/* ============================================================
   微玩赛场 · 共享样式 /assets/site.css
   奶油纸底 + 发丝线框架 + 草原夜场绿 + 信号橙
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --green:#0E3B2E;
  --green-deep:#0A2A20;
  --orange:#FF6B2C;
  --orange-deep:#D8430F;
  --paper:#F4EFE3;
  --paper-2:#E8DFC9;
  --blue:#5B7C99;
  --ink:#1C1A17;
  --ink-2:#6B6257;
  --mint:#B9D8C6;
  --peach:#FBD9C8;

  --line:rgba(14,59,46,.16);
  --line-mid:rgba(14,59,46,.32);
  --line-strong:rgba(14,59,46,.55);
  --line-paper:rgba(244,239,227,.18);

  --rail:0px;
  --strip-h:30px;
  --gutter:20px;

  --fs-display:clamp(40px,7vw,88px);
  --fs-h1:clamp(30px,4vw,44px);
  --fs-h2:clamp(22px,2.6vw,30px);
  --fs-h3:20px;

  --sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,Consolas,monospace;

  --shadow-float:0 1px 0 rgba(28,26,23,.05),0 14px 30px -22px rgba(10,42,32,.75);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. reset / 基础 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  padding-left:var(--rail);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(14,59,46,.045) 0 1px,transparent 1px 72px);
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
html::after{
  content:"";position:fixed;inset:0;z-index:60;pointer-events:none;
  border:1px solid rgba(14,59,46,.18);
}
h1,h2,h3,h4{margin:0;line-height:1.15;font-weight:800;letter-spacing:-.01em;}
h1{font-size:var(--fs-h1);}
h2{font-size:var(--fs-h2);}
h3{font-size:var(--fs-h3);}
p{margin:0;}
a{color:var(--green);text-underline-offset:.18em;}
a:hover{color:var(--orange-deep);}
img,svg{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
main{display:block;}
main [id]{scroll-margin-top:calc(var(--strip-h) + 80px);}
:focus-visible{outline:2px solid var(--orange-deep);outline-offset:3px;}

/* ---------- 3. 通用件 ---------- */
.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(28px,4vw,56px);}
.rule{height:1px;margin:0;border:0;background:var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font:600 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;
  color:var(--orange-deep);
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--orange-deep);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:2px;
  font:700 14px/1 var(--sans);text-decoration:none;cursor:pointer;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease);
}
.btn--primary{background:var(--orange);color:var(--green-deep);border-color:var(--orange-deep);}
.btn--primary:hover{background:var(--orange-deep);color:var(--paper);}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--line-strong);}
.btn--ghost:hover{background:var(--paper-2);border-color:var(--green);color:var(--green);}
.btn--quiet{background:var(--green);color:var(--paper);border-color:var(--green-deep);}
.btn--quiet:hover{background:var(--green-deep);color:var(--paper);}

/* 面包屑 */
.breadcrumb{font:11px/1.5 var(--mono);letter-spacing:.08em;color:var(--ink-2);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--line-strong);}
.breadcrumb a{color:var(--ink-2);text-decoration:none;}
.breadcrumb a:hover{color:var(--orange-deep);}
.breadcrumb [aria-current="page"]{color:var(--ink);}

/* 长文 */
.prose{max-width:68ch;font-size:16px;line-height:1.72;}
.prose > * + *{margin-top:1em;}
.prose h2{margin-top:1.8em;padding-top:.62em;border-top:1px solid var(--line);}
.prose h3{margin-top:1.4em;}
.prose ul{display:flex;flex-direction:column;gap:.4em;}
.prose ul li{position:relative;padding-left:18px;}
.prose ul li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;background:var(--orange);}
.prose blockquote{margin:0;padding:14px 18px;background:var(--peach);border-left:3px solid var(--orange);font-size:15px;}
.prose strong{font-weight:800;}

/* 网格 */
.grid{display:grid;gap:20px;grid-template-columns:1fr;}
.grid--2,.grid--3{grid-template-columns:1fr;}
.split{display:grid;gap:24px;grid-template-columns:1fr;}

