:root {
  --ma-ink: #172b35;
  --ma-muted: #6c7f86;
  --ma-teal: #087f78;
  --ma-teal-dark: #08635f;
  --ma-mint: #dff2ed;
  --ma-line: #dce7e5;
  --ma-paper: #f4f8f7;
  --ma-coral: #ed795f;
  --ma-gold: #d9a928;
}
.atlas-page { background: var(--ma-paper); color: var(--ma-ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; padding: 24px 0 64px; line-height: 1.65; }
.atlas-page * { box-sizing: border-box; }
.atlas-page h1, .atlas-page h2, .atlas-page h3, .atlas-page h4 { color: var(--ma-ink); }
.atlas-page a { -webkit-tap-highlight-color: transparent; }
.atlas-shell { width: min(1400px, calc(100% - 56px)); margin: 0 auto; }
.atlas-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 30px; color: #849399; font-size: 13px; }
.atlas-breadcrumb a { color: #63777e; text-decoration: none; }
.atlas-breadcrumb a:hover { color: var(--ma-teal); }
.atlas-breadcrumb strong { color: var(--ma-ink); font-weight: 500; }
.atlas-hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 28px; }
.atlas-eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; color: var(--ma-teal); font-size: 11px; font-weight: 700; letter-spacing: 2.4px; }
.atlas-eyebrow span { width: 24px; height: 2px; background: var(--ma-teal); }
.atlas-hero h1 { margin: 0; font-size: clamp(30px, 3vw, 46px); line-height: 1.2; letter-spacing: -1.4px; font-weight: 720; }
.atlas-hero h1 em { color: var(--ma-teal); font-style: normal; font-weight: 450; }
.atlas-hero p { max-width: 760px; margin: 12px 0 0; color: var(--ma-muted); font-size: 15px; }
.atlas-hero-note { display: flex; align-items: center; gap: 12px; min-width: 320px; padding: 14px 18px; border: 1px solid var(--ma-line); background: rgba(255,255,255,.74); }
.atlas-note-dot { width: 9px; height: 9px; flex: 0 0 auto; border-radius: 50%; background: var(--ma-teal); box-shadow: 0 0 0 5px var(--ma-mint); }
.atlas-hero-note strong { display: block; font-size: 11px; letter-spacing: .7px; }
.atlas-hero-note small { display: block; margin-top: 2px; color: var(--ma-muted); font-size: 10px; }
.atlas-stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--ma-line); background: #fff; }
.atlas-stats > div { position: relative; padding: 19px 26px; }
.atlas-stats > div + div:before { content: ""; position: absolute; left: 0; top: 21px; bottom: 21px; width: 1px; background: var(--ma-line); }
.atlas-stats small { display: block; color: var(--ma-muted); font-size: 11px; letter-spacing: .8px; }
.atlas-stats strong { display: block; margin-top: 2px; font-size: 28px; line-height: 1.35; font-weight: 600; font-variant-numeric: tabular-nums; }
.atlas-stats strong span { margin-left: 3px; color: var(--ma-teal); font-size: 12px; font-weight: 600; }
.atlas-stats p { margin: 2px 0 0; color: #849399; font-size: 12px; }
.atlas-featured, .atlas-index { margin-top: 24px; padding: 30px; border: 1px solid var(--ma-line); background: #fff; }
.atlas-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 22px; }
.atlas-section-heading > div > span { color: var(--ma-teal); font-size: 9px; font-weight: 700; letter-spacing: 2px; }
.atlas-section-heading h2 { margin: 5px 0 0; font-size: 21px; font-weight: 650; letter-spacing: -.3px; }
.atlas-section-heading > p { max-width: 510px; margin: 0; color: var(--ma-muted); font-size: 11px; }
.featured-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.featured-card { min-width: 0; overflow: hidden; border: 1px solid #dce8e4; border-radius: 4px; background: #f9fbfa; color: var(--ma-ink); text-decoration: none; transition: transform .2s, box-shadow .2s, border-color .2s; }
.featured-card:hover { transform: translateY(-3px); border-color: #8dbbb0; box-shadow: 0 12px 30px rgba(30,75,65,.09); color: var(--ma-ink); text-decoration: none; }
.featured-card:focus-visible { outline: 2px solid var(--ma-teal); outline-offset: 3px; }
.featured-visual { position: relative; height: 205px; overflow: hidden; border-bottom: 1px solid #e1ebe7; background-color: #edf5f2; background-image: linear-gradient(rgba(107,151,141,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(107,151,141,.08) 1px, transparent 1px); background-size: 24px 24px; }
.norovirus-card .featured-visual { background-color: #faf6e9; background-image: linear-gradient(rgba(177,143,48,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(177,143,48,.08) 1px, transparent 1px); }
.ebola-card .featured-visual { background-color: #f4edf2; background-image: linear-gradient(rgba(118,81,111,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(118,81,111,.08) 1px, transparent 1px); }
.zika-card .featured-visual { background-color: #edf3f6; background-image: linear-gradient(rgba(57,111,134,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(57,111,134,.08) 1px, transparent 1px); }
.featured-visual svg { display: block; width: 100%; height: 100%; }
.atlas-number { position: absolute; z-index: 1; left: 17px; top: 15px; color: #6c8982; font-size: 9px; font-weight: 700; letter-spacing: 1.4px; }
.status-available { position: absolute; z-index: 1; right: 15px; top: 13px; padding: 3px 8px; border: 1px solid #9cc9bd; background: rgba(255,255,255,.8); color: #16786d; font-size: 9px; }
.norovirus-card .status-available { border-color: #ddc575; color: #937315; }
