/* ============================================================
   b体育官方入口 · 共享样式表  /assets/site.css
   深夜战术分析室：堆叠面板 + 等宽数据 + 电光青强调
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-900:#06231F;
  --ink-800:#0C3A32;
  --cyan:#2FE3C6;
  --cyan-soft:#8CF6E4;
  --flame:#FF5A2B;
  --amber:#FF9A4D;
  --indigo:#3A2059;
  --wine:#5C1E33;
  --paper:#EDF2EE;
  --line:#B9C8C0;
  --muted:#5A6B64;
  --ivory:#F7FAF7;
  --teal-ink:#0B6B5B;

  --ease:cubic-bezier(.22,.61,.36,1);
  --radius:10px;
  --shell-w:1360px;
  --header-h:74px;

  --font-display:"Barlow Condensed","Arial Narrow","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono","Cascadia Mono",Menlo,Consolas,"Courier New",monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 20px);}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote,address{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
address{font-style:normal;}
[hidden]{display:none !important;}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth;}
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink-900);
  background-image:
    radial-gradient(circle at 84% -12%, rgba(47,227,198,.14), transparent 46%),
    radial-gradient(circle at 2% 108%, rgba(58,32,89,.45), transparent 52%);
  background-attachment:fixed;
  color:var(--ivory);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  font-stretch:condensed;
  letter-spacing:-.015em;
  line-height:1.18;
}
h1{font-size:clamp(2.9rem,5.6vw,4.5rem);}
h2{font-size:clamp(1.75rem,3vw,2.125rem);font-weight:600;}
h3{font-size:clamp(1.15rem,1.6vw,1.35rem);font-weight:600;line-height:1.4;}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}

/* ---------- 4. 容器与节奏 ---------- */
.container{
  width:100%;
  max-width:var(--shell-w);
  margin-inline:auto;
  padding-inline:clamp(1.15rem,3.4vw,2.5rem);
}
.section{padding-block:clamp(46px,6.5vw,88px);}

/* ---------- 5. 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:1rem;
  top:-110px;
  z-index:120;
  padding:10px 18px;
  border-radius:6px;
  background:var(--cyan);
  color:var(--ink-900);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  transition:top .18s var(--ease);
}
.skip-link:focus-visible{top:12px;}

/* ---------- 6. 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,35,31,.93);
  backdrop-filter:blur(14px) saturate(1.15);
  border-bottom:1px solid rgba(47,227,198,.2);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan) 0%,rgba(47,227,198,0) 36%,rgba(255,90,43,.85) 100%);
  opacity:.75;
  pointer-events:none;
}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(16px,2vw,32px);
  min-height:var(--header-h);
  padding-block:10px;
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  position:relative;
  display:block;
  flex:none;
  width:36px;
  height:36px;
  border:1px solid rgba(47,227,198,.5);
  border-radius:9px;
  background:linear-gradient(150deg,rgba(47,227,198,.2),rgba(6,35,31,.35));
}
.brand-mark-line{
  position:absolute;
  left:6px;
  right:6px;
  height:1px;
  background:var(--cyan);
  opacity:.85;
}
.brand-mark-line:nth-child(1){top:12px;}
.brand-mark-line:nth-child(2){top:19px;right:13px;}
.brand-mark-dot{
  position:absolute;
  right:5px;
  top:15px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--flame);
  box-shadow:0 0 0 3px rgba(255,90,43,.18);
}
.brand-text{display:block;}
.brand-name{
  display:block;
  font-family:var(--font-display);
  font-size:1.06rem;
  font-weight:700;
  font-stretch:condensed;
  letter-spacing:.02em;
  line-height:1.25;
  color:var(--ivory);
}
.brand-sub{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  line-height:1.5;
  color:rgba(140,246,228,.78);
}

