.help-shell{--primary:#137fec;--primary-light:#ebf4fd;--primary-muted:#d0e8fb;--bg:#f6f7f8;--surface:#fff;--text:#111418;--text-secondary:#617589;--border:#e5e7eb;--sidebar-w:264px;--header-h:56px;--toc-w:220px;font-family:var(--site-font-family,"Manrope", system-ui, -apple-system, BlinkMacSystemFont, sans-serif);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}.help-shell *,.help-shell :before,.help-shell :after{box-sizing:border-box}.help-shell html{scroll-behavior:smooth}.help-header{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:100;align-items:center;gap:16px;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}.help-header-logo{min-width:calc(var(--sidebar-w) - 20px);flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.help-logo-mark{object-fit:cover;border-radius:7px;width:28px;height:28px;display:block}.help-logo-text{color:var(--text);font-size:14px;font-weight:700;line-height:1.2}.help-logo-sub{color:var(--text-secondary);font-size:11px;font-weight:500}.help-header-search{flex:1;max-width:460px;position:relative}.help-header-search input{background:var(--bg);border:1px solid var(--border);width:100%;height:34px;color:var(--text);border-radius:8px;outline:none;padding:0 12px 0 36px;font-family:inherit;font-size:13px;transition:border-color .15s,box-shadow .15s}.help-header-search input:focus{border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px #137fec1f}.help-header-search input::placeholder{color:var(--text-secondary)}.help-search-icon{color:var(--text-secondary);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.help-header-right{flex-shrink:0;align-items:center;gap:8px;margin-left:auto;display:flex}.help-lang-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:7px;align-items:center;gap:6px;padding:6px 10px;font-family:inherit;font-size:12px;font-weight:600;transition:all .15s;display:flex}.help-lang-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.help-menu-btn{border:1px solid var(--border);cursor:pointer;width:34px;height:34px;color:var(--text-secondary);background:0 0;border-radius:7px;justify-content:center;align-items:center;display:none}.help-layout{padding-top:var(--header-h);min-height:100vh;display:flex}.help-sidebar{width:var(--sidebar-w);top:var(--header-h);border-right:1px solid var(--border);background:var(--surface);scrollbar-width:thin;scrollbar-color:var(--border) transparent;flex-direction:column;flex-shrink:0;gap:18px;padding:20px 16px 60px;display:flex;position:fixed;bottom:0;left:0;overflow-y:auto}.help-nav-group-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:6px;padding:0 8px;font-size:10px;font-weight:700}.help-nav-group{flex-direction:column;gap:2px;display:flex}.help-nav-link{color:var(--text-secondary);border-radius:7px;align-items:center;gap:10px;padding:7px 10px;font-size:13.5px;font-weight:500;line-height:1.35;text-decoration:none;transition:all .12s;display:flex}.help-nav-link:hover{background:var(--bg);color:var(--text)}.help-nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}.help-nav-link svg{opacity:.7;flex-shrink:0}.help-nav-link.active svg{opacity:1}.help-main{margin-left:var(--sidebar-w);flex:1;max-width:100%;display:flex}.help-content{flex:1;min-width:0;max-width:760px;padding:40px 48px 80px}.help-breadcrumb{color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:28px;font-size:12px;display:flex}.help-breadcrumb a{color:var(--text-secondary);text-decoration:none}.help-breadcrumb a:hover{color:var(--primary)}.help-breadcrumb-sep{color:var(--border)}.help-article-meta{border-bottom:1px solid var(--border);margin-bottom:32px;padding-bottom:24px}.help-article-badge{background:var(--primary-light);color:var(--primary);letter-spacing:.04em;text-transform:uppercase;border-radius:20px;align-items:center;gap:5px;margin-bottom:14px;padding:4px 10px;font-size:11px;font-weight:700;display:inline-flex}.help-article-title{color:var(--text);letter-spacing:-.5px;margin-bottom:12px;font-size:30px;font-weight:800;line-height:1.18}.help-article-lede{color:var(--text-secondary);margin-bottom:14px;font-size:16px;line-height:1.6}.help-article-info{color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:16px;font-size:12.5px;display:flex}.help-article-info span{align-items:center;gap:5px;display:flex}.help-prose h2{color:var(--text);letter-spacing:-.3px;scroll-margin-top:calc(var(--header-h) + 16px);margin:40px 0 14px;font-size:20px;font-weight:700}.help-prose h3{color:var(--text);scroll-margin-top:calc(var(--header-h) + 16px);margin:26px 0 8px;font-size:15.5px;font-weight:700}.help-prose p{color:#374151;margin-bottom:16px;font-size:15px;line-height:1.75}.help-prose ul,.help-prose