/* ============================================================
   极速电竞 · 全站共享样式 /assets/site.css
   技术蓝图式夜间赛场：深空底 + 电光青 + 脉冲紫 + 赛事红
   ============================================================ */

:root{
  --bg:#070C14;
  --panel:#0E1730;
  --violet:#241A46;
  --wine:#3A1020;
  --cyan:#24E0D2;
  --pulse:#9B6CFF;
  --red:#FF3D5E;
  --paper:#F2EDE2;
  --ink:#E9EFF8;
  --muted:#93A4BC;
  --line:#1C2A42;
  --line-soft:rgba(28,42,66,.62);
  --ink-dark:#0B1220;

  --grid:24px;
  --shell:1240px;
  --pad:clamp(16px,3.4vw,32px);
  --radius:2px;

  --font-display:"Archivo Narrow","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","Source Han Sans SC",ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg);scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(28,42,66,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(28,42,66,.5) 1px,transparent 1px),
    radial-gradient(90% 55% at 10% -6%,rgba(155,108,255,.17),transparent 62%),
    radial-gradient(75% 48% at 94% -2%,rgba(36,224,210,.13),transparent 64%);
  background-size:var(--grid) var(--grid),var(--grid) var(--grid),100% 100%,100% 100%;
  background-repeat:repeat,repeat,no-repeat,no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--pulse)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.14;
  margin:0 0 .5em;
  color:var(--ink);
}
h1{font-size:clamp(34px,5vw,64px)}
h2{font-size:clamp(24px,3.2vw,40px)}
h3{font-size:clamp(18px,2.1vw,24px);letter-spacing:-.01em}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:var(--radius)}

/* ---------- 通用容器 / 排版 ---------- */
.container{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.prose{max-width:42em}
.prose p{font-size:17px;line-height:1.78;color:var(--ink)}
.prose h2,.prose h3{margin-top:1.6em}
.prose ul{margin:0 0 1.2em;padding-left:0}
.prose ul li{position:relative;padding-left:18px;margin-bottom:.5em;color:var(--ink)}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--cyan)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:200;
  padding:10px 16px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--ink-dark);background:var(--cyan);
  border:1px solid var(--ink-dark);
  transition:top .18s ease;
}
.skip-link:focus{top:10px;color:var(--ink-dark)}

/* ---------- 命令栏 ---------- */
.cmd-bar{position:relative;z-index:60}
.cmd-inner{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:clamp(10px,1.6vw,20px);
  min-height:58px;
  padding:0 var(--pad);
  background:linear-gradient(180deg,rgba(7,12,20,.97),rgba(7,12,20,.88));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(36,224,210,.16);
}
.brand{
  display:inline-flex;align-items:center;gap:6px;
  flex:0 0 auto;
  padding:7px 14px 7px 11px;
  font-family:var(--font-display);
  font-weight:900;font-size:16px;letter-spacing:-.01em;
  color:var(--ink);
  background:var(--panel);
  border:1px solid var(--line);
  clip-path:polygon(0 0,100% 0,calc(100% - 10px) 100%,0 100%);
  text-decoration:none;
}
.brand:hover{color:var(--ink);background:#132043}
.brand-mark{font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--cyan)}
.brand-sep{color:var(--pulse)}
.brand-name{white-space:nowrap}

.site-nav{flex:1 1 auto;min-width:0}
.nav-index{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-index a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 10px;
  font-size:13.5px;font-weight:500;color:var(--muted);
  border-bottom:2px solid transparent;
  text-decoration:none;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.nav-index a:hover{color:var(--ink);background:rgba(36,224,210,.07);border-bottom-color:rgba(36,224,210,.45)}
.nav-index a[aria-current="page"]{color:var(--cyan);background:rgba(36,224,210,.1);border-bottom-color:var(--cyan)}
.nav-num{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--pulse)}
.nav-index a[aria-current="page"] .nav-num{color:var(--cyan)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:8px 12px;
  border:1px solid var(--line);
  background:rgba(36,26,70,.5);
  color:var(--ink);
  clip-path:polygon(0 0,100% 0,calc(100% - 9px) 100%,0 100%);
}
.nav-toggle-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:16px}
.nav-toggle-bars i{display:block;height:2px;background:var(--cyan);transition:transform .22s ease,opacity .22s ease}
.cmd-bar[data-open] .nav-toggle-bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.cmd-bar[data-open] .nav-toggle-bars i:nth-child(2){opacity:0}
.cmd-bar[data-open] .nav-toggle-bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.cmd-readout{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.readout{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  border:1px solid var(--line);
  background:rgba(14,23,48,.72);
  white-space:nowrap;
}
.readout--version{border-color:rgba(155,108,255,.5);box-shadow:inset 0 0 0 1px rgba(155,108,255,.08)}
.readout--live{border-color:rgba(36,224,210,.45)}
.readout-key{color:var(--muted);text-transform:uppercase}
.readout-val{color:var(--ink);font-weight:700}
.readout--version .readout-val{color:var(--pulse)}
.readout--live .readout-val{color:var(--cyan)}
.readout-dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(36,224,210,.18);
  animation:pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.82)}
}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(28,42,66,.7);
}
.scroll-progress span{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--cyan),var(--pulse) 70%,var(--red));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .18s linear;
}

