/* ===== 赏金电竞 CN 中文站 · 共享样式 /assets/site.css ===== */

:root{
  --ba-night:#0A0F2C;
  --ba-panel:#111A3E;
  --ba-lift:#1B2A5B;
  --ba-gold:#E6B84A;
  --ba-gold-hi:#F5D77A;
  --ba-bounty:#8B1E2D;
  --ba-cyan:#35D3C7;
  --ba-steel:#7A8BB5;
  --ba-paper:#F4F1E8;
  --ba-line:#2E3A68;

  --ba-font-display:"Archivo Black","Inter Tight","Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --ba-font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ba-font-mono:ui-monospace,"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --ba-shell:1240px;
  --ba-gutter:clamp(18px,4vw,44px);
  --ba-radius:2px;
  --ba-line-soft:1px solid var(--ba-line);
  --ba-shadow:0 1px 0 rgba(46,58,104,.45),0 20px 44px -34px rgba(0,0,0,.95);
  --ba-ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--ba-night);
  color:var(--ba-paper);
  font-family:var(--ba-font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(120% 78% at 86% -12%,rgba(53,211,199,.10),transparent 62%),
    radial-gradient(96% 64% at 2% 104%,rgba(139,30,45,.14),transparent 66%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.32;
  background-image:
    linear-gradient(rgba(46,58,104,.42) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,58,104,.42) 1px,transparent 1px);
  background-size:76px 76px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 58%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 58%);
}

h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}
table{border-collapse:collapse}

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

::selection{background:var(--ba-gold);color:var(--ba-night)}

/* ---------- 排版 ---------- */

.ba-display{
  font-family:var(--ba-font-display);
  font-weight:900;
  line-height:1.02;
  letter-spacing:-.02em;
}

.ba-h1{
  font-family:var(--ba-font-display);
  font-size:clamp(38px,6.4vw,86px);
  line-height:1.02;
  letter-spacing:-.022em;
  font-weight:900;
}

.ba-h2{
  font-size:clamp(26px,3.2vw,42px);
  line-height:1.16;
  letter-spacing:-.012em;
  font-weight:800;
}

.ba-h3{
  font-size:clamp(19px,1.6vw,24px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:.01em;
}

.ba-eyebrow{
  display:block;
  margin-bottom:10px;
  font-family:var(--ba-font-mono);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ba-cyan);
}

.ba-lede{
  max-width:62ch;
  font-size:clamp(17px,1.4vw,19px);
  line-height:1.8;
  color:rgba(244,241,232,.82);
}

.ba-small{font-size:13.5px;line-height:1.7}
.ba-muted{color:var(--ba-steel)}

.ba-mono{
  font-family:var(--ba-font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

.ba-stat{
  display:block;
  font-family:var(--ba-font-mono);
  font-size:clamp(30px,4.4vw,54px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--ba-gold-hi);
}

.ba-stat__unit{
  margin-left:6px;
  font-size:.4em;
  letter-spacing:.1em;
  color:var(--ba-steel);
}

/* ---------- 容器 ---------- */

.ba-shell{
  width:100%;
  max-width:var(--ba-shell);
  margin-inline:auto;
  padding-inline:var(--ba-gutter);
}

.ba-section{
  position:relative;
  z-index:1;
  padding-block:clamp(48px,7vw,96px);
}

.ba-section--tight{padding-block:clamp(28px,4vw,56px)}

.ba-section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 32px;
  padding-bottom:18px;
  margin-bottom:clamp(24px,3vw,42px);
  border-bottom:var(--ba-line-soft);
}

.ba-band{
  position:relative;
  z-index:1;
  padding-block:clamp(20px,3vw,32px);
  background:linear-gradient(90deg,rgba(27,42,91,.92),rgba(17,26,62,.5));
  border-block:var(--ba-line-soft);
}

.ba-band__row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 26px;
}

.ba-grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.ba-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.ba-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.ba-grid--asym{grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr)}

