/* ============================================================
   乐鱼赛场 · 共享样式 /assets/site.css
   深海蓝档案底 + 荧光青数据层 + 珊瑚橙行动点
   ============================================================ */

:root{
  --ly-deep:#04182B;
  --ly-deep-2:#082742;
  --ly-card:#0F3A5C;
  --ly-cyan:#17F0D2;
  --ly-cyan-soft:#7CF6E4;
  --ly-coral:#FF6A3D;
  --ly-coral-soft:#FFB59A;
  --ly-white:#EAF6FF;
  --ly-mist:#93AFC6;
  --ly-ink:#010D18;
  --ly-line:rgba(124,246,228,.16);
  --ly-line-strong:rgba(23,240,210,.42);
  --ly-glass:rgba(15,58,92,.42);
  --ly-wrap:1240px;
  --ly-gutter:clamp(18px,4vw,44px);
  --ly-font-body:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ly-font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --ly-font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --ly-radius:3px;
  --ly-ease:cubic-bezier(.22,.61,.36,1);
  --cmd-h:68px;
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  min-height:100%;
  font-family:var(--ly-font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ly-white);
  background-color:var(--ly-deep);
  background-image:
    radial-gradient(120% 78% at 84% -12%,rgba(23,240,210,.10),transparent 62%),
    radial-gradient(88% 62% at 4% 2%,rgba(255,106,61,.07),transparent 64%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl,dd{margin:0;}
ul,ol{list-style:none;padding:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
img,svg,video{display:block;max-width:100%;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--ly-cyan);outline-offset:3px;border-radius:2px;}
::selection{background:var(--ly-coral);color:var(--ly-ink);}

/* ---------- 2. 布局容器 ---------- */
.wrap{
  width:100%;
  max-width:var(--ly-wrap);
  margin-inline:auto;
  padding-inline:var(--ly-gutter);
}

/* ---------- 3. 排版组件 ---------- */
.index-label{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ly-cyan-soft);
}
.num{font-family:var(--ly-font-mono);font-variant-numeric:tabular-nums;}
.display{
  font-family:var(--ly-font-display);
  font-weight:300;
  font-size:clamp(40px,9vw,120px);
  line-height:.96;
  letter-spacing:-.02em;
  margin:0;
}
.display em{font-style:normal;color:var(--ly-coral);}
.prose{max-width:34em;color:var(--ly-white);}
.prose p{margin:0 0 1.1em;}
.prose p:last-child{margin-bottom:0;}
.prose strong{font-weight:600;color:var(--ly-cyan-soft);}
.muted{color:var(--ly-mist);font-size:14px;}

.sec{padding:clamp(52px,7.5vw,104px) 0;position:relative;}
.sec__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:clamp(10px,1.6vw,18px);margin-bottom:clamp(22px,3vw,40px);}
.sec__num{
  font-family:var(--ly-font-mono);
  font-size:13px;
  letter-spacing:.2em;
  color:var(--ly-cyan);
  padding-bottom:6px;
  border-bottom:1px solid var(--ly-line-strong);
}
.sec__title{
  font-family:var(--ly-font-display);
  font-weight:300;
  font-size:clamp(24px,4vw,40px);
  line-height:1.16;
  letter-spacing:-.01em;
}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--ly-line-strong),transparent 78%);}

/* ---------- 4. 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ly-mist);
}
.crumbs a{color:var(--ly-mist);transition:color .18s ease;}
.crumbs a:hover{color:var(--ly-cyan);}
.crumbs__sep{color:rgba(147,175,198,.5);}
.crumbs [aria-current="page"]{color:var(--ly-white);}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--ly-radius);
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.2;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s var(--ly-ease);
}
.btn--coral{background:var(--ly-coral);color:var(--ly-ink);}
.btn--coral:hover{background:var(--ly-coral-soft);}
.btn--ghost{
  background:rgba(8,39,66,.62);
  border-color:var(--ly-line-strong);
  color:var(--ly-cyan-soft);
  backdrop-filter:blur(8px);
}
.btn--ghost:hover{border-color:var(--ly-cyan);color:var(--ly-cyan);}
.btn--line{border-color:rgba(234,246,255,.28);color:var(--ly-white);}
.btn--line:hover{border-color:var(--ly-white);background:rgba(234,246,255,.06);}

/* ---------- 6. 页头：紧凑命令栏 ---------- */
.cmd-bar{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(4,24,43,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ly-line-strong);
}
.cmd-bar__inner{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(10px,2vw,28px);
  min-height:var(--cmd-h);
  transition:min-height .28s var(--ly-ease);
}
.cmd-bar[data-slim]{--cmd-h:56px;background:rgba(4,24,43,.96);}
.cmd-bar__progress{
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,var(--ly-cyan),var(--ly-cyan-soft));
  transform:scaleX(0);
  transform-origin:left center;
  will-change:transform;
}