/* ---------- 入口带 ---------- */
.entry-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  background:linear-gradient(90deg,var(--panel) 0%,var(--violet) 52%,var(--wine) 100%);
  border-bottom:1px solid var(--line);
}
.entry-item{
  position:relative;
  display:flex;flex-direction:column;gap:4px;
  padding:13px clamp(14px,2.6vw,26px) 15px;
  color:var(--ink);
  text-decoration:none;
  background:rgba(7,12,20,.48);
  clip-path:polygon(0 0,100% 0,calc(100% - 20px) 100%,0 100%);
  transition:background .2s ease;
}
.entry-item:hover,.entry-item:focus-visible{background:rgba(36,224,210,.12);color:var(--ink)}
.entry-top{display:flex;align-items:baseline;gap:10px}
.entry-num{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--cyan)}
.entry-name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:-.01em}
.entry-meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.entry-item:hover .entry-meta{color:#C8D6E8}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  border:1px solid var(--line);
  background:rgba(14,23,48,.7);
  color:var(--ink);
  text-decoration:none;
  clip-path:polygon(0 0,100% 0,calc(100% - 11px) 100%,0 100%);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{color:var(--ink);border-color:var(--cyan);background:rgba(36,224,210,.12);transform:translateY(-1px)}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:var(--ink-dark);font-weight:700}
.btn--primary:hover{background:var(--pulse);border-color:var(--pulse);color:var(--ink-dark)}
.btn--ghost{background:transparent;border-color:rgba(155,108,255,.55);color:var(--pulse)}
.btn--ghost:hover{background:rgba(155,108,255,.14);border-color:var(--pulse);color:var(--ink)}

/* ---------- 纸张叠层标签 ---------- */
.tag{
  display:inline-block;
  padding:5px 11px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-dark);background:var(--paper);
  border:1px solid var(--ink-dark);
  box-shadow:3px 3px 0 rgba(36,224,210,.5),6px 6px 0 rgba(155,108,255,.32);
}
.tag--version{color:var(--ink-dark)}
.stamp{
  display:inline-block;max-width:100%;
  padding:7px 13px;
  font-family:var(--font-mono);font-size:11px;line-height:1.6;letter-spacing:.08em;
  color:var(--ink-dark);background:var(--paper);
  border:1px solid var(--ink-dark);
  box-shadow:3px 3px 0 rgba(36,224,210,.45),6px 6px 0 rgba(155,108,255,.3);
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0 0;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--muted);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb-sep{color:var(--line);font-size:12px}
.crumb [aria-current="page"]{color:var(--ink)}

/* ---------- 分区 / 章节标题条 ---------- */
.section-head{
  display:flex;align-items:baseline;gap:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  margin-bottom:24px;
}
.section-head h2{margin:0;font-size:clamp(20px,2.6vw,30px)}
.section-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--cyan);flex:0 0 auto}
.divider{border-top:1px solid var(--line);margin:0}

/* ---------- 内容面板 ---------- */
.panel{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,23,48,.78),rgba(7,12,20,.72));
  padding:clamp(18px,2.6vw,30px);
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding-bottom:12px;margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.panel-head h3{margin:0;font-size:18px}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--3-9{grid-template-columns:minmax(0,1fr)}
@media (min-width:960px){
  .grid--3-9{grid-template-columns:3fr 9fr}
}
.col-rail{min-width:0}
.col-main{min-width:0}

/* ---------- 图片容器（页面阶段放 <img>） ---------- */
.figure{
  position:relative;
  margin:0;
  aspect-ratio:16/9;
  overflow:hidden;
  border:1px solid var(--line);
  background:
    linear-gradient(135deg,rgba(36,224,210,.1),rgba(155,108,255,.12)),
    var(--panel);
}
.figure img{width:100%;height:100%;object-fit:cover}
.figure::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--pulse));
  opacity:.65;
}
.figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 14px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--ink);
  background:linear-gradient(180deg,rgba(7,12,20,0),rgba(7,12,20,.92));
}
.figure--wide{aspect-ratio:21/9}
.figure--tall{aspect-ratio:3/4}
.figure--square{aspect-ratio:1/1}

