*,*::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:1.76;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 22px;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:.97rem}
.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:#44403c;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}

.grid-wrap{max-width:1180px;margin:0 auto;padding:0 22px 60px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;align-items:start}
.side-index{position:sticky;top:74px;padding-top:32px}
.side-index h2{font-size:.84rem;color:#a8a29e;letter-spacing:.08em;margin-bottom:14px;font-weight:600}
.side-index ol{list-style:none;font-size:.85rem;line-height:2.05}
.side-index a{color:#57534e;padding:3px 0 3px 12px;display:block;border-left:3px solid #e7e5e4;transition:border-color .15s,color .15s}
.side-index a.is-active,.side-index a:hover{color:#7c3aed;border-left-color:#7c3aed}

.hero-band{padding:40px 0 32px;border-bottom:1px dashed #e7e5e4;margin-bottom:4px}
.hero-band .badge{display:inline-block;font-size:.8rem;color:#6d28d9;background:#ede9fe;padding:5px 14px;border-radius:999px;margin-bottom:14px;font-weight:500}
.hero-band h1{font-size:clamp(1.38rem,3.6vw,2rem);line-height:1.32;margin-bottom:16px;color:#0c0a09;max-width:700px}
.hero-band .lede{font-size:1.03rem;color:#44403c;max-width:740px;margin-bottom:11px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag-row span{font-size:.77rem;background:#f5f5f4;color:#57534e;padding:5px 11px;border-radius:8px;border:1px solid #e7e5e4}

.stagger-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px 26px;padding:30px 0}
.tile{background:#fff;border:1px solid #e7e5e4;border-radius:16px;padding:24px 26px;box-shadow:0 3px 14px rgba(124,58,237,.05);position:relative}
.tile h2{font-size:1.14rem;margin-bottom:13px;color:#0c0a09}
.tile p{margin-bottom:12px;color:#292524;font-size:.95rem}
.tile figure{margin:18px 0 0}
.tile figcaption{font-size:.79rem;color:#78716c;margin-top:9px;text-align:center;line-height:1.5}

.t-span-6{grid-column:span 6}
.t-span-7{grid-column:span 7}
.t-span-5{grid-column:span 5}
.t-span-8{grid-column:span 8}
.t-span-4{grid-column:span 4}
.t-span-12{grid-column:span 12}
.t-drop{margin-top:40px}
.t-lift{margin-top:-20px}
.t-shift-l{margin-left:-18px}
.t-shift-r{margin-right:-18px}
.t-accent::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,#7c3aed,#c084fc);border-radius:16px 0 0 16px}

.callout{background:#faf5ff;border:1px solid #ddd6fe;padding:15px 18px;margin:14px 0;border-radius:12px;font-size:.93rem;color:#5b21b6;line-height:1.65}

.faq-block{padding:34px 0;border-top:1px dashed #e7e5e4;margin-top:16px}
.faq-block h2{font-size:1.22rem;margin-bottom:18px;color:#0c0a09}
.faq-item{border:1px solid #e7e5e4;border-radius:14px;padding:17px 20px;margin-bottom:13px;background:#fafaf9}
.faq-item h3{font-size:1rem;margin-bottom:8px;color:#1c1917}

.more-read{padding:26px 0;border-top:1px solid #f5f5f4}
.more-read h2{font-size:1.06rem;margin-bottom:10px}
.more-read ul{padding-left:1.25rem;line-height:1.95;color:#44403c}

.site-footer{background:#fafaf9;border-top:1px solid #e7e5e4;padding:30px 22px;text-align:center;font-size:.88rem;color:#78716c}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-bottom:10px}
.footer-sub{font-size:.82rem;color:#a8a29e;margin-top:6px}
.prose-page{max-width:720px;margin:40px auto;padding:0 22px}
.prose-page h1{font-size:1.42rem;margin-bottom:16px}
.error-page{max-width:480px;margin:80px auto;padding:0 22px;text-align:center}

@media(max-width:980px){
  .grid-wrap{grid-template-columns:1fr;gap:0}
  .side-index{position:static;padding:18px 0;border-bottom:1px dashed #e7e5e4}
  .side-index ol{display:flex;flex-wrap:wrap;gap:8px 12px}
  .side-index a{border-left:0;padding:5px 12px;background:#f5f5f4;border-radius:8px;font-size:.81rem}
  .t-span-6,.t-span-7,.t-span-5,.t-span-8,.t-span-4,.t-span-12{grid-column:span 12}
  .t-drop,.t-lift,.t-shift-l,.t-shift-r{margin:0}
}

@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 22px;box-shadow:0 8px 20px rgba(0,0,0,.06)}
  .site-nav.is-open{display:block}
  .site-header{position:relative}
}