/* ============================================================
   HLZHMED — 北京宏翎智合医疗科技有限公司
   Master Stylesheet
   ============================================================ */

:root {
  --primary:        #0A7EA4;
  --primary-dark:   #065E7A;
  --primary-light:  #E8F4F9;
  --accent:         #00B4A0;
  --text:           #1A2332;
  --text-secondary: #4A5568;
  --text-muted:     #8A97A8;
  --bg:             #FFFFFF;
  --bg-alt:         #F5F8FA;
  --bg-card:        #FFFFFF;
  --border:         #E2E8F0;
  --shadow-sm:      0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:      0 4px 18px rgba(10,126,164,0.10);
  --shadow-lg:      0 8px 40px rgba(10,126,164,0.14);
  --radius:         8px;
  --radius-lg:      16px;
  --transition:     0.25s ease;
  --max-width:      1160px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
               'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
}
img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Typography ── */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p  { margin-top: .55em; }

/* ── Layout helpers ── */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
}
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 52px; }
.section-header h2 { color: var(--text); }
.section-header p  { color: var(--text-secondary); margin-top: .6rem; max-width: 560px; margin-inline: auto; }
.section-header .section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(10,126,164,0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(10,126,164,0.45);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}
.btn-white:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }

/* ── Navigation ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 46px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
}
.lang-switcher a {
  font-size: .8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 16px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.lang-switcher a.active {
  background: var(--primary);
  color: #fff;
}
.lang-switcher a:hover:not(.active) { color: var(--primary); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile nav ── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 4px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: var(--radius); }
  .nav-links a.active::after { display: none; }
  .site-header { position: sticky; }
}

/* ── Hero ── */
.hero {
  position: relative;
  background: linear-gradient(135deg, #F0F8FC 0%, #FFFFFF 50%, #F5F8FA 100%);
  overflow: hidden;
  padding: 100px 0 90px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,126,164,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,160,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-content h1 {
  color: var(--text);
  margin-bottom: 20px;
}
.hero-content h1 span { color: var(--primary); }
.hero-content p {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 480px;
  margin-top: 0;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat .num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
}
.hero-stat .label {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
  max-width: 400px;
}
.hero-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.hero-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.hero-card .icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.hero-card .icon svg { width: 22px; height: 22px; }
.hero-card h4 { font-size: .88rem; color: var(--text); }
.hero-card p  { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }
.hero-card.featured {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  grid-column: span 2;
}
.hero-card.featured .icon { background: rgba(255,255,255,0.2); }
.hero-card.featured h4 { color: #fff; }
.hero-card.featured p  { color: rgba(255,255,255,0.78); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
}
@media (max-width: 480px) {
  .hero { padding: 72px 0 64px; }
  .hero-stats { gap: 20px; }
}

/* ── Service Cards ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 54px; height: 54px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; fill: var(--primary); }
.service-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.service-card p  { font-size: .9rem; color: var(--text-secondary); line-height: 1.6; }
.service-card .learn-more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .85rem; font-weight: 600; color: var(--primary);
  margin-top: 16px;
  transition: gap var(--transition);
}
.service-card:hover .learn-more { gap: 10px; }

/* ── About / Value blocks ── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.value-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); }
.value-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
}
.value-icon svg { width: 28px; height: 28px; fill: var(--primary); }
.value-card h3 { margin-bottom: 8px; }
.value-card p  { font-size: .9rem; color: var(--text-secondary); }

/* ── About split layout ── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-split.reverse { direction: rtl; }
.about-split.reverse > * { direction: ltr; }
.about-visual {
  position: relative;
}
.about-badge {
  position: absolute;
  bottom: -16px; right: -16px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.about-badge .big { font-size: 2rem; font-weight: 700; display: block; }
.about-badge .small { font-size: .78rem; opacity: .85; }
.about-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--primary-light);
  height: 380px;
  display: flex; align-items: center; justify-content: center;
}
.about-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  color: var(--primary);
}
.about-img-placeholder svg { width: 80px; height: 80px; opacity: .45; }
.about-img-placeholder span { font-size: .9rem; color: var(--text-muted); }
.about-text h2 { margin-bottom: 16px; }
.about-text p  { color: var(--text-secondary); margin-bottom: 14px; }
.about-list { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.about-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: .92rem; color: var(--text-secondary);
}
.about-list li::before {
  content: '';
  flex-shrink: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--primary-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230A7EA4'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 14px; background-position: center; background-repeat: no-repeat;
  margin-top: 2px;
}

