/* =========================================================
   金花游戏 · gold-flower-game.com.cn
   共享样式表 /assets/site.css
   头部 · 页脚 · 按钮 · 面包屑 · 正文容器 · 网格 · 基础组件
   ========================================================= */

/* ---------- 01 变量 ---------- */
:root{
  --ink-900:#08090D;
  --ink-800:#0E1118;
  --ink-700:#151A24;
  --ink-600:#1C2230;
  --gold:#C9A227;
  --gold-hi:#F2D98C;
  --gold-line:#6E5518;
  --violet:#4B3A7A;
  --teal:#1F4A44;
  --wine:#6B2540;
  --sand:#C97B3F;
  --paper:#EDE7DA;
  --muted:#9C978C;
  --ok:#3F8F6E;

  --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:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --maxw:1240px;
  --r:3px;
  --header-h:76px;
  --rail-top:104px;
  --line:rgba(110,85,24,.45);
  --line-soft:rgba(110,85,24,.22);
  --card-bg:linear-gradient(180deg, rgba(21,26,36,.96), rgba(14,17,24,.96));
}

/* ---------- 02 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px;border-radius:2px}

/* ---------- 03 中文排版与页面底色 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--paper);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1200px 620px at 8% -12%, rgba(75,58,122,.30), transparent 62%),
    radial-gradient(900px 520px at 108% 6%, rgba(31,74,68,.24), transparent 58%),
    radial-gradient(700px 420px at 50% 118%, rgba(107,37,64,.20), transparent 60%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(110,85,24,.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(110,85,24,.10) 1px, transparent 1px);
  background-size:88px 88px;
  -webkit-mask-image:radial-gradient(125% 90% at 50% 0%, #000 0%, transparent 76%);
  mask-image:radial-gradient(125% 90% at 50% 0%, #000 0%, transparent 76%);
}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--paper)}
h1{font-size:clamp(32px,5.2vw,58px)}
h2{font-size:clamp(24px,3.2vw,32px)}
h3{font-size:clamp(18px,2.2vw,22px)}
p{text-wrap:pretty}
strong{font-weight:800;color:var(--gold-hi)}
#main-content,[data-chapter]{scroll-margin-top:110px}
::selection{background:rgba(201,162,39,.32);color:#fff}

.mono,.num{font-family:var(--font-mono);letter-spacing:.04em}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.divider{height:1px;border:0;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:clamp(24px,4vw,44px) 0}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}

/* ---------- 04 跳转链接 ---------- */
.skip-link{
  position:fixed;left:16px;top:-72px;z-index:200;
  padding:10px 18px;border-radius:999px;
  background:var(--gold);color:#100D06;font-weight:800;font-size:14px;
  transition:top .2s ease;
}
.skip-link:focus{top:14px}

/* ---------- 05 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg, rgba(8,9,13,.94), rgba(8,9,13,.80));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.status-strip{
  height:30px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  background:rgba(14,17,24,.66);
  transition:height .3s ease,opacity .3s ease,border-color .3s ease;
}
.site-header[data-scrolled] .status-strip{height:0;opacity:0;border-bottom-color:transparent}
.status-strip__inner{
  max-width:var(--maxw);margin-inline:auto;height:30px;
  padding-inline:clamp(16px,4vw,32px);
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;
}
.status-strip__pulse{
  width:6px;height:6px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(63,143,110,.18);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.status-strip__text{color:var(--muted)}
.status-strip__divider{width:1px;height:11px;background:var(--line);flex:0 0 auto}
.status-strip__mono{color:var(--gold);white-space:nowrap}

