/* ==========================================================================
   博万体育 · 共享站点样式 /assets/site.css
   夜间赛场指挥中心：墨绿夜底 + 荧柠轨迹 + 琥珀读数
   ========================================================================== */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
::selection{background:var(--lime);color:#08170F}

/* ---------- 2. 变量 ---------- */
:root{
  --ink-950:#06120F;
  --pitch-900:#0C2620;
  --pitch-800:#0F3129;
  --paper:#EDE4D2;
  --lime:#C9F24C;
  --amber:#F2A438;
  --mint:#8CD8BE;
  --chalk:#F3F7F2;
  --moss:#6C837B;
  --alert:#E4573D;
  --ink-paper:#14211C;

  --rail-w:96px;
  --maxw:1180px;
  --gutter:clamp(18px,4vw,56px);
  --cut:18px;

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --line:rgba(140,216,190,.16);
  --line-strong:rgba(140,216,190,.32);
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink-950);
  background-image:
    radial-gradient(1100px 620px at 82% -8%, rgba(201,242,76,.07), transparent 62%),
    radial-gradient(820px 520px at -6% 104%, rgba(140,216,190,.06), transparent 64%);
  color:var(--chalk);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-sans);
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.02em;
  text-wrap:balance;
}
h1{font-size:clamp(34px,5.2vw,72px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(20px,2vw,28px)}
h4{font-size:18px}
p{max-width:34em}
p + p{margin-top:1.1em}
strong{font-weight:800;color:var(--chalk)}

/* ---------- 4. 通用容器与板块 ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.site-main{display:block;padding-block:clamp(24px,4vw,56px)}
.section{padding-block:clamp(40px,7vw,96px)}
.rule{height:1px;background:var(--line);margin-block:clamp(28px,5vw,56px);border:0}
.rule--slant{
  height:2px;background:none;
  border-top:1px solid var(--line-strong);
  transform:skewY(-1.2deg);transform-origin:left center;
}
.stack > * + *{margin-top:var(--stack-gap,18px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--2{grid-template-columns:1fr}
.grid--split{grid-template-columns:1fr}
@media (min-width:768px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .grid--split{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
}

/* ---------- 5. 文字标记 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;font-weight:800;letter-spacing:.24em;
  color:var(--moss);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--lime)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:1.6em;font-weight:600;letter-spacing:-.02em;line-height:1.2;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--moss);
  margin-bottom:clamp(20px,3vw,36px);
}
.breadcrumb a{color:var(--moss);border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.breadcrumb a:hover{color:var(--chalk);border-color:var(--line-strong)}
.breadcrumb__sep{color:rgba(140,216,190,.4)}
.breadcrumb [aria-current="page"]{color:var(--chalk)}

/* ---------- 6. 标签与信号点 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--line-strong);border-radius:2px;
  font-size:11px;font-weight:700;line-height:1.6;letter-spacing:.16em;
  color:var(--mint);text-transform:uppercase;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
}
.tag--home{color:var(--lime);border-color:rgba(201,242,76,.45)}
.tag--away{color:var(--mint);border-color:rgba(140,216,190,.45)}
.tag--live{color:var(--amber);border-color:rgba(242,164,56,.5)}
.live-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--amber);
  animation:livePulse 2.2s ease-out infinite;
}
@keyframes livePulse{
  0%{box-shadow:0 0 0 0 rgba(242,164,56,.55)}
  70%{box-shadow:0 0 0 8px rgba(242,164,56,0)}
  100%{box-shadow:0 0 0 0 rgba(242,164,56,0)}
}

/* ---------- 7. 面板 ---------- */
.panel{
  position:relative;
  background:var(--pitch-900);
  border:1px solid var(--line);
  padding:clamp(18px,3vw,30px);
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.panel--paper{background:var(--paper);color:var(--ink-paper);border-color:transparent}
.panel--paper .eyebrow{color:#5C6B5F}
.panel--paper .eyebrow::before{background:#5C6B5F}
.panel--lime{background:rgba(201,242,76,.09);border-color:rgba(201,242,76,.42)}

