/* ==========================================================================
   天天电竞 · 共享站点样式  /assets/site.css
   深场底 + 指挥舱面板 + 霓虹青紫渐变节点；展览画册式节奏
   ========================================================================== */

:root{
  --void:#05070E;
  --panel:#0B1220;
  --glass:#121A2B;
  --cyan:#22E0FF;
  --cyan-deep:#0FA8C4;
  --violet:#7A4DFF;
  --green:#2FBF6B;
  --orange:#FF5A2E;
  --amber:#FFC24B;
  --grey:#8A93A6;
  --white:#F2F6FF;
  --line:rgba(138,147,166,.24);
  --line-soft:rgba(138,147,166,.13);
  --grad-pass:linear-gradient(112deg,#22E0FF 0%,#7A4DFF 100%);
  --grad-edge:linear-gradient(90deg,#22E0FF 0%,#7A4DFF 58%,rgba(122,77,255,0) 100%);
  --shell:1400px;
  --rail:268px;
  --header-h:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--void);
  color:var(--white);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px}

/* 背景：细网格 + 单一紫色环境光，不铺满 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(138,147,166,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(138,147,166,.055) 1px,transparent 1px);
  background-size:72px 72px,72px 72px;
  -webkit-mask-image:radial-gradient(circle at 28% 10%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 28% 10%,#000 0%,transparent 76%);
}
body::after{
  content:"";position:fixed;z-index:-1;top:-18vh;right:-14vw;
  width:58vw;height:58vw;max-width:780px;max-height:780px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,77,255,.20) 0%,rgba(34,224,255,.06) 45%,transparent 70%);
  filter:blur(28px);pointer-events:none;
}

/* ---------- 2. 中文排版与通用文本 ---------- */
h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.14;letter-spacing:-.01em;margin-bottom:.55em}
h1{font-size:clamp(34px,6vw,76px);font-weight:600;letter-spacing:-.015em}
h2{font-size:clamp(28px,4.2vw,52px)}
h3{font-size:clamp(20px,2.4vw,30px)}
p{line-height:1.85;margin-bottom:1.4em}
strong{font-weight:600;color:var(--white)}
small{font-size:12.5px;color:var(--grey)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.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}

/* ---------- 3. 版心与栅格 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(18px,4vw,48px)}
.shell-narrow{max-width:74ch}
main{display:block;padding-top:var(--header-h)}
.grid{display:grid;gap:clamp(18px,2.4vw,34px)}
.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(200px,var(--rail)) minmax(0,1fr)}
.grid-offset{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid-offset > *{grid-column:span 6}
.grid-offset > .col-shift{transform:translateY(clamp(0px,2vw,28px))}
.rule{height:1px;border:0;background:var(--grad-edge);opacity:.6;margin:0}

/* ---------- 4. 章节抬头 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;padding-bottom:18px;border-bottom:1px solid var(--line-soft);margin-bottom:clamp(28px,3vw,46px);
}
.section-kicker{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--cyan);margin:0 0 12px;
}
.section-title{font-size:clamp(30px,5vw,58px);font-weight:600;letter-spacing:-.01em;line-height:1.06;margin:0;text-transform:uppercase}
.section-note{margin:0;font-size:14px;color:var(--grey);max-width:46ch;line-height:1.8}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;border:1px solid var(--line);border-radius:999px;
  background:transparent;color:var(--white);font-size:14.5px;letter-spacing:.04em;
  cursor:pointer;text-decoration:none;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);
}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-primary{background:var(--grad-pass);border-color:transparent;color:#04070E;font-weight:600}
.btn-primary:hover{color:#04070E;border-color:transparent;filter:brightness(1.08)}
.btn-ghost{border-color:rgba(34,224,255,.42);color:var(--cyan)}
.btn-ghost:hover{background:rgba(34,224,255,.08);color:var(--cyan)}
.btn-quiet{border-color:transparent;color:var(--grey);padding-inline:6px}
.btn-quiet:hover{color:var(--white);border-color:transparent}

/* ---------- 6. 面包屑 ---------- */
.crumbs{margin:0 0 clamp(20px,2.4vw,32px)}
.crumbs-list{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--grey)}
.crumb-item{display:flex;align-items:center;gap:8px}
.crumb-item:not(:last-child)::after{content:"/";color:rgba(138,147,166,.45)}
.crumb-link{color:var(--grey);transition:color .2s var(--ease)}
.crumb-link:hover{color:var(--cyan)}
.crumb-current{color:var(--white)}

/* ---------- 7. 面板与数据行 ---------- */
.panel{
  position:relative;overflow:hidden;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:20px;
  padding:clamp(18px,2.4vw,30px);
}
.panel::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(140deg,rgba(34,224,255,.07) 0%,rgba(122,77,255,.05) 34%,transparent 62%);
}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:18px}
.panel-title{font-size:18px;font-weight:600;letter-spacing:.02em;margin:0}
.panel-meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--grey)}
.data-list{margin:0}
.data-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:baseline;
  padding:12px 10px;border-bottom:1px solid var(--line-soft);
  transition:background-color .2s var(--ease);
}
.data-row:hover{background:rgba(34,224,255,.06)}
.data-row:last-child{border-bottom:0}
.data-row[data-open]{background:rgba(122,77,255,.10)}
.data-key{color:var(--grey);font-size:14px}
.data-value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:15px;color:var(--white)}

