/* ============================================================
   乐鱼主站 · 共享样式 /assets/site.css
   0 Reset · 1 Tokens · 2 Base · 3 骨架 · 4 命令栏 · 5 移动导航
   6 状态条 · 7 页脚 · 8 按钮 · 9 章节与数据块 · 10 筛选
   11 表格/面包屑/标签 · 12 图片容器 · 13 动效与无障碍
   ============================================================ */

/* ---------- 0. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4{font-weight:500;line-height:1.2}

/* ---------- 1. Tokens ---------- */
:root{
  --ink:#0A1B2A;
  --ink-2:#10293D;
  --ink-3:#183A52;
  --paper:#F2F0E8;
  --rock:#6E7A80;
  --glass:rgba(242,240,232,.08);
  --glass-2:rgba(242,240,232,.16);
  --cyan:#26E0D6;
  --acid:#C6F24A;
  --orange:#FF7A3C;
  --moss:#4E6B4A;
  --clay:#B4643E;
  --accent:var(--cyan);
  --line:rgba(242,240,232,.14);
  --line-strong:rgba(242,240,232,.28);
  --shell:1240px;
  --pad-x:clamp(16px,4vw,40px);
  --bar-h:62px;
  --bar-h-min:44px;
  --r:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-body:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-cond:'Barlow Condensed','Noto Sans SC','PingFang SC',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
html[data-accent="acid"]{--accent:var(--acid)}

/* ---------- 2. Base 与中文排版 ---------- */
html{scroll-padding-top:calc(var(--bar-h) + 16px)}
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 76% at 88% -12%,rgba(38,224,214,.10),transparent 56%),
    radial-gradient(90% 60% at -6% 104%,rgba(78,107,74,.20),transparent 62%),
    linear-gradient(180deg,rgba(16,41,61,.55),rgba(10,27,42,0) 42%);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
p{max-width:70ch}
strong{color:var(--paper);font-weight:600}
::selection{background:var(--acid);color:var(--ink)}
.mono,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--rock);text-transform:uppercase}
.kicker::before{content:"";width:22px;height:1px;background:var(--accent)}

/* ---------- 3. 骨架 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad-x)}
.section{padding-block:clamp(44px,7vw,96px)}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 20px;margin-bottom:clamp(20px,3vw,36px)}
.grid{display:grid;gap:clamp(18px,3vw,36px)}
.grid--7-5{grid-template-columns:7fr 5fr}
.grid--8-3{grid-template-columns:8fr 3fr}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.stack{display:grid;gap:clamp(12px,2vw,20px)}
.lead{font-size:clamp(17px,1.6vw,19px);line-height:1.8;color:rgba(242,240,232,.82)}
.muted{color:var(--rock)}

/* ---------- 4. 命令栏 Header ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;background:var(--acid);color:var(--ink);
  font-size:13px;font-weight:600;border-radius:var(--r);
  transform:translateY(-160%);transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.cmd-bar{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(10,27,42,.97),rgba(10,27,42,.86));
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
  color:var(--paper);
  transition:box-shadow .25s var(--ease);
}
.cmd-bar[data-condensed]{box-shadow:0 14px 34px rgba(0,0,0,.42)}
.cmd-bar__progress{
  position:absolute;left:0;top:0;height:2px;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--acid) 60%,var(--orange));
  will-change:transform;
}
.cmd-bar__inner{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding-inline:var(--pad-x);
  display:flex;align-items:center;gap:clamp(10px,1.8vw,26px);
  min-height:var(--bar-h);
  transition:min-height .26s var(--ease);
}
.cmd-bar[data-condensed] .cmd-bar__inner{min-height:var(--bar-h-min)}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;min-height:44px}
.brand__mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:var(--r);
  border:1px solid var(--accent);color:var(--accent);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  background:rgba(38,224,214,.07);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__abbr{font-family:var(--font-cond);font-weight:700;font-size:19px;letter-spacing:.03em}
.brand__line{font-size:11px;letter-spacing:.13em;color:var(--rock);font-weight:500}
.cmd-bar[data-condensed] .brand__line{display:none}