/* ---------- 8. 图片容器 ---------- */
.figure{margin:0;display:flex;flex-direction:column;gap:10px}
.figure__media{
  position:relative;overflow:hidden;
  background:var(--pitch-900);
  border:1px solid var(--line);
  aspect-ratio:16/9;
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.figure__media img{width:100%;height:100%;object-fit:cover;filter:saturate(.85) brightness(.82)}
.figure__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg, rgba(140,216,190,.10) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(140,216,190,.08) 0 1px, transparent 1px 44px);
  box-shadow:inset 0 1px 0 rgba(201,242,76,.38);
}
.figure__media--wide{aspect-ratio:21/9}
.figure__media--tall{aspect-ratio:3/4}
.figure__media--square{aspect-ratio:1/1}
.figure__caption{font-size:12px;line-height:1.7;letter-spacing:.04em;color:var(--moss);max-width:42em}

/* ---------- 9. 按钮 ---------- */
.btn{
  --btn-bg:transparent;--btn-fg:var(--chalk);--btn-bd:var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border:1px solid var(--btn-bd);border-radius:2px;
  background:var(--btn-bg);color:var(--btn-fg);
  font-size:14px;font-weight:800;line-height:1.25;letter-spacing:.10em;
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{background:rgba(201,242,76,.10);border-color:var(--lime);color:var(--chalk)}
.btn--lime{--btn-bg:var(--lime);--btn-fg:#0A1A12;--btn-bd:var(--lime)}
.btn--lime:hover{--btn-bg:#D8FF63;--btn-fg:#0A1A12;border-color:#D8FF63;color:#0A1A12}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--mint);--btn-bd:var(--line-strong)}
.btn--ghost:hover{--btn-fg:var(--chalk);border-color:var(--mint)}
.btn--block{display:flex;width:100%}
.btn--rail{
  display:block;width:62px;padding:10px 6px;
  font-size:12px;line-height:1.5;letter-spacing:.10em;text-align:center;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}

/* ---------- 10. 跳至主内容 ---------- */
.skip-link{
  position:fixed;top:12px;left:12px;z-index:200;
  padding:10px 18px;border-radius:2px;
  background:var(--lime);color:#0A1A12;
  font-size:14px;font-weight:800;letter-spacing:.06em;
  transform:translateY(-220%);
  transition:transform .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* ---------- 11. 头部与侧轨 ---------- */
.site-header{position:relative;z-index:90}
.rail-topbar{display:none}
.nav-toggle{display:none}
.nav-scrim{display:none}

.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:20px 0 22px;
  background:linear-gradient(180deg,var(--pitch-900) 0%,#081B15 62%,var(--ink-950) 100%);
  border-right:1px solid var(--line);
  z-index:96;
}
.rail__brand{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--chalk)}
.rail__brand-mark{
  width:10px;height:10px;background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 100%);
}
.rail__brand-cn{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:18px;font-weight:900;letter-spacing:.26em;line-height:1;
}
.rail__tagline{
  writing-mode:vertical-rl;text-orientation:upright;
  max-width:none;white-space:nowrap;
  font-size:10px;letter-spacing:.24em;line-height:1;color:var(--moss);
}
.rail__list{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  margin:auto 0;width:100%;
}
.rail__link{
  position:relative;display:flex;align-items:center;justify-content:center;
  width:100%;padding:11px 0;color:var(--moss);
  transition:color .18s ease;
}
.rail__link::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:calc(100% - 22px);border-radius:1px;
  background:var(--lime);
  transform:translateY(-50%) scaleY(0);
  transform-origin:center;
  transition:transform .18s ease;
}
.rail__link:hover,.rail__link:focus-visible{color:var(--chalk)}
.rail__link[aria-current="page"]{color:var(--chalk)}
.rail__link[aria-current="page"]::before{transform:translateY(-50%) scaleY(1)}
.rail__link-text{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:14px;font-weight:700;letter-spacing:.12em;line-height:1;
}
.rail__link-hint{
  position:absolute;left:calc(100% + 8px);top:50%;
  padding:6px 12px;
  background:var(--pitch-800);
  border:1px solid rgba(201,242,76,.35);
  color:var(--lime);
  font-size:11px;letter-spacing:.18em;line-height:1.4;white-space:nowrap;
  opacity:0;pointer-events:none;
  transform:translateY(-50%) translateX(-8px);
  transition:opacity .16s ease,transform .16s ease;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
}
.rail__link:hover .rail__link-hint,
.rail__link:focus-visible .rail__link-hint{
  opacity:1;transform:translateY(-50%) translateX(0);
}
.rail__foot{
  display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;
}
.rail__quick{display:flex;flex-direction:column;align-items:center;gap:6px}
.rail__quick-link{
  font-size:11px;letter-spacing:.12em;color:var(--moss);
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color .16s ease,border-color .16s ease;
}
.rail__quick-link:hover{color:var(--mint);border-color:var(--mint)}

