/* ==========================================================================
   十博电竞主站 · 共享站点样式 /assets/site.css
   夜间赛场指挥舱：深色竞技场基底 / 霓虹青绿数据高亮 / 电光紫交互 / 蓝图网格
   ========================================================================== */

/* --- 01 设计变量 -------------------------------------------------------- */
:root{
  --ink-0:#04060B;
  --ink-1:#0A101C;
  --ink-2:#131C2E;
  --neon:#7CFFCB;
  --neon-deep:#2EE6A8;
  --violet:#8B5CF6;
  --violet-soft:#C4B5FD;
  --ice:#E6F1FF;
  --ice-dim:#D3E0F2;
  --steel:#94A7C6;
  --magenta:#FF5C7A;
  --gold:#FFC65C;

  --line:rgba(148,167,198,.20);
  --line-strong:rgba(148,167,198,.38);
  --line-neon:rgba(124,255,203,.45);

  --font-display:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"HarmonyOS Sans","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1240px;
  --gutter:20px;
  --radius:2px;
  --rail:320px;
  --shadow-layer:0 22px 40px -28px rgba(0,0,0,.95);
}

/* --- 02 Reset ----------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
[hidden]{display:none !important}

/* --- 03 基础排版与底纹 -------------------------------------------------- */
body{
  min-height:100vh;
  background-color:var(--ink-0);
  background-image:
    linear-gradient(180deg,rgba(124,255,203,.055),rgba(4,6,11,0) 460px),
    repeating-linear-gradient(0deg,rgba(148,167,198,.045) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(90deg,rgba(148,167,198,.045) 0 1px,transparent 1px 96px);
  background-attachment:fixed;
  color:var(--ice);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.18}
strong,b{font-weight:700;color:var(--ice)}
::selection{background:rgba(139,92,246,.45);color:#fff}
:focus-visible{outline:2px solid var(--violet-soft);outline-offset:3px}

/* --- 04 布局骨架 -------------------------------------------------------- */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{position:relative;padding:56px 0;border-top:1px solid var(--line)}
.section--tight{padding:32px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 16px;margin-bottom:28px}
.section-num{font-family:var(--font-mono);font-size:13px;letter-spacing:.18em;color:var(--neon)}
.section-title{font-size:clamp(24px,3.4vw,38px);letter-spacing:-.02em}
.section-note{margin-left:auto;font-size:13px;color:var(--steel);letter-spacing:.04em}
.divider{height:1px;background:var(--line);border:0;margin:0}

.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--rail{grid-template-columns:var(--rail) minmax(0,1fr);gap:32px;align-items:start}

.annotation{
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--steel);
  writing-mode:vertical-rl;
}

/* --- 05 跳转链接 -------------------------------------------------------- */
.skip-link{
  position:absolute;
  left:50%;
  top:-60px;
  transform:translateX(-50%);
  z-index:120;
  padding:10px 18px;
  background:var(--neon);
  color:#04211A;
  font-size:13px;
  font-weight:700;
  border-radius:var(--radius);
  transition:top .18s ease;
}
.skip-link:focus{top:8px}

/* --- 06 页头：刊头 + 栏目条 --------------------------------------------- */
.site-header{position:relative;z-index:60;background:linear-gradient(180deg,#070C16 0%,var(--ink-0) 100%);border-bottom:1px solid var(--line)}
.scanline{
  position:absolute;left:0;right:0;top:0;height:2px;z-index:3;pointer-events:none;opacity:0;
  background:linear-gradient(90deg,transparent,rgba(124,255,203,.9),transparent);
}
.site-header.is-scanning .scanline{animation:scanline 760ms ease-out 1}
@keyframes scanline{
  0%{opacity:0;transform:translateY(0)}
  18%{opacity:.95}
  100%{opacity:0;transform:translateY(84px)}
}

.scroll-progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:110;background:rgba(148,167,198,.12);pointer-events:none}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--neon-deep),var(--neon));
  transition:transform .12s linear;
}