ol{margin:0 0 16px;padding-left:22px}.help-prose li{color:#374151;margin-bottom:6px;font-size:15px;line-height:1.75}.help-prose ul ul,.help-prose ol ul{margin-top:6px;margin-bottom:4px}.help-prose strong{color:var(--text);font-weight:600}.help-prose em{color:var(--text);font-style:italic}.help-prose a{color:var(--primary);font-weight:500;text-decoration:none}.help-prose a:hover{text-decoration:underline}.help-prose code{background:var(--primary-light);color:#0f4d8a;border-radius:4px;padding:1px 6px;font-family:SF Mono,Fira Code,ui-monospace,monospace;font-size:.88em}.help-prose hr{border:none;border-top:1px solid var(--border);margin:40px 0}.help-callout{border-radius:10px;gap:12px;margin:20px 0;padding:14px 16px;font-size:14px;line-height:1.6;display:flex}.help-callout-icon{flex-shrink:0;margin-top:1px;font-size:16px;line-height:1.4}.help-callout-title{margin-bottom:4px;font-weight:700;display:block}.help-callout-body{color:inherit}.help-callout-body p:last-child{margin-bottom:0}.help-callout-info{background:var(--primary-light);color:#1e4d7b;border:1px solid var(--primary-muted)}.help-callout-success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.help-callout-tip{color:#92400e;background:#fffbeb;border:1px solid #fde68a}.help-callout-warning{color:#9a3412;background:#fff7ed;border:1px solid #fed7aa}.help-callout strong{font-weight:700}.help-steps{flex-direction:column;gap:0;margin:24px 0;display:flex}.help-step{gap:16px;padding-bottom:24px;display:flex;position:relative}.help-step:last-child{padding-bottom:0}.help-step-number{background:var(--primary);color:#fff;z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:700;display:flex;position:relative}.help-step:not(:last-child) .help-step-number:after{content:"";background:var(--border);width:1px;height:calc(100% - 4px);position:absolute;top:28px;left:50%;transform:translate(-50%)}.help-step-body{flex:1;padding-top:3px}.help-step-title{color:var(--text);margin-bottom:6px;font-size:15px;font-weight:700}.help-step-desc{color:#374151;font-size:14px;line-height:1.65}.help-step-desc p{margin-bottom:8px;font-size:14px}.help-step-desc p:last-child{margin-bottom:0}.help-related{border-top:1px solid var(--border);margin-top:56px;padding-top:28px}.help-related-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:14px;font-size:12px;font-weight:700}.help-related-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.help-related-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:flex-start;gap:12px;padding:14px;text-decoration:none;transition:all .15s;display:flex}.help-related-card:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:0 2px 12px #137fec14}.help-related-icon{background:var(--primary-light);width:32px;height:32px;color:var(--primary);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.help-related-cat{letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:3px;font-size:10.5px;font-weight:700}.help-related-name{color:var(--text);margin-bottom:3px;font-size:13.5px;font-weight:600;line-height:1.35}.help-related-desc{color:var(--text-secondary);font-size:12.5px;line-height:1.45}.help-feedback{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:12px;margin-top:48px;padding:20px 0;display:flex}.help-feedback-label{color:var(--text-secondary);font-size:13px;font-weight:600}.help-feedback-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:7px;align-items:center;gap:6px;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s;display:flex}.help-feedback-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.help-feedback-meta{color:var(--text-secondary);margin-left:auto;font-size:12px}.help-toc{width:var(--toc-w);top:var(--header-h);max-height:calc(100vh - var(--header-h));flex-shrink:0;align-self:flex-start;padding:44px 24px 40px;position:sticky;overflow-y:auto}.help-toc-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:10px;font-size:10px;font-weight:700}.help-toc-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.help-toc-item a{color:var(--text-secondary);border-left:2px solid #0000;padding:4px 0 4px 10px;font-size:12.5px;line-height:1.4;text-decoration:none;transition:all .12s;display:block}.help-toc-item a:hover{color:var(--text);border-left-color:var(--border)}.help-toc-item.active a{color:var(--primary);border-left-color:var(--primary);font-weight:600}.help-toc-item.toc-h3 a{padding-left:22px;font-size:12px}.help-hub-hero{text-align:center;background:linear-gradient(180deg, var(--primary-light) 0%, var(--bg) 100%);border-bottom:1px solid var(--border);padding:56px 20px 