/* 安博电竞 · 共享样式 /assets/site.css */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 18px)}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse;width:100%}

/* ---------- 变量 ---------- */
:root{
  --ink:#05070D;
  --ink-2:#0C1220;
  --surface:#141D2F;
  --line:#26334A;
  --text:#EAF0F9;
  --muted:#9AABC4;
  --blue:#2E7DFF;
  --green:#22E39A;
  --orange:#FF8A2B;
  --violet:#8A6BFF;
  --clay:#C1553F;
  --header-h:72px;
  --w:1280px;
  --r-lg:28px;
  --r-md:20px;
  --r-pill:999px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.005em;
  min-height:100%;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:-15% -15% -5%;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(58% 42% at 76% 6%, rgba(46,125,255,.22), transparent 70%),
    radial-gradient(46% 38% at 10% 26%, rgba(138,107,255,.14), transparent 72%),
    repeating-linear-gradient(96deg, rgba(38,51,74,.55) 0 1px, transparent 1px 88px);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.45) 55%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.45) 55%,transparent 100%);
}
#main-content{position:relative;z-index:1}
h1,h2,h3,h4,h5,h6{font-weight:800;line-height:1.25;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,7vw,6rem);font-weight:900}
p{color:#C7D3E6}
a{color:inherit;text-decoration:none}
strong{color:var(--text);font-weight:700}
.nums,.num,.stat-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}

/* ---------- 布局容器 ---------- */
.shell{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{position:relative;padding:76px 0}
.section-alt{background:var(--ink-2)}
.section-head{display:grid;gap:6px;max-width:56ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--green);
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--green)}
.eyebrow.is-violet{color:var(--violet)}
.eyebrow.is-violet::before{background:var(--violet)}
.section-title{margin-top:14px;font-size:clamp(1.6rem,3.4vw,2.7rem);font-weight:900}
.section-lead{margin-top:16px;max-width:38ch;color:var(--muted);font-size:1rem}
.diag-band{
  padding:20px 0;
  background:linear-gradient(100deg,rgba(46,125,255,.16),rgba(34,227,154,.10) 58%,transparent);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  font-size:.9rem;font-weight:700;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(120deg,var(--blue),#1b5fe0);border-color:transparent;color:#fff;box-shadow:0 14px 32px -16px rgba(46,125,255,.95)}
.btn-accent{background:linear-gradient(120deg,var(--green),#12b97a);border-color:transparent;color:#04160F}
.btn-ghost{background:transparent}
.btn-ghost:hover{border-color:var(--blue);color:#fff}
.btn-sm{padding:9px 16px;font-size:.82rem}

/* ---------- 胶囊与标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;color:var(--muted);
}
.chip-live{background:rgba(34,227,154,.14);border-color:rgba(34,227,154,.45);color:var(--green)}
.chip-hot{background:rgba(255,138,43,.14);border-color:rgba(255,138,43,.45);color:var(--orange)}
.chip-violet{background:rgba(138,107,255,.16);border-color:rgba(138,107,255,.5);color:#BBA9FF}
.chip-clay{background:rgba(193,85,63,.16);border-color:rgba(193,85,63,.5);color:#E8A08E}

