:root{
  --v75-canvas:#f7f7f5;
  --v75-paper:#ffffff;
  --v75-ink:#101114;
  --v75-graphite:#34363b;
  --v75-steel:#73777f;
  --v75-hair:#e2e3e5;
  --v75-hair-soft:#ececeb;
  --v75-dark:#111318;
}

html{scroll-behavior:smooth;background:var(--v75-canvas)}
body{margin:0;background:var(--v75-canvas);color:var(--v75-ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body a{color:inherit}
body img{max-width:100%;display:block}
::selection{background:#dfe6fb;color:#111318}

.site-head{position:sticky;top:0;z-index:100;background:rgba(247,247,245,.94);border-bottom:1px solid rgba(16,17,20,.07);backdrop-filter:blur(18px) saturate(1.15);-webkit-backdrop-filter:blur(18px) saturate(1.15)}
.site-head-inner{max-width:1220px;height:62px;margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:14px;font-weight:600;letter-spacing:-.01em;text-decoration:none;color:var(--v75-ink)}
.brand span{color:var(--v75-steel);font-weight:400}
.site-nav{display:flex;gap:22px;font-size:12.5px;color:var(--v75-steel)}
.site-nav a{text-decoration:none;color:var(--v75-steel)}
.site-nav a:hover{color:var(--v75-ink)}

.container{max-width:820px;margin:0 auto;padding:64px 24px 88px}
article{display:block}

h1{font-size:clamp(32px,4vw,44px)!important;line-height:1.2!important;letter-spacing:-.035em!important;font-weight:600!important;margin:0 0 26px!important;color:var(--v75-ink)!important}
h2{font-size:26px!important;line-height:1.32!important;letter-spacing:-.025em!important;font-weight:600!important;margin:56px 0 18px!important;padding-bottom:10px!important;border-bottom:1px solid var(--v75-hair)!important;color:var(--v75-ink)!important}
h3{font-size:19px!important;line-height:1.5!important;font-weight:600!important;margin:34px 0 12px!important;color:var(--v75-ink)!important}
p,li,dd{font-size:16px!important;line-height:1.9!important;color:#3f444b!important}
p{margin:0 0 18px!important}
ul,ol{margin:0 0 22px!important;padding-left:1.4em!important}
li{margin:8px 0!important}
strong{color:var(--v75-ink)!important;font-weight:600!important}
em{color:var(--v75-graphite)}
a{color:var(--v75-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:#c9cbd0}
a:hover{text-decoration-color:var(--v75-ink)}

.lead{font-size:17px!important;line-height:1.85!important;color:var(--v75-graphite)!important;background:transparent!important;border:0!important;border-left:2px solid var(--v75-ink)!important;border-radius:0!important;padding:2px 0 2px 22px!important;margin:0 0 44px!important}
.lead strong{color:var(--v75-ink)!important}

.toc{background:#f0f0ee!important;border:0!important;border-radius:0!important;padding:24px 26px!important;margin:0 0 40px!important}
.toc h3{margin:0 0 12px!important;font-size:12px!important;letter-spacing:.12em!important;text-transform:uppercase!important;color:var(--v75-steel)!important}
.toc ul{margin:0!important;padding-left:0!important;list-style:none!important}
.toc li{padding:5px 0!important;font-size:14px!important;margin:0!important}
.toc a{color:var(--v75-graphite)!important;text-decoration:none!important}
.toc a:hover{color:var(--v75-ink)!important}

.highlight{background:#e9e8e3!important;padding:2px 6px!important;border-radius:2px!important;font-weight:600!important;color:var(--v75-ink)!important}

table{width:100%!important;border-collapse:collapse!important;margin:24px 0 30px!important;font-size:15px!important}
th,td{border:0!important;border-bottom:1px solid var(--v75-hair)!important;padding:12px 10px!important;text-align:left!important;vertical-align:top!important;line-height:1.7!important}
th{background:#f0f0ee!important;color:var(--v75-ink)!important;font-weight:600!important;font-size:13px!important;letter-spacing:.02em!important}
td{color:#3f444b!important}

.case-box{background:#f0f0ee!important;border:0!important;border-left:2px solid var(--v75-ink)!important;border-radius:0!important;padding:24px 26px!important;margin:30px 0!important}
.case-box h4{margin:0 0 10px!important;color:var(--v75-ink)!important;font-size:17px!important}
.case-box p:last-child{margin-bottom:0!important}

.note{background:#f0f0ee;border-left:2px solid var(--v75-steel);padding:18px 22px;margin:26px 0;font-size:14.5px;color:#4a4f56}
.note p:last-child{margin-bottom:0!important}

.faq-item{border-top:1px solid var(--v75-hair);padding:22px 0}
.faq-item:last-child{border-bottom:1px solid var(--v75-hair)}
.faq-q{font-size:17px;font-weight:600;color:var(--v75-ink);margin:0 0 8px}
.faq-a{font-size:15.5px;line-height:1.85;color:#4a4f56}
.faq-a p:last-child{margin-bottom:0!important}

.author-box{background:#f0f0ee!important;border:0!important;border-left:2px solid var(--v75-ink)!important;border-radius:0!important;padding:28px 30px!important;margin:56px 0 0!important;display:block!important}
.author-box h4{margin:0 0 8px!important;font-size:18px!important;color:var(--v75-ink)!important}
.author-box p{font-size:14.5px!important;line-height:1.8!important;color:#4a4f56!important;margin-bottom:8px!important}
.author-box ul{margin:10px 0 8px!important}
.author-box li{font-size:14.5px!important;margin:4px 0!important}

.cta-box{background:var(--v75-dark)!important;color:#fff!important;border:0!important;border-radius:0!important;padding:40px 34px!important;margin:44px 0 0!important;text-align:left!important}
.cta-box h3{color:#fff!important;font-size:22px!important;margin:0 0 12px!important}
.cta-box p{color:#c9ccd2!important;font-size:14.5px!important;margin-bottom:8px!important}
.cta-box .phone{font-size:26px!important;font-weight:600!important;color:#fff!important;letter-spacing:.02em;margin:18px 0 8px!important}
.cta-box a{color:#fff!important}

.related{margin:56px 0 0;border-top:1px solid var(--v75-hair);padding-top:22px}
.related h2{font-size:18px!important;border:0!important;padding:0!important;margin:0 0 12px!important;letter-spacing:0!important}
.related a{display:block;padding:11px 0;border-bottom:1px solid var(--v75-hair-soft);text-decoration:none;font-size:15px;color:var(--v75-graphite)}
.related a:hover{color:var(--v75-ink)}
.related a span{color:var(--v75-steel);font-size:13px;margin-left:8px}

.site-foot{background:var(--v75-dark);color:#9aa0a9;padding:44px 24px}
.site-foot-inner{max-width:1220px;margin:0 auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12px;line-height:1.8}
.site-foot a{color:#c9ccd2;text-decoration:none}
.site-foot strong{color:#fff;font-weight:500}

@media(max-width:640px){
  .site-head-inner{padding:0 18px;height:56px}
  .site-nav{display:none}
  .container{padding:44px 20px 64px}
  h1{font-size:30px!important}
  h2{font-size:22px!important;margin-top:44px!important}
  .lead{font-size:15.5px!important;padding-left:16px!important}
  p,li{font-size:15.5px!important}
  .cta-box{padding:30px 24px!important}
  .cta-box .phone{font-size:22px!important}
  .author-box{padding:22px!important}
  table{font-size:14px!important}
  th,td{padding:10px 6px!important}
}