/* =========================================================
   风云体育网 · 共享样式表  /assets/site.css
   夜间赛事色系 · 堆叠面板 · 框景刻度 · 居中刊头
   ========================================================= */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;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;}
img,picture,svg,video{display:block;max-width:100%;height:auto;}
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%;}
hr{border:0;border-top:1px solid var(--line);margin:0;}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#0A1424;
  --panel:#12203A;
  --line:#1E3357;
  --cyan:#2FE0D0;
  --cyan-soft:#9DF3EA;
  --orange:#FF7A1A;
  --warm:#FFB069;
  --cool:#3B7BE8;
  --paper:#EAF0F8;
  --muted:#8899B0;

  --u:8px;
  --shell:1440px;
  --gap:clamp(16px,2.4vw,32px);
  --pad:clamp(16px,4vw,48px);
  --space-sm:32px;
  --space-md:56px;
  --space-lg:96px;

  --font-display:"Oswald","Archivo Narrow","HarmonyOS Sans SC","Source Han Sans SC",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,monospace;
  --font-body:"Inter","PingFang SC","Microsoft YaHei",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ring:2px solid var(--cyan);
}

/* ---------- 3. 基础与中文排版 ---------- */
html{scroll-behavior:smooth;}
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,rgba(30,51,87,.5) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,51,87,.3) 1px,transparent 1px),
    radial-gradient(1200px 620px at 72% -12%,rgba(47,224,208,.10),transparent 62%),
    radial-gradient(900px 520px at 6% 14%,rgba(255,122,26,.07),transparent 66%);
  background-size:96px 96px,96px 96px,auto,auto;
  background-repeat:repeat,repeat,no-repeat,no-repeat;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:clamp(.95rem,1.05vw,1.05rem);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body,button,input{word-break:break-word;}
h1,h2,h3,h4{font-weight:400;line-height:1.15;}
::selection{background:var(--cyan);color:#05201d;}
#main-content{display:block;scroll-margin-top:140px;}

:focus-visible{outline:var(--ring);outline-offset:3px;}
button:focus-visible,a:focus-visible{outline:var(--ring);outline-offset:3px;}

/* ---------- 4. 通用容器与版面 ---------- */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding-inline:var(--pad);}
.section{padding-block:var(--space-md);}
.section--lg{padding-block:var(--space-lg);}
.section--sm{padding-block:var(--space-sm);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--line);
}
.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan);
}
.display{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(2.6rem,7vw,6rem);letter-spacing:-.03em;line-height:.95;color:var(--paper);
}
.display--sm{font-size:clamp(1.8rem,3.6vw,3rem);letter-spacing:-.02em;}
.lead{color:var(--muted);max-width:64ch;}
.text-muted{color:var(--muted);}

.grid{display:grid;gap:var(--gap);}
.grid--cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.rail-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,8fr);gap:var(--gap);}

/* ---------- 5. 面板与框景 ---------- */
.panel{
  position:relative;
  background:linear-gradient(180deg,rgba(18,32,58,.92),rgba(18,32,58,.55));
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
}
.panel--overlap{margin-top:calc(var(--u) * -3);}
.panel--accent{border-left:2px solid var(--orange);}
.panel-title{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.3rem,2.4vw,2rem);letter-spacing:-.01em;color:var(--paper);
}
.frame{
  position:relative;border:1px solid var(--line);
  padding:clamp(20px,3vw,36px);
  background:linear-gradient(180deg,rgba(18,32,58,.72),rgba(10,20,36,.5));
}
.frame::before,.frame::after{
  content:"";position:absolute;width:16px;height:16px;border:1px solid var(--cyan);
}
.frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0;}
.frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0;}

/* ---------- 6. 按钮 / 标签 / 数据 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;
  padding:10px 18px;border:1px solid var(--line);color:var(--paper);
  background:transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn--accent{background:var(--orange);border-color:var(--orange);color:#160800;font-weight:500;}
.btn--accent:hover{background:var(--warm);border-color:var(--warm);}
.btn--ghost{color:var(--cyan);border-color:var(--cyan);}
.btn--ghost:hover{background:rgba(47,224,208,.12);}
.btn--block{display:flex;width:100%;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;
  padding:4px 10px;border:1px solid var(--line);color:var(--muted);
}
.tag--live{color:var(--orange);border-color:var(--orange);}
.tag--live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:currentColor;
  animation:tagPulse 2.4s ease-in-out infinite;
}
@keyframes tagPulse{0%,100%{opacity:1;}50%{opacity:.25;}}