/* ---------- 数据单元 ---------- */
.panel{
  background:linear-gradient(160deg,rgba(20,29,47,.95),rgba(12,18,32,.9));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
}
.stat{display:grid;gap:6px}
.stat-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(2rem,5vw,3.4rem);font-weight:700;line-height:1;color:var(--text);
}
.stat-num.is-up{color:var(--green)}
.stat-num.is-alert{color:var(--orange)}
.stat-label{font-size:.8rem;color:var(--muted);letter-spacing:.04em}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:rgba(12,18,32,.6)}
.data-table{min-width:560px;font-size:.9rem}
.data-table th,.data-table td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.data-table thead th{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);background:rgba(20,29,47,.7);
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:rgba(46,125,255,.08)}
.data-table .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- 正文与面包屑 ---------- */
.prose{display:grid;gap:18px;max-width:40em}
.prose h2{font-size:clamp(1.3rem,2.4vw,1.7rem);margin-top:14px}
.prose h3{font-size:1.1rem;margin-top:10px;color:var(--text)}
.prose a{color:var(--green);border-bottom:1px solid rgba(34,227,154,.4)}
.prose ul{display:grid;gap:10px;padding-left:2px}
.prose li{color:#C7D3E6;padding-left:18px;position:relative}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.breadcrumbs{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:20px 0 0;font-family:var(--font-mono);font-size:.75rem;
  letter-spacing:.06em;color:var(--muted);
}
.breadcrumbs li{list-style:none}
.breadcrumbs li+li::before{content:"/";margin-right:10px;color:var(--line)}
.breadcrumbs a:hover{color:var(--green)}

/* ---------- 分段切换 ---------- */
.segmented{
  display:inline-flex;flex-wrap:wrap;gap:6px;padding:6px;
  border-radius:var(--r-pill);background:rgba(20,29,47,.8);border:1px solid var(--line);
}
.segment{
  padding:9px 18px;border-radius:var(--r-pill);background:transparent;
  color:var(--muted);font-size:.85rem;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.segment:hover{color:var(--text)}
.segment[aria-selected="true"]{background:linear-gradient(120deg,var(--blue),#1b5fe0);color:#fff}
.tab-panel[hidden]{display:none}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(150deg,#101A2E,#070B14);
  aspect-ratio:16/9;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) contrast(1.06) brightness(.84)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,7,13,0) 42%,rgba(5,7,13,.78));
}
.media-caption{
  margin-top:10px;font-family:var(--font-mono);font-size:.72rem;
  letter-spacing:.08em;color:var(--muted);
}

/* ---------- 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;left:16px;top:-70px;z-index:120;
  padding:11px 18px;border-radius:var(--r-pill);
  background:var(--blue);color:#fff;font-size:.85rem;font-weight:700;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-solid{
  background:rgba(5,7,13,.88);
  border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.header-inner{
  max-width:var(--w);margin:0 auto;padding:13px 24px;
  min-height:var(--header-h);
  display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:13px;flex:0 0 auto;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:.86rem;font-weight:700;letter-spacing:.04em;
  color:#04160F;background:linear-gradient(135deg,var(--green),var(--blue));
  box-shadow:0 0 0 1px rgba(34,227,154,.35),0 12px 26px -14px rgba(46,125,255,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-size:1.02rem;font-weight:900;letter-spacing:.02em}
.brand-sub{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}
.brand-lg .brand-mark{width:46px;height:46px;border-radius:15px;font-size:1rem}
.brand-lg .brand-name{font-size:1.3rem}

.site-nav{flex:1 1 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:block;padding:9px 14px;border-radius:var(--r-pill);
  border:1px solid transparent;color:var(--muted);
  font-size:.92rem;font-weight:500;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(46,125,255,.12)}
.nav-link[aria-current="page"]{
  color:var(--text);
  background:rgba(46,125,255,.16);
  border-color:rgba(46,125,255,.52);
}
.nav-utility{display:flex;align-items:center;gap:10px}
.util-chip{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(20,29,47,.72);
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.08em;
  color:var(--muted);cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.util-chip:hover{color:var(--text);border-color:var(--blue)}
.util-lang{cursor:default}
.util-lang:hover{color:var(--muted);border-color:var(--line)}

.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  padding:9px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(20,29,47,.85);
  color:var(--text);font-size:.82rem;font-weight:600;cursor:pointer;
}
.nav-toggle-bars{position:relative;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;
  background:currentColor;border-radius:2px;
  transition:transform .2s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}
.nav-toggle-label{white-space:nowrap}

