/* ==========================================================================
   333赛场 · 共享外壳样式 /assets/site.css
   夜间球场底 + 荧光青柠/电光橙数据高亮 + 切角面板与斜向节奏
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#0B2A22;
  --charcoal:#101312;
  --cream:#F2EDE3;
  --brown:#241C16;
  --lime:#C9FF3D;
  --orange:#FF6A2B;
  --steel:#55605D;
  --silver:#B9C3C0;
  --moss:#1E4A3C;
  --red:#A3202A;
  --white:#FFFFFF;

  --font-display:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"JetBrains Mono","Roboto Mono",SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shell:1280px;
  --gutter:clamp(18px,4vw,56px);
  --header-h:76px;
  --line-dark:rgba(185,195,192,.20);
  --line-light:rgba(36,28,22,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 重置与中文排版 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 20px);
}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.is-nav-open{overflow:hidden}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
::selection{background:var(--lime);color:#0B2A22}

/* ---------- 3. 布局基元 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:940px}

.section{position:relative;padding:clamp(58px,8vw,124px) 0}
.section--ink{background:var(--ink);color:var(--cream)}
.section--charcoal{background:var(--charcoal);color:var(--cream)}
.section--cream{background:var(--cream);color:var(--brown)}
.section--moss{background:var(--moss);color:var(--cream)}

.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--asym{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}

.band{
  height:clamp(8px,1.2vw,14px);
  background:linear-gradient(100deg,var(--lime) 0%,var(--lime) 26%,var(--orange) 66%,rgba(255,106,43,0) 100%);
  transform:skewX(-14deg);
}

/* ---------- 4. 文字系统 ---------- */
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font:700 12.5px/1 var(--font-num);
  letter-spacing:.2em;
  color:var(--lime);
}
.kicker::before{content:"";width:22px;height:3px;background:currentColor;transform:skewX(-24deg)}

.h-display{font-family:var(--font-display);font-weight:900;font-size:clamp(40px,7vw,112px);line-height:.94;letter-spacing:-.02em}
.h-section{font-family:var(--font-display);font-weight:800;font-size:clamp(30px,4.4vw,56px);line-height:1.06;letter-spacing:-.01em}
.h-block{font-family:var(--font-display);font-weight:800;font-size:clamp(22px,2.6vw,32px);line-height:1.22}

.lede{font-size:clamp(17px,1.4vw,20px);line-height:1.78;color:var(--silver);max-width:62ch}
.section--cream .lede{color:#5C5147}
.muted{color:var(--steel);font-size:14px}
.section--cream .muted{color:#7A6A58}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.num--xl{font-size:clamp(40px,6vw,72px);line-height:1;font-weight:700}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border:1px solid rgba(185,195,192,.35);border-radius:2px;
  font:600 12px/1 var(--font-num);letter-spacing:.08em;color:var(--silver);
}
.tag--up{border-color:rgba(201,255,61,.6);color:var(--lime)}
.tag--playoff{border-color:rgba(255,106,43,.65);color:var(--orange)}
.tag--down{border-color:rgba(163,32,42,.75);color:#EF8891}

/* ---------- 5. 按钮与切角面板 ---------- */
.btn{
  --btn-bg:var(--lime);
  --btn-fg:#0C211A;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;
  background:var(--btn-bg);
  color:var(--btn-fg);
  font:700 15px/1 var(--font-display);
  letter-spacing:.03em;
  white-space:nowrap;
  clip-path:polygon(11px 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%,0 11px);
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.btn:hover{transform:translateY(-2px);background:#D9FF6E}
.btn:focus-visible{outline:none;filter:drop-shadow(0 0 3px var(--lime)) drop-shadow(0 0 10px rgba(201,255,61,.7))}
.btn--orange{--btn-bg:var(--orange);--btn-fg:#22100A}
.btn--orange:hover{background:#FF8350}
.btn--orange:focus-visible{filter:drop-shadow(0 0 3px var(--orange)) drop-shadow(0 0 10px rgba(255,106,43,.7))}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--cream);box-shadow:inset 0 0 0 1px rgba(185,195,192,.45)}
.btn--ghost:hover{background:rgba(201,255,61,.12);color:var(--lime)}
.btn--cta{white-space:nowrap}

