:root {
    --bb-violet: #7f4cbf;
    --bb-violet-deep: #4a286f;
    --bb-ink: #17141b;
    --bb-paper: #f5f1e8;
    --bb-paper-soft: #fbf8f1;
    --bb-line: #d8d0c2;
    --bb-muted: #68616b;
    --bb-lime: #d8f35a;
    --bb-display: "Outfit", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --bb-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.ba-blog-page,
.ba-article-page {
    background: var(--bb-paper);
    color: var(--bb-ink);
    font-family: var(--bb-body);
}

.ba-blog-main,
.ba-article-main {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 148px 0 96px;
}

.ba-blog-hero {
    display: grid;
    gap: 24px;
    margin-bottom: 56px;
}

.ba-blog-eyebrow,
.ba-article-eyebrow,
.ba-article-back {
    margin: 0;
    font-family: var(--bb-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--bb-violet);
}

.ba-blog-hero h1,
.ba-article-header h1 {
    margin: 8px 0 0;
    font-family: var(--bb-display);
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 700;
    letter-spacing: -.05em;
    line-height: 1.05;
}

.ba-blog-hero p,
.ba-article-subtitle {
    margin: 16px 0 0;
    max-width: 640px;
    color: var(--bb-muted);
    font-size: 18px;
    line-height: 1.6;
}

.ba-blog-search {
    display: flex;
    gap: 10px;
    max-width: 460px;
}

.ba-blog-search input {
    flex: 1;
    height: 48px;
    padding: 0 16px;
    border: 1px solid var(--bb-line);
    border-radius: 999px;
    background: var(--bb-paper-soft);
    color: var(--bb-ink);
    font: inherit;
}

.ba-blog-search button,
.ba-blog-chip,
.ba-article-share button,
.ba-article-share a,
.ba-blog-pagination a,
.ba-blog-cta a,
.ba-blog-newsletter a {
    font-family: var(--bb-display);
}

.ba-blog-search button {
    height: 48px;
    padding: 0 20px;
    border: 0;
    border-radius: 999px;
    background: var(--bb-ink);
    color: #fff;
    cursor: pointer;
}

.ba-blog-section {
    margin: 0 0 72px;
}

.ba-blog-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.ba-blog-section-head h2 {
    margin: 0;
    font-family: var(--bb-display);
    font-size: 28px;
    letter-spacing: -.03em;
}

.ba-blog-section-head a {
    color: var(--bb-violet);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.ba-blog-featured {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 20px;
}

.ba-blog-featured-card {
    position: relative;
    overflow: hidden;
    min-height: 280px;
    border-radius: 16px;
    background: #fff;
    color: inherit;
    text-decoration: none;
}

.ba-blog-featured-card:first-child {
    grid-row: span 2;
    min-height: 580px;
}

.ba-blog-featured-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 16 / 10;
}

.ba-blog-featured-card:first-child img {
    aspect-ratio: 4 / 5;
    min-height: 580px;
}

.ba-blog-featured-body {
    position: absolute;
    inset: auto 0 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(23, 20, 27, .82));
    color: #fff;
}

.ba-blog-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--bb-lime);
    color: var(--bb-ink);
    font-family: var(--bb-display);
    font-size: 12px;
    font-weight: 700;
}

.ba-blog-featured-body h3 {
    margin: 12px 0 8px;
    font-size: clamp(22px, 3vw, 34px);
    letter-spacing: -.03em;
    line-height: 1.15;
}

.ba-blog-featured-meta,
.ba-blog-row-meta,
.ba-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    color: inherit;
    font-family: var(--bb-display);
    font-size: 13px;
    opacity: .9;
}

.ba-blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ba-blog-chip {
    padding: 8px 14px;
    border: 1px solid var(--bb-line);
    border-radius: 999px;
    color: var(--bb-ink);
    text-decoration: none;
    background: var(--bb-paper-soft);
    font-size: 13px;
}

.ba-blog-chip.is-active,
.ba-blog-chip:hover {
    border-color: var(--bb-ink);
    background: var(--bb-ink);
    color: #fff;
}

.ba-blog-rows {
    display: grid;
    gap: 0;
}

.ba-blog-row {
    display: grid;
    gap: 10px;
    padding: 28px 0;
    border-top: 1px solid var(--bb-line);
    color: inherit;
    text-decoration: none;
}

.ba-blog-row:last-child {
    border-bottom: 1px solid var(--bb-line);
}

.ba-blog-row h3 {
    margin: 0;
    font-size: clamp(26px, 4vw, 40px);
    letter-spacing: -.04em;
    line-height: 1.15;
}