.masthead{padding:30px 0 20px;border-bottom:1px solid var(--line)}
.masthead__inner{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.masthead__overline{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;color:var(--steel);text-transform:uppercase;
}
.masthead__tick{width:8px;height:8px;background:var(--neon);box-shadow:0 0 12px rgba(124,255,203,.9)}

.brand{display:inline-flex;align-items:center;gap:14px;max-width:100%}
.brand__mark{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--violet-soft);border-radius:var(--radius);
  background:var(--ink-2);
  color:var(--neon);font-family:var(--font-display);font-weight:900;font-size:24px;line-height:1;
}
.brand__name{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(20px,3.9vw,40px);
  letter-spacing:-.02em;line-height:1.1;color:var(--ice);
  overflow-wrap:anywhere;
}
.brand__line{font-size:13px;letter-spacing:.08em;color:var(--steel)}

.navbar{background:rgba(10,16,28,.88);border-bottom:1px solid var(--line)}
.navbar__inner{position:relative;display:flex;align-items:center;gap:16px;min-height:58px}

.primary-nav{flex:1 1 auto;min-width:0}
.primary-nav__list{display:flex;justify-content:center;align-items:center;gap:2px}
.primary-nav__item{flex:0 0 auto}
.primary-nav__link{
  display:inline-block;padding:16px 14px;
  font-size:14px;letter-spacing:.08em;color:var(--steel);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.primary-nav__link:hover,.primary-nav__link:focus-visible{color:var(--ice);border-bottom-color:var(--violet)}
.primary-nav__link[aria-current="page"]{color:var(--neon);border-bottom-color:var(--neon)}

.utility{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.utility__link{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--steel);
  padding:6px 10px;border:1px solid transparent;border-radius:var(--radius);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.utility__link:hover,.utility__link:focus-visible{color:var(--neon);border-color:var(--violet)}
.utility__link--strong{color:var(--ice);border-color:var(--line-strong);background:var(--ink-2)}
.utility__sep{width:1px;height:16px;background:var(--line-strong)}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:var(--ink-2);color:var(--ice);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--violet);color:var(--neon)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:1.5px;background:var(--neon);transition:transform .22s ease,opacity .22s ease}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

@media (min-width:1000px){
  .utility{position:absolute;right:0;top:50%;transform:translateY(-50%)}
}

/* --- 07 页脚：三栏 + V4 收束锚点 ---------------------------------------- */
.site-footer{
  margin-top:40px;
  background:linear-gradient(180deg,var(--ink-1) 0%,#05080F 100%);
  border-top:1px solid var(--line-neon);
}
.footer__inner{position:relative}
.footer__top{display:grid;gap:32px;padding:48px 0 36px}
.footer__brand{display:flex;flex-direction:column;gap:8px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.footer__brand-name{font-family:var(--font-display);font-weight:900;font-size:clamp(22px,3vw,32px);letter-spacing:-.02em;color:var(--ice)}
.footer__brand-line{font-size:13px;letter-spacing:.08em;color:var(--steel)}
.footer__stamp{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;color:var(--violet-soft)}
.footer__stamp-key{
  padding:3px 8px;border:1px solid var(--violet);border-radius:var(--radius);
  background:rgba(139,92,246,.14);color:var(--violet-soft);
  font-family:var(--font-mono);font-weight:700;
}

.footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.footer-col{min-width:0}
.footer-col__title{
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--neon);
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-link{
  display:inline-block;font-size:14px;color:var(--steel);
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--ice);border-bottom-color:var(--violet)}
.footer-link--strong{color:var(--ice);font-weight:700}
.footer-col__note{margin-top:14px;font-size:12px;line-height:1.7;color:var(--steel);max-width:34ch}

.footer-col--contact{
  padding:20px;
  border:1px solid var(--violet-soft);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(139,92,246,.14),rgba(19,28,46,.9));
  box-shadow:var(--shadow-layer);
}
.footer-col--contact .footer-col__title{color:var(--violet-soft);border-bottom-color:rgba(196,181,253,.4)}

