*,*::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:#4527a0;text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.zone{max-width:1140px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:2px solid #311b92;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:#4527a0;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:#311b92;font-weight:600;border-bottom:2px solid #4527a0;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:#ede7f6;border-bottom:1px solid #b39ddb;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}
.pb-hero{padding:34px 0 20px;border-bottom:2px dashed #d1c4e9}
.pb-hero .tag{display:inline-block;font-size:.76rem;color:#4527a0;border:1px solid #b39ddb;padding:4px 12px;margin-bottom:12px}
.pb-hero h1{font-size:1.68rem;line-height:1.35;margin-bottom:14px;color:#311b92;max-width:800px}
.pb-hero .lead{color:#333;margin-bottom:10px;font-size:1rem;text-align:justify;max-width:800px}
.pb-board{background:#eceff1 url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h80v80H0z' fill='%23eceff1'/%3E%3Ccircle cx='20' cy='25' r='1.5' fill='%23cfd8dc'/%3E%3Ccircle cx='55' cy='60' r='1.2' fill='%23cfd8dc'/%3E%3C/svg%3E");padding:36px 0 48px}
.pb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 20px}
.pb-card{background:#fffef7;padding:20px 18px 16px;border-radius:2px;box-shadow:3px 4px 10px rgba(0,0,0,.12);position:relative;min-height:160px}
.pb-card::before{content:"";position:absolute;top:-5px;left:50%;transform:translateX(-50%);width:12px;height:12px;background:radial-gradient(circle,#ef5350,#c62828);border-radius:50%;box-shadow:0 2px 3px rgba(0,0,0,.2)}
.pb-card:nth-child(1){transform:rotate(-1deg);background:#fff9c4}
.pb-card:nth-child(2){transform:rotate(1.2deg);background:#e1f5fe}
.pb-card:nth-child(3){transform:rotate(0.7deg);background:#f3e5f5}
.pb-card:nth-child(4){transform:rotate(-0.8deg);background:#fffef7}
.pb-card:nth-child(5){transform:rotate(0.5deg);grid-column:1/-1;max-width:760px;margin:0 auto;width:100%;background:#e8eaf6}
.pb-card h2{font-size:1.02rem;color:#311b92;margin-bottom:8px;padding-top:6px}
.pb-card p{margin-bottom:8px;color:#333;font-size:.92rem;text-align:justify}
.pb-card ul{margin:6px 0 0 14px;font-size:.88rem;color:#444}
.pb-card figure{margin:10px 0;border:1px solid #ddd;border-radius:3px;overflow:hidden}
.pb-card figcaption{font-size:.74rem;color:#666;padding:4px 8px;background:#fafafa}
.pb-faq{padding:30px 0 24px;border-top:2px solid #311b92;background:#fff}
.pb-faq h2{font-size:1.18rem;margin-bottom:16px;color:#311b92;text-align:center}
.pb-faq details{border:1px solid #d1c4e9;margin-bottom:8px;border-radius:4px;background:#fafafa;max-width:820px;margin-left:auto;margin-right:auto}
.pb-faq summary{padding:12px 16px;cursor:pointer;font-weight:500;list-style:none}
.pb-faq summary::-webkit-details-marker{display:none}
.pb-faq details[open] summary{border-bottom:1px solid #ede7f6;background:#ede7f6}
.pb-faq details p{padding:12px 16px;color:#444;font-size:.93rem}
.pb-close{padding:24px 0 36px;background:#fff}
.pb-close h2{font-size:1.08rem;margin-bottom:10px;color:#311b92}
.pb-close p{margin-bottom:10px;color:#333;font-size:.95rem;text-align:justify}
.related-read{padding:20px 0 36px;border-top:1px solid #d1c4e9;background:#fff}
.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 #b39ddb;color:#4527a0}
.related-grid a:hover{background:#ede7f6;text-decoration:none}
.site-footer{background:#fafafa;border-top:2px solid #311b92;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}
.pb-grid{grid-template-columns:1fr}.pb-card{transform:none!important}
}