.ba-rail{
  position:relative;
  padding-left:26px;
}

.ba-rail::before{
  content:"";
  position:absolute;
  left:5px;
  top:8px;
  bottom:8px;
  width:1px;
  background:linear-gradient(180deg,var(--ba-cyan),var(--ba-line) 62%,transparent);
}

/* ---------- 跳转与进度 ---------- */

.ba-skip{
  position:absolute;
  left:16px;
  top:-72px;
  z-index:140;
  display:inline-block;
  padding:10px 16px;
  background:var(--ba-gold);
  color:#141B33;
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  text-decoration:none;
  border-radius:var(--ba-radius);
  transition:top .2s var(--ba-ease);
}

.ba-skip:focus{top:14px}

.ba-progress{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  z-index:120;
  pointer-events:none;
  background:rgba(46,58,104,.55);
}

.ba-progress__bar{
  display:block;
  width:100%;
  height:100%;
  opacity:.55;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--ba-cyan),var(--ba-gold) 62%,var(--ba-gold-hi));
  transition:transform .12s linear,opacity .3s var(--ba-ease);
}

/* ---------- 头部命令栏 ---------- */

.ba-header{
  position:relative;
  z-index:60;
  padding-top:3px;
  background:linear-gradient(180deg,rgba(17,26,62,.98),rgba(10,15,44,.9));
  border-bottom:var(--ba-line-soft);
  transition:box-shadow .25s var(--ba-ease);
}

.ba-header.is-scrolled{
  box-shadow:0 18px 40px -30px rgba(0,0,0,.98);
}

.ba-header__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  min-height:68px;
  padding-block:13px;
}

.ba-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  text-decoration:none;
  color:var(--ba-paper);
}

.ba-brand__mark,
.ba-footer__mark{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  align-items:end;
  gap:3px;
  flex:none;
  width:34px;
  height:34px;
  padding:6px;
  border:var(--ba-line-soft);
  border-radius:var(--ba-radius);
  background:linear-gradient(160deg,rgba(27,42,91,.9),rgba(10,15,44,.55));
}

.ba-brand__mark i,
.ba-footer__mark i{
  display:block;
  width:100%;
  border-radius:1px 1px 0 0;
  background:var(--ba-steel);
}

.ba-brand__mark i:nth-child(1),
.ba-footer__mark i:nth-child(1){height:42%;background:var(--ba-cyan)}

.ba-brand__mark i:nth-child(2),
.ba-footer__mark i:nth-child(2){height:80%;background:var(--ba-gold)}

.ba-brand__mark i:nth-child(3),
.ba-footer__mark i:nth-child(3){height:58%;background:var(--ba-bounty)}

.ba-brand__text{display:block;min-width:0}

.ba-brand__name{
  display:block;
  font-size:19px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:.09em;
  transition:color .2s var(--ba-ease);
}

.ba-brand:hover .ba-brand__name{color:var(--ba-gold-hi)}

.ba-brand__line{
  display:block;
  margin-top:3px;
  font-family:var(--ba-font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ba-steel);
}

.ba-navtoggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 14px;
  border:var(--ba-line-soft);
  border-radius:var(--ba-radius);
  background:rgba(27,42,91,.55);
  color:var(--ba-paper);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  transition:border-color .2s var(--ba-ease),color .2s var(--ba-ease);
}

.ba-navtoggle:hover{border-color:var(--ba-cyan);color:var(--ba-cyan)}

.ba-navtoggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  background:var(--ba-gold);
  transition:background .2s var(--ba-ease);
}

.ba-navtoggle__bars::before,
.ba-navtoggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background:var(--ba-gold);
  transition:transform .22s var(--ba-ease);
}

.ba-navtoggle__bars::before{top:-6px}
.ba-navtoggle__bars::after{top:6px}

.ba-navtoggle[aria-expanded="true"] .ba-navtoggle__bars{background:transparent}
.ba-navtoggle[aria-expanded="true"] .ba-navtoggle__bars::before{transform:translateY(6px) rotate(45deg)}
.ba-navtoggle[aria-expanded="true"] .ba-navtoggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