.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;
  padding:22px 0 32px;border-top:1px solid var(--line);
}
.footer__meta-group{display:flex;flex-wrap:wrap;gap:6px 22px;flex:1 1 320px}
.footer__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--steel)}
.footer__meta--icp{color:var(--ice)}
.footer__meta--copy{color:rgba(148,167,198,.75)}

.to-top{
  position:fixed;right:18px;bottom:18px;z-index:100;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:rgba(10,16,28,.94);color:var(--ice);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease,transform .22s ease,border-color .22s ease,color .22s ease;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover,.to-top:focus-visible{border-color:var(--violet);color:var(--neon);transform:translateY(-2px)}
.to-top__arrow{color:var(--neon)}

/* --- 08 通用内容组件 ---------------------------------------------------- */
.panel{
  position:relative;
  padding:24px;
  background:var(--ink-1);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.panel::before,.panel::after{
  content:"";position:absolute;width:14px;height:14px;pointer-events:none;
  border:1px solid var(--line-neon);
}
.panel::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.panel::after{bottom:-1px;right:-1px;border-left:0;border-top:0}

.card{
  position:relative;
  padding:20px;
  background:linear-gradient(180deg,var(--ink-2),var(--ink-1));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-layer);
  transition:transform .24s ease,border-color .24s ease;
}
.card:hover,.card:focus-within{transform:translateY(-4px);border-color:var(--violet)}
.card__title{font-size:18px;line-height:1.4;color:var(--ice)}
.card__meta{margin-top:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--steel)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:rgba(19,28,46,.9);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);
}
.tag--gold{border-color:rgba(255,198,92,.6);color:var(--gold);background:rgba(255,198,92,.1)}
.tag--magenta{border-color:rgba(255,92,122,.6);color:var(--magenta);background:rgba(255,92,122,.1)}
.tag--violet{border-color:var(--violet-soft);color:var(--violet-soft);background:rgba(139,92,246,.14)}
.tag--tilt{transform:rotate(-2deg)}

.rank-bar{
  position:relative;height:10px;width:100%;
  background:rgba(148,167,198,.14);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.rank-bar__fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--neon-deep),var(--neon));
  transition:width .32s cubic-bezier(.22,.8,.28,1);
}
.rank-bar--gold .rank-bar__fill{background:linear-gradient(90deg,var(--neon-deep),var(--gold))}
.rank-bar--out .rank-bar__fill{background:linear-gradient(90deg,rgba(255,92,122,.6),var(--magenta))}
.rank-bar__value{font-family:var(--font-mono);font-size:13px;color:var(--neon)}

.stat{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-1)}
.stat__value{font-family:var(--font-mono);font-weight:700;font-size:clamp(22px,3vw,30px);line-height:1.1;color:var(--neon)}
.stat__label{font-size:12px;letter-spacing:.1em;color:var(--steel)}
.data-num{font-family:var(--font-mono);font-size:.95em;letter-spacing:.02em;color:var(--neon)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:var(--ink-2);color:var(--ice);
  font-size:14px;letter-spacing:.08em;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background-color .2s ease;
}
.btn:hover,.btn:focus-visible{border-color:var(--violet);color:var(--neon)}
.btn--primary{
  background:linear-gradient(90deg,var(--neon-deep),var(--neon));
  border-color:transparent;color:#04211A;font-weight:700;
}
.btn--primary:hover,.btn--primary:focus-visible{color:#04211A;border-color:var(--violet)}
.btn--ghost{background:transparent}
.btn--violet{border-color:var(--violet-soft);color:var(--violet-soft)}

.breadcrumb{padding:14px 0 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--steel)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__list li{display:flex;align-items:center;gap:8px}
.breadcrumb__list li + li::before{content:"/";color:rgba(148,167,198,.45)}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--neon)}

