/* ============================================================
   365在线 · 共享样式 /assets/site.css
   深夜值班室信号系统：轨道 + 状态条 + 双闸门 + 悬浮书签
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --paper:#F2F5F7;
  --paper-2:#E4EAF0;
  --line:#C7D2DB;
  --night:#0F2137;
  --night-2:#1B3A5C;
  --night-3:#0A1727;
  --sig:#FF6A1A;
  --sig-deep:#B8430A;
  --sig-soft:#FFC79E;
  --gold:#C8A15A;
  --ok:#1F7A6B;
  --alert:#A32C2C;
  --ink:#16222E;
  --ink-soft:#4A5C6B;
  --rail-w:96px;
  --status-h:44px;
  --bar-h:56px;
  --content-max:1180px;
  --r-sm:2px;
  --r-md:4px;
  --shadow-1:0 1px 0 rgba(15,33,55,.05), 0 10px 26px -20px rgba(15,33,55,.55);
  --shadow-2:0 20px 44px -26px rgba(15,33,55,.6);
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular","DejaVu Sans Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;min-height:100%;
  font-family:var(--font-body);
  font-size:17px;line-height:1.85;color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(15,33,55,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(15,33,55,.05) 1px,transparent 1px);
  background-size:56px 56px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--sig);outline-offset:2px;border-radius:2px}
::selection{background:rgba(255,106,26,.28)}
.mono{font-family:var(--font-mono);letter-spacing:.04em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 3. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 10px);z-index:120;
  transform:translateY(-180%);
  background:var(--sig);color:var(--night);font-weight:700;font-size:14px;
  padding:10px 18px;border-radius:var(--r-sm);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:none}

/* ---------- 4. 主体偏移 ---------- */
main,#main-content{
  padding-top:var(--status-h);
  padding-left:var(--rail-w);
  min-height:60vh;
}

/* ---------- 5. 品牌轨道 ---------- */
.site-header{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:80;
}
.rail{
  position:absolute;inset:0;
  display:flex;flex-direction:column;gap:10px;
  padding:18px 10px 16px;
  background:linear-gradient(180deg,#132844 0%, var(--night) 44%, var(--night-3) 100%);
  color:#DCE5EE;
  border-right:1px solid rgba(200,161,90,.28);
  overflow:hidden;
}
.rail::after{
  content:"";position:absolute;top:0;right:-1px;width:1px;height:100%;
  background:linear-gradient(180deg,var(--gold),rgba(200,161,90,0) 62%);
  opacity:.55;pointer-events:none;
}
.rail__top{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding-bottom:12px;border-bottom:1px dashed rgba(199,210,219,.22);
}
.rail__brand{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.rail__mark{
  font-family:var(--font-mono);font-weight:700;font-size:20px;letter-spacing:.08em;
  color:#fff;padding:6px 9px;border:1px solid var(--sig);border-radius:var(--r-sm);
  background:rgba(255,106,26,.14);
}
.rail__brandline{font-size:11px;line-height:1.5;letter-spacing:.05em;color:#9FB2C4}
.rail__toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 10px;border:1px solid rgba(199,210,219,.35);border-radius:var(--r-sm);
  color:#DCE5EE;font-size:12px;letter-spacing:.08em;
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.rail__toggle-bars{
  position:relative;display:block;width:16px;height:10px;
  border-top:2px solid currentColor;border-bottom:2px solid currentColor;
}
.rail__toggle-bars::after{
  content:"";position:absolute;left:0;right:0;top:50%;height:2px;
  background:currentColor;transform:translateY(-50%);
  transition:opacity .2s var(--ease);
}
.site-header[data-open] .rail__toggle{border-color:var(--sig);background:rgba(255,106,26,.18);color:#fff}
.site-header[data-open] .rail__toggle-bars::after{opacity:0}

