*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#fff;--ink:#1a1a1a;--muted:#555;--line:#e5e5e5;--accent:#16a34a;--accent-soft:#dcfce7;--sidebar-w:240px;--max:860px;--radius:10px}
html{scroll-behavior:smooth;scroll-padding-top:1.5rem}
body{font-family:"Noto Sans SC",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.82;font-size:16px;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.site-shell{display:flex;min-height:100vh}
.side-panel{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);height:100vh;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:300;overflow-y:auto}
.side-inner{display:flex;flex-direction:column;min-height:100%;padding:1.75rem 1.25rem 1.5rem}
.panel-brand{display:flex;align-items:center;gap:.65rem;color:var(--ink);font-weight:600;font-size:1rem;margin-bottom:.35rem}
.panel-brand img{border-radius:8px;border:1px solid var(--line)}
.panel-brand b{color:var(--accent);font-weight:700}
.panel-tagline{font-size:.78rem;color:var(--muted);margin:0 0 1.5rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line)}
.panel-nav{flex:1}
.panel-nav ul{list-style:none;margin:0;padding:0}
.panel-nav>li{margin-bottom:.15rem}
.panel-nav a{display:block;padding:.5rem .75rem;color:var(--muted);font-size:.92rem;border-radius:8px;border-left:3px solid transparent;transition:background .2s,color .2s}
.panel-nav a:hover,.panel-nav a.active{color:var(--accent);background:var(--accent-soft);border-left-color:var(--accent);text-decoration:none}
.panel-section-label{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:1.25rem 0 .55rem;padding-left:.75rem}
.panel-ext-links{display:flex;flex-direction:column;gap:.25rem}
.panel-ext-links a{font-size:.82rem;padding:.35rem .75rem;color:var(--accent)}
.panel-footer{margin-top:auto;padding-top:1.25rem;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted)}
.panel-footer a{color:var(--muted);font-size:.75rem}
.panel-footer a:hover{color:var(--accent)}
.content-panel{margin-left:var(--sidebar-w);width:calc(100% - var(--sidebar-w));min-height:100vh;background:var(--bg)}
.content-inner{max-width:var(--max);margin:0 auto;padding:0 2rem 3rem}
.nav-toggle{display:none;position:fixed;top:1rem;left:1rem;z-index:400;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--accent)}
.panel-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:250}
.panel-overlay.is-visible{display:block}
.ads-top-bar{background:#fff;border-bottom:1px solid var(--line);padding:.55rem 2rem;position:sticky;top:0;z-index:100}
.applist-title{font-size:.78rem;color:var(--muted);text-align:center;margin-bottom:.35rem}
#ads{display:flex;justify-content:center;flex-wrap:wrap;gap:.5rem}
.ads-item figure{margin:0;text-align:center}
.ads-item img{width:65px;height:65px;border-radius:10px;object-fit:cover;border:1px solid var(--line)}
.ads-item .caption{font-size:11px;color:var(--muted);max-width:76px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-block{padding:2rem 0 1.5rem;border-bottom:1px solid var(--line)}
.hero-block h1{font-size:clamp(1.4rem,3.2vw,1.9rem);line-height:1.35;margin-bottom:1rem;color:var(--ink)}
.hero-block .lead{color:#333;margin-bottom:.85rem;text-align:justify;font-size:1.02rem}
.hero-block .lead strong{color:var(--ink);font-weight:600}
.link-strip{display:flex;flex-wrap:wrap;gap:.65rem;padding:1rem 0 .5rem}
.link-strip a{padding:.45rem .95rem;border:1px solid var(--line);border-radius:999px;font-size:.88rem;color:var(--accent);background:var(--accent-soft)}
.link-strip a:hover{border-color:var(--accent);text-decoration:none}
.section-block{padding:1.75rem 0;border-top:1px solid var(--line)}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.75rem}
.content-card h2{font-size:1.18rem;color:var(--accent);margin-bottom:1rem;font-weight:700}
.prose p{margin:0 0 1rem;color:#333;text-align:justify}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{margin:0 0 1rem;padding-left:1.35rem;color:#333}
.prose li{margin-bottom:.35rem}
.prose figure{margin:1.25rem 0}
.prose figure img{max-width:min(100%,560px);border-radius:10px;margin:0 auto;border:1px solid var(--line)}
.prose figcaption{font-size:.78rem;color:var(--muted);text-align:center;margin-top:.45rem}
.callout{background:var(--accent-soft);border-left:4px solid var(--accent);padding:1rem 1.15rem;border-radius:0 var(--radius) var(--radius) 0;margin:1rem 0;font-size:.95rem}
.faq-block details{border:1px solid var(--line);border-radius:var(--radius);padding:1rem;margin-bottom:.75rem;background:#fafafa}
.faq-block summary{cursor:pointer;font-weight:600;color:var(--ink)}
.faq-block p{margin-top:.65rem;color:#444;font-size:.95rem}
.page-hero{padding:2rem 0 1rem;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:1.65rem;margin:.5rem 0 0}
.breadcrumb{font-size:.82rem;color:var(--muted)}
.breadcrumb a{color:var(--accent)}
.related-read{margin:2rem 0;padding:1.5rem;border:1px solid var(--line);border-radius:var(--radius);background:#fafafa}
.related-read h2{font-size:1.05rem;margin-bottom:.75rem}
.related-grid{display:flex;flex-wrap:wrap;gap:.65rem}
.related-grid a{padding:.45rem .85rem;border:1px solid var(--line);border-radius:8px;font-size:.88rem;color:var(--ink);background:#fff}
.related-grid a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.content-footer{padding:1.5rem 2rem;text-align:center;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line)}
.error-wrap{text-align:center;padding:4rem 2rem;min-height:60vh;display:flex;align-items:center;justify-content:center}
.error-wrap .code{font-size:4rem;font-weight:700;color:var(--accent);margin:0;line-height:1}
.error-wrap h1{margin:.75rem 0 1rem;font-size:1.3rem}
.error-wrap p{color:var(--muted)}
@media(max-width:960px){
  .nav-toggle{display:flex}
  .side-panel{transform:translateX(-100%);transition:transform .3s ease;width:min(280px,85vw);box-shadow:4px 0 24px rgba(0,0,0,.08)}
  .side-panel.is-open{transform:translateX(0)}
  .content-panel{margin-left:0;width:100%}
  .content-inner{padding:3.5rem 1.25rem 2.5rem}
  .ads-top-bar{padding:.55rem 1.25rem}
}