.kx-bgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.kx-bcard { position: relative; display: flex; flex-direction: column; overflow: hidden; border-radius: 24px; transition: transform var(--kx-ease), box-shadow var(--kx-ease); }
.kx-bcard:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(20, 24, 40, .1); }
.kx-bcard__media { display: block; aspect-ratio: 1200 / 630; overflow: hidden; background: var(--kx-soft2); }
.kx-bcard__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.4, 0, .2, 1); }
.kx-bcard:hover .kx-bcard__media img { transform: scale(1.04); }
.kx-bcard__ph { display: grid; place-items: center; width: 100%; height: 100%; background: linear-gradient(135deg, #e5e7eb, #f3f4f6); color: #9ca3af; font-size: 34px; }
.kx-bcard__body { display: flex; flex: 1; flex-direction: column; gap: 10px; padding: 20px 22px 22px; }
.kx-bcard__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--kx-muted); font-size: 13px; }
.kx-bcard__meta span::before { content: "•"; margin-right: 14px; }
.kx-bcard__title { margin: 0; font-size: 19px; font-weight: 700; line-height: 1.35; letter-spacing: -.02em; }
.kx-bcard__title a { color: var(--kx-ink); text-decoration: none; }
.kx-bcard__title a::after { content: ""; position: absolute; inset: 0; }
.kx-bcard__text { display: -webkit-box; margin: 0; overflow: hidden; color: var(--kx-text); font-size: 14.5px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.kx-bcard__more { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 6px; color: var(--kx-ink); font-size: 14px; font-weight: 600; }
.kx-bcard--hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); margin-bottom: 24px; }
.kx-bcard--hero .kx-bcard__media { aspect-ratio: auto; min-height: 340px; }
.kx-bcard--hero .kx-bcard__body { justify-content: center; padding: 34px 38px; }
.kx-bcard--hero .kx-bcard__title { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.03em; }
.kx-bcard--hero .kx-bcard__text { font-size: 16px; -webkit-line-clamp: 4; }
.kx-bcard--hero .kx-bcard__more { margin-top: 8px; }

.kx-post { max-width: 1120px; margin: 0 auto; }
.kx-post__head { max-width: 820px; margin: 8px auto 26px; text-align: center; }
.kx-post__head h1 { margin: 0; font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; line-height: 1.12; letter-spacing: -.04em; }
.kx-post__lead { margin: 16px auto 0; max-width: 680px; color: var(--kx-text); font-size: 18px; line-height: 1.6; }
.kx-post__meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 18px; margin-top: 20px; color: var(--kx-muted); font-size: 14px; }
.kx-post__meta > span { display: inline-flex; align-items: center; gap: 6px; }
.kx-post__share { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border: 1px solid var(--kx-line); border-radius: 999px; background: var(--kx-soft2); color: var(--kx-ink); font: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer; }
.kx-post__share:hover { background: #fff; }
.kx-post__cover { margin: 0 0 28px; overflow: hidden; border-radius: 28px; box-shadow: 0 18px 50px rgba(20, 24, 40, .12); }
.kx-post__cover img { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; }
.kx-post__grid { display: grid; grid-template-columns: minmax(0, 820px); justify-content: center; gap: 28px; align-items: start; }
.kx-post__grid.has-toc { grid-template-columns: 260px minmax(0, 820px); }
.kx-post__body { font-size: 16.5px; line-height: 1.8; }
.kx-toc { position: sticky; top: 154px; padding: 20px 22px; border-radius: 22px; font-size: 14px; }
.kx-toc strong { display: block; margin-bottom: 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--kx-muted); }
.kx-toc ol { margin: 0; padding: 0; list-style: none; }
.kx-toc li { margin: 2px 0; }
.kx-toc li.is-sub { padding-left: 14px; }
.kx-toc a { display: block; padding: 5px 0; color: var(--kx-text); text-decoration: none; line-height: 1.4; }
.kx-toc a:hover { color: var(--kx-ink); }
.kx-post__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 820px; margin: 28px auto 0; }
.kx-post__nav a { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; border-radius: 20px; color: var(--kx-ink); text-decoration: none; }
.kx-post__nav a.is-next { text-align: right; }
.kx-post__nav small { display: inline-flex; align-items: center; gap: 6px; color: var(--kx-muted); font-size: 13px; }
.kx-post__nav a.is-next small { justify-content: flex-end; }
.kx-post__nav span { font-weight: 600; line-height: 1.4; }

@media (max-width: 1080px) {
    .kx-bgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kx-post__grid.has-toc { grid-template-columns: minmax(0, 820px); }
    .kx-toc { position: static; }
}

@media (max-width: 760px) {
    .kx-bcard--hero { grid-template-columns: 1fr; }
    .kx-bcard--hero .kx-bcard__media { min-height: 0; aspect-ratio: 1200 / 630; }
    .kx-bcard--hero .kx-bcard__body { padding: 20px 22px 22px; }
}

@media (max-width: 640px) {
    .kx-bgrid { grid-template-columns: 1fr; gap: 16px; }
    .kx-post__lead { font-size: 16px; }
    .kx-post__cover { border-radius: 20px; margin-left: -4px; margin-right: -4px; }
    .kx-post__body { font-size: 16px; }
    .kx-post__nav { grid-template-columns: 1fr; }
    .kx-post__nav a.is-next { text-align: left; }
    .kx-post__nav a.is-next small { justify-content: flex-start; }
}

@media (max-width: 991.98px) {
    .kx-toc { top: 16px; }
}