/* ================= 竞猜看台 · shared site.css ================= */
:root{
  --night:#0A1524;
  --night-deep:#05100F;
  --green:#0B2A26;
  --cyan:#29E7CE;
  --orange:#FF7A2F;
  --gold:#E8B457;
  --wine:#7C1F35;
  --indigo:#3A2C6E;
  --mist:#8FA6A3;
  --paper:#EDF4F2;
  --grid:rgba(143,166,163,.14);
  --hair:rgba(143,166,163,.32);
  --shell:1240px;
  --gap:clamp(20px,3vw,40px);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:var(--font-display);
  --font-mono:"IBM Plex Mono","Roboto Mono","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--night);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.2}
b,strong{font-weight:700;color:var(--paper)}
::selection{background:var(--cyan);color:var(--night-deep)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:0}

/* ---------- 布局容器与栅格 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,28px)}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.col-main{grid-column:span 7;min-width:0}
.col-side{grid-column:span 3;min-width:0}
.col-gap{grid-column:span 2}
.col-full{grid-column:1/-1;min-width:0}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:99;
  background:var(--orange);color:var(--night-deep);
  padding:10px 16px;font-weight:700;letter-spacing:.02em;
  transition:top .16s ease;
}
.skip-link:focus{top:8px;text-decoration:none}

/* ---------- 刊头 ---------- */
.masthead-bar{
  position:sticky;top:0;z-index:60;
  background:rgba(10,21,36,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--grid);
}
.progress-track{height:2px;background:rgba(143,166,163,.18);width:100%}
.progress-bar{display:block;height:100%;width:var(--progress,0%);background:var(--cyan);box-shadow:0 0 12px rgba(41,231,206,.7);transition:width .12s linear}
.masthead-bar__inner{display:flex;align-items:flex-end;flex-wrap:wrap;gap:6px 24px;padding-block:14px 10px}
.masthead{flex:1 1 auto;min-width:0;position:relative}
.masthead__brand{
  display:inline-block;
  font-family:var(--font-display);
  font-weight:900;font-size:clamp(22px,3.2vw,34px);
  letter-spacing:.08em;color:var(--paper);
  line-height:1.1;
}
.masthead__brand:hover{text-decoration:none;color:var(--cyan)}
.masthead__meta{display:inline-flex;align-items:baseline;gap:14px;margin-left:16px;vertical-align:baseline}
.masthead__tagline{font-size:12px;letter-spacing:.42em;color:var(--mist)}
.masthead__season{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--mist);border-left:1px solid var(--hair);padding-left:12px}
.masthead__season b{color:var(--gold);font-weight:600}
.nav-toggle{
  display:none;align-items:center;gap:10px;
  border:1px solid var(--hair);padding:8px 14px;
  font-size:13px;letter-spacing:.18em;color:var(--mist);
}
.nav-toggle__bars{width:18px;height:2px;background:var(--cyan);box-shadow:0 -6px 0 var(--cyan),0 6px 0 var(--cyan)}
.nav-toggle[aria-expanded="true"]{border-color:var(--orange);color:var(--orange)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{box-shadow:none;background:var(--orange)}
.site-nav{
  flex:0 0 100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;border-top:1px solid var(--grid);padding-top:8px;
}
.site-nav__list{display:flex;flex-wrap:wrap;align-items:center;gap:4px 26px}
.site-nav__list a{
  display:inline-block;position:relative;
  font-weight:700;font-size:14px;letter-spacing:.06em;
  color:var(--paper);padding:8px 2px;
}
.site-nav__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:50% 50%;
  transition:transform .18s ease;
}
.site-nav__list a:hover{text-decoration:none;color:var(--cyan)}
.site-nav__list a:hover::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]{color:var(--orange)}
.site-nav__list a[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{
  flex:0 0 auto;background:var(--orange);color:var(--night-deep);
  font-weight:700;font-size:13px;letter-spacing:.1em;
  padding:10px 18px;white-space:nowrap;
}
.nav-cta:hover{text-decoration:none;background:var(--gold)}
.rule-line{height:1px;background:var(--hair);transform:scaleX(0);transform-origin:50% 50%;transition:transform .6s ease}
.rule-line.is-visible{transform:scaleX(1)}
.rule-line--head{background:linear-gradient(90deg,transparent,var(--hair) 18%,var(--hair) 82%,transparent)}

