.article-feature-section {
  background: linear-gradient(180deg, #f7fbff 0%, #fff 100%);
}

.article-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid #dcebf9;
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(8, 50, 110, .12);
}

.article-feature-image { min-height: 500px; overflow: hidden; }
.article-feature-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.article-feature-image:hover img { transform: scale(1.04); }
.article-feature-copy { display: flex; flex-direction: column; justify-content: center; padding: 55px; }
.article-feature-copy h2 { margin: 18px 0; font-size: clamp(2rem, 3vw, 3.25rem); line-height: 1.12; }
.article-feature-copy > p:not(.article-date) { color: #58677d; font-size: 1.06rem; line-height: 1.8; }

.article-badge {
  align-self: flex-start;
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: #e8f3ff;
  color: #075ccf;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.article-date { margin: 18px 0 0; color: #75859a; font-size: .87rem; }
.article-date i { margin-right: 6px; color: #075ccf; }
.article-read-button {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 13px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #075ccf, #1499f5);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(7, 92, 207, .22);
}
.article-read-button:hover { color: #fff; transform: translateY(-3px); box-shadow: 0 17px 35px rgba(7, 92, 207, .3); }

.article-highlight-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 26px; }
.article-highlight-card { display: grid; grid-template-columns: 190px 1fr; overflow: hidden; border: 1px solid #e0edf9; border-radius: 22px; background: #fff; box-shadow: 0 12px 35px rgba(7, 55, 115, .07); }
.article-highlight-card > a { min-height: 205px; overflow: hidden; }
.article-highlight-card img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.article-highlight-card:hover img { transform: scale(1.07); }
.article-highlight-card > div { padding: 24px; }
.article-highlight-card span { color: #075ccf; font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.article-highlight-card h3 { margin: 8px 0; font-size: 1.16rem; line-height: 1.4; }
.article-highlight-card h3 a { color: #08275c; }
.article-highlight-card p { margin: 0; color: #66758a; font-size: .9rem; line-height: 1.6; }

.article-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.article-card { overflow: hidden; border: 1px solid #dceaf7; border-radius: 24px; background: #fff; box-shadow: 0 15px 42px rgba(7, 50, 105, .08); transition: transform .35s, box-shadow .35s; }
.article-card:hover { transform: translateY(-9px); box-shadow: 0 25px 55px rgba(7, 50, 105, .15); }
.article-card-image { position: relative; display: block; height: 245px; overflow: hidden; }
.article-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.article-card:hover .article-card-image img { transform: scale(1.06); }
.article-card-image span { position: absolute; left: 18px; bottom: 18px; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.94); color: #075ccf; font-size: .73rem; font-weight: 800; }
.article-card-body { padding: 25px; }
.article-card-body .article-date { margin: 0 0 10px; }
.article-card-body h3 { font-size: 1.28rem; line-height: 1.4; }
.article-card-body h3 a { color: #08275c; }
.article-card-body > p:not(.article-date) { display: -webkit-box; overflow: hidden; color: #68778b; line-height: 1.7; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.article-card-link { display: inline-flex; gap: 8px; align-items: center; color: #075ccf; font-weight: 700; }
.article-empty { padding: 80px 30px; border: 1px dashed #b9d4ef; border-radius: 26px; text-align: center; background: #f6fbff; }
.article-empty i { display: block; margin-bottom: 20px; color: #168ee9; font-size: 56px; }

.article-detail-hero { position: relative; overflow: hidden; padding: 185px 0 90px; background: linear-gradient(135deg, #041c47, #075ccf 62%, #21a8f5); color: #fff; }
.article-detail-hero::after { position: absolute; right: -12%; bottom: -90%; width: 600px; height: 600px; border: 100px solid rgba(255,255,255,.07); border-radius: 50%; content: ''; }
.article-detail-hero .container { position: relative; z-index: 1; max-width: 1040px; }
.article-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 32px; color: #cdeaff; font-size: .86rem; }
.article-breadcrumb a { color: #fff; }
.article-breadcrumb i { font-size: .65rem; }
.article-detail-hero .article-badge { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.22); }
.article-detail-hero h1 { max-width: 950px; margin: 20px 0; color: #fff; font-size: clamp(2.35rem, 5vw, 4.6rem); line-height: 1.08; }
.article-detail-hero > .container > p { max-width: 790px; color: #d9edff; font-size: 1.15rem; line-height: 1.8; }
.article-detail-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 30px; color: #e8f5ff; }
.article-detail-meta span { display: inline-flex; gap: 8px; align-items: center; }