.cmd-nav{flex:1 1 auto;display:flex;justify-content:flex-end}
.cmd-nav__list{display:flex;align-items:center;gap:2px}
.cmd-nav__link{
  display:flex;align-items:center;gap:7px;
  min-height:44px;padding:0 12px;border-radius:var(--r);
  font-size:14px;color:rgba(242,240,232,.78);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.cmd-nav__link:hover{color:var(--paper);background:var(--glass)}
.cmd-nav__idx{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:var(--rock)}
.cmd-nav__link[aria-current="page"]{background:var(--accent);color:var(--ink);font-weight:600}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx{color:rgba(10,27,42,.68)}

.cmd-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.cmd-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 14px;border-radius:var(--r);
  border:1px solid var(--line-strong);background:var(--glass);
  color:var(--paper);font-size:13px;letter-spacing:.05em;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.cmd-btn:hover{border-color:var(--accent);color:var(--accent)}
.cmd-btn--accent{border-color:var(--accent);color:var(--accent)}
.cmd-btn--accent:hover{background:rgba(38,224,214,.12)}
.cmd-btn--solid{background:var(--orange);border-color:var(--orange);color:var(--ink);font-weight:600}
.cmd-btn--solid:hover{background:var(--acid);border-color:var(--acid);color:var(--ink)}

.cmd-index{position:relative}
.cmd-index__panel{
  position:absolute;top:calc(100% + 10px);right:0;z-index:95;
  width:min(78vw,292px);padding:16px;
  background:rgba(16,41,61,.97);
  border:1px solid var(--line-strong);
  box-shadow:0 26px 60px rgba(0,0,0,.5);
}
.cmd-index__panel[hidden]{display:none}
.cmd-index__title{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--rock);margin-bottom:10px}
.cmd-index__list{display:grid;gap:2px}
.cmd-index__link{
  display:flex;align-items:center;min-height:40px;padding:0 10px;
  font-size:14px;color:rgba(242,240,232,.84);
  border-left:2px solid transparent;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.cmd-index__link:hover{background:var(--glass);border-left-color:var(--accent);color:var(--paper)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  min-height:44px;padding:0 12px;border-radius:var(--r);
  border:1px solid var(--line-strong);background:var(--glass);
  color:var(--paper);cursor:pointer;
}
.nav-toggle__bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;
  transition:transform .25s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4.25px) rotate(-45deg)}
.nav-toggle__label{font-size:12px;letter-spacing:.12em}

/* ---------- 6. 状态条 ---------- */
.status-strip{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding-inline:var(--pad-x);
  display:flex;align-items:center;gap:16px;
  max-height:32px;overflow:hidden;opacity:1;
  font-family:var(--font-mono);font-size:12px;
  transition:max-height .26s var(--ease),opacity .18s linear;
}
.cmd-bar[data-condensed] .status-strip{max-height:0;opacity:0}
.status-strip__item{display:flex;align-items:baseline;gap:8px;white-space:nowrap}
.status-strip__key{font-size:11px;letter-spacing:.16em;color:var(--rock)}
.status-strip__val{color:var(--paper);font-variant-numeric:tabular-nums}
.status-strip__sep{width:1px;height:12px;background:var(--line-strong);flex:0 0 auto}