/* ---------- 章节与正文 ---------- */
.chapter{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.chapter__no{
  font-family:var(--font-mono);font-size:13px;font-weight:600;
  color:var(--cyan);letter-spacing:.18em;
  border:1px solid rgba(41,231,206,.45);padding:3px 9px;
}
.chapter__title{font-size:16px;letter-spacing:.16em;color:var(--mist);font-weight:700}
.chapter::after{content:"";flex:1;height:1px;background:var(--grid)}
.lede{font-size:clamp(16px,1.6vw,19px);line-height:1.85;color:var(--paper);max-width:42ch}
.prose{max-width:42ch;color:var(--paper)}
.prose p{margin-bottom:1em}
.prose h2,.prose h3{margin:1.6em 0 .6em;font-size:clamp(20px,2.2vw,26px)}
.prose ul{list-style:none;margin:1em 0}
.prose ul li{position:relative;padding-left:18px;margin-bottom:.5em}
.prose ul li::before{content:"";position:absolute;left:0;top:.85em;width:6px;height:1px;background:var(--cyan)}
.prose a{border-bottom:1px solid rgba(41,231,206,.45)}
.prose code{font-family:var(--font-mono);font-size:.92em;color:var(--cyan);background:var(--night-deep);padding:2px 6px}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:14px;letter-spacing:.1em;
  padding:12px 22px;border:1px solid transparent;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--orange);color:var(--night-deep);border-color:var(--orange)}
.btn--primary:hover{background:var(--gold);border-color:var(--gold)}
.btn--ghost{border-color:var(--hair);color:var(--paper)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--copy{border-color:rgba(232,180,87,.5);color:var(--gold);background:rgba(232,180,87,.07)}
.btn--copy:hover{background:rgba(232,180,87,.16);color:var(--gold)}
.btn--copy.is-done{border-color:var(--cyan);color:var(--cyan);background:rgba(41,231,206,.1)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  padding:3px 9px;border:1px solid var(--hair);color:var(--mist);
}
.tag--live{color:var(--cyan);border-color:rgba(41,231,206,.45)}
.tag--live::before{
  content:"";width:6px;height:6px;background:var(--cyan);border-radius:50%;
  animation:pulse 3.2s ease-in-out infinite;
}
.tag--gold{color:var(--gold);border-color:rgba(232,180,87,.45)}
.tag--wine{color:#F3D6DE;border-color:var(--wine);background:var(--wine)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}

/* ---------- 卡片与数据表 ---------- */
.card{
  position:relative;border:1px solid var(--grid);background:rgba(11,42,38,.42);
  padding:clamp(18px,2.4vw,26px);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:8px 8px;
}
.card--dark{background:var(--night-deep);background-image:none;border-color:var(--grid)}
.card--wine{border-color:var(--wine);background:rgba(124,31,53,.22);background-image:none}
.card--indigo{border-color:var(--indigo);background:rgba(58,44,110,.3);background-image:none}
.card__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px;border-bottom:1px solid var(--grid);padding-bottom:8px}
.card__title{font-size:clamp(17px,1.9vw,21px)}
.card__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--mist)}
.data-table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:13px;font-variant-numeric:tabular-nums}
.data-table th{
  text-align:left;font-weight:600;letter-spacing:.14em;color:var(--mist);
  border-bottom:1px solid var(--hair);padding:8px 10px;font-size:11px;
}
.data-table td{border-bottom:1px solid var(--grid);padding:10px}
.data-table td:first-child{color:var(--mist)}
.data-table .num{color:var(--cyan)}
.data-table .num--gold{color:var(--gold)}
.data-table tbody tr:hover{background:rgba(41,231,206,.06)}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--mist);padding-block:18px 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--hair)}
.breadcrumb a{color:var(--mist)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- 图片容器（页面阶段使用） ---------- */
.figure{margin:0;border:1px solid var(--grid);background:var(--green);--ratio:16/9}
.figure__media{
  aspect-ratio:var(--ratio,16/9);width:100%;
  background:
    radial-gradient(120% 90% at 78% 12%,rgba(41,231,206,.22),transparent 58%),
    radial-gradient(90% 80% at 12% 92%,rgba(255,122,47,.2),transparent 60%),
    linear-gradient(135deg,var(--night-deep),var(--green) 55%,var(--indigo));
  position:relative;overflow:hidden;
}
.figure__media::after{
  content:"";position:absolute;inset:auto 0 34% 0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.7;
}
.figure__media img{width:100%;height:100%;object-fit:cover}
.figure__caption{
  border-top:1px solid var(--grid);padding:10px 14px;
  font-size:12px;color:var(--mist);letter-spacing:.04em;
}

/* ---------- 显现动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease var(--d,0ms),transform .5s ease var(--d,0ms)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 标签页 ---------- */
.tabs{margin-block:22px}
.tabs__list{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--grid)}
.tabs__btn{
  padding:10px 18px;font-weight:700;font-size:14px;letter-spacing:.08em;
  color:var(--mist);border-bottom:2px solid transparent;margin-bottom:-1px;
}
.tabs__btn:hover{color:var(--paper)}
.tabs__btn[aria-selected="true"]{color:var(--orange);border-bottom-color:var(--orange)}
.tabs__panels{position:relative;padding-top:20px;min-height:120px}
.tabs__panel{animation:fadeSlide .12s ease both}
.tabs__panel[hidden]{display:none}
@keyframes fadeSlide{from{opacity:0;transform:translateX(6px)}to{opacity:1;transform:none}}

