:root {
  --brand: #ff5c39;
  --brand-dark: #d94728;
  --ink: #1f2428;
  --muted: #647076;
  --line: #e9eeee;
  --surface: #f8faf9;
  --white: #ffffff;
  --soft: #fff3ef;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(233, 238, 238, 0.9);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  width: clamp(118px, 12vw, 172px);
  height: 46px;
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 34px);
  color: #3f494e;
  font-size: 14px;
}

.desktop-nav a:hover {
  color: var(--brand);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(54px, 7vw, 104px) clamp(20px, 5vw, 72px) clamp(38px, 5vw, 72px);
  gap: clamp(34px, 7vw, 92px);
  background:
    linear-gradient(100deg, #ffffff 0%, #ffffff 56%, #f7fbfa 56%, #f7fbfa 100%);
}

.kicker,
.section-title span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 18px 0 0;
  font-size: clamp(54px, 9vw, 118px);
  line-height: 0.95;
}

.hero-subtitle {
  margin: 22px 0 0;
  color: #2c3337;
  font-size: clamp(24px, 3.4vw, 44px);
  line-height: 1.16;
  font-weight: 600;
}

.hero-body {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.primary-link,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
}

.primary-link {
  padding: 0 22px;
  background: var(--brand);
  color: var(--white);
}

.text-link {
  padding: 0 12px;
  color: var(--brand-dark);
}

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border-radius: 8px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 92, 57, 0.14), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #f4f8f7 100%);
  box-shadow: inset 0 0 0 1px rgba(232, 238, 238, 0.95);
}

.pathway-visual {
  isolation: isolate;
}

.pathway-visual::before {
  position: absolute;
  right: 12%;
  bottom: 12%;
  width: 58%;
  height: 58%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 92, 57, 0.18), rgba(255, 92, 57, 0.02) 62%, transparent 70%);
  content: "";
}

.pathway-orbit {
  position: absolute;
  right: 12%;
  bottom: 10%;
  width: 58%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 92, 57, 0.18);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 92, 57, 0.1), transparent 52%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.72), transparent 64%);
}

.hero-path-nodes {
  position: absolute;
  right: 34px;
  bottom: 42px;
  left: 34px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid rgba(232, 238, 238, 0.95);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(232, 238, 238, 0.95);
  box-shadow: 0 24px 70px rgba(31, 36, 40, 0.08);
}

.hero-path-node {
  position: relative;
  min-height: 154px;
  padding: 24px 18px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
}

.hero-path-node::before {
  display: block;
  width: 12px;
  height: 12px;
  margin-bottom: 28px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 28px rgba(255, 92, 57, 0.48);
  content: "";
}

.hero-path-node:not(:last-child)::after {
  position: absolute;
  top: 29px;
  right: -50%;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 92, 57, 0.62), rgba(255, 92, 57, 0.12));
  content: "";
}

.hero-path-node span {
  display: block;
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-path-node strong {
  display: block;
  margin-top: 14px;
  color: #2c3337;
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.35;
}

.visual-panel {
  position: absolute;
  top: 34px;
  left: 34px;
  z-index: 2;
  max-width: 260px;
}

.visual-panel span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.visual-panel strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
  line-height: 1.05;
}

.visual-panel p {
  color: var(--muted);
  line-height: 1.7;
}

.barrier-layers {
  position: absolute;
  right: 10%;
  bottom: 16%;
  left: 16%;
  display: grid;
  gap: 14px;
  transform: rotate(-8deg);
}

.barrier-layers span {
  display: block;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 92, 57, 0.22), rgba(255, 255, 255, 0.7), rgba(255, 92, 57, 0.1));
  box-shadow: inset 0 0 0 1px rgba(255, 92, 57, 0.14);
}

.barrier-layers span:nth-child(2) {
  margin-left: 8%;
}

.barrier-layers span:nth-child(3) {
  margin-right: 12%;
}

.cell-network {
  position: absolute;
  right: 10%;
  bottom: 14%;
  width: 62%;
  height: 52%;
}

.cell-network i {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 30px rgba(255, 92, 57, 0.36);
}

.cell-network i:nth-child(1) { top: 8%; left: 26%; }
.cell-network i:nth-child(2) { top: 34%; left: 66%; }
.cell-network i:nth-child(3) { top: 56%; left: 42%; }
.cell-network i:nth-child(4) { top: 70%; left: 78%; }
.cell-network i:nth-child(5) { top: 24%; left: 10%; }

