/* 简单、干净的企业官网样式 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #111827;
  background-color: #f3f4f6;
  line-height: 1.6;
}

/* 顶部导航 */

.site-header {
  background: #020617;
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.navbar-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #047857, #22c55e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.navbar-logo span {
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9rem;
}

.nav-links a:hover {
  color: #22c55e;
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid #22c55e;
  font-size: 0.85rem;
}

/* 通用容器 */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3.5rem;
}

/* Hero */

.hero {
  padding-top: 3rem;
  padding-bottom: 3rem;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 3rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #22c55e;
  font-weight: 600;
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0.5rem 0 1rem;
  color: #0b1120;
}

.hero-subtitle {
  color: #4b5563;
  font-size: 0.98rem;
  max-width: 38rem;
}

.hero-actions {
  margin-top: 1.75rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: #22c55e;
  color: #022c22;
  font-weight: 600;
}

.btn-primary:hover {
  background: #16a34a;
}

.btn-secondary {
  background: transparent;
  border-color: #4b5563;
  color: #e5e7eb;
}

.hero-meta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: #6b7280;
}

.hero-card {
  background: radial-gradient(circle at top, #0f172a, #020617);
  border-radius: 1.25rem;
  padding: 1.75rem;
  color: #e5e7eb;
  box-shadow: 0 20px 35px rgba(15, 23, 42, 0.55);
}

.hero-card-title {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9ca3af;
}

.hero-card-main {
  margin-top: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.hero-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  font-size: 0.8rem;
}

.hero-grid-item {
  background: rgba(15, 23, 42, 0.85);
  border-radius: 0.85rem;
  padding: 0.75rem 0.8rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

/* Section 通用 */

.section {
  margin-top: 3.5rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.section-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #6b7280;
  font-weight: 600;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0.35rem 0;
  color: #0b1120;
}

.section-description {
  color: #6b7280;
  font-size: 0.9rem;
  max-width: 34rem;
}

/* 卡片网格 */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  border-radius: 1rem;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.12);
  border: 1px solid #e5e7eb;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  color: #6b7280;
}

.card-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #22c55e;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: #16a34a;
  margin-top: 0.75rem;
  text-decoration: none;
}

/* 简单两列布局 */

.two-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.4fr);
  gap: 2.5rem;
}

/* 列表 */

.list {
  padding-left: 1.1rem;
  margin: 0.25rem 0 0;
  color: #4b5563;
  font-size: 0.9rem;
}

/* 页脚 */

.site-footer {
  background: #020617;
  color: #9ca3af;
  padding: 2rem 1.25rem 2.75rem;
  margin-top: 3rem;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.6fr);
  gap: 2.5rem;
}

.footer-brand {
  font-size: 0.9rem;
}

.footer-brand strong {
  color: #e5e7eb;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  font-size: 0.85rem;
}

.footer-nav a {
  color: #9ca3af;
  text-decoration: none;
}

.footer-nav a:hover {
  color: #22c55e;
}

.footer-bottom {
  max-width: 1120px;
  margin: 1.5rem auto 0;
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #6b7280;
}

/* 表单 */

.form {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.12);
  border: 1px solid #e5e7eb;
}

.form-row {
  margin-bottom: 0.9rem;
}

.form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #4b5563;
}

.form input,
.form textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  font-size: 0.9rem;
}

.form textarea {
  min-height: 120px;
  resize: vertical;
}

/* 面包屑 + 页面标题 */

.page-hero {
  padding-top: 2.5rem;
  padding-bottom: 1.5rem;
}

.breadcrumb {
  font-size: 0.8rem;
  color: #6b7280;
}

.breadcrumb a {
  color: #6b7280;
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #16a34a;
}

.page-title {
  margin: 0.75rem 0 0.35rem;
  font-size: 1.7rem;
  font-weight: 700;
  color: #0b1120;
}

.page-subtitle {
  margin: 0;
  color: #6b7280;
  font-size: 0.95rem;
}

/* 响应式 */

@media (max-width: 900px) {
  .hero,
  .two-columns,
  .hero-grid,
  .card-grid,
  .footer-inner,
  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2rem;
  }

  .navbar {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }

  .container {
    padding-inline: 1rem;
  }

  .site-footer {
    padding-inline: 1rem;
  }
}