.ba-navtoggle__label{
  font-family:var(--ba-font-mono);
  font-size:11px;
  letter-spacing:.2em;
}

.ba-nav{
  display:flex;
  align-items:center;
  margin-left:auto;
  order:2;
}

.ba-nav__hint{display:none}

.ba-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
}

.ba-nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:9px 12px;
  border:1px solid transparent;
  border-radius:var(--ba-radius);
  color:var(--ba-steel);
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.05em;
  text-decoration:none;
  transition:color .18s var(--ba-ease),background .18s var(--ba-ease),border-color .18s var(--ba-ease);
}

.ba-nav__link:hover,
.ba-nav__link:focus-visible{
  color:var(--ba-gold-hi);
  background:rgba(27,42,91,.6);
  border-color:var(--ba-line);
}

.ba-nav__link[aria-current="page"]{
  color:var(--ba-paper);
  background:rgba(230,184,74,.1);
  border-color:rgba(230,184,74,.42);
}

.ba-nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:3px;
  height:1px;
  background:var(--ba-gold);
}

.ba-nav__idx{
  font-family:var(--ba-font-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:var(--ba-steel);
  opacity:.85;
}

.ba-nav__link[aria-current="page"] .ba-nav__idx{color:var(--ba-gold);opacity:1}

.ba-nav__label{display:inline-block}

.ba-header__actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  order:3;
}

/* ---------- 按钮 ---------- */

.ba-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 16px;
  border:var(--ba-line-soft);
  border-radius:var(--ba-radius);
  background:rgba(27,42,91,.5);
  color:var(--ba-paper);
  font-size:14px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.06em;
  text-decoration:none;
  transition:background .18s var(--ba-ease),color .18s var(--ba-ease),border-color .18s var(--ba-ease),transform .18s var(--ba-ease);
}

.ba-btn::after{
  content:"→";
  font-family:var(--ba-font-mono);
  font-size:13px;
  transition:transform .18s var(--ba-ease);
}

.ba-btn:hover{transform:translateY(-1px)}
.ba-btn:hover::after{transform:translateX(3px)}

.ba-btn--gold{
  background:var(--ba-gold);
  border-color:var(--ba-gold);
  color:#141B33;
}

.ba-btn--gold:hover{background:var(--ba-gold-hi);border-color:var(--ba-gold-hi)}

.ba-btn--ghost{
  background:transparent;
  border-color:rgba(53,211,199,.45);
  color:var(--ba-cyan);
}

.ba-btn--ghost:hover{background:rgba(53,211,199,.1);border-color:var(--ba-cyan)}

.ba-btn--line{background:transparent;color:var(--ba-steel)}

.ba-btn--line:hover{
  color:var(--ba-paper);
  border-color:var(--ba-steel);
  background:rgba(27,42,91,.55);
}

.ba-btn--bounty{
  background:var(--ba-bounty);
  border-color:var(--ba-bounty);
  color:var(--ba-paper);
}

.ba-btn--bounty:hover{background:#A4243A;border-color:#A4243A}

.ba-btn--sm{padding:8px 13px;font-size:13px}

.ba-btn.is-done{color:var(--ba-cyan);border-color:var(--ba-cyan)}
.ba-btn.is-fail{color:#E9A6B0;border-color:rgba(139,30,45,.9)}

/* ---------- 卡片 / 标签 / 旁注 ---------- */

.ba-card{
  position:relative;
  padding:clamp(18px,2.2vw,26px);
  border:var(--ba-line-soft);
  border-radius:var(--ba-radius);
  background:linear-gradient(180deg,rgba(17,26,62,.9),rgba(10,15,44,.68));
  box-shadow:var(--ba-shadow);
  transition:border-color .2s var(--ba-ease),transform .2s var(--ba-ease);
}

