/* ==========================================================================
   尚牛竞猜 · 共享站点样式 /assets/site.css
   夜场竞技指挥中心：曜石黑赛场底 + 荧光青唯一锚点 + 等宽档案数字
   ========================================================================== */

/* ---------- 01 reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,hr{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video,canvas{display:block;max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
table{border-collapse:collapse;width:100%;}
main{display:block;}
hr{border:0;border-top:1px solid var(--line);}

/* ---------- 02 变量 ---------- */
:root{
  --bg:#05070A;
  --panel:#0C1117;
  --panel-2:#080B10;
  --line:#1B222B;
  --line-soft:rgba(27,34,43,.62);
  --cyan:#00F0D4;
  --cyan-deep:#14A99A;
  --violet:#7B4DFF;
  --orange:#FF7A2F;
  --gold:#F5C542;
  --text:#E8EDF2;
  --muted:#8B97A5;
  --font-display:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,"Segoe UI",Roboto,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-serif:Georgia,"Times New Roman","Songti SC","SimSun",serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --header-h:96px;
  --dur:.16s;
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1280px;
}
@media (min-width:901px){ :root{--header-h:110px;} }

/* ---------- 03 基础排版 ---------- */
body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(58vw 42vh at 88% -8%, rgba(0,240,212,.10), transparent 68%),
    radial-gradient(46vw 40vh at -6% 34%, rgba(123,77,255,.09), transparent 70%);
}
@media (max-width:640px){ body{font-size:15px;} }

h1,h2,h3,h4{font-weight:800;line-height:1.14;letter-spacing:-0.02em;}
p{max-width:74ch;}
strong{color:var(--text);}

.t-display{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-0.02em;
  line-height:1.02;
}
.t-editorial{
  font-family:var(--font-serif);
  font-weight:600;
  letter-spacing:0;
  line-height:1.25;
}
.mono{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;}
.mono--lg{font-family:var(--font-mono);font-size:15px;letter-spacing:.06em;}
.kicker{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--cyan);
  text-transform:uppercase;
}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.7;color:#C6D0DA;}
.rule{height:1px;background:var(--line);border:0;}

/* ---------- 04 焦点与无障碍 ---------- */
:focus{outline:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:140;
  padding:10px 18px;
  background:var(--cyan);
  color:#04120F;
  font-size:14px;
  font-weight:700;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important;}
}

/* ---------- 05 布局工具 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (max-width:640px){ .container{padding:0 16px;} }
.section{padding:clamp(56px,8vw,110px) 0;}
.offset-header{padding-top:var(--header-h);}
.grid{display:grid;gap:clamp(16px,2vw,28px);}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr));}
@media (max-width:900px){
  .grid--split,.grid--halves,.grid--thirds{grid-template-columns:minmax(0,1fr);}
}

/* ---------- 06 编号章节标题 ---------- */
.section-head{margin-bottom:clamp(24px,3vw,44px);}
.section-head__index{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--cyan);
  margin-bottom:10px;
}
.section-head__title{font-family:var(--font-display);font-weight:900;font-size:clamp(26px,3.4vw,44px);}
.section-head__desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:62ch;}

/* ---------- 07 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  text-align:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan);color:var(--cyan);}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:#04120F;}
.btn--primary:hover{background:var(--cyan-deep);border-color:var(--cyan-deep);color:#020B0A;}
.btn--ghost{background:transparent;}
.btn--block{width:100%;}

/* ---------- 08 徽章 / 状态点 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  white-space:nowrap;
}
.badge--cyan{border-color:rgba(0,240,212,.5);color:var(--cyan);}
.badge--violet{border-color:rgba(123,77,255,.55);color:#B49BFF;}
.badge--orange{border-color:rgba(255,122,47,.55);color:var(--orange);}
.badge--gold{border-color:rgba(245,197,66,.5);color:var(--gold);}
.status-dot{
  display:inline-block;
  width:6px;height:6px;
  background:var(--cyan);
  border-radius:50%;
  flex:0 0 auto;
}
.status-dot--live{box-shadow:0 0 0 3px rgba(0,240,212,.16);}