.product-silhouette {
  position: absolute;
  bottom: -24px;
  width: 150px;
  border-radius: 34px 34px 14px 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f0f4f3 100%);
  box-shadow: 0 30px 60px rgba(31, 36, 40, 0.14);
}

.product-silhouette::before {
  position: absolute;
  top: -54px;
  left: 44px;
  width: 62px;
  height: 56px;
  border-radius: 10px 10px 4px 4px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--line);
  content: "";
}

.product-silhouette::after {
  position: absolute;
  top: 34%;
  right: 24px;
  left: 24px;
  height: 76px;
  border-top: 3px solid var(--brand);
  border-bottom: 1px solid var(--line);
  content: "";
}

.bottle-one {
  right: 210px;
  height: 360px;
}

.bottle-two {
  right: 62px;
  height: 430px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip span {
  display: grid;
  min-height: 84px;
  place-items: center;
  border-right: 1px solid var(--line);
  color: #7a858a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(20px, 5vw, 72px);
}

.section-title {
  max-width: 760px;
}

.section-title h2 {
  margin: 12px 0 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.1;
}

.section-title p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.story-copy {
  display: grid;
  gap: 18px;
  max-width: 880px;
  margin-top: 54px;
}

.story-copy p {
  margin: 0;
  color: #394247;
  font-size: clamp(19px, 2.1vw, 28px);
  line-height: 1.9;
}

.mission-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 18px;
  margin-top: 48px;
}

.mission-panel > div {
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.mission-panel span,
.system-card > span,
.academic-list span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mission-panel h3 {
  margin: 14px 0 18px;
  font-size: clamp(24px, 3vw, 36px);
}

.mission-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.48fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: end;
}

.brand-stats {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.brand-stats div {
  padding: 22px;
  background: var(--white);
}

.brand-stats strong,
.brand-stats span {
  display: block;
}

.brand-stats strong {
  color: var(--brand);
  font-size: 18px;
}

.brand-stats span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.value-grid,
.cooperation-grid,
.contact-grid,
.product-grid,
.professional-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}

.brand-slogan-signature {
  display: block;
  width: min(640px, 84vw);
  height: auto;
  margin: 34px 0 0;
}

.value-card,
.cooperation-card,
.contact-card,
.product-card,
.professional-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.value-card,
.cooperation-card,
.professional-card {
  padding: 30px;
}

.value-card b,
.cooperation-card b,
.professional-card b {
  display: block;
  margin-bottom: 12px;
  font-size: 21px;
}

.value-card p,
.cooperation-card p,
.professional-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.path-section {
  background: var(--surface);
}

.management-path,
.system-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 48px;
}

.management-path article,
.system-card,
.academic-list article {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.management-path span {
  color: var(--brand);
  font-weight: 700;
}

.management-path h3,
.system-card h3,
.academic-list h3 {
  margin: 22px 0 12px;
  font-size: 22px;
}

.management-path p,
.system-card p,
.academic-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.system-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.system-card li {
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: #394247;
  font-size: 14px;
  line-height: 1.6;
}

.product-section,
.hospital {
  background: var(--surface);
}

.product-card {
  overflow: hidden;
}

.product-image-placeholder {
  display: grid;
  min-height: 260px;
  place-items: center;
  background: linear-gradient(155deg, rgba(255, 92, 57, 0.13), transparent 35%), #ffffff;
}

.product-image-placeholder span {
  display: grid;
  width: 118px;
  height: 188px;
  place-items: center;
  border-radius: 22px 22px 8px 8px;
  background: #f7faf9;
  box-shadow: inset 0 0 0 1px var(--line), 0 20px 50px rgba(31, 36, 40, 0.08);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.product-image-placeholder img {
  display: block;
  max-width: 78%;
  max-height: 230px;
  object-fit: contain;
}

.variant-image-group {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 18px;
  width: 100%;
  padding: 24px;
}

.variant-image-group figure {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin: 0;
  min-width: 0;
}

.variant-image-group img {
  max-width: 124px;
  max-height: 218px;
}

.variant-image-group figcaption {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  font-size: 12px;
}

