/* ============ 1. 设计变量 ============ */
:root{
  --ink:#0B1310;
  --panel:#111D18;
  --panel-2:#17271F;
  --line:#2C3F36;
  --lime:#B9F227;
  --lime-soft:#E8FFB0;
  --amber:#FFA128;
  --text:#EDF3EE;
  --muted:#94A79B;
  --cyan:#4ED2B4;
  --coral:#FF6B5A;

  --font-display:"Barlow Condensed","Noto Sans SC","PingFang SC",sans-serif;
  --font-num:"JetBrains Mono","IBM Plex Mono",ui-monospace,monospace;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;

  --cut:12px;
  --cut-sm:10px;
  --pad:clamp(16px,4vw,40px);
  --max:1240px;
  --gap:clamp(14px,2vw,22px);
  --ease:cubic-bezier(.22,.8,.3,1);
  --dur:.2s;
}

/* ============ 2. Reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 60% at 50% -10%, rgba(185,242,39,.055), transparent 62%),
    radial-gradient(80% 50% at 100% 0%, rgba(78,210,180,.04), transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
[hidden]{display:none !important}
img,svg,video{max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:800;line-height:1.12;letter-spacing:-.02em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:1px}

/* ============ 3. 基础排版与工具 ============ */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(26px,4.5vw,52px)}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--line),rgba(44,63,54,.25));position:relative}
.rule::before{content:"";position:absolute;left:0;top:-3px;width:68px;height:7px;background-image:repeating-linear-gradient(90deg,var(--lime) 0 1px,transparent 1px 8px);opacity:.85}

.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 10px;font-family:var(--font-num);font-size:10px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--lime)}
.eyebrow::before{content:"";width:14px;height:1px;background:currentColor}

.section-title{font-size:clamp(1.55rem,3.4vw,2.25rem)}
.lead{font-size:clamp(1rem,1.5vw,1.125rem);color:rgba(237,243,238,.82);max-width:62ch}

/* 画板 */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  padding:clamp(16px,2.4vw,26px);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid rgba(44,63,54,.7)}

/* 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;font-family:var(--font-num);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:rgba(23,39,31,.75);border:1px solid var(--line)}
.badge--lime{color:var(--lime);border-color:rgba(185,242,39,.42)}
.badge--amber{color:var(--amber);border-color:rgba(255,161,40,.42)}
.badge--cyan{color:var(--cyan);border-color:rgba(78,210,180,.42)}

/* 读数 */
.stat{display:block}
.stat__num{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(2rem,5vw,3rem);font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--amber)}
.stat__label{display:block;margin-top:8px;font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:var(--muted)}

/* 栅格 */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--aside{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(16px,2.4vw,28px)}

/* 横向主题带 */
.theme-band{
  display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent;
  -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 44px),transparent);
  mask-image:linear-gradient(90deg,#000 calc(100% - 44px),transparent);
}
.theme-band > *{flex:0 0 clamp(220px,26vw,300px);scroll-snap-align:start}
.theme-band::-webkit-scrollbar{height:4px}
.theme-band::-webkit-scrollbar-thumb{background:var(--line)}

/* 图片容器 */
.media-frame{
  position:relative;display:block;overflow:hidden;aspect-ratio:16/10;
  background:var(--panel-2);border:1px solid var(--line);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.media-frame > img,
.media-frame > picture > img,
.media-frame__img{display:block;width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.06)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(237,243,238,.045) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;
}
.media-frame--square{aspect-ratio:1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--wide{aspect-ratio:21/9}
.media-frame__tag{
  position:absolute;left:0;bottom:0;z-index:1;padding:4px 10px;
  background:rgba(11,19,16,.86);color:var(--lime);
  font-family:var(--font-num);font-size:10px;letter-spacing:.16em;
  border-top:1px solid var(--line);border-right:1px solid var(--line);
}

/* 正文 */
.prose{max-width:70ch;font-size:16px;line-height:1.8;color:rgba(237,243,238,.88)}
.prose h2{font-size:clamp(1.3rem,2.4vw,1.7rem);margin:1.8em 0 .6em}
.prose h3{font-size:1.1rem;margin:1.5em 0 .5em;color:var(--lime-soft)}
.prose p{margin:0 0 1em}
.prose ul{display:flex;flex-direction:column;gap:.5em;margin:0 0 1.2em}
.prose li{position:relative;padding-left:18px}
.prose li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;background:var(--lime);clip-path:polygon(0 0,100% 0,100% 100%)}
.prose a{color:var(--lime);border-bottom:1px solid rgba(185,242,39,.4)}
.prose a:hover{border-bottom-color:var(--lime)}
.prose strong{color:var(--text)}

