:root {
  --blue: #0876bd;
  --navy: #073767;
  --deep: #052f59;
  --cyan: #21b7d5;
  --ice: #f3f8fc;
  --line: #dbe7ef;
  --text: #163752;
  --muted: #60788b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font: 16px/1.75 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: #fff;
}
.wrap {
  width: min(1180px, 92%);
  margin: auto;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
a.btn { color:#ffffff;}
.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 25px;
  font-weight: 900;
  color: #075797;
  letter-spacing: -1px;
}
.logo i { font-style: normal; color: #a2c900; }
.logo small {
  margin-left: 9px;
  font-size: 13px;
  color: #34495d;
}
.navlinks {
  display: flex;
  gap: 36px;
  font-size: 14px;
}
.navlinks a:hover { color: var(--blue); }

.hero {
  position: relative;
  overflow: hidden;
  background: #f4f8fb;
}
.hero:before {
  content: "";
  position: absolute;
  inset: 0 0 0 54%;
  background: #0b477b;
}
.hero-grid {
  height: 500px;
  position: relative;
  display: grid;
  grid-template-columns: 48% 52%;
  align-items: center;
}
.hero-copy {
  position: relative;
  z-index: 3;
  padding-right: 42px;
}
.badge {
  display: inline-block;
  padding: 3px 13px;
  border-radius: 18px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}
.eyebrow {
  margin-top: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 8px 0 0;
  font-size: 45px;
  line-height: 1.18;
  color: var(--deep);
}
.hero h2 {
  margin: 10px 0 14px;
  font-size: 25px;
  color: #124d7d;
}
.hero p { max-width: 520px; color: #587287; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
  padding: 12px 24px;
  border-radius: 3px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
}
.photo-frame {
  position: absolute;
  right: -16px;
  top: 62px;
  width: 610px;
  height: 378px;
  background: #d9dde0;
  box-shadow: 0 24px 48px rgba(0, 27, 54, .26);
  overflow: hidden;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.section { padding: 70px 0; }
.soft { background: var(--ice); }
.section-title {
  text-align: center;
  margin: 0;
  color: var(--deep);
  font-size: 31px;
}
.section-title:after {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  margin: 12px auto 14px;
  background: var(--cyan);
}
.lead {
  max-width: 780px;
  margin: 0 auto 38px;
  text-align: center;
  color: var(--muted);
}
.apps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.app-card {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(14, 55, 87, .07);
  overflow: hidden;
}
.app-card img { width: 100%; height: 185px; object-fit: cover; }
.card-copy { padding: 20px; }
.card-copy h3 {
  margin: 0 0 8px;
  color: #075690;
  font-size: 20px;
}
.card-copy p { margin: 0; color: #607689; font-size: 14px; }

.rtu { background: linear-gradient(100deg, #f7fbfe, #edf5fa); }
.rtu-head {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 38px;
}
.rtu-mark {
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  border: 2px solid #7aa7ca;
  border-radius: 20px;
  background: #fff;
  color: #07518c;
  font-size: 26px;
  font-weight: 900;
}
.rtu-head h2 {
  margin: 0;
  font-size: 31px;
  color: var(--deep);
}
.rtu-head h2:after {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-top: 10px;
  background: var(--cyan);
}
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.benefit {
  padding: 0 32px;
  border-right: 1px solid #cddde8;
}
.benefit:last-child { border: 0; }
.benefit b {
  display: block;
  margin-bottom: 8px;
  color: #075690;
  font-size: 18px;
}
.benefit p { margin: 0; color: #607689; }

.pack-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.pack-card {
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(14, 55, 87, .07);
}
.pack-card img { width: 100%; height: 330px; object-fit: cover; }
.pack-card h3 {
  margin: 0;
  padding: 17px;
  text-align: center;
  color: #164e78;
}
.note {
  text-align: center;
  margin: 20px auto 0;
  color: #718494;
  font-size: 13px;
}

.sterile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.sterile {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(14, 55, 87, .06);
}
.sterile span {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font-size: 22px;
  font-weight: 900;
}
.sterile h3 { margin: 18px 0 7px; color: #075690; }
.sterile p { margin: 0; color: #607689; font-size: 14px; }