.rail__nav{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;padding:2px 0}
.rail__list{display:flex;flex-direction:column;gap:2px}
.rail__item{min-width:0}
.rail__link{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:9px 4px;border-radius:var(--r-sm);color:#C4D2E0;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.rail__idx{font-size:10px;letter-spacing:.12em;color:#7B8FA4}
.rail__label{font-size:12.5px;letter-spacing:.05em;line-height:1.25;text-align:center}
.rail__link:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.rail__link[aria-current="page"]{background:rgba(255,106,26,.16);color:#fff}
.rail__link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--sig);border-radius:2px;
}
.rail__link[aria-current="page"] .rail__idx{color:var(--sig-soft)}

.rail__foot{
  margin-top:auto;display:flex;flex-direction:column;gap:8px;
  padding-top:12px;border-top:1px dashed rgba(199,210,219,.22);
}
.rail__meta{font-size:12px;letter-spacing:.1em;color:var(--sig-soft)}
.rail__note{font-size:10.5px;line-height:1.5;color:#8496A8}
.rail__cta{
  display:block;text-align:center;padding:9px 6px;border-radius:var(--r-sm);
  background:var(--sig);color:var(--night);font-weight:700;font-size:12.5px;letter-spacing:.04em;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.rail__cta:hover{background:var(--sig-soft);transform:translateY(-2px)}
.rail__bookmark{
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 6px;border:1px solid rgba(255,106,26,.5);border-radius:var(--r-sm);
  color:#FFD9C0;font-size:12px;letter-spacing:.04em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.rail__bookmark:hover{background:rgba(255,106,26,.18);border-color:var(--sig);color:#fff}
.rail__count{
  min-width:18px;padding:2px 4px;border-radius:999px;
  background:var(--gold);color:var(--night);font-size:11px;text-align:center;
}

/* ---------- 6. 状态栏信息条 ---------- */
.status-strip{
  position:fixed;top:0;left:var(--rail-w);right:0;height:var(--status-h);z-index:70;
  display:flex;align-items:center;gap:16px;
  padding:0 16px;
  background:rgba(242,245,247,.86);
  -webkit-backdrop-filter:blur(10px) saturate(1.2);
  backdrop-filter:blur(10px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.status-strip__scan{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.status-strip__scan::after{
  content:"";position:absolute;top:0;bottom:0;left:-25%;width:22%;
  background:linear-gradient(90deg,rgba(255,106,26,0),rgba(255,106,26,.16),rgba(255,106,26,0));
  animation:status-scan 8s linear infinite;
}
@keyframes status-scan{
  0%{left:-25%;opacity:0}
  12%{opacity:1}
  68%{left:100%;opacity:0}
  100%{left:100%;opacity:0}
}
.status-strip__items{
  position:relative;display:flex;align-items:center;gap:18px;
  flex:1 1 auto;min-width:0;overflow:hidden;
}
.status-strip__item{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--ink-soft);
}
.status-strip__toggle{
  position:relative;flex:none;
  font-size:12px;letter-spacing:.08em;color:var(--night);
  padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.status-strip__toggle:hover{border-color:var(--sig);color:var(--sig-deep)}
.status-strip__toggle::after{content:" ▾";color:var(--sig-deep)}
.status-strip__panel{
  position:absolute;top:100%;left:0;right:0;
  padding:18px 20px 20px;
  background:var(--night);color:#D8E2EC;border-bottom:1px solid var(--night-2);
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.status-strip:hover .status-strip__panel,
.status-strip:focus-within .status-strip__panel,
.status-strip[data-open] .status-strip__panel{opacity:1;visibility:visible;transform:none}
.status-strip__panel-title{font-size:11.5px;letter-spacing:.16em;color:var(--gold);margin-bottom:10px}
.status-strip__list{display:grid;gap:6px;font-size:15px;line-height:1.7;max-width:60em}
.status-strip__panel-link{
  display:inline-block;margin-top:12px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.08em;color:var(--sig-soft);border-bottom:1px solid rgba(255,199,158,.5);
}
.status-strip__panel-link:hover{color:#fff;border-color:var(--sig)}