/* ---------- 前端过滤 ---------- */
.filter{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-block:18px}
.filter__input{
  flex:1 1 260px;background:var(--night-deep);color:var(--paper);
  border:1px solid var(--hair);padding:11px 14px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;
}
.filter__input::placeholder{color:var(--mist)}
.filter__input:focus{border-color:var(--cyan);outline:none}
.filter__count{font-family:var(--font-mono);font-size:12px;color:var(--mist)}
.filter__empty{font-size:14px;color:var(--mist);border:1px dashed var(--grid);padding:18px;text-align:center}
.filter__empty[hidden]{display:none}
[data-filter-item][hidden]{display:none}

/* ---------- 一键复制 ---------- */
.copy-block{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.copy-value{font-family:var(--font-mono);font-size:clamp(15px,1.8vw,19px);color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ---------- 手风琴 ---------- */
.accordion{border-top:1px solid var(--grid)}
.accordion__item{border-bottom:1px solid var(--grid)}
.accordion__btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:16px 2px;font-weight:700;font-size:clamp(15px,1.7vw,18px);color:var(--paper);
}
.accordion__btn::after{content:"+";font-family:var(--font-mono);color:var(--cyan);font-size:18px}
.accordion__btn[aria-expanded="true"]{color:var(--cyan)}
.accordion__btn[aria-expanded="true"]::after{content:"–"}
.accordion__panel{padding:0 2px 18px;color:var(--mist);max-width:60ch}
.accordion__panel[hidden]{display:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(48px,7vw,96px);
  background:
    linear-gradient(180deg,var(--night) 0,rgba(11,42,38,.85) 22%,var(--night-deep) 100%);
  border-top:1px solid var(--grid);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:8px 8px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.6fr;
  gap:clamp(20px,3vw,38px);padding-block:clamp(34px,5vw,58px);
}
.footer-brand__name{font-family:var(--font-display);font-weight:900;font-size:22px;letter-spacing:.1em;color:var(--paper)}
.footer-brand__tagline{font-size:12px;letter-spacing:.42em;color:var(--cyan);margin-top:6px}
.footer-brand__desc{font-size:13px;color:var(--mist);margin-top:12px;max-width:32ch;line-height:1.75}
.footer-col__title{font-size:13px;letter-spacing:.2em;color:var(--paper);margin-bottom:12px}
.footer-col__title::after{content:"";display:block;width:22px;height:1px;background:var(--orange);margin-top:8px}
.footer-links li{margin-bottom:8px}
.footer-links a{color:var(--mist);font-size:14px}
.footer-links a:hover{color:var(--cyan);text-decoration:none}
.footer-contact__line{font-size:13px;color:var(--mist);margin-bottom:8px;word-break:break-word}
.footer-contact__line b{font-family:var(--font-mono);color:var(--gold);letter-spacing:.04em}
.footer-note{font-size:12px;color:var(--mist);opacity:.8;margin-top:10px;line-height:1.7;border-left:1px solid var(--wine);padding-left:10px}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
  border-top:1px solid var(--grid);padding-block:18px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--mist);
}
.footer-legal{color:var(--mist)}
.footer-copy{color:var(--mist)}
.footer-year{margin-left:auto;color:var(--cyan)}
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:70;
  background:var(--night-deep);border:1px solid var(--hair);color:var(--mist);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;padding:9px 13px;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease,color .16s ease,border-color .16s ease;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .grid-12{grid-template-columns:repeat(6,1fr)}
  .col-main{grid-column:span 4}
  .col-side{grid-column:span 2}
  .col-gap{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-contact{grid-column:span 3}
}
@media (max-width:820px){
  .masthead-bar__inner{align-items:center}
  .masthead__meta{margin-left:0;display:flex;gap:10px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-nav{
    display:none;flex-direction:column;align-items:stretch;gap:0;
    border-top:1px solid var(--grid);
  }
  [data-open="true"] .site-nav{display:flex}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__list li{border-bottom:1px solid var(--grid)}
  .site-nav__list a{padding:14px 2px;font-size:15px}
  .site-nav__list a::after{display:none}
  .site-nav__list a[aria-current="page"]{border-left:3px solid var(--orange);padding-left:10px}
  .nav-cta{margin:14px 0 6px;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand,.footer-contact{grid-column:span 2}
  .footer-year{margin-left:0}
}
@media (max-width:560px){
  body{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand,.footer-contact{grid-column:span 1}
  .masthead__brand{font-size:22px}
  .masthead__tagline{letter-spacing:.3em}
  .tabs__btn{padding:9px 12px;font-size:13px}
  .lede,.prose{max-width:none}
}

/* ---------- 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}
  .reveal{opacity:1;transform:none}
  .rule-line{transform:scaleX(1)}
  .tag--live::before{animation:none}
}