/* 图片容器基础规则 */
.media{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:2px;
  background:var(--paper-2);aspect-ratio:4/3;
}
.media img,.media video{width:100%;height:100%;object-fit:cover;}
.media--wide{aspect-ratio:16/9;}
.media--tall{aspect-ratio:3/4;}
.media--square{aspect-ratio:1/1;}
.media__tag{
  position:absolute;left:0;bottom:0;padding:5px 9px;
  background:var(--green-deep);color:var(--paper);
  font:500 10px/1 var(--mono);letter-spacing:.1em;
}

/* 章节轨道 */
.toc{font-size:13px;}
.toc ol,.toc ul{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.toc a{
  display:block;padding:7px 12px;margin-left:-1px;
  color:var(--ink-2);text-decoration:none;border-left:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.toc a:hover{color:var(--green);background:var(--paper-2);}
.toc a.is-current{
  color:var(--green);font-weight:800;border-left-color:var(--orange);
  background:linear-gradient(90deg,rgba(255,107,44,.14),transparent 78%);
}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:3px 7px;border-radius:2px;
  border:1px solid var(--line-mid);background:var(--paper);color:var(--ink-2);
  font:600 10px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;
}
.tag--signal{background:var(--peach);border-color:var(--orange);color:var(--orange-deep);}
.tag--ok{background:var(--mint);border-color:rgba(14,59,46,.35);color:var(--green);}
.tag--data{background:var(--blue);border-color:var(--blue);color:#fff;}

/* ---------- 4. skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  padding:10px 16px;border:1px solid var(--orange);border-radius:2px;
  background:var(--green-deep);color:var(--paper);
  font:600 13px/1.4 var(--sans);text-decoration:none;
  transform:translateY(-220%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:var(--paper);}

/* ---------- 5. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line-strong);
}

/* 比分带 */
.score-strip{
  position:relative;display:flex;align-items:stretch;
  height:var(--strip-h);overflow:hidden;
  background:var(--green-deep);color:var(--paper);
  border-bottom:1px solid rgba(244,239,227,.1);
}
.score-strip__tag{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  padding:0 10px;background:rgba(255,107,44,.16);
  border-right:1px solid var(--line-paper);
  font:600 10.5px/1 var(--mono);letter-spacing:.12em;color:var(--paper);
}
.live-dot{
  width:6px;height:6px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 2px rgba(255,107,44,.28);
}
.score-strip__track{
  flex:1 1 auto;min-width:0;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 20px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 20px),transparent 100%);
}
.score-strip__track::-webkit-scrollbar{display:none;}
.score-strip__list{display:flex;align-items:stretch;height:100%;white-space:nowrap;}
.score-item{
  display:inline-flex;align-items:center;gap:7px;padding:0 14px;
  border-right:1px solid var(--line-paper);
  font:500 11.5px/1 var(--mono);color:rgba(244,239,227,.78);
}
.score-item__team{color:rgba(244,239,227,.88);}
.score-item__score{
  color:var(--paper);font-weight:700;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.score-item__sep{color:rgba(244,239,227,.45);margin:0 1px;}
.score-item__state{color:rgba(244,239,227,.55);}
.score-item--live .score-item__score{color:var(--orange);}

/* 滚动进度 */
.scroll-progress{position:absolute;left:0;right:0;bottom:0;height:2px;pointer-events:none;}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  background:var(--orange);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .12s linear;
}

/* 品牌行 */
.header-bar{
  display:flex;align-items:center;gap:12px;
  min-height:56px;padding:9px var(--gutter);
  background:var(--paper);
}
.brand{display:flex;flex-direction:column;gap:1px;min-width:0;text-decoration:none;color:var(--ink);}
.brand__mark{
  display:inline-flex;align-items:center;gap:7px;
  font-size:19px;font-weight:900;line-height:1.15;letter-spacing:-.01em;
}
.brand__mark::before{content:"";width:8px;height:8px;flex:0 0 auto;background:var(--orange);}
.brand__sub{
  font:10.5px/1.25 var(--mono);letter-spacing:.06em;color:var(--ink-2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 14px;border:1px solid var(--orange-deep);border-radius:2px;
  background:var(--orange);color:var(--green-deep);
  font:800 13px/1 var(--sans);text-decoration:none;white-space:nowrap;
  box-shadow:0 1px 0 rgba(28,26,23,.12);
}
.header-cta:hover{background:var(--orange-deep);border-color:var(--orange-deep);color:var(--paper);}