.site-header__bar{padding:10px clamp(12px,3vw,24px)}
.site-header__inner{
  max-width:var(--maxw);margin-inline:auto;
  min-height:60px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:linear-gradient(180deg, rgba(21,26,36,.94), rgba(11,14,20,.96));
  box-shadow:0 16px 40px -30px rgba(0,0,0,.95), inset 0 1px 0 rgba(242,217,140,.09);
  transition:max-width .35s ease,min-height .3s ease,padding .3s ease;
}
.site-header[data-scrolled] .site-header__inner{max-width:1060px;min-height:54px}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.brand__seal{
  flex:0 0 auto;display:grid;place-items:center;
  width:30px;height:30px;border-radius:4px;
  border:1px solid var(--gold-hi);
  background:linear-gradient(155deg,#F2D98C,#C9A227 46%,#6E5518);
  color:#100D06;font-size:15px;font-weight:900;line-height:1;
}
.brand__text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand__name{
  font-size:16px;font-weight:800;letter-spacing:.06em;white-space:nowrap;
  background:linear-gradient(100deg,#F2D98C,#C9A227 58%,#8C6E15);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand__meta{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;white-space:nowrap;
}

/* 导航 */
.nav{display:flex;align-items:center;margin-left:auto;min-width:0}
.nav__list{
  display:flex;align-items:center;gap:2px;
  padding:3px;border:1px solid var(--line-soft);border-radius:999px;
  background:rgba(8,9,13,.55);
}
.nav__item{display:flex}
.nav__link{
  display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap;
  padding:8px 11px;border-radius:999px;
  font-size:13.5px;font-weight:600;letter-spacing:.01em;color:var(--muted);
  transition:color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.nav__link::before{
  content:attr(data-idx);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;
  color:var(--gold-line);transition:color .2s ease;
}
.nav__link:hover{color:var(--paper);background:rgba(201,162,39,.10)}
.nav__link:hover::before{color:var(--gold)}
.nav__link[aria-current="page"]{
  color:var(--gold-hi);background:rgba(201,162,39,.14);
  box-shadow:inset 0 0 0 1px rgba(201,162,39,.5);
}
.nav__link[aria-current="page"]::before{color:var(--gold-hi)}
.nav__foot{display:none}

/* 头部动作区 */
.site-header__actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 14px;border:1px solid var(--gold-line);border-radius:999px;
  background:rgba(201,162,39,.08);color:var(--gold-hi);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(201,162,39,.18)}
.nav-toggle__bars{display:grid;gap:3px;width:14px}
.nav-toggle__bars span{display:block;height:1px;background:currentColor;transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"]{background:rgba(201,162,39,.22);border-color:var(--gold)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-4px) rotate(-45deg)}

/* ---------- 06 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:11px 18px;border-radius:999px;border:1px solid var(--gold-line);
  background:transparent;color:var(--paper);
  font-size:14px;font-weight:700;letter-spacing:.02em;line-height:1;white-space:nowrap;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--block{display:flex;width:100%}
.btn--primary{
  background:linear-gradient(180deg,#F2D98C,#C9A227 52%,#8C6E15);
  border-color:#F2D98C;color:#14100A;
  box-shadow:0 10px 26px -14px rgba(201,162,39,.75);
}
.btn--primary:hover{background:linear-gradient(180deg,#FFF0C2,#E0B733 52%,#9C7A18);color:#100D06}
.btn--gold{color:var(--gold-hi);border-color:var(--gold);background:rgba(201,162,39,.10)}
.btn--gold:hover{background:rgba(201,162,39,.22);box-shadow:inset 0 0 0 1px rgba(242,217,140,.4)}
.btn--ghost{color:var(--paper);border-color:var(--line);background:rgba(237,231,218,.035)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-hi);background:rgba(201,162,39,.10)}