.ba-blog-row-meta {
    color: var(--bb-muted);
}

.ba-blog-empty {
    padding: 48px 0;
    color: var(--bb-muted);
}

.ba-blog-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 32px;
}

.ba-blog-pagination a,
.ba-blog-pagination span {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    text-decoration: none;
    color: var(--bb-ink);
}

.ba-blog-pagination a {
    border: 1px solid var(--bb-line);
}

.ba-blog-pagination .is-current {
    background: var(--bb-ink);
    color: #fff;
}

.ba-blog-newsletter,
.ba-blog-cta {
    display: grid;
    gap: 16px;
    padding: 36px;
    border-radius: 20px;
    background: var(--bb-ink);
    color: #fff;
}

.ba-blog-newsletter h2,
.ba-blog-cta h2 {
    margin: 0;
    font-family: var(--bb-display);
    font-size: 32px;
    letter-spacing: -.03em;
}

.ba-blog-newsletter p,
.ba-blog-cta p {
    margin: 0;
    color: rgba(255, 255, 255, .74);
}

.ba-blog-newsletter a,
.ba-blog-cta a {
    width: fit-content;
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--bb-lime);
    color: var(--bb-ink);
    text-decoration: none;
    font-weight: 700;
}

.ba-article-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
}

.ba-article-toc {
    position: sticky;
    top: 108px;
}

.ba-article-toc h2 {
    margin: 0 0 12px;
    font-size: 13px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--bb-muted);
}

.ba-article-toc a {
    display: block;
    padding: 5px 0;
    color: var(--bb-muted);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.45;
}

.ba-article-toc a.level-3 {
    padding-left: 12px;
    font-size: 13px;
}

.ba-article-toc a:hover {
    color: var(--bb-violet);
}

.ba-article-back {
    display: inline-block;
    margin-bottom: 24px;
    text-decoration: none;
}

.ba-article-authors {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.ba-article-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ba-article-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--bb-violet);
    color: #fff;
    font-family: var(--bb-display);
    font-weight: 700;
}

.ba-article-meta {
    margin-top: 18px;
    color: var(--bb-muted);
}

.ba-article-share {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0 32px;
}

.ba-article-share a,
.ba-article-share button {
    padding: 8px 12px;
    border: 1px solid var(--bb-line);
    border-radius: 999px;
    background: var(--bb-paper-soft);
    color: var(--bb-ink);
    text-decoration: none;
    cursor: pointer;
    font-size: 13px;
}

.ba-article-content {
    color: #312d34;
    font-size: 17px;
    line-height: 1.9;
}

.ba-article-content > *:first-child {
    margin-top: 0;
}

.ba-article-content h1,
.ba-article-content h2,
.ba-article-content h3,
.ba-article-content h4 {
    margin-top: 2em;
    color: var(--bb-ink);
    font-family: var(--bb-display);
    letter-spacing: -.03em;
    line-height: 1.25;
}

.ba-article-content p,
.ba-article-content ul,
.ba-article-content ol,
.ba-article-content blockquote,
.ba-article-content table {
    margin: 0 0 1.3em;
}

.ba-article-content blockquote {
    padding: 4px 0 4px 20px;
    border-left: 3px solid var(--bb-violet);
    color: #665e68;
}

.ba-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.ba-article-content pre {
    padding: 20px;
    overflow: auto;
    border-radius: 8px;
    background: var(--bb-ink);
    color: #f5f1e8;
}

.ba-article-content code {
    font-family: var(--font-mono, ui-monospace, monospace);
    font-size: .92em;
}

.ba-article-content :not(pre) > code {
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(127, 76, 191, .1);
}

.ba-article-content table {
    width: 100%;
    border-collapse: collapse;
}

.ba-article-content th,
.ba-article-content td {
    padding: 10px 12px;
    border: 1px solid var(--bb-line);
    text-align: left;
}

.ba-article-pager,
.ba-article-related {
    display: grid;
    gap: 16px;
    margin: 48px 0;
}

.ba-article-related {
    grid-template-columns: repeat(3, 1fr);
}

.ba-article-related a,
.ba-article-pager a {
    display: block;
    padding: 18px;
    border: 1px solid var(--bb-line);
    border-radius: 14px;
    color: inherit;
    text-decoration: none;
    background: #fff;
}

.ba-article-related h3,
.ba-article-pager h3 {
    margin: 8px 0 0;
    font-size: 20px;
    letter-spacing: -.03em;
}

.ba-article-empty {
    color: var(--bb-muted);
}

@media (max-width: 860px) {
    .ba-blog-featured,
    .ba-article-layout,
    .ba-article-related {
        grid-template-columns: 1fr;
    }

    .ba-blog-featured-card:first-child,
    .ba-blog-featured-card:first-child img {
        min-height: 320px;
        grid-row: auto;
    }

    .ba-article-toc {
        position: static;
    }
}