/* ============================================================
   乐发平台 · 共享层 /assets/site.css
   诊断室画册：深墨蓝导轨 + 暖白纸面 + 橙红能量点
   ============================================================ */

:root{
  --lf-brand:#C9331A;
  --lf-brand-lift:#E8412B;
  --lf-spark:#FF7A45;
  --lf-ink:#0F2438;
  --lf-ink-2:#1C3A56;
  --lf-paper:#FAF6F0;
  --lf-line:#E3DACD;
  --lf-muted:#6E655B;
  --lf-text:#16181C;
  --lf-signal:#0B8F82;
  --lf-warn:#F2B233;
  --lf-rail-w:272px;
  --lf-topbar-h:64px;
  --lf-gutter:clamp(20px,4.2vw,56px);
  --lf-rhythm:clamp(56px,7.5vw,108px);
  --lf-radius:14px;
  --lf-font-display:"Alibaba PuHuiTi 3.0","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --lf-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --lf-font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--lf-paper);
  color:var(--lf-text);
  font-family:var(--lf-font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img,svg,canvas{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit}
h1,h2,h3,h4,h5{
  font-family:var(--lf-font-display);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--lf-ink);
  margin:0;
}
h1{font-size:clamp(2rem,5vw,4.2rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.6rem)}
h3{font-size:clamp(1.2rem,1.9vw,1.55rem);line-height:1.2}
p{margin:0 0 1em;max-width:36em}
p:last-child{margin-bottom:0}
strong{font-weight:700}
hr{border:0}
::selection{background:rgba(201,51,26,.18);color:var(--lf-ink)}
:focus-visible{outline:2px solid var(--lf-spark);outline-offset:2px;border-radius:4px}

/* ---------- 通用工具 ---------- */
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.mono{font-family:var(--lf-font-mono);font-size:.94em;letter-spacing:.02em}
.divider{height:1px;background:var(--lf-line);margin-block:var(--lf-rhythm)}
.stack{display:grid;gap:var(--lf-gap,16px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

.container{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:var(--lf-gutter);
}
.container--wide{max-width:1340px}
.container--narrow{max-width:760px}

.grid{display:grid;gap:24px}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
@media (max-width:899px){
  .span-5,.span-6,.span-7,.span-8{grid-column:span 12}
}

.section{padding-block:var(--lf-rhythm);position:relative}
.section__head{display:grid;gap:12px;margin-bottom:clamp(24px,3.4vw,44px);max-width:46em}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--lf-font-mono);
  font-size:12px;line-height:1.4;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--lf-brand);margin:0 0 6px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lf-spark);flex:none}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  transform:translateY(-180%);
  background:var(--lf-ink);color:#fff;
  padding:.7em 1.15em;border-radius:999px;
  font-family:var(--lf-font-mono);font-size:12px;letter-spacing:.14em;
  text-decoration:none;
  transition:transform .18s ease;
}
.skip-link:focus-visible{transform:translateY(0);outline:2px solid var(--lf-spark);outline-offset:3px}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;inset:0 0 auto 0;height:3px;z-index:140;
  background:rgba(15,36,56,.14);
  pointer-events:none;
}
.read-progress__bar{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lf-brand) 0%,var(--lf-spark) 100%);
  will-change:transform;
}

/* ---------- 按钮 ---------- */
.btn{
  --btn-bg:transparent;--btn-fg:#fff;--btn-bd:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.8em 1.15em;border-radius:10px;
  border:1px solid var(--btn-bd);
  background:var(--btn-bg);color:var(--btn-fg);
  font-family:var(--lf-font-body);font-size:14px;font-weight:500;
  line-height:1.2;text-decoration:none;cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .14s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--lf-spark);outline-offset:3px}
.btn--primary{--btn-bg:var(--lf-brand);--btn-fg:#fff;--btn-bd:var(--lf-brand)}
.btn--primary:hover{--btn-bg:var(--lf-brand-lift);--btn-bd:var(--lf-brand-lift)}
.btn--ghost{--btn-bg:transparent;--btn-fg:#fff;--btn-bd:rgba(255,255,255,.34)}
.btn--ghost:hover{--btn-bg:rgba(255,255,255,.1);--btn-bd:rgba(255,255,255,.62)}
.btn--quiet{--btn-bg:transparent;--btn-fg:var(--lf-ink);--btn-bd:var(--lf-line)}
.btn--quiet:hover{--btn-bg:rgba(15,36,56,.05);--btn-bd:#c9bda c}
.btn--block{width:100%}
.btn__arrow{font-family:var(--lf-font-mono);font-size:12px;opacity:.72}

