/* ==========================================================================
   B体育最新 — 共享站点样式 /assets/site.css
   夜场记分牌体系：墨绿底 · 青柠信号 · 暖橙轮次灯
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#041A15;
  --ink-2:#0A2A22;
  --ink-3:#123D31;
  --lime:#C8FF4D;
  --orange:#FF9B3D;
  --fog:#F3F8F0;
  --stone:#9FB8A6;
  --line:#1E5645;
  --amber:#FFD166;

  --shell:1280px;
  --gutter:20px;

  --cut-sm:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  --cut-lg:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);

  --font-display:"Oswald","Barlow Condensed","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
}

body,
h1,h2,h3,h4,h5,h6,
p,figure,blockquote,dl,dd,
ul,ol,fieldset,legend{margin:0;padding:0;}

ul,ol{list-style:none;}

img,svg,video{max-width:100%;display:block;}

button{font:inherit;color:inherit;}

a{color:inherit;}

hr{border:0;}

/* ---------- 3. 基础排版 ---------- */
body{
  margin:0;
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 560px at 88% -12%, rgba(200,255,77,.09), transparent 62%),
    radial-gradient(900px 520px at -12% 18%, rgba(255,155,61,.07), transparent 60%);
  background-repeat:no-repeat;
  color:var(--fog);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.01em;
  text-wrap:balance;
}

h1{font-size:clamp(2.4rem,6vw,4.2rem);}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);}
h3{font-size:clamp(1.15rem,2vw,1.55rem);}

p{text-wrap:pretty;}

a{
  color:var(--lime);
  text-decoration:none;
  transition:color .16s ease;
}

a:hover{color:var(--fog);}

strong{color:var(--fog);font-weight:700;}

code,kbd,samp{font-family:var(--font-mono);font-size:.92em;}

::selection{background:var(--lime);color:var(--ink);}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
}

/* ---------- 4. 跳到主内容 ---------- */
.skip-link{
  position:fixed;
  top:0;
  left:0;
  z-index:200;
  display:inline-block;
  padding:.72em 1.25em;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  clip-path:var(--cut-sm);
  transform:translateY(-130%);
  transition:transform .18s ease;
}
.skip-link:focus,
.skip-link:focus-visible{
  transform:translateY(12px);
  outline:none;
  box-shadow:inset 0 0 0 3px var(--ink);
  color:var(--ink);
}

/* ---------- 5. 通用布局 ---------- */
.wrap{
  width:min(calc(100% - var(--gutter) * 2),var(--shell));
  margin-inline:auto;
}

.section{
  padding-block:clamp(40px,6vw,84px);
}

.grid{
  display:grid;
  gap:clamp(16px,2.4vw,28px);
  grid-template-columns:1fr;
}
.grid--2{grid-template-columns:1fr;}
.grid--3{grid-template-columns:1fr;}

@media (min-width:720px){
  :root{--gutter:28px;}
  .grid--2,.grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  :root{--gutter:32px;}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
}

.rule{
  height:2px;
  width:100%;
  background:linear-gradient(90deg,var(--lime) 0 26%,var(--line) 26% 100%);
}

/* ---------- 6. 文字组件 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{
  content:"";
  width:16px;
  height:2px;
  background:var(--lime);
  flex:0 0 auto;
}

.section-title{
  font-size:clamp(1.6rem,3.4vw,2.35rem);
  color:var(--fog);
  margin-top:.5rem;
}

.display-num{
  display:block;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(2rem,5vw,3.4rem);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
}

.lede{
  max-width:64ch;
  font-size:clamp(1rem,1.4vw,1.12rem);
  line-height:1.7;
  color:var(--stone);
}