/* ---------- 7. 悬浮书签抽屉 ---------- */
.bookmark-drawer{
  position:fixed;right:0;top:calc(var(--status-h) + 96px);z-index:75;
  display:flex;align-items:flex-start;
}
.bookmark-drawer__tab{
  writing-mode:vertical-rl;
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 8px;
  background:var(--night);color:#E4EAF0;
  border:1px solid rgba(200,161,90,.4);border-right:0;
  border-radius:var(--r-md) 0 0 var(--r-md);
  font-size:12.5px;letter-spacing:.16em;
  box-shadow:var(--shadow-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.bookmark-drawer__tab:hover{background:var(--night-2);color:#fff}
.bookmark-drawer__tab-count{
  writing-mode:horizontal-tb;
  padding:2px 5px;border-radius:999px;background:var(--gold);color:var(--night);font-size:11px;
}
.bookmark-drawer__panel{
  position:absolute;top:0;right:100%;width:240px;max-height:64vh;overflow-y:auto;
  padding:16px;
  background:var(--night-2);color:#E6EDF3;
  border:1px solid rgba(200,161,90,.35);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateX(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.bookmark-drawer[data-open] .bookmark-drawer__panel{opacity:1;visibility:visible;transform:none}
.bookmark-drawer__head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.bookmark-drawer__title{font-size:14px;font-weight:700;letter-spacing:.04em}
.bookmark-drawer__close{font-family:var(--font-mono);font-size:11px;color:var(--sig-soft)}
.bookmark-drawer__close:hover{color:#fff}
.bookmark-drawer__hint{margin-top:8px;font-size:12.5px;line-height:1.7;color:#9FB3C6}
.bookmark-drawer__list{margin-top:12px;display:grid;gap:6px}
.bookmark-drawer__item{min-width:0}
.bookmark-drawer__link{
  display:block;padding:8px 10px;border-radius:var(--r-sm);
  background:rgba(242,245,247,.06);font-size:13.5px;line-height:1.6;
  border-left:2px solid var(--gold);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.bookmark-drawer__link:hover{background:rgba(255,106,26,.2);color:#fff}
.bookmark-drawer__empty{margin-top:12px;font-size:12.5px;line-height:1.7;color:#8FA3B6}
.bookmark-drawer__empty[hidden]{display:none}

/* ---------- 8. 页脚 ---------- */
.site-footer{
  position:relative;
  padding-left:var(--rail-w);
  background:var(--night);color:#C7D5E2;
  border-top:1px solid var(--night-2);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:var(--rail-w);right:0;height:1px;
  background:linear-gradient(90deg,var(--gold),rgba(200,161,90,0) 70%);
  opacity:.6;
}
.footer__inner{
  max-width:var(--content-max);margin-inline:auto;
  padding:clamp(40px,6vw,64px) clamp(20px,4vw,56px) 28px;
}
.footer__grid{
  display:grid;grid-template-columns:1.5fr repeat(4,minmax(0,1fr));
  gap:36px 28px;padding-bottom:32px;
  border-bottom:1px dashed rgba(199,210,219,.22);
}
.footer__brand{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.footer__brandmark{
  font-size:17px;font-weight:700;letter-spacing:.1em;
  padding:5px 11px;border-radius:var(--r-sm);
  background:var(--sig);color:var(--night);
}
.footer__brandname{font-size:16px;font-weight:700;color:#EAF1F7;letter-spacing:.02em}
.footer__tagline{font-size:13.5px;line-height:1.75;color:#9FB3C6;max-width:26em}
.footer__update{font-size:11.5px;letter-spacing:.08em;color:var(--sig-soft)}
.footer__col-title{font-size:11.5px;letter-spacing:.18em;color:var(--gold);margin-bottom:12px}
.footer__list{display:grid;gap:2px}
.footer__link{
  display:inline-block;padding:4px 0;font-size:14.5px;color:#C2D0DD;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer__link:hover{color:var(--sig-soft);transform:translateX(3px)}
.footer__link[aria-current="page"]{color:#fff;border-bottom:1px solid var(--sig)}
.footer__contact{display:grid;gap:8px;padding:24px 0 10px}
.footer__contact-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.footer__contact-k{font-size:11px;letter-spacing:.14em;color:var(--gold);min-width:66px}
.footer__contact-v{font-size:13.5px;color:#DCE5EE}
.footer__service{
  margin-top:14px;max-width:52em;font-size:13.5px;line-height:1.8;color:#A3B6C8;
}
.footer__legal{
  margin-top:14px;font-size:11.5px;letter-spacing:.06em;color:#8296A9;
}
.footer__feedback{min-height:1.4em;margin-top:6px;font-size:12px;color:var(--sig-soft)}
.copy-btn{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  padding:5px 10px;border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--ink-soft);background:#fff;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.copy-btn:hover{border-color:var(--sig);color:var(--sig-deep);background:rgba(255,106,26,.08)}
.copy-btn--dark{
  background:transparent;color:#CBD8E4;border-color:rgba(199,210,219,.35);
}
.copy-btn--dark:hover{border-color:var(--sig);color:var(--sig-soft);background:rgba(255,106,26,.16)}