/* 比赛日标签带 */
.ticker{
  justify-self:center;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 15px;
  border:1px solid rgba(47,227,198,.28);
  border-radius:999px;
  background:rgba(12,58,50,.55);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  white-space:nowrap;
  overflow:hidden;
}
.ticker-key{color:rgba(247,250,247,.52);}
.ticker-value{
  display:inline-block;
  color:var(--cyan);
  font-weight:500;
  font-variant-numeric:tabular-nums;
}
.ticker-sep{width:1px;height:12px;background:rgba(47,227,198,.35);}
.ticker-note{color:rgba(247,250,247,.58);}

/* 导航 */
.header-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:clamp(12px,1.6vw,22px);
}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;}
.nav-link{
  display:inline-block;
  padding:8px 9px;
  border:1px solid transparent;
  border-radius:6px;
  font-size:13.5px;
  letter-spacing:.02em;
  color:rgba(247,250,247,.78);
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--cyan);background:rgba(47,227,198,.09);border-color:rgba(47,227,198,.22);}
.nav-link[aria-current="page"]{
  color:var(--ink-900);
  background:var(--cyan);
  border-color:var(--cyan);
  font-weight:600;
}
.nav-link[aria-current="page"]:hover{color:var(--ink-900);background:var(--cyan-soft);border-color:var(--cyan-soft);}

.header-actions{display:flex;align-items:center;gap:8px;}

/* 移动端导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  border:1px solid rgba(47,227,198,.35);
  border-radius:6px;
  color:var(--cyan-soft);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(47,227,198,.1);color:var(--cyan);}
.nav-toggle-bars{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:16px;height:14px;}
.nav-toggle-bars span{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.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);}

/* ---------- 7. 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 15px;
  border:1px solid transparent;
  border-radius:6px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn--ghost{
  color:var(--cyan-soft);
  border-color:rgba(47,227,198,.35);
  background:rgba(47,227,198,.06);
}
.btn--ghost:hover{color:var(--ink-900);background:var(--cyan);border-color:var(--cyan);}
.btn--solid{
  color:var(--ink-900);
  background:var(--cyan);
  border-color:var(--cyan);
  font-weight:600;
}
.btn--solid:hover{background:var(--cyan-soft);border-color:var(--cyan-soft);}
.btn--flame{
  color:var(--ivory);
  background:var(--flame);
  border-color:var(--flame);
  font-weight:600;
}
.btn--flame:hover{background:var(--amber);border-color:var(--amber);}
.btn.is-done{color:var(--ink-900);background:var(--cyan);border-color:var(--cyan);}

/* ---------- 8. 内容层与面板 ---------- */
.panel{
  position:relative;
  border-radius:14px;
  padding:clamp(22px,3.2vw,46px);
}
.panel--light{
  background:var(--paper);
  color:var(--ink-900);
  border:1px solid rgba(6,35,31,.1);
}
.panel--dark{
  background:linear-gradient(160deg,var(--ink-800),var(--ink-900));
  color:var(--ivory);
  border:1px solid rgba(47,227,198,.22);
}
.panel--indigo{
  background:linear-gradient(160deg,var(--indigo),#231136);
  color:var(--ivory);
  border:1px solid rgba(140,246,228,.2);
}
.panel--wine{
  background:linear-gradient(160deg,var(--wine),#34101d);
  color:var(--ivory);
  border:1px solid rgba(255,154,77,.26);
}
.panel--glass{
  background:rgba(12,58,50,.5);
  backdrop-filter:blur(10px);
  color:var(--ivory);
  border:1px solid rgba(47,227,198,.28);
}
.panel--light a:not(.btn){color:var(--teal-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.panel--light a:not(.btn):hover{color:var(--flame);}
.panel--light .eyebrow{color:var(--teal-ink);}
.panel--light .stat-value{color:var(--teal-ink);}
.panel--light .stat-label{color:var(--muted);}
.panel--light .rule-label{color:var(--muted);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;}

