*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Noto Sans SC",system-ui,sans-serif;background:#fff;color:#1e293b;line-height:1.78;font-size:16px}
a{color:#0d9488;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.site-header{background:#fff;border-bottom:2px solid #e2e8f0;position:sticky;top:0;z-index:300}
.header-inner{max-width:1200px;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:#0f172a;font-weight:600;font-size:.97rem}
.brand em{font-style:normal;color:#0d9488;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none}
.site-nav a{color:#334155;font-size:.92rem}
.site-nav a.active{color:#0d9488;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:#334155;margin:5px 0;border-radius:1px}

.ads-top-bar{background:#f0fdfa;border-bottom:1px solid #99f6e4;padding:10px 0}
#applist .applist-title{font-size:.85rem;color:#64748b;margin-bottom:8px}
#ads{display:flex;flex-wrap:wrap;gap:12px}

.page-wrap{max-width:1200px;margin:0 auto;padding:0 22px 56px;display:grid;grid-template-columns:1fr 200px;gap:32px;align-items:start}
.page-main{min-width:0}

.hero-panel{padding:38px 0 30px;border-bottom:3px double #cbd5e1;margin-bottom:6px}
.hero-panel .hero-chip{display:inline-block;font-size:.81rem;color:#115e59;background:#ccfbf1;padding:5px 15px;border-radius:20px 4px 20px 4px;margin-bottom:14px;font-weight:500;border:1px solid #5eead4}
.hero-panel h1{font-size:clamp(1.36rem,3.5vw,1.95rem);line-height:1.34;margin-bottom:16px;color:#0f172a;max-width:720px;font-weight:700}
.hero-panel .hero-lead{font-size:1.01rem;color:#475569;max-width:760px;margin-bottom:12px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-cloud span{font-size:.77rem;background:#ecfeff;color:#0e7490;padding:5px 13px;border-radius:3px 12px 3px 12px;border:1px solid #a5f3fc}

.side-rail{position:sticky;top:78px;padding-top:28px}
.side-rail h2{font-size:.84rem;color:#64748b;letter-spacing:.05em;margin-bottom:12px;font-weight:600;text-transform:none}
.side-rail ol{list-style:none;font-size:.83rem;line-height:2.05}
.side-rail a{color:#475569;padding:2px 0 2px 10px;display:block;border-left:3px solid #e2e8f0;transition:border-color .15s,color .15s}
.side-rail a:hover,.side-rail a.is-active{color:#0d9488;border-left-color:#2dd4bf}

.stagger-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px 24px;padding:30px 0}
.tile{background:#fff;border:1px solid #e2e8f0;border-radius:14px 4px 14px 4px;padding:22px 24px;box-shadow:2px 4px 0 #ccfbf1;transition:transform .18s,box-shadow .18s}
.tile:hover{transform:translateY(-3px);box-shadow:3px 6px 0 #99f6e4}
.tile h2{font-size:1.12rem;margin-bottom:12px;color:#0f172a;padding-bottom:7px;border-bottom:2px solid #f1f5f9}
.tile p{margin-bottom:11px;color:#334155;font-size:.94rem}
.tile figure{margin:16px 0 0;border-radius:10px;overflow:hidden;border:1px solid #e2e8f0}
.tile figcaption{font-size:.78rem;color:#64748b;margin-top:7px;text-align:center;font-style:italic}

.tw-6{grid-column:span 6}
.tw-7{grid-column:span 7}
.tw-5{grid-column:span 5}
.tw-8{grid-column:span 8}
.tw-4{grid-column:span 4}
.tw-12{grid-column:span 12}
.tw-drop{margin-top:36px}
.tw-lift{margin-top:-18px}
.tw-nudge-l{margin-left:-12px}
.tw-nudge-r{margin-right:-12px}
.tw-deep{padding-bottom:32px}
.tile-accent{background:linear-gradient(135deg,#f8fafc 0%,#f0fdfa 100%)}

.note-box{background:#fffbeb;border-left:4px solid #f59e0b;padding:13px 17px;margin:12px 0;border-radius:0 10px 10px 0;font-size:.92rem;color:#92400e}

.faq-section{padding:34px 0;border-top:3px double #cbd5e1;margin-top:12px}
.faq-section h2{font-size:1.2rem;margin-bottom:16px;color:#0f172a}
.faq-card{border:1px solid #e2e8f0;border-radius:12px 4px 12px 4px;padding:17px 19px;margin-bottom:12px;background:#f8fafc}
.faq-card h3{font-size:.98rem;margin-bottom:7px;color:#1e293b}

.read-more{padding:26px 0;border-top:1px solid #e2e8f0}
.read-more h2{font-size:1.04rem;margin-bottom:10px}
.read-more ul{padding-left:1.2rem;line-height:2}

.outro-block{max-width:1200px;margin:0 auto;padding:0 22px 46px}
.outro-block h2{font-size:1.08rem;margin-bottom:11px;color:#0f172a}
.outro-block p{color:#475569;font-size:.95rem;margin-bottom:9px}

.site-footer{background:#f8fafc;border-top:1px solid #e2e8f0;padding:26px 22px;text-align:center;font-size:.87rem;color:#64748b}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;margin-bottom:9px}
.footer-note{font-size:.81rem;color:#94a3b8;margin-top:5px}
.prose-page{max-width:720px;margin:40px auto;padding:0 22px}
.prose-page h1{font-size:1.38rem;margin-bottom:16px}
.error-page{max-width:480px;margin:80px auto;padding:0 22px;text-align:center}

@media(max-width:980px){
  .page-wrap{grid-template-columns:1fr}
  .side-rail{position:static;order:-1;padding:16px 0;border-bottom:1px solid #e2e8f0}
  .side-rail ol{display:flex;flex-wrap:wrap;gap:6px 10px}
  .side-rail a{border-left:0;padding:5px 11px;background:#ecfeff;border-radius:14px;font-size:.79rem}
  .tw-6,.tw-7,.tw-5,.tw-8,.tw-4,.tw-12{grid-column:span 12}
  .tw-drop,.tw-lift,.tw-nudge-l,.tw-nudge-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 #e2e8f0;display:none;padding:12px 22px}
  .site-nav.is-open{display:block}
  .site-header{position:relative}
}