.ebola-card .status-available { border-color: #cfafbf; color: #76516f; }
.zika-card .status-available { border-color: #aac4d0; color: #396f86; }
.featured-body { padding: 20px 22px 18px; }
.featured-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.featured-title h3 { margin: 0; font-size: 20px; font-weight: 650; }
.featured-title small { display: block; margin-top: 2px; color: #82938f; font-size: 10px; font-style: italic; }
.featured-title > span { flex: 0 0 auto; padding: 3px 7px; background: #e5f1ed; color: #477a70; font-size: 9px; }
.norovirus-card .featured-title > span { background: #f6edc9; color: #8b711d; }
.ebola-card .featured-title > span { background: #eee2ea; color: #76516f; }
.zika-card .featured-title > span { background: #e2edf1; color: #396f86; }
.zika-card .featured-link { color: #396f86; }
.featured-body > p { min-height: 40px; margin: 13px 0 12px; color: #5f7379; font-size: 12px; line-height: 1.8; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.feature-tags span { padding: 3px 7px; border: 1px solid #dde8e4; color: #71847f; font-size: 9px; }
.featured-link { display: flex; align-items: center; justify-content: space-between; margin-top: 17px; padding-top: 13px; border-top: 1px solid #e3ece9; color: var(--ma-teal); font-size: 11px; font-weight: 600; }
.featured-link b { font-size: 18px; font-weight: 400; transition: transform .2s; }
.featured-card:hover .featured-link b { transform: translateX(4px); }
.catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.catalog-card { min-width: 0; padding: 16px 17px 15px; border: 1px solid #e1ebe8; border-top: 2px solid #b6c8c3; background: #f8faf9; }
.catalog-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.catalog-top > span { color: #91a19d; font-size: 8px; letter-spacing: 1.1px; }
.catalog-top > b { padding: 2px 6px; background: #edf1f0; color: #8a9996; font-size: 8px; font-weight: 500; }
.catalog-title { display: flex; align-items: center; gap: 10px; min-height: 42px; }
.catalog-title > div { min-width: 0; }
.catalog-title h3 { margin: 0; font-size: 14px; line-height: 1.4; font-weight: 650; }
.catalog-title small { display: block; overflow: hidden; margin-top: 2px; color: #899a96; font-size: 8px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.catalog-glyph { position: relative; width: 28px; height: 28px; flex: 0 0 28px; border: 2px solid #8fb8ad; border-radius: 50%; background: radial-gradient(circle, #8fb8ad 1px, transparent 1.5px); background-size: 6px 6px; }
.catalog-glyph:after { content: ""; position: absolute; inset: 5px; border: 1px solid #8fb8ad; border-radius: 50%; }
.catalog-glyph.dna { border-color: #a6a2c3; background-image: radial-gradient(circle, #a6a2c3 1px, transparent 1.5px); }
.catalog-glyph.dna:after { border-color: #a6a2c3; }
.catalog-card dl { margin: 15px 0 10px; padding: 9px 0; border-top: 1px solid #e3ebe8; border-bottom: 1px solid #e3ebe8; font-size: 9px; }
.catalog-card dl > div { display: grid; grid-template-columns: 38px 1fr; gap: 7px; padding: 3px 0; }
.catalog-card dt { color: #94a39f; font-weight: 400; }
.catalog-card dd { margin: 0; color: #526a65; }
.catalog-card > p { margin: 0; color: #788b86; font-size: 9px; line-height: 1.7; }
.atlas-note { display: flex; align-items: flex-start; gap: 12px; margin-top: 24px; padding: 18px 22px; border: 1px solid var(--ma-line); background: #edf4f2; }
.atlas-note > span { width: 21px; height: 21px; flex: 0 0 21px; border: 1px solid #82a59c; border-radius: 50%; color: #52786e; text-align: center; font: italic 13px/19px Georgia, serif; }
.atlas-note p { margin: 0; color: #6c807e; font-size: 10px; line-height: 1.8; }
.atlas-note strong { color: #3f615a; }
@media (max-width: 1100px) {
  .atlas-shell { width: calc(100% - 36px); }
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .atlas-featured, .atlas-index { padding: 24px 20px; }
}
@media (max-width: 860px) {
  .atlas-page { padding-top: 16px; }
  .atlas-hero { align-items: flex-start; }
  .atlas-hero-note { display: none; }
  .atlas-stats { grid-template-columns: repeat(2, 1fr); }
  .atlas-stats > div:nth-child(3):before { display: none; }
  .atlas-stats > div:nth-child(n+3) { border-top: 1px solid var(--ma-line); }
  .featured-grid { grid-template-columns: 1fr; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .atlas-section-heading { display: block; }
  .atlas-section-heading > p { margin-top: 9px; }
}
@media (max-width: 560px) {
  .atlas-shell { width: calc(100% - 24px); }
  .atlas-breadcrumb { gap: 7px; margin-bottom: 22px; font-size: 11px; }
  .atlas-hero h1 { font-size: 29px; letter-spacing: -.8px; }
  .atlas-hero h1 em { display: block; margin-top: 4px; }
  .atlas-hero p { font-size: 12px; }
  .atlas-stats > div { padding: 14px 16px; }
  .atlas-stats strong { font-size: 23px; }
  .atlas-featured, .atlas-index { padding: 20px 14px; }
  .featured-visual { height: 180px; }
  .featured-body { padding: 17px 16px; }
  .featured-body > p { min-height: 0; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card { padding: 15px; }
  .atlas-note { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .atlas-page *, .atlas-page *:before, .atlas-page *:after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}