.rule-label{
  display:flex;
  align-items:center;
  gap:14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:rgba(247,250,247,.55);
}
.rule-label::before,
.rule-label::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,198,.4),transparent);
}

/* ---------- 9. 正文与面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:20px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(247,250,247,.6);
}
.breadcrumb li{display:inline-flex;align-items:center;}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(247,250,247,.32);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--cyan-soft);}
.breadcrumb a:hover{color:var(--ivory);}

.prose{
  max-width:68ch;
  font-size:1.0625rem;
  line-height:1.85;
}
.prose > * + *{margin-top:1.2em;}
.prose h2{margin-top:2em;line-height:1.3;}
.prose h3{margin-top:1.6em;}
.prose ul,
.prose ol{padding-left:1.25em;list-style:disc;}
.prose ol{list-style:decimal;}
.prose li + li{margin-top:.5em;}
.prose strong{font-weight:600;}

/* ---------- 10. 数据组件 ---------- */
.data-table{font-size:14.5px;}
.data-table caption{
  padding-bottom:10px;
  text-align:left;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--muted);
}
.data-table th,
.data-table td{
  padding:12px 14px;
  border-bottom:1px solid rgba(185,200,192,.5);
  text-align:left;
  vertical-align:top;
}
.data-table thead th{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
  border-bottom:1px solid var(--ink-800);
}
.data-table tbody tr{transition:background-color .18s var(--ease);}
.data-table tbody tr:hover{background:rgba(47,227,198,.09);}
.data-table .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:500;}

.stat{display:flex;flex-direction:column;gap:4px;}
.stat-value{
  font-family:var(--font-mono);
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:500;
  line-height:1.1;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;letter-spacing:.04em;color:rgba(247,250,247,.62);}

/* ---------- 11. 网格 ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,32px);}
.grid--70-30{grid-template-columns:minmax(0,7fr) minmax(0,3fr);}
.grid--60-40{grid-template-columns:minmax(0,6fr) minmax(0,4fr);}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}

/* ---------- 12. 图片容器基础 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:12px;
  background:linear-gradient(150deg,var(--ink-800),#041915);
  border:1px solid rgba(47,227,198,.22);
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.85) hue-rotate(-6deg) contrast(1.03);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(47,227,198,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,227,198,.16) 1px,transparent 1px);
  background-size:48px 48px;
  mix-blend-mode:screen;
  opacity:.5;
}
.media-frame--wide{aspect-ratio:16/9;}
.media-frame--tall{aspect-ratio:3/4;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame--offside::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:34%;
  z-index:2;
  height:0;
  border-top:1px dashed rgba(255,90,43,.78);
  pointer-events:none;
}
.media-caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--muted);
}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,7vw,96px);
  padding:clamp(46px,5.6vw,78px) 0 28px;
  color:var(--ivory);
  background:
    radial-gradient(circle at 12% 0%,rgba(47,227,198,.12),transparent 42%),
    linear-gradient(180deg,var(--ink-900),#041a17 68%,#030f0d);
  border-top:1px solid rgba(47,227,198,.2);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,var(--cyan) 0 20%,rgba(47,227,198,0) 20% 25%,var(--amber) 25% 32%,rgba(255,154,77,0) 32% 38%,var(--indigo) 38% 100%);
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(180px,.95fr) minmax(0,1.9fr) minmax(210px,1.05fr);
  gap:clamp(26px,4vw,56px);
  align-items:start;
}
.footer-brand .brand-mark{margin-bottom:14px;}
.footer-brand-name{
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:700;
  font-stretch:condensed;
  letter-spacing:.02em;
  color:var(--ivory);
}
.footer-tagline{
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  line-height:1.9;
  color:rgba(140,246,228,.72);
}
.footer-columns{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,2.4vw,32px);
}
.footer-col-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--cyan);
}
.footer-list{display:flex;flex-direction:column;gap:2px;}
.footer-link{
  display:inline-block;
  padding:3px 0;
  font-size:14px;
  color:rgba(247,250,247,.72);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-link:hover{color:var(--cyan-soft);transform:translateX(3px);}
.footer-address{display:flex;flex-direction:column;gap:6px;}
.contact-line{
  font-size:13.5px;
  line-height:1.75;
  color:rgba(247,250,247,.7);
  word-break:break-word;
}
.contact-line--note{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  margin-top:clamp(32px,4vw,56px);
  padding-top:20px;
  border-top:1px solid rgba(47,227,198,.16);
  font-size:12.5px;
  color:rgba(247,250,247,.58);
}
.footer-meta{max-width:52ch;}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.footer-legal-link{color:var(--cyan-soft);}
.footer-legal-link:hover{color:var(--ivory);}
.footer-icp{font-family:var(--font-mono);letter-spacing:.04em;}

