/* ============================================================
   米兰赛事 · 共享样式 /assets/site.css
   夜场数据台 × 战术板
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg,table{max-width:100%}
img,svg{display:block}
:focus-visible{outline:2px solid #B6FF3B;outline-offset:3px}

:root{
  --carbon:#0B0D0F;
  --carbon-soft:#14181C;
  --warm:#F4F0E8;
  --cream:#E8E1D5;
  --red:#C8102E;
  --red-deep:#8A1E2D;
  --blue:#2E6FDB;
  --volt:#B6FF3B;
  --stone:#3A3F44;
  --moss:#5F7A61;
  --clay:#B86B4B;
  --line-dark:rgba(244,240,232,.14);
  --line-light:rgba(11,13,15,.14);
  --rail-w:236px;
  --masthead-h:58px;
  --maxw:1240px;
  --gutter:20px;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
@media (min-width:768px){:root{--gutter:32px}}
@media (min-width:1200px){:root{--gutter:44px}}

body{
  background:var(--carbon);
  color:var(--warm);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
}
@media (min-width:901px){
  body{padding-left:var(--rail-w)}
}
@media (max-width:900px){
  body{padding-top:var(--masthead-h)}
}

h1,h2,h3,h4{
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
}
h1{font-size:clamp(30px,5.2vw,58px)}
h2{font-size:clamp(24px,3.4vw,36px)}
h3{font-size:clamp(18px,2.2vw,24px)}
p{text-wrap:pretty}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:-120px;left:12px;z-index:120;
  padding:10px 18px;background:var(--volt);color:var(--carbon);
  font-weight:800;font-size:14px;letter-spacing:.02em;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ---------- 侧边轨道 ---------- */
.site-header{position:relative;z-index:60}

.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;gap:18px;
  padding:26px 18px 22px;
  background:
    radial-gradient(120% 60% at 0% 0%,rgba(138,30,45,.55),transparent 62%),
    linear-gradient(180deg,#12070A 0%,#0B0D0F 58%,#0B0D0F 100%);
  border-right:1px solid rgba(200,16,46,.35);
  overflow-y:auto;
  z-index:60;
  scrollbar-width:thin;
  scrollbar-color:var(--red-deep) transparent;
}
.rail__head{border-bottom:1px solid var(--line-dark);padding-bottom:14px}
.rail__brand{
  font-size:11px;letter-spacing:.06em;color:var(--volt);
  word-break:break-all;
}
.rail__line{font-size:12px;line-height:1.6;color:rgba(244,240,232,.55);margin-top:6px}

.rail__nav{flex:1 1 auto}
.rail__list{display:flex;flex-direction:column;gap:2px}
.rail__item{display:block}
.rail__link{
  display:grid;grid-template-columns:26px 1fr;align-items:baseline;gap:8px;
  padding:10px 10px 10px 8px;
  border-left:2px solid transparent;
  color:rgba(244,240,232,.6);
  font-size:15px;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.rail__link:hover{color:var(--warm);background:rgba(244,240,232,.05)}
.rail__idx{font-size:11px;letter-spacing:.06em;color:rgba(244,240,232,.4)}
.rail__link:hover .rail__idx{color:var(--warm)}
.rail__link[aria-current="page"]{
  color:var(--warm);
  border-left-color:var(--volt);
  background:linear-gradient(90deg,rgba(200,16,46,.42),rgba(200,16,46,0));
  font-weight:700;
}
.rail__link[aria-current="page"] .rail__idx{color:var(--volt)}
.rail__label{display:block}

.rail__meta{
  border-top:1px solid var(--line-dark);
  padding-top:12px;
  display:flex;flex-direction:column;gap:8px;
}
.rail__meta-row{display:flex;flex-direction:column;gap:2px}
.rail__meta-key{font-size:10px;letter-spacing:.16em;color:var(--clay)}
.rail__meta-val{font-size:12px;line-height:1.5;color:rgba(244,240,232,.7)}

.rail__cta{width:100%;justify-content:center}

/* ---------- 移动顶栏 ---------- */
.masthead{display:none}
.nav-toggle{display:none}

@media (max-width:900px){
  .masthead{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:var(--masthead-h);
    padding:0 16px;
    background:linear-gradient(90deg,#12070A 0%,#0B0D0F 70%);
    border-bottom:1px solid rgba(200,16,46,.4);
    z-index:65;
  }
  .masthead__brand{display:flex;align-items:center;gap:10px;min-width:0}
  .masthead__mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:30px;height:30px;flex:0 0 30px;
    background:var(--red);color:#fff;
    font-size:12px;font-weight:700;letter-spacing:.02em;
  }
  .masthead__text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
  .masthead__name{font-size:15px;font-weight:800;letter-spacing:.01em}
  .masthead__sub{font-size:10px;letter-spacing:.14em;color:var(--volt)}

