:root{--primary-blue: #1a73e8;--primary-blue-hover: #1765cc;--primary-blue-light: #e8f0fe;--success-green: #34a853;--warning-yellow: #fbbc04;--error-red: #ea4335;--text-primary: #202124;--text-secondary: #5f6368;--text-muted: #80868b;--border-light: #dadce0;--border-medium: #c4c7c5;--background-white: #ffffff;--background-light: #f8f9fa;--background-hover: #f1f3f4;--sidebar-width: 280px;--header-height: 64px;--shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);--shadow-md: 0 1px 3px 0 rgba(60, 64, 67, .3), 0 4px 8px 3px rgba(60, 64, 67, .15)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,Roboto,system-ui,-apple-system,sans-serif;color:var(--text-primary);background-color:var(--background-light);line-height:1.6}.help-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background-color:var(--background-white);border-bottom:1px solid var(--border-light);display:flex;align-items:center;padding:0 24px;z-index:1000;box-shadow:var(--shadow-sm)}.help-header-content{width:100%;max-width:1440px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.help-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-primary)}.help-logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--primary-blue),#0d47a1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}.help-logo-text{display:flex;flex-direction:column}.help-logo-text strong{font-size:16px;font-weight:600;color:var(--text-primary)}.help-logo-text span{font-size:13px;color:var(--text-secondary)}.help-search{flex:1;max-width:600px;position:relative}.help-search input{width:100%;padding:10px 16px 10px 44px;border:1px solid var(--border-light);border-radius:24px;font-size:14px;background-color:var(--background-light);transition:all .2s}.help-search input:focus{outline:none;background-color:var(--background-white);border-color:var(--primary-blue);box-shadow:0 0 0 3px var(--primary-blue-light)}.help-search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.help-header-actions{display:flex;align-items:center;gap:12px}.help-btn-admin{padding:8px 16px;border:1px solid var(--border-medium);border-radius:20px;background-color:var(--background-white);color:var(--text-primary);font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}.help-btn-admin:hover{background-color:var(--background-hover);border-color:var(--border-medium)}.help-btn-home{padding:8px 20px;border-radius:20px;background-color:var(--primary-blue);color:#fff;font-size:14px;font-weight:500;text-decoration:none;transition:background-color .2s}.help-btn-home:hover{background-color:var(--primary-blue-hover)}.help-layout{display:flex;padding-top:var(--header-height);min-height:100vh}.help-sidebar{position:fixed;top:var(--header-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--header-height));background-color:var(--background-white);border-right:1px solid var(--border-light);overflow-y:auto;padding:24px 0}.help-sidebar-section{margin-bottom:24px}.help-sidebar-section-title{padding:0 24px 8px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.help-sidebar-nav{list-style:none}.help-sidebar-nav-item{margin-bottom:4px}.help-sidebar-nav-link{display:flex;align-items:center;gap:12px;padding:10px 24px;text-decoration:none;color:var(--text-primary);font-size:14px;font-weight:500;transition:background-color .15s;border-left:3px solid transparent}.help-sidebar-nav-link:hover{background-color:var(--background-hover)}.help-sidebar-nav-link.active{color:var(--primary-blue);background-color:var(--primary-blue-light);border-left-color:var(--primary-blue)}.help-sidebar-nav-icon{font-size:18px;width:20px;text-align:center}.help-content{flex:1;margin-left:var(--sidebar-width);padding:40px 64px;max-width:1000px}.help-breadcrumbs{display:flex;align-items:center;gap:8px;margin-bottom:24px;font-size:14px;color:var(--text-secondary)}.help-breadcrumbs a{color:var(--text-secondary);text-decoration:none}.help-breadcrumbs a:hover{color:var(--primary-blue)}.help-breadcrumbs-separator{color:var(--text-muted)}.help-article{background-color:var(--background-white);border-radius:12px;padding:48px;box-shadow:var(--shadow-sm)}.help-article-header{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border-light)}.help-article-title{font-size:32px;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.help-article-meta{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--text-secondary)}.help-article-meta-item{display:flex;align-items:center;gap:6px}.help-article-body