.help-section{margin-bottom:2rem}.help-section-title{color:var(--text-primary);align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.25rem;font-weight:600;display:flex}.help-section-title svg{color:var(--accent-primary);flex-shrink:0}.help-card{background:var(--bg-secondary);box-shadow:0 2px 8px var(--shadow);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.app-info{flex-direction:column;gap:1.5rem;display:flex}.app-logo-section{align-items:center;gap:1rem;display:flex}.app-logo{width:auto;height:40px}.app-logo-light{display:block}.app-logo-dark,.dark .app-logo-light{display:none}.dark .app-logo-dark{display:block}.app-version-badge{background:var(--accent-primary);color:#fff;border-radius:999px;padding:.25rem .75rem;font-size:.85rem;font-weight:600}.app-description{color:var(--text-secondary);line-height:1.6}.app-description p{margin-bottom:1rem}.source-list-help{flex-direction:column;gap:1rem;display:flex}.source-item-help{align-items:flex-start;gap:.75rem;display:flex}.source-icon{flex-shrink:0;margin-top:.15rem;font-size:1.5rem}.source-item-help div p{margin:.25rem 0 0}.about-layout{grid-template-columns:1fr 1fr;align-items:center;gap:2rem;display:grid}@media (max-width:768px){.about-layout{grid-template-columns:1fr}}.about-video{width:100%;box-shadow:0 4px 16px var(--shadow);border-radius:12px;padding-bottom:56.25%;position:relative;overflow:hidden}.about-video iframe{border:none;border-radius:12px;width:100%;height:100%;position:absolute;top:0;left:0}.about-actions{color:var(--text-secondary);flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:1.5rem;font-size:.9rem;display:flex}.source-item-help div strong{color:var(--text-primary)}.features-compact{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.4rem 1.5rem;margin:0;padding:0;list-style:none;display:grid}.features-compact li{color:var(--text-secondary);align-items:baseline;gap:.5rem;font-size:.9rem;line-height:1.6;display:flex}.features-compact li .feature-icon{flex-shrink:0}.features-compact li strong{color:var(--text-primary);white-space:nowrap}.features-compact li .feature-desc{color:var(--text-secondary);font-size:.85rem}.release-notes-list{flex-direction:column;gap:.75rem;display:flex}.release-note-card{background:var(--bg-secondary);box-shadow:0 2px 8px var(--shadow);border:1px solid var(--border);border-radius:12px;padding:1.25rem 1.5rem}.release-note-card.latest{border-left:3px solid var(--accent-primary)}.release-collapsible{padding:0}.release-collapsible .release-summary{cursor:pointer;-webkit-user-select:none;user-select:none;padding:1rem 1.5rem;list-style:none}.release-collapsible .release-summary::-webkit-details-marker{display:none}.release-collapsible .release-summary:after{content:"▶";color:var(--text-secondary);margin-left:auto;font-size:.65rem;transition:transform .2s}.release-collapsible[open] .release-summary:after{transform:rotate(90deg)}.release-collapsible .release-highlights{padding:0 1.5rem 1.25rem}.release-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.75rem;display:flex}.release-version{color:var(--text-primary);align-items:center;gap:.5rem;font-size:1.1rem;font-weight:700;display:flex}.latest-badge{background:var(--accent-primary);color:#fff;text-transform:uppercase;letter-spacing:.5px;border-radius:999px;padding:.15rem .5rem;font-size:.7rem;font-weight:600}.release-date{color:var(--text-secondary);font-size:.85rem}.release-highlights{margin:0;padding:0;list-style:none}.release-highlights li{color:var(--text-secondary);align-items:flex-start;gap:.5rem;padding:.3rem 0;font-size:.9rem;line-height:1.4;display:flex}.release-highlights li:before{content:"•";color:var(--accent-primary);flex-shrink:0;font-weight:700}.plans-teaser{flex-direction:column;gap:1rem;display:flex}.plans-teaser-plans{flex-wrap:wrap;align-items:center;gap:.35rem;font-size:.9rem;display:flex}.plans-teaser-plan{color:var(--text-primary);font-weight:600}.plans-teaser-featured{color:var(--accent-primary)}.plans-teaser-sep{color:var(--border-color)}.plans-teaser-desc{color:var(--text-secondary);margin:0;font-size:.9rem;line-height:1.6}.plans-teaser-cta{background:var(--accent-primary);color:#fff;border-radius:8px;align-self:flex-start;padding:.5rem 1.1rem;font-size:.875rem;font-weight:600;text-decoration:none;transition:opacity .2s;display:inline-block}.plans-teaser-cta:hover{opacity:.85;color:#fff;text-decoration:none}.support-links{flex-wrap:wrap;gap:1rem;margin-top:1rem;display:flex}.support-link{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border);border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.9rem;font-weight:500;text-decoration:none;transition:background .2s,border-color .2s;display:inline-flex}.support-link:hover{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}@media (max-width:640px){.features-compact{grid-template-columns:1fr}.release-header{flex-direction:column;align-items:flex-start}}