/* 乐游赛场 · shared site kit — /assets/site.css */

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

:root{
  --ly-ink:#06161F;
  --ly-ink-deep:#040E14;
  --ly-panel:#0C2B27;
  --ly-panel-2:#123B34;
  --ly-cyan:#00F0C8;
  --ly-cyan-soft:#8CFFE6;
  --ly-orange:#FF6B2C;
  --ly-red:#FF3B4E;
  --ly-amber:#FFC24B;
  --ly-text:#E9FFF9;
  --ly-muted:#8FA9A6;
  --ly-line:rgba(140,255,230,.16);
  --ly-line-strong:rgba(0,240,200,.42);
  --ly-glass:rgba(12,43,39,.60);
  --ly-font-display:"Arial Narrow","Helvetica Neue Condensed",Impact,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ly-font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ly-font-num:ui-monospace,SFMono-Regular,"Cascadia Mono",Menlo,Consolas,"Courier New",monospace;
  --ly-w:1200px;
  --ly-gutter:clamp(16px,4vw,40px);
  --ly-ease:cubic-bezier(.22,.61,.36,1);
  --ly-skew:-2deg;
}

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

body{
  margin:0;
  min-height:100%;
  font-family:var(--ly-font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ly-text);
  background-color:var(--ly-ink);
  background-image:
    radial-gradient(1100px 600px at 84% -8%,rgba(0,240,200,.10),transparent 62%),
    radial-gradient(880px 520px at 0% 6%,rgba(255,107,44,.07),transparent 64%),
    linear-gradient(180deg,transparent 55%,rgba(4,14,20,.9));
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

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

/* ---------- 布局 ---------- */
.ly-container{
  width:100%;
  max-width:var(--ly-w);
  margin-inline:auto;
  padding-inline:var(--ly-gutter);
}

.ly-section{padding-block:clamp(36px,6vw,72px)}
.ly-section--tight{padding-block:clamp(22px,3.4vw,40px)}

.ly-grid{display:grid;gap:clamp(12px,2vw,20px)}
.ly-grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.ly-grid--3{grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}

.ly-band{
  position:relative;
  padding-block:clamp(26px,4vw,46px);
  background:var(--ly-panel);
  border-block:1px solid var(--ly-line);
  overflow:hidden;
}
.ly-band__slant{
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(105deg,rgba(0,240,200,.10),transparent 58%);
  transform:skewY(var(--ly-skew));
  transform-origin:left center;
}

.ly-dots{
  height:10px;
  background-image:radial-gradient(circle,var(--ly-line-strong) 1px,transparent 1px);
  background-size:12px 12px;
  background-position:center;
  opacity:.75;
}

.ly-divider{
  height:1px;
  border:0;
  margin:clamp(18px,3vw,30px) 0;
  background:linear-gradient(90deg,var(--ly-line-strong),var(--ly-line),transparent);
}

/* ---------- 排版 ---------- */
.ly-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--ly-font-num);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ly-cyan);
}

.ly-display{
  font-family:var(--ly-font-display);
  font-weight:900;
  font-size:clamp(40px,7vw,88px);
  line-height:.94;
  letter-spacing:-.02em;
  color:var(--ly-text);
}

.ly-num{
  font-family:var(--ly-font-num);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.03em;
  line-height:.9;
}

.ly-lede{
  max-width:60ch;
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.7;
  color:var(--ly-muted);
}

.ly-prose{
  max-width:68ch;
  font-size:17px;
  line-height:1.75;
  color:var(--ly-text);
}
.ly-prose p{margin-block:0 1.1em}
.ly-prose h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin:1.7em 0 .6em;
}
.ly-prose h3{
  font-size:clamp(18px,2vw,21px);
  line-height:1.35;
  font-weight:800;
  margin:1.4em 0 .5em;
}
.ly-prose a{
  color:var(--ly-cyan-soft);
  text-decoration:none;
  border-bottom:1px solid rgba(0,240,200,.45);
}
.ly-prose a:hover{border-bottom-color:var(--ly-cyan);color:var(--ly-cyan)}
.ly-prose ul{list-style:disc;padding-left:1.3em;margin-block:0 1.1em}
.ly-prose li{margin-block:.35em}
.ly-prose strong{color:var(--ly-cyan-soft)}