/* 移动导航按钮 */
.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  min-height:38px;min-width:44px;padding:0 10px;
  border:1px solid var(--line-strong);border-radius:2px;
  background:var(--paper);color:var(--ink);cursor:pointer;
  font:700 11px/1 var(--mono);letter-spacing:.12em;
}
.nav-toggle:hover{border-color:var(--green);color:var(--green);}
.nav-toggle__label{text-transform:uppercase;}
.nav-toggle__bars{position:relative;display:block;width:14px;height:8px;}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:14px;height:1.5px;background:currentColor;
  transition:transform .18s var(--ease),top .18s var(--ease);
}
.nav-toggle__bars::before{top:0;}
.nav-toggle__bars::after{top:6.5px;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:3px;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:3px;transform:rotate(-45deg);}

/* 移动端导航面板 */
.site-nav{
  position:absolute;top:100%;left:0;right:0;display:none;
  max-height:calc(100dvh - 96px);overflow-y:auto;
  padding:6px 0 14px;
  background:var(--green);color:var(--paper);
  border-bottom:2px solid var(--orange);
  box-shadow:var(--shadow-float);
}
.site-nav[data-open]{display:block;animation:nav-in .18s var(--ease) both;}
@keyframes nav-in{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
.nav-list{display:flex;flex-direction:column;}
.nav-list__item{border-bottom:1px solid rgba(244,239,227,.12);}
.nav-list__item:first-child{border-top:1px solid rgba(244,239,227,.12);}
.nav-link{
  display:flex;align-items:center;gap:12px;min-height:48px;padding:0 20px;
  border-left:3px solid transparent;
  color:var(--paper);text-decoration:none;font-size:15px;font-weight:600;
}
.nav-link__num{
  min-width:20px;color:rgba(244,239,227,.55);
  font:500 11px/1 var(--mono);letter-spacing:.1em;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(244,239,227,.1);color:var(--paper);}
.nav-link[aria-current="page"]{
  background:rgba(255,107,44,.18);
  border-left-color:var(--orange);
  color:#fff;font-weight:800;
}
.nav-link[aria-current="page"] .nav-link__num{color:var(--orange);}
.nav-note{
  margin:14px 20px 0;
  font:11px/1.5 var(--mono);letter-spacing:.06em;color:rgba(244,239,227,.6);
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,6vw,80px);
  padding-top:44px;
  background:var(--green-deep);color:var(--paper);
  border-top:3px solid var(--green);
}
.footer-inner{display:grid;grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
.footer-brand__mark{
  display:inline-flex;align-items:center;gap:8px;
  font-size:24px;font-weight:900;letter-spacing:-.01em;
  color:var(--paper);text-decoration:none;
}
.footer-brand__mark::before{content:"";width:9px;height:9px;background:var(--orange);}
.footer-brand__line{
  margin-top:9px;
  font:11px/1.5 var(--mono);letter-spacing:.08em;color:rgba(244,239,227,.62);
}
.footer-brand__note{
  margin-top:12px;max-width:34ch;
  font-size:13.5px;line-height:1.6;color:rgba(244,239,227,.8);
}
.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.footer-col{min-width:0;}
.footer-col__head{
  margin:0 0 12px;padding-bottom:10px;
  border-bottom:1px solid rgba(244,239,227,.16);
  font:600 11px/1 var(--mono);letter-spacing:.14em;color:var(--orange);
  text-transform:uppercase;
}
.footer-list{counter-reset:fl;display:flex;flex-direction:column;gap:9px;}
.footer-list li{counter-increment:fl;display:flex;align-items:baseline;gap:8px;}
.footer-list li::before{
  content:counter(fl,decimal-leading-zero);
  font:500 10px/1 var(--mono);letter-spacing:.06em;color:rgba(244,239,227,.4);
}
.footer-list a{
  font-size:14px;color:rgba(244,239,227,.9);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.footer-list a:hover,.footer-list a:focus-visible{color:var(--orange);border-bottom-color:var(--orange);}
.footer-meta{display:flex;flex-direction:column;gap:6px;}
.footer-contact{
  font:500 13px/1.5 var(--mono);color:var(--paper);
  word-break:break-word;
}
.footer-address{font-size:13px;line-height:1.6;color:rgba(244,239,227,.75);}
.footer-note{font-size:12px;line-height:1.5;color:rgba(244,239,227,.55);}
.footer-base{border-top:1px solid rgba(244,239,227,.14);padding:14px 0 20px;}
.footer-base__inner{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;}
.footer-icp,.footer-close{
  font:11px/1.5 var(--mono);letter-spacing:.08em;color:rgba(244,239,227,.6);
}

