.co2-lyon-blog {
  --primary: #0a5ea8;
  --secondary: #1389b8;
  --medical-light: #eef7fb;
  --medical-soft: #f7fbfd;
  --text: #243342;
  --muted: #617182;
  --border: #d9e7ef;
  --white: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  line-height: 1.72;
  max-width: 1180px;
  margin: 0 auto;
  background: #fff;
}

.co2-lyon-blog * {
  box-sizing: border-box;
}

.co2-lyon-blog a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.co2-lyon-blog a:hover {
  text-decoration: underline;
}

.co2-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 55px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 15%, rgba(19,137,184,.15), transparent 30%),
    linear-gradient(135deg, #f8fcfe 0%, #eef7fb 55%, #e5f2f8 100%);
  border: 1px solid var(--border);
  margin-bottom: 38px;
}

.co2-hero:after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(10,94,168,.12);
  border-radius: 50%;
  right: -90px;
  top: -100px;
}

.co2-kicker {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 30px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.co2-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  color: #16324a;
  letter-spacing: -1.2px;
}

.co2-hero h1 span {
  color: var(--primary);
}

.co2-hero p {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 860px;
  font-size: 19px;
  color: #4b6070;
}

.co2-intro {
  font-size: 18px;
  color: #405567;
  margin-bottom: 34px;
}

.co2-section {
  margin: 44px 0;
}

.co2-section h2 {
  font-size: 31px;
  line-height: 1.25;
  color: #16324a;
  margin: 0 0 18px;
  padding-left: 17px;
  border-left: 5px solid var(--primary);
}

.co2-section h3 {
  font-size: 22px;
  color: var(--primary);
  margin-top: 28px;
  margin-bottom: 12px;
}

.co2-section p {
  margin: 0 0 17px;
}

.co2-highlight {
  margin: 32px 0;
  padding: 28px 32px;
  border-radius: 18px;
  background: var(--medical-light);
  border: 1px solid #cfe4ee;
}

.co2-highlight strong {
  color: #124f82;
}

.co2-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 28px 0;
}

.co2-card {
  padding: 25px;
  background: var(--medical-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.co2-card h3 {
  margin: 0 0 9px;
  font-size: 20px;
}

.co2-card p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.co2-checklist {
  list-style: none;
  padding: 0;
  margin: 22px 0;
}

.co2-checklist li {
  position: relative;
  padding: 11px 12px 11px 42px;
  margin-bottom: 8px;
  background: #f8fbfd;
  border-radius: 10px;
}

.co2-checklist li:before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 10px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  line-height: 21px;
  text-align: center;
  font-weight: 700;
}

.co2-table-wrap {
  overflow-x: auto;
  margin: 26px 0;
}

.co2-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.co2-table th,
.co2-table td {
  padding: 15px 16px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.co2-table th {
  background: #eaf5fa;
  color: #174d76;
  font-size: 15px;
}

.co2-table tr:nth-child(even) td {
  background: #fafcfd;
}

.co2-local {
  padding: 32px;
  border-radius: 18px;
  border: 1px solid #d2e7ef;
  background:
    linear-gradient(135deg, rgba(10,94,168,.05), rgba(19,137,184,.09));
}

.co2-product-box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 32px 0;
  padding: 30px;
  border-radius: 18px;
  background: #0f466e;
  color: #fff;
}

.co2-product-box h2,
.co2-product-box h3 {
  color: #fff;
  margin-top: 0;
  border: 0;
  padding-left: 0;
}

.co2-product-box p {
  color: #e7f3f8;
}

.co2-btn {
  display: inline-block;
  width: fit-content;
  margin-top: 6px;
  padding: 13px 22px;
  border-radius: 8px;
  background: #fff;
  color: #0f5f96 !important;
  font-weight: 700;
}

.co2-faq {
  margin-top: 25px;
}

.co2-faq details {
  margin: 12px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.co2-faq summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 700;
  color: #1d4665;
  background: #f7fbfd;
}

.co2-faq details p {
  padding: 0 20px 18px;
  margin: 0;
}

.co2-author-box {
  margin-top: 45px;
  padding: 24px 28px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #fafcfd;
}

.co2-author-box strong {
  color: #174d76;
}

@media (max-width: 760px) {
  .co2-hero {
    padding: 38px 25px;
  }

  .co2-grid {
    grid-template-columns: 1fr;
  }

  .co2-section h2 {
    font-size: 27px;
  }
}