.product-card > div:last-child {
  padding: 26px;
}

.product-card p {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.product-card span {
  color: var(--muted);
  line-height: 1.8;
}

.product-meta {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.product-meta small {
  display: block;
  color: #7a858a;
  font-size: 13px;
  line-height: 1.5;
}

.product-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.product-card li {
  padding: 7px 10px;
  border: 1px solid #ffd6cc;
  border-radius: 999px;
  background: var(--soft);
  color: #7a3a2c;
  font-size: 12px;
}

.perioperative,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.67fr) minmax(520px, 1fr);
  gap: clamp(42px, 8vw, 96px);
  align-items: start;
}

.pathway-list {
  display: grid;
  gap: 14px;
}

.pathway-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.pathway-item span {
  color: var(--brand);
  font-weight: 700;
}

.pathway-item p {
  margin: 0;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 600;
}

.pathway-item small {
  display: block;
  max-width: 620px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.process-line div {
  min-height: 118px;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: var(--white);
}

.process-line div:last-child {
  border-right: 0;
}

.process-line span,
.process-line strong {
  display: block;
}

.process-line span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

.process-line strong {
  margin-top: 18px;
  font-size: 18px;
}

.professional {
  background: var(--white);
}

.academic {
  background: var(--surface);
}

.academic-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 48px;
}

.academic-list article {
  min-height: 190px;
}

.contact-footnote {
  margin-top: 32px;
  color: #9aa5a9;
  font-size: 13px;
  line-height: 1.8;
}

.contact-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 760px;
}

.contact-card {
  padding: 24px;
}

.contact-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.contact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.contact-lines {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.contact-lines a {
  color: #394247;
  font-size: 15px;
  line-height: 1.4;
  word-break: break-word;
}

.contact-card-wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.contact-card-wide .contact-card-copy {
  max-width: 430px;
}

.qr-image {
  display: block;
  width: 132px;
  height: 132px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  flex: 0 0 auto;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 34px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer strong {
  color: var(--ink);
}

.footer-logo {
  display: block;
  width: 150px;
  height: auto;
}

.footer p {
  margin: 8px 0 0;
}

.icp-link {
  display: inline-block;
  margin-top: 8px;
  color: #9aa5a9;
  font-size: 12px;
}

.icp-link:hover {
  color: var(--brand);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--brand);
}

@media (max-width: 980px) {
  .desktop-nav {
    gap: 18px;
    overflow-x: auto;
    max-width: 60vw;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .hero,
  .perioperative,
  .contact,
  .split-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background: var(--white);
  }

  .hero-visual {
    min-height: 440px;
  }

  .contact-groups {
    max-width: none;
  }

  .value-grid,
  .product-grid,
  .cooperation-grid,
  .professional-grid,
  .process-line,
  .management-path,
  .system-grid,
  .academic-list,
  .mission-panel {
    grid-template-columns: 1fr;
  }

  .process-line div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-line div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 68px;
    padding: 0 16px;
  }

  .brand-mark {
    width: 122px;
    height: 42px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-link,
  .text-link {
    width: 100%;
  }

  .hero-visual {
    min-height: 360px;
  }

  .visual-panel {
    top: 24px;
    left: 22px;
  }

  .hero-path-nodes {
    right: 20px;
    bottom: 22px;
    left: 20px;
    grid-template-columns: 1fr;
  }

  .hero-path-node {
    min-height: auto;
    padding: 16px;
  }

  .hero-path-node::before {
    display: inline-block;
    margin: 0 12px 0 0;
    vertical-align: middle;
  }

  .hero-path-node:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -1px;
    left: 22px;
    width: 1px;
    height: 18px;
    background: rgba(255, 92, 57, 0.48);
  }

  .bottle-one {
    right: 142px;
    height: 250px;
  }

  .bottle-two {
    right: 34px;
    height: 310px;
  }

  .product-silhouette {
    width: 110px;
  }

  .product-silhouette::before {
    left: 32px;
    width: 46px;
  }

  .variant-image-group {
    gap: 12px;
    padding: 20px 14px;
  }

  .variant-image-group img {
    max-width: 112px;
  }

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .pathway-item {
    grid-template-columns: 52px 1fr;
  }

  .contact-groups {
    grid-template-columns: 1fr;
  }

  .contact-card-wide {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}