/* ---------- 09 面板 / 卡片 ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  padding:clamp(18px,2vw,26px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.02);
}
.panel::before,.panel::after{
  content:"";
  position:absolute;
  width:12px;height:12px;
  border:0 solid var(--cyan);
  opacity:.65;
  pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.panel::before{top:-1px;left:-1px;border-top-width:1px;border-left-width:1px;}
.panel::after{right:-1px;bottom:-1px;border-right-width:1px;border-bottom-width:1px;}
.panel--lift{transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.panel--lift:hover{transform:translateY(-2px);border-color:rgba(0,240,212,.45);}
.panel--lift:hover::before,.panel--lift:hover::after{opacity:1;}

/* ---------- 10 数据组件 ---------- */
.stat{display:flex;flex-direction:column;gap:4px;}
.stat__value{font-family:var(--font-mono);font-size:clamp(22px,2.6vw,30px);color:var(--cyan);letter-spacing:.02em;}
.stat__label{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.table{font-size:14px;}
.table th,.table td{
  padding:12px 14px;
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.table th{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
  font-weight:500;
  background:var(--panel-2);
}

/* ---------- 11 面包屑 ---------- */
.breadcrumb{padding:12px 0;border-bottom:1px solid var(--line);}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.breadcrumb__link{color:var(--muted);transition:color var(--dur) var(--ease);}
.breadcrumb__link:hover{color:var(--cyan);}
.breadcrumb__item[aria-current="page"]{color:var(--cyan);}
.breadcrumb__sep{color:var(--line);font-family:var(--font-mono);}

/* ---------- 12 图片容器 ---------- */
.figure{
  position:relative;
  display:block;
  margin:0;
  border:1px solid var(--line);
  background:var(--panel-2);
  overflow:hidden;
}
.figure__media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(160deg,#0B1116 0%,#05070A 100%);
}
.figure--wide .figure__media{aspect-ratio:21/9;}
.figure--tall .figure__media{aspect-ratio:4/5;}
.figure--square .figure__media{aspect-ratio:1/1;}
.figure__media img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.08);
}
.figure__media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(180deg,rgba(0,240,212,.07) 0%,transparent 38%,rgba(5,7,10,.72) 100%);
}
.figure__caption{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  padding:10px 12px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--muted);
}

/* ---------- 13 横向轨道 ---------- */
.rail{
  display:flex;
  gap:14px;
  overflow-x:auto;
  padding:4px 4px 14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.rail:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail::-webkit-scrollbar-thumb{background:var(--line);}
.rail__item{flex:0 0 clamp(240px,26vw,320px);scroll-snap-align:start;}

/* ---------- 14 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 15 共享头部 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  color:var(--text);
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),backdrop-filter .18s var(--ease);
}
.site-header[data-condensed="true"]{
  background:rgba(5,7,10,.94);
  border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.header-progress{
  position:absolute;
  left:0;bottom:-1px;
  width:100%;height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--violet) 100%);
  opacity:0;
  transition:opacity .18s var(--ease);
}
.site-header[data-condensed="true"] .header-progress{opacity:1;}

.header-utility{
  border-bottom:1px solid var(--line-soft);
  background:rgba(5,7,10,.42);
}
.site-header[data-condensed="true"] .header-utility{background:transparent;}
.header-utility__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:30px;
  padding-top:5px;
  padding-bottom:5px;
}
.header-utility__note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--muted);
  max-width:none;
}
.utility-list{display:flex;align-items:center;gap:18px;}
.utility-link{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--muted);
  transition:color var(--dur) var(--ease);
}
.utility-link:hover{color:var(--cyan);}

.header-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:58px;
  padding-top:6px;
  padding-bottom:6px;
}
@media (min-width:901px){
  .header-bar__inner{min-height:74px;}
}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand__mark{
  display:grid;
  place-items:center;
  width:38px;height:38px;
  border:1px solid rgba(0,240,212,.55);
  background:linear-gradient(150deg,rgba(0,240,212,.16),rgba(0,240,212,.02));
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.06em;
}
.brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.12;}
.brand__name{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand__descriptor{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--muted);
}
@media (max-width:520px){ .brand__descriptor{display:none;} }