@media (max-height:800px){
  .rail__tagline{display:none}
  .rail__link{padding:9px 0}
  .rail__brand-cn{font-size:16px;letter-spacing:.2em}
}
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
}

/* ---------- 12. 滚动进度 ---------- */
.site-progress{
  position:fixed;left:0;right:0;bottom:0;height:3px;
  background:rgba(140,216,190,.12);
  z-index:110;pointer-events:none;
}
.site-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--mint),var(--lime));
  transition:width .14s linear;
}
@media (min-width:1024px){
  .site-progress{left:var(--rail-w)}
}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(56px,8vw,120px);
  padding:clamp(32px,5vw,64px) 0 0;
  background:linear-gradient(180deg,rgba(12,38,32,.55) 0%,var(--pitch-900) 42%,#07170F 100%);
  border-top:1px solid var(--line-strong);
  color:var(--chalk);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:38%;height:2px;
  background:linear-gradient(90deg,var(--lime),transparent);
}
.footer-inner{
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding-inline:var(--gutter);
  display:grid;gap:clamp(28px,4vw,64px);
  grid-template-columns:1fr;
}
@media (min-width:768px){
  .footer-inner{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
}
.footer-brand{display:flex;flex-direction:column}
.footer-brand__line{
  font-size:18px;font-weight:900;letter-spacing:.14em;line-height:1.4;
  color:var(--chalk);max-width:none;
}
.footer-brand__summary{
  margin-top:12px;font-size:14px;line-height:1.85;color:var(--moss);max-width:28em;
}
.footer-quick{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:20px}
.footer-quick__link{
  font-size:12px;letter-spacing:.14em;color:var(--mint);
  border-bottom:1px solid rgba(140,216,190,.35);padding-bottom:2px;
  transition:color .16s ease,border-color .16s ease;
}
.footer-quick__link:hover{color:var(--lime);border-color:var(--lime)}

.footer-nav{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,40px);
}
.footer-col__title{
  margin:0 0 14px;
  font-size:11px;font-weight:800;letter-spacing:.24em;line-height:1.4;
  color:var(--lime);text-transform:uppercase;
}
.footer-col__list{display:flex;flex-direction:column;gap:9px}
.footer-link{
  font-size:14px;color:var(--moss);
  transition:color .16s ease;
}
.footer-link:hover{color:var(--chalk)}
.footer-link--inline{
  font-size:12px;letter-spacing:.06em;color:var(--mint);
}
.footer-link--inline:hover{color:var(--lime)}

.footer-band{
  position:relative;height:46px;
  margin:clamp(28px,4vw,48px) var(--gutter) 0;
  border-top:1px solid var(--line);
  overflow:hidden;
}
.footer-band__ticks{
  position:absolute;left:0;right:0;top:14px;height:10px;
  background:repeating-linear-gradient(90deg,rgba(140,216,190,.5) 0 1px,transparent 1px 22px);
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 62%,transparent 96%);
  mask-image:linear-gradient(90deg,#000 0,#000 62%,transparent 96%);
}
.footer-band__pulse{
  position:absolute;left:0;top:13px;width:56px;height:2px;
  background:var(--lime);
  box-shadow:0 0 12px rgba(201,242,76,.7);
}
.footer-meta{
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding:18px var(--gutter) 26px;
  display:flex;flex-direction:column;gap:10px;
  border-top:1px solid rgba(140,216,190,.10);
}
.footer-meta__row{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;
  max-width:none;font-size:12px;line-height:1.7;color:var(--moss);
}
.footer-meta__row--legal{color:rgba(108,131,123,.9)}
.footer-meta__item{letter-spacing:.02em}
.footer-meta__item--num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.footer-meta__dot{color:rgba(140,216,190,.4)}
.footer-note{
  max-width:44em;font-size:12px;line-height:1.7;color:rgba(108,131,123,.88);
}

