/* Cẩm nang: one reading column, full column photography and concise next steps. */
.qkh-reading { padding: 14px 0 64px; }
.qkh-reading > .wrap { width: min(960px, calc(100% - 40px)); }
.qkh-reading .article-head { max-width: none; margin: 0; padding: 0 0 22px; }
.qkh-reading .article-head .eyebrow { margin: 0 0 14px; font-size: 11px; }
.qkh-reading .article-head h1 { font-size: clamp(30px, 3vw, 40px); line-height: 1.3; letter-spacing: -.035em; text-wrap: pretty; }
.qkh-reading .editorial-layout { display: block; }
.qkh-reading .editorial-layout .editorial-body { width: 100%; max-width: none; margin: 0; font-size: 18px; line-height: 1.85; }
.qkh-reading .editorial-body > p:first-child { font-size: inherit; }
.qkh-reading .editorial-body p { margin: 0 0 20px; }
.qkh-reading .editorial-body h2 { font-size: 29px; line-height: 1.4; margin: 40px 0 17px; scroll-margin-top: 24px; }
.qkh-reading .editorial-body h3 { font-size: 23px; line-height: 1.45; margin: 28px 0 14px; scroll-margin-top: 24px; }
.qkh-reading .editorial-body a { text-underline-offset: 3px; text-decoration-thickness: 1px; }
.qkh-reading .editorial-body figure, .qkh-reading .editorial-body .article-figure {
  width: 100%; max-width: 100% !important; margin: 28px 0 32px; margin-inline: 0 !important;
}
.qkh-reading .editorial-body figure img, .qkh-reading .editorial-body > p > img {
  display: block; width: 100% !important; max-width: 100%; height: auto !important;
  max-height: none !important; aspect-ratio: var(--qkh-image-ratio, auto) !important; object-fit: contain !important; border-radius: 12px;
}
.qkh-reading .editorial-body figure figcaption { font-size: 14px; line-height: 1.65; color: #526475; margin-top: 10px; }
.qkh-reading .editorial-body .qkh-model-comparison { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.qkh-reading .qkh-model-comparison figure { margin: 0; }
.qkh-reading .qkh-model-comparison { margin: 28px 0 32px; }
#post-1021.qkh-reading .editorial-body h2 { scroll-margin-top: 24px; }
.qkh-reading .qkh-reading-toc { margin: 28px 0 34px; border: 1px solid #dce5f3; border-radius: 12px; background: #f6f8fc; overflow: hidden; }
.qkh-reading .qkh-reading-toc summary { display: flex; gap: 12px; align-items: center; cursor: pointer; padding: 15px 20px; min-height: 56px; font-size: 16px; line-height: 1.6; font-weight: 650; color: #17375e; list-style: none; }
.qkh-reading .qkh-reading-toc summary::-webkit-details-marker { display: none; }
.qkh-reading .qkh-reading-toc summary::after { content: '+'; margin-left: auto; font-size: 22px; font-weight: 400; color: var(--blue); }
.qkh-reading .qkh-reading-toc[open] summary::after { content: '−'; }
.qkh-reading .qkh-toc-count { font-size: 13px; font-weight: 400; color: #60718a; }
.qkh-reading .qkh-reading-toc[open] summary { border-bottom: 1px solid #dce5f3; }
.qkh-reading .qkh-reading-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 28px; padding: 16px 20px 18px; margin: 0; list-style: none; counter-reset: qkh-toc; }
.qkh-reading .qkh-reading-toc li { display: flex; gap: 9px; margin: 0; padding: 0; counter-increment: qkh-toc; }
.qkh-reading .qkh-reading-toc li::before { content: counter(qkh-toc, decimal-leading-zero); font-size: 12px; color: #6881a5; padding-top: 10px; }
.qkh-reading .qkh-reading-toc a { display: block; font-size: 15px; line-height: 1.65; padding: 6px 0; color: #17375e; text-decoration: none; }
.qkh-reading .qkh-reading-toc a:hover { text-decoration: underline; color: var(--blue); }
.qkh-reading .qkh-reading-toc + h2 { margin-top: 0; }
.qkh-reading .qkh-reading-table { max-width: 100%; overflow: auto; margin: 24px 0; scrollbar-width: thin; }
.qkh-reading .qkh-reading-table table { display: table; width: 100%; margin: 0; font-size: 15px; line-height: 1.7; }
.qkh-reading .qkh-wide-table table { min-width: 560px; }
.qkh-reading .qkh-reading-table th, .qkh-reading .qkh-reading-table td { padding: 12px 14px; overflow-wrap: anywhere; }
.qkh-reading .source-notes { max-width: none; margin-top: 32px; font-size: 14px; overflow-wrap: anywhere; }
.qkh-reading .related { margin: 42px 0 0; padding-top: 28px; }
.qkh-reading .related > h2 { font-size: 25px; line-height: 1.4; margin: 0 0 20px; }
.qkh-reading .qkh-reading-related .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 0; }
.qkh-reading .qkh-next-guide { display: grid; grid-template-columns: 112px minmax(0, 1fr) 14px; align-items: start; gap: 14px; padding: 12px; border: 1px solid #dce5f3; border-radius: 12px; background: #fff; color: inherit; text-decoration: none; transition: border-color .15s, background .15s; }
