*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC",system-ui,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:1100px;margin:0 auto;padding:0 20px}

.site-header{background:#fff;border-bottom:2px solid #0d47a1;position:sticky;top:0;z-index:300}
.header-flex{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:.94rem}
.brand:hover{text-decoration:none}
.brand img{border-radius:4px}
.brand strong{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:#fafafa;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}

.cp-intro{padding:30px 0 16px;text-align:center;max-width:820px;margin:0 auto}
.cp-intro .badge{display:inline-block;font-size:.76rem;color:#1565c0;border:1px solid #90caf9;padding:4px 14px;margin-bottom:12px}
.cp-intro h1{font-size:1.72rem;line-height:1.35;margin-bottom:14px;font-weight:700}
.cp-intro .lead{color:#333;margin-bottom:10px;font-size:.98rem;text-align:justify}

.cp-ring-wrap{padding:20px 0 32px;display:flex;justify-content:center}
.cp-ring{position:relative;width:min(100%,520px);aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.cp-ring svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.cp-ring circle{fill:none;stroke-width:3}
.cp-ring .track{stroke:#e3f2fd}
.cp-ring .prog{stroke:#1565c0;stroke-dasharray:880;stroke-dashoffset:220;stroke-linecap:round}
.cp-center{position:relative;text-align:center;padding:0 24px;max-width:200px}
.cp-center .pct{font-size:2rem;font-weight:700;color:#0d47a1;line-height:1}
.cp-center .lbl{font-size:.78rem;color:#666;margin-top:4px}

.cp-steps{position:absolute;inset:0;list-style:none}
.cp-steps li{position:absolute;transform:translate(-50%,-50%)}
.cp-steps a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid #90caf9;color:#1565c0;font-size:.72rem;font-weight:700;text-align:center;line-height:1.1;padding:4px}
.cp-steps a:hover,.cp-steps a.active{background:#1565c0;color:#fff;border-color:#0d47a1;text-decoration:none}
.cp-steps li:nth-child(1){top:4%;left:50%}
.cp-steps li:nth-child(2){top:22%;left:88%}
.cp-steps li:nth-child(3){top:58%;left:92%}
.cp-steps li:nth-child(4){top:88%;left:62%}
.cp-steps li:nth-child(5){top:88%;left:28%}
.cp-steps li:nth-child(6){top:58%;left:6%}

.cp-body{padding:8px 0 28px}
.cp-panel{margin-bottom:36px;padding:24px;border:1px solid #e0e0e0;border-radius:8px;background:#fff}
.cp-panel h2{font-size:1.1rem;margin-bottom:12px;color:#0d47a1;padding-bottom:8px;border-bottom:2px solid #e3f2fd}
.cp-panel p{margin-bottom:11px;color:#333;font-size:.95rem;text-align:justify}
.cp-panel ul{margin:10px 0 12px 18px;color:#444;font-size:.92rem}
.cp-panel li{margin-bottom:5px}
.cp-panel figure{margin:16px 0;border:1px solid #ddd;border-radius:4px;overflow:hidden}
.cp-panel figcaption{font-size:.78rem;color:#666;padding:6px 10px;background:#fafafa}

.cp-note{margin:14px 0;padding:12px 14px;background:#e3f2fd;border-left:3px solid #1565c0;font-size:.9rem;color:#0d47a1}
.cp-alert{margin:14px 0;padding:12px 14px;background:#ffebee;border-left:3px solid #c62828;font-size:.9rem;color:#b71c1c}

.cp-faq{padding:28px 0;border-top:2px solid #0d47a1}
.cp-faq h2{font-size:1.18rem;margin-bottom:16px;text-align:center}
.cp-faq details{border:1px solid #ddd;margin-bottom:8px;border-radius:4px}
.cp-faq summary{padding:12px 16px;cursor:pointer;font-weight:500;list-style:none}
.cp-faq summary::-webkit-details-marker{display:none}
.cp-faq details[open] summary{border-bottom:1px solid #eee;background:#f5f9ff}
.cp-faq details p{padding:12px 16px;color:#444;font-size:.93rem}

.cp-outro{padding:16px 0 36px}
.cp-outro h2{font-size:1.05rem;margin-bottom:10px;color:#0d47a1}
.cp-outro p{margin-bottom:10px;color:#333;font-size:.94rem;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 #ddd;color:#333}
.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 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:640px){
  .cp-steps a{width:38px;height:38px;font-size:.65rem}
  .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}
}