.article-detail-section { background: linear-gradient(180deg, #f4f9ff 0, #fff 260px); }
.article-detail-cover { display: block; width: 100%; height: min(610px, 56vw); margin: 0 auto 65px; border: 10px solid #fff; border-radius: 30px; object-fit: cover; box-shadow: 0 28px 70px rgba(4, 40, 90, .18); }
.article-detail-layout { align-items: flex-start; }
.article-body { color: #3e4d61; font-size: 1.05rem; line-height: 1.95; }
.article-body h2 { scroll-margin-top: 145px; margin: 48px 0 18px; padding-left: 18px; border-left: 5px solid #168ee9; color: #08275c; font-size: 1.85rem; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { scroll-margin-top: 145px; margin: 35px 0 14px; color: #0b4f9f; font-size: 1.35rem; }
.article-body p { margin-bottom: 22px; }
.article-body ul, .article-body ol { margin: 0 0 25px; padding-left: 24px; }
.article-body li { margin-bottom: 9px; }
.article-body blockquote { margin: 35px 0; padding: 28px 32px; border: 0; border-radius: 18px; background: #edf6ff; color: #0b4f9f; font-size: 1.14rem; font-weight: 600; }
.article-body img { max-width: 100%; border-radius: 18px; }

.article-sidebar-sticky { position: sticky; top: 145px; display: grid; gap: 24px; }
.article-sidebar-box { padding: 28px; border: 1px solid #deebf8; border-radius: 22px; background: #fff; box-shadow: 0 16px 45px rgba(7, 49, 104, .08); }
.article-sidebar-box > span, .article-sidebar-box > div > span { color: #168ee9; font-size: .73rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.article-sidebar-box h2 { margin: 4px 0 22px; font-size: 1.35rem; }
.toc-box { position: relative; padding-left: 78px; }
.sidebar-title-icon { position: absolute; top: 27px; left: 25px; display: grid; width: 40px; height: 40px; place-items: center; border-radius: 12px; background: #e8f4ff; color: #075ccf; }
.article-toc { display: grid; gap: 5px; margin-left: -53px; padding-top: 5px; }
.article-toc a { padding: 9px 12px; border-left: 2px solid #dbe9f6; color: #56677c; font-size: .9rem; line-height: 1.45; }
.article-toc a:hover { border-color: #168ee9; background: #f1f8ff; color: #075ccf; }
.article-toc .toc-subitem { padding-left: 27px; font-size: .84rem; }
.sidebar-article-list { display: grid; gap: 15px; }
.sidebar-article-list > a { display: grid; grid-template-columns: 82px 1fr; gap: 13px; align-items: center; }
.sidebar-article-list img { width: 82px; height: 68px; border-radius: 12px; object-fit: cover; }
.sidebar-article-list small { display: block; margin-bottom: 4px; color: #168ee9; font-size: .68rem; font-weight: 700; text-transform: uppercase; }
.sidebar-article-list strong { display: -webkit-box; overflow: hidden; color: #16345c; font-size: .86rem; line-height: 1.4; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.sidebar-all-link { display: inline-flex; gap: 7px; align-items: center; margin-top: 22px; color: #075ccf; font-size: .9rem; font-weight: 700; }
.article-share-box { display: flex; justify-content: space-between; align-items: center; margin-top: 48px; padding: 22px 25px; border-radius: 18px; background: #eef7ff; }
.article-share-box span { display: block; color: #708197; font-size: .75rem; }
.article-share-box a { display: inline-flex; gap: 8px; align-items: center; padding: 10px 16px; border-radius: 999px; background: #25d366; color: #fff; font-weight: 700; }
.article-related-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.article-related-strip a { position: relative; display: block; height: 260px; overflow: hidden; border-radius: 20px; box-shadow: 0 14px 38px rgba(8, 48, 100, .12); }
.article-related-strip img { width: 100%; height: 100%; object-fit: cover; transition: .55s; }
.article-related-strip span { position: absolute; right: 0; bottom: 0; left: 0; padding: 40px 20px 20px; background: linear-gradient(transparent, rgba(3,24,55,.9)); color: #fff; font-weight: 700; }
.article-related-strip a:hover img { transform: scale(1.07); }

@media (max-width: 991px) {
  .article-feature-grid { grid-template-columns: 1fr; }
  .article-feature-image { min-height: 400px; }
  .article-feature-copy { padding: 40px; }
  .article-card-grid { grid-template-columns: repeat(2, 1fr); }
  .article-sidebar-sticky { position: static; }
  .article-related-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .article-highlight-row, .article-card-grid, .article-related-strip { grid-template-columns: 1fr; }
  .article-highlight-card { grid-template-columns: 130px 1fr; }
  .article-highlight-card > a { min-height: 180px; }
  .article-feature-image { min-height: 300px; }
  .article-feature-copy { padding: 30px 24px; }
  .article-detail-hero { padding: 160px 0 70px; }
  .article-detail-cover { height: 330px; margin-bottom: 45px; border-width: 6px; border-radius: 22px; }
  .article-share-box { align-items: flex-start; flex-direction: column; gap: 18px; }
  .article-related-strip a { height: 230px; }
}