.qkh-reading .qkh-next-guide:hover { border-color: #8daee7; background: #f8faff; }
.qkh-reading .qkh-next-guide img { display: block; width: 112px; height: auto; aspect-ratio: 1.5; object-fit: contain; border-radius: 7px; background: #f2f6fc; }
.qkh-reading .qkh-next-copy { min-width: 0; }
.qkh-reading .qkh-next-copy h3 { font-size: 17px; line-height: 1.5; margin: 0 0 7px; letter-spacing: -.015em; color: #17375e; }
.qkh-reading .qkh-next-copy p { font-size: 14px; line-height: 1.65; color: #60718a; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.qkh-reading .qkh-next-arrow { color: var(--blue); font-size: 17px; }
.qkh-reading .qkh-next-no-photo { grid-template-columns: minmax(0, 1fr) 14px; }
.qkh-reading .qkh-guide-categories > p:not(.eyebrow) { font-size: 15px; line-height: 1.7; margin-bottom: 18px; }
.qkh-reading .qkh-guide-categories .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.qkh-reading .qkh-guide-categories .category-card { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 4px 14px; padding: 12px; }
.qkh-reading .qkh-guide-categories .category-card .photo { grid-row: 1 / span 3; width: 88px; margin: 0; aspect-ratio: 1; }
.qkh-reading .qkh-guide-categories .category-card .badge { display: none; }
.qkh-reading .qkh-guide-categories .category-card h3 { font-size: 18px; line-height: 1.5; margin: 0; }
.qkh-reading .qkh-guide-categories .category-card p { font-size: 14px; line-height: 1.6; margin: 0; -webkit-line-clamp: 2; }
.qkh-reading .qkh-guide-categories .category-card .card-foot { font-size: 12px; margin: 4px 0 0; padding: 0; border: 0; }
.qkh-reading :is(a, summary, [tabindex]):focus-visible { outline: 3px solid #85aafa; outline-offset: 4px; border-radius: 4px; }
@media (max-width: 760px) {
  .qkh-reading .qkh-reading-related .article-grid { grid-template-columns: 1fr; }
  .qkh-reading .qkh-guide-categories .category-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .qkh-reading { padding: 8px 0 40px; }
  .qkh-reading > .wrap { width: calc(100% - 32px); }
  .qkh-reading .article-head { padding-bottom: 18px; }
  .qkh-reading .article-head .eyebrow { margin-bottom: 12px; font-size: 10px; }
  .qkh-reading .article-head h1 { font-size: 29px; line-height: 1.35; letter-spacing: -.03em; }
  .qkh-reading .editorial-layout .editorial-body { font-size: 17px; line-height: 1.8; }
  .qkh-reading .editorial-body p { margin-bottom: 18px; }
  .qkh-reading .editorial-body h2 { font-size: 25px; margin: 32px 0 15px; scroll-margin-top: 18px; }
  .qkh-reading .editorial-body h3 { font-size: 21px; }
  .qkh-reading .editorial-body figure { margin-block: 23px 28px; }
  .qkh-reading .editorial-body figure figcaption { font-size: 13px; line-height: 1.65; }
  .qkh-reading .editorial-body .qkh-model-comparison { grid-template-columns: 1fr !important; }
  .qkh-reading .qkh-model-comparison figure { margin: 0; }
  .qkh-reading .qkh-reading-toc { margin: 24px 0 28px; }
  .qkh-reading .qkh-reading-toc summary { padding: 13px 16px; font-size: 15px; }
  .qkh-reading .qkh-reading-toc ol { grid-template-columns: 1fr; padding: 12px 16px; gap: 2px; }
  .qkh-reading .qkh-reading-toc a { padding-block: 8px; font-size: 14px; }
  .qkh-reading .qkh-reading-toc li::before { padding-top: 11px; }
  .qkh-reading .qkh-reading-table table { font-size: 14px; }
  .qkh-reading .qkh-reading-table th, .qkh-reading .qkh-reading-table td { padding: 11px 12px; }
  .qkh-reading .related { margin-top: 32px; padding-top: 24px; }
  .qkh-reading .related > h2 { font-size: 23px; margin-bottom: 17px; }
}
@media (max-width: 420px) {
  .qkh-reading .qkh-next-guide { grid-template-columns: 88px minmax(0, 1fr) 12px; gap: 10px; padding: 10px; }
  .qkh-reading .qkh-next-guide img { width: 88px; }
  .qkh-reading .qkh-next-copy h3 { font-size: 16px; }
  .qkh-reading .qkh-next-copy p { font-size: 13px; }
  .qkh-reading .qkh-next-no-photo { grid-template-columns: minmax(0, 1fr) 12px; }
}
@media print {
  .qkh-reading { padding: 0; }
  .qkh-reading > .wrap { width: 100%; }
  .qkh-reading .qkh-reading-toc, .qkh-reading .related { display: none; }
  .qkh-reading .editorial-layout .editorial-body { font-size: 12px; line-height: 1.6; }
  .qkh-reading .editorial-body figure img { max-height: 500px !important; }
  .qkh-reading .qkh-reading-table { overflow: visible; }
  .qkh-reading .qkh-wide-table table { min-width: 0; }
}