.panel-cut{
  background:linear-gradient(150deg,rgba(30,74,60,.95),rgba(11,42,34,.95) 60%,rgba(16,19,18,.95));
  padding:clamp(22px,3vw,38px);
  clip-path:polygon(0 0,calc(100% - 30px) 0,100% 30px,100% 100%,30px 100%,0 calc(100% - 30px));
}

/* ---------- 6. 面包屑与长文 ---------- */
.breadcrumbs{margin-bottom:clamp(18px,2.4vw,30px)}
.breadcrumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font:600 12.5px/1 var(--font-num);letter-spacing:.08em}
.breadcrumbs-list li{display:flex;align-items:center;gap:8px;color:var(--steel)}
.breadcrumbs-list li::after{content:"/";color:rgba(85,96,93,.55)}
.breadcrumbs-list li:last-child::after{content:""}
.breadcrumbs-list a{color:var(--steel);transition:color .22s var(--ease)}
.breadcrumbs-list a:hover{color:var(--orange)}
.breadcrumbs-list [aria-current="page"]{color:var(--silver)}
.breadcrumbs--dark .breadcrumbs-list li,
.breadcrumbs--dark .breadcrumbs-list a{color:rgba(185,195,192,.7)}
.breadcrumbs--dark .breadcrumbs-list a:hover{color:var(--lime)}
.breadcrumbs--dark .breadcrumbs-list [aria-current="page"]{color:var(--lime)}

.prose{max-width:66ch;font-size:17px;line-height:1.85;color:var(--brown)}
.prose p+p{margin-top:1.1em}
.prose h2{font-family:var(--font-display);font-weight:800;font-size:clamp(24px,3vw,32px);line-height:1.25;margin:1.8em 0 .7em;color:var(--brown)}
.prose h3{font-family:var(--font-display);font-weight:700;font-size:21px;line-height:1.35;margin:1.5em 0 .6em}
.prose ul{list-style:none;margin:1em 0}
.prose li{position:relative;padding-left:20px;margin-top:.6em}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:2px;background:var(--orange);transform:skewX(-24deg)}
.prose--dark{color:var(--cream)}
.prose--dark h2,.prose--dark h3{color:var(--cream)}

/* ---------- 7. 图片容器基元（供页面阶段放置图片） ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  isolation:isolate;
  background:linear-gradient(150deg,#123A2E,#0B2A22 55%,#101312);
}
.media-frame::before{
  content:"";
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    repeating-linear-gradient(115deg,rgba(201,255,61,.06) 0 2px,transparent 2px 10px),
    linear-gradient(180deg,rgba(11,42,34,0) 42%,rgba(6,16,13,.74) 100%);
  opacity:.8;
}
.media-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;z-index:3;
  background:linear-gradient(90deg,var(--lime),var(--orange) 55%,rgba(255,106,43,0));
}
.media-frame img,.media-frame video{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;display:block}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--21x9{aspect-ratio:21/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--3x4{aspect-ratio:3/4}
.media-caption{
  position:absolute;z-index:4;
  left:clamp(14px,2vw,24px);right:clamp(14px,2vw,24px);bottom:clamp(14px,2vw,24px);
  margin:0;font:600 12.5px/1.65 var(--font-num);letter-spacing:.04em;color:var(--silver);
}
.media-frame--empty::before{opacity:.5}
.media-empty-label{
  position:absolute;z-index:4;left:50%;top:50%;transform:translate(-50%,-50%);
  font:600 12px/1 var(--font-num);letter-spacing:.24em;color:rgba(185,195,192,.6);white-space:nowrap;
}

/* ---------- 8. 页头 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:1000;
  padding:11px 18px;border-radius:2px;
  background:var(--lime);color:#0B2A22;
  font:700 14px/1 var(--font-display);letter-spacing:.04em;
  transform:translateY(-180%);
  transition:transform .26s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  color:var(--white);
  background:linear-gradient(180deg,rgba(5,23,18,.9) 0%,rgba(5,23,18,.48) 62%,rgba(5,23,18,0) 100%);
  border-bottom:1px solid transparent;
  transition:background-color .38s var(--ease),border-color .38s var(--ease),box-shadow .38s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:rgba(16,19,18,.97);
  border-bottom-color:rgba(201,255,61,.3);
  box-shadow:0 26px 50px -34px rgba(0,0,0,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}