.prose{
  max-width:68ch;
  color:var(--fog);
  line-height:1.7;
}
.prose p{margin:0 0 1.05em;}
.prose p:last-child{margin-bottom:0;}
.prose h2,.prose h3{margin:1.8em 0 .6em;color:var(--fog);}
.prose ul,.prose ol{
  margin:0 0 1.1em;
  padding-left:1.15em;
  list-style:none;
}
.prose ul li,.prose ol li{position:relative;margin-bottom:.5em;}
.prose ul li::before{
  content:"";
  position:absolute;
  left:-1.15em;
  top:.72em;
  width:9px;
  height:2px;
  background:var(--lime);
}
.prose ol{counter-reset:prose-counter;}
.prose ol li::before{
  counter-increment:prose-counter;
  content:counter(prose-counter,decimal-leading-zero);
  position:absolute;
  left:-1.9em;
  top:.25em;
  width:auto;
  height:auto;
  background:none;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--lime);
}
.prose a{border-bottom:1px solid var(--line);}
.prose a:hover{border-bottom-color:var(--lime);}
.prose blockquote{
  margin:1.4em 0;
  padding:.2em 0 .2em 1.1em;
  border-left:3px solid var(--lime);
  color:var(--stone);
}
.prose strong{color:var(--fog);}

/* ---------- 7. 链接与按钮 ---------- */
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:.45em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lime);
  border-bottom:1px solid transparent;
  transition:border-color .16s ease,color .16s ease;
}
.link-arrow::after{content:"→";transition:transform .16s ease;}
.link-arrow:hover{color:var(--fog);border-bottom-color:var(--fog);}
.link-arrow:hover::after{transform:translateX(3px);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:.66em 1.15em;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  line-height:1;
  text-decoration:none;
  color:var(--fog);
  background:transparent;
  border:1px solid var(--line);
  border-radius:0;
  cursor:pointer;
  clip-path:var(--cut-sm);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{color:var(--lime);border-color:var(--lime);background:rgba(200,255,77,.08);}

.btn--ghost{
  color:var(--fog);
  border-color:var(--line);
}
.btn--ghost:hover{
  color:var(--lime);
  border-color:var(--lime);
  background:rgba(200,255,77,.08);
}

.btn-signal{
  color:var(--ink);
  background:var(--lime);
  border-color:var(--lime);
}
.btn-signal:hover{
  color:var(--ink);
  background:var(--amber);
  border-color:var(--amber);
}

.btn:focus-visible,
.nav-toggle:focus-visible,
.to-top:focus-visible{
  outline:none;
  box-shadow:inset 0 0 0 2px var(--fog);
}

/* ---------- 8. 面包屑 ---------- */
.crumbs{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--stone);
}
.crumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumbs li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.crumbs li::after{
  content:"/";
  color:var(--line);
}
.crumbs li:last-child::after{content:"";}
.crumbs a{
  color:var(--stone);
  text-decoration:none;
}
.crumbs a:hover{color:var(--lime);}
.crumbs [aria-current="page"]{color:var(--fog);}

/* ---------- 9. 面板 / 标签 ---------- */
.panel{
  position:relative;
  padding:clamp(18px,2.4vw,26px);
  background:var(--ink-2);
  border:1px solid var(--line);
  clip-path:var(--cut-lg);
  transition:border-color .18s ease,background-color .18s ease;
}
.panel:hover{
  border-color:var(--lime);
  background:var(--ink-3);
}

.panel-title{
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--fog);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  padding:.32em .7em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink);
  background:var(--lime);
  clip-path:var(--cut-sm);
}
.tag--orange{
  color:var(--ink);
  background:var(--orange);
}

/* ---------- 10. 图片容器（页面阶段放置占位图） ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  background-color:var(--ink-2);
  background-image:
    repeating-linear-gradient(135deg,rgba(200,255,77,.07) 0 2px,transparent 2px 13px),
    linear-gradient(160deg,var(--ink-3) 0%,var(--ink-2) 70%);
  clip-path:var(--cut-lg);
}
.media--square{aspect-ratio:1 / 1;}
.media--tall{aspect-ratio:4 / 5;}

.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter:saturate(.95) contrast(1.08) brightness(.96);
}

