/* 杭州禾医启医疗科技 - 官网样式 */
:root {
  --color-primary: #0d5a7c;
  --color-primary-dark: #094260;
  --color-accent: #1a9bb5;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-bg: #fff;
  --color-bg-alt: #f5f9fc;
  --color-border: #e0e8ed;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --container:  min(1200px, 100vw - 2rem);
  --header-h: 60px;
  --space: 1.25rem;
  --radius: 8px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.container.narrow {
  max-width: 720px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
}

.nav-toggle::before {
  box-shadow: 0 6px 0 var(--color-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 4rem 0;
  background: linear-gradient(160deg, var(--color-bg-alt) 0%, #e8f2f6 100%);
}

.hero-inner {
  text-align: center;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-primary-dark);
}

.hero-tagline {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  color: var(--color-accent);
  font-weight: 600;
}

.hero-desc {
  margin: 0 auto 2rem;
  max-width: 640px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

.btn-small {
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 2.5rem 0;
  background: linear-gradient(160deg, var(--color-bg-alt) 0%, #e8f2f6 100%);
}

.page-hero h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.4rem, 3.5vw, 1.75rem);
  color: var(--color-primary-dark);
}

.page-hero p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  text-align: center;
}

.section-desc {
  margin: 0 0 2rem;
  text-align: center;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.section-cta {
  text-align: center;
  margin: 2rem 0 0;
}

.link-arrow {
  font-weight: 600;
}

/* Product grid (home) */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.product-card {
  display: block;
  padding: 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(13, 90, 124, 0.08);
  text-decoration: none;
  color: inherit;
}

.product-icon {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-alt);
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.product-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.product-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Coop grid */
.coop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.coop-card {
  padding: 1.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.coop-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
}

.coop-card p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* CTA block */
.section-cta-block {
  text-align: center;
}

.section-cta-block .btn {
  margin: 0 0.5rem 0.5rem 0;
}

/* Product detail (products page) */
.product-detail {
  padding: 2rem 0;
}

.product-detail-inner {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.product-detail-inner .product-icon {
  flex-shrink: 0;
}

.product-detail-inner h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  color: var(--color-primary-dark);
}

.product-detail-inner p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* List block */
.list-block {
  margin: 1rem 0;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

.list-block li {
  margin-bottom: 0.5rem;
}

/* Contact */
.contact-block p {
  margin: 0 0 0.75rem;
}

.contact-note {
  margin-top: 1.5rem !important;
  padding: 1rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.contact-methods {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.contact-methods .contact-qr {
  margin-top: 1rem;
}

.contact-qr img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.wechat-account-intro {
  margin: 0 0 1.5rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.wechat-account-qr {
  text-align: center;
}

.wechat-account-qr img {
  margin: 0 auto;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  background: var(--color-primary-dark);
  color: #c8dce6;
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand strong {
  display: block;
  color: #fff;
  margin-bottom: 0.25rem;
}

.footer-brand p {
  margin: 0;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.footer-links a {
  color: #c8dce6;
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-copy {
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.footer-copy p {
  margin: 0.25rem 0 0;
  opacity: 0.85;
}

.footer-copy p:first-child {
  margin-top: 0;
}

.footer-copy a {
  color: #c8dce6;
  text-decoration: none;
}

.footer-copy a:hover {
  color: #fff;
  text-decoration: underline;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    display: none;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 0.75rem 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .hero {
    padding: 2.5rem 0;
  }

  .section {
    padding: 2rem 0;
  }

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

  .product-detail-inner {
    flex-direction: column;
  }
}