:root{--rh-red:#a92f33;--rh-dark:#2c2b2b;--rh-muted:#666462;--rh-bg:#f2f0ec;--rh-white:#fff;--rh-line:#dcd7d1;--rh-tint:#f8eae6}*{box-sizing:border-box}body{margin:0;background:var(--rh-bg);color:var(--rh-dark);font:16px Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}p{line-height:1.85}a{color:inherit;text-underline-offset:5px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--rh-red);outline-offset:5px}code{font:inherit;font-family:ui-monospace,monospace;overflow-wrap:anywhere}.rh-app{max-width:1540px;margin:auto;display:grid;grid-template-columns:182px minmax(0,1fr);min-height:100vh}.rh-rail{background:var(--rh-red);color:#fff;padding:35px 27px;align-self:start;position:sticky;top:0;min-height:100vh}.rh-brand{display:block;font-size:35px;letter-spacing:-1px;font-weight:650;line-height:1;text-decoration:none;white-space:nowrap}.rh-brand span{font-size:23px;margin-left:5px;font-weight:400}.rh-rail-note{font-size:10px;letter-spacing:.06em;color:#f3d5d1;margin-top:15px;line-height:1.7}.rh-desktop-nav{display:grid;gap:15px;margin-top:63px}.rh-desktop-nav a,.rh-desktop-nav span{padding:11px 0;text-decoration:none;font-size:13px;border-bottom:1px solid #c56767}.rh-desktop-nav [aria-current]{font-weight:700;color:#fff}.rh-rail-about{display:block;margin-top:65px;font-size:10px;color:#f4d8d5}.rh-mobile-nav{display:none}.rh-content{padding:30px 35px 0;min-width:0}.rh-skip{position:absolute;left:10px;top:-100px;z-index:50;background:#fff;padding:12px}.rh-skip:focus{top:10px}.rh-workspace{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:stretch;background:#fff;padding:34px}.rh-intro{min-width:0;padding:9px 0}.rh-kicker{font-size:10px;line-height:1.7;letter-spacing:.1em;font-weight:600;color:var(--rh-red)}.rh-intro h1{font-size:65px;letter-spacing:-.04em;font-weight:600;line-height:1.15;margin-top:26px}.rh-intro h1 span{display:block;font-size:24px;line-height:1.55;letter-spacing:-.02em;font-weight:500;margin-top:14px}.rh-intro-answer{font-size:14px;color:var(--rh-muted);margin-top:24px;max-width:410px}.rh-task-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}.rh-task-links a{display:block;padding:17px 16px;border:1px solid var(--rh-line);text-decoration:none;border-radius:3px;background:#fff}.rh-task-links a:first-child{background:var(--rh-red);border-color:var(--rh-red);color:#fff}.rh-task-links strong{font-size:14px;font-weight:600;display:block}.rh-task-links span{font-size:10px;display:block;line-height:1.65;margin-top:7px}.rh-task-links a:hover{box-shadow:0 2px 10px #35242012}.rh-photo{margin:0;overflow:hidden;border-radius:3px;min-height:405px}.rh-photo img{display:block;width:100%;height:100%;object-fit:cover;object-position:51% 50%}.rh-diagnosis{padding:42px 0}.rh-diagnosis h2,.rh-library h2{font-size:27px;font-weight:500;line-height:1.5;margin-top:11px;letter-spacing:-.025em}.rh-diagnostic-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:25px;align-items:start}.rh-diagnostic-options details{border:1px solid var(--rh-line);background:#fff;border-radius:3px;overflow:hidden}.rh-diagnostic-options summary{font-size:14px;line-height:1.7;cursor:pointer;padding:19px 21px;font-weight:600}.rh-diagnostic-options