/* ---------- 按钮 ---------- */
.ly-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:2px;
  font-family:var(--ly-font-body);
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .16s var(--ly-ease),color .16s var(--ly-ease),border-color .16s var(--ly-ease),transform .16s var(--ly-ease);
}
.ly-btn--primary{
  background:var(--ly-orange);
  color:#190800;
}
.ly-btn--primary:hover{background:#FF8547;transform:translateY(-1px)}
.ly-btn--ghost{
  background:rgba(0,240,200,.07);
  border-color:var(--ly-line-strong);
  color:var(--ly-text);
}
.ly-btn--ghost:hover{background:rgba(0,240,200,.16);border-color:var(--ly-cyan);color:var(--ly-cyan-soft)}

/* ---------- 卡片 ---------- */
.ly-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:clamp(16px,2.2vw,24px);
  background:var(--ly-panel);
  border:1px solid var(--ly-line);
  border-left:3px solid rgba(143,169,166,.55);
  border-radius:2px;
  color:inherit;
  text-decoration:none;
  transition:transform .18s var(--ly-ease),border-left-color .18s var(--ly-ease),background-color .18s var(--ly-ease);
}
.ly-card:hover{transform:translateY(-2px);border-left-color:var(--ly-cyan);background:var(--ly-panel-2)}
.ly-card__kicker{
  font-family:var(--ly-font-num);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ly-muted);
}
.ly-card__title{
  font-size:clamp(17px,1.9vw,20px);
  line-height:1.35;
  font-weight:800;
  color:var(--ly-text);
}
.ly-card__num{
  font-family:var(--ly-font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.4vw,40px);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--ly-cyan);
}
.ly-card__meta{
  font-size:13px;
  color:var(--ly-muted);
  letter-spacing:.04em;
}
.ly-card__link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:32px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ly-cyan);
}

/* ---------- 标签 ---------- */
.ly-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  border:1px solid currentColor;
  border-radius:2px;
  font-family:var(--ly-font-num);
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ly-muted);
}
.ly-tag--live{color:var(--ly-red);background:rgba(255,59,78,.12)}
.ly-tag--warn{color:var(--ly-amber);background:rgba(255,194,75,.12)}
.ly-tag--go{color:var(--ly-cyan);background:rgba(0,240,200,.12)}

/* ---------- 面包屑 ---------- */
.ly-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ly-muted);
}
.ly-breadcrumb a{
  color:var(--ly-muted);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ly-ease),border-color .16s var(--ly-ease);
}
.ly-breadcrumb a:hover{color:var(--ly-cyan-soft);border-bottom-color:var(--ly-line-strong)}
.ly-breadcrumb [aria-current="page"]{color:var(--ly-text)}
.ly-breadcrumb__sep{color:var(--ly-line-strong);font-family:var(--ly-font-num)}

/* ---------- 媒体容器 ---------- */
.ly-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--ly-panel-2);
  border:1px solid var(--ly-line);
  border-radius:2px;
}
.ly-media--wide{aspect-ratio:21/9}
.ly-media--tall{aspect-ratio:3/4}
.ly-media > img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.04);
}
.ly-media::after{
  content:"";
  position:absolute;
  inset:-10% -20%;
  pointer-events:none;
  background:linear-gradient(108deg,rgba(0,240,200,.16),transparent 58%);
  transform:skewY(var(--ly-skew));
}
.ly-media__cap{
  margin-top:8px;
  font-size:13px;
  line-height:1.6;
  color:var(--ly-muted);
  letter-spacing:.03em;
}

/* ---------- 目录 ---------- */
.ly-toc{
  position:sticky;
  top:24px;
  display:grid;
  gap:2px;
  padding-left:14px;
  border-left:1px solid var(--ly-line);
}
.ly-toc a{
  display:block;
  min-height:36px;
  padding:6px 0;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ly-muted);
  text-decoration:none;
  transition:color .16s var(--ly-ease);
}
.ly-toc a:hover{color:var(--ly-text)}
.ly-toc a[aria-current="true"]{
  color:var(--ly-cyan);
  font-weight:700;
  box-shadow:inset 2px 0 0 var(--ly-cyan);
  padding-left:8px;
  margin-left:-8px;
}

/* ---------- 跳转链接 / 进度 / 回顶 ---------- */
.ly-skip{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  padding:10px 16px;
  background:var(--ly-cyan);
  color:#00130F;
  font-weight:700;
  font-size:14px;
  text-decoration:none;
  border-radius:2px;
  transform:translateY(-180%);
  transition:transform .18s var(--ly-ease);
}
.ly-skip:focus{transform:translateY(0)}

