/* ============================================================
   肽活力 - 文章列表页专属样式
   复用 style.css 的变量和基础组件
   ============================================================ */

/* ---- 导航栏强制深色（列表页固定 scrolled 态） ---- */
.navbar.scrolled .navbar__logo { color: var(--navy); }
.navbar.scrolled .navbar__menu a { color: var(--text-mid); }
.navbar.scrolled .navbar__menu a:hover,
.navbar.scrolled .navbar__menu a.active { color: var(--coral); }
.navbar.scrolled .navbar__menu a.active::after { width: 100%; }
.navbar.scrolled .navbar__hamburger span { background: var(--navy); }

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
  position: relative;
  padding-top: 72px;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  height: calc(100% - 80px);
}
.page-hero__bg img { object-position: center 30%; }
.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(26,43,74,.82) 0%,
    rgba(26,43,74,.6) 55%,
    rgba(249,123,100,.3) 100%
  );
}
.page-hero__content {
  position: relative;
  z-index: 2;
  padding-top: 60px;
  padding-bottom: 56px;
  color: #fff;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255,255,255,.7);
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--coral); }
.breadcrumb i { font-size: .65rem; }
.breadcrumb span { color: rgba(255,255,255,.9); }

.page-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin: 16px 0 14px;
}
.page-hero__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.78);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

/* Hero 搜索框 */
.hero-search { max-width: 620px; }
.hero-search__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.14);
  border: 1.5px solid rgba(255,255,255,.3);
  border-radius: 100px;
  padding: 8px 8px 8px 22px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.hero-search__inner:focus-within {
  border-color: rgba(249,123,100,.7);
  background: rgba(255,255,255,.2);
  box-shadow: 0 0 0 4px rgba(249,123,100,.15);
}
.hero-search__inner > i {
  color: rgba(255,255,255,.6);
  font-size: .95rem;
  flex-shrink: 0;
}
.hero-search__inner input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: .95rem;
  color: #fff;
  font-family: var(--font);
}
.hero-search__inner input::placeholder { color: rgba(255,255,255,.5); }
.hero-search__hot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  font-size: .8rem;
  color: rgba(255,255,255,.55);
}
.hot-tag {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: .78rem;
  color: rgba(255,255,255,.8);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}
.hot-tag:hover {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

/* 底部统计栏 */
.page-hero__stats {
  position: relative;
  z-index: 2;
  background: var(--navy);
  margin-top: 0;
}
.page-hero__stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 22px 24px;
  flex-wrap: wrap;
}
.ph-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.ph-stat strong {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--coral);
  line-height: 1;
}
.ph-stat span {
  font-size: .78rem;
  color: rgba(255,255,255,.55);
}
.ph-stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.12);
}

/* ============================================================
   FEATURED ARTICLE
   ============================================================ */
.featured-section {
  padding: 56px 0 16px;
  background: var(--bg-soft);
}
.featured-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--coral);
  background: var(--coral-light);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.featured-card__img {
  position: relative;
  min-height: 380px;
  overflow: hidden;
}
.featured-card__img img { transition: transform .6s ease; }
.featured-card:hover .featured-card__img img { transform: scale(1.04); }
.featured-card__tag {
  position: absolute;
  top: 20px; left: 20px;
  background: var(--coral);
  color: #fff;
  font-size: .78rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: .05em;
}
.featured-card__body {
  padding: 44px 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text-light);
}
.meta-category { color: var(--coral); font-weight: 600; }
.meta-category i { color: var(--coral); }

.featured-card__title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 18px;
  flex: 1;
}
.featured-card__desc {
  font-size: .92rem;
  color: var(--text-mid);
  line-height: 1.85;
  margin-bottom: 28px;
}
.featured-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--coral-light);
}
.author-info strong {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-dark);
}
.author-info span {
  font-size: .78rem;
  color: var(--text-light);
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.articles-main {
  background: var(--bg-soft);
  padding: 48px 0 80px;
}
.articles-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 8px 8px 8px 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  flex-wrap: wrap;
  position: sticky;
  top: 80px;
  z-index: 100;
}
.filter-bar__tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.filter-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: .83rem;
  font-weight: 500;
  color: var(--text-mid);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}
.filter-tab:hover { background: var(--bg-soft); color: var(--text-dark); }
.filter-tab.active {
  background: var(--coral);
  color: #fff;
  font-weight: 600;
}
.tab-count {
  background: rgba(0,0,0,.08);
  border-radius: 100px;
  padding: 1px 7px;
  font-size: .72rem;
  font-weight: 700;
}
.filter-tab.active .tab-count { background: rgba(255,255,255,.25); }

