/* Shared Hezhi reading language for the existing standalone answer documents. */
:root{color-scheme:light;--answer-ink:#12231f;--answer-brand:#174b40;--answer-muted:#596963;--answer-paper:#f2f6f3;--answer-line:#d8e2dc}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--answer-ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:17px;line-height:1.9;text-rendering:optimizeLegibility}
main{width:min(100%,1000px);margin:0 auto;padding:48px 32px 88px}
main>header{margin:0 -32px 34px;padding:36px 32px 38px;background:var(--answer-paper);border-bottom:1px solid var(--answer-line)}
h1,h2{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-weight:650;letter-spacing:-.035em;text-wrap:pretty;overflow-wrap:break-word}
h1{max-width:900px;font-size:clamp(32px,3.6vw,46px);line-height:1.4;margin:16px 0 24px}
h2{font-size:26px;line-height:1.5;margin:42px 0 18px}
p{margin:16px 0;color:var(--answer-muted);font-size:17px;line-height:1.9}
a{color:var(--answer-brand);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
a:hover{color:#103a31}
a:focus-visible,summary:focus-visible{outline:3px solid #578f7c;outline-offset:4px}
.kicker{color:var(--answer-brand);font-size:14px;font-weight:600;line-height:1.6;letter-spacing:.035em}
.lead{max-width:880px;margin-bottom:0;color:#4f6259;font-size:18px;line-height:1.9}
.card{margin:30px 0;padding:24px 28px;background:var(--answer-paper);border:1px solid var(--answer-line);border-left:3px solid var(--answer-brand)}
.card h2{font-size:24px;margin:0 0 14px;line-height:1.5}
.card p:last-child{margin-bottom:0}
ul,ol{margin:16px 0 30px;padding-left:1.5em}
li{margin:9px 0;padding-left:4px;color:var(--answer-muted);font-size:17px;line-height:1.9}
li::marker{color:var(--answer-brand)}
details{padding:0;border-top:1px solid var(--answer-line)}
summary{min-height:48px;padding:16px 0;color:var(--answer-ink);font-size:18px;font-weight:600;line-height:1.7;cursor:pointer}
summary::marker{color:var(--answer-brand)}
details p{margin:0 0 20px;padding-left:20px}
.faq{margin:0;padding:0;border:0}
.cta,.related{display:inline-flex;align-items:center;justify-content:center;max-width:100%;min-height:48px;margin:16px 12px 0 0;padding:10px 18px;border-radius:2px;text-decoration:none;font-size:16px;font-weight:600;line-height:1.6}
.cta{background:var(--answer-brand);color:#fff;white-space:nowrap}
.cta:hover{background:#103a31;color:#fff}
.related{background:#fff;border:1px solid #a9c0b1;color:var(--answer-brand)}
.authority-sources{margin-top:42px;background:#fff;border-left:1px solid var(--answer-line)}
.authority-sources ul{margin-bottom:20px;list-style:none;padding:0}
.authority-sources li{padding:12px 0;margin:0;border-bottom:1px solid var(--answer-line)}
.authority-sources p{font-size:16px}
hr{border:0;border-top:1px solid var(--answer-line);margin:42px 0}
section[lang="en"]{padding-top:4px}
section[lang="en"] h2{font-size:26px;line-height:1.5;letter-spacing:-.02em}
@media(max-width:600px){
 main{padding:0 22px 64px}
 main>header{margin:0 -22px 28px;padding:36px 22px 30px}
 h1{font-size:32px;line-height:1.45;margin:16px 0 22px}
 h2{font-size:25px;line-height:1.5;margin-top:34px}
 .kicker{font-size:14px;letter-spacing:0}
 .lead{font-size:17px;line-height:1.9}
 .card{padding:22px 20px;margin:26px 0}
 .card h2{font-size:23px}
 p,li{font-size:17px}
 summary{font-size:18px}
 details p{padding-left:0}
 .authority-sources p{font-size:16px}
 .cta,.related{margin-right:8px}
 section[lang="en"] h2{font-size:25px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* A small brand landmark above the preserved standalone article. */
.answerSiteHeader{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(100%,1000px);min-height:76px;margin:0 auto;padding:10px 32px;background:#fff;border:0;border-bottom:1px solid var(--answer-line)}
.answerSiteHeader .answerBrand{display:inline-flex;align-items:center;flex-shrink:0;min-height:44px;text-decoration:none}
.answerSiteHeader .answerBrand img{display:block;width:168px;height:56px;object-fit:contain}
.answerSiteHeader nav{display:flex;align-items:center;gap:8px;flex-shrink:0}
.answerSiteHeader nav a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:6px;color:var(--answer-brand);font-size:16px;font-weight:600;line-height:1.5;text-decoration:none;white-space:nowrap}
.answerSiteHeader nav a:hover{background:var(--answer-paper)}
@media(max-width:600px){.answerSiteHeader{min-height:72px;padding:10px 20px;gap:12px}.answerSiteHeader .answerBrand img{width:156px;height:52px}.answerSiteHeader nav{gap:6px}}
@media(max-width:360px){.answerSiteHeader{padding-inline:16px;gap:8px}.answerSiteHeader .answerBrand img{width:124px;height:42px}}