/* ---------- 9. 通用布局组件 ---------- */
.container{width:100%;max-width:var(--content-max);margin-inline:auto;padding-inline:clamp(20px,4vw,56px)}
.section{padding-block:clamp(44px,6vw,88px)}
.section--narrow{padding-block:clamp(26px,3.4vw,46px)}
.section--wide{background:var(--paper-2);border-block:1px solid var(--line)}
.section--night{background:var(--night);color:#D9E3EC;border-block:1px solid var(--night-2)}
.section__label{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;color:var(--sig-deep);
}
.section__label::before{content:"";width:26px;height:1px;background:var(--gold)}
.section__title{font-size:clamp(26px,3.4vw,40px);line-height:1.18;letter-spacing:-.02em;font-weight:800}
.section__lede{margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--ink-soft);max-width:42em}
.section--night .section__lede{color:#A9BCCD}
.section--night .section__label{color:var(--sig-soft)}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:1.35fr 1fr}

/* ---------- 10. 按钮 / 标签 / 状态点 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;border-radius:var(--r-sm);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn--signal{background:var(--sig);color:var(--night)}
.btn--signal:hover{background:var(--sig-soft);transform:translateY(-2px)}
.btn--night{background:var(--night);color:#E8EFF5}
.btn--night:hover{background:var(--night-2);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--sig);color:var(--sig-deep)}
.btn--sm{padding:8px 14px;font-size:13.5px}
.btn--block{width:100%}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  padding:4px 10px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink-soft);background:#fff;
}
.chip--ok{border-color:rgba(31,122,107,.4);color:var(--ok)}
.chip--alert{border-color:rgba(163,44,44,.4);color:var(--alert)}
.chip--gold{border-color:rgba(200,161,90,.6);color:#8A6A25}

.status-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;flex:none;
  background:var(--line);box-shadow:0 0 0 3px rgba(15,33,55,.06);
}
.status-dot--ok{background:var(--ok);box-shadow:0 0 0 3px rgba(31,122,107,.16)}
.status-dot--alert{background:var(--alert);box-shadow:0 0 0 3px rgba(163,44,44,.14)}
.status-dot--gold{background:var(--gold);box-shadow:0 0 0 3px rgba(200,161,90,.18)}

/* ---------- 11. 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:clamp(20px,2.4vw,28px);box-shadow:var(--shadow-1);
}
.card--glass{
  background:rgba(242,245,247,.62);border-color:rgba(199,210,219,.75);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.card--night{background:var(--night-2);border-color:var(--night-2);color:#DCE5EE}
.card__title{font-size:18px;font-weight:700;letter-spacing:-.01em}
.card__meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--sig-deep)}
.card__text{margin-top:8px;font-size:15px;line-height:1.8;color:var(--ink-soft)}
.card--night .card__text{color:#A9BCCD}

