.feature-list{display: flex;flex-direction: column;gap: 16px;margin: 24px 0;}.feature-item{display: flex;gap: 16px;padding: 16px;background: var(--color-background);border-radius: 12px;align-items: flex-start;}.feature-icon{font-size: var(--font-size-5xl,28px);flex-shrink: 0;}.feature-content h4{margin: 0 0 var(--spacing-sm) 0;font-size: var(--font-size-sm,14px);color: var(--color-secondary);}.feature-content p{margin: 0;font-size: var(--font-size-xs,12px);color: var(--color-text-muted);}.architecture-two-paths{display: grid;grid-template-columns: 1fr 1fr;gap: 16px;margin: 16px 0;}.arch-path{border: 1px solid var(--color-border);border-radius: 12px;overflow: hidden;}.arch-path-title{font-size: var(--font-size-sm,14px);font-weight: var(--font-weight-semibold,600);padding: 10px 16px;background: var(--color-background);border-bottom: 1px solid var(--color-border);}@media (max-width: 575px){.architecture-two-paths{grid-template-columns: 1fr;}}.architecture-diagram{display: flex;flex-direction: column;align-items: center;gap: var(--spacing-sm);margin: 24px 0;padding: 24px;background: var(--color-background);border-radius: 12px;}.arch-level{width: 100%;max-width: 400px;}.arch-box{padding: 16px 20px;border-radius: var(--border-radius-sm);text-align: center;border: 2px solid;}.arch-box.primary{background: linear-gradient(135deg,var(--color-success) 0%,var(--color-success) 100%);border-color: var(--color-success);color: var(--color-white,var(--color-hero-text,#fff));}.arch-box.secondary{background: linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary) 100%);border-color: var(--color-primary);color: var(--color-white,var(--color-hero-text,#fff));}.arch-box.tertiary{background: linear-gradient(135deg,var(--color-warning) 0%,var(--color-warning) 100%);border-color: var(--color-warning);color: var(--color-white,var(--color-hero-text,#fff));}.arch-box.quaternary{background: linear-gradient(135deg,var(--color-info) 0%,var(--color-info) 100%);border-color: var(--color-info);color: var(--color-white,var(--color-hero-text,#fff));}.arch-box strong{display: block;font-size: var(--font-size-base,16px);margin-bottom: 4px;}.arch-box small{font-size: var(--font-size-xs,12px);opacity: 0.9;}.arch-arrow{font-size: var(--font-size-3xl,24px);color: var(--color-text-muted);font-weight: var(--font-weight-bold,700);}.recipients-grid{display: grid;grid-template-columns: repeat(auto-fit,minmax(250px,1fr));gap: 20px;margin: 24px 0;}.recipient-card{padding: 24px;border-radius: 12px;text-align: center;}.recipient-card.provider{background: linear-gradient(135deg,var(--color-info-bg) 0%,var(--color-info-bg) 100%);border: 1px solid var(--color-info-bg);}.recipient-card.user{background: linear-gradient(135deg,var(--color-error-bg) 0%,var(--color-background) 100%);border: 1px solid var(--color-error);}.recipient-icon{font-size: var(--font-size-7xl,40px);margin-bottom: 12px;}.recipient-card h3{margin: 0 0 var(--spacing-sm) 0;font-size: var(--font-size-base,16px);color: var(--color-secondary);}.recipient-card p{margin: 0;font-size: var(--font-size-xs,12px);color: var(--color-text);}.currency-example{text-align: center;padding: 24px;background: var(--color-background);border-radius: 12px;margin: 20px 0;}.currency-main{font-size: var(--font-size-6xl,32px);font-weight: var(--font-weight-bold,700);color: var(--color-secondary);margin-bottom: var(--spacing-sm);}.currency-secondary{font-size: var(--font-size-lg,18px);font-weight: var(--font-weight-medium,500);color: var(--color-text-muted);}.currency-list{margin: 16px 0;padding-left: 20px;}.currency-list li{margin-bottom: var(--spacing-sm);font-size: var(--font-size-sm,14px);}.statuses-list{display: flex;flex-direction: column;gap: 16px;margin: 24px 0;}.status-item{display: flex;align-items: center;gap: 16px;padding: 12px 16px;border-radius: var(--border-radius-sm);background: var(--color-background);}.library-status-cell{display: inline-block;min-width: 100px;text-align: center;}.status-item p{margin: 0;font-size: var(--font-size-sm,14px);color: var(--color-text);}.visibility-table{width: 100%;border-collapse: collapse;margin: 20px 0;background: var(--color-card-background);border-radius: var(--border-radius-sm);overflow: hidden;box-shadow: var(--shadow-sm,0 1px 3px rgba(0,0,0,0.1));}.visibility-table th,.visibility-table td{padding: 12px 16px;text-align: left;border-bottom: 1px solid var(--color-border);}.visibility-table th{background: var(--color-background);font-weight: var(--font-weight-semibold,600);font-size: var(--font-size-xs,12px);color: var(--color-text);}.visibility-table td{font-size: var(--font-size-sm,14px);}.note-block{border-radius: var(--border-radius-sm);padding: 16px;margin: 20px 0;font-size: var(--font-size-sm,14px);border: 1px solid;}.note-block.warning{background: var(--color-warning-bg);border-color: var(--color-warning);color: var(--color-warning-dark);}.note-block.info{background: var(--color-info-bg);border-color: var(--color-info);color: var(--color-info-dark);}.note-block:not(.warning):not(.info){background: var(--color-warning-bg);border-color: var(--color-warning);color: var(--color-warning-dark);}.format-list{margin: 16px 0;padding-left: 20px;}.format-list li{margin-bottom: var(--spacing-sm);font-size: var(--font-size-sm,14px);}.code-block{background: var(--color-background);border: 1px solid var(--color-border-light);border-radius: var(--border-radius-sm);padding: 16px;font-family: monospace;font-size: var(--font-size-xs,12px);overflow-x: auto;white-space: pre;margin: 16px 0;}@media (max-width: 575px){.feature-item{flex-direction: column;text-align: center;}.status-item{flex-direction: column;text-align: center;}.visibility-table{font-size: var(--font-size-xs,12px);}.visibility-table th,.visibility-table td{padding: var(--spacing-sm) var(--spacing-sm);}.arch-box{padding: 12px 16px;}.arch-box strong{font-size: var(--font-size-sm,14px);}}