.catalog-category-directory,
.catalog-category-directory * {
    box-sizing: border-box;
    font-family: Arial, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
.catalog-category-directory {
    padding-top: 28px;
    padding-bottom: 48px;
}
.catalog-category-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
}
.catalog-category-heading h1 {
    margin: 0;
    font-size: 25px;
    font-weight: 600;
    line-height: 1.4;
    color: #20232d;
}
.catalog-category-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: #85858e;
}
.catalog-category-breadcrumb a { color: #6d6d76; }
.catalog-category-section {
    margin-bottom: 16px;
    background: #fff;
    border: 1px solid #eceef2;
    border-radius: 4px;
    box-shadow: 0 1px 2px #20233205;
}
.catalog-category-section h2 {
    margin: 0;
    padding: 16px 20px;
    border-bottom: 1px solid #e8e8ec;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
}
.catalog-category-section h2:last-child { border-bottom: 0; }
.catalog-category-section a { color: #20232d; overflow-wrap: anywhere; }
.catalog-category-section a:hover { color: var(--color-main); }
.catalog-category-section a:focus-visible,
.catalog-category-breadcrumb a:focus-visible { outline: 3px solid #3b76bb; outline-offset: 3px; }
.catalog-category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px 36px;
    padding: 20px;
}
.catalog-category-group { min-width: 0; }
.catalog-category-group h3 { margin: 0 0 8px; font-size: 14px; font-weight: 600; line-height: 1.5; }
.catalog-category-group h3 a { display: inline-block; padding: 4px 0; }
.catalog-category-links { margin: 0; padding: 0; list-style: none; }
.catalog-category-links li { margin: 0; padding: 0; }
.catalog-category-links a { display: inline-block; padding: 5px 8px; font-size: 13px; line-height: 1.5; }
.catalog-category-empty { padding: 40px 20px; background: #fff; text-align: center; color: #777; }
@media (max-width: 1000px) {
    .catalog-category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
}
@media (max-width: 640px) {
    .catalog-category-directory { padding: 20px 12px calc(80px + env(safe-area-inset-bottom, 0px)); }
    .catalog-category-heading { display: block; margin-bottom: 20px; }
    .catalog-category-heading h1 { font-size: 24px; }
    .catalog-category-breadcrumb { margin-top: 8px; }
    .catalog-category-section h2 { padding: 14px 16px; }
    .catalog-category-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 12px 16px 20px; }
    .catalog-category-group h3 { margin-bottom: 0; }
    .catalog-category-group h3 a,
    .catalog-category-links a { display: flex; align-items: center; min-height: 44px; }
}