:root{color-scheme:light;--page:#F7F8FB;--surface:#FFFFFF;--text:#191B22;--muted:#626B7A;--line:#D9DEE8;--accent:#5C3BFF;--accent-press:#472BD9;--danger:#B42318;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
html,body{min-height:100%;margin:0;background:var(--page);color:var(--text)}
body{font-size:16px;line-height:1.72}
.page{width:min(100% - 32px,900px);margin:0 auto;padding:34px 0 72px}
.header{padding:10px 0 28px;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em;text-decoration:none}
.brand img{border-radius:10px}
h1{margin:30px 0 8px;font-size:34px;line-height:1.18}
#page-meta{margin:0;color:var(--muted);font-size:14px}
.content{padding:28px 0 0}
.content:empty::before{content:"";display:block;width:100%;height:180px;border-radius:8px;background:linear-gradient(90deg,#ECEFF5,#F8F9FC,#ECEFF5);background-size:220% 100%;animation:loading 1.2s ease-in-out infinite}
.content h1,.content h2,.content h3{line-height:1.28}
.content h1{font-size:30px}
.content h2{margin-top:32px;font-size:24px}
.content h3{margin-top:24px;font-size:19px}
.content p{margin:12px 0}
.content ul,.content ol{padding-left:24px}
.content li{margin:8px 0}
.content a{color:var(--accent)}
.error-panel{margin-top:28px;padding:18px;border:1px solid color-mix(in srgb,var(--danger) 32%,var(--line));border-radius:8px;background:var(--surface)}
.error-panel p{margin:0 0 14px;color:var(--danger)}
.retry-button{min-height:44px;padding:0 18px;border:0;border-radius:8px;background:var(--accent);color:#fff;font:inherit;font-weight:700}
.retry-button:active{background:var(--accent-press)}
.noscript{margin-top:28px;padding:18px;border-radius:8px;background:var(--surface);color:var(--danger)}
@keyframes loading{to{background-position:-220% 0}}
@media (max-width:600px){.page{width:min(100% - 28px,900px);padding-top:22px}h1{font-size:28px}.content h1{font-size:26px}.content h2{font-size:21px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}