.media::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:3px;
  height:42%;
  background:var(--lime);
  opacity:.85;
  pointer-events:none;
}

.media__cap{
  position:absolute;
  left:0;
  bottom:0;
  max-width:100%;
  padding:.5em .8em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--fog);
  background:rgba(4,26,21,.82);
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
}

/* ---------- 11. 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  color:var(--fog);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header[data-scrolled="true"]{
  background:rgba(10,42,34,.96);
  border-bottom-color:var(--line);
  box-shadow:0 24px 48px -38px #000;
}

.header-progress{
  position:absolute;
  left:0;
  bottom:0;
  display:block;
  height:2px;
  width:calc(var(--progress,0) * 100%);
  background:linear-gradient(90deg,var(--lime) 0%,var(--amber) 100%);
  transition:width .12s linear;
  pointer-events:none;
}

.header-rail{
  display:none;
  align-items:center;
  gap:12px;
}

.rail-label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--stone);
  white-space:nowrap;
}

.rail-dot{
  width:6px;
  height:6px;
  background:var(--orange);
  transform:rotate(45deg);
  flex:0 0 auto;
}

.rail-round{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.2em;
  color:var(--lime);
  white-space:nowrap;
}

.header-bar{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:12px var(--gutter);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--fog);
  text-decoration:none;
}
.brand:hover{color:var(--fog);}

.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  flex:0 0 auto;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:20px;
  font-weight:700;
  line-height:1;
  letter-spacing:0;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  transition:background-color .18s ease,color .18s ease;
}
.brand:hover .brand-mark,
.brand:focus-visible .brand-mark{
  background:var(--orange);
}

.brand-text{
  display:flex;
  flex-direction:column;
  gap:3px;
  line-height:1;
}

.brand-name{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--fog);
}

.brand-sub{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--stone);
  white-space:nowrap;
}

/* 导航 */
.site-nav{
  display:none;
}

.nav-list{
  display:block;
}

.nav-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  text-decoration:none;
}

/* 汉堡 */
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 12px;
  background:transparent;
  color:var(--fog);
  border:1px solid var(--line);
  border-radius:0;
  cursor:pointer;
  clip-path:var(--cut-sm);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover,
.nav-toggle[data-open="true"]{
  color:var(--lime);
  border-color:var(--lime);
  background:rgba(200,255,77,.08);
}

.nav-toggle-lines{
  display:grid;
  gap:4px;
  width:16px;
  flex:0 0 auto;
}
.nav-toggle-lines span{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[data-open="true"] .nav-toggle-lines span:first-child{
  transform:translateY(3px) rotate(45deg);
}
.nav-toggle[data-open="true"] .nav-toggle-lines span:last-child{
  transform:translateY(-3px) rotate(-45deg);
}

.nav-toggle-text{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.header-cta{display:none;}

/* 移动端抽屉 */
@media (max-width:959px){
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:block;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    background:var(--ink-2);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 34px 60px -40px #000;
    transition:max-height .32s ease,visibility .32s ease;
  }
  .site-nav[data-open="true"]{
    max-height:min(76vh,560px);
    overflow-y:auto;
    visibility:visible;
  }
  .site-nav .nav-list{
    max-width:var(--shell);
    margin-inline:auto;
    padding:6px 0 14px;
  }
  .nav-item{
    border-bottom:1px solid rgba(30,86,69,.65);
  }
  .nav-item:last-child{border-bottom:0;}
  .nav-link{
    padding:15px var(--gutter);
    font-family:var(--font-display);
    font-size:16px;
    font-weight:700;
    letter-spacing:.04em;
    color:var(--fog);
    border-left:3px solid transparent;
    transition:color .16s ease,background-color .16s ease,border-color .16s ease;
  }
  .nav-link::after{
    content:"R·";
    font-family:var(--font-mono);
    font-size:11px;
    letter-spacing:.1em;
    color:var(--line);
  }
  .nav-link:hover{
    color:var(--lime);
    background:rgba(200,255,77,.06);
  }
  .nav-link[aria-current="page"]{
    color:var(--lime);
    background:rgba(200,255,77,.1);
    border-left-color:var(--lime);
  }
  .nav-link[aria-current="page"]::after{color:var(--lime);}
}

