:vertical-rl;font-family:var(--font-display);font-weight:700;
  font-size:16px;letter-spacing:.32em;color:var(--mist);
  transition:color .25s var(--ease);
}
.rail-mark:hover .rail-mark__glyph,.rail-mark:focus-visible .rail-mark__glyph{background:var(--lime);color:var(--charcoal)}
.rail-mark:hover .rail-mark__text{color:var(--lime)}
.rail-sections{
  flex:1;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:18px 0;
}
.rail-sections:empty{display:none}
.rail-sections__item{position:relative;display:grid;place-items:center;width:100%;padding:6px 0}
.rail-sections__tick{
  display:block;width:20px;height:2px;background:var(--line);
  transition:width .3s var(--ease),background .3s var(--ease);
}
.rail-sections__item:hover .rail-sections__tick{background:var(--gray);width:28px}
.rail-sections__item[aria-current="true"] .rail-sections__tick{background:var(--lime);width:36px}
.rail-sections__label{
  position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);
  white-space:nowrap;padding:4px 10px;z-index:5;
  background:var(--charcoal);border:1px solid var(--line);
  font-size:12px;letter-spacing:.04em;color:var(--mist);
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease);
}
.rail-sections__item:hover .rail-sections__label,
.rail-sections__item:focus-visible .rail-sections__label{opacity:1}
.rail-meta{display:flex;flex-direction:column;align-items:center;gap:10px}
.rail-version{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--gray)}
.rail-meta__note{font-family:var(--font-mono);font-size:9px;letter-spacing:.2em;color:var(--orange)}
.pulse-dot{
  display:inline-block;flex:none;width:7px;height:7px;border-radius:50%;
  background:var(--orange);animation:dot-pulse 2.4s var(--ease) infinite;
}
@keyframes dot-pulse{
  0%{box-shadow:0 0 0 0 rgba(255,106,43,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,106,43,0)}
  100%{box-shadow:0 0 0 0 rgba(255,106,43,0)}
}

/* ---------- 6. 页头：叠加导航 ---------- */
.nav-shell{
  position:fixed;top:0;left:var(--rail-w);right:0;height:var(--header-h);z-index:80;
  display:flex;align-items:center;gap:clamp(14px,2.6vw,40px);
  padding:0 var(--gutter);
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease);
}
.site-header[data-scrolled] .nav-shell,
.site-header[data-nav-open] .nav-shell{
  background:var(--glass-strong);
  border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.nav-masthead{
  display:flex;flex-direction:column;line-height:1.25;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;
  color:var(--gray);text-transform:uppercase;white-space:nowrap;
}
.nav-masthead b{
  font-family:var(--font-display);font-weight:700;font-size:15px;
  letter-spacing:.14em;color:var(--mist);text-transform:none;
}
.site-nav{display:flex;align-items:center;gap:clamp(12px,2vw,28px);margin-left:auto}
.site-nav__list{display:flex;align-items:center;gap:clamp(10px,1.6vw,24px)}
.site-nav__link{
  position:relative;display:inline-block;padding:10px 2px;
  font-size:15px;font-weight:500;color:var(--mist);white-space:nowrap;
  transition:color .22s var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:100%;bottom:6px;height:2px;
  background:var(--lime);transition:right .28s var(--ease);
}
.site-nav__link:hover{color:var(--lime)}
.site-nav__link:hover::after{right:0}
.site-nav__link[aria-current="page"]{color:var(--lime)}
.site-nav__link[aria-current="page"]::after{right:0}
.site-nav__utility{
  display:flex;align-items:center;gap:10px;
  padding-left:clamp(10px,1.6vw,22px);border-left:1px solid var(--line);
}
.util-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border:1px solid var(--line);border-radius:var(--radius);
  font-size:13px;color:var(--gray);white-space:nowrap;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.util-link:hover{color:var(--mist);border-color:var(--gray)}
.util-link__icon{font-size:11px;line-height:1;color:var(--lime)}
.util-count{
  font-family:var(--font-mono);font-size:11px;line-height:18px;
  min-width:20px;padding:0 5px;text-align:center;
  background:var(--lime);color:#06170F;
}
.util-link--live{color:var(--mist);border-color:rgba(255,106,43,.45)}
.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 13px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--mist);
}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:var(--lime);transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle__text{white-space:nowrap}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.read-progress{position:fixed;top:0;left:var(--rail-w);right:0;height:2px;z-index:100;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:var(--lime)}