/* ============================================================
   头部：左侧竖向导轨（桌面）/ 顶部细条 + 抽屉（移动）
   ============================================================ */
.site-rail{
  position:fixed;top:3px;left:0;bottom:0;width:var(--lf-rail-w);
  z-index:120;
  display:flex;flex-direction:column;
  background:var(--lf-ink);
  color:#fff;
  border-right:1px solid rgba(255,255,255,.08);
  box-shadow:24px 0 60px -40px rgba(15,36,56,.7);
}
.site-rail::after{
  content:"";position:absolute;top:0;right:0;width:5px;height:42%;
  background:linear-gradient(180deg,rgba(255,122,69,.85),rgba(255,122,69,0));
  opacity:.6;pointer-events:none;
}

.rail__topbar{
  display:flex;align-items:center;gap:12px;
  padding:24px 22px 16px;
  border-bottom:1px solid rgba(255,255,255,.1);
  flex:none;
}
.rail__brand{
  display:flex;align-items:center;gap:11px;
  min-width:0;flex:1 1 auto;
  text-decoration:none;color:#fff;
}
.rail__mark{
  width:13px;height:13px;flex:none;
  background:var(--lf-brand-lift);border-radius:3px;
  transform:rotate(45deg);
  box-shadow:0 0 0 4px rgba(232,65,43,.18);
}
.rail__brand-text{display:grid;gap:2px;min-width:0}
.rail__brand-cn{
  font-family:var(--lf-font-display);font-weight:900;
  font-size:19px;line-height:1.1;letter-spacing:.02em;color:#fff;
}
.rail__brand-en{
  font-family:var(--lf-font-mono);font-size:10px;line-height:1.4;
  letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.52);
}

.nav-toggle{
  display:none;
  align-items:center;gap:9px;
  margin-left:auto;padding:9px 13px;
  border-radius:9px;border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.07);color:#fff;
  font-family:var(--lf-font-mono);font-size:11px;letter-spacing:.14em;
  cursor:pointer;
  transition:background-color .16s ease,border-color .16s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.46)}
.nav-toggle:focus-visible{outline:2px solid var(--lf-spark);outline-offset:3px}
.nav-toggle__bars{display:grid;gap:3px;width:15px}
.nav-toggle__bars span{
  display:block;height:2px;border-radius:2px;background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle__label{white-space:nowrap}
.site-rail[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-rail[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-rail[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.rail__body{
  flex:1 1 auto;min-height:0;
  display:flex;flex-direction:column;gap:16px;
  padding:18px 22px 22px;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.22) transparent;
}
.rail__body::-webkit-scrollbar{width:6px}
.rail__body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px}

.site-nav{flex:0 0 auto}
.site-nav__list{display:grid;gap:2px}
.site-nav__item{min-width:0}
.site-nav__link{
  position:relative;
  display:flex;align-items:baseline;gap:10px;
  padding:11px 12px 11px 14px;
  border-radius:8px;
  color:rgba(255,255,255,.74);
  text-decoration:none;font-size:15px;font-weight:500;line-height:1.45;
  transition:color .16s ease,background-color .16s ease;
}
.site-nav__num{
  font-family:var(--lf-font-mono);font-size:10.5px;letter-spacing:.12em;
  color:rgba(255,255,255,.34);min-width:1.9em;flex:none;
}
.site-nav__text{min-width:0}
.site-nav__link:hover{color:#fff;background:rgba(255,255,255,.07)}
.site-nav__link:focus-visible{outline:2px solid var(--lf-spark);outline-offset:2px}
.site-nav__link[aria-current="page"]{
  color:#fff;
  background:rgba(201,51,26,.24);
}
.site-nav__link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:2px;background:var(--lf-spark);
}
.site-nav__link[aria-current="page"] .site-nav__num{color:var(--lf-spark)}