/* 桌面端 */
@media (min-width:720px){
  .header-bar{padding:14px var(--gutter);}
  .header-cta{display:inline-flex;}
}

@media (min-width:960px){
  .header-rail{
    display:flex;
    width:100%;
    max-width:var(--shell);
    margin-inline:auto;
    padding:9px var(--gutter) 0;
  }
  .site-nav{
    display:block;
    margin-left:auto;
  }
  .site-nav .nav-list{
    display:flex;
    align-items:center;
    gap:2px;
  }
  .nav-item{border:0;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:10px 12px;
    font-family:var(--font-body);
    font-size:14px;
    font-weight:600;
    letter-spacing:.04em;
    color:var(--fog);
    border-left:2px solid transparent;
    transition:color .16s ease,background-color .16s ease,border-color .16s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:5px;
    height:2px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .16s ease;
  }
  .nav-link:hover{
    color:var(--lime);
  }
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link[aria-current="page"]{
    color:var(--lime);
    background:rgba(200,255,77,.09);
    border-left-color:var(--lime);
  }
  .nav-link[aria-current="page"]::after{transform:scaleX(1);}
  .header-actions{margin-left:0;}
  .nav-toggle{display:none;}
}

/* ---------- 12. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:var(--ink);
  border-top:1px solid var(--line);
  color:var(--fog);
}

.footer-band{
  height:12px;
  background:linear-gradient(
    90deg,
    var(--lime) 0 58%,
    var(--orange) 58% 71%,
    var(--ink-3) 71% 100%
  );
  clip-path:polygon(0 0,100% 0,100% 44%,0 100%);
}

.footer-inner{
  display:grid;
  grid-template-columns:1fr;
  gap:30px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(32px,5vw,52px) var(--gutter) clamp(24px,3vw,34px);
}

.footer-brand{
  display:grid;
  gap:14px;
  align-content:start;
  grid-column:1 / -1;
}

.footer-brand .brand-name{font-size:18px;}

.footer-note{
  max-width:36ch;
  font-size:13px;
  line-height:1.7;
  color:var(--stone);
}

.footer-col{
  display:grid;
  gap:10px;
  align-content:start;
}

.footer-title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lime);
}

.footer-list{
  display:grid;
  gap:9px;
  font-size:14px;
}

.footer-list a{
  display:inline-block;
  color:var(--fog);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-list a:hover{
  color:var(--lime);
  border-bottom-color:var(--lime);
}
.footer-list a[aria-current="page"]{color:var(--lime);}

.contact-line{
  display:block;
  font-family:var(--font-mono);
  font-size:12.5px;
  line-height:1.6;
  letter-spacing:.02em;
  color:var(--stone);
  overflow-wrap:anywhere;
}

.footer-base{
  border-top:1px solid var(--line);
  background:rgba(10,42,34,.55);
}

.footer-base-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:16px var(--gutter) 20px;
}

.footer-legal{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--stone);
}

.footer-legal--dim{
  color:rgba(159,184,166,.72);
  letter-spacing:.02em;
}

.to-top{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:.55em .95em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--fog);
  background:transparent;
  border:1px solid var(--line);
  border-radius:0;
  cursor:pointer;
  clip-path:var(--cut-sm);
  transition:color .16s ease,border-color .16s ease,background-color .16s ease;
}
.to-top:hover{
  color:var(--ink);
  background:var(--lime);
  border-color:var(--lime);
}

@media (min-width:720px){
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (min-width:1024px){
  .footer-inner{grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:34px;}
  .footer-brand{grid-column:auto;}
}

/* ---------- 13. 降级动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .header-progress{transition:none;}
  .skip-link{transition:none;}
}