/* Two independent business pages, using the same frame as the About section. */
.business-cover-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.business-breadcrumb-band { background: #edf5f4; border-bottom: 1px solid #dae8e6; }
.business-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; min-height: 48px; padding-block: 10px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.business-breadcrumb a:hover { color: var(--teal); }
.business-breadcrumb [aria-current="page"] { color: var(--teal); font-weight: 600; }
.business-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); align-items: start; gap: 64px; padding-block: 64px 88px; min-height: 560px; }
.business-sidebar { position: sticky; top: calc(var(--header-h) + 28px); min-width: 0; }
.business-side-nav a { display: block; padding: 14px 16px; border-bottom: 1px solid var(--line); border-left: 3px solid transparent; color: #486376; font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.business-side-nav a:hover { color: var(--teal); background: #f3f8f7; }
.business-side-nav a[aria-current="page"] { border-left-color: var(--teal); background: #edf5f4; color: var(--teal); font-weight: 600; }
.business-content { min-width: 0; scroll-margin-top: calc(var(--header-h) + 24px); }
.business-content > h1 { margin-bottom: 36px; color: var(--navy); font-size: 36px; line-height: 1.45; text-align: center; overflow-wrap: anywhere; }
.business-content > h1::after { content: ""; display: block; width: 48px; height: 2px; background: var(--teal); margin: 18px auto 0; }
.business-content-area { min-height: 280px; }
.business-section { max-width: 780px; margin: 0 auto; padding: 0 0 62px; }
.business-section + .business-section { padding-top: 6px; }
.business-section h2 { display: flex; align-items: baseline; gap: 13px; margin: 0 0 22px; color: #294758; font-size: 23px; line-height: 1.5; }
.business-section h2::before { content: ""; flex: 0 0 9px; height: 9px; border-top: 3px solid #3e928d; border-right: 3px solid #3e928d; transform: rotate(45deg); }
.business-section h3 { margin: 0 0 16px 22px; color: #287e79; font-size: 18px; line-height: 1.6; }
.business-section > p { margin: 0 0 22px 22px; color: #425b6a; font-size: 16px; line-height: 1.95; }
.business-process { margin: 28px 0 36px 22px; }
.business-process > div { display: grid; grid-template-columns: 125px minmax(0, 1fr); gap: 18px; padding: 15px 0; border-top: 1px solid #dce9e7; }
.business-process dt { color: #287e79; font-weight: 600; }
.business-process dd { margin: 0; color: #425b6a; line-height: 1.8; }
.business-comparison-wrap { margin: 28px 0 0 22px; overflow-x: auto; }
.business-comparison { width: 100%; min-width: 550px; border-collapse: collapse; color: #425b6a; font-size: 14px; line-height: 1.6; }
.business-comparison caption { margin-bottom: 12px; color: #425b6a; font-size: 16px; font-weight: 400; text-align: left; }
.business-publication-link { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.business-comparison th, .business-comparison td { padding: 13px 12px; border-bottom: 1px solid #dce9e7; text-align: center; }
.business-comparison thead th { background: #eef7f5; color: #286b68; font-weight: 600; }
.business-comparison tbody th { font-weight: 600; text-align: left; }
.business-comparison td:last-child { background: #f7fbfa; color: #286b68; font-weight: 600; }
.business-figure { margin: 34px 0 40px 22px; text-align: center; }
.business-figure a { display: block; }
.business-figure a:focus-visible { outline: 3px solid #28877f; outline-offset: 4px; }
.business-figure img { display: block; width: 100%; height: auto; border: 0; }
/* The outer frame is part of this source graphic; leave the diagram intact. */
.business-figure img[src$="omics-analysis-workflow-20261027.png"] { clip-path: inset(1% .6%); }
.business-figure figcaption { margin-top: 12px; color: #687f89; font-size: 14px; line-height: 1.7; }
.business-platform-figure { max-width: 780px; margin: 0 auto 56px; }
.business-service-crop { aspect-ratio: 931 / 440; overflow: hidden; }
.business-service-crop img { width: 100%; max-width: none; }