details[open] summary{color:var(--rh-red);background:var(--rh-tint)}.rh-diagnostic-options details>div{padding:22px 21px 24px}.rh-diagnostic-options h3{font-size:19px;font-weight:500;line-height:1.6}.rh-diagnostic-options p{font-size:13px;color:var(--rh-muted);margin-top:13px}.rh-action{display:inline-block;font-size:12px;font-weight:600;color:var(--rh-red);margin-top:21px}.rh-reference{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;border-top:1px solid var(--rh-line);border-bottom:1px solid var(--rh-line);padding:30px 0}.rh-reference h2{font:25px ui-monospace,monospace;margin-top:14px}.rh-reference p{font-size:13px;color:var(--rh-muted);margin-top:12px}.rh-current-note{border-left:3px solid #cfa29a;padding-left:23px}.rh-current-note strong{font-size:13px}.rh-current-note a{display:inline-block;font-size:11px;margin-top:16px;color:var(--rh-red)}.rh-library{padding:40px 0}.rh-guides{margin-top:25px;display:grid;grid-template-columns:1fr 1fr;gap:23px}.rh-guide-entry,.rh-index-entry{display:block;text-decoration:none;background:#fff;padding:26px;border-radius:3px;border-bottom:3px solid #cdbeb6}.rh-tag{font-size:10px;color:var(--rh-red);font-weight:600}.rh-guides h3,.rh-guides h2{font-size:21px;line-height:1.65;font-weight:500;margin-top:13px}.rh-guides p{font-size:13px;color:var(--rh-muted);margin-top:13px}.rh-guides time{display:block;font-size:10px;color:var(--rh-muted);margin-top:18px}.rh-entry-link{font-size:12px;text-decoration:underline;display:block;margin-top:22px}.rh-guide-entry:hover,.rh-index-entry:hover{border-color:var(--rh-red)}.rh-privacy-note{padding:26px 29px;background:#e7e5df;border-radius:3px;margin-bottom:35px;display:grid;grid-template-columns:210px 1fr;gap:12px 30px}.rh-privacy-note strong{font-size:15px;line-height:1.8;font-weight:600}.rh-privacy-note p{font-size:12px;color:var(--rh-muted)}.rh-privacy-note a{grid-column:2;font-size:11px}.rh-footer{border-top:1px solid var(--rh-line);padding:30px 0;display:grid;grid-template-columns:1fr auto;gap:20px}.rh-footer strong{font-size:20px;font-weight:600}.rh-footer p span{font-size:10px;display:block;color:var(--rh-muted);margin-top:8px}.rh-footer nav{display:flex;gap:20px;align-items:center;font-size:10px}.rh-footer nav a{text-decoration:none}.rh-footer small{grid-column:1/-1;font-size:9px;color:var(--rh-muted)}.rh-inner{padding:0 0 35px}.rh-crumb{font-size:10px;line-height:1.8;color:var(--rh-muted)}.rh-page-heading{padding:35px 0 29px;max-width:850px}.rh-page-heading h1{font-size:37px;font-weight:500;line-height:1.5;letter-spacing:-.03em;margin-top:15px}.rh-page-heading>p:last-child{font-size:14px;color:var(--rh-muted);margin-top:17px}.rh-answer{padding:23px 25px;background:#fff;border-left:3px solid var(--rh-red);font-size:18px;line-height:1.9;max-width:900px}.rh-reading-block{max-width:850px;padding-top:32px}.rh-reading-block h2,.rh-help-cases h2,.rh-legal h2{font-size:24px;font-weight:500;line-height:1.6;margin-bottom:17px}.rh-reading-block p,.rh-help-cases p,.rh-legal p{font-size:15px}.rh-reading-block p+p,.rh-legal p+p{margin-top:18px}.rh-help-cases{max-width:860px;display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}.rh-help-cases section{background:#fff;padding:25px}.rh-help-cases