*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC",Georgia,serif;background:#fff;color:#1a1a1a;line-height:1.75;font-size:16px}
a{color:#2e7d32;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.container{max-width:1140px;margin:0 auto;padding:0 20px}

.site-header{background:#fff;border-bottom:2px solid #1a1a1a;position:sticky;top:0;z-index:300}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:#111;font-weight:600;font-size:.95rem;font-family:"Noto Sans SC",sans-serif}
.brand:hover{text-decoration:none}
.brand img{border-radius:4px}
.brand b{color:#2e7d32;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;font-family:"Noto Sans SC",sans-serif}
.site-nav a{color:#555;font-size:.9rem;padding:4px 0}
.site-nav a.active,.site-nav a:hover{color:#1b5e20;font-weight:600;border-bottom:2px solid #2e7d32;text-decoration:none}
.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:#333;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:#fafafa;border-bottom:1px solid #ddd;padding:10px 0;font-family:"Noto Sans SC",sans-serif}
.applist-title{font-size:.78rem;color:#888;text-align:center;margin-bottom:6px}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
#ads .caption{font-size:.7rem;color:#666;margin-top:4px;text-align:center;max-width:70px;line-height:1.3}

.masthead{padding:36px 0 24px;border-bottom:3px double #1a1a1a;text-align:center}
.masthead .kicker{font-family:"Noto Sans SC",sans-serif;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#666;margin-bottom:10px}
.masthead h1{font-size:1.85rem;line-height:1.3;margin-bottom:16px;font-weight:700}
.masthead .lead{color:#333;margin-bottom:12px;font-size:1.02rem;text-align:justify;max-width:820px;margin-left:auto;margin-right:auto;font-family:"Noto Sans SC",sans-serif}
.masthead .dateline{font-size:.85rem;color:#888;margin-top:14px;font-family:"Noto Sans SC",sans-serif}

.hero-strip{margin:24px auto;max-width:720px;border:1px solid #ccc;padding:4px}
.hero-strip figcaption{font-size:.8rem;color:#666;padding:8px 12px;background:#fafafa;text-align:center;font-family:"Noto Sans SC",sans-serif}

.paper-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:28px;padding:32px 0 24px;border-bottom:1px solid #ddd}
.paper-col section{margin-bottom:28px;padding-bottom:24px;border-bottom:1px dotted #ccc}
.paper-col section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.paper-col h2{font-size:1.08rem;margin-bottom:12px;padding-bottom:6px;border-bottom:2px solid #2e7d32;color:#111;font-family:"Noto Sans SC",sans-serif}
.paper-col p{margin-bottom:11px;color:#333;font-size:.96rem;text-align:justify;font-family:"Noto Sans SC",sans-serif}
.paper-col ul{margin:10px 0 12px 18px;color:#444;font-size:.92rem;font-family:"Noto Sans SC",sans-serif}
.paper-col li{margin-bottom:5px}
.paper-col figure{margin:14px 0;border:1px solid #ddd}
.paper-col figcaption{font-size:.78rem;color:#666;padding:6px 10px;background:#fafafa;font-family:"Noto Sans SC",sans-serif}

.paper-callout{margin:12px 0;padding:12px 14px;background:#f1f8e9;border-left:3px solid #2e7d32;font-size:.9rem;color:#33691e;font-family:"Noto Sans SC",sans-serif}
.paper-alert{margin:12px 0;padding:12px 14px;background:#fff3e0;border-left:3px solid #ef6c00;font-size:.9rem;color:#e65100;font-family:"Noto Sans SC",sans-serif}

.paper-faq{padding:32px 0;border-top:3px double #1a1a1a}
.paper-faq h2{font-size:1.25rem;text-align:center;margin-bottom:20px;font-family:"Noto Sans SC",sans-serif}
.paper-faq details{border:1px solid #ccc;margin-bottom:8px;background:#fff}
.paper-faq summary{padding:12px 16px;cursor:pointer;font-weight:500;list-style:none;font-family:"Noto Sans SC",sans-serif}
.paper-faq summary::-webkit-details-marker{display:none}
.paper-faq details[open] summary{border-bottom:1px solid #eee;background:#fafafa}
.paper-faq details p{padding:12px 16px;color:#444;font-size:.93rem;font-family:"Noto Sans SC",sans-serif}

.paper-close{padding:24px 0 40px;font-family:"Noto Sans SC",sans-serif}
.paper-close h2{font-size:1.1rem;margin-bottom:10px}
.paper-close p{margin-bottom:10px;color:#333;font-size:.95rem;text-align:justify}

.related-read{padding:20px 0 36px;border-top:1px solid #ddd;font-family:"Noto Sans SC",sans-serif}
.related-read h2{font-size:1rem;margin-bottom:12px}
.related-grid{display:flex;flex-wrap:wrap;gap:10px 16px}
.related-grid a{font-size:.9rem;padding:6px 12px;border:1px solid #ddd;color:#333}
.related-grid a:hover{background:#f1f8e9;text-decoration:none}

.site-footer{background:#fafafa;border-top:2px solid #1a1a1a;padding:28px 0;text-align:center;font-size:.88rem;color:#666;font-family:"Noto Sans SC",sans-serif}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:10px}
.footer-links a{color:#555}

.prose-page{max-width:720px;margin:0 auto;padding:32px 20px 48px;font-family:"Noto Sans SC",sans-serif}
.prose-page h1{font-size:1.5rem;margin-bottom:16px}
.prose-page h2{font-size:1.1rem;margin:16px 0 8px}
.prose-page p{margin-bottom:12px;color:#333}
.error-page{text-align:center;padding:48px 20px 24px;font-family:"Noto Sans SC",sans-serif}
.error-page h1{font-size:3rem;color:#2e7d32}

@media(max-width:960px){
  .paper-3col{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .paper-3col{grid-template-columns:1fr}
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #eee;padding:12px 20px;display:none}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:10px}
}