  .nav-toggle{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 10px;
    border:1px solid var(--line-dark);
    color:var(--warm);
  }
  .nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:18px}
  .nav-toggle__bar{display:block;height:2px;width:100%;background:var(--warm);transition:transform .2s ease,opacity .2s ease}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .nav-toggle__label{font-size:11px;letter-spacing:.14em}

  .rail{
    width:min(84vw,320px);
    top:0;bottom:0;
    padding:calc(var(--masthead-h) + 20px) 18px 22px;
    transform:translateX(-101%);
    transition:transform .3s cubic-bezier(.32,.72,0,1);
    box-shadow:18px 0 42px rgba(0,0,0,.55);
  }
  .rail[data-open="true"]{transform:translateX(0)}

  .rail-scrim{
    position:fixed;inset:0;
    background:rgba(11,13,15,.72);
    z-index:55;
  }
  .rail-scrim[hidden]{display:none}
}

/* ---------- 滚动进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;
  background:rgba(244,240,232,.07);
  z-index:70;pointer-events:none;
}
@media (min-width:901px){.scroll-progress{left:var(--rail-w)}}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--red) 0%,var(--clay) 55%,var(--volt) 100%);
  transition:width .12s linear;
}

/* ---------- 布局容器 ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:760px}

.section{position:relative;padding-block:clamp(48px,7vw,96px)}
.section--dark{background:var(--carbon);color:var(--warm)}
.section--paper{background:var(--warm);color:var(--carbon);--line-dark:rgba(11,13,15,.16)}
.section--band{
  background:linear-gradient(100deg,#15070C 0%,#22090F 44%,#0B0D0F 100%);
  color:var(--warm);
  border-top:1px solid rgba(200,16,46,.5);
  border-bottom:1px solid rgba(200,16,46,.5);
}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
@media (min-width:768px){.grid{gap:26px}}
.span-3,.span-4,.span-6,.span-8,.span-12{grid-column:span 12}
@media (min-width:768px){
  .span-3{grid-column:span 3}
  .span-4{grid-column:span 4}
  .span-6{grid-column:span 6}
  .span-8{grid-column:span 8}
  .span-12{grid-column:span 12}
}

/* ---------- 文字组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--volt);
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--red)}
.section--paper .eyebrow{color:var(--red-deep)}
.section--paper .eyebrow::before{background:var(--red)}

.lead{font-size:clamp(17px,1.7vw,20px);line-height:1.7;max-width:62ch;opacity:.92}

.divider{height:1px;border:0;background:var(--line-dark);margin-block:28px}

.notice{
  border-left:3px solid var(--clay);
  background:rgba(184,107,75,.12);
  padding:12px 16px;
  font-size:14px;
  line-height:1.7;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
  background:var(--stone);color:var(--warm);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:#E01535}
.btn--ghost{background:transparent;border-color:var(--line-dark);color:var(--warm)}
.btn--ghost:hover{border-color:var(--volt);color:var(--volt)}
.section--paper .btn--ghost{border-color:var(--line-light);color:var(--carbon)}
.section--paper .btn--ghost:hover{border-color:var(--red);color:var(--red)}

/* ---------- 数据带 ---------- */
.data-band{
  position:relative;
  padding-block:clamp(28px,4.6vw,52px);
  background:linear-gradient(96deg,#15070C 0%,#22090F 42%,#0B0D0F 100%);
  border-block:1px solid rgba(200,16,46,.45);
  overflow:hidden;
}
.data-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(244,240,232,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,240,232,.05) 1px,transparent 1px);
  background-size:52px 52px;
}
.data-band__inner{position:relative;z-index:1}
.data-band__label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--volt);display:block;margin-bottom:14px;
}

/* ---------- 指标 ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(30px,5vw,54px);
  font-weight:700;line-height:1;letter-spacing:-.03em;
}
.stat__label{font-size:13px;letter-spacing:.08em;opacity:.72}
.stat--volt .stat__value{color:var(--volt)}
.stat--red .stat__value{color:var(--red)}
.stat--blue .stat__value{color:var(--blue)}
.section--paper .stat--red .stat__value{color:var(--red-deep)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  border:1px solid transparent;
}
.tag--volt{background:var(--volt);color:var(--carbon)}
.tag--blue{background:var(--blue);color:#fff}
.tag--clay{background:var(--clay);color:#fff}
.tag--moss{background:var(--moss);color:var(--warm)}

