:root {
  --color-primary: #1B6CA8;
  --color-primary-light: #E6F0F9;
  --color-primary-dark: #124F7A;
  --color-accent: #C6A15B;
  --color-accent-soft: #7DA68A;
  --color-bg: #F4F8FC;
  --color-surface: #FFFFFF;
  --color-text: #1F2A37;
  --color-muted: #6B7A8D;
  --color-border: #E2E8F0;
  --radius: 16px;
  --shadow: 0 1px 3px rgba(18,79,122,0.08);
  --shadow-hover: 0 12px 24px rgba(18,79,122,0.12);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  --transition: all 0.3s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; }
input, textarea { font-family: inherit; }
.container-main { max-width: 80rem; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
.text-main { color: var(--color-primary); }
.text-muted { color: var(--color-muted); }
.text-gold { color: var(--color-accent); }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-hover); }
.btn-primary:active { transform: scale(0.96); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 4px rgba(27,108,168,0.3); }
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
}
.btn-secondary:hover { background: var(--color-primary-light); border-color: var(--color-primary-dark); }
.btn-secondary:active { transform: scale(0.96); }
.btn-secondary:focus { outline: none; box-shadow: 0 0 0 4px rgba(27,108,168,0.2); }
.badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.8rem;
  border-radius: 9999px;
  display: inline-block;
  line-height: 1.4;
  white-space: nowrap;
}
.badge-green { background: rgba(125,166,138,0.16); color: #4E7D5B; }
.card-newsletter {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.card-newsletter:hover { box-shadow: var(--shadow-hover); }
.input-field {
  width: 100%;
  border: 1px solid #CBD5E1;
  border-radius: 0.75rem;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  background: #fff;
  transition: var(--transition);
  color: var(--color-text);
}
.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(27,108,168,0.18);
}
.input-field::placeholder { color: #94A3B8; }
.nav-sticky {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.service-row { position: relative; transition: var(--transition); border-bottom: 1px solid var(--color-border); }
.service-row:hover { background: var(--color-primary-light); }
.service-row .service-bar { position: absolute; left: 0; top: 0; width: 3px; height: 100%; background: var(--color-primary); opacity: 0; transition: var(--transition); border-radius: 0 3px 3px 0; }
.service-row:hover .service-bar { opacity: 1; }
.service-row:hover h3 { color: var(--color-primary); }
.news-item { transition: var(--transition); }
.news-item:hover { background: rgba(230,240,249,0.45); }
.news-item:hover h3 { color: var(--color-primary); }
.news-item .news-arrow { transition: transform 0.3s ease, color 0.3s ease; }
.news-item:hover .news-arrow { transform: translateX(4px); color: var(--color-primary); }
details.faq-item summary { list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item[open] .faq-icon-plus svg { transform: rotate(45deg); }
.faq-icon-plus svg { transition: transform 0.3s ease; }
.step-dot { position: relative; }
.step-dot::after {
  content: '';
  position: absolute;
  left: 18px;
  top: 44px;
  bottom: -24px;
  width: 1px;
  background: #CBD5E1;
  border-left: 1px dashed #CBD5E1;
}
.step-dot:last-child::after { display: none; }
.grid-pattern {
  background-image: linear-gradient(rgba(27,108,168,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(27,108,168,0.04) 1px, transparent 1px);
  background-size: 26px 26px;
}
.hero-bg {
  background: linear-gradient(120deg, #E6F0F9 0%, #F4F8FC 60%, #EDE8DA 100%);
}
@media (max-width: 640px) {
  .container-main { padding-left: 0.75rem; padding-right: 0.75rem; }
  .hero-bg { background: linear-gradient(150deg, #E6F0F9 0%, #F4F8FC 100%); }
}

:root {
  --color-primary: #1B6CA8;
  --color-primary-light: #E6F0F9;
  --color-primary-dark: #124F7A;
  --color-accent: #C6A15B;
  --color-accent-soft: #7DA68A;
  --color-bg: #F4F8FC;
  --color-surface: #FFFFFF;
  --color-text: #1F2A37;
  --color-muted: #6B7A8D;
  --color-border: #E2E8F0;
  --radius: 1rem;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 12px 24px rgba(15, 23, 42, 0.12);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  --transition: all 0.3s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }
input { font-family: inherit; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #1B6CA8;
  color: #fff;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(27, 108, 168, 0.2);
}
.btn-primary:hover { background-color: #124F7A; box-shadow: 0 8px 16px rgba(27, 108, 168, 0.25); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 4px rgba(27, 108, 168, 0.25); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #fff;
  color: #1B6CA8;
  border: 2px solid #1B6CA8;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
}
.btn-secondary:hover { background-color: #E6F0F9; box-shadow: 0 8px 16px rgba(27, 108, 168, 0.12); }
.btn-secondary:active { transform: scale(0.97); }
.btn-secondary:focus { outline: none; box-shadow: 0 0 0 4px rgba(27, 108, 168, 0.2); }
.badge {
  display: inline-flex;
  align-items: center;
  background-color: #E6F0F9;
  color: #1B6CA8;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.input-field {
  width: 100%;
  background-color: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  transition: var(--transition);
  color: var(--color-text);
}
.input-field:focus {
  outline: none;
  border-color: #1B6CA8;
  box-shadow: 0 0 0 4px rgba(27, 108, 168, 0.15);
}
.input-field::placeholder { color: #9CA3AF; }
.article-content p {
  margin-bottom: 1.25rem;
  line-height: 1.9;
  color: #334155;
  font-size: 1rem;
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.25rem 0 1rem;
  color: #1F2A37;
  letter-spacing: -0.01em;
  line-height: 1.4;
  padding-top: 0.5rem;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.75rem 0 0.75rem;
  color: #1F2A37;
}
.article-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  line-height: 1.8;
  color: #334155;
}
.article-content ol {
  list-style: decimal;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  line-height: 1.8;
  color: #334155;
}
.article-content li { margin-bottom: 0.4rem; }
.article-content img {
  border-radius: 0.75rem;
  margin: 1.75rem 0;
  box-shadow: var(--shadow);
}
.article-content blockquote {
  border-left: 4px solid #1B6CA8;
  background-color: #E6F0F9;
  padding: 1rem 1.5rem;
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 1.5rem 0;
  color: #475569;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content a {
  color: #1B6CA8;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.article-content a:hover { color: #124F7A; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.article-content th,
.article-content td {
  border: 1px solid #E2E8F0;
  padding: 0.6rem 0.75rem;
  text-align: left;
}
.article-content th { background-color: #F8FAFC; font-weight: 600; }
.article-content hr {
  border: none;
  border-top: 1px solid #E2E8F0;
  margin: 2rem 0;
}
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}