/* ---------- 7. 页脚 ---------- */
.site-footer{position:relative;background:var(--charcoal);border-top:1px solid var(--line)}
.footer-shell{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);
  gap:clamp(28px,5vw,80px);
  padding-block:clamp(42px,6vw,78px);
}
.footer-title{
  display:flex;align-items:center;gap:10px;margin-bottom:20px;
  font-family:var(--font-mono);font-size:11px;font-weight:400;
  letter-spacing:.26em;text-transform:uppercase;color:var(--gray);
}
.footer-title::before{content:"";width:18px;height:2px;background:var(--lime)}
.footer-lines__list{display:grid;gap:2px}
.footer-line{
  display:flex;align-items:center;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:500;color:var(--mist);
  transition:color .25s var(--ease);
}
.footer-line__num{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--gray);transition:color .25s var(--ease);
}
.footer-line:hover{color:var(--lime)}
.footer-line:hover .footer-line__num{color:var(--lime)}
.footer-brand__mark{font-family:var(--font-display);font-weight:700;font-size:clamp(24px,3vw,34px);letter-spacing:.06em;line-height:1.2}
.footer-brand__domain{margin-top:6px;font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--teal)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin:22px 0 18px;font-size:14px;color:var(--gray)}
.footer-links a{padding-bottom:2px;border-bottom:1px solid transparent;transition:color .22s var(--ease),border-color .22s var(--ease)}
.footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-contact{font-size:14px;line-height:1.9;color:var(--gray);max-width:52ch}
.footer-feedback{background:var(--graphite);border-top:1px solid var(--line);transition:background .5s var(--ease),box-shadow .5s var(--ease)}
.footer-feedback__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding-block:22px}
.footer-feedback__text{font-size:15px;color:var(--gray);max-width:60ch}
.footer-feedback__text strong{color:var(--mist)}
.footer-feedback[data-lit]{background:rgba(184,255,60,.07);box-shadow:inset 4px 0 0 var(--lime)}
.footer-legal{border-top:1px solid var(--line)}
.footer-legal__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding-block:18px}
.footer-legal__icp,.footer-legal__copy{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--gray);max-width:none}

/* ---------- 8. 通用容器与网格 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.page-shell{width:100%;max-width:var(--shell);margin-inline:auto;padding:clamp(26px,4vw,58px) var(--gutter) clamp(56px,8vw,110px)}
.section{padding-block:clamp(34px,5.6vw,80px)}
.section + .section{border-top:1px solid var(--line)}
.section__head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(20px,3vw,36px)}
.section__kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--gray);
}
.section__kicker::before{content:"";width:18px;height:2px;background:var(--lime)}
.section__title{font-size:clamp(26px,4vw,44px)}
.section__lead{font-size:17px;color:var(--gray);max-width:64ch}
.band{padding-block:clamp(36px,6vw,80px);background:var(--charcoal);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band--graphite{background:var(--graphite)}
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:minmax(0,7fr) minmax(0,4fr)}
.stack{display:flex;flex-direction:column;gap:clamp(12px,1.6vw,20px)}
.hairline{height:1px;border:0;background:var(--line)}
.mono{font-family:var(--font-mono);letter-spacing:.06em}
.note{font-size:13px;line-height:1.75;color:var(--gray);max-width:64ch}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb{padding-block:14px;border-bottom:1px solid var(--line)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--gray)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:10px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line)}
.breadcrumb__link{color:var(--gray);transition:color .22s var(--ease)}
.breadcrumb__link:hover{color:var(--lime)}