/* ---------- 8. 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px solid currentColor;border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--grey);
  white-space:nowrap;
}
.tag-football{color:var(--green)}
.tag-basketball{color:var(--orange)}
.tag-pass{color:var(--cyan)}
.tag-alert{color:var(--amber)}

/* ---------- 9. 左侧筛选轨道 ---------- */
.rail{
  position:sticky;top:calc(var(--header-h) + 22px);align-self:start;
  display:flex;flex-direction:column;gap:24px;padding-right:8px;
}
.rail-group{margin:0}
.rail-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--grey);margin:0 0 12px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  appearance:none;border:1px solid var(--line);border-radius:999px;background:transparent;
  color:var(--grey);font-size:12.5px;padding:6px 13px;cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.chip:hover{color:var(--white);border-color:var(--cyan)}
.chip[aria-pressed="true"]{background:var(--grad-pass);border-color:transparent;color:#04070E;font-weight:600}

/* ---------- 10. 图片容器 ---------- */
.media{
  position:relative;display:block;overflow:hidden;border-radius:22px;
  background:linear-gradient(152deg,var(--glass) 0%,var(--panel) 62%,#080D17 100%);
  border:1px solid var(--line-soft);
}
.media::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(34,224,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,224,255,.07) 1px,transparent 1px);
  background-size:46px 46px;
}
.media img{position:relative;width:100%;height:100%;object-fit:cover}
.media-16x9{aspect-ratio:16/9}
.media-3x2{aspect-ratio:3/2}
.media-4x5{aspect-ratio:4/5}
.media-1x1{aspect-ratio:1/1}
.media-frame{position:relative;overflow:hidden;border-radius:22px}
.media-caption{margin-top:10px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--grey)}
.media-note{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:rgba(242,246,255,.75);
}

/* ---------- 11. 滚动显现 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
  transition-delay:calc(var(--reveal-i,0) * 90ms);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 12. 头部 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:80;
  background:linear-gradient(180deg,rgba(5,7,14,.90) 0%,rgba(5,7,14,.55) 58%,rgba(5,7,14,0) 100%);
  transition:background-color .32s var(--ease),box-shadow .32s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,14,.95);
  box-shadow:0 1px 0 var(--line),0 22px 46px rgba(0,0,0,.45);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:120;
  padding:11px 20px;border-radius:0 0 10px 10px;
  background:var(--cyan);color:#03121A;font-weight:600;font-size:14px;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:0}
.header-inner{
  max-width:var(--shell);margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px clamp(18px,4vw,48px);
  transition:padding .32s var(--ease);
}
.site-header.is-scrolled .header-inner{padding-block:12px}

.brand{display:inline-flex;align-items:center;gap:13px;color:var(--white)}
.brand-glyph{display:grid;gap:4px;width:26px;flex:none}
.brand-glyph i{display:block;height:3px;border-radius:2px;background:var(--grad-pass);transform-origin:left center}
.brand-glyph i:nth-child(2){width:72%}
.brand-glyph i:nth-child(3){width:42%}
.brand-text{display:block}
.brand-name{display:block;font-size:19px;font-weight:700;letter-spacing:.06em;line-height:1.3}
.brand-sub{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;color:var(--grey)}

.primary-nav{display:flex;align-items:center;gap:26px}
.nav-list{display:flex;align-items:center;gap:clamp(14px,1.9vw,28px)}
.nav-link{
  display:block;padding:8px 2px;color:var(--grey);
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.nav-index{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--grey);opacity:.72;line-height:1.4}
.nav-label{display:block;font-size:15px;letter-spacing:.04em;line-height:1.5}
.nav-link:hover{color:var(--white);border-bottom-color:var(--cyan)}
.nav-link:hover .nav-index{color:var(--cyan);opacity:1}
.nav-link[aria-current="page"]{color:var(--white);border-bottom-color:var(--cyan)}
.nav-link[aria-current="page"] .nav-index{color:var(--cyan);opacity:1}
.nav-note{display:none;margin:0}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 15px;border:1px solid var(--line);border-radius:999px;
  background:rgba(18,26,43,.72);color:var(--white);cursor:pointer;
  transition:border-color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle-bars{display:grid;gap:4px;width:18px;flex:none}
.nav-toggle-bars i{display:block;height:1.5px;background:var(--white);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-toggle-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--grey)}

