.collapsible-header{display: flex;align-items: center;justify-content: space-between;cursor: pointer;user-select: none;padding: 12px 16px;background: var(--color-background);border-radius: var(--border-radius-sm);margin-top: 16px;transition: background 0.2s;}.collapsible-header:hover{background: var(--color-info-bg);}.collapsible-header h3{margin: 0;font-size: var(--font-size-sm,14px);font-weight: var(--font-weight-semibold,600);color: var(--color-secondary);display: flex;align-items: center;gap: var(--spacing-sm);}.collapsible-arrow{font-size: var(--font-size-xs,12px);color: var(--color-text-secondary);transition: transform 0.2s;}.collapsible-content{display: none;padding: 16px 0 0 0;}.collapsible.open .collapsible-content{display: block;}.collapsible.open .collapsible-arrow{transform: rotate(90deg);}.field-group{margin-bottom: 20px;}.field-group-grid{display: grid;grid-template-columns: 1fr 1fr;gap: var(--spacing-sm);}@media (max-width: 575px){.field-group-grid{grid-template-columns: 1fr;}}.field-item{display: flex;align-items: baseline;gap: var(--spacing-sm);padding: var(--spacing-sm) var(--spacing-sm);background: var(--color-background);border-radius: 4px;font-size: var(--font-size-sm,14px);}.field-item .field-name{font-weight: var(--font-weight-semibold,600);color: var(--color-secondary);white-space: nowrap;}.field-item .field-desc{color: var(--color-text-secondary);font-size: var(--font-size-xs,12px);}.why-box{background: var(--color-success-bg);border-left: 3px solid var(--color-success);padding: 12px 16px;border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;margin: 16px 0;}.why-box h3{margin: 0 0 var(--spacing-sm);font-size: var(--font-size-sm,14px);font-weight: var(--font-weight-semibold,600);color: var(--color-secondary);}.why-box ul{margin: 0;padding-left: 18px;}.why-box li{font-size: var(--font-size-xs,12px);color: var(--color-text-secondary);margin-bottom: 4px;}.type-grid{display: grid;grid-template-columns: 1fr 1fr;gap: var(--spacing-sm);margin-top: var(--spacing-sm);}@media (max-width: 575px){.type-grid{grid-template-columns: 1fr;}}.type-tag{display: flex;align-items: center;gap: var(--spacing-sm);padding: var(--spacing-sm) 12px;background: var(--color-background);border: 1px solid var(--color-border);border-radius: 4px;font-size: var(--font-size-xs,12px);}.type-tag .type-icon{font-size: var(--font-size-lg,18px);flex-shrink: 0;}.type-tag .type-info{display: flex;flex-direction: column;gap: 2px;}.type-tag .type-code{font-weight: var(--font-weight-semibold,600);color: var(--color-secondary);font-family: monospace;font-size: var(--font-size-xs,12px);}.type-tag .type-label{color: var(--color-text-secondary);font-size: var(--font-size-xs,12px);}.guide-nav-row{display: flex;justify-content: space-between;gap: 12px;margin-top: 32px;}