.stat{display:flex;flex-direction:column;gap:4px;}
.stat-value{
  font-family:var(--font-mono);font-weight:600;
  font-size:clamp(1.4rem,2.4vw,2.4rem);letter-spacing:-.01em;color:var(--paper);
}
.stat-value--accent{color:var(--orange);}
.stat-value--cyan{color:var(--cyan);}
.stat-label{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted);
}

.bar{position:relative;height:10px;background:rgba(30,51,87,.6);overflow:hidden;}
.bar-fill{
  height:100%;width:var(--bar,50%);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--warm),var(--orange));
  transition:width .6s var(--ease);
}
.bar--goal .bar-fill{background:linear-gradient(90deg,var(--warm),var(--orange));}
.bar--conceded .bar-fill{background:linear-gradient(90deg,var(--cool),#6FA8FF);}

/* ---------- 7. 图片容器基类 ---------- */
.media{
  position:relative;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(135deg,#12203A,#0A1424);
}
.media img{width:100%;height:100%;object-fit:cover;}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,20,36,0) 42%,rgba(10,20,36,.78));
}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--slant{clip-path:polygon(0 0,100% 5%,100% 100%,0 95%);}
.media-caption{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;
  color:var(--muted);margin-top:10px;
}

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;color:var(--muted);}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumbs a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumbs a:hover{color:var(--cyan);}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--line);}

/* ---------- 9. 头部 ---------- */
.skip-link{
  position:absolute;top:0;left:50%;z-index:120;
  transform:translate(-50%,-140%);
  background:var(--cyan);color:#05201d;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;
  padding:10px 20px;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translate(-50%,0);}

.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,20,36,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}

/* 9.1 顶部刻度带 + 联赛快切 */
.header-rail{
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(30,51,87,.42),rgba(10,20,36,0));
}
.rail-inner{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:7px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.rail-meta{
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);white-space:nowrap;
}
.league-band{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;
}
.league-band::-webkit-scrollbar{display:none;}
.band-label{
  font-family:var(--font-mono);font-size:.6rem;letter-spacing:.22em;
  color:var(--muted);white-space:nowrap;
}
.band-chip{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;
  color:var(--muted);padding:4px 10px;border:1px solid transparent;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.band-chip:hover{color:var(--cyan-soft);border-color:var(--line);}
.band-chip[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:#05201d;}

/* 9.2 居中刊头 */
.masthead{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:18px var(--pad) 14px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.masthead-side{display:flex;align-items:center;gap:12px;min-width:0;}
.masthead-side--left{justify-self:start;}
.masthead-side--right{justify-self:end;}
.masthead-index{
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);white-space:nowrap;
}
.masthead-rule{
  flex:1 1 auto;height:1px;min-width:24px;
  background:linear-gradient(90deg,rgba(30,51,87,0),var(--line));
}
.masthead-rule--flip{background:linear-gradient(270deg,rgba(30,51,87,0),var(--line));}

.brand{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;}
.brand-cn{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.6rem,3.4vw,2.6rem);letter-spacing:.08em;line-height:1;
  color:var(--paper);transition:color .2s var(--ease);
}
.brand:hover .brand-cn{color:var(--cyan);}
.brand-sub{
  font-family:var(--font-mono);font-size:.6rem;letter-spacing:.24em;
  color:var(--muted);
}
.brand--footer{align-items:flex-start;text-align:left;gap:8px;}

/* 9.3 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;
  color:var(--paper);padding:9px 12px;border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle-bars{position:relative;display:inline-block;width:16px;height:10px;}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:transform .25s var(--ease);
}
.nav-toggle-bars::before{top:0;}
.nav-toggle-bars::after{bottom:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(4.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-4.5px) rotate(-45deg);}