.prose{max-width:72ch;font-size:17px;line-height:1.85;color:var(--ice-dim)}
.prose > * + *{margin-top:1.15em}
.prose h2{font-size:clamp(22px,2.6vw,30px);color:var(--ice)}
.prose h3{font-size:18px;font-weight:700;color:var(--ice)}
.prose a{color:var(--neon);text-decoration:underline;text-decoration-color:rgba(124,255,203,.45);text-underline-offset:4px}
.prose ul li{position:relative;padding-left:20px}
.prose ul li::before{content:"";position:absolute;left:0;top:.85em;width:10px;height:1px;background:var(--neon)}
.prose ol{padding-left:1.4em;list-style:decimal}
.prose ol li::marker{color:var(--neon);font-family:var(--font-mono)}

.media-frame{
  position:relative;display:block;width:100%;overflow:hidden;
  aspect-ratio:16 / 9;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.media-frame__img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease,filter .3s ease}
.media-frame:hover .media-frame__img{filter:brightness(1.12)}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:10px 12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--ice);
  background:linear-gradient(180deg,rgba(4,6,11,0),rgba(4,6,11,.88));
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--portrait{aspect-ratio:3 / 4}
.media-frame--placeholder{
  display:flex;align-items:center;justify-content:center;
  background:
    repeating-linear-gradient(45deg,rgba(148,167,198,.06) 0 8px,transparent 8px 16px),
    var(--ink-1);
  border-style:dashed;border-color:var(--line-strong);
}
.media-frame__label{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--steel)}

.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:24px}
.filter-button{
  padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--ink-1);color:var(--steel);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.filter-button:hover,.filter-button:focus-visible{color:var(--ice);border-color:var(--violet)}
.filter-button.is-active{
  background:linear-gradient(90deg,var(--neon-deep),var(--neon));
  border-color:transparent;color:#04211A;font-weight:700;
}
.filter-count{font-family:var(--font-mono);font-size:12px;color:var(--steel);margin-left:auto}
.filter-empty{
  padding:20px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  font-size:14px;color:var(--steel);background:var(--ink-1);
}
[data-filter-item].is-filtered-out{display:none}

/* --- 09 动效协议 -------------------------------------------------------- */
[data-reveal]{opacity:1}
html[data-js="on"] [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
html[data-js="on"] [data-reveal].is-visible{opacity:1;transform:none}

/* --- 10 响应式 ---------------------------------------------------------- */
@media (max-width:1000px){
  .grid--rail{grid-template-columns:minmax(0,1fr)}
  .primary-nav{flex:1 1 auto}
}

@media (max-width:999px){
  .navbar__inner{flex-wrap:wrap;gap:10px;padding:8px 0 10px}
  .nav-toggle{display:inline-flex}
  .utility{margin-left:auto}
  .primary-nav{order:3;flex-basis:100%;display:none}
  .site-header[data-open] .primary-nav{display:block}
  .primary-nav__list{
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding-top:8px;border-top:1px solid var(--line);
  }
  .primary-nav__link{display:block;padding:14px 4px;border-bottom:1px solid rgba(148,167,198,.12)}
  .primary-nav__link[aria-current="page"]{border-bottom-color:var(--neon);background:rgba(124,255,203,.06)}
  .masthead{padding:22px 0 16px}
  .brand{gap:10px}
  .brand__mark{width:36px;height:36px;font-size:20px}
}

@media (max-width:860px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .footer__cols{grid-template-columns:minmax(0,1fr);gap:28px}
  .section-note{margin-left:0;flex-basis:100%}
  .footer__bottom{align-items:flex-start}
}

@media (max-width:560px){
  :root{--gutter:16px}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:40px 0}
  .masthead__overline{letter-spacing:.18em}
  .brand__name{font-size:clamp(19px,5.4vw,26px)}
  .to-top{right:12px;bottom:12px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .site-header.is-scanning .scanline{animation:none;opacity:0}
  html[data-js="on"] [data-reveal]{opacity:1;transform:none}
  .card:hover,.card:focus-within{transform:none}
  .to-top:hover,.to-top:focus-visible{transform:none}
  .scroll-progress__bar{transition:none}
  .rank-bar__fill{transition:none}
}