/* 面包屑 */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:14px;font-family:var(--font-num);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.breadcrumbs a{color:var(--muted);transition:color var(--dur) var(--ease)}
.breadcrumbs a:hover{color:var(--lime)}
.breadcrumbs__sep{color:var(--line)}
.breadcrumbs [aria-current="page"]{color:var(--text)}

/* 进场 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 4. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;font-family:var(--font-body);font-size:14px;font-weight:700;
  letter-spacing:.02em;line-height:1.2;border:1px solid transparent;white-space:nowrap;
  clip-path:polygon(0 0,calc(100% - var(--cut-sm)) 0,100% var(--cut-sm),100% 100%,var(--cut-sm) 100%,0 calc(100% - var(--cut-sm)));
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--lime{background:var(--lime);color:#08120C}
.btn--lime:hover{background:var(--lime-soft)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}

/* ============ 5. 跳转链接 ============ */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;background:var(--lime);color:#08120C;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  transform:translateY(-180%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ============ 6. 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(11,19,16,.95);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.scroll-rail{display:block;height:2px;background:rgba(44,63,54,.55)}
.scroll-rail__fill{display:block;height:100%;width:100%;background:var(--lime);transform:scaleX(0);transform-origin:0 50%}

.masthead{border-bottom:1px solid rgba(44,63,54,.55)}
.masthead__inner{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:clamp(10px,2vw,26px);
  max-width:var(--max);margin-inline:auto;
  padding:10px var(--pad);
}

.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand__mark{
  flex:none;width:26px;height:26px;background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{font-family:var(--font-display);font-size:22px;font-weight:800;letter-spacing:.01em;line-height:1.1;white-space:nowrap}
.brand__sub{font-family:var(--font-num);font-size:9px;letter-spacing:.28em;color:var(--muted);line-height:1.5}

.nav{min-width:0;justify-self:center}
.nav__list{display:flex;align-items:center;justify-content:center;gap:2px}
.nav__link{
  position:relative;display:flex;align-items:center;gap:6px;
  padding:8px 12px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav__link::before{
  content:attr(data-idx);
  font-family:var(--font-num);font-size:9px;letter-spacing:.1em;
  color:rgba(148,167,155,.45);
  transition:color var(--dur) var(--ease);
}
.nav__link:hover{color:var(--text);background:rgba(23,39,31,.85)}
.nav__link:hover::before{color:var(--muted)}
.nav__link[aria-current="page"]{color:var(--lime)}
.nav__link[aria-current="page"]::before{color:var(--lime)}
.nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;background:var(--lime);
}

.masthead__actions{display:flex;align-items:center;gap:10px;justify-self:end}
.version-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;
  background:rgba(23,39,31,.7);border:1px solid var(--line);
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));
}
.version-badge__k{font-family:var(--font-num);font-size:9px;letter-spacing:.16em;color:var(--muted)}
.version-badge__v{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--lime-soft);font-variant-numeric:tabular-nums}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:38px;justify-self:end;
  background:rgba(23,39,31,.7);border:1px solid var(--line);
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px));
  transition:border-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--lime)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--lime);transition:background-color var(--dur) var(--ease)}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--lime);
  transition:transform var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

/* ============ 7. 比赛日状态条 ============ */
.scorebar{
  background:linear-gradient(90deg,rgba(17,29,24,.92),rgba(11,19,16,.92));
  border-bottom:1px solid var(--line);
}
.scorebar__inner{
  display:flex;align-items:center;gap:clamp(10px,2vw,22px);
  max-width:var(--max);margin-inline:auto;padding:6px var(--pad);
  min-height:44px;font-family:var(--font-num);font-size:12px;
}
.scorebar__tag{
  display:inline-flex;align-items:center;gap:8px;flex:none;margin:0;
  font-size:10px;letter-spacing:.2em;color:var(--muted);white-space:nowrap;
}
.scorebar__dot{display:block;width:6px;height:6px;background:var(--amber);box-shadow:0 0 0 3px rgba(255,161,40,.14)}
.scorebar__tabs{display:flex;gap:2px;flex:none}
.scorebar__tab{
  padding:4px 10px;font-family:var(--font-num);font-size:11px;letter-spacing:.08em;
  color:var(--muted);border:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.scorebar__tab:hover{color:var(--text);border-color:var(--line)}
.scorebar__tab[aria-selected="true"]{
  color:var(--lime);border-color:rgba(185,242,39,.45);background:rgba(185,242,39,.08);font-weight:700;
}
.scorebar__panels{display:flex;align-items:baseline;gap:10px;flex:1 1 auto;min-width:0}
.scorebar__panel{display:flex;align-items:baseline;gap:10px;min-width:0}
.scorebar__num{
  font-family:var(--font-num);font-size:16px;font-weight:700;letter-spacing:.04em;
  color:var(--lime-soft);font-variant-numeric:tabular-nums;white-space:nowrap;
}
.scorebar__num--amber{color:var(--amber)}
.scorebar__note{
  font-size:11px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.scorebar__more{
  flex:none;margin-left:auto;font-size:11px;letter-spacing:.14em;color:var(--muted);
  padding-bottom:1px;border-bottom:1px solid var(--line);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.scorebar__more:hover{color:var(--lime);border-bottom-color:var(--lime)}