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  font-size:13px;
  letter-spacing:.06em;
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;height:1px;
  background:var(--cyan);
}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:1px;
  background:var(--cyan);
}
.nav-toggle__bars::before{top:-5px;}
.nav-toggle__bars::after{top:5px;}
.site-header[data-open="true"] .nav-toggle{border-color:var(--cyan);color:var(--cyan);}

.site-nav{display:flex;align-items:center;gap:24px;}
.site-nav__list{display:flex;align-items:center;gap:6px;}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 10px 10px;
  color:#BFC9D4;
  font-size:14px;
  letter-spacing:.02em;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-nav__link:hover{color:var(--cyan);background:rgba(0,240,212,.06);}
.site-nav__index{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.08em;
  color:var(--muted);
}
.site-nav__link[aria-current="page"]{color:var(--cyan);}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--cyan);}
.site-nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  width:4px;height:4px;
  margin-left:-2px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(0,240,212,.18);
}
.header-cta{flex:0 0 auto;}

@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:fixed;
    top:var(--header-h);
    left:0;right:0;
    z-index:79;
    display:block;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    padding:10px 16px 22px;
    background:#0A0E13;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(0,0,0,.55);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
  }
  [data-open="true"] .site-nav,
  .site-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .site-nav__list{display:block;}
  .site-nav__item{border-bottom:1px solid var(--line);}
  .site-nav__link{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    padding:15px 4px;
    font-size:16px;
  }
  .site-nav__link[aria-current="page"]::after{left:auto;right:6px;bottom:auto;top:50%;margin:-2px 0 0;}
  .header-cta{width:100%;margin-top:18px;padding:14px 18px;}
  body.is-nav-open{overflow:hidden;}
}

/* ---------- 16 共享页脚 ---------- */
.site-footer{
  margin-top:auto;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#080B10 0%,#05070A 64%);
  padding:clamp(40px,6vw,72px) 0 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.95fr);
  gap:clamp(28px,4vw,64px);
  padding-bottom:clamp(26px,3vw,44px);
  border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;flex-direction:column;gap:16px;}
.brand--footer .brand__mark{width:44px;height:44px;font-size:15px;}
.footer-brand__line{font-size:13px;line-height:1.75;color:var(--muted);max-width:34ch;}
.footer-brand__rev{color:var(--gold);font-size:11px;letter-spacing:.16em;}

.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,2.4vw,36px);}
.footer-col{min-width:0;}
.footer-col__title{
  position:relative;
  display:inline-block;
  margin-bottom:16px;
  padding-bottom:8px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--text);
}
.footer-col__title::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:18px;height:1px;
  background:var(--cyan);
}
.footer-links__item + .footer-links__item{margin-top:9px;}
.footer-link{
  font-size:14px;
  color:var(--muted);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-link:hover{color:var(--cyan);padding-left:4px;}

.footer-contact{display:flex;flex-direction:column;gap:0;}
.footer-contact__item{
  display:grid;
  gap:3px;
  padding:9px 0 11px;
  border-bottom:1px dashed var(--line);
}
.footer-contact__item:last-child{border-bottom:0;padding-bottom:0;}
.footer-contact__key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--muted);
}
.footer-contact__value{font-size:13px;line-height:1.6;color:#C6D0DA;word-break:break-word;}
.footer-contact__value--mono{font-family:var(--font-mono);letter-spacing:.03em;color:var(--text);}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 20px;
  padding-top:20px;
  font-size:12px;
  color:var(--muted);
}
.footer-legal__line{max-width:none;letter-spacing:.02em;}
.footer-legal__meta{color:var(--muted);white-space:nowrap;}

@media (max-width:900px){
  .footer-top{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-legal{flex-direction:column;align-items:flex-start;}
}