.scroll-meter{position:absolute;left:0;right:0;bottom:0;height:2px;overflow:hidden;background:rgba(185,195,192,.14)}
.scroll-meter__fill{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--lime),var(--orange));
}

.header-shell{
  position:relative;
  width:100%;max-width:var(--shell);margin-inline:auto;
  min-height:var(--header-h);
  padding:0 var(--gutter);
  display:flex;align-items:center;
  gap:clamp(14px,2.4vw,40px);
}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:grid;gap:3px;width:26px;flex:0 0 auto}
.brand-mark i{display:block;height:5px;background:var(--lime);transform:skewX(-22deg)}
.brand-mark i:nth-child(1){width:100%}
.brand-mark i:nth-child(2){width:74%;background:var(--orange)}
.brand-mark i:nth-child(3){width:48%;background:var(--white);opacity:.82}
.brand-text{display:flex;flex-direction:column}
.brand-name{font:800 20px/1 var(--font-display);letter-spacing:.02em;color:var(--white)}
.brand-sub{margin-top:5px;font:600 10.5px/1 var(--font-num);letter-spacing:.16em;color:rgba(242,237,227,.55)}

.site-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:clamp(2px,1.5vw,26px)}
.nav-link{
  position:relative;display:inline-block;padding:12px 2px;
  font:600 15px/1 var(--font-display);letter-spacing:.03em;
  color:rgba(242,237,227,.82);
  transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--lime);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--white)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--lime)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--orange)}

.nav-aside{display:none}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.update-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border:1px solid rgba(185,195,192,.35);border-radius:2px;
  font:600 12px/1 var(--font-num);letter-spacing:.04em;color:var(--silver);
  white-space:nowrap;
}
.update-badge__dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 auto;
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(201,255,61,.55)}
  70%{box-shadow:0 0 0 9px rgba(201,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(201,255,61,0)}
}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:10px 13px;position:relative;z-index:3;
  border:1px solid rgba(201,255,61,.5);
  background:rgba(11,42,34,.78);
  color:var(--lime);
  font:700 13px/1 var(--font-display);letter-spacing:.08em;
}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--charcoal);color:var(--silver);
  padding:clamp(52px,7vw,94px) 0 0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--lime) 0%,var(--lime) 20%,var(--orange) 62%,rgba(255,106,43,0) 100%);
}
.site-footer::after{
  content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;pointer-events:none;
  background:radial-gradient(circle,rgba(201,255,61,.13),rgba(201,255,61,0) 70%);
}
.footer-shell{position:relative;z-index:1;width:100%;max-width:var(--shell);margin-inline:auto;padding:0 var(--gutter)}

.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:clamp(26px,3.4vw,56px)}
.footer-col--brand{max-width:38ch}

.brand--footer .brand-name{color:var(--cream)}
.brand--footer .brand-sub{color:rgba(185,195,192,.6)}

.footer-lead{margin-top:20px;font-size:15px;line-height:1.78;color:var(--silver)}
.footer-note{margin-top:14px;font:600 12px/1.7 var(--font-num);letter-spacing:.04em;color:var(--steel)}

.footer-title{
  position:relative;padding-bottom:14px;margin-bottom:18px;
  font:800 13px/1 var(--font-display);letter-spacing:.16em;color:var(--cream);
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;
  background:var(--lime);transform:skewX(-24deg);
}

.footer-list li+li{margin-top:11px}
.footer-list a{
  position:relative;display:inline-block;
  font-size:15px;color:var(--silver);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-list a::before{
  content:"";position:absolute;left:-14px;top:.66em;width:7px;height:2px;
  background:var(--orange);transform:skewX(-24deg);opacity:0;
  transition:opacity .22s var(--ease);
}
.footer-list a:hover{color:var(--lime);transform:translateX(14px)}
.footer-list a:hover::before{opacity:1}

.footer-contact li+li{margin-top:15px}
.footer-contact li{display:flex;flex-direction:column;gap:4px}
.contact-label{font:600 11px/1 var(--font-num);letter-spacing:.16em;color:var(--steel)}
.contact-value{font-size:15px;line-height:1.6;color:var(--cream);word-break:break-word}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 30px;
  margin-top:clamp(38px,5vw,64px);
  padding:22px 0 30px;
  border-top:1px dashed rgba(185,195,192,.22);
  font:600 12.5px/1.6 var(--font-num);letter-spacing:.04em;color:var(--steel);
}
.footer-icp{color:var(--silver)}
.footer-stamp{color:var(--steel)}
.footer-stamp [data-year]{color:var(--lime)}