@media (max-width: 768px) {
  .about-split { grid-template-columns: 1fr; gap: 36px; }
  .about-split.reverse { direction: ltr; }
  .about-visual { order: -1; }
}

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #065E7A 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p  { color: rgba(255,255,255,0.82); font-size: 1.05rem; margin-bottom: 36px; max-width: 520px; margin-inline: auto; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
}
.contact-info { padding: 8px 0; }
.contact-info h2 { margin-bottom: 12px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 32px; }
.contact-detail {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-detail:last-of-type { border-bottom: none; }
.contact-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; fill: var(--primary); }
.contact-detail-text h4 { font-size: .92rem; color: var(--text-muted); font-weight: 500; }
.contact-detail-text p  { font-size: 1rem; color: var(--text); font-weight: 600; margin-top: 4px; }
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 20px; }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label  { display: block; font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
input, textarea, select {
  width: 100%;
  padding: 11px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10,126,164,0.1);
}
textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; padding: 14px; font-size: 1rem; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 22px; }
}
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, #EBF5FA 0%, #F5F8FA 100%);
  padding: 72px 0 60px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 10px; }
.page-hero p  { color: var(--text-secondary); font-size: 1.05rem; max-width: 540px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { opacity: .5; }

/* ── About page ── */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
}
.mission-card {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.mission-card .num-label {
  font-size: .78rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: 14px;
}
.mission-card h3 { margin-bottom: 10px; }
.mission-card p  { font-size: .9rem; color: var(--text-secondary); }

@media (max-width: 768px) {
  .mission-grid { grid-template-columns: 1fr; }
}

/* ── Services page ── */
.service-detail {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition);
}
.service-detail:hover { box-shadow: var(--shadow-md); }
.services-list { display: flex; flex-direction: column; gap: 20px; }
.service-detail-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.service-detail-icon svg { width: 26px; height: 26px; fill: var(--primary); }
.service-detail h3 { margin-bottom: 8px; }
.service-detail p  { font-size: .92rem; color: var(--text-secondary); }
.service-tag {
  display: inline-block;
  font-size: .73rem; font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 8px;
}

/* ── Footer ── */
.site-footer {
  background: #0D1B2B;
  color: rgba(255,255,255,0.72);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .footer-logo { height: 40px; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-brand p { font-size: .88rem; line-height: 1.7; max-width: 260px; }
.footer-col h4 {
  font-size: .85rem; font-weight: 700; color: #fff;
  text-transform: uppercase; letter-spacing: .07em;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: .88rem;
  color: rgba(255,255,255,0.62);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #fff; }
.footer-contact p {
  font-size: .88rem; line-height: 1.8;
  display: flex; align-items: flex-start; gap: 8px;
}
.footer-contact p svg { flex-shrink: 0; margin-top: 3px; opacity: .7; }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: .82rem; }
.footer-bottom a { color: rgba(255,255,255,0.72); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

/* ── Utilities ── */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.fade-in { animation: fadeIn .5s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ── Map placeholder ── */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--primary-light);
  height: 260px;
  margin-top: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  flex-direction: column;
  gap: 12px;
  color: var(--text-secondary);
  font-size: .9rem;
}
.map-wrap svg { width: 36px; height: 36px; fill: var(--primary); opacity: .5; }

/* ── Divider ── */
.divider {
  width: 52px; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 16px auto 0;
}
.divider.left { margin-left: 0; }

/* ── Success message ── */
.form-success {
  display: none;
  background: #E8FBF6;
  border: 1px solid #00B4A0;
  border-radius: var(--radius);
  padding: 14px 18px;
  color: #00806F;
  font-size: .92rem;
  margin-top: 16px;
}