.filter-bar__tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.sort-select {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--text-mid);
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  border: 1px solid var(--border);
}
.sort-select i { font-size: .75rem; color: var(--coral); }
.sort-select select {
  background: transparent;
  border: none;
  outline: none;
  font-size: .82rem;
  color: var(--text-dark);
  cursor: pointer;
  font-family: var(--font);
}
.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  padding: 3px;
  border: 1px solid var(--border);
}
.view-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .82rem;
  color: var(--text-light);
  transition: var(--transition);
}
.view-btn.active, .view-btn:hover {
  background: #fff;
  color: var(--coral);
  box-shadow: var(--shadow-sm);
}

/* 搜索结果提示 */
.search-result-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--coral-light);
  border: 1px solid rgba(249,123,100,.25);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: .88rem;
  color: var(--text-mid);
  margin-bottom: 20px;
}
.search-result-tip i { color: var(--coral); }
.search-result-tip strong { color: var(--text-dark); }
.clear-search {
  margin-left: auto;
  font-size: .8rem;
  color: var(--coral);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-family: var(--font);
}
.clear-search:hover { color: var(--coral-dark); }

/* ============================================================
   ARTICLES GRID
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  transition: var(--transition);
}

/* 列表视图 */
.articles-grid.list-view {
  grid-template-columns: 1fr;
}
.articles-grid.list-view .article-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  border-radius: var(--radius-lg);
}
.articles-grid.list-view .article-card__img { height: 100%; min-height: 180px; }
.articles-grid.list-view .article-card__body { padding: 24px 28px; }

/* ARTICLE CARD */
.article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  cursor: pointer;
}
.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(249,123,100,.2);
}
.article-card.hidden { display: none; }

.article-card__img {
  position: relative;
  height: 190px;
  overflow: hidden;
  flex-shrink: 0;
}
.article-card__img img { transition: transform .5s ease; }
.article-card:hover .article-card__img img { transform: scale(1.06); }

/* 分类徽章颜色 */
.article-cat-badge {
  position: absolute;
  top: 12px; left: 12px;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  color: #fff;
  background: var(--coral);
  letter-spacing: .04em;
}
.article-cat-badge--skin   { background: #E8A0BF; }
.article-cat-badge--sport  { background: #4ECDC4; }
.article-cat-badge--immune { background: #6C9EE8; }
.article-cat-badge--effect { background: #F6A35A; }
.article-cat-badge--life   { background: #7ABF74; }

/* 收藏按钮 */
.article-bookmark {
  position: absolute;
  top: 10px; right: 10px;
  width: 32px; height: 32px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(6px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: var(--text-light);
  transition: var(--transition);
  opacity: 0;
}
.article-card:hover .article-bookmark { opacity: 1; }
.article-bookmark:hover,
.article-bookmark.bookmarked { color: var(--coral); }
.article-bookmark.bookmarked i { font-weight: 900; }

.article-card__body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-meta-sm {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}
.article-meta-sm span {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .73rem;
  color: var(--text-light);
}
.article-meta-sm i { font-size: .65rem; }
.article-card__title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card:hover .article-card__title { color: var(--coral); }
.article-card__excerpt {
  font-size: .82rem;
  color: var(--text-mid);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
}
.article-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.a-tag {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 2px 10px;
  font-size: .68rem;
  color: var(--text-mid);
}
.article-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--coral);
  white-space: nowrap;
  transition: var(--transition);
}
.article-read-btn:hover { gap: 8px; }

/* ============================================================
   NO RESULTS
   ============================================================ */
.no-results {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-mid);
}
.no-results__icon {
  width: 72px; height: 72px;
  background: var(--coral-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--coral);
  margin: 0 auto 20px;
}
.no-results h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.no-results p { margin-bottom: 24px; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.page-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-mid);
  background: #fff;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}
.page-btn:hover:not(.disabled) {
  border-color: var(--coral);
  color: var(--coral);
  background: var(--coral-light);
}
.page-btn.disabled { opacity: .4; cursor: not-allowed; }
.page-numbers { display: flex; align-items: center; gap: 6px; }
.page-num {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-mid);
  background: #fff;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}
.page-num:hover { border-color: var(--coral); color: var(--coral); }
.page-num.active {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
  box-shadow: 0 4px 14px rgba(249,123,100,.35);
}
.page-dots {
  color: var(--text-light);
  font-size: .95rem;
  padding: 0 4px;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.articles-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 88px; }

.sidebar-widget {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.sidebar-widget__title {
  font-size: .92rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-soft);
}
.sidebar-widget__title i { color: var(--coral); font-size: .85rem; }

/* 侧边搜索 */
.sidebar-search {
  display: flex;
  gap: 0;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.sidebar-search:focus-within { border-color: var(--coral); }
.sidebar-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 10px 14px;
  font-size: .875rem;
  font-family: var(--font);
  color: var(--text-dark);
}
.sidebar-search button {
  padding: 10px 14px;
  background: var(--coral);
  color: #fff;
  font-size: .85rem;
  cursor: pointer;
  transition: var(--transition);
}
.sidebar-search button:hover { background: var(--coral-dark); }