/* ---------- 7. 返回顶部 ---------- */
.back-to-top{
  position:fixed;right:16px;bottom:16px;z-index:70;
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border:1px solid var(--green-deep);border-radius:2px;
  background:var(--green);color:var(--paper);
  font:700 16px/1 var(--mono);cursor:pointer;
  box-shadow:var(--shadow-float);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),background .15s var(--ease),color .15s var(--ease),visibility .18s;
}
.back-to-top[data-visible]{opacity:1;visibility:visible;transform:none;}
.back-to-top:hover{background:var(--orange);border-color:var(--orange-deep);color:var(--green-deep);}

/* ---------- 8. 小屏 → 中屏 ---------- */
@media (min-width:640px){
  .grid--2,.grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-meta{grid-column:1 / -1;}
}
@media (max-width:380px){
  .brand__sub{display:none;}
  .nav-toggle__label{display:none;}
}

/* ---------- 9. 桌面：左侧竖栏 + 全宽比分带 ---------- */
@media (min-width:900px){
  :root{--rail:236px;--strip-h:34px;--gutter:48px;}

  body{padding-top:var(--strip-h);}

  .site-header{
    position:fixed;top:0;left:0;bottom:0;width:var(--rail);
    display:flex;flex-direction:column;
    padding-top:var(--strip-h);
    background:var(--paper);
    border-bottom:0;border-right:1px solid var(--line-strong);
    z-index:80;
  }
  .score-strip{
    position:fixed;top:0;left:0;right:0;height:var(--strip-h);z-index:81;
  }
  .score-strip__tag{padding:0 14px;font-size:11px;}

  .header-bar{
    flex-direction:column;align-items:stretch;gap:14px;
    min-height:0;padding:20px 20px 18px;
    border-bottom:1px solid var(--line);
  }
  .brand__mark{font-size:22px;}
  .brand__sub{white-space:normal;font-size:10.5px;line-height:1.35;}
  .header-actions{width:100%;margin:0;}
  .header-cta{flex:1 1 auto;min-height:40px;}
  .nav-toggle{display:none;}

  .site-nav,.site-nav[data-open]{
    position:static;display:block;
    flex:1 1 auto;min-height:0;overflow-y:auto;
    max-height:none;padding:10px 0 18px;
    background:transparent;color:var(--ink);
    border-bottom:0;box-shadow:none;
    animation:none;
  }
  .nav-list__item{border-bottom:1px solid var(--line);}
  .nav-list__item:first-child{border-top:1px solid var(--line);}
  .nav-link{
    min-height:0;padding:11px 20px;border-radius:0;
    border-left:3px solid transparent;
    color:var(--ink);font-size:15px;font-weight:600;
  }
  .nav-link__num{color:var(--ink-2);font-size:11px;}
  .nav-link:hover,.nav-link:focus-visible{background:var(--paper-2);color:var(--green);}
  .nav-link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(255,107,44,.16),rgba(255,107,44,0) 76%);
    border-left-color:var(--orange);
    color:var(--green);font-weight:800;
  }
  .nav-link[aria-current="page"] .nav-link__num{color:var(--orange-deep);}
  .nav-note{margin:16px 20px 0;font-size:10.5px;color:var(--ink-2);}

  .split{grid-template-columns:minmax(200px,272px) minmax(0,1fr);gap:36px;}
  .grid{gap:24px;}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}

  .footer-inner{
    grid-template-columns:minmax(230px,1.1fr) minmax(0,1.4fr) minmax(230px,1.2fr);
    align-items:start;gap:40px;
  }
  .footer-brand,.footer-meta{grid-column:auto;}

  .back-to-top{right:24px;bottom:24px;}
}

/* ---------- 10. 减少动态 ---------- */
@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-progress__bar{transition:none;}
  .back-to-top{transform:none;}
  .site-nav[data-open]{animation:none;}
}