.ba-card:hover{border-color:rgba(230,184,74,.42)}

.ba-card--lift{background:linear-gradient(180deg,rgba(27,42,91,.85),rgba(17,26,62,.72))}

.ba-card--bounty{border-left:2px solid var(--ba-bounty)}

.ba-card__title{
  margin-bottom:8px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
}

.ba-card__meta{
  font-family:var(--ba-font-mono);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ba-steel);
}

.ba-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border:var(--ba-line-soft);
  border-radius:999px;
  background:rgba(17,26,62,.6);
  color:var(--ba-steel);
  font-family:var(--ba-font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  text-decoration:none;
  transition:color .18s var(--ba-ease),border-color .18s var(--ba-ease),background .18s var(--ba-ease);
}

.ba-chip:hover{color:var(--ba-paper);border-color:var(--ba-steel)}

.ba-chip--gold{color:var(--ba-gold-hi);border-color:rgba(230,184,74,.5);background:rgba(230,184,74,.1)}
.ba-chip--cyan{color:var(--ba-cyan);border-color:rgba(53,211,199,.42);background:rgba(53,211,199,.08)}
.ba-chip--bounty{color:#EFA8B3;border-color:rgba(139,30,45,.8);background:rgba(139,30,45,.2)}

.ba-chip[aria-pressed="true"],
.ba-chip[data-state="active"]{
  color:#141B33;
  background:var(--ba-gold);
  border-color:var(--ba-gold);
}

.ba-note{
  padding-left:14px;
  border-left:2px solid var(--ba-cyan);
  color:var(--ba-steel);
  font-size:14px;
  line-height:1.8;
}

.ba-note--gold{border-left-color:var(--ba-gold)}
.ba-note--bounty{border-left-color:var(--ba-bounty);color:rgba(244,241,232,.86)}

/* ---------- 索引列表 ---------- */

.ba-index{
  list-style:none;
  border-top:var(--ba-line-soft);
}

.ba-index__item{border-bottom:var(--ba-line-soft)}

.ba-index__link{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) auto;
  align-items:center;
  gap:18px;
  padding:18px 4px;
  color:var(--ba-paper);
  text-decoration:none;
  transition:background .2s var(--ba-ease),padding-left .2s var(--ba-ease);
}

.ba-index__link:hover{
  background:rgba(27,42,91,.55);
  padding-left:14px;
}

.ba-index__num{
  font-family:var(--ba-font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--ba-cyan);
}

.ba-index__title{
  font-size:clamp(17px,1.5vw,20px);
  font-weight:700;
  letter-spacing:.02em;
}

.ba-index__meta{
  font-family:var(--ba-font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--ba-steel);
  white-space:nowrap;
}

/* ---------- 面包屑 / 正文 ---------- */

.ba-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:6px 10px;
  list-style:none;
  font-family:var(--ba-font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ba-steel);
}

.ba-breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.ba-breadcrumb li + li::before{content:"／";color:var(--ba-line)}
.ba-breadcrumb a{color:var(--ba-steel);text-decoration:none}
.ba-breadcrumb a:hover{color:var(--ba-gold-hi)}
.ba-breadcrumb [aria-current="page"]{color:var(--ba-paper)}

.ba-prose{
  max-width:72ch;
  font-size:17px;
  line-height:1.85;
  color:rgba(244,241,232,.9);
}

.ba-prose > * + *{margin-top:1.15em}

.ba-prose h2{
  margin-top:2em;
  font-size:clamp(23px,2.2vw,30px);
  font-weight:800;
  line-height:1.3;
  color:var(--ba-paper);
}

.ba-prose h3{
  margin-top:1.6em;
  font-size:19px;
  font-weight:700;
  color:var(--ba-paper);
}

.ba-prose ul,.ba-prose ol{padding-left:1.3em}
.ba-prose li{margin:.4em 0}

.ba-prose a{
  color:var(--ba-gold-hi);
  text-decoration:underline;
  text-underline-offset:3px;
}