.info { background: #fff; }
.info-grid {
  display: grid;
  grid-template-columns: 34% 66%;
  gap: 30px;
  align-items: start;
}
.facts {
  padding: 26px;
  background: var(--ice);
  border-left: 4px solid var(--cyan);
}
.facts h3 { margin: 0 0 12px; color: #075690; }
.facts p { margin: 8px 0; }
.feature-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 22px;
}
.feature-row span {
  padding: 11px 5px;
  border: 1px solid #a9cee4;
  background: #fff;
  text-align: center;
  color: #075690;
  font-size: 12px;
  font-weight: 700;
}
.spec-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  font-size: 13px;
}
th {
  padding: 12px 8px;
  background: #07518c;
  color: #fff;
  white-space: nowrap;
}
td {
  padding: 11px 8px;
  border: 1px solid #d7e2e9;
  text-align: center;
  white-space: nowrap;
}
tbody tr:nth-child(even) { background: #f5f9fc; }
.source-note { margin: 18px 0 0; color: #718494; font-size: 13px; }

.faq { max-width: 900px; margin: auto; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 16px 5px;
}
.faq summary { cursor: pointer; color: #154f7d; font-weight: 700; }
.faq p { margin: 10px 0 0; color: #607689; }

.cta {
  padding: 48px 0;
  color: #fff;
  background: linear-gradient(100deg, #0878be, #07457e);
}
.cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta h2 { margin: 0; }
.cta p { margin: 4px 0 0; color: #d6e8f4; }

.form {
  flex: 0 0 420px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 26px;
  background: #fff;
  color: var(--text);
  border-radius: 3px;
  box-shadow: 0 8px 24px rgba(0, 27, 54, .1);
}
.form h3 {
  margin: 0 0 6px;
  grid-column: 1 / -1;
  color: var(--deep);
  font-size: 18px;
}
.form label {
  display: grid;
  gap: 4px;
  font-size: 14px;
}
.form label:nth-child(4),
.form label:nth-child(5),
.form textarea,
.form .form-note,
.form button {
  grid-column: 1 / -1;
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #bfd1df;
  font: inherit;
  border-radius: 2px;
  color: var(--text);
}
.form textarea { resize: vertical; }
.form button {
  border: 0;
  padding: 12px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  border-radius: 2px;
}
.form button:hover { background: #065d96; }
.form-note {
  font-size: 12px;
  color: #718494;
  margin: 0;
}

.footer {
  padding: 34px 0;
  background: #052f59;
  color: #c8d9e5;
  font-size: 13px;
}
.footer-row { display: flex; justify-content: space-between; }
.footer strong { color: #fff; }

@media (max-width: 900px) {
  .navlinks { display: none; }
  .hero:before { display: none; }
  .hero-grid {
    height: auto;
    display: block;
    padding: 55px 0 0;
  }
  .hero-copy { padding: 0 0 38px; }
  .hero h1 { font-size: 38px; }
  .photo-frame {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: 350px;
  }
  .apps { grid-template-columns: 1fr 1fr; }
  .benefits { grid-template-columns: 1fr; }
  .benefit {
    border: 0;
    border-bottom: 1px solid #cddde8;
    padding: 22px 0;
  }
  .pack-grid, .info-grid { grid-template-columns: 1fr; }
  .sterile-grid { grid-template-columns: 1fr; }
  .pack-card img { height: 280px; }
  .cta-row { display: block; }
  .form {
    flex: auto;
    margin-top: 24px;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .section { padding: 52px 0; }
  .logo small { display: none; }
  .hero h1 { font-size: 33px; }
  .hero h2 { font-size: 21px; }
  .photo-frame { height: 245px; }
  .apps { grid-template-columns: 1fr; }
  .app-card img { height: 210px; }
  .rtu-head { align-items: flex-start; }
  .rtu-mark { width: 66px; height: 66px; font-size: 20px; }
  .rtu-head h2 { font-size: 25px; }
  .pack-grid { grid-template-columns: 1fr; }
  .pack-card img { height: 230px; }
  .form { grid-template-columns: 1fr; }
  .form label:nth-child(4),
  .form label:nth-child(5),
  .form textarea,
  .form .form-note,
  .form button,
  .form h3 {
    grid-column: 1;
  }
  .footer-row { display: block; }
  .footer-row > div + div { margin-top: 18px; }
}