/* 9.4 主导航 */
.masthead-nav{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:0 var(--pad);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,32,58,.55),rgba(10,20,36,0));
}
.nav-list{display:flex;justify-content:center;align-items:stretch;}
.nav-list li{position:relative;}
.nav-list li+li::before{
  content:"";position:absolute;left:0;top:24%;height:52%;width:1px;background:var(--line);
}
.nav-link{
  display:block;padding:14px clamp(14px,2.2vw,28px);
  font-size:.9rem;letter-spacing:.12em;color:var(--paper);position:relative;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;
  background:var(--cyan);transform:translateX(-50%);
  transition:width .25s var(--ease);
}
.nav-link:hover{color:var(--cyan-soft);}
.nav-link:hover::after{width:58%;}
.nav-link[aria-current="page"]{color:var(--cyan);}
.nav-link[aria-current="page"]::after{width:100%;}

/* 9.5 阅读进度线 */
.scroll-meter{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transform:scaleX(0);transform-origin:0 50%;
  pointer-events:none;
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;margin-top:var(--space-md);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,32,58,.65),rgba(10,20,36,1));
}
.footer-scale{
  height:12px;border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 32px);
}
.footer-top{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:var(--space-md) var(--pad) 0;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:var(--gap);align-items:end;
}
.footer-brand{display:flex;flex-direction:column;gap:12px;}
.footer-tagline{color:var(--muted);max-width:46ch;font-size:.92rem;}
.footer-notice{
  border-left:2px solid var(--orange);padding-left:14px;
  color:var(--muted);font-size:.88rem;line-height:1.7;
}
.footer-grid{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:44px var(--pad) 36px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);
}
.footer-col{min-width:0;}
.footer-col-title{
  font-family:var(--font-mono);font-size:.66rem;font-weight:400;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);
  padding-bottom:10px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.footer-links li+li{margin-top:8px;}
.footer-link{
  color:var(--muted);font-size:.9rem;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-link:hover{color:var(--paper);padding-left:6px;}
.footer-lines li{color:var(--muted);font-size:.86rem;line-height:1.8;}
.footer-base{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:16px var(--pad) 20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;color:var(--muted);
}
.footer-copy,.footer-icp,.footer-meta{color:var(--muted);}

/* ---------- 11. 滚动显现 ---------- */
html.has-js [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
html.has-js [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px;}
  .footer-top{grid-template-columns:minmax(0,1fr);align-items:start;gap:20px;}
  .rail-layout{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:900px){
  .masthead{padding:14px var(--pad);gap:12px;}
  .masthead-index,.masthead-rule{display:none;}
  .nav-toggle{display:inline-flex;}
  .masthead-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;padding:0;
    max-height:min(72vh,540px);overflow:auto;
    background:var(--panel);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(0,0,0,.45);
  }
  .masthead-nav[data-open]{display:block;}
  .nav-list{flex-direction:column;}
  .nav-list li+li::before{display:none;}
  .nav-link{
    padding:16px var(--pad);
    border-bottom:1px solid var(--line);
    letter-spacing:.1em;
  }
  .nav-link::after{left:var(--pad);transform:none;bottom:6px;}
  .nav-link:hover::after,.nav-link[aria-current="page"]::after{width:34px;}
  #main-content{scroll-margin-top:110px;}
}

@media (max-width:640px){
  .rail-inner{flex-direction:column;align-items:flex-start;gap:6px;}
  .league-band{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-base{flex-direction:column;gap:6px;}
}

@media (max-width:560px){
  .masthead{grid-template-columns:auto 1fr auto;row-gap:12px;}
  .masthead-side--left{grid-column:1;grid-row:1;}
  .brand{grid-column:2;grid-row:1;}
  .masthead-side--right{grid-column:1 / -1;grid-row:2;justify-self:stretch;}
  .masthead-side--right .btn{width:100%;padding-inline:12px;}
  .brand-sub{letter-spacing:.16em;}
}

/* ---------- 13. 无障碍与动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.has-js [data-reveal]{opacity:1;transform:none;}
  .btn:hover{transform:none;}
  .footer-link:hover{padding-left:0;}
}