.rail__now{
  display:flex;align-items:center;gap:8px;
  margin:0;padding:9px 12px;
  border:1px dashed rgba(255,255,255,.18);border-radius:8px;
  font-family:var(--lf-font-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.6);
}
.rail__now-num{color:var(--lf-spark);font-weight:700;flex:none}
.rail__now-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.rail__actions{
  display:grid;gap:8px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.1);
}

.rail__foot{display:grid;gap:12px;margin-top:auto;padding-top:14px}
.rail__meta{
  margin:0;max-width:none;
  font-family:var(--lf-font-mono);font-size:10.5px;line-height:1.65;
  letter-spacing:.06em;color:rgba(255,255,255,.42);
}
.rail__top{
  justify-self:start;
  display:inline-flex;align-items:center;gap:7px;
  padding:0;border:0;background:none;
  color:rgba(255,255,255,.5);
  font-family:var(--lf-font-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;cursor:pointer;
  opacity:0;pointer-events:none;
  transition:opacity .2s ease,color .16s ease;
}
.rail__top[data-visible]{opacity:1;pointer-events:auto}
.rail__top:hover{color:var(--lf-spark)}
.rail__top:focus-visible{outline:2px solid var(--lf-spark);outline-offset:4px}

/* 桌面：内容整体右移，形成画册装订边 */
@media (min-width:1280px){
  body{padding-left:var(--lf-rail-w)}
}

/* 平板 / 手机：导轨收为顶部细条，导航变抽屉 */
@media (max-width:1279px){
  .site-rail{
    position:sticky;top:0;left:auto;right:auto;bottom:auto;
    width:100%;min-height:var(--lf-topbar-h);
    flex-direction:row;align-items:center;
    padding:10px var(--lf-gutter);
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.14);
    background:rgba(15,36,56,.96);
    -webkit-backdrop-filter:blur(14px) saturate(1.2);
    backdrop-filter:blur(14px) saturate(1.2);
    box-shadow:0 18px 40px -34px rgba(15,36,56,.9);
  }
  .site-rail::after{display:none}
  .rail__topbar{
    flex:1 1 auto;padding:0;border-bottom:0;gap:14px;
  }
  .rail__brand{flex:0 1 auto;padding-right:14px;border-right:1px solid rgba(255,255,255,.16)}
  .rail__brand-cn{font-size:16px}
  .rail__brand-en{font-size:9px;letter-spacing:.18em}
  .nav-toggle{display:inline-flex}
  .rail__body{
    position:fixed;top:var(--lf-topbar-h);left:0;right:0;bottom:0;
    z-index:118;
    display:flex;flex-direction:column;gap:18px;
    padding:22px var(--lf-gutter) 110px;
    background:var(--lf-ink);
    overflow-y:auto;
    opacity:0;visibility:hidden;pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .site-rail[data-open] .rail__body{
    opacity:1;visibility:visible;pointer-events:auto;transform:none;
  }
  .site-nav__list{gap:0}
  .site-nav__link{
    font-size:17px;padding:14px 14px;border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.09);
  }
  .site-nav__link[aria-current="page"]{background:rgba(201,51,26,.18)}
  .site-nav__link[aria-current="page"]::before{top:12px;bottom:12px}
  .rail__now{margin-top:4px}
  .rail__actions{padding-top:18px;gap:10px}
  .rail__foot{margin-top:0}
  .rail__top{opacity:1;pointer-events:auto}
}

@media (max-width:767px){
  body{padding-bottom:78px}
  .rail__brand-en{display:none}
  .rail__actions{
    position:fixed;left:0;right:0;bottom:0;z-index:130;
    grid-template-columns:1fr 1fr;gap:8px;
    padding:10px var(--lf-gutter);
    border-top:1px solid var(--lf-line);
    background:rgba(250,246,240,.95);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    box-shadow:0 -14px 34px -30px rgba(15,36,56,.7);
  }
  .rail__actions .btn{--btn-bg:var(--lf-brand);--btn-fg:#fff;--btn-bd:var(--lf-brand);font-size:13.5px;padding:.85em .6em}
  .rail__actions .btn--ghost{--btn-bg:#fff;--btn-fg:var(--lf-ink);--btn-bd:var(--lf-line)}
  .site-foot{padding-bottom:12px}
}