/* ---------- 面板 ---------- */
.panel{
  background:var(--carbon-soft);
  border:1px solid var(--line-dark);
  padding:clamp(18px,3vw,28px);
}
.section--paper .panel{background:#fff;border-color:var(--line-light)}
.panel__title{font-size:15px;font-weight:800;letter-spacing:.06em;margin-bottom:10px}

/* ---------- 分段切换 ---------- */
.tabs{margin-block:6px}
.tabs__list{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line-dark)}
.tabs__tab{
  padding:10px 16px;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  color:inherit;opacity:.6;
  border-bottom:2px solid transparent;
  transition:opacity .18s ease,border-color .18s ease,background .18s ease;
}
.tabs__tab:hover{opacity:1}
.tabs__tab[aria-selected="true"]{
  opacity:1;
  border-bottom-color:var(--volt);
  background:linear-gradient(180deg,rgba(182,255,59,.14),transparent);
}
.section--paper .tabs__tab[aria-selected="true"]{
  border-bottom-color:var(--red);
  background:linear-gradient(180deg,rgba(200,16,46,.12),transparent);
}
.tabs__panel{padding-top:24px}
.tabs__panel[hidden]{display:none}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-block:18px;font-family:var(--font-mono);font-size:13px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{opacity:.6}
.breadcrumb__item--current{opacity:1;font-weight:700}
.breadcrumb__link:hover{color:var(--volt);opacity:1}
.section--paper .breadcrumb__link:hover{color:var(--red)}
.breadcrumb__sep{opacity:.45}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;display:block;width:100%;overflow:hidden;
  border:1px solid var(--line-dark);
  background:
    radial-gradient(120% 90% at 16% 10%,rgba(200,16,46,.30),transparent 58%),
    radial-gradient(90% 80% at 88% 90%,rgba(46,111,219,.22),transparent 60%),
    linear-gradient(160deg,#151A20,#0B0D0F);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:
    linear-gradient(rgba(244,240,232,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,240,232,.06) 1px,transparent 1px);
  background-size:40px 40px;
}
.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--tall{aspect-ratio:3/4}
.media-frame--wide{aspect-ratio:21/9}
.media-frame__caption{
  position:relative;z-index:2;
  padding:10px 14px;
  font-family:var(--font-mono);font-size:12px;line-height:1.6;
  color:rgba(244,240,232,.78);
  background:rgba(11,13,15,.62);
}

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

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  color:var(--warm);
  background:
    radial-gradient(120% 80% at 6% 0%,rgba(138,30,45,.4),transparent 62%),
    linear-gradient(180deg,#0D1114 0%,#0B0D0F 60%);
  border-top:1px solid rgba(200,16,46,.45);
}
.footer__band{
  height:4px;
  background:linear-gradient(90deg,
    var(--red) 0%,var(--red) 34%,
    var(--carbon) 34%,var(--carbon) 66%,
    var(--volt) 66%,var(--volt) 100%);
}
.footer__inner{
  width:100%;max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(38px,5.4vw,68px) var(--gutter) 34px;
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:700px){
  .footer__inner{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer__col--contact{grid-column:span 3}
}
@media (min-width:1024px){
  .footer__inner{grid-template-columns:1.7fr 1fr 1fr 1.3fr}
  .footer__col--contact{grid-column:auto}
}

.footer__logo{
  font-size:20px;font-weight:700;letter-spacing:.04em;color:var(--warm);
}
.footer__tagline{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(244,240,232,.72);max-width:34ch}
.footer__note{margin-top:12px;font-size:13px;line-height:1.7;color:rgba(244,240,232,.55);max-width:36ch}

.footer__col{min-width:0}
.footer__title{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--volt);margin-bottom:14px;
}
.footer__list{display:flex;flex-direction:column;gap:9px}
.footer__link{
  font-size:14px;color:rgba(244,240,232,.72);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer__link:hover{color:var(--volt);border-bottom-color:var(--volt)}

.footer__contact{display:flex;flex-direction:column;gap:12px}
.footer__contact-row{display:flex;flex-direction:column;gap:2px}
.footer__contact-label{font-size:10px;letter-spacing:.16em;color:var(--clay)}
.footer__contact-value{font-size:14px;line-height:1.6;color:rgba(244,240,232,.8);word-break:break-word}

.footer__bottom{
  width:100%;max-width:var(--maxw);
  margin-inline:auto;
  padding:18px var(--gutter) 30px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;
}
.footer__legal{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
  color:rgba(244,240,232,.5);
}
.footer__legal:last-child{margin-left:auto}
@media (max-width:699px){
  .footer__legal:last-child{margin-left:0}
}

/* ---------- 降级动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
}