.ba-prose strong{color:var(--ba-paper);font-weight:700}

.ba-prose blockquote{
  margin:1.6em 0;
  padding:4px 0 4px 18px;
  border-left:2px solid var(--ba-gold);
  color:var(--ba-steel);
}

.ba-prose code{
  padding:2px 6px;
  border-radius:2px;
  background:rgba(27,42,91,.7);
  font-family:var(--ba-font-mono);
  font-size:.92em;
}

/* ---------- 表格 ---------- */

.ba-tablewrap{
  overflow-x:auto;
  border:var(--ba-line-soft);
  border-radius:var(--ba-radius);
}

.ba-table{
  width:100%;
  font-size:14.5px;
}

.ba-table th{
  padding:11px 12px;
  text-align:left;
  background:rgba(27,42,91,.6);
  border-bottom:var(--ba-line-soft);
  font-family:var(--ba-font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ba-steel);
  white-space:nowrap;
}

.ba-table td{
  padding:12px;
  border-bottom:1px solid rgba(46,58,104,.7);
  vertical-align:top;
}

.ba-table tr:last-child td{border-bottom:0}

.ba-table td:first-child{
  font-family:var(--ba-font-mono);
  color:var(--ba-gold-hi);
}

.ba-table tbody tr:hover td{background:rgba(27,42,91,.34)}

/* ---------- 图片容器基础规则 ---------- */

.ba-media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 10;
  border:var(--ba-line-soft);
  border-radius:var(--ba-radius);
  background:linear-gradient(135deg,var(--ba-lift),var(--ba-night));
}

.ba-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.ba-media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(10,15,44,0) 42%,rgba(10,15,44,.72));
}

.ba-media__slot{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:18px;
  text-align:center;
  font-family:var(--ba-font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(122,139,181,.72);
}

.ba-media__caption{
  position:absolute;
  left:14px;
  right:14px;
  bottom:11px;
  z-index:2;
  font-family:var(--ba-font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ba-paper);
}

.ba-media--wide{aspect-ratio:21 / 9}
.ba-media--tall{aspect-ratio:4 / 5}
.ba-media--square{aspect-ratio:1 / 1}
.ba-media--cut{clip-path:polygon(0 0,100% 0,100% 84%,0 100%)}

/* ---------- 动效协议 ---------- */

html.ba-js .ba-reveal{
  opacity:0;
  transform:translateY(16px);
}

html.ba-js .ba-reveal.is-visible{
  opacity:1;
  transform:none;
  transition:opacity .6s var(--ba-ease),transform .6s var(--ba-ease);
}

.ba-toc__link[aria-current="true"]{
  color:var(--ba-gold-hi);
  border-color:var(--ba-gold);
}

/* ---------- 页脚 ---------- */

.ba-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(64px,9vw,120px);
  background:var(--ba-panel);
  border-top:var(--ba-line-soft);
}

.ba-footer::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:min(340px,42vw);
  height:2px;
  background:linear-gradient(90deg,var(--ba-gold),transparent);
}

.ba-footer__inner{
  display:grid;
  grid-template-columns:1.3fr 1fr 1.2fr;
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(40px,5vw,68px);
}

.ba-footer__brand{min-width:0}
.ba-footer__mark{width:30px;height:30px;margin-bottom:14px}

.ba-footer__name{
  margin-bottom:10px;
  font-family:var(--ba-font-display);
  font-size:22px;
  font-weight:900;
  letter-spacing:.04em;
  line-height:1.2;
}

.ba-footer__note{
  max-width:42ch;
  margin-bottom:16px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--ba-steel);
}

.ba-footer__meta{
  font-family:var(--ba-font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--ba-cyan);
}

.ba-footer__title{
  margin-bottom:14px;
  font-family:var(--ba-font-mono);
  font-size:11.5px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ba-steel);
}

