:root{--help-ink:#202335;--help-muted:#62667a;--help-line:#e5e7ef;--help-accent:#5856d6;--help-paper:#f7f8fc;color-scheme:light}
.help-nav-shot img{width:100%;margin:auto}
.help-bottom-nav img{width:310px;margin:auto;border:0;border-radius:24px}
.help-phone-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start}
@media(min-width:721px){.help-sidebar-inner{max-height:calc(100vh - 48px);overflow-y:auto;scrollbar-width:thin}}
@media(max-width:560px){.help-phone-pair{grid-template-columns:1fr;gap:0}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--help-ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--help-accent);text-underline-offset:4px}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #aaa8fa;outline-offset:5px}.help-top{border-bottom:1px solid var(--help-line);background:#fff}.help-top-inner{max-width:1440px;margin:auto;padding:18px 32px;display:flex;align-items:center;gap:28px}.help-brand{display:flex;align-items:center;gap:12px;color:var(--help-ink);text-decoration:none;font-weight:700;white-space:nowrap}.help-brand img{width:34px;height:34px;border-radius:8px}.help-top nav{margin-left:auto;display:flex;align-items:center;gap:22px}.help-top nav a{font-size:14px;text-decoration:none;color:var(--help-muted)}.help-top .help-open{color:#fff;background:var(--help-accent);padding:8px 15px;border-radius:8px}.help-shell{max-width:1440px;margin:auto;display:grid;grid-template-columns:238px minmax(0,1fr);gap:60px;padding:34px 32px 80px}.help-sidebar{border-right:1px solid var(--help-line);padding-right:25px}.help-sidebar-inner{position:sticky;top:24px}.help-sidebar h2{font-size:13px;letter-spacing:.06em;color:var(--help-muted);margin:0 0 12px}.help-sidebar ul{padding:0;margin:0;list-style:none}.help-sidebar li{margin:4px 0}.help-sidebar a{display:block;border-radius:7px;padding:7px 11px;text-decoration:none;color:#4d5268;font-size:14px}.help-sidebar a:hover{background:var(--help-paper);color:var(--help-accent)}.help-sidebar a[aria-current=page]{background:#eeedff;color:#4643be;font-weight:650}.help-main{min-width:0;max-width:960px}.help-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--help-muted);margin:2px 0 26px}.help-breadcrumb a{color:var(--help-muted);text-decoration:none}.help-main h1{font-size:clamp(30px,3vw,42px);line-height:1.3;letter-spacing:-.035em;margin:0 0 18px;font-weight:720}.help-lead{font-size:18px;color:#585e72;max-width:790px;margin-bottom:30px}.help-meta{font-size:13px;color:var(--help-muted);margin:0 0 28px}.help-article{max-width:830px}.help-article h2{font-size:26px;line-height:1.45;margin:48px 0 18px;letter-spacing:-.02em}.help-article h3{font-size:19px;line-height:1.5;margin:28px 0 12px}.help-article p{margin:14px 0}.help-article ol,.help-article ul{padding-left:25px}.help-article li{padding-left:5px;margin:11px 0}.help-toc{background:var(--help-paper);border:1px solid var(--help-line);border-radius:12px;padding:18px 24px;margin:26px 0 36px}.help-toc summary{cursor:pointer;font-weight:650}.help-toc ul{margin:14px 0 2px;padding-left:20px}.help-toc li{margin:6px 0}.help-toc a{color:#4e5270;font-size:14px;text-decoration:none}.help-callout{padding:17px 22px;background:#f2f2ff;border-left:3px solid var(--help-accent);border-radius:0 8px 8px 0;margin:25px 0}.help-figure{margin:26px 0 34px}.help-figure a{display:block}.help-figure img{display:block;max-width:100%;height:auto;border:1px solid var(--help-line);border-radius:10px;background:var(--help-paper)}.help-figure figcaption{font-size:13px;color:var(--help-muted);margin-top:10px}.help-phone img{width:310px;margin:auto;border:0;border-radius:24px}.help-phone figcaption{text-align:center}.help-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin:32px 0}.help-card{padding:23px;border:1px solid var(--help-line);border-radius:12px;color:inherit;text-decoration:none;display:block;transition:border-color .15s,background .15s}.help-card:hover{border-color:#b6b3ee;background:#fafaff;text-decoration:none}.help-card h2{font-size:19px;margin:0 0 9px;line-height:1.5}.help-card p{color:var(--help-muted);margin:0;font-size:14px}.help-card .help-card-arrow{display:block;color:var(--help-accent);margin-top:13px;font-size:14px}.help-related{border-top:1px solid var(--help-line);padding-top:25px;margin-top:48px}.help-related h2{font-size:18px;margin:0 0 14px}.help-related ul{padding-left:20px}.help-footer{border-top:1px solid var(--help-line);padding:24px 32px;color:var(--help-muted);font-size:13px}.help-footer-inner{max-width:1376px;margin:auto;display:flex;gap:20px;flex-wrap:wrap}.help-footer a{color:inherit}.help-lang{font-size:13px}.help-table-wrap{overflow-x:auto;margin:25px 0}.help-table-wrap table{border-collapse:collapse;width:100%;font-size:14px}.help-table-wrap th,.help-table-wrap td{padding:12px 16px;text-align:left;vertical-align:top;border:1px solid var(--help-line)}.help-table-wrap th{background:var(--help-paper)}.help-skip{position:absolute;top:-80px;left:20px;padding:10px;background:#fff;z-index:999}.help-skip:focus{top:10px}@media(max-width:1000px){.help-shell{gap:32px;grid-template-columns:205px minmax(0,1fr);padding:28px 24px 60px}.help-top-inner{padding:16px 24px}.help-top nav{gap:16px}.help-brand span{font-size:15px}}@media(max-width:720px){html{scroll-padding-top:20px}.help-shell{display:block;padding:22px 20px 50px}.help-sidebar{border:0;padding:0;margin-bottom:30px}.help-sidebar-inner{position:static}.help-sidebar ul{display:flex;flex-wrap:wrap;gap:5px}.help-sidebar li{margin:0}.help-sidebar a{padding:5px 10px;border:1px solid var(--help-line);font-size:13px}.help-sidebar h2{margin-bottom:9px}.help-top-inner{padding:14px 20px;gap:16px}.help-top nav a:not(.help-open){display:none}.help-top nav{gap:0}.help-top .help-open{font-size:12px;padding:7px 10px}.help-brand{gap:9px}.help-brand img{width:29px;height:29px}.help-breadcrumb{margin-bottom:20px}.help-main h1{font-size:30px}.help-lead{font-size:16px}.help-cards{grid-template-columns:1fr;gap:12px}.help-card{padding:20px}.help-article h2{font-size:23px;margin-top:38px}.help-figure{margin:24px -2px}.help-phone img{width:min(310px,100%)}.help-footer{padding:22px 20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.help-card{transition:none}}@media print{.help-top nav,.help-sidebar,.help-related,.help-footer,.help-toc{display:none}.help-shell{display:block;padding:0}.help-main,.help-article{max-width:none}.help-figure img{max-height:650px;width:auto;margin:auto}.help-main h1{font-size:28px}.help-article h2{break-after:avoid}.help-figure{break-inside:avoid}body{font-size:12px}}