/* =========================================================
   忆博电竞 · 共享外壳样式  /assets/site.css
   深空黑底 + 电竞紫色块 + 霓虹青数据高亮
   ========================================================= */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
table{border-collapse:collapse;width:100%}

/* ---------- 2. tokens ---------- */
:root{
  --ink:#08070F;
  --panel:#12101F;
  --panel-2:#1E1935;
  --purple:#6C3BFF;
  --purple-lift:#A88BFF;
  --cyan:#3FF0D0;
  --amber:#FF7A33;
  --text:#ECEBF5;
  --dim:#9C99B8;
  --line:#2A2542;
  --white:#FFFFFF;

  --maxw:1280px;
  --edge:clamp(18px,4vw,40px);
  --gap:24px;
  --cut:18px;

  --font-display:"Noto Sans SC Condensed","Source Han Sans SC Heavy","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- 3. base ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  color:var(--text);
  background-color:var(--ink);
  background-image:
    radial-gradient(115% 70% at 6% -8%,rgba(108,59,255,.22),transparent 58%),
    radial-gradient(80% 55% at 100% 0%,rgba(63,240,208,.08),transparent 62%);
  background-repeat:no-repeat;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(168,139,255,.09) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(180deg,#000 0,rgba(0,0,0,.35) 45%,transparent 85%);
  mask-image:linear-gradient(180deg,#000 0,rgba(0,0,0,.35) 45%,transparent 85%);
}
main,#main-content{position:relative;z-index:1}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.16;letter-spacing:.06em;color:var(--text)}
p{max-width:74ch}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

::selection{background:rgba(108,59,255,.55);color:#fff}

/* ---------- 4. utilities ---------- */
.shell{width:min(calc(100% - 2 * var(--edge)),var(--maxw));margin-inline:auto}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.dim{color:var(--dim)}
.section{padding:clamp(44px,6.5vw,88px) 0}
.section--tight{padding:clamp(24px,4vw,48px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;
  color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--cyan);flex:none}
.display-1{font-size:clamp(34px,5vw,64px);letter-spacing:.06em}
.display-2{font-size:clamp(24px,3vw,36px);letter-spacing:.06em}
.lede{font-size:clamp(16px,1.4vw,18px);line-height:1.8;color:#C9C6E2;max-width:62ch}
.note-side{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:var(--dim);text-transform:uppercase;
}

/* ---------- 5. grid ---------- */
.grid{display:grid;gap:var(--gap);grid-template-columns:1fr}
.split{display:grid;gap:var(--gap);grid-template-columns:1fr}
@media (min-width:900px){
  .grid{grid-template-columns:repeat(12,1fr)}
  .span-3{grid-column:span 3}
  .span-4{grid-column:span 4}
  .span-5{grid-column:span 5}
  .span-6{grid-column:span 6}
  .span-7{grid-column:span 7}
  .span-8{grid-column:span 8}
  .span-9{grid-column:span 9}
  .span-12{grid-column:span 12}
  .split{grid-template-columns:repeat(12,1fr);align-items:start}
  .split--37{grid-template-columns:36fr 64fr}
  .split--55{grid-template-columns:58fr 42fr}
  .offset-24{margin-top:-24px}
  .offset-48{margin-top:-48px}
}

/* ---------- 6. panels / data ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
}
.panel--cut{
  border:0;
  background:linear-gradient(155deg,var(--panel) 0%,#171331 58%,var(--panel-2) 100%);
  box-shadow:inset 0 0 0 1px 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)));
  padding:clamp(20px,2.6vw,32px);
}
.panel--lift{box-shadow:inset 0 0 0 1px rgba(108,59,255,.55)}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,38px);line-height:1.1;color:var(--cyan);letter-spacing:.02em;
}
.stat__label{font-size:12px;letter-spacing:.16em;color:var(--dim)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--dim);border:1px solid var(--line);background:rgba(30,25,53,.6);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}
.tag--live{color:var(--cyan);border-color:rgba(63,240,208,.45)}
.tag--warn{color:var(--amber);border-color:rgba(255,122,51,.45)}

.rule{height:1px;background:var(--line);border:0;margin:clamp(22px,3vw,36px) 0}
.rule--cyan{height:2px;background:linear-gradient(90deg,var(--cyan),rgba(63,240,208,0) 70%)}
.rule-slant{
  height:2px;border:0;
  background:linear-gradient(90deg,var(--purple),rgba(108,59,255,0) 72%);
  transform:rotate(-.7deg);transform-origin:left center;
}