/* 品牌标记 */
.brand-mark{display:inline-flex;align-items:center;gap:11px;padding:5px 0;}
.brand-mark__glyph{
  position:relative;
  width:28px;height:28px;
  flex:0 0 auto;
  border-radius:6px;
  background:linear-gradient(135deg,var(--ly-cyan) 0%,#0b7a86 58%,rgba(11,122,134,0) 100%);
  box-shadow:0 0 18px rgba(23,240,210,.35);
}
.brand-mark__glyph::after{
  content:"";
  position:absolute;
  inset:7px;
  border:1px solid rgba(4,24,43,.8);
  transform:rotate(45deg);
}
.brand-mark__text{display:flex;flex-direction:column;line-height:1.1;}
.brand-mark__name{font-size:17px;font-weight:500;letter-spacing:.06em;}
.brand-mark__meta{font-family:var(--ly-font-mono);font-size:10px;letter-spacing:.24em;color:var(--ly-mist);}

/* 导航 */
.cmd-bar__nav{display:flex;align-items:center;justify-content:center;}
.cmd-bar__navindex{display:none;}
.cmd-bar__navfoot{display:none;}
.nav-list{display:flex;align-items:center;gap:clamp(2px,.8vw,10px);}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 12px;
  font-size:14px;
  letter-spacing:.04em;
  color:var(--ly-mist);
  border-radius:2px;
  transition:color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s var(--ly-ease);
}
.nav-item:nth-child(3n+1) .nav-link{transform:translateY(-2px);}
.nav-item:nth-child(3n+2) .nav-link{transform:translateY(2px);}
.nav-item:nth-child(3n) .nav-link{transform:translateY(-1px);}
.nav-link:hover,.nav-link:focus-visible{
  transform:translateY(0);
  color:var(--ly-white);
  background:rgba(15,58,92,.72);
}
.nav-link[aria-current="page"]{
  transform:translateY(0);
  color:var(--ly-cyan);
  background:linear-gradient(180deg,rgba(23,240,210,.18),rgba(23,240,210,.05));
  box-shadow:inset 0 0 0 1px var(--ly-line-strong);
}
.nav-link[aria-current="page"]::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--ly-cyan);
  box-shadow:0 0 10px var(--ly-cyan);
}

/* 右侧工具区 */
.cmd-bar__utility{display:flex;align-items:center;gap:10px;justify-self:end;}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 11px;
  border:1px solid var(--ly-line);
  border-radius:999px;
  background:rgba(8,39,66,.6);
}
.status-chip__dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--ly-cyan);
  box-shadow:0 0 8px var(--ly-cyan);
  animation:ly-pulse 2.6s ease-in-out infinite;
}
.status-chip__text{
  font-family:var(--ly-font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ly-cyan-soft);
  white-space:nowrap;
}
@keyframes ly-pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.cmd-btn{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border:1px solid transparent;
  border-radius:2px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.cmd-btn--ghost{border-color:var(--ly-line-strong);color:var(--ly-cyan-soft);background:rgba(8,39,66,.5);}
.cmd-btn--ghost:hover{border-color:var(--ly-cyan);color:var(--ly-cyan);}
.cmd-btn--coral{background:var(--ly-coral);color:var(--ly-ink);}
.cmd-btn--coral:hover{background:var(--ly-coral-soft);}

/* 移动索引开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--ly-line-strong);
  border-radius:2px;
  color:var(--ly-cyan-soft);
  font-size:12px;
  letter-spacing:.16em;
}
.nav-toggle__bars{display:grid;gap:4px;width:18px;}
.nav-toggle__bars i{display:block;height:1.5px;background:currentColor;transition:transform .2s var(--ly-ease),opacity .2s ease,width .2s ease;}
.nav-toggle__bars i:nth-child(2){width:12px;}
.cmd-bar[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.cmd-bar[data-open] .nav-toggle__bars i:nth-child(2){opacity:0;}
.cmd-bar[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

