.category-hero { padding: 46px 0 42px; background: var(--sky-soft); border-bottom: 1px solid #d2e6eb; }
.breadcrumb { margin-bottom: 18px; color: var(--muted); font-size: 13px; }
.breadcrumb a:hover { color: var(--primary); }
.category-hero .eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 13px; font-weight: 800; }
.category-hero h1 { margin: 0; font-size: 38px; line-height: 1.2; }
.category-hero > div > p:last-child { max-width: 800px; margin: 13px 0 0; color: #50636c; font-size: 16px; }

.category-body { padding: 56px 0 78px; background: #fff; }
.category-layout { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 54px; align-items: start; }
.category-main { min-width: 0; }
.category-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 17px; }
.category-section-heading h2 { margin: 0; font-size: 22px; }
.category-section-heading span { color: var(--muted); font-size: 13px; }

.subcategories { margin-bottom: 48px; }
.subcategories:not(:has(.subcategory-grid a)) { display: none; }
.subcategory-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.subcategory-grid:empty::after { grid-column: 1 / -1; padding: 18px; color: var(--muted); content: "当前栏目暂无下级分类"; background: var(--canvas); border: 1px dashed #bccbd0; border-radius: var(--radius); }
.subcategory-grid a { min-height: 104px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.subcategory-grid a:hover { border-color: #a9ccd5; box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.subcategory-grid strong, .subcategory-grid span { display: block; }
.subcategory-grid strong { color: var(--primary-dark); font-size: 15px; }
.subcategory-grid span { margin-top: 6px; color: var(--muted); font-size: 12px; }

.article-list { min-width: 0; padding-top: 4px; }
.article-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
    padding: 22px 0;
    border-top: 1px solid var(--line);
}
.article-row:last-of-type { border-bottom: 1px solid var(--line); }
.article-row__image { display: none; overflow: hidden; background: var(--sky-soft); border-radius: 6px; }
.article-row__image:not(:empty) { display: block; width: 210px; aspect-ratio: 3 / 2; }
.article-row__thumb { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .2s ease; }
.article-row:hover .article-row__thumb { transform: scale(1.025); }
.article-row__content { min-width: 0; }
.article-row__meta { display: flex; flex-wrap: wrap; gap: 5px 16px; margin: 0; color: var(--primary); font-size: 12px; }
.article-row__meta time, .article-row__meta span:last-child { color: var(--muted); }
.article-row h3 { margin: 6px 0; font-size: 18px; line-height: 1.5; }
.article-row h3 a:hover { color: var(--primary); }
.article-row__content > p:last-child { margin: 0; color: var(--muted); font-size: 13px; }
.article-row__more { display: inline-flex; gap: 6px; align-items: center; color: var(--primary-dark); font-size: 13px; font-weight: 800; white-space: nowrap; }
.article-row__more span { color: var(--accent); }
.empty-state { padding: 24px; color: var(--muted); background: var(--canvas); border: 1px dashed #bccbd0; border-radius: var(--radius); }
.article-row + .empty-state { display: none; }
.empty-state p { margin: 4px 0 0; }

.category-pager { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 26px; }
.category-pager ul { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.category-pager a, .category-pager span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: 6px 10px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 4px;
}
.category-pager a:hover, .category-pager a:focus-visible { color: var(--primary-dark) !important; background: var(--sky-soft) !important; border-color: var(--primary) !important; box-shadow: none !important; }
.category-pager .active, .category-pager .active > *, .category-pager [aria-current="page"], .category-pager [aria-current="page"] > *, .category-pager .current, .category-pager .current > *, .category-pager span.current {
    color: #fff !important;
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    box-shadow: none !important;
}

.category-sidebar { position: sticky; top: calc(var(--fixed-nav-height) + 18px); display: grid; gap: 18px; align-self: start; }
.category-aside {
    padding: 25px;
    background: var(--sky-soft);
    border: 1px solid #cfe4e9;
    border-radius: var(--radius);
}
.category-aside .section-label { margin: 0; color: var(--accent); font-size: 12px; font-weight: 800; }
.category-aside h2 { margin: 6px 0 13px; font-size: 20px; }
.category-aside ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.category-aside li { margin: 7px 0; }
.category-aside form { display: grid; gap: 8px; margin-top: 23px; }
.category-aside label { font-size: 13px; font-weight: 700; }
.category-aside input { width: 100%; height: 44px; padding: 0 11px; background: #fff; border: 1px solid #b9d2d8; border-radius: 4px; outline: 0; }
.category-aside input:focus { border-color: var(--primary); }
.category-aside button { height: 44px; color: #fff; background: var(--primary); border: 0; border-radius: 4px; font-weight: 800; }
.category-aside button:hover { background: var(--primary-dark); }
.category-aside__note { margin: 20px 0 0; padding-top: 17px; color: var(--muted); border-top: 1px solid #c8dee3; font-size: 12px; }
.category-recommended { padding: 22px 23px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.category-recommended .section-label { margin: 0; color: var(--accent); font-size: 12px; font-weight: 800; }
.category-recommended h2 { margin: 5px 0 12px; font-size: 19px; }
.category-recommended__list { border-top: 1px solid var(--line); }
.category-recommended__item { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); }
.category-recommended__item span, .category-recommended__item strong, .category-recommended__item small { display: block; }
.category-recommended__item span { color: var(--primary); font-size: 11px; }
.category-recommended__item strong { margin-top: 3px; font-size: 14px; line-height: 1.5; }
.category-recommended__item small { margin-top: 4px; color: var(--muted); font-size: 11px; }
.category-recommended__item:hover strong { color: var(--primary); }
.category-recommended__empty { margin: 14px 0 0; color: var(--muted); font-size: 12px; }
.category-recommended__item + .category-recommended__empty { display: none; }

@media (max-width: 900px) {
    .category-layout { grid-template-columns: 1fr; gap: 42px; }
    .category-sidebar { position: static; }
    .subcategory-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
    .category-hero { padding: 32px 0 30px; }
    .breadcrumb { margin-bottom: 14px; }
    .category-hero h1 { font-size: 30px; }
    .category-hero > div > p:last-child { font-size: 15px; }
    .category-body { padding: 42px 0 56px; }
    .category-section-heading { display: block; margin-bottom: 14px; }
    .category-section-heading h2 { font-size: 20px; }
    .category-section-heading span { display: block; margin-top: 4px; }
    .subcategories { margin-bottom: 38px; }
    .subcategory-grid a { min-height: 92px; padding: 13px; }
    .article-row { grid-template-columns: 1fr; gap: 12px; padding: 19px 0; }
    .article-row__image:not(:empty) { width: 100%; }
    .article-row h3 { font-size: 17px; }
    .article-row__more { min-height: 40px; }
    .category-aside { padding: 21px; }
    .category-recommended { padding: 20px; }
    .category-aside input { font-size: 16px; }
}

@media (max-width: 420px) {
    .subcategory-grid { grid-template-columns: 1fr; }
}