.ly-progress{
  position:fixed;
  inset-block-start:0;
  inset-inline:0;
  z-index:180;
  height:3px;
  background:rgba(140,255,230,.10);
  pointer-events:none;
}
.ly-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--ly-cyan),var(--ly-cyan-soft));
}

.ly-backtop{
  position:fixed;
  right:clamp(12px,3vw,28px);
  bottom:clamp(12px,3vw,28px);
  z-index:150;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 14px;
  background:var(--ly-panel-2);
  border:1px solid var(--ly-line-strong);
  border-radius:2px;
  color:var(--ly-cyan);
  font-family:var(--ly-font-num);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s var(--ly-ease),transform .2s var(--ly-ease),background-color .2s var(--ly-ease),color .2s var(--ly-ease);
}
.ly-backtop.is-visible{opacity:1;visibility:visible;transform:none}
.ly-backtop:hover{background:var(--ly-cyan);border-color:var(--ly-cyan);color:#00130F}
.ly-backtop__arrow{font-size:14px;line-height:1}
.ly-backtop__text{line-height:1}

/* ---------- 头部：状态带 ---------- */
.ly-header{position:relative;z-index:90}

.ly-status-strip{
  background:var(--ly-ink-deep);
  border-bottom:1px solid var(--ly-line);
}
.ly-status-strip__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:4px 18px;
}
.ly-status-strip__item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding-block:4px;
  font-family:var(--ly-font-num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--ly-muted);
  text-decoration:none;
  transition:color .16s var(--ly-ease);
}
.ly-status-strip__item:hover{color:var(--ly-text)}
.ly-status-strip__dot{
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--ly-cyan);
  box-shadow:0 0 0 3px rgba(0,240,200,.16);
}
.ly-status-strip__item--late .ly-status-strip__dot{
  background:var(--ly-amber);
  box-shadow:0 0 0 3px rgba(255,194,75,.16);
}
.ly-status-strip__key{color:var(--ly-cyan);font-weight:700}
.ly-status-strip__item--late .ly-status-strip__key{color:var(--ly-amber)}
.ly-status-strip__text{color:var(--ly-muted)}
.ly-status-strip__arrow{color:var(--ly-line-strong);transition:transform .16s var(--ly-ease),color .16s var(--ly-ease)}
.ly-status-strip__item:hover .ly-status-strip__arrow{color:var(--ly-cyan);transform:translateX(3px)}

/* ---------- 头部：刊头 ---------- */
.ly-masthead{
  position:relative;
  padding-block:clamp(16px,2.8vw,28px) clamp(14px,2.4vw,22px);
  background:linear-gradient(180deg,rgba(12,43,39,.55),rgba(6,22,31,0));
  border-bottom:1px solid var(--ly-line);
}
.ly-masthead__inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
}
.ly-masthead__tick{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--ly-font-num);
  color:var(--ly-muted);
}
.ly-masthead__tick::before{
  content:"";
  width:34px;
  height:14px;
  background-image:repeating-linear-gradient(105deg,var(--ly-line-strong) 0 2px,transparent 2px 7px);
}
.ly-masthead__tick-num{
  font-size:clamp(20px,2.4vw,28px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ly-cyan);
}
.ly-masthead__tick-label{
  font-size:10px;
  letter-spacing:.22em;
  text-transform:uppercase;
}

.ly-brand{
  display:block;
  text-align:center;
  text-decoration:none;
  color:var(--ly-text);
}
.ly-brand__name{
  display:block;
  font-family:var(--ly-font-display);
  font-weight:900;
  font-size:clamp(26px,4.6vw,42px);
  line-height:1;
  letter-spacing:.16em;
  text-indent:.16em;
  color:var(--ly-text);
  transition:color .16s var(--ly-ease);
}
.ly-brand:hover .ly-brand__name{color:var(--ly-cyan-soft)}
.ly-brand__sub{
  display:block;
  margin-top:9px;
  font-family:var(--ly-font-num);
  font-size:10px;
  line-height:1.4;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--ly-muted);
}
.ly-brand__sub::after{
  content:"";
  display:block;
  width:38px;
  height:2px;
  margin:8px auto 0;
  background:var(--ly-cyan);
  transition:width .18s var(--ly-ease);
}
.ly-brand:hover .ly-brand__sub::after{width:64px}

