/* KeyCenter blog (loaded after shop.css) */
.blog-head { margin: 4px 0 20px; max-width: 760px; }
.blog-head__eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; color: var(--accent-ink); background: var(--accent-soft); padding: 5px 12px; border-radius: 999px; margin-bottom: 12px; }
.blog-head h1 { font-size: 1.75rem; margin-bottom: 8px; }
.blog-head p { color: var(--sub); margin: 0; }
.blog-tabs { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin-bottom: 22px; padding-bottom: 2px; }
.blog-tabs::-webkit-scrollbar { display: none; }
.blog-tabs a { flex: none; display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--text); font-size: .84rem; }
.blog-tabs a:hover { border-color: #cfd5dc; color: var(--ink); }
.blog-tabs a.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.blog-tabs small { font-size: .72rem; opacity: .65; }

.bgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; list-style: none; margin: 0; padding: 0; }
.bgrid > li { min-width: 0; }
.bgrid__lead { grid-column: 1 / -1; }
.bgrid__lead .bcard { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
.bgrid__lead .bcard__img { aspect-ratio: auto; height: 100%; min-height: 300px; }
.bgrid__lead .bcard__body { padding: 30px 32px; justify-content: center; }
.bgrid__lead .bcard__title { font-size: 1.35rem; -webkit-line-clamp: 3; }
.bgrid__lead .bcard__desc { -webkit-line-clamp: 4; }
.bcard { display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; color: var(--text);
  transition: box-shadow .24s var(--ease), transform .24s var(--ease), border-color .18s; }
.bcard:hover { color: var(--text); border-color: #d5dae1; box-shadow: var(--sh-2); transform: translateY(-3px); }
.bcard__img { aspect-ratio: 1200 / 630; background: linear-gradient(135deg, #fff6ea, #f6f7f9); overflow: hidden; }
.bcard__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.bcard:hover .bcard__img img { transform: scale(1.03); }
.bcard__body { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px 20px; flex: 1; }
.bcard__meta { display: flex; align-items: center; gap: 10px; font-size: .76rem; color: var(--sub); }
.bcard__title { font-size: 1rem; line-height: 1.6; margin: 0; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bcard__desc { font-size: .84rem; color: var(--sub); line-height: 1.8; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bgrid--3 .bcard__title { font-size: .93rem; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 28px; align-items: start; }
.article { padding: 40px 48px 36px; border-radius: 18px; }
.article__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; font-size: .8rem; color: var(--sub); margin-bottom: 14px; }
.article__meta span { display: inline-flex; align-items: center; gap: 5px; }
.article__title { font-size: 1.85rem; line-height: 1.5; margin-bottom: 22px; letter-spacing: .03em; }
.article__cover { margin: 0 -8px 28px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); }
.article__cover img { width: 100%; height: auto; }
.article__body { font-size: 1rem; line-height: 2.05; }
.article__body > p { margin-bottom: 1.4em; }
.article__body h2 { font-size: 1.32rem; margin: 2.6em 0 .9em; padding: 0 0 12px; border-left: 0; border-bottom: 2px solid var(--line); position: relative; scroll-margin-top: 80px; }
.article__body h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 72px; height: 2px; background: var(--accent); }
.article__body h3 { font-size: 1.1rem; margin: 2em 0 .7em; padding-left: 12px; border-left: 4px solid var(--accent); line-height: 1.5; scroll-margin-top: 80px; }
.article__body figure { margin: 2em 0; }
.article__body figure img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.article__body figcaption { font-size: .8rem; color: var(--sub); text-align: center; margin-top: 8px; }
.article__body .note { background: #fffaf3; border: 1px solid #f6e3c6; border-radius: 12px; padding: 18px 22px; }
.article__body .note > :last-child { margin-bottom: 0; }
.article__body .note ul { margin-bottom: 0; }
.article__body table.cmp, .article__body table.spec { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .9rem; border: 1px solid var(--line); border-radius: 12px; margin: 1.4em 0; display: block; overflow-x: auto; }
.article__body table.cmp th, .article__body table.cmp td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; min-width: 7em; }
.article__body table.cmp thead th { background: var(--ink); color: #fff; font-weight: 700; }
.article__body table.cmp tbody tr:nth-child(even) td { background: #fafbfc; }
.article__body table.cmp tr:last-child td { border-bottom: 0; }
.article__body code { font-family: var(--mono); font-size: .86em; background: var(--line-2); border-radius: 5px; padding: 2px 6px; letter-spacing: 0; }
.article__body pre { background: #0f1720; color: #e6edf3; border-radius: 12px; padding: 18px 20px; overflow-x: auto; line-height: 1.7; margin: 1.4em 0; }
.article__body pre code { background: none; padding: 0; color: inherit; font-size: 13px; }
.article__body a { text-decoration: underline; text-decoration-color: rgba(10, 91, 181, .3); text-underline-offset: 3px; }
.article__body a:hover { text-decoration-color: currentColor; }
.article__author { display: flex; gap: 16px; align-items: flex-start; margin-top: 40px; padding: 22px; border-radius: 14px; background: var(--bg); }
.article__author b { display: block; color: var(--ink); margin-bottom: 4px; }
.article__author p { margin: 0; font-size: .86rem; color: var(--sub); line-height: 1.8; }
.article-side { position: sticky; top: 76px; display: grid; gap: 16px; }
.toc { padding: 18px 20px; }
.toc__title { font-size: .78rem; font-weight: 700; letter-spacing: .08em; color: var(--sub); margin: 0 0 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: flex; gap: 10px; padding: 7px 8px; border-radius: 8px; font-size: .84rem; line-height: 1.6; color: var(--text); }
.toc a::before { content: counter(toc, decimal-leading-zero); flex: none; min-width: 1.7em; white-space: nowrap; overflow-wrap: normal; color: var(--accent-h); font-weight: 700; font-size: .75rem; padding-top: 2px; }
.toc a:hover { background: var(--bg); color: var(--ink); }
.toc--inline { display: none; background: var(--bg); border-radius: 12px; margin: 0 0 28px; }
.side-cats { padding: 18px 20px; }
.side-cats a { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 10px; font-size: .86rem; color: var(--ink); }
.side-cats a:hover { background: var(--bg); color: var(--ink); }
.side-cats .chev { margin-left: auto; color: var(--faint); }

@media (max-width: 1080px) {
  .bgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: minmax(0, 1fr) 250px; }
  .article { padding: 32px 32px 28px; }
}
@media (max-width: 860px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; }
  .article-side .toc { display: none; }
  .toc--inline { display: block; }
  .bgrid__lead .bcard { display: flex; }
  .bgrid__lead .bcard__img { min-height: 0; aspect-ratio: 1200 / 630; }
  .bgrid__lead .bcard__body { padding: 18px 20px 20px; }
}
@media (max-width: 640px) {
  .blog-head h1 { font-size: 1.35rem; }
  .bgrid { grid-template-columns: 1fr; gap: 14px; }
  .bgrid__lead .bcard__title { font-size: 1.1rem; }
  .article { padding: 22px 18px 24px; border-radius: 14px; }
  .article__title { font-size: 1.38rem; }
  .article__cover { margin: 0 -18px 22px; border-radius: 0; border-left: 0; border-right: 0; }
  .article__body { font-size: .96rem; line-height: 2; }
  .article__body h2 { font-size: 1.16rem; }
  .article__body pre { margin-left: -18px; margin-right: -18px; border-radius: 0; }
}