* {
  box-sizing: border-box;
}

:root {
  --color-primary: #176b87;
  --color-primary-dark: #0f5268;
  --color-accent: #d97706;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-bg: #f7f9fb;
  --color-white: #ffffff;
  --shadow-soft: 0 12px 32px rgba(31, 41, 55, 0.08);
}

body {
  margin: 0;
  min-width: 320px;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

[v-cloak] {
  display: none;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand {
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 6px;
  color: var(--color-muted);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
  background: rgba(23, 107, 135, 0.1);
}

.main-content {
  min-height: calc(100vh - 69px);
}

.section-label {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-section {
  padding: 88px 0;
}

.page-section h1 {
  margin: 0 0 16px;
  font-size: 40px;
  line-height: 1.2;
}

.page-section p {
  max-width: 680px;
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-muted);
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
}

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

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

.secondary-btn {
  color: var(--color-primary);
  border-color: rgba(23, 107, 135, 0.26);
  background: var(--color-white);
}

.secondary-btn:hover {
  border-color: var(--color-primary);
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
  }

  .site-nav {
    justify-content: flex-start;
    width: 100%;
  }

  .site-nav a {
    min-height: 34px;
    padding: 0 12px;
  }

  .page-section {
    padding: 56px 0;
  }

  .page-section h1 {
    font-size: 30px;
  }
}