/* ── Author header ── */
    .author-header {
      background: var(--c-dark);
      padding: 52px 0 48px;
    }
    .author-header-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 32px;
      display: flex;
      gap: 36px;
      align-items: flex-start;
    }
    .author-avatar-lg {
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: #2a4565;
      color: #fff;
      font-family: var(--f-display);
      font-size: 40px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      border: 3px solid rgba(255,255,255,0.1);
    }
    .author-info { flex: 1; min-width: 0; }
    .author-role-tag {
      font-family: var(--f-ui);
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--c-amber);
      margin-bottom: 8px;
    }
    .author-name {
      font-family: var(--f-display);
      font-size: 42px;
      font-weight: 900;
      color: #fff;
      letter-spacing: -1px;
      line-height: 1;
      margin-bottom: 6px;
    }
    .author-title {
      font-family: var(--f-ui);
      font-size: 15px;
      color: rgba(255,255,255,0.5);
      margin-bottom: 18px;
    }
    .author-bio-text {
      font-family: var(--f-body);
      font-size: 16px;
      color: rgba(255,255,255,0.65);
      line-height: 1.7;
      max-width: 640px;
      margin-bottom: 22px;
    }
    .author-meta-row {
      display: flex;
      align-items: center;
      gap: 28px;
      flex-wrap: wrap;
    }
    .author-stat {
      text-align: left;
    }
    .author-stat-num {
      font-family: var(--f-mono);
      font-size: 22px;
      font-weight: 500;
      color: #fff;
      line-height: 1;
    }
    .author-stat-label {
      font-family: var(--f-ui);
      font-size: 11px;
      color: rgba(255,255,255,0.35);
      margin-top: 2px;
    }
    .author-stat-divider {
      width: 1px;
      height: 32px;
      background: rgba(255,255,255,0.1);
    }
    .author-links {
      display: flex;
      gap: 8px;
      margin-left: auto;
    }
    .author-link-btn {
      font-family: var(--f-ui);
      font-size: 12px;
      font-weight: 600;
      padding: 7px 14px;
      border-radius: 4px;
      border: 1px solid rgba(255,255,255,0.15);
      color: rgba(255,255,255,0.7);
      transition: background .15s, color .15s;
    }
    .author-link-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }
    .author-link-btn.email { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
    .author-link-btn.email:hover { background: var(--c-accent-dk); }

    /* ── Author expertise tags ── */
    .expertise-bar {
      background: rgba(255,255,255,0.03);
      border-top: 1px solid rgba(255,255,255,0.06);
      padding: 16px 0;
    }
    .expertise-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 32px;
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .exp-label {
      font-family: var(--f-ui);
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: rgba(255,255,255,0.3);
      margin-right: 4px;
    }
    .exp-tag {
      font-family: var(--f-ui);
      font-size: 11px;
      font-weight: 600;
      color: rgba(255,255,255,0.55);
      background: rgba(255,255,255,0.07);
      padding: 4px 10px;
      border-radius: 3px;
    }

    /* ── Article list ── */
    .article-list-section {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 48px 32px 0;
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 52px;
      align-items: start;
    }
    .article-list-main { min-width: 0; }
    .art-list-filters {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 28px;
      flex-wrap: wrap;
    }
    .filter-chip {
      font-family: var(--f-ui);
      font-size: 12px;
      font-weight: 600;
      padding: 5px 13px;
      border-radius: 20px;
      border: 1px solid var(--c-border);
      color: var(--c-muted);
      cursor: pointer;
      transition: border-color .15s, color .15s, background .15s;
    }
    .filter-chip:hover { border-color: var(--c-dark); color: var(--c-dark); }
    .filter-chip.active { background: var(--c-dark); color: #fff; border-color: var(--c-dark); }
    .art-list { display: flex; flex-direction: column; gap: 0; }
    .art-list-item {
      display: flex;
      gap: 18px;
      padding: 22px 0;
      border-bottom: 1px solid var(--c-border);
      align-items: flex-start;
    }
    .art-list-item:first-child { padding-top: 0; }
    .art-list-thumb {
      width: 110px;
      height: 72px;
      border-radius: 5px;
      flex-shrink: 0;
    }
    .art-list-body { flex: 1; min-width: 0; }
    .art-list-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 7px;
    }
    .art-list-headline {
      font-family: var(--f-display);
      font-size: 17px;
      font-weight: 700;
      line-height: 1.25;
      color: var(--c-dark);
      margin-bottom: 6px;
      text-wrap: balance;
    }
    .art-list-headline a:hover { color: var(--c-accent); }
    .art-list-dek {
      font-family: var(--f-ui);
      font-size: 13px;
      color: var(--c-muted);
      line-height: 1.55;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .art-list-foot {
      font-family: var(--f-ui);
      font-size: 11px;
      color: var(--c-muted);
      display: flex;
      gap: 8px;
    }

    /* ── Sidebar ── */
    .author-sidebar {
      position: sticky;
      top: 80px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .sb-about {
      background: var(--c-surface);
      border: 1px solid var(--c-border);
      border-radius: var(--radius);
      padding: 20px;
    }
    .sb-about-head {
      font-family: var(--f-ui);
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--c-muted);
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--c-border);
    }
    .sb-about p {
      font-family: var(--f-ui);
      font-size: 13px;
      color: var(--c-muted);
      line-height: 1.6;
      margin-bottom: 10px;
    }
    .sb-about p:last-child { margin-bottom: 0; }

    /* load more */
    .load-more-wrap {
      padding: 32px 0;
      text-align: center;
    }

    @media (max-width: 960px) {
      .article-list-section { grid-template-columns: 1fr; }
      .author-sidebar { display: none; }
      .author-header-inner { flex-direction: column; gap: 24px; }
      .author-avatar-lg { width: 100px; height: 100px; font-size: 28px; }
      .author-name { font-size: 32px; }
    }
    @media (max-width: 640px) {
      .article-list-section { padding: 32px 20px 0; }
      .author-header-inner { padding: 0 20px; }
      .expertise-inner { padding: 0 20px; }
      .author-links { margin-left: 0; }
      .art-list-thumb { display: none; }
    }