/* ---------- 7. buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  padding:12px 22px;
  font-family:var(--font-display);font-size:14px;font-weight:700;letter-spacing:.14em;
  color:var(--text);background:transparent;border:1px solid var(--line);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn:hover{background:rgba(108,59,255,.18);border-color:var(--purple-lift);color:var(--white)}
.btn--primary{background:var(--purple);border-color:var(--purple);color:var(--white)}
.btn--primary:hover{background:#7C4FFF;border-color:var(--purple-lift)}
.btn--ghost{color:var(--cyan);border-color:rgba(63,240,208,.42)}
.btn--ghost:hover{background:rgba(63,240,208,.14);border-color:var(--cyan);color:var(--white)}
.btn:focus-visible{background:rgba(63,240,208,.18)}

/* ---------- 8. breadcrumbs ---------- */
.breadcrumbs{padding:20px 0 0}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.breadcrumbs li{display:flex;align-items:center;gap:10px}
.breadcrumbs li+li::before{content:"/";color:var(--line)}
.breadcrumbs a,.breadcrumbs span{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--dim);
}
.breadcrumbs a{border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--text)}

/* ---------- 9. media frames ---------- */
.media-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--panel-2) 0%,var(--panel) 100%);
  border:1px solid var(--line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(-8deg,rgba(108,59,255,.10) 0 1px,transparent 1px 14px);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.media-frame--tall img{aspect-ratio:3/4}
.media-frame--square img{aspect-ratio:1/1}
.media-frame__cap{
  position:absolute;left:0;bottom:0;right:0;
  padding:10px 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--text);
  background:linear-gradient(0deg,rgba(8,7,15,.92),rgba(8,7,15,0));
}

/* ---------- 10. skip link ---------- */
.skip-link{
  position:absolute;left:14px;top:-72px;z-index:90;
  padding:10px 18px;
  font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.1em;
  background:var(--cyan);color:#06231D;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:top .24s var(--ease);
}
.skip-link:focus{top:14px}

/* =========================================================
   11. HEADER · 居中刊头 + 收拢导航
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:40;
  background:linear-gradient(180deg,rgba(9,8,18,.98) 0%,rgba(9,8,18,.9) 100%);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header[data-shrunk]{box-shadow:0 14px 34px -20px rgba(0,0,0,.95)}

.masthead{position:relative}
.masthead::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,59,255,.55) 18%,rgba(63,240,208,.35) 56%,transparent);
}
.masthead__inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:min(calc(100% - 2 * var(--edge)),var(--maxw));
  margin-inline:auto;
  min-height:66px;
  padding:16px 0 13px;
  transition:padding .3s var(--ease),min-height .3s var(--ease);
}

/* 左侧版本状态 */
.masthead__status{
  display:flex;align-items:center;gap:9px;
  min-width:0;max-width:34ch;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--dim);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:opacity .24s var(--ease),max-width .24s var(--ease);
}
.masthead__status .pulse{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(63,240,208,.16);
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* 正中品牌刊头 */
.masthead__brand{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  z-index:2;
  display:inline-flex;align-items:baseline;gap:.55em;
  padding:2px 16px;
  font-family:var(--font-display);font-weight:900;color:var(--text);
}
.masthead__brand::before{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:11px;z-index:-1;
  background:linear-gradient(90deg,rgba(108,59,255,0),rgba(108,59,255,.6) 22%,rgba(168,139,255,.5) 70%,rgba(108,59,255,0));
  transform:skewX(-14deg);
}
.brand-cn{
  font-size:clamp(19px,2.3vw,26px);letter-spacing:.2em;text-indent:.2em;
  transition:font-size .3s var(--ease);
}
.brand-sub{
  font-family:var(--font-mono);font-size:11px;font-weight:400;
  letter-spacing:.22em;color:var(--purple-lift);
}

/* 右侧动作区 */
.masthead__aside{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.masthead__cta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  color:var(--cyan);padding:8px 13px;
  border:1px solid rgba(63,240,208,.42);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.masthead__cta:hover{background:rgba(63,240,208,.14);color:var(--white);border-color:var(--cyan)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:8px 12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--text);
  border:1px solid var(--line);background:rgba(30,25,53,.7);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bar{display:block;height:2px;background:var(--cyan);transition:transform .28s var(--ease),opacity .2s var(--ease),width .28s var(--ease)}
.nav-toggle__bar:nth-child(2){width:68%}
.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)}