h2{font-size:22px}.rh-reader{max-width:920px;margin:auto;padding-bottom:40px}.rh-article-heading{max-width:790px;padding:35px 0 29px}.rh-article-heading h1{font-size:38px;font-weight:500;line-height:1.55;letter-spacing:-.03em;margin-top:15px}.rh-article-heading>p:last-of-type{font-size:15px;color:var(--rh-muted);margin-top:17px}.rh-article-heading time{display:block;font-size:11px;color:var(--rh-muted);margin-top:19px}.rh-article-body{max-width:790px;font-size:16px}.rh-article-body .rh-answer{font-size:17px}.rh-check-table{margin:28px 0 34px;background:#fff;padding:4px 25px}.rh-check-table>div{display:grid;grid-template-columns:180px 1fr;gap:25px;padding:18px 0;border-bottom:1px solid var(--rh-line)}.rh-check-table>div:last-child{border-bottom:0}.rh-check-table dt{font-size:13px;line-height:1.8;font-weight:600}.rh-check-table dd{margin:0}.rh-check-table strong{font-size:13px;font-weight:500}.rh-check-table p{font-size:12px;color:var(--rh-muted);margin-top:6px}.rh-article-body>section{margin-top:32px}.rh-article-body h2{font-size:25px;font-weight:500;line-height:1.6;margin-bottom:19px}.rh-article-body p+p{margin-top:20px}.rh-related{background:var(--rh-tint);padding:23px 25px;border-radius:3px;margin-top:33px}.rh-related h2{font-size:14px;margin-bottom:12px;font-weight:600}.rh-related p{font-size:14px}.rh-article-body .rh-sources{border-top:1px solid var(--rh-line);padding-top:23px}.rh-sources h2{font-size:12px;margin-bottom:12px}.rh-sources p{font-size:11px;color:var(--rh-muted)}.rh-index-note{font-size:14px;margin-top:28px}.rh-legal{max-width:850px}.rh-legal section{margin-top:29px}.rh-missing{min-height:65vh;padding-top:50px}.rh-missing h1{font-size:37px;font-weight:500;margin-top:20px;line-height:1.5}.rh-missing>p:not(.rh-kicker){font-size:15px;margin-top:22px;max-width:720px}.rh-missing .rh-task-links{max-width:600px}
@media(max-width:1150px){.rh-app{grid-template-columns:160px minmax(0,1fr)}.rh-rail{padding:30px 22px}.rh-brand{font-size:30px}.rh-brand span{font-size:20px}.rh-content{padding:25px 25px 0}.rh-workspace{padding:25px;gap:25px;grid-template-columns:1.12fr 1fr}.rh-intro h1{font-size:52px}.rh-intro h1 span{font-size:22px}.rh-task-links{grid-template-columns:1fr}.rh-task-links a{padding:13px 16px}.rh-task-links span{margin-top:4px}.rh-photo{min-height:440px}.rh-diagnostic-options{gap:12px}.rh-diagnostic-options summary{padding:17px 15px;font-size:13px}.rh-diagnostic-options details>div{padding:19px 15px}.rh-reference{gap:25px}.rh-privacy-note{grid-template-columns:1fr;gap:12px}.rh-privacy-note a{grid-column:auto}}
@media(max-width:760px){.rh-app{display:block}.rh-rail{position:relative;min-height:0;height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 22px}.rh-brand{font-size:29px}.rh-brand span{font-size:21px}.rh-rail-note,.rh-desktop-nav,.rh-rail-about{display:none}.rh-mobile-nav{display:block;position:relative;font-size:12px}.rh-mobile-nav summary{padding:10px 0;cursor:pointer}.rh-mobile-nav nav{position:absolute;right:0;top:40px;min-width:150px;z-index:10;background:var(--rh-red);border:1px solid #d08481;padding:12px;display:grid;gap:4px}.rh-mobile-nav nav a,.rh-mobile-nav nav span{padding:9px;text-decoration:none}.rh-content{padding:22px 22px 