.catalog-families { display: flex; gap: 28px; margin: 0 0 28px; border-bottom: 1px solid #d7e0e1; scroll-margin-top: 100px; }
.catalog-families button { appearance: none; border: 0; border-bottom: 2px solid transparent; padding: 14px 2px; background: transparent; color: #65747a; font: inherit; font-size: 18px; font-weight: 600; cursor: pointer; }
.catalog-families button[aria-pressed="true"] { color: #315f69; border-bottom-color: #315f69; }
.catalog-families button:focus-visible { outline: 2px solid #315f69; outline-offset: 3px; }
[data-catalog-categories] [hidden] { display: none !important; }
.raw-applications-heading { grid-column: 1 / -1; margin: 28px 0 0; font-size: 24px; color: #263c40; }
.raw-application-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.raw-application-grid .application { min-height: 190px; border: 0; border-bottom: 1px solid #cdd8d1; background: transparent; border-radius: 0; }
.raw-application-grid .application-copy { padding: 20px 0 18px; }
.raw-application-grid .application h3 { min-height: 54px; font-size: 18px; line-height: 1.5; }
.raw-application-grid .application-copy > p { display: block; margin: 0 0 20px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.raw-application-grid .application-meta { margin-top: auto; }
.wechat-page .raw-application-grid .application-copy > p { display: block; font-size: 13px; }
.wechat-page .raw-application-grid .application { border-bottom: 1px solid #cdd8d1; }
.catalog-families button:disabled { cursor: wait; opacity: .65; }
.raw-material-contact { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding: 12px 0 18px; font-size: 14px; color: var(--muted); }
.raw-material-contact[hidden] { display: none !important; }
.raw-material-contact a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
@media(max-width: 820px) { .raw-application-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; } .raw-application-grid .application h3 { min-height: 48px; font-size: 16px; } }
@media(max-width: 600px) { .catalog-families { gap: 22px; margin-bottom: 18px; } .catalog-families button { font-size: 16px; min-height: 48px; } }