/* ============================================================
   页脚：深墨蓝索引板
   ============================================================ */
.site-foot{
  position:relative;
  margin-top:var(--lf-rhythm);
  padding:0 0 34px;
  background:var(--lf-ink);
  color:rgba(255,255,255,.78);
  overflow:hidden;
}
.site-foot::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--lf-brand) 0%,var(--lf-spark) 42%,rgba(255,122,69,0) 100%);
}
.site-foot::after{
  content:"";position:absolute;top:-70px;right:-90px;width:340px;height:340px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(201,51,26,.24),rgba(201,51,26,0) 68%);
}
.foot__inner{position:relative;z-index:1;padding-top:clamp(40px,5.4vw,72px)}
.foot__rule{
  position:relative;height:1px;background:rgba(255,255,255,.12);
  margin:0 0 clamp(28px,4vw,44px);
}
.foot__rule::before{
  content:"";position:absolute;left:0;top:-3px;width:72px;height:7px;
  background:var(--lf-brand);border-radius:2px;
}
.foot__top{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.45fr);
  gap:clamp(32px,5vw,72px);
  align-items:start;
}
.foot__brand{min-width:0}
.foot__index{
  margin:0 0 14px;max-width:none;
  font-family:var(--lf-font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--lf-spark);
}
.foot__wordmark{
  margin:0;max-width:none;
  font-family:var(--lf-font-display);font-weight:900;
  font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.04;
  letter-spacing:-.02em;color:#fff;
}
.foot__lede{
  margin:14px 0 0;max-width:18em;
  font-size:17px;line-height:1.7;color:rgba(255,255,255,.82);
}
.foot__contact{
  display:grid;gap:8px;
  margin-top:26px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
}
.foot__contact-row{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  margin:0;max-width:none;font-size:14.5px;line-height:1.6;
}
.foot__contact-key{
  flex:none;min-width:4.8em;
  font-family:var(--lf-font-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.44);
}
.foot__contact-val{color:rgba(255,255,255,.92);word-break:break-word}
.foot__contact-val--mono{font-family:var(--lf-font-mono);font-size:13.5px;letter-spacing:.02em}
.foot__note{
  margin:18px 0 0;max-width:32em;
  font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.46);
}
.foot__cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,2.6vw,34px);
}
.foot__col{min-width:0}
.foot__col-title{
  margin:0 0 14px;max-width:none;padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-family:var(--lf-font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--lf-spark);
}
.foot__links{display:grid;gap:10px}
.foot__link{
  display:inline-block;
  color:rgba(255,255,255,.8);text-decoration:none;
  font-size:14.5px;line-height:1.6;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.foot__link:hover{color:#fff;border-bottom-color:var(--lf-spark)}
.foot__link:focus-visible{outline:2px solid var(--lf-spark);outline-offset:3px;border-radius:3px}
.foot__bottom{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px 28px;
  margin-top:clamp(34px,4.6vw,60px);padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-family:var(--lf-font-mono);font-size:11.5px;letter-spacing:.06em;
  color:rgba(255,255,255,.46);
}
.foot__legal{margin:0;max-width:none}
.foot__stamp{margin:0;max-width:none}
.foot__year{color:var(--lf-spark);font-weight:700}

@media (min-width:900px){
  .foot__col:nth-child(2){margin-top:26px}
  .foot__col:nth-child(3){margin-top:52px}
}
@media (max-width:899px){
  .foot__top{grid-template-columns:minmax(0,1fr)}
  .foot__cols{gap:24px}
}
@media (max-width:599px){
  .foot__cols{grid-template-columns:minmax(0,1fr);gap:26px}
  .foot__bottom{flex-direction:column;align-items:flex-start}
}

/* ============================================================
   通用内容组件
   ============================================================ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:20px 0;
  font-family:var(--lf-font-mono);font-size:11.5px;letter-spacing:.08em;
  color:var(--lf-muted);
}
.breadcrumb__item{min-width:0}
.breadcrumb__item a{color:var(--lf-muted);text-decoration:none;transition:color .16s ease}
.breadcrumb__item a:hover{color:var(--lf-brand)}
.breadcrumb__item a:focus-visible{outline:2px solid var(--lf-spark);outline-offset:3px;border-radius:3px}
.breadcrumb__item[aria-current="page"]{color:var(--lf-ink)}
.breadcrumb__sep{color:var(--lf-line)}