/* ---------- 7. 页脚 ---------- */
.site-foot{
  position:relative;overflow:hidden;
  margin-top:clamp(56px,9vw,120px);
  background:var(--ink-2);
  border-top:1px solid var(--line);
}
.site-foot__glow{
  position:absolute;left:-10%;right:-10%;bottom:-90px;height:280px;pointer-events:none;
  background:radial-gradient(58% 100% at 50% 100%,rgba(38,224,214,.16),transparent 72%);
}
.site-foot__inner{position:relative;padding-block:clamp(40px,6vw,72px) 28px}
.site-foot__grid{
  display:grid;gap:clamp(26px,4vw,54px);
  grid-template-columns:1.5fr repeat(3,minmax(0,1fr));
}
.site-foot__brand{display:grid;gap:16px;align-content:start}
.brand--foot{margin-bottom:2px}
.site-foot__note{font-size:14px;line-height:1.7;color:rgba(242,240,232,.7);max-width:34ch}
.site-foot__coltitle{
  font-family:var(--font-mono);font-weight:500;font-size:11px;
  letter-spacing:.18em;color:var(--rock);margin-bottom:12px;
}
.site-foot__list{display:grid;gap:2px}
.site-foot__link{
  display:inline-flex;align-items:center;min-height:36px;
  font-size:14px;color:rgba(242,240,232,.78);
  transition:color .18s var(--ease);
}
.site-foot__link:hover{color:var(--accent)}
.site-foot__link--strong{color:var(--accent)}
.site-foot__bar{
  margin-top:clamp(28px,4vw,48px);padding-top:20px;
  border-top:1px solid var(--line);
  display:grid;gap:8px;
  font-size:12.5px;color:var(--rock);
}
.site-foot__contact{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;font-family:var(--font-mono);letter-spacing:.02em}
.site-foot__meta{font-size:13px;color:rgba(242,240,232,.62)}
.site-foot__legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-family:var(--font-mono)}
.site-foot__legal .site-foot__link{min-height:34px}

/* ---------- 8. 按钮与链接 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  min-height:44px;padding:.7em 1.4em;border-radius:var(--r);
  border:1px solid var(--line-strong);background:transparent;color:var(--paper);
  font-size:14px;letter-spacing:.04em;cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn--solid{background:var(--orange);border-color:var(--orange);color:var(--ink);font-weight:600}
.btn--solid:hover{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.btn--ghost{border-color:rgba(38,224,214,.5);color:var(--cyan)}
.btn--ghost:hover{background:rgba(38,224,214,.1);color:var(--cyan)}
.link-underline{border-bottom:1px solid var(--accent);padding-bottom:2px;color:var(--accent)}

/* ---------- 9. 章节与数据块 ---------- */
.chapter{position:relative;padding-block:clamp(44px,6vw,92px);border-top:1px solid var(--line)}
.chapter__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 24px}
.chapter__num{
  font-family:var(--font-mono);font-weight:400;
  font-size:clamp(40px,6vw,74px);line-height:.9;
  color:transparent;-webkit-text-stroke:1px var(--rock);
  letter-spacing:-.02em;
}
.chapter__title{
  font-family:var(--font-cond);font-weight:700;
  font-size:clamp(24px,3vw,40px);letter-spacing:-.01em;line-height:1.1;
}
.chapter__lead{margin-top:14px;max-width:66ch;color:rgba(242,240,232,.78)}
.chapter__body{margin-top:clamp(20px,3vw,38px)}
.rule{height:1px;width:100%;margin-block:clamp(20px,3vw,34px);background:linear-gradient(90deg,var(--accent),rgba(242,240,232,.05))}

.panel{
  position:relative;padding:clamp(16px,2.4vw,26px);
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.panel--solid{background:var(--ink-2);-webkit-backdrop-filter:none;backdrop-filter:none}
.panel--live{border-color:rgba(38,224,214,.48)}
.panel--clay{border-left:2px solid var(--clay)}
.stat{display:grid;gap:6px;align-content:start}
.stat__val{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(28px,4vw,56px);line-height:1;color:var(--acid);letter-spacing:-.02em;
}
.stat__val--cyan{color:var(--cyan)}
.stat__val--warm{color:var(--orange)}
.stat__key{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--rock)}