44px}.help-hub-eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:12px;font-size:11px;font-weight:700;display:inline-block}.help-hub-title{letter-spacing:-.8px;color:var(--text);margin-bottom:12px;font-size:38px;font-weight:800;line-height:1.15}.help-hub-subtitle{color:var(--text-secondary);max-width:560px;margin:0 auto 28px;font-size:16px;line-height:1.6}.help-hub-search{max-width:520px;margin:0 auto;position:relative}.help-hub-search input{background:var(--surface);border:1px solid var(--border);width:100%;height:48px;color:var(--text);border-radius:10px;outline:none;padding:0 16px 0 46px;font-family:inherit;font-size:15px;transition:border-color .15s,box-shadow .15s;box-shadow:0 4px 16px #0f172a0d}.help-hub-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #137fec26}.help-hub-search-icon{color:var(--text-secondary);pointer-events:none;position:absolute;top:50%;left:16px;transform:translateY(-50%)}.help-hub-body{max-width:1080px;margin:0 auto;padding:48px 32px 80px}.help-hub-results{margin-bottom:40px}.help-hub-results-list{gap:12px;display:grid}.help-hub-result{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s;display:block}.help-hub-result:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:0 6px 24px #137fec14}.help-hub-result-category{background:var(--primary-light);color:var(--primary);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;align-items:center;margin-bottom:10px;padding:4px 8px;font-size:11px;font-weight:700;display:inline-flex}.help-hub-result-title{color:var(--text);letter-spacing:-.2px;margin-bottom:4px;font-size:16px;font-weight:700}.help-hub-result-desc{color:var(--text-secondary);font-size:13.5px;line-height:1.55}.help-hub-empty{background:var(--surface);border:1px dashed var(--border);color:var(--text-secondary);border-radius:14px;margin:0;padding:18px 20px;font-size:14px}.help-hub-section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:18px;font-size:13px;font-weight:700}.help-hub-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:56px;display:grid}.help-hub-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;padding:22px;transition:all .15s;display:flex}.help-hub-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 6px 24px #137fec14}.help-hub-card-icon{background:var(--primary-light);width:40px;height:40px;color:var(--primary);border-radius:10px;justify-content:center;align-items:center;margin-bottom:14px;display:flex}.help-hub-card-title{color:var(--text);letter-spacing:-.2px;margin-bottom:6px;font-size:16px;font-weight:700}.help-hub-card-desc{color:var(--text-secondary);margin-bottom:14px;font-size:13.5px;line-height:1.55}.help-hub-card-links{flex-direction:column;gap:4px;margin:0 0 8px;padding:0;list-style:none;display:flex}.help-hub-card-links a{color:var(--text);padding:4px 0;font-size:13.5px;font-weight:500;text-decoration:none;transition:color .12s;display:block}.help-hub-card-links a:hover{color:var(--primary)}.help-hub-card-count{color:var(--text-secondary);margin-top:auto;padding-top:12px;font-size:12px;font-weight:600}.help-hub-popular{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;display:grid}.help-hub-popular a{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:flex-start;gap:12px;padding:14px 16px;text-decoration:none;transition:all .15s;display:flex}.help-hub-popular a:hover{border-color:var(--primary);box-shadow:0 2px 12px #137fec14}.help-hub-popular-icon{background:var(--primary-light);width:32px;height:32px;color:var(--primary);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.help-hub-popular-title{color:var(--text);margin-bottom:2px;font-size:13.5px;font-weight:600}.help-hub-popular-desc{color:var(--text-secondary);font-size:12px}.help-drawer-overlay{z-index:200;opacity:0;background:#0006;transition:opacity .2s;display:none;position:fixed;inset:0}.help-drawer-overlay.open{opacity:1;display:block}.help-sidebar.drawer-open{box-shadow:4px 0 24px #0000001f;transform:translate(0)!important}@media (width<=1100px){.help-toc{display:none}.help-content{max-width:100%;padding:32px 36px 60px}}@media (width<=768px){.help-shell{--sidebar-w:280px}.help-sidebar{z-index:210;padding-top:16px;transition:transform .25s cubic-bezier(.4,0,.2,1);transform:translate(-100%)}.help-main{margin-left:0}.help-content{padding:24px 20px 60px}.help-article-title{font-size:24px}.help-hub-title{font-size:28px}.help-hub-body{padding:32px 20px 60px}.help-hub-result{padding:16px}.help-header-logo .help-logo-sub{display:none}.help-menu-btn{display:flex}.help-header-search{display:none}.help-related-grid{grid-template-columns:1fr}}@media (width<=480px){.help-content{padding:20px 16px 60px}.help-hub-hero{padding:40px 16px 32px}.help-hub-title{font-size:24px}.help-hub-result-category{font-size:10px}}