0}.rh-workspace{display:flex;flex-direction:column;padding:0;background:transparent;gap:23px}.rh-intro{padding:2px 0 0}.rh-kicker{font-size:10px;letter-spacing:.06em}.rh-intro h1{font-size:48px;margin-top:18px}.rh-intro h1 span{font-size:23px;margin-top:12px}.rh-intro-answer{font-size:13px;margin-top:18px}.rh-task-links{grid-template-columns:1fr 1fr;margin-top:22px;gap:11px}.rh-task-links a{padding:15px 13px}.rh-task-links strong{font-size:13px}.rh-task-links span{font-size:10px;margin-top:6px}.rh-photo{min-height:0;height:240px}.rh-photo img{object-position:50% 50%}.rh-diagnosis{padding:32px 0}.rh-diagnosis h2,.rh-library h2{font-size:25px;margin-top:10px}.rh-diagnostic-options{display:block;margin-top:22px}.rh-diagnostic-options details+details{margin-top:12px}.rh-diagnostic-options summary{padding:17px 19px;font-size:14px}.rh-diagnostic-options details>div{padding:20px}.rh-diagnostic-options h3{font-size:20px}.rh-diagnostic-options p{font-size:13px}.rh-reference{grid-template-columns:1fr;padding:26px 0;gap:22px}.rh-reference h2{font-size:23px;margin-top:12px}.rh-reference p{font-size:12px}.rh-current-note{padding-left:17px}.rh-current-note strong{font-size:12px}.rh-current-note a{font-size:11px;margin-top:13px}.rh-library{padding:30px 0}.rh-guides{grid-template-columns:1fr;gap:17px;margin-top:21px}.rh-guide-entry,.rh-index-entry{padding:23px}.rh-guides h3,.rh-guides h2{font-size:21px;margin-top:11px}.rh-guides p{font-size:12px}.rh-entry-link{font-size:12px;margin-top:19px}.rh-privacy-note{padding:22px;margin-bottom:29px}.rh-privacy-note strong{font-size:14px}.rh-privacy-note p{font-size:12px}.rh-footer{display:block;padding:26px 0 29px}.rh-footer strong{font-size:20px}.rh-footer p span{font-size:10px}.rh-footer nav{font-size:10px;gap:24px;margin-top:22px}.rh-footer small{display:block;font-size:9px;margin-top:22px}.rh-page-heading{padding:27px 0 24px}.rh-page-heading h1{font-size:29px;margin-top:14px}.rh-page-heading>p:last-child{font-size:13px;margin-top:14px}.rh-answer{font-size:16px;padding:21px}.rh-reading-block{padding-top:28px}.rh-reading-block h2,.rh-help-cases h2,.rh-legal h2{font-size:23px;margin-bottom:16px}.rh-reading-block p,.rh-help-cases p,.rh-legal p{font-size:14px}.rh-help-cases{grid-template-columns:1fr;gap:18px;margin-top:25px}.rh-help-cases section{padding:22px}.rh-help-cases h2{font-size:22px}.rh-article-heading{padding:28px 0 24px}.rh-article-heading h1{font-size:29px;line-height:1.6;margin-top:13px}.rh-article-heading>p:last-of-type{font-size:14px;margin-top:16px}.rh-article-heading time{font-size:10px;margin-top:17px}.rh-article-body{font-size:15px}.rh-article-body .rh-answer{font-size:16px}.rh-check-table{padding:2px 21px;margin:24px 0 29px}.rh-check-table>div{grid-template-columns:1fr;gap:9px;padding:19px 0}.rh-check-table dt{font-size:13px;color:var(--rh-red)}.rh-check-table strong{font-size:13px}.rh-check-table p{font-size:12px}.rh-article-body>section{margin-top:28px}.rh-article-body h2{font-size:23px;margin-bottom:17px}.rh-related{padding:21px;margin-top:29px}.rh-related h2{font-size:14px}.rh-related p{font-size:13px}.rh-sources p{font-size:10px}.rh-index-note{font-size:13px}.rh-missing{padding-top:35px}.rh-missing h1{font-size:32px}.rh-missing>p:not(.rh-kicker){font-size:14px}}