/* ---------- 7. 页脚 ---------- */
.site-foot{
  position:relative;
  overflow:hidden;
  background:var(--ly-deep-2);
  border-top:1px solid var(--ly-line);
  color:var(--ly-white);
}
.site-foot::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(124,246,228,.10) 0 1px,transparent 1px 20px);
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 72%);
  mask-image:linear-gradient(90deg,#000,transparent 72%);
  opacity:.7;
  pointer-events:none;
}
.site-foot__track{
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg,var(--ly-cyan) 0%,rgba(23,240,210,.22) 52%,transparent 100%);
}
.site-foot__inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(230px,1fr) minmax(0,2.5fr);
  gap:clamp(26px,5vw,72px);
  padding-top:clamp(42px,6vw,74px);
}
.foot-brand{display:flex;flex-direction:column;gap:12px;}
.foot-brand__line{
  font-family:var(--ly-font-display);
  font-weight:300;
  font-size:clamp(18px,2.2vw,23px);
  line-height:1.35;
  letter-spacing:.01em;
}
.foot-brand__meta{
  font-family:var(--ly-font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ly-mist);
}
.foot-legal__links{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:6px;}
.foot-legal__links a{
  font-size:13px;
  color:var(--ly-cyan-soft);
  border-bottom:1px solid rgba(124,246,228,.35);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.foot-legal__links a:hover{color:var(--ly-cyan);border-color:var(--ly-cyan);}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(18px,2.6vw,34px);
}
.foot-col{display:flex;flex-direction:column;gap:12px;}
.foot-col__title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--ly-cyan);
  text-transform:uppercase;
}
.foot-list{display:flex;flex-direction:column;gap:8px;}
.foot-list a{
  font-size:14px;
  line-height:1.5;
  color:var(--ly-mist);
  transition:color .18s ease,transform .18s var(--ly-ease);
}
.foot-list a:hover{color:var(--ly-white);transform:translateX(3px);}
.foot-legal{
  position:relative;
  display:grid;
  gap:6px;
  margin-top:clamp(34px,5vw,58px);
  padding-top:clamp(22px,3vw,32px);
  padding-bottom:clamp(30px,4vw,48px);
  border-top:1px solid var(--ly-line);
}
.foot-legal__icp{
  font-family:var(--ly-font-mono);
  font-size:15px;
  letter-spacing:.06em;
  color:var(--ly-white);
}
.foot-legal__sep{margin:0 8px;color:rgba(147,175,198,.6);}
.foot-legal__row{font-size:13px;line-height:1.7;color:var(--ly-mist);}
.foot-legal__row .num{color:var(--ly-cyan-soft);}
.foot-note{font-size:13px;line-height:1.7;color:var(--ly-coral-soft);}
.foot-copy{
  margin-top:6px;
  font-family:var(--ly-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:rgba(147,175,198,.7);
}

/* ---------- 8. 跳转链 ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:140;
  padding:10px 16px;
  background:var(--ly-cyan);
  color:var(--ly-ink);
  font-size:13px;
  font-weight:600;
  border-radius:2px;
  transform:translateY(-180%);
  transition:transform .18s var(--ly-ease);
}
.skip-link:focus{transform:translateY(0);}

/* ---------- 9. 网格与卡片 ---------- */
.grid{display:grid;gap:clamp(16px,2.4vw,26px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,4fr);}

.card{
  position:relative;
  padding:clamp(18px,2.4vw,26px);
  border:1px solid var(--ly-line);
  border-radius:var(--ly-radius);
  background:linear-gradient(180deg,rgba(15,58,92,.55),rgba(8,39,66,.78));
  backdrop-filter:blur(10px);
}
.card__index{
  position:absolute;
  top:12px;right:14px;
  font-family:var(--ly-font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--ly-mist);
}
.archive-card{border-left:2px solid var(--ly-cyan);}

.tag{
  display:inline-block;
  padding:3px 10px;
  border:1px solid var(--ly-line-strong);
  border-radius:999px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--ly-cyan-soft);
}
.tag--coral{border-color:var(--ly-coral);background:var(--ly-coral-soft);color:var(--ly-ink);}

.stat{display:flex;flex-direction:column;gap:4px;}
.stat__value{
  display:flex;
  align-items:baseline;
  font-family:var(--ly-font-mono);
  font-size:clamp(26px,4vw,40px);
  line-height:1.1;
  color:var(--ly-cyan);
}
.stat__unit{font-size:.62em;margin-left:.25em;color:var(--ly-cyan-soft);}
.stat__label{font-size:12px;letter-spacing:.14em;color:var(--ly-mist);}

/* 数据横条 */
.bar{
  position:relative;
  width:100%;
  height:6px;
  background:rgba(15,58,92,.9);
  overflow:hidden;
  border-radius:999px;
}
.bar__fill{
  display:block;
  height:100%;
  width:100%;
  background:linear-gradient(90deg,var(--ly-cyan-soft),var(--ly-cyan));
  transform:scaleX(var(--v,0));
  transform-origin:left center;
  transition:transform .6s ease-out;
}