.business-figure-pair { margin: 0 0 0 22px; }
.business-figure-pair .business-figure { margin: 0 0 40px; }
.business-systems-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 24px; margin: 34px 0 40px; }
.business-system-card { min-width: 0; }
.business-system-art { aspect-ratio: 358 / 221; background-image: url('./assets/business/source-omics-systems-20261027.png'); background-repeat: no-repeat; background-size: 227.9% auto; }
.business-system-art--1 { background-position: 7.9% 4.5%; }
.business-system-art--2 { background-position: 87.8% 4.5%; }
.business-system-art--3 { background-position: 7.9% 70.3%; }
.business-system-art--4 { background-position: 87.8% 70.3%; }
.business-system-card h3 { margin: 16px 0 8px; color: #294758; font-size: 17px; line-height: 1.5; }
.business-system-card p { margin: 0; color: #526a78; font-size: 15px; line-height: 1.8; }
.business-health-source > p:first-child { font-size: 17px; line-height: 2; }
@media (max-width: 1100px) {
  .business-layout { grid-template-columns: 180px minmax(0,1fr); gap: 36px; padding-block: 48px 64px; }
  .business-side-nav a { padding-inline: 12px; font-size: 14px; }
}
@media (max-width: 767px) {
  .business-cover-image { object-position: 8% center; }
  .business-layout { display: block; padding-block: 24px 48px; min-height: 0; }
  .business-sidebar { position: static; margin-bottom: 32px; }
  .business-side-nav ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .business-side-nav li { display: flex; min-width: 0; }
  .business-side-nav a { display: flex; align-items: center; justify-content: center; width: 100%; padding: 12px 10px; border-left: 0; border-bottom-width: 2px; font-size: 13px; text-align: center; }
  .business-side-nav a[aria-current="page"] { border-bottom-color: var(--teal); }
  .business-content > h1 { font-size: 29px; margin-bottom: 28px; }
  .business-content > h1::after { margin-top: 14px; }
  .business-content-area { min-height: 0; }
  .business-section { padding-bottom: 46px; }
  .business-section h2 { gap: 10px; font-size: 20px; }
  .business-section h3, .business-section > p, .business-figure, .business-figure-pair, .business-process, .business-comparison-wrap { margin-left: 0; }
  .business-section > p, .business-health-source > p:first-child { font-size: 15px; line-height: 1.9; }
  .business-process > div { grid-template-columns: 1fr; gap: 4px; }
  .business-figure { margin-bottom: 30px; }
  .business-figure-pair .business-figure { margin-bottom: 30px; }
  .business-systems-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 600px) {
  .business-comparison { display: block; min-width: 0; }
  .business-comparison caption { display: block; }
  .business-comparison thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .business-comparison tbody { display: block; }
  .business-comparison tbody tr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 14px; border: 1px solid #dce9e7; }
  .business-comparison tbody th { grid-column: 1 / -1; padding: 11px 12px; background: #eef7f5; color: #286b68; }
  .business-comparison td { min-width: 0; padding: 12px 6px; border-bottom: 0; overflow-wrap: anywhere; }
  .business-comparison td::before { content: attr(data-label); display: block; margin-bottom: 5px; color: #687f89; font-size: 11px; font-weight: 400; line-height: 1.45; }
}
#platform > .business-section:not(:last-child) { padding-bottom: 0; }
#platform > .business-section + .business-section { padding-top: 0; }
#platform > .business-section:not(:last-child) > :last-child { margin-bottom: 0; }
#platform .business-systems-grid { margin-top: 0; margin-bottom: 0; }
@media print {
  .business-cover,.business-breadcrumb-band,.business-sidebar { display: none; }
  .business-layout { display: block; padding: 0; }
}

/* 舌像对比图两侧标注分别居中。 */
.business-tongue-comparison figcaption { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; color: #425b6a; font-size: 16px; }
.business-tongue-comparison figcaption span { text-align: center; }
@media (max-width: 767px) { .business-tongue-comparison figcaption { font-size: 14px; } }