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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background-color: #FFFFFF;
  color: #333333;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}

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

ul, ol {
  list-style: none;
}

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

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #1CBFBD; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #0A6E6D; }

:root {
  --primary: #0A6E6D;
  --primary-light: #1CBFBD;
  --primary-dark: #138E8D;
  --primary-deep: #091C4F;
  --text-dark: #091C4F;
  --text-medium: #6E8092;
  --text-light: #96A3A3;
  --text-muted: rgba(0, 0, 0, 0.65);
  --bg-light: #ECF6F9;
  --bg-gray: #F7F6F9;
  --bg-blue: #EDF6F9;
  --bg-news: #ECF6F9;
  --white: #FFFFFF;
  --dark: #333333;
  --accent: #9CFFFE;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

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

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 110, 109, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

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

.btn-large {
  padding: 16px 40px;
  font-size: 18px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 36px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.section-line {
  width: 60px;
  height: 3px;
  background: var(--primary-light);
  margin: 0 auto;
}

.section-en {
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 0.075em;
  color: var(--primary);
  text-align: center;
  text-transform: uppercase;
  margin-top: 6px;
  opacity: 0.22;
}

.text-center { text-align: center; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .section {
    padding: 50px 0;
  }
  .section-title {
    font-size: 28px;
  }
}