/* ---------- 10. 图像容器（页面阶段使用） ---------- */
.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--ly-line);
  border-radius:var(--ly-radius);
  background:linear-gradient(160deg,var(--ly-card),var(--ly-deep-2));
}
.media--wide{aspect-ratio:16/9;}
.media--square{aspect-ratio:1/1;}
.media--tall{aspect-ratio:3/4;}
.media img{width:100%;height:100%;object-fit:cover;}
.media__grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(124,246,228,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(124,246,228,.08) 1px,transparent 1px);
  background-size:30px 30px;
  pointer-events:none;
}
.media__mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 38%,rgba(1,13,24,.86));
  pointer-events:none;
}
.media__tag{
  position:absolute;
  top:12px;left:12px;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(1,13,24,.7);
  border:1px solid var(--ly-line-strong);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--ly-cyan-soft);
}
.media__caption{
  position:absolute;
  left:14px;right:14px;bottom:12px;
  font-size:12px;
  line-height:1.5;
  color:var(--ly-mist);
}

/* ---------- 11. 装饰 ---------- */
.dotgrid{
  background-image:radial-gradient(rgba(124,246,228,.18) 1px,transparent 1px);
  background-size:22px 22px;
}
.diag-line{
  position:absolute;
  top:0;left:0;
  width:1px;
  height:140%;
  background:linear-gradient(180deg,transparent,rgba(23,240,210,.55),transparent);
  transform:rotate(12deg);
  transform-origin:top left;
  pointer-events:none;
}

/* ---------- 12. 滚动显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease-out,transform .6s var(--ly-ease);
}
[data-reveal].reveal--in{opacity:1;transform:none;}

/* ---------- 13. 断点 ---------- */
@media (max-width:1100px){
  .cmd-btn--ghost{display:none;}
  .nav-link{padding:8px 9px;font-size:13px;}
}

@media (max-width:960px){
  :root{--cmd-h:62px;}
  html{scroll-padding-top:78px;}
  .cmd-bar__inner{grid-template-columns:1fr auto;gap:12px;}
  .cmd-bar__utility{display:none;}
  .nav-toggle{display:inline-flex;}
  .cmd-bar__nav{
    position:fixed;
    left:0;right:0;
    top:var(--cmd-h);
    bottom:0;
    display:block;
    padding:22px var(--ly-gutter) 44px;
    overflow-y:auto;
    background:linear-gradient(180deg,rgba(8,39,66,.97),rgba(4,24,43,.99));
    backdrop-filter:blur(16px);
    border-top:1px solid var(--ly-line-strong);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s var(--ly-ease),visibility .22s ease;
    z-index:90;
  }
  .cmd-bar[data-open] .cmd-bar__nav{opacity:1;visibility:visible;transform:none;}
  .cmd-bar__navindex{
    display:block;
    margin-bottom:14px;
    font-family:var(--ly-font-mono);
    font-size:11px;
    letter-spacing:.2em;
    color:var(--ly-cyan);
  }
  .nav-list{
    counter-reset:navidx;
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-link{
    padding:15px 6px;
    font-size:16px;
    color:var(--ly-white);
    border-bottom:1px solid var(--ly-line);
    border-radius:0;
    transform:none;
  }
  .nav-item:nth-child(n) .nav-link{transform:none;}
  .nav-link:hover,.nav-link:focus-visible{transform:none;background:rgba(15,58,92,.55);}
  .nav-link::after{
    counter-increment:navidx;
    content:"0" counter(navidx);
    order:-1;
    font-family:var(--ly-font-mono);
    font-size:11px;
    letter-spacing:.12em;
    color:var(--ly-mist);
  }
  .nav-link[aria-current="page"]{
    color:var(--ly-cyan);
    background:linear-gradient(90deg,rgba(23,240,210,.16),transparent 72%);
    box-shadow:inset 3px 0 0 var(--ly-cyan);
  }
  .nav-link[aria-current="page"]::before{display:none;}
  .nav-link[aria-current="page"]::after{color:var(--ly-cyan);}
  .cmd-bar__navfoot{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:24px;
  }
  .cmd-bar__navfoot .btn{flex:1 1 160px;}

  .site-foot__inner{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--split{grid-template-columns:1fr;}
}

@media (max-width:720px){
  body{font-size:16px;}
  .grid--2,.grid--3{grid-template-columns:1fr;}
}

@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr;}
  .brand-mark__meta{display:none;}
  .foot-legal__icp{font-size:14px;letter-spacing:.04em;}
  .foot-legal__sep{margin:0 5px;}
}

/* ---------- 14. 无障碍与减弱动效 ---------- */
@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;}
  .bar__fill{transform:scaleX(var(--v,1));}
  .foot-list a:hover{transform:none;}
  .nav-link:hover,.nav-link:focus-visible{transform:none;}
}