*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC",sans-serif;background:#fff;color:#1a1a1a;line-height:1.75;font-size:16px}
a{color:#1565c0;text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.shell{max-width:1160px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:2px solid #0d47a1;position:sticky;top:0;z-index:300}
.header-inner{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}
.brand:hover{text-decoration:none}.brand img{border-radius:4px}.brand em{color:#1565c0;font-style:normal;font-weight:700}
.site-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none}
.site-nav a{color:#555;font-size:.9rem;padding:4px 0}
.site-nav a.active,.site-nav a:hover{color:#0d47a1;font-weight:600;border-bottom:2px solid #1565c0;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:#e3f2fd;border-bottom:1px solid #90caf9;padding:10px 0}
.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}
.dg-hero{padding:36px 0 28px;background:linear-gradient(135deg,#fff 55%,#e3f2fd 100%)}
.dg-hero .tag{display:inline-block;font-size:.76rem;color:#1565c0;border:1px solid #90caf9;padding:4px 12px;margin-bottom:12px}
.dg-hero h1{font-size:1.72rem;line-height:1.35;margin-bottom:14px;max-width:760px;color:#0d47a1}
.dg-hero .lead{color:#333;margin-bottom:10px;font-size:1rem;text-align:justify;max-width:760px}
.dg-stack{padding:8px 0 40px}
.dg-slab{margin-bottom:0;padding:32px 28px;position:relative}
.dg-slab:nth-child(odd){background:#fff;transform:skewY(-0.8deg);margin:24px 0}
.dg-slab:nth-child(even){background:#f5f9ff;transform:skewY(0.6deg);margin:20px 0}
.dg-slab-inner{transform:skewY(0.8deg);max-width:880px;margin:0 auto}
.dg-slab:nth-child(even) .dg-slab-inner{transform:skewY(-0.6deg)}
.dg-slab h2{font-size:1.12rem;color:#0d47a1;margin-bottom:12px;padding-bottom:6px;border-bottom:2px solid #bbdefb}
.dg-slab p{margin-bottom:11px;color:#333;font-size:.96rem;text-align:justify}
.dg-slab ul{margin:10px 0 12px 18px;color:#444;font-size:.92rem}
.dg-slab li{margin-bottom:5px}
.dg-slab figure{margin:16px 0;border:1px solid #ddd;border-radius:4px;overflow:hidden}
.dg-slab figcaption{font-size:.78rem;color:#666;padding:6px 10px;background:#fafafa}
.dg-callout{margin:14px 0;padding:12px 16px;background:#e3f2fd;border-left:4px solid #1565c0;font-size:.9rem;color:#0d47a1}
.dg-warn{margin:14px 0;padding:12px 14px;background:#fff8e1;border-left:3px solid #ff8f00;font-size:.9rem;color:#e65100}
.dg-faq{padding:32px 0 24px;border-top:2px solid #0d47a1}
.dg-faq h2{font-size:1.2rem;margin-bottom:18px;color:#0d47a1}
.dg-faq details{border:1px solid #bbdefb;margin-bottom:8px;background:#fff}
.dg-faq summary{padding:12px 16px;cursor:pointer;font-weight:500;list-style:none}
.dg-faq summary::-webkit-details-marker{display:none}
.dg-faq details[open] summary{border-bottom:1px solid #e3f2fd;background:#f5f9ff}
.dg-faq details p{padding:12px 16px;color:#444;font-size:.93rem}
.dg-close{padding:24px 0 36px}
.dg-close h2{font-size:1.08rem;margin-bottom:10px;color:#0d47a1}
.dg-close p{margin-bottom:10px;color:#333;font-size:.95rem;text-align:justify}
.related-read{padding:20px 0 36px;border-top:1px solid #ddd}
.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 #bbdefb;color:#1565c0}
.related-grid a:hover{background:#e3f2fd;text-decoration:none}
.site-footer{background:#fafafa;border-top:2px solid #0d47a1;padding:28px 0;text-align:center;font-size:.88rem;color:#666}
.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}
.prose-page h1{font-size:1.5rem;margin-bottom:16px}
.prose-page p{margin-bottom:12px;color:#333}
@media(max-width:768px){
.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}
.dg-slab{transform:none!important;padding:24px 16px}.dg-slab-inner{transform:none!important}
}