/* ---------- 12. 双闸门 ---------- */
.dual-gate{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(16px,2.4vw,32px);align-items:start}
.dual-gate__card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:clamp(22px,3vw,34px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),opacity .24s var(--ease);
}
.dual-gate__card--lead{border-top:3px solid var(--sig)}
.dual-gate__card--trail{margin-top:36px;background:var(--night-2);border-color:var(--night-2);color:#DCE5EE}
.dual-gate__tag{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--sig-deep)}
.dual-gate__card--trail .dual-gate__tag{color:var(--gold)}
.dual-gate__title{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.02em;line-height:1.3}
.dual-gate__text{font-size:15px;line-height:1.8;color:var(--ink-soft)}
.dual-gate__card--trail .dual-gate__text{color:#A9BCCD}
.dual-gate:hover .dual-gate__card{opacity:.75}
.dual-gate:hover .dual-gate__card--trail{transform:translateY(8px)}
.dual-gate .dual-gate__card:hover{opacity:1;transform:translateY(-6px);box-shadow:var(--shadow-2)}

/* ---------- 13. 错位卡片 ---------- */
.staggered-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,26px);align-items:start}
.staggered-cards__item{position:relative;padding-top:34px}
.staggered-cards__item:nth-child(2){margin-top:26px}
.staggered-cards__item:nth-child(3){margin-top:52px}
.staggered-cards__item::before{
  content:attr(data-step);
  position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--gold);color:var(--night);
  font-family:var(--font-mono);font-size:11px;
}
.staggered-cards__item:hover{transform:translateY(-4px);transition:transform .24s var(--ease)}

/* ---------- 14. 索引式列表 ---------- */
.index-list{border-top:1px solid var(--line)}
.index-list__item{
  display:grid;grid-template-columns:88px 1fr;gap:18px;align-items:start;
  padding:18px 14px;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.index-list__item:hover{background:var(--night-2);color:#E6EDF3}
.index-list__no{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--sig-deep);padding-top:4px}
.index-list__item:hover .index-list__no{color:var(--gold)}
.index-list__title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.index-list__desc{margin-top:4px;font-size:14.5px;line-height:1.75;color:var(--ink-soft)}
.index-list__item:hover .index-list__desc{color:#A9BCCD}

/* ---------- 15. 图片占位容器 ---------- */
.media-figure{margin:0}
.media-figure__frame{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:
    radial-gradient(120% 90% at 82% 12%, rgba(255,106,26,.16), rgba(255,106,26,0) 58%),
    linear-gradient(160deg,#132844 0%,#0B1A2C 62%,#0A1727 100%);
}
.media-figure__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(226,236,245,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(226,236,245,.08) 1px,transparent 1px);
  background-size:36px 36px;
}
.media-figure__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media-figure__badge{
  position:absolute;left:12px;top:12px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  padding:3px 8px;border-radius:var(--r-sm);background:var(--gold);color:var(--night);
}
.media-figure__cap{margin-top:10px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink-soft)}
.media-figure--tall .media-figure__frame{aspect-ratio:4/5}
.media-figure--wide .media-figure__frame{aspect-ratio:21/9}

/* ---------- 16. 面包屑 / 正文 / 表格 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--ink-soft);
}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__sep{color:var(--line)}
.breadcrumb a:hover{color:var(--sig-deep)}
.breadcrumb [aria-current="page"]{color:var(--ink)}

.prose{max-width:44em}
.prose p{margin-bottom:1.1em;max-width:42em}
.prose h2{font-size:clamp(22px,2.6vw,30px);line-height:1.25;letter-spacing:-.02em;margin:1.6em 0 .6em}
.prose h3{font-size:19px;font-weight:700;margin:1.4em 0 .5em}
.prose ul{margin:0 0 1.1em}
.prose li{position:relative;padding-left:16px;margin-bottom:.5em}
.prose li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border:1px solid var(--gold);border-radius:50%;
}
.prose a{color:var(--sig-deep);border-bottom:1px solid rgba(184,67,10,.35)}
.prose a:hover{border-color:var(--sig)}

.data-table{font-size:14.5px;border:1px solid var(--line);background:#fff}
.data-table caption{
  text-align:left;padding:12px 14px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--ink-soft);
}
.data-table th,.data-table td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.data-table thead th{background:var(--paper-2);font-size:13px;letter-spacing:.06em}
.data-table tbody tr:nth-child(even){background:rgba(228,234,240,.45)}
.data-table tbody tr:hover{background:var(--night-2);color:#E6EDF3}