.ba-footer__list{
  display:grid;
  gap:2px;
  list-style:none;
}

.ba-footer__list a{
  display:inline-flex;
  align-items:baseline;
  gap:9px;
  padding:6px 0;
  color:rgba(244,241,232,.82);
  font-size:14.5px;
  text-decoration:none;
  transition:color .18s var(--ba-ease);
}

.ba-footer__list a::before{
  content:"／";
  font-family:var(--ba-font-mono);
  font-size:11px;
  color:var(--ba-line);
  transition:color .18s var(--ba-ease);
}

.ba-footer__list a:hover{color:var(--ba-gold-hi)}
.ba-footer__list a:hover::before{color:var(--ba-gold)}

.ba-footer__contact p{
  margin-bottom:9px;
  font-size:14.5px;
  line-height:1.7;
  color:rgba(244,241,232,.86);
}

.ba-footer__contact .ba-mono{color:var(--ba-gold-hi)}

.ba-footer__tip{
  margin:14px 0 16px;
  padding-left:12px;
  border-left:1px solid var(--ba-bounty);
  font-size:13.5px;
  color:var(--ba-steel);
}

.ba-footer__baseline{border-top:var(--ba-line-soft)}

.ba-footer__baseline-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  padding-block:18px;
  font-family:var(--ba-font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ba-steel);
}

.ba-footer__icp{color:rgba(244,241,232,.7)}

/* ---------- 平板 ---------- */

@media (max-width:1140px) and (min-width:960px){
  .ba-nav__link{padding:9px 8px;font-size:13.5px}
  .ba-header__actions .ba-btn{padding:9px 12px;font-size:13px}
}

@media (max-width:959px){
  .ba-navtoggle{display:inline-flex}
  .ba-brand{flex:1 1 auto}

  .ba-nav{
    display:none;
    flex:1 0 100%;
    order:2;
    margin:0;
    padding:8px 0 16px;
    border-top:var(--ba-line-soft);
  }

  .ba-nav[data-open]{display:block}

  .ba-nav__hint{
    display:block;
    margin-bottom:10px;
    padding-inline:6px;
    font-family:var(--ba-font-mono);
    font-size:12px;
    line-height:1.7;
    letter-spacing:.06em;
    color:var(--ba-steel);
  }

  .ba-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }

  .ba-nav__link{
    padding:13px 6px;
    border:0;
    border-bottom:1px solid rgba(46,58,104,.65);
    border-radius:0;
    font-size:16px;
  }

  .ba-nav__link[aria-current="page"]{
    background:rgba(230,184,74,.08);
  }

  .ba-nav__link[aria-current="page"]::after{display:none}

  .ba-header__actions{
    flex:1 1 100%;
    order:3;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding-bottom:16px;
  }

  .ba-header__actions .ba-btn{width:100%}

  .ba-footer__inner{
    grid-template-columns:1fr 1fr;
    gap:32px 28px;
  }

  .ba-footer__brand{grid-column:1 / -1}

  .ba-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ba-grid--asym{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 手机 ---------- */

@media (max-width:640px){
  body{font-size:16.5px}

  .ba-header__inner{gap:10px 14px;padding-block:12px}
  .ba-brand__line{letter-spacing:.1em}

  .ba-grid--2,
  .ba-grid--3{grid-template-columns:minmax(0,1fr)}

  .ba-footer__inner{grid-template-columns:minmax(0,1fr)}
  .ba-footer__brand{grid-column:auto}

  .ba-index__link{
    grid-template-columns:42px minmax(0,1fr);
    gap:12px;
    padding:15px 2px;
  }

  .ba-index__meta{
    grid-column:2;
    white-space:normal;
  }

  .ba-section__head{gap:12px}

  .ba-footer__baseline-inner{flex-direction:column;align-items:flex-start}
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}

  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }

  html.ba-js .ba-reveal{
    opacity:1;
    transform:none;
  }

  .ba-btn:hover{transform:none}
  .ba-btn:hover::after{transform:none}
  .ba-progress__bar{transition:none}
}