.search-drawer{
  max-width:var(--w);margin:0 auto;
  padding:16px 24px 22px;
  display:grid;gap:10px;
  background:rgba(12,18,32,.96);
  border-top:1px dashed var(--line);
  border-bottom:1px solid var(--line);
}
.search-drawer[hidden]{display:none}
.search-label{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}
.search-input{
  width:100%;padding:14px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--ink);
  color:var(--text);font-size:.98rem;
}
.search-input::placeholder{color:#61728C}
.search-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,125,255,.24)}
.search-status{margin:0;font-family:var(--font-mono);font-size:.76rem;color:var(--muted)}
.search-status[data-state="hit"]{color:var(--green)}
.search-status[data-state="none"]{color:var(--orange)}
mark.search-hit{background:rgba(255,138,43,.3);color:var(--text);border-radius:4px;padding:0 3px}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--blue),var(--green));
  pointer-events:none;
  transition:width .1s linear;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:88px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 46%,#070C16 100%);
  overflow:hidden;
}
.footer-glow{
  position:absolute;left:-10%;right:-10%;bottom:-70%;height:360px;
  pointer-events:none;
  background-image:
    radial-gradient(50% 60% at 72% 100%, rgba(46,125,255,.24), transparent 70%),
    radial-gradient(42% 52% at 18% 100%, rgba(34,227,154,.12), transparent 72%);
}
.footer-inner{
  position:relative;max-width:var(--w);margin:0 auto;
  padding:64px 24px 44px;
  display:grid;grid-template-columns:1.05fr 1.7fr;gap:48px;
}
.footer-brand{display:grid;gap:14px;align-content:start}
.footer-tagline{font-size:1.06rem;font-weight:700;color:var(--text)}
.footer-meta{font-size:.86rem;color:var(--muted);max-width:34ch}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.footer-col-title{
  margin-bottom:16px;
  font-family:var(--font-mono);font-size:.72rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--green);
}
.footer-list{display:grid;gap:11px}
.footer-list a{
  display:inline-block;font-size:.92rem;color:var(--muted);
  padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-list a:hover{color:var(--text);border-bottom-color:var(--blue)}
.footer-contact{
  position:relative;max-width:var(--w);margin:0 auto;
  padding:22px 24px;
  display:flex;flex-wrap:wrap;gap:8px 30px;
  border-top:1px solid rgba(193,85,63,.45);
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.03em;color:var(--muted);
}
.footer-legal{
  position:relative;max-width:var(--w);margin:0 auto;
  padding:18px 24px 42px;
  display:flex;flex-wrap:wrap;gap:14px 24px;
  align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);
}
.footer-legal p{font-size:.76rem;color:#7D8CA3;line-height:1.7}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal-links a{font-size:.76rem;color:var(--muted)}
.footer-legal-links a:hover{color:var(--green)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-inner{grid-template-columns:1fr;gap:36px}
}
@media (max-width:980px){
  :root{--header-h:66px}
  .header-inner{padding:12px 18px;gap:14px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;left:0;right:0;top:var(--header-h);bottom:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:18px;
    padding:22px 22px 34px;
    background:rgba(5,7,13,.985);
    border-top:1px solid var(--line);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:8px}
  .nav-link{padding:15px 18px;border-radius:16px;font-size:1rem;background:rgba(20,29,47,.66);border-color:var(--line)}
  .nav-utility{flex-direction:column;align-items:stretch;gap:10px;margin-top:auto}
  .nav-utility .btn{width:100%}
  .search-drawer{padding:16px 18px 22px}
  .section{padding:60px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .footer-contact{font-size:.74rem}
}
@media (max-width:560px){
  body{font-size:16px}
  .shell,.header-inner,.search-drawer,.footer-inner,.footer-contact,.footer-legal{padding-left:18px;padding-right:18px}
  .brand-sub{display:none}
  .footer-inner{padding-top:48px}
  .footer-cols{grid-template-columns:1fr}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .segmented{width:100%;justify-content:space-between}
}

/* ---------- 无障碍：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}
  body::before{transform:none}
}