/* ---------- 07 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(48px,8vw,110px);
  border-top:1px solid var(--gold-line);
  background:linear-gradient(180deg, rgba(16,20,28,.94), var(--ink-900));
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,rgba(201,162,39,.6) 18%,rgba(75,58,122,.75) 52%,rgba(201,123,63,.55) 84%,transparent);
}
.site-footer__inner{
  max-width:var(--maxw);margin-inline:auto;
  padding:clamp(32px,5vw,56px) clamp(16px,4vw,32px) 26px;
}
.footer-marker{
  display:flex;align-items:center;gap:12px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);
}
.footer-marker__num{
  display:grid;place-items:center;width:28px;height:20px;
  border:1px solid var(--gold-line);color:var(--gold-hi);font-size:11px;letter-spacing:.04em;
}
.footer-marker__text{color:var(--muted)}
.footer-top{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 24px;padding-top:24px;
}
.brand--footer .brand__seal{width:34px;height:34px;font-size:16px}
.brand--footer .brand__name{font-size:17px}
.footer-top__note{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;
}
.footer-grid{
  display:grid;grid-template-columns:1.05fr .95fr 1.35fr 1fr;
  gap:clamp(20px,3vw,42px);
  padding-top:clamp(24px,3.4vw,36px);
}
.footer-col{min-width:0}
.footer-col__title{
  margin-bottom:14px;padding-bottom:8px;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--gold);
}
.footer-list{display:grid;gap:2px}
.footer-link{
  display:flex;align-items:baseline;gap:9px;
  padding:4px 0;font-size:14px;color:var(--muted);
  transition:color .18s ease,transform .18s ease;
}
.footer-link__num{
  flex:0 0 auto;min-width:20px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--gold-line);
  transition:color .18s ease;
}
.footer-link:hover{color:var(--paper);transform:translateX(3px)}
.footer-link:hover .footer-link__num{color:var(--gold-hi)}
.footer-meta{display:grid;gap:13px}
.footer-meta__item{display:grid;gap:5px;min-width:0}
.footer-meta__key{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}
.footer-meta__value{font-size:14px;color:var(--paper);line-height:1.7}
.footer-meta__value--mono{font-family:var(--font-mono);letter-spacing:.04em;color:var(--gold-hi)}
.copy-chip{
  display:inline-flex;align-items:center;gap:8px;max-width:100%;
  padding:6px 10px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(21,26,36,.78);color:var(--paper);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;text-align:left;
  transition:border-color .2s ease,background-color .2s ease;
}
.copy-chip__value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copy-chip__tag{
  flex:0 0 auto;padding-left:8px;border-left:1px solid var(--line);
  font-family:var(--font-sans);font-size:10.5px;font-weight:700;letter-spacing:.1em;color:var(--sand);
}
.copy-chip:hover{border-color:var(--gold);background:rgba(201,162,39,.10)}
.copy-chip[data-copied="true"]{border-color:var(--ok)}
.copy-chip[data-copied="true"] .copy-chip__tag{color:var(--ok)}
.footer-note{
  margin-top:14px;padding-left:11px;border-left:2px solid var(--wine);
  font-size:12.5px;line-height:1.75;color:var(--muted);
}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;margin-top:clamp(26px,4vw,44px);padding-top:18px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;color:var(--muted);
}
.footer-base__mono{font-family:var(--font-mono);letter-spacing:.06em;color:var(--gold)}

/* ---------- 08 网格与长卷骨架 ---------- */
.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--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.rail-layout{
  display:grid;grid-template-columns:200px minmax(0,1fr);
  gap:clamp(20px,3.4vw,48px);align-items:start;
}
.content-col{min-width:0}
.aside-col{display:grid;gap:16px;align-content:start;min-width:0}
.section{padding-block:clamp(36px,6vw,72px);position:relative}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:12px 20px;padding-bottom:18px;margin-bottom:clamp(22px,3vw,34px);
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--gold);
}

/* 索引轴 */
.rail{position:sticky;top:var(--rail-top)}
.rail__title{
  margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);
}
.rail__list{display:grid;gap:2px}
.rail__link{
  display:flex;align-items:baseline;gap:10px;
  padding:8px 10px;border-left:2px solid var(--line-soft);
  font-size:13.5px;color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.rail__num{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--gold-line)}
.rail__link:hover{color:var(--paper);border-left-color:var(--gold)}
.rail__link[data-active="true"],
.rail__link[aria-current="true"]{
  color:var(--gold-hi);border-left-color:var(--gold);
  background:linear-gradient(90deg,rgba(201,162,39,.14),transparent);
}
.rail__link[data-active="true"] .rail__num,
.rail__link[aria-current="true"] .rail__num{color:var(--gold-hi)}