.slant{position:relative;height:clamp(40px,6vw,86px);overflow:hidden}
.slant::before{
  content:"";position:absolute;inset:0;opacity:.28;
  background:linear-gradient(90deg,var(--cyan),var(--acid));
  clip-path:polygon(0 64%,100% 0,100% 28%,0 92%);
}

/* ---------- 10. 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-block:clamp(14px,2vw,24px)}
.filter-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:.55em 1.05em;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);color:rgba(242,240,232,.82);
  font-size:13px;letter-spacing:.06em;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-btn:hover{border-color:var(--accent);color:var(--paper)}
.filter-btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:600}
.filter-count{font-family:var(--font-mono);font-size:12px;color:var(--rock);margin-left:auto}

/* ---------- 11. 表格 / 面包屑 / 标签 ---------- */
.data-table{width:100%;font-size:14.5px}
.data-table caption{text-align:left;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--rock);padding-bottom:12px}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.data-table thead th{
  background:var(--ink-3);color:var(--paper);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;font-weight:500;
}
.data-table tbody tr:hover{background:var(--glass)}
.data-table td.num,.data-table th.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--rock)}
.crumbs a{min-height:32px;display:inline-flex;align-items:center}
.crumbs a:hover{color:var(--accent)}
.crumbs__sep{color:rgba(242,240,232,.28)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px solid var(--line-strong);border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:rgba(242,240,232,.82);
}
.tag--accent{border-color:var(--accent);color:var(--accent)}
.tag--warm{border-color:var(--orange);color:var(--orange)}

/* ---------- 12. 图片容器 ---------- */
.media{
  position:relative;display:block;overflow:hidden;
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r);
}
.media img,.media video{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media--tilt{transform:rotate(-1.2deg)}
.media__ph{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(242,240,232,.055) 0 12px,transparent 12px 24px);
}
.media__cap{
  position:absolute;left:0;right:0;bottom:0;padding:10px 12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--paper);
  background:linear-gradient(180deg,transparent,rgba(10,27,42,.88));
}

/* ---------- 13. 动效与无障碍 ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:var(--r)}
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
[hidden]{display:none !important}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  [data-reveal]{opacity:1;transform:none}
  .cmd-bar__progress{transition:none}
}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .brand__line{display:none}
  .cmd-nav__link{padding:0 9px;font-size:13px}
  .grid--7-5,.grid--8-3{grid-template-columns:1fr}
}
@media (max-width:980px){
  .site-foot__grid{grid-template-columns:1fr 1fr}
  .grid--3{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .cmd-index{display:none}
  .cmd-nav{
    position:absolute;left:0;right:0;top:100%;display:block;
    background:rgba(10,27,42,.985);
    border-bottom:1px solid var(--line-strong);
    padding:8px var(--pad-x) 18px;
    max-height:0;opacity:0;visibility:hidden;overflow:hidden;
    transition:max-height .3s var(--ease),opacity .2s var(--ease),visibility .3s linear;
  }
  .cmd-nav[data-open="true"]{max-height:min(76vh,560px);opacity:1;visibility:visible;overflow-y:auto}
  .cmd-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .cmd-nav__link{justify-content:flex-start;padding:0 4px;border-bottom:1px solid var(--line);border-radius:0;font-size:16px}
  .cmd-nav__link[aria-current="page"]{background:transparent;color:var(--accent);font-weight:600}
  .cmd-nav__link[aria-current="page"] .cmd-nav__idx{color:var(--accent)}
  .status-strip{gap:12px;font-size:11.5px}
}
@media (max-width:760px){
  .status-strip__item--upd,.status-strip__sep--upd{display:none}
  .grid--3{grid-template-columns:1fr}
  .site-foot__grid{grid-template-columns:1fr}
  .chapter__num{font-size:clamp(34px,11vw,52px)}
}
@media (max-width:560px){
  .cmd-btn--accent{display:none}
  .cmd-bar__inner{gap:8px}
  .brand__abbr{font-size:17px}
  .stats-row{grid-template-columns:1fr}
}