/* ---------- 17. 手风琴 / 前端筛选 ---------- */
.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__btn{
  display:flex;width:100%;align-items:flex-start;gap:14px;
  padding:18px 6px;text-align:left;font-size:16.5px;font-weight:700;
  transition:background .18s var(--ease);
}
.accordion__btn:hover{background:var(--paper-2)}
.accordion__btn::after{content:"＋";margin-left:auto;font-family:var(--font-mono);color:var(--sig-deep)}
.accordion__btn[aria-expanded="true"]::after{content:"－"}
.accordion__panel{padding:0 6px 18px;font-size:15px;line-height:1.85;color:var(--ink-soft)}
.accordion__panel[hidden]{display:none}

.tag-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag-filter__btn{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;
  background:#fff;color:var(--ink-soft);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag-filter__btn:hover{border-color:var(--sig);color:var(--sig-deep)}
.tag-filter__btn[aria-pressed="true"]{background:var(--night);border-color:var(--night);color:#fff}
[data-filter-item][hidden]{display:none}

/* ---------- 18. 显现动效 ---------- */
.js-on [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js-on [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 19. 平板 ---------- */
@media (max-width:1180px){
  .footer__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer__brand{grid-column:1 / -1}
}

/* ---------- 20. 移动端（≤900px） ---------- */
@media (max-width:900px){
  :root{--rail-w:0px}
  .skip-link{left:12px}
  main,#main-content{padding-left:0;padding-top:calc(var(--bar-h) + var(--status-h))}

  .site-header{width:100%;height:var(--bar-h);bottom:auto;left:0;right:0}
  .rail{
    flex-direction:row;align-items:center;gap:12px;
    padding:0 14px;border-right:0;border-bottom:1px solid rgba(200,161,90,.3);
    overflow:visible;
  }
  .rail::after{display:none}
  .rail__top{
    flex:1 1 auto;min-width:0;flex-direction:row;align-items:center;gap:10px;
    padding-bottom:0;border-bottom:0;
  }
  .rail__brand{flex-direction:row;align-items:center;gap:8px;text-align:left;min-width:0}
  .rail__mark{font-size:14px;padding:4px 7px}
  .rail__brandline{
    font-size:11px;color:#9FB2C4;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .rail__toggle{display:inline-flex;flex:none}
  .rail__nav{
    position:absolute;top:var(--bar-h);left:0;right:0;
    display:none;max-height:calc(100vh - var(--bar-h));overflow-y:auto;
    padding:10px 12px 16px;
    background:var(--night);border-bottom:1px solid rgba(200,161,90,.35);
    box-shadow:var(--shadow-2);
  }
  .site-header[data-open] .rail__nav{display:block}
  .rail__list{gap:4px}
  .rail__link{flex-direction:row;align-items:center;gap:12px;padding:12px}
  .rail__link[aria-current="page"]::before{top:6px;bottom:6px}
  .rail__label{font-size:15px;text-align:left}
  .rail__idx{font-size:11px}
  .rail__foot{display:none}

  .status-strip{left:0;top:var(--bar-h);gap:10px;padding:0 12px}
  .status-strip__items{gap:12px}
  .status-strip__item--opt{display:none}
  .status-strip__toggle{font-size:11px;padding:5px 10px}

  .bookmark-drawer{top:auto;bottom:18px}
  .bookmark-drawer__panel{max-height:56vh}

  .site-footer{padding-left:0}
  .site-footer::before{left:0}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--2,.grid--3,.grid--asym,
  .dual-gate,.staggered-cards{grid-template-columns:1fr}
  .dual-gate__card--trail{margin-top:0}
  .staggered-cards__item:nth-child(2),
  .staggered-cards__item:nth-child(3){margin-top:0}
}

/* ---------- 21. 小屏 ---------- */
@media (max-width:560px){
  body{font-size:16px}
  .footer__grid{grid-template-columns:1fr;gap:24px}
  .footer__contact-k{min-width:100%}
  .index-list__item{grid-template-columns:1fr;gap:6px}
  .status-strip__item{font-size:11px}
}

/* ---------- 22. 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;
  }
  .status-strip__scan{display:none}
  .js-on [data-reveal]{opacity:1;transform:none}
}