*,*::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}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:2px solid #0d47a1;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}
.brand:hover{text-decoration:none}
.brand img{border-radius:6px}
.brand b{color:#1565c0;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:#f5f8fc;border-bottom:1px solid #ddd;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}
.hero-zone{padding:36px 0 28px;text-align:center;border-bottom:1px solid #e3eaf2}
.hero-zone .tag{display:inline-block;background:#e3f2fd;color:#0d47a1;font-size:.78rem;padding:4px 14px;border-radius:20px;margin-bottom:12px;font-weight:500}
.hero-zone h1{font-size:1.85rem;line-height:1.35;margin-bottom:16px;color:#0d47a1}
.hero-zone .lead{color:#333;margin-bottom:12px;font-size:1.02rem;text-align:justify;max-width:820px;margin-left:auto;margin-right:auto}
.map-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 12px;padding:20px 0;border-bottom:1px solid #e3eaf2}
.map-nav a{font-size:.85rem;padding:6px 14px;border:1px solid #bbdefb;color:#1565c0;border-radius:4px}
.map-nav a:hover{background:#e3f2fd;text-decoration:none}
.map-track{position:relative;padding:32px 0}
.map-track::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(#1565c0,#64b5f6,#1565c0);transform:translateX(-50%);opacity:.25}
.checkpoint{position:relative;display:grid;grid-template-columns:1fr 48px 1fr;gap:20px;margin-bottom:40px;align-items:start}
.checkpoint:nth-child(even) .cp-body{grid-column:1;grid-row:1}
.checkpoint:nth-child(even) .cp-marker{grid-column:2;grid-row:1}
.checkpoint:nth-child(even) .cp-spacer{grid-column:3;grid-row:1}
.cp-marker{width:48px;height:48px;border-radius:50%;background:#1565c0;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;position:relative;z-index:2;box-shadow:0 0 0 4px #fff,0 0 0 6px #bbdefb}
.cp-body{background:#f8fbff;border:1px solid #bbdefb;border-radius:8px;padding:20px 22px}
.cp-body h2{font-size:1.12rem;color:#0d47a1;margin-bottom:10px}
.cp-body p{margin-bottom:10px;color:#333;font-size:.95rem;text-align:justify}
.cp-body figure{margin:14px 0;border:1px solid #ddd;border-radius:6px;overflow:hidden}
.cp-body figcaption{font-size:.78rem;color:#666;padding:6px 10px;background:#fafafa}
.cp-body ul{margin:10px 0 0 18px;font-size:.92rem;color:#444}
.cp-body li{margin-bottom:4px}
.cp-spacer{min-height:1px}
.cp-callout{margin:12px 0;padding:10px 14px;background:#fff8e1;border-left:3px solid #ffa000;font-size:.9rem;color:#e65100}
.map-faq{padding:32px 0;border-top:2px solid #0d47a1}
.map-faq h2{font-size:1.2rem;text-align:center;margin-bottom:20px;color:#0d47a1}
.map-faq details{border:1px solid #bbdefb;margin-bottom:8px;border-radius:6px;background:#fff}
.map-faq summary{padding:12px 16px;cursor:pointer;font-weight:500;list-style:none}
.map-faq summary::-webkit-details-marker{display:none}
.map-faq details[open] summary{border-bottom:1px solid #e3eaf2;background:#f5f8fc}
.map-faq details p{padding:12px 16px;color:#444;font-size:.93rem}
.map-close{padding:24px 0 36px}
.map-close h2{font-size:1.1rem;margin-bottom:10px;color:#0d47a1}
.map-close p{margin-bottom:10px;color:#333;font-size:.95rem;text-align:justify}
.related-read{padding:20px 0 36px;border-top:1px solid #e3eaf2}
.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;border-radius:4px}
.related-grid a:hover{background:#e3f2fd;text-decoration:none}
.site-footer{background:#f5f8fc;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 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}
.error-page h1{font-size:3rem;color:#1565c0}
@media(max-width:768px){
.nav-toggle{display:flex}
.site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #ddd;padding:12px 20px;box-shadow:0 4px 12px rgba(0,0,0,.08)}
.site-nav.is-open{display:block}
.site-nav ul{flex-direction:column;gap:10px}
.map-track::before{left:24px}
.checkpoint{grid-template-columns:48px 1fr;gap:14px}
.checkpoint:nth-child(even) .cp-body{grid-column:2;grid-row:1}
.checkpoint:nth-child(even) .cp-marker{grid-column:1;grid-row:1}
.cp-spacer{display:none}
.hero-zone h1{font-size:1.45rem}
}