/* 章节 */
.chapter{position:relative;padding-block:clamp(28px,5vw,64px)}
.chapter__num{
  display:block;font-family:var(--font-mono);font-weight:700;
  font-size:clamp(44px,7.5vw,92px);line-height:.9;letter-spacing:-.02em;
  background:linear-gradient(160deg,#F2D98C,#C9A227 44%,#6E5518);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.chapter__label{
  display:block;margin-top:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--muted);
}
.chapter__lead{max-width:60ch;margin-top:14px;font-size:16.5px;color:#D6CEBF}

/* 色带 */
.band{height:6px;width:100%;border-radius:0}
.band--gold{background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0))}
.band--violet{background:linear-gradient(90deg,var(--violet),rgba(75,58,122,0))}
.band--teal{background:linear-gradient(90deg,var(--teal),rgba(31,74,68,0))}
.band--wine{background:linear-gradient(90deg,var(--wine),rgba(107,37,64,0))}

/* ---------- 09 卡片与标签 ---------- */
.card{
  position:relative;
  padding:clamp(18px,2.2vw,24px);
  border:1px solid var(--line);border-radius:var(--r);
  background:var(--card-bg);
  box-shadow:inset 0 1px 0 rgba(242,217,140,.06), 0 14px 34px -30px rgba(0,0,0,.9);
}
.card--link{display:block;transition:transform .18s ease,border-color .2s ease,box-shadow .2s ease}
.card--link:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:0 20px 44px -28px rgba(201,162,39,.55)}
.card__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 14px;margin-bottom:10px}
.card__title{font-size:20px;font-weight:800;letter-spacing:-.005em}
.card__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.card__body{font-size:15px;color:#D6CEBF}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid var(--gold-line);border-radius:2px;
  background:rgba(201,162,39,.07);color:var(--gold-hi);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
}
.tag--sand{color:var(--sand);border-color:rgba(201,123,63,.6);background:rgba(201,123,63,.09)}
.tag--violet{color:#B9A7E8;border-color:rgba(75,58,122,.9);background:rgba(75,58,122,.24)}
.tag--teal{color:#8FD3C4;border-color:rgba(31,74,68,.95);background:rgba(31,74,68,.32)}
.tag--wine{color:#E8A2BD;border-color:rgba(107,37,64,.95);background:rgba(107,37,64,.3)}
.tag--ok{color:#9BD9BC;border-color:rgba(63,143,110,.85);background:rgba(63,143,110,.18)}
.stat{display:grid;gap:4px;padding:16px 18px;border:1px solid var(--line-soft);border-radius:var(--r);background:rgba(14,17,24,.7)}
.stat__num{font-family:var(--font-mono);font-size:28px;font-weight:700;letter-spacing:-.01em;color:var(--gold-hi)}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- 10 标注条 ---------- */
.note{
  padding:14px 16px 14px 18px;
  border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:0 var(--r) var(--r) 0;
  background:rgba(21,26,36,.78);
  font-size:14.5px;line-height:1.85;
}
.note--gold{border-left-color:var(--gold);background:rgba(201,162,39,.07)}
.note--wine{border-left-color:var(--wine);background:rgba(107,37,64,.16)}
.note--teal{border-left-color:var(--teal);background:rgba(31,74,68,.22)}
.note--violet{border-left-color:var(--violet);background:rgba(75,58,122,.18)}

/* ---------- 11 表格 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:rgba(14,17,24,.76)}
.data-table{min-width:520px;font-size:14.5px}
.data-table caption{
  padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--gold);text-transform:uppercase;
}
.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
.data-table thead th{
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);background:rgba(8,9,13,.6);
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:rgba(201,162,39,.06)}
.data-table td .mono,.data-table td code{font-family:var(--font-mono);font-size:13.5px;color:var(--gold-hi)}

/* ---------- 12 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:14px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);
}
.crumbs a:hover{color:var(--gold-hi)}
.crumbs__sep{color:var(--gold-line)}

