:root{color-scheme:light;--help-bg:#f5f6f8;--help-paper:#fff;--help-ink:#252c38;--help-muted:#647083;--help-line:#e7eaf0;--help-blue:#2864dc;--help-blue-hover:#174fbe;--help-soft:#edf3ff;--help-error:#b32d40;background:var(--help-bg);color:var(--help-ink);font-family:Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif}html[data-theme=dark]{color-scheme:dark;--help-bg:#171c24;--help-paper:#212834;--help-ink:#e8ecf3;--help-muted:#a6b2c5;--help-line:#384252;--help-blue:#93b8ff;--help-blue-hover:#b4ceff;--help-soft:#2a3b58;--help-error:#ff9da9}*{box-sizing:border-box}body{margin:0}.help-site{background:var(--help-bg);min-width:0;min-height:100vh;color:var(--help-ink);font-size:15px;line-height:1.75}.help-site a{color:inherit;text-decoration:none}.help-site a:hover{color:var(--help-blue)}.help-site :is(h1,h2,h3,p){overflow-wrap:anywhere}.help-site h1{margin:0 0 12px;font-size:28px;font-weight:600;line-height:1.5}.help-site h2{margin:0 0 16px;font-size:20px;font-weight:600;line-height:1.55}.help-site h3{margin:0 0 8px;font-size:16px;font-weight:500}.help-site p{margin:0 0 16px}.help-site :is(button,input,textarea,select){font:inherit}.help-site button{cursor:pointer}.help-site button:disabled{opacity:.65;cursor:wait}.help-site :is(a,button,input,textarea,select):focus-visible{outline:3px solid var(--help-blue);outline-offset:3px}.help-sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.help-skip{z-index:100;background:var(--help-paper);padding:8px 16px;position:fixed;top:8px;left:8px;transform:translateY(-160%)}.help-skip:focus{transform:translateY(0)}.help-topbar{background:var(--help-paper);border-bottom:1px solid var(--help-line)}.help-topbar-inner{flex-wrap:wrap;align-items:center;gap:12px 18px;max-width:1240px;min-height:78px;margin:0 auto;padding:14px 28px;display:flex}.help-brand{white-space:nowrap;align-items:center;gap:10px;font-size:18px;font-weight:600;display:inline-flex}.help-brand>span{background:var(--help-blue);width:32px;height:32px;color:var(--help-paper);border-radius:9px;place-items:center;font:600 24px Georgia,serif;display:inline-grid}.help-nav{flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;display:flex}.help-nav a{align-items:center;min-height:44px;display:inline-flex}.help-nav a[aria-current=page]{color:var(--help-blue)}.help-nav .help-home{color:var(--help-muted);font-size:12px}.help-search{border:1px solid var(--help-line);background:var(--help-bg);border-radius:7px;flex:200px;align-items:stretch;min-width:0;margin:0;display:flex}.help-search input{width:100%;min-width:0;height:44px;color:var(--help-ink);background:0 0;border:0;border-radius:7px 0 0 7px;padding:8px 12px;font-size:14px}.help-search button{min-height:44px;color:var(--help-blue);background:0 0;border:0;border-radius:0 7px 7px 0;flex-shrink:0;padding:0 12px;font-size:13px}.help-site .filled-button{color:#fff;background:#2864dc;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;min-height:44px;padding:9px 18px;font-size:14px;font-weight:500;display:inline-flex}.help-site .filled-button:hover{color:#fff;background:#174fbe}.help-ask-link{white-space:nowrap}.help-account{flex-wrap:wrap;align-items:center;gap:8px 12px;min-width:0;max-width:310px;font-size:13px;display:flex}.help-account>a{align-items:center;min-height:44px;display:inline-flex}.help-account .help-account-name{white-space:nowrap;text-overflow:ellipsis;min-width:0;max-width:7em;line-height:44px;display:block;overflow:hidden}.help-account form{flex-wrap:wrap;align-items:center;min-width:0;max-width:100%;display:flex}.help-account .help-status{flex-basis:100%}.help-account .help-status:empty{display:none}.help-site .text-button{border:1px solid var(--help-line);min-height:44px;color:var(--help-muted);background:var(--help-paper);border-radius:5px;padding:6px 10px;font-size:13px}.help-site .text-button:hover{color:var(--help-blue);border-color:var(--help-blue)}.help-theme{border:1px solid var(--help-line);background:var(--help-paper);width:40px;min-height:44px;color:var(--help-muted);border-radius:6px;flex:0 0 40px;padding:0;font-size:23px!important}.help-main{width:min(1100px,100% - 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