/* ---------- 14. 脚本注入组件 ---------- */
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:90;
  width:0;
  height:2px;
  pointer-events:none;
  background:linear-gradient(90deg,var(--cyan),var(--amber) 62%,var(--flame));
  transition:width .12s linear;
}
.to-top{
  position:fixed;
  right:clamp(14px,2.4vw,30px);
  bottom:clamp(14px,2.4vw,30px);
  z-index:70;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  font-size:18px;
  line-height:1;
  color:var(--cyan);
  background:rgba(6,35,31,.92);
  border:1px solid rgba(47,227,198,.42);
  border-radius:50%;
  backdrop-filter:blur(8px);
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.to-top[data-visible]{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{background:var(--cyan);color:var(--ink-900);border-color:var(--cyan);}

.toast{
  position:fixed;
  left:50%;
  bottom:clamp(20px,4vw,42px);
  z-index:95;
  max-width:min(430px,calc(100vw - 2rem));
  padding:12px 18px;
  border-radius:8px;
  background:rgba(6,35,31,.97);
  border:1px solid rgba(47,227,198,.4);
  color:var(--cyan-soft);
  font-size:13.5px;
  line-height:1.7;
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  opacity:0;
  transform:translate(-50%,12px);
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.toast[data-visible]{opacity:1;transform:translate(-50%,0);}

.is-flash{animation:valueFlash 320ms var(--ease) 1;}
@keyframes valueFlash{
  0%{transform:translateY(0);opacity:1;}
  40%{transform:translateY(-6px);opacity:.55;}
  100%{transform:translateY(0);opacity:1;}
}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1200px){
  .ticker{display:none;}
  .header-inner{grid-template-columns:minmax(0,1fr) auto;}
  .nav-toggle{display:inline-flex;}
  .header-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px clamp(1.15rem,3.4vw,2.5rem) 22px;
    background:rgba(6,35,31,.985);
    border-bottom:1px solid rgba(47,227,198,.28);
    box-shadow:0 26px 44px rgba(0,0,0,.5);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .header-nav[data-open]{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    padding:13px 10px;
    border-radius:0;
    border-bottom:1px solid rgba(47,227,198,.12);
    font-size:16px;
  }
  .nav-link[aria-current="page"]{border-radius:6px;border-bottom-color:var(--cyan);}
  .header-actions{flex-wrap:wrap;gap:10px;margin-top:18px;}
  .header-actions .btn{flex:1 1 140px;}
}

@media (max-width:1080px){
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);}
  .footer-contact{grid-column:1 / -1;}
}

@media (max-width:900px){
  .grid--70-30,
  .grid--60-40,
  .grid--3{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:720px){
  body{font-size:16px;}
  .footer-inner{grid-template-columns:minmax(0,1fr);}
  .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-base{flex-direction:column;align-items:flex-start;}
  .footer-meta{max-width:none;}
  .ticker-note{display:none;}
}

@media (max-width:420px){
  .footer-columns{grid-template-columns:minmax(0,1fr);}
  .header-actions .btn{flex:1 1 100%;}
}

/* ---------- 16. 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .footer-link:hover{transform:none;}
}