/* ============ 8. 页脚 ============ */
.site-footer{
  position:relative;margin-top:clamp(32px,6vw,72px);
  background:var(--ink);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:7px;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 14px);
  opacity:.75;pointer-events:none;
}
.footer__inner{max-width:var(--max);margin-inline:auto;padding:clamp(30px,5vw,56px) var(--pad) 24px}

.footer__top{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding-bottom:clamp(20px,3vw,30px);border-bottom:1px solid rgba(44,63,54,.65);
}
.footer__brand{display:flex;align-items:center;gap:10px}
.footer__brandname{font-family:var(--font-display);font-size:20px;font-weight:800;letter-spacing:.02em}
.footer__meta{margin:0;max-width:46ch;font-size:12px;line-height:1.7;color:var(--muted)}

.footer__grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,34px);padding:clamp(22px,3.5vw,36px) 0;
}
.footer__col{min-width:0}
.footer__title{
  margin:0 0 12px;font-family:var(--font-num);font-size:10px;font-weight:700;
  letter-spacing:.24em;text-transform:uppercase;color:var(--lime);
}
.footer__list{display:flex;flex-direction:column;gap:8px}
.footer__list--data{gap:12px}
.footer__link{
  display:inline-block;font-size:13px;color:var(--muted);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer__link:hover{color:var(--lime);transform:translateX(2px)}
.footer__data{display:flex;flex-direction:column;gap:2px;min-width:0}
.footer__k{font-family:var(--font-num);font-size:10px;letter-spacing:.14em;color:rgba(148,167,155,.7)}
.footer__v{font-size:13px;line-height:1.5;color:var(--text);word-break:break-word}

.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:18px;border-top:1px solid rgba(44,63,54,.65);
}
.footer__legal{margin:0;font-family:var(--font-num);font-size:11px;letter-spacing:.04em;color:rgba(148,167,155,.76)}
.footer__watermark{margin:0;font-family:var(--font-num);font-size:10px;letter-spacing:.3em;color:var(--line)}

/* ============ 9. 响应式 ============ */
@media (max-width:1180px){
  .nav__link{padding:8px 9px;font-size:13px}
  .nav__link::before{display:none}
}

@media (max-width:1024px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--aside{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:920px){
  .masthead__inner{grid-template-columns:minmax(0,1fr) auto auto;row-gap:0}
  .nav-toggle{display:inline-flex}
  .nav{grid-column:1 / -1;justify-self:stretch;display:none}
  .nav[data-open]{
    display:block;margin-top:8px;padding-top:10px;
    border-top:1px solid rgba(44,63,54,.75);
  }
  .nav[data-open] .nav__list{
    justify-content:flex-start;gap:8px;overflow-x:auto;padding-bottom:8px;
    scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--line) transparent;
    -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 36px),transparent);
    mask-image:linear-gradient(90deg,#000 calc(100% - 36px),transparent);
  }
  .nav[data-open] .nav__link{
    white-space:nowrap;border:1px solid var(--line);padding:8px 14px;
    background:rgba(23,39,31,.6);scroll-snap-align:start;
  }
  .nav[data-open] .nav__link[aria-current="page"]{border-color:rgba(185,242,39,.55);background:rgba(185,242,39,.1)}
  .nav[data-open] .nav__link[aria-current="page"]::after{display:none}
  .scorebar__tag{letter-spacing:.14em}
}

@media (max-width:820px){
  .scorebar__inner{flex-wrap:wrap;padding-block:8px;gap:6px 14px}
  .scorebar__panels{flex:1 1 100%;order:3}
  .scorebar__more{margin-left:auto}
  .grid--2{grid-template-columns:1fr}
  .footer__top{flex-direction:column;align-items:flex-start}
}

@media (max-width:600px){
  .brand__name{font-size:17px}
  .brand__sub{display:none}
  .version-badge{display:none}
  .btn{padding:9px 14px;font-size:13px}
  .nav-toggle{width:38px;height:34px}
  .grid--3{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:22px}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .theme-band > *{flex:0 0 82%}
}

/* ============ 10. 动效偏好 ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,.footer__link:hover{transform:none}
}