.ly-quick{
  display:flex;
  align-items:center;
  gap:8px;
  justify-self:end;
}
.ly-quick__link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 14px;
  border:1px solid var(--ly-line-strong);
  border-radius:2px;
  background:rgba(0,240,200,.07);
  color:var(--ly-text);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color .16s var(--ly-ease),color .16s var(--ly-ease),border-color .16s var(--ly-ease);
}
.ly-quick__link:hover{background:rgba(0,240,200,.18);color:var(--ly-cyan-soft);border-color:var(--ly-cyan)}
.ly-quick__link--score{
  background:var(--ly-orange);
  border-color:var(--ly-orange);
  color:#190800;
}
.ly-quick__link--score:hover{background:#FF8547;border-color:#FF8547;color:#190800}

/* ---------- 头部：导航 ---------- */
.ly-navbar{
  position:relative;
  background:rgba(6,22,31,.72);
  border-bottom:1px solid var(--ly-line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.ly-navbar__inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:56px;
}
.ly-navbar__note{
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  font-family:var(--ly-font-num);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ly-muted);
  opacity:.85;
  pointer-events:none;
}

.ly-nav-toggle{
  display:none;
  align-items:center;
  justify-content:space-between;
  width:100%;
  min-height:52px;
  padding:0 2px;
  background:none;
  border:0;
  color:var(--ly-text);
  font-size:13px;
  font-weight:700;
  letter-spacing:.22em;
  cursor:pointer;
}
.ly-nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  gap:4px;
  width:20px;
}
.ly-nav-toggle__bars span{
  display:block;
  height:2px;
  width:100%;
  background:var(--ly-cyan);
  transition:transform .22s var(--ly-ease),opacity .22s var(--ly-ease);
}
.ly-navbar[data-open] .ly-nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ly-navbar[data-open] .ly-nav-toggle__bars span:nth-child(2){opacity:0}
.ly-navbar[data-open] .ly-nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.ly-nav-toggle__text{color:var(--ly-muted)}

.ly-nav{display:grid;grid-template-rows:1fr;overflow:visible}
.ly-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:clamp(8px,2.2vw,28px);
}
.ly-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 2px;
  font-size:14px;
  letter-spacing:.08em;
  color:var(--ly-muted);
  text-decoration:none;
  transition:color .16s var(--ly-ease);
}
.ly-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:8px;
  height:2px;
  background:var(--ly-cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .16s var(--ly-ease);
}
.ly-nav__link:hover{color:var(--ly-text)}
.ly-nav__link:hover::after{transform:scaleX(1)}
.ly-nav__link[aria-current="page"]{color:var(--ly-text);font-weight:700}
.ly-nav__link[aria-current="page"]::after{transform:scaleX(1)}

/* ---------- 页脚 ---------- */
.ly-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:var(--ly-ink-deep);
  border-top:1px solid var(--ly-line-strong);
  color:var(--ly-muted);
}
.ly-footer::before{
  content:"";
  position:absolute;
  inset-block-start:0;
  inset-inline:0;
  height:5px;
  background-image:repeating-linear-gradient(112deg,var(--ly-cyan) 0 12px,transparent 12px 26px);
  opacity:.55;
}
.ly-footer__top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.3fr .9fr;
  gap:clamp(24px,4vw,48px);
  padding-block:clamp(38px,6vw,68px) clamp(28px,4vw,46px);
}
.ly-footer__col{display:flex;flex-direction:column;gap:10px;min-width:0}
.ly-footer__col--brand{gap:12px}

.ly-brand--footer{text-align:left}
.ly-brand--footer .ly-brand__name{
  font-size:clamp(22px,2.6vw,28px);
  letter-spacing:.14em;
  text-indent:0;
}
.ly-brand--footer .ly-brand__sub{margin-top:6px;letter-spacing:.24em}
.ly-brand--footer .ly-brand__sub::after{margin:8px 0 0;width:30px}
.ly-brand--footer:hover .ly-brand__sub::after{width:52px}

.ly-footer__tagline{
  font-family:var(--ly-font-display);
  font-size:clamp(17px,2vw,21px);
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ly-cyan-soft);
}
.ly-footer__note{
  max-width:34ch;
  font-size:13px;
  line-height:1.7;
  color:var(--ly-muted);
}
.ly-footer__dots{
  display:block;
  width:86px;
  height:9px;
  margin-top:4px;
  background-image:radial-gradient(circle,var(--ly-line-strong) 1px,transparent 1px);
  background-size:10px 9px;
  opacity:.8;
}