.prose{max-width:66ch;font-size:17px;line-height:1.78}
.prose p{max-width:34em}
.prose h2{margin:1.7em 0 .6em}
.prose h3{margin:1.5em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.25em}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li{margin-bottom:.4em}
.prose a{color:var(--lf-brand);text-decoration:none;border-bottom:1px solid rgba(201,51,26,.35)}
.prose a:hover{border-bottom-color:var(--lf-brand)}
.prose blockquote{
  margin:1.4em 0;padding:14px 18px;
  border-left:3px solid var(--lf-spark);
  background:rgba(255,255,255,.7);
  border-radius:0 10px 10px 0;
  color:var(--lf-ink);
}
.prose blockquote p{max-width:none;margin:0}
.prose code,.prose .mono{font-family:var(--lf-font-mono);font-size:.92em;letter-spacing:.02em}

.card{
  position:relative;
  background:#fff;
  border:1px solid var(--lf-line);
  border-radius:var(--lf-radius);
  padding:clamp(18px,2.4vw,28px);
  box-shadow:0 22px 44px -42px rgba(15,36,56,.55);
}
.card--solid{
  background:var(--lf-ink-2);color:rgba(255,255,255,.82);
  border-color:transparent;
}
.card--glass{
  background:rgba(255,255,255,.6);
  border-color:rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(12px) saturate(1.15);
  backdrop-filter:blur(12px) saturate(1.15);
}
.card__title{
  margin:0 0 .5em;
  font-family:var(--lf-font-display);font-weight:900;
  font-size:1.22rem;line-height:1.25;letter-spacing:-.01em;
  color:var(--lf-ink);
}
.card--solid .card__title{color:#fff}
.card__meta{
  margin:0;
  font-family:var(--lf-font-mono);font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--lf-muted);
}
.card--solid .card__meta{color:rgba(255,255,255,.55)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  border:1px solid currentColor;
  font-family:var(--lf-font-mono);font-size:11px;line-height:1.6;
  letter-spacing:.08em;white-space:nowrap;
}
.tag--brand{color:var(--lf-brand)}
.tag--signal{color:var(--lf-signal)}
.tag--warn{color:#7f5300;background:rgba(242,178,51,.2);border-color:rgba(242,178,51,.55)}

.status-dot{
  display:inline-block;flex:none;
  width:8px;height:8px;border-radius:50%;
  background:var(--lf-signal);
  box-shadow:0 0 0 3px rgba(11,143,130,.16);
}
.status-dot--warn{background:var(--lf-warn);box-shadow:0 0 0 3px rgba(242,178,51,.22)}
.status-dot--brand{background:var(--lf-brand);box-shadow:0 0 0 3px rgba(201,51,26,.16)}

/* 图片容器基础规则（页面阶段放入屏幕截图 / 路径示意） */
.figure{margin:0;display:grid;gap:10px}
.figure__frame{
  position:relative;isolation:isolate;overflow:hidden;
  display:grid;place-items:center;
  aspect-ratio:16/10;
  border:1px solid var(--lf-line);
  border-radius:var(--lf-radius);
  background:linear-gradient(150deg,#fff 0%,var(--lf-paper) 62%,#f3ece2 100%);
}
.figure__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(15,36,56,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(15,36,56,.055) 1px,transparent 1px);
  background-size:32px 32px;
}
.figure__frame > img,
.figure__frame > picture,
.figure__frame > picture > img{
  width:100%;height:100%;object-fit:cover;
}
.figure__caption{
  font-family:var(--lf-font-mono);font-size:11.5px;line-height:1.6;
  letter-spacing:.08em;color:var(--lf-muted);
  margin:0;max-width:none;
}
.figure--wide .figure__frame{aspect-ratio:21/9}
.figure--tall .figure__frame{aspect-ratio:4/5}
@media (max-width:599px){
  .figure--wide .figure__frame{aspect-ratio:16/10}
  .figure--tall .figure__frame{aspect-ratio:1/1}
}

/* ---------- 显现（JS 加 .is-in） ---------- */
.js [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease;
}
.js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .js [data-reveal]{opacity:1!important;transform:none!important}
  .btn:hover{transform:none}
}