*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Noto Sans SC",system-ui,sans-serif;background:#fff;color:#1c1917;line-height:1.78;font-size:16px}
a{color:#7c3aed;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:1px solid #e7e5e4;position:sticky;top:0;z-index:300}
.header-inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#111;font-weight:600;font-size:.98rem}
.brand em{font-style:normal;color:#7c3aed;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none}
.site-nav a{color:#44403c;font-size:.92rem}
.site-nav a.active{color:#7c3aed;font-weight:600}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:#292524;margin:5px 0;border-radius:1px}

.ads-top-bar{background:#faf5ff;border-bottom:1px solid #ede9fe;padding:10px 0}
#applist .applist-title{font-size:.85rem;color:#78716c;margin-bottom:8px}
#ads{display:flex;flex-wrap:wrap;gap:12px}

.mirror-wrap{max-width:1180px;margin:0 auto;padding:0 20px 56px;display:grid;grid-template-columns:1fr 220px;gap:36px;align-items:start}
.mirror-nav{position:sticky;top:72px;padding-top:32px;order:2}
.mirror-nav h2{font-size:.84rem;color:#a8a29e;letter-spacing:.08em;margin-bottom:14px;font-weight:500}
.mirror-nav ol{list-style:none;font-size:.85rem;line-height:2.1}
.mirror-nav a{color:#57534e;padding:3px 0 3px 12px;display:block;border-right:3px solid transparent;text-align:right}
.mirror-nav a.is-active,.mirror-nav a:hover{color:#7c3aed;border-right-color:#7c3aed;font-weight:500}

.mirror-body{order:1;min-width:0}
.mirror-intro{padding:40px 0 32px;border-bottom:1px dashed #e7e5e4;margin-bottom:4px;background:linear-gradient(135deg,#faf5ff 0%,#fff 55%)}
.mirror-intro .intro-badge{display:inline-block;font-size:.8rem;color:#6d28d9;background:#ede9fe;padding:5px 14px;border-radius:4px;margin-bottom:14px;font-weight:500}
.mirror-intro h1{font-size:clamp(1.38rem,3.6vw,2rem);line-height:1.32;margin-bottom:16px;color:#0c0a09;max-width:640px}
.mirror-intro .intro-lede{font-size:1.02rem;color:#44403c;max-width:700px;margin-bottom:11px}
.mirror-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.mirror-tags span{font-size:.76rem;background:#f5f5f4;color:#57534e;padding:5px 11px;border-radius:999px;border:1px solid #e7e5e4}

.mirror-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:18px 22px;padding:30px 0}
.mirror-block{background:#fff;border:1px solid #e7e5e4;border-radius:8px;padding:20px 22px;box-shadow:0 3px 12px rgba(124,58,237,.05);position:relative}
.mirror-block h2{font-size:1.12rem;margin-bottom:11px;color:#0c0a09;padding-bottom:8px;border-bottom:2px solid #ede9fe}
.mirror-block p{margin-bottom:11px;color:#292524;font-size:.95rem}
.mirror-block figure{margin:14px 0 0}
.mirror-block figcaption{font-size:.78rem;color:#78716c;margin-top:7px;line-height:1.5}

.mb-span-6{grid-column:span 6}
.mb-span-4{grid-column:span 4}
.mb-span-10{grid-column:span 10}
.mb-span-7{grid-column:span 7}
.mb-span-3{grid-column:span 3}
.mb-drop{margin-top:28px}
.mb-lift{margin-top:-20px}
.mb-shift-left{margin-left:-16px}
.mb-shift-right{margin-right:-16px}
.mb-accent{border-left:4px solid #7c3aed;padding-left:20px}

.tip-strip{background:#faf5ff;border:1px solid #ddd6fe;padding:13px 16px;margin:12px 0;border-radius:6px;font-size:.93rem;color:#5b21b6}

.faq-panel{padding:34px 0;border-top:1px dashed #d6d3d1;margin-top:8px}
.faq-panel h2{font-size:1.18rem;margin-bottom:18px;color:#0c0a09}
.faq-item{border:1px solid #e7e5e4;border-radius:8px;padding:15px 18px;margin-bottom:11px;background:#fafaf9}
.faq-item h3{font-size:.98rem;margin-bottom:7px;color:#1c1917}

.related-panel{padding:22px 0;border-top:1px solid #e7e5e4}
.related-panel h2{font-size:1.04rem;margin-bottom:10px}
.related-panel ul{padding-left:1.25rem;line-height:1.95;color:#44403c}

.site-footer{background:#fafaf9;border-top:1px solid #e7e5e4;padding:28px 20px;text-align:center;font-size:.88rem;color:#78716c}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin-bottom:10px}
.footer-sub{font-size:.82rem;color:#a8a29e;margin-top:6px}
.prose-page{max-width:720px;margin:40px auto;padding:0 20px}
.prose-page h1{font-size:1.4rem;margin-bottom:16px}
.error-page{max-width:480px;margin:80px auto;padding:0 20px;text-align:center}

@media(max-width:960px){
  .mirror-wrap{grid-template-columns:1fr}
  .mirror-nav{position:static;order:0;padding:18px 0;border-bottom:1px solid #e7e5e4}
  .mirror-nav ol{display:flex;flex-wrap:wrap;gap:6px 12px;justify-content:flex-start}
  .mirror-nav a{border-right:0;text-align:left;padding:5px 12px;background:#f5f5f4;border-radius:6px;font-size:.82rem}
  .mb-span-6,.mb-span-4,.mb-span-10,.mb-span-7,.mb-span-3{grid-column:span 10}
  .mb-drop,.mb-lift,.mb-shift-left,.mb-shift-right{margin:0}
  .mb-accent{border-left:0;padding-left:22px}
}

@media(max-width:768px){
  .nav-toggle{display:block}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #e7e5e4;display:none;padding:12px 20px}
  .site-nav.is-open{display:block}
  .site-header{position:relative}
}