h2{font-size:24px;font-weight:600;margin:32px 0 16px;color:var(--text-primary)}.help-article-body h3{font-size:20px;font-weight:600;margin:24px 0 12px;color:var(--text-primary)}.help-article-body h4{font-size:16px;font-weight:600;margin:20px 0 8px;color:var(--text-primary)}.help-article-body p{margin-bottom:16px;color:var(--text-primary);font-size:15px;line-height:1.7}.help-article-body ul,.help-article-body ol{margin-bottom:16px;padding-left:28px}.help-article-body li{margin-bottom:8px;color:var(--text-primary);font-size:15px;line-height:1.7}.help-article-body strong{font-weight:600;color:var(--text-primary)}.help-article-body a{color:var(--primary-blue);text-decoration:none}.help-article-body a:hover{text-decoration:underline}.help-callout{padding:16px 20px;border-radius:8px;margin:24px 0;display:flex;gap:16px;font-size:14px;line-height:1.6}.help-callout-icon{font-size:20px;flex-shrink:0}.help-callout.info{background-color:var(--primary-blue-light);border-left:4px solid var(--primary-blue)}.help-callout.success{background-color:#e6f4ea;border-left:4px solid var(--success-green)}.help-callout.warning{background-color:#fef7e0;border-left:4px solid var(--warning-yellow)}.help-callout.error{background-color:#fce8e6;border-left:4px solid var(--error-red)}.help-code-block{margin:24px 0;border-radius:8px;overflow:hidden;background-color:#f8f9fa;border:1px solid var(--border-light)}.help-code-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background-color:#e8eaed;border-bottom:1px solid var(--border-light)}.help-code-title{font-size:13px;font-weight:500;color:var(--text-secondary)}.help-code-copy-btn{padding:4px 12px;border:none;background-color:transparent;color:var(--primary-blue);font-size:12px;font-weight:500;cursor:pointer;border-radius:4px;transition:background-color .15s}.help-code-copy-btn:hover{background-color:#1a73e81a}.help-code-content{padding:20px}.help-code-content code{font-family:Roboto Mono,Courier New,monospace;font-size:14px;line-height:1.6;color:var(--text-primary)}.help-article-body code{font-family:Roboto Mono,Courier New,monospace;font-size:13px;background-color:#f1f3f4;padding:2px 6px;border-radius:4px;color:#c7254e}.help-table-wrapper{overflow-x:auto;margin:24px 0;border-radius:8px;border:1px solid var(--border-light)}.help-table{width:100%;border-collapse:collapse;background-color:var(--background-white)}.help-table thead{background-color:var(--background-light)}.help-table th{padding:12px 16px;text-align:left;font-weight:600;font-size:13px;color:var(--text-secondary);border-bottom:2px solid var(--border-light)}.help-table td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border-light)}.help-table tbody tr:hover{background-color:var(--background-light)}.help-article-nav{display:flex;justify-content:space-between;margin-top:48px;padding-top:24px;border-top:1px solid var(--border-light);gap:16px}.help-article-nav-link{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--border-light);border-radius:8px;text-decoration:none;color:var(--text-primary);transition:all .2s;flex:1}.help-article-nav-link:hover{border-color:var(--primary-blue);background-color:var(--primary-blue-light)}.help-article-nav-link-label{font-size:12px;color:var(--text-secondary)}.help-article-nav-link-title{font-weight:600;font-size:14px}.help-article-nav-link.prev{text-align:left}.help-article-nav-link.next{text-align:right}.help-footer{margin-top:64px;padding:32px 0;border-top:1px solid var(--border-light);text-align:center;color:var(--text-secondary);font-size:14px}@media(max-width:1024px){.help-sidebar{width:240px}.help-content{margin-left:240px;padding:32px 40px}.help-article{padding:32px}}@media(max-width:768px){.help-sidebar{transform:translate(-100%);transition:transform .3s}.help-sidebar.open{transform:translate(0)}.help-content{margin-left:0;padding:24px 20px}.help-article{padding:24px 20px}.help-article-title{font-size:24px}.help-search,.help-logo-text span{display:none}}