.header-status{
  max-width:var(--shell);margin-inline:auto;
  display:flex;align-items:center;gap:14px;
  padding:0 clamp(18px,4vw,48px) 16px;
  overflow:hidden;max-height:150px;opacity:1;
  transition:max-height .32s var(--ease),opacity .22s var(--ease),padding .32s var(--ease);
}
.site-header.is-scrolled .header-status{max-height:0;opacity:0;padding-bottom:0}
.status-pulse{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--grad-pass);
  box-shadow:0 0 0 0 rgba(34,224,255,.5);
  animation:pulse-once 1.6s var(--ease) 1;
}
@keyframes pulse-once{
  0%{box-shadow:0 0 0 0 rgba(34,224,255,.55)}
  70%{box-shadow:0 0 0 12px rgba(34,224,255,0)}
  100%{box-shadow:0 0 0 0 rgba(34,224,255,0)}
}
.status-text{
  margin:0;font-size:12.5px;line-height:1.7;color:var(--grey);
  font-variant-numeric:tabular-nums;
}
.status-link{
  margin-left:auto;flex:none;font-size:12.5px;color:var(--cyan);letter-spacing:.06em;
  border-bottom:1px solid rgba(34,224,255,.4);transition:border-color .2s var(--ease)
}
.status-link:hover{border-bottom-color:var(--cyan)}

.scroll-progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(138,147,166,.14)}
.progress-bar{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left center;
  background:var(--grad-pass);transition:transform .12s linear;
}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,7vw,120px);
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(11,18,32,.35) 0%,rgba(5,7,14,.98) 46%,var(--void) 100%);
}
.footer-top{
  max-width:var(--shell);margin-inline:auto;
  padding:clamp(38px,5vw,72px) clamp(18px,4vw,48px) clamp(26px,3vw,44px);
  display:grid;gap:clamp(26px,3.4vw,52px);
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) minmax(0,1.2fr);
}
.footer-brand{font-size:26px;font-weight:700;letter-spacing:.08em;margin:0 0 6px}
.footer-sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--cyan);margin:0 0 20px}
.footer-fact{margin:0;font-size:13.5px;line-height:1.9;color:var(--grey);max-width:40ch}
.footer-nav{margin:0}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px}
.footer-links-item{margin:0}
.footer-link{
  display:inline-block;font-size:14px;color:var(--grey);
  border-bottom:1px solid transparent;padding:2px 0;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-link:hover{color:var(--white);border-bottom-color:var(--cyan)}
.footer-contact{margin:0}
.footer-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--grey);margin:0 0 16px;
}
.contact-item{display:grid;gap:4px;margin:0 0 12px}
.contact-key{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:rgba(138,147,166,.75)}
.contact-value{font-size:14px;color:var(--white);line-height:1.7;word-break:break-word}
.contact-note{margin:14px 0 0;font-size:12.5px;line-height:1.8;color:var(--grey)}
.footer-base{
  max-width:var(--shell);margin-inline:auto;
  padding:18px clamp(18px,4vw,48px) 34px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--grey);
}
.footer-legal{margin:0;color:var(--white)}
.footer-note{margin:0}
.footer-year{margin:0;margin-left:auto}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1180px){
  .grid-offset > *{grid-column:span 12}
  .grid-offset > .col-shift{transform:none}
}
@media (max-width:980px){
  :root{--header-h:84px}
  .grid-2,.grid-3,.grid-aside{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;padding-right:0}
  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-identity{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:fixed;top:0;left:0;right:0;z-index:70;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding-top:96px;
    max-height:0;opacity:0;visibility:hidden;pointer-events:none;overflow:hidden;
    background:rgba(5,7,14,.98);
    border-bottom:1px solid var(--line-soft);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    transition:max-height .34s var(--ease),opacity .24s var(--ease),visibility .24s var(--ease);
  }
  .primary-nav[data-open]{
    max-height:min(82vh,620px);overflow-y:auto;opacity:1;visibility:visible;pointer-events:auto;
    padding-bottom:28px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:8px clamp(18px,4vw,48px) 0}
  .nav-item{border-bottom:1px solid var(--line-soft)}
  .nav-link{display:flex;align-items:baseline;gap:14px;padding:17px 0;border-bottom:0}
  .nav-link:hover,.nav-link[aria-current="page"]{border-bottom-color:transparent}
  .nav-link[aria-current="page"] .nav-label{color:var(--cyan)}
  .nav-index{font-size:11px}
  .nav-note{
    display:block;margin:18px clamp(18px,4vw,48px) 0;
    font-size:12.5px;line-height:1.8;color:var(--grey);
  }
  body.nav-open{overflow:hidden}
}
@media (max-width:760px){
  .header-status{display:none}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-links{grid-template-columns:minmax(0,1fr)}
  .footer-year{margin-left:0}
  .status-link{margin-left:0}
}

/* ---------- 15. 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;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .progress-bar{transition:none}
  .grid-offset > .col-shift{transform:none}
}

/* ---------- 16. 打印 ---------- */
@media print{
  body{background:#fff;color:#111}
  body::before,body::after{display:none}
  .site-header,.site-footer,.scroll-progress,.skip-link{display:none}
  main{padding-top:0}
  a{color:#111}
}