*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Noto Sans SC",system-ui,sans-serif;background:#fff;color:#064e3b;line-height:1.75;font-size:16px}
a{color:#059669;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:900px;margin:0 auto;padding:0 20px}

.site-header{background:#fff;border-bottom:2px solid #a7f3d0;position:sticky;top:0;z-index:200}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-size:1rem;color:#064e3b;font-weight:500}
.brand:hover{text-decoration:none}
.brand b{color:#059669;font-weight:700}
.brand img{border-radius:6px}
.site-nav ul{display:flex;gap:6px 16px;list-style:none;flex-wrap:wrap}
.site-nav a{color:#57534e;font-size:.9rem;padding:4px 0}
.site-nav a.active{color:#059669;font-weight:600;border-bottom:2px solid #059669}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:#444;transition:.2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.ads-top-bar{background:#ecfdf5;border-bottom:1px solid #a7f3d0;padding:10px 0}
.applist-title{font-size:.78rem;color:#047857;text-align:center;margin-bottom:6px}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
#ads .caption{font-size:.7rem;color:#78716c;margin-top:4px;text-align:center;max-width:70px;line-height:1.3}

.hero{padding:40px 0 24px}
.hero .tag{display:inline-block;font-size:.76rem;font-weight:700;color:#059669;background:#d1fae5;padding:4px 12px;margin-bottom:14px}
.hero h1{font-size:1.7rem;line-height:1.36;margin-bottom:14px;color:#064e3b}
.hero .lead{color:#444;font-size:1.02rem}

.tabs{padding-bottom:40px}
.tabs > input{position:absolute;opacity:0;pointer-events:none}
.tab-labels{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;border-bottom:2px solid #d1fae5;padding-bottom:12px}
.tab-labels label{cursor:pointer;padding:8px 16px;font-size:.9rem;font-weight:600;color:#047857;background:#fff;border:1px solid #a7f3d0;border-radius:8px 8px 0 0}
.tab-labels label:hover{background:#ecfdf5}
#tab1:checked ~ .tab-labels label[for="tab1"],
#tab2:checked ~ .tab-labels label[for="tab2"],
#tab3:checked ~ .tab-labels label[for="tab3"],
#tab4:checked ~ .tab-labels label[for="tab4"],
#tab5:checked ~ .tab-labels label[for="tab5"]{background:#059669;color:#fff;border-color:#059669}

.tab-panels{background:#fff;border:1px solid #a7f3d0;border-radius:0 12px 12px 12px;padding:28px 26px 32px;min-height:320px}
.tab-panel{display:none}
#tab1:checked ~ .tab-panels #p1,
#tab2:checked ~ .tab-panels #p2,
#tab3:checked ~ .tab-panels #p3,
#tab4:checked ~ .tab-panels #p4,
#tab5:checked ~ .tab-panels #p5{display:block}
.tab-panel h2{font-size:1.18rem;margin:0 0 12px;color:#064e3b;padding-bottom:8px;border-bottom:2px solid #d1fae5}
.tab-panel h2 + h2,.tab-panel p + h2{margin-top:22px}
.tab-panel p{color:#444;margin-bottom:10px;font-size:.97rem}
.tab-panel figure{margin:16px 0 8px;max-width:420px;border:1px solid #d1fae5;overflow:hidden;border-radius:8px}
.tab-panel figcaption{font-size:.84rem;color:#78716c;margin-top:6px}

.faq{padding:8px 0 52px}
.faq > h2{font-size:1.28rem;margin-bottom:18px;text-align:center}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq-grid article{border:1px solid #a7f3d0;border-radius:10px;padding:16px 18px;background:#ecfdf5}
.faq-grid h3{font-size:.96rem;color:#047857;margin-bottom:8px}
.faq-grid p{font-size:.92rem;color:#57534e;margin:0}

.prose-page{padding:36px 0 48px;max-width:720px}
.prose-page h1{font-size:1.5rem;margin-bottom:16px}
.prose-page h2{font-size:1.1rem;margin:20px 0 8px}
.prose-page p{margin-bottom:12px;color:#444}
.site-footer{background:#fafaf9;border-top:1px solid #e7e5e4;padding:26px 0;text-align:center;font-size:.88rem;color:#78716c}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 16px;margin-bottom:10px}
.footer-links a{color:#57534e}
.error-page{text-align:center;padding:80px 20px}
.error-page h1{font-size:3rem;color:#059669;margin-bottom:12px}

@media(max-width:720px){
  .faq-grid{grid-template-columns:1fr}
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #e7e5e4;padding:12px 20px;display:none}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:10px}
  .hero h1{font-size:1.38rem}
  .tab-panels{padding:20px 16px}
}