:root {
  --primary: #0891b2;
  --primary-dark: #0e7490;
  --primary-light: #ecfeff;
  --secondary: #06c755;
  --secondary-dark: #05a347;
  --accent: #f43f5e;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --bg-white: #ffffff;
  --bg-alt: #ffffff;
  --glass: rgba(255, 255, 255, 0.8);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.05);
  --radius: 12px;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Noto Sans TC', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background-color: var(--bg-white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-padding {
  padding: 80px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.3s;
  border: none;
}

.btn:active {
  transform: scale(0.95);
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass);
  backdrop-filter: blur(12px);
  border-bottom: none;
  height: 100px;
  display: flex;
  align-items: center;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a:hover, footer a:hover {
  color: var(--primary);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding-top: 180px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-main);
}

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

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* Services */
.services {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: white;
  padding: 40px;
  border-radius: var(--radius);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-card h3 {
  margin-bottom: 16px;
  font-size: 1.5rem;
}

/* Comparison */
.comparison-container {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comp-item {
  padding: 40px;
}

.comp-hospital {
  background: #ffffff;
  border-right: 1px solid #f3f4f6;
}

.comp-home {
  background: var(--primary-light);
}

.comp-item h4 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comp-list li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.cta-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s;
}

.cta-btn:hover {
  transform: scale(1.1);
}

.cta-call { background-color: var(--primary); }
.cta-line { background-color: var(--secondary); }

/* Responsive */
@media (max-width: 968px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content h1 { font-size: 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .comparison-container { grid-template-columns: 1fr; }
  
  .nav-links { 
    display: none; 
    position: absolute;
    top: 100px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px 0;
    gap: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle { display: flex; }
}