/* 热门文章 */
.popular-list { display: flex; flex-direction: column; gap: 14px; }
.popular-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.popular-rank {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 800;
  background: var(--bg-soft);
  color: var(--text-light);
  border: 1px solid var(--border);
}
.popular-rank--1 { background: var(--coral); color: #fff; border-color: var(--coral); }
.popular-rank--2 { background: var(--navy); color: #fff; border-color: var(--navy); }
.popular-rank--3 { background: var(--mint); color: #fff; border-color: var(--mint); }
.popular-info { flex: 1; }
.popular-info a {
  font-size: .83rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
  transition: var(--transition);
}
.popular-info a:hover { color: var(--coral); }
.popular-info span {
  font-size: .72rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}
.popular-info span i { font-size: .65rem; }

/* 侧边分类 */
.sidebar-cats { display: flex; flex-direction: column; gap: 4px; }
.sidebar-cat-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  color: var(--text-mid);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  text-align: left;
}
.sidebar-cat-btn i { color: var(--coral); font-size: .82rem; width: 16px; }
.sidebar-cat-btn span {
  margin-left: auto;
  background: var(--bg-soft);
  border-radius: 100px;
  padding: 1px 8px;
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-light);
  border: 1px solid var(--border);
}
.sidebar-cat-btn:hover, .sidebar-cat-btn.active {
  background: var(--coral-light);
  color: var(--coral);
}
.sidebar-cat-btn.active span { background: var(--coral); color: #fff; border-color: var(--coral); }

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cloud-tag {
  padding: 5px 13px;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 500;
  background: var(--bg-soft);
  color: var(--text-mid);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}
.cloud-tag:hover, .cloud-tag.active {
  background: var(--coral);
  color: #fff;
  border-color: var(--coral);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(249,123,100,.25);
}

/* 侧边订阅 */
.sidebar-newsletter {
  background: linear-gradient(135deg, var(--coral) 0%, #FF9A8B 60%, #FFB347 100%) !important;
  border-color: transparent !important;
  text-align: center;
}
.sidebar-newsletter__icon {
  width: 52px; height: 52px;
  background: rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  margin: 0 auto 14px;
}
.sidebar-newsletter h4 {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}
.sidebar-newsletter p {
  font-size: .82rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 18px;
}
.sidebar-newsletter__form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar-newsletter__form input {
  background: rgba(255,255,255,.2);
  border: 1.5px solid rgba(255,255,255,.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: .875rem;
  color: #fff;
  font-family: var(--font);
  outline: none;
  text-align: center;
}
.sidebar-newsletter__form input::placeholder { color: rgba(255,255,255,.6); }
.sidebar-newsletter__form input:focus { border-color: rgba(255,255,255,.7); }
.sidebar-newsletter__form .btn {
  width: 100%;
  justify-content: center;
  background: #fff;
  color: var(--coral);
  font-weight: 700;
}
.sidebar-newsletter__form .btn:hover { background: var(--coral-light); }

/* ============================================================
   SCROLL PROGRESS + BACK TO TOP (reuse from style.css)
   ============================================================ */
/* 已在 style.css 定义，无需重复 */

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .articles-layout { grid-template-columns: 1fr 280px; gap: 28px; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__img { min-height: 260px; }
  .featured-card__body { padding: 28px 28px 28px; }
  .articles-layout { grid-template-columns: 1fr; }
  .articles-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .sidebar-newsletter { grid-column: 1 / -1; }
  .filter-bar { position: static; }
}

@media (max-width: 640px) {
  .page-hero__content { padding-top: 36px; padding-bottom: 36px; }
  .hero-search__inner { flex-direction: column; align-items: stretch; border-radius: var(--radius-lg); padding: 12px; gap: 8px; }
  .hero-search__inner input { padding: 8px 4px; }
  .hero-search__inner .btn { border-radius: var(--radius-sm); }
  .page-hero__stats-inner { gap: 20px; }
  .ph-stat-divider { display: none; }
  .articles-grid { grid-template-columns: 1fr; }
  .articles-grid.list-view .article-card { grid-template-columns: 1fr; }
  .featured-card__body { padding: 20px; }
  .featured-card__title { font-size: 1.2rem; }
  .articles-sidebar { grid-template-columns: 1fr; }
  .filter-bar__tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .filter-tab { flex-shrink: 0; }
  .filter-bar { flex-direction: column; align-items: stretch; border-radius: var(--radius-md); }
  .filter-bar__tools { justify-content: flex-end; }
}