/* ---------- 10. 基础组件 ---------- */
.label-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gray);
}
.label-tag::before{content:"";width:16px;height:2px;background:var(--lime)}
.plate{
  position:relative;padding:clamp(18px,2.4vw,28px);
  background:var(--graphite);border:1px solid var(--line);border-radius:var(--radius);
}
.plate--glass{
  background:var(--glass);border-color:rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.plate__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);
}
.data-figure{
  font-family:var(--font-mono);font-weight:700;line-height:.92;
  font-size:clamp(44px,9vw,132px);letter-spacing:-.02em;color:var(--lime);
}
.data-figure--mist{color:var(--mist)}
.data-figure__unit{font-size:.3em;letter-spacing:.1em;color:var(--gray);margin-left:.4em}
.data-bar{display:flex;height:10px;background:var(--graphite);border:1px solid var(--line);overflow:hidden}
.data-bar__fill{background:var(--lime)}
.data-bar__fill--alt{background:var(--teal)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;border:1px solid var(--line);border-radius:var(--radius);
  font-size:15px;font-weight:500;color:var(--mist);background:transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:hover{border-color:var(--gray)}
.btn--primary{background:var(--lime);border-color:var(--lime);color:#06170F;font-weight:700}
.btn--primary:hover{background:#cbff70;border-color:#cbff70;color:#06170F}
.btn--ghost{border-color:var(--lime);color:var(--lime)}
.btn--ghost:hover{background:rgba(184,255,60,.1);border-color:var(--lime)}

/* ---------- 11. 图片容器（页面阶段放置占位图） ---------- */
.media-frame{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--graphite)}
.media-frame::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 18% 8%,rgba(53,208,192,.20),rgba(53,208,192,0) 60%),
    radial-gradient(90% 80% at 86% 84%,rgba(184,255,60,.16),rgba(184,255,60,0) 65%),
    var(--graphite);
}
.media-frame > img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:21/9}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px 16px 12px;font-size:13px;color:var(--mist);
  background:linear-gradient(to top,rgba(4,20,15,.92),rgba(4,20,15,0));
}
.media-frame__tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 10px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);
  background:var(--glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--mist);
}

/* ---------- 12. 数据协议组件 ---------- */
[data-watch-toggle]{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius);
  font-size:13px;color:var(--gray);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
[data-watch-toggle]::before{content:"";width:8px;height:8px;border-radius:50%;border:1px solid currentColor}
[data-watch-toggle]:hover{color:var(--mist);border-color:var(--gray)}
[data-watch-toggle][aria-pressed="true"]{color:var(--lime);border-color:var(--lime);background:rgba(184,255,60,.08)}
[data-watch-toggle][aria-pressed="true"]::before{background:var(--lime);border-color:var(--lime)}

/* ---------- 13. 平板 ---------- */
@media (max-width:1180px){
  .nav-masthead span{display:none}
  .site-nav__link{font-size:14px}
}

/* ---------- 14. 移动 / 窄屏导航 ---------- */
@media (max-width:980px){
  :root{--rail-w:56px;--header-h:60px}
  .brand-rail{padding:14px 0 12px}
  .rail-mark{gap:12px}
  .rail-mark__glyph{width:30px;height:30px;font-size:10px}
  .rail-mark__text{font-size:13px;letter-spacing:.24em}
  .rail-version{font-size:9px}
  .rail-meta__note{display:none}
  .rail-sections{gap:12px}
  .rail-sections__label{display:none}
  .nav-masthead{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-nav{
    position:fixed;top:var(--header-h);left:var(--rail-w);right:0;
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    padding:6px var(--gutter) 24px;
    background:var(--glass-strong);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s linear;
  }
  .site-nav[data-open]{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{display:block;padding:15px 0;font-size:17px;border-bottom:1px solid var(--line)}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]::before{
    content:"";display:inline-block;width:16px;height:2px;
    margin-right:10px;vertical-align:middle;background:var(--lime);
  }
  .site-nav__utility{flex-wrap:wrap;border-left:0;padding-left:0;margin:18px 0 0;gap:12px}
  .grid--2,.grid--3,.grid--asym{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 15. 小屏 ---------- */
@media (max-width:860px){
  .footer-shell{grid-template-columns:minmax(0,1fr);gap:34px}
  .footer-legal__inner{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .footer-feedback__inner{flex-direction:column;align-items:flex-start}
  .footer-feedback__inner .btn{width:100%}
  .util-link{padding:6px 10px;font-size:12px}
  .util-count{font-size:10px;min-width:18px}
}

/* ---------- 16. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .rail-sections__label{transition:none}
}