/* ---------- 10. 返回顶部 ---------- */
.to-top{
  position:fixed;z-index:950;
  right:clamp(14px,2.4vw,32px);bottom:clamp(14px,2.4vw,32px);
  width:52px;height:52px;display:grid;place-items:center;
  background:rgba(11,42,34,.94);
  border:1px solid rgba(201,255,61,.55);
  color:var(--lime);
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--lime);color:#0B2A22}
.to-top:focus-visible{outline:none;filter:drop-shadow(0 0 3px var(--lime)) drop-shadow(0 0 10px rgba(201,255,61,.7))}
.to-top__icon{font:700 20px/1 var(--font-num)}

/* ---------- 11. 交互协议组件 ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .66s var(--ease),transform .66s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

[data-count]{font-family:var(--font-num);font-variant-numeric:tabular-nums}

[data-hidden="true"]{display:none !important}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{
  padding:9px 16px;border:1px solid rgba(185,195,192,.3);border-radius:2px;
  font:600 13px/1 var(--font-num);letter-spacing:.06em;color:var(--silver);
  transition:background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.filter-chip:hover{border-color:var(--lime);color:var(--lime)}
.filter-chip[data-active="true"]{background:var(--lime);border-color:var(--lime);color:#0C211A}

[data-chapter-link]{
  position:relative;display:block;padding:9px 0 9px 20px;
  font:600 14px/1.45 var(--font-body);color:var(--steel);
  transition:color .22s var(--ease);
}
[data-chapter-link]::before{
  content:"";position:absolute;left:0;top:50%;width:8px;height:2px;
  background:currentColor;opacity:.6;transform:translateY(-50%) skewX(-24deg);
  transition:width .22s var(--ease),opacity .22s var(--ease),background-color .22s var(--ease);
}
[data-chapter-link]:hover{color:var(--cream)}
[data-chapter-link][data-active="true"]{color:var(--lime)}
[data-chapter-link][data-active="true"]::before{width:15px;background:var(--lime);opacity:1}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1080px){
  .header-actions .update-badge{display:none}
}

@media (max-width:900px){
  :root{--header-h:64px}

  .header-shell{gap:16px}
  .nav-toggle{display:inline-flex}
  .header-actions .btn--cta{display:none}

  .site-nav{
    position:fixed;top:0;right:0;z-index:1;
    width:min(350px,88vw);height:100vh;height:100dvh;
    margin-left:0;
    padding:calc(var(--header-h) + 26px) var(--gutter) 34px;
    display:flex;flex-direction:column;gap:22px;
    background:linear-gradient(180deg,var(--ink) 0%,#08211B 62%,var(--charcoal) 100%);
    border-left:1px solid rgba(201,255,61,.45);
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(103%);
    transition:transform .4s var(--ease),visibility .4s var(--ease);
  }
  .site-header[data-open="true"] .site-nav{visibility:visible;transform:none}
  .site-header[data-open="true"]::after{
    content:"";position:fixed;inset:0;z-index:0;
    background:rgba(4,14,11,.66);
    -webkit-backdrop-filter:blur(2px);
    backdrop-filter:blur(2px);
  }

  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:block;padding:16px 0;font-size:19px;
    border-bottom:1px dashed rgba(185,195,192,.18);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--lime);padding-left:18px}
  .nav-link[aria-current="page"]::before{
    content:"";position:absolute;left:0;top:50%;width:9px;height:9px;
    background:var(--orange);transform:translateY(-50%) rotate(45deg);
  }

  .nav-aside{
    display:flex;flex-direction:column;align-items:flex-start;gap:16px;
    padding-top:22px;border-top:1px solid rgba(201,255,61,.25);
  }

  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--asym{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:600px){
  body{font-size:16px}
  .brand-sub{display:none}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .footer-bottom{justify-content:flex-start}
  .btn{padding:11px 18px;font-size:14px}
  .update-badge{font-size:11.5px}
}

/* ---------- 13. 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .to-top{transform:none}
  .btn:hover{transform:none}
  .footer-list a:hover{transform:none}
}