/* 栏目条 */
.site-nav{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,16,31,.72),rgba(18,16,31,.42));
  max-height:120px;overflow:hidden;
  transition:max-height .34s var(--ease),opacity .26s var(--ease),border-color .26s var(--ease);
}
.site-nav__list{
  width:min(calc(100% - 2 * var(--edge)),var(--maxw));
  margin:0 auto;padding:0;
  display:flex;justify-content:center;gap:clamp(10px,2.4vw,34px);
}
.site-nav__link{
  position:relative;display:block;
  padding:11px 2px 14px;
  font-size:14px;letter-spacing:.14em;color:var(--dim);white-space:nowrap;
  transition:color .22s var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .28s var(--ease);
}
.site-nav__link:hover{color:var(--text)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--text)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--purple-lift)}

/* 滚动进度 */
.scroll-progress{
  position:absolute;left:0;bottom:-1px;z-index:3;
  width:100%;height:2px;
  background:linear-gradient(90deg,var(--purple),var(--cyan));
  transform:scaleX(0);transform-origin:left center;
  pointer-events:none;
}

/* 桌面收拢态 */
@media (min-width:900px){
  .site-header[data-shrunk] .masthead__inner{padding:7px 0;min-height:54px}
  .site-header[data-shrunk] .masthead__status{opacity:0}
  .site-header[data-shrunk] .brand-cn{font-size:20px}
  .site-header[data-shrunk] .site-nav{max-height:0;opacity:0;border-color:transparent}
}

/* 平板与手机 */
@media (max-width:899px){
  .nav-toggle{display:inline-flex}
  .masthead__status{max-width:0;opacity:0;pointer-events:none}
  .masthead__brand{padding:2px 8px}
  .site-nav{max-height:0;opacity:0;overflow:hidden}
  .site-nav[data-open]{max-height:240px;opacity:1;overflow-x:auto;border-top-color:var(--line)}
  .site-nav__list{
    width:100%;padding:0 var(--edge);gap:22px;
    justify-content:flex-start;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    scroll-snap-type:x proximity;scrollbar-width:none;
  }
  .site-nav__list::-webkit-scrollbar{display:none}
  .site-nav__link{padding:14px 0;font-size:15px;scroll-snap-align:start}
}
@media (max-width:620px){
  .masthead__cta{display:none}
  .masthead__inner{min-height:60px}
}

/* =========================================================
   12. FOOTER · 报尾收口
   ========================================================= */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(56px,9vw,120px);
  background:linear-gradient(180deg,#12101F 0%,#0B0916 100%);
  border-top:1px solid var(--line);
  padding-top:clamp(36px,5vw,64px);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--purple) 0%,var(--cyan) 42%,transparent 88%);
}
.site-footer::after{
  content:"";position:absolute;top:0;right:0;width:40%;height:100%;z-index:0;
  background:repeating-linear-gradient(-8deg,rgba(108,59,255,.09) 0 1px,transparent 1px 13px);
  pointer-events:none;
}
.footer__inner{
  position:relative;z-index:1;
  width:min(calc(100% - 2 * var(--edge)),var(--maxw));
  margin-inline:auto;
  display:grid;gap:clamp(26px,3.2vw,44px);
  grid-template-columns:1fr;
  padding-bottom:clamp(30px,4vw,54px);
}
@media (min-width:720px){.footer__inner{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.footer__inner{grid-template-columns:1.6fr 1fr 1fr 1fr}}

.footer__brand{display:flex;flex-direction:column;gap:14px}
.footer__logo{
  display:inline-flex;align-items:baseline;gap:.6em;width:fit-content;
  font-family:var(--font-display);font-weight:900;font-size:22px;
  letter-spacing:.22em;text-indent:.1em;color:var(--text);
  border-bottom:2px solid rgba(108,59,255,.75);
  padding-bottom:6px;
}
.footer__meta{font-size:13px;line-height:1.75;color:var(--dim);max-width:34ch}
.footer__contact{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;
  color:var(--cyan);word-break:break-word;
}

.footer__title{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.22em;color:var(--text);
  margin-bottom:14px;
}
.footer__title::before{content:"";width:14px;height:2px;background:var(--purple-lift);flex:none}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{
  display:inline-block;
  font-size:14px;color:var(--dim);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer__list a:hover{color:var(--cyan);transform:translateX(4px)}

.footer__legal{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  background:rgba(8,7,15,.55);
  padding:18px 0 24px;
}
.footer__legal-in{
  width:min(calc(100% - 2 * var(--edge)),var(--maxw));
  margin-inline:auto;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--dim);
}

/* =========================================================
   13. motion
   ========================================================= */
[data-reveal]{
  transition:opacity .42s var(--ease),transform .42s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
[data-reveal].reveal-pending{opacity:0;transform:translateY(18px)}
[data-reveal].reveal-in{opacity:1;transform:none}

@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],
  [data-reveal].reveal-pending{opacity:1 !important;transform:none !important}
  .masthead__status .pulse{animation:none}
  .scroll-progress{transition:none}
}