.ly-footer__heading{
  font-family:var(--ly-font-num);
  font-size:11px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ly-cyan);
  margin-bottom:4px;
}
.ly-footer__list{display:grid;gap:0}
.ly-footer__link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:14px;
  letter-spacing:.04em;
  color:var(--ly-muted);
  text-decoration:none;
  transition:color .16s var(--ly-ease);
}
.ly-footer__link:hover{color:var(--ly-cyan-soft)}
.ly-footer__line{
  display:flex;
  flex-wrap:wrap;
  gap:2px 10px;
  font-size:13px;
  line-height:1.7;
  color:var(--ly-muted);
  word-break:break-all;
}
.ly-footer__key{
  flex:0 0 auto;
  min-width:34px;
  font-family:var(--ly-font-num);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ly-amber);
  padding-top:3px;
}
.ly-footer__cta{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  margin-top:6px;
  padding:0 14px;
  border:1px solid var(--ly-line-strong);
  border-radius:2px;
  background:rgba(0,240,200,.06);
  color:var(--ly-cyan);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;
  transition:background-color .16s var(--ly-ease),color .16s var(--ly-ease),border-color .16s var(--ly-ease);
}
.ly-footer__cta:hover{background:var(--ly-cyan);color:#00130F;border-color:var(--ly-cyan)}

.ly-footer__meta-wrap{
  border-top:1px solid var(--ly-line);
  background:rgba(0,0,0,.28);
}
.ly-footer__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  padding-block:16px;
}
.ly-footer__stamp{
  font-family:var(--ly-font-num);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ly-muted);
}

/* ---------- 焦点与目标 ---------- */
:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--ly-cyan);
  outline-offset:3px;
  border-radius:2px;
}
#main-content{scroll-margin-top:24px}
:target{scroll-margin-top:24px}
.ly-card:target,
[id]:target{
  animation:ly-target-flash 1.2s ease-out;
}
@keyframes ly-target-flash{
  0%{background-color:rgba(0,240,200,.20)}
  100%{background-color:transparent}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .ly-navbar__note{display:none}
}

@media (max-width:1000px){
  .ly-footer__top{grid-template-columns:1.4fr 1fr 1.2fr}
  .ly-footer__col:last-child{grid-column:1 / -1}
  .ly-footer__col:last-child .ly-footer__list{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));display:grid}
}

@media (max-width:860px){
  .ly-nav-toggle{display:flex}
  .ly-navbar__inner{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
  }
  .ly-nav{
    grid-template-rows:0fr;
    overflow:hidden;
    transition:grid-template-rows .28s var(--ly-ease);
  }
  .ly-navbar[data-open] .ly-nav{grid-template-rows:1fr}
  .ly-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    overflow:hidden;
    min-height:0;
    padding-bottom:6px;
  }
  .ly-nav__item{border-bottom:1px solid var(--ly-line)}
  .ly-nav__item:first-child{border-top:1px solid var(--ly-line)}
  .ly-nav__link{
    width:100%;
    justify-content:flex-start;
    min-height:52px;
    padding-inline:4px 16px;
    font-size:15px;
    letter-spacing:.06em;
  }
  .ly-nav__link::after{display:none}
  .ly-nav__link[aria-current="page"]{color:var(--ly-cyan);box-shadow:inset 3px 0 0 var(--ly-cyan);padding-left:12px}
  .ly-nav__link:hover{color:var(--ly-cyan-soft)}
}

@media (max-width:760px){
  .ly-status-strip__inner{
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding-block:2px;
  }
  .ly-status-strip__item{min-height:38px;font-size:11px;letter-spacing:.06em}
  .ly-status-strip__text{font-size:11px}
  .ly-masthead__inner{
    grid-template-columns:1fr;
    justify-items:center;
    gap:12px;
  }
  .ly-masthead__tick{display:none}
  .ly-quick{justify-self:center}
  .ly-brand__name{letter-spacing:.12em;text-indent:.12em}
  .ly-brand__sub{font-size:9px;letter-spacing:.14em}
  .ly-footer__top{grid-template-columns:1fr 1fr;gap:24px 20px}
  .ly-footer__col--brand{grid-column:1 / -1}
  .ly-footer__col:last-child{grid-column:1 / -1}
  .ly-footer__meta{flex-direction:column;align-items:flex-start}
  .ly-toc{position:static;border-left:0;padding-left:0}
}

@media (max-width:480px){
  .ly-footer__top{grid-template-columns:1fr}
  .ly-footer__col:last-child{grid-column:auto}
  .ly-btn{width:100%}
  .ly-backtop{padding:0 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;
  }
  .ly-card:hover,
  .ly-btn--primary:hover,
  .ly-backtop{transform:none}
  .ly-status-strip__item:hover .ly-status-strip__arrow{transform:none}
  .ly-progress__bar{transition:none}
}