/* ---------- 14. 分段标签页 ---------- */
.tabs{width:100%}
.tabs__list{
  display:flex;flex-wrap:wrap;gap:2px;
  border-bottom:1px solid rgba(140,216,190,.22);
}
.tabs__tab{
  position:relative;
  padding:12px 18px;border-radius:2px 2px 0 0;
  font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--moss);
  transition:color .18s ease,background-color .18s ease;
}
.tabs__tab:hover{color:var(--chalk);background:rgba(140,216,190,.06)}
.tabs__tab[aria-selected="true"]{color:var(--chalk);background:rgba(201,242,76,.09)}
.tabs__tab[aria-selected="true"]::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:var(--lime);
}
.tabs__panel{padding-top:20px;animation:tabsIn .18s ease both}
.tabs__panel[hidden]{display:none}
@keyframes tabsIn{from{opacity:0}to{opacity:1}}

/* ---------- 15. 移动端：顶条 + 抽屉 ---------- */
@media (max-width:1023px){
  .site-header{position:sticky;top:0;z-index:94}
  body[data-nav-open="true"]{overflow:hidden}

  .rail-topbar{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:10px var(--gutter);
    background:rgba(6,18,15,.94);
    border-bottom:1px solid var(--line);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
  }
  .rail-topbar__brand{display:inline-flex;align-items:center;gap:9px}
  .rail-topbar__mark{
    width:9px;height:9px;background:var(--lime);
    clip-path:polygon(0 0,100% 0,100% 100%);
  }
  .rail-topbar__name{
    font-size:15px;font-weight:900;letter-spacing:.2em;line-height:1;color:var(--chalk);
  }

  .nav-toggle{
    display:inline-flex;align-items:center;gap:10px;
    padding:9px 12px;border:1px solid rgba(201,242,76,.42);border-radius:2px;
    background:rgba(201,242,76,.04);color:var(--chalk);
  }
  .nav-toggle__bars{
    display:flex;flex-direction:column;justify-content:center;gap:4px;
    width:18px;height:14px;
  }
  .nav-toggle__bar{
    display:block;height:2px;width:100%;background:currentColor;
    transition:transform .18s ease,opacity .14s ease;
  }
  .nav-toggle__label{font-size:12px;font-weight:700;letter-spacing:.18em;line-height:1}
  .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-scrim{
    display:none;position:fixed;inset:0;z-index:92;
    background:rgba(3,10,8,.68);
    -webkit-backdrop-filter:blur(3px);
    backdrop-filter:blur(3px);
  }
  .nav-scrim[data-open="true"]{display:block}

  .rail{
    width:min(84vw,320px);
    align-items:stretch;
    padding:22px 20px 26px;
    transform:translateX(-101%);
    transition:transform .22s ease;
    overflow-y:auto;
    border-right:1px solid rgba(201,242,76,.28);
    box-shadow:0 0 60px rgba(0,0,0,.6);
    z-index:96;
  }
  .rail[data-open="true"]{transform:translateX(0)}

  .rail__brand{flex-direction:row;align-items:center;justify-content:flex-start;gap:10px}
  .rail__brand-cn{writing-mode:horizontal-tb;font-size:20px;letter-spacing:.18em}
  .rail__tagline{
    writing-mode:horizontal-tb;
    margin-top:10px;font-size:11px;letter-spacing:.24em;
  }
  .rail__list{margin:22px 0 auto;align-items:stretch;gap:0;width:100%}
  .rail__link{justify-content:flex-start;padding:14px 16px;border-bottom:1px solid rgba(140,216,190,.12)}
  .rail__link-text{writing-mode:horizontal-tb;font-size:17px;letter-spacing:.08em}
  .rail__link-hint{display:none}
  .rail__link::before{
    top:12px;bottom:12px;height:auto;
    transform:scaleY(0);
  }
  .rail__link[aria-current="page"]::before{transform:scaleY(1)}
  .rail__foot{flex-direction:row;align-items:center;justify-content:space-between;width:100%;gap:14px;margin-top:18px}
  .btn--rail{width:auto;padding:12px 18px;font-size:14px;white-space:nowrap}
  .rail__quick{flex-direction:row;gap:14px}

  .site-progress{left:0}
}

/* ---------- 16. 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;
  }
  .live-dot{animation:none;box-shadow:0 0 0 3px rgba(242,164,56,.22)}
  .tabs__panel{animation:none}
}