/* ---------- 滚动显现协议 ---------- */
[data-reveal]{transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-hidden{opacity:0;transform:translateY(12px)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,23,48,.92),rgba(7,12,20,.98) 58%);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--pulse) 46%,transparent 78%);
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(220px,1.5fr) repeat(3,minmax(120px,.85fr)) minmax(220px,1.25fr);
  gap:clamp(20px,3vw,40px);
  padding-block:clamp(34px,5vw,58px);
}
.footer-brand,.footer-col,.footer-contact{min-width:0}
.footer-logo{
  display:flex;align-items:baseline;gap:7px;
  font-family:var(--font-display);font-weight:900;font-size:20px;letter-spacing:-.01em;
  margin:0 0 12px;color:var(--ink);
}
.footer-desc{font-size:14.5px;line-height:1.7;color:var(--muted);max-width:28em;margin-bottom:16px}
.footer-col-title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.14em;
  color:var(--cyan);margin:0 0 14px;text-transform:uppercase;
}
.footer-links li{margin-bottom:9px}
.footer-links a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:var(--ink);
  transition:color .18s ease;
}
.footer-links a::before{
  content:"";width:7px;height:1px;background:var(--line);flex:0 0 auto;
  transition:background .18s ease,width .18s ease;
}
.footer-links a:hover{color:var(--cyan)}
.footer-links a:hover::before{background:var(--cyan);width:12px}

.contact-list li{display:flex;gap:10px;margin-bottom:10px;align-items:baseline}
.contact-key{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  color:var(--pulse);
  border:1px solid rgba(155,108,255,.4);
  padding:2px 6px;
}
.contact-val{font-size:14px;color:var(--ink);word-break:break-word;font-family:var(--font-mono);letter-spacing:.01em}
.footer-note{font-size:12.5px;line-height:1.7;color:var(--muted);margin:14px 0 0;max-width:30em}

.footer-base{border-top:1px solid var(--line);background:rgba(7,12,20,.7)}
.footer-base-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-block:16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted);
}
.footer-copy,.footer-icp{margin:0}
.footer-icp{color:var(--ink)}

/* ---------- 平板 ---------- */
@media (max-width:1120px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
}

/* ---------- 移动导航与命令栏 ---------- */
@media (max-width:900px){
  .cmd-inner{flex-wrap:wrap;gap:10px;padding-block:8px;min-height:0}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .cmd-readout{margin-left:0}
  .site-nav{
    display:none;
    flex-basis:100%;
    margin:0 calc(var(--pad) * -1) -8px;
    border-top:1px solid var(--line);
    background:rgba(7,12,20,.96);
    max-height:min(72vh,520px);
    overflow-y:auto;
  }
  .cmd-bar[data-open] .site-nav{display:block}
  .nav-index{flex-direction:column;align-items:stretch;gap:0}
  .nav-index a{
    justify-content:flex-start;
    padding:13px var(--pad);
    font-size:15px;
    border-bottom:1px solid var(--line-soft);
    border-left:2px solid transparent;
  }
  .nav-index a[aria-current="page"]{
    border-bottom-color:var(--line-soft);
    border-left-color:var(--cyan);
    background:rgba(36,224,210,.09);
  }
  .nav-index li:last-child a{border-bottom:0}
  .entry-band{grid-template-columns:minmax(0,1fr)}
  .entry-item{clip-path:none;border-bottom:1px solid var(--line-soft);padding-block:14px}
  .entry-band .entry-item:last-child{border-bottom:0}
  .entry-item:hover,.entry-item:focus-visible{background:rgba(36,224,210,.1)}
}

@media (max-width:720px){
  body{font-size:16px;line-height:1.72}
  .prose p{font-size:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-brand,.footer-contact{grid-column:auto}
  .footer-base-inner{justify-content:flex-start}
}

@media (max-width:560px){
  .readout-key{display:none}
  .readout{padding:5px 8px}
  .brand-name{display:none}
  .brand{padding:7px 12px 7px 10px}
}

/* ---------- 无障碍与动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal],
  [data-reveal].is-hidden{opacity:1 !important;transform:none !important;transition:none !important}
  .readout-dot{animation:none}
}