/* ---------- 13 正文容器 ---------- */
.prose{max-width:68ch;font-size:16.5px;line-height:1.9;color:#DDD5C6}
.prose p + p{margin-top:1.2em}
.prose h2{margin-top:1.8em;margin-bottom:.6em}
.prose h3{margin-top:1.5em;margin-bottom:.5em}
.prose ul,.prose ol{margin-top:.8em;padding-left:0;display:grid;gap:.5em}
.prose li{position:relative;padding-left:1.5em}
.prose li::before{content:"";position:absolute;left:.35em;top:.82em;width:6px;height:1px;background:var(--gold)}
.prose ol{counter-reset:prose}
.prose ol li{counter-increment:prose}
.prose ol li::before{
  content:counter(prose,decimal-leading-zero);
  top:auto;width:auto;height:auto;background:none;
  font-family:var(--font-mono);font-size:11px;color:var(--gold);left:0;top:.35em;
}
.prose a{color:var(--gold-hi);border-bottom:1px solid var(--gold-line)}
.prose a:hover{border-bottom-color:var(--gold-hi)}

/* ---------- 14 图片容器与占位 ---------- */
.figure{margin:0}
.figure__frame{
  position:relative;display:block;
  aspect-ratio:16 / 9;
  overflow:hidden;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(158deg,#151A24,#0B0E14);
}
.figure__frame--wide{aspect-ratio:21 / 9}
.figure__frame--tall{aspect-ratio:4 / 5}
.figure__frame img{width:100%;height:100%;object-fit:cover}
.figure__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(201,162,39,.06),transparent 42%);
}
.figure__cap{
  margin-top:10px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.06em;line-height:1.7;color:var(--muted);
}
.plate{
  display:grid;place-items:center;min-height:180px;padding:26px;text-align:center;
  border:1px dashed rgba(110,85,24,.55);border-radius:var(--r);
  background:repeating-linear-gradient(135deg,rgba(21,26,36,.7) 0 12px,rgba(11,14,20,.7) 12px 24px);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}

/* ---------- 15 滚动显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.22,.61,.36,1)}
[data-reveal][data-visible="true"]{opacity:1;transform:none}

/* ---------- 16 提示 ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;z-index:200;
  transform:translate(-50%,14px);
  max-width:min(88vw,420px);
  padding:10px 18px;border:1px solid var(--sand);border-radius:999px;
  background:rgba(8,9,13,.96);color:var(--sand);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;
  opacity:0;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
}
.toast[data-show="true"]{opacity:1;transform:translate(-50%,0)}

/* ---------- 17 响应式：平板 ---------- */
@media (max-width:1120px){
  .nav{
    position:absolute;left:clamp(12px,3vw,24px);right:clamp(12px,3vw,24px);top:100%;
    display:block;margin-top:10px;padding:14px;
    border:1px solid var(--gold-line);border-radius:12px;
    background:linear-gradient(180deg,#12161F,#0B0E14);
    box-shadow:0 34px 70px -34px rgba(0,0,0,.98), inset 0 1px 0 rgba(242,217,140,.08);
    max-height:calc(100vh - 140px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav[data-open="true"]{opacity:1;visibility:visible;transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:0;padding:0;border:0;background:none}
  .nav__item{border-bottom:1px solid var(--line-soft)}
  .nav__item:last-child{border-bottom:0}
  .nav__link{
    justify-content:flex-start;gap:12px;
    padding:13px 6px;border-radius:2px;font-size:16px;
  }
  .nav__link::before{font-size:11px;min-width:20px}
  .nav__foot{display:grid;gap:8px;margin-top:14px}
  .nav-toggle{display:inline-flex}
  .header-only{display:none}
  .site-header__inner{padding-right:10px}
  .rail-layout{grid-template-columns:1fr}
  .rail{position:static}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1080px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* ---------- 18 响应式：手机 ---------- */
@media (max-width:720px){
  body{font-size:16px;line-height:1.85}
  .status-strip__inner{gap:8px;font-size:10px;letter-spacing:.08em}
  .status-strip__mono:last-child{display:none}
  .site-header__inner{gap:10px;padding-left:12px}
  .brand__meta{display:none}
  .brand--footer .brand__meta{display:block}
  .grid--2,.grid--3,.grid--auto{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-top{align-items:flex-start;flex-direction:column}
  .data-table{min-width:460px}
}
/* ---------- 19 降低动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}