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

:root {
  --color-primary: #1e4d8c;
  --color-primary-dark: #163a6b;
  --color-accent: #c9a227;
  --color-text: #2c3e50;
  --color-text-light: #5a6c7d;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-border: #e2e8f0;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --shadow: 0 4px 24px rgba(30, 77, 140, 0.08);
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-bg);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  border-radius: 8px;
}

.logo-text {
  font-weight: 600;
  font-size: 16px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(30, 77, 140, 0.12), transparent),
    linear-gradient(180deg, #f0f5fc 0%, #ffffff 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(201, 162, 39, 0.15);
  color: #8b6914;
  font-size: 13px;
  font-weight: 500;
  border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(201, 162, 39, 0.3);
}

.hero h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-desc {
  color: var(--color-text-light);
  font-size: 16px;
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(30, 77, 140, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(30, 77, 140, 0.35);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-align: center;
  margin-bottom: 16px;
}

.section-lead {
  text-align: center;
  font-size: 18px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 48px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.about-card {
  background: #fff;
  padding: 32px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: transform 0.2s;
}

.about-card:hover {
  transform: translateY(-4px);
}

.about-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 18px;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.about-card p {
  color: var(--color-text-light);
  font-size: 15px;
}

/* Services */
.services-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.services-list li {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: #fff;
  padding: 28px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.service-num {
  flex-shrink: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.9;
}

.services-list h3 {
  font-size: 18px;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.services-list p {
  color: var(--color-text-light);
  font-size: 15px;
}

/* Contact */
.about-content {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  padding: 36px 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.about-content p {
  color: var(--color-text-light);
  font-size: 16px;
  line-height: 1.9;
}

.contact-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 48px 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-name {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 28px;
  text-align: center;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
}

.contact-label {
  flex-shrink: 0;
  width: 48px;
  font-weight: 600;
  opacity: 0.85;
}

.contact-list a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-list a:hover {
  opacity: 0.9;
}

/* Legal pages */
.legal-page {
  padding: 120px 0 80px;
}

.legal-page h1 {
  font-size: 32px;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--color-text-light);
  font-size: 14px;
  margin-bottom: 32px;
}

.legal-page h2 {
  font-size: 20px;
  color: var(--color-primary-dark);
  margin: 32px 0 12px;
}

.legal-page p,
.legal-page li {
  color: var(--color-text-light);
  font-size: 15px;
  margin-bottom: 12px;
}

.legal-page ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-page a {
  color: var(--color-primary);
}

.legal-back {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* Footer */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 32px 0;
}

.footer-inner {
  text-align: center;
}

.footer p {
  font-size: 14px;
  margin-bottom: 6px;
}

.icp-notice {
  font-size: 13px;
  opacity: 0.7;
}

.icp-notice a {
  color: inherit;
  text-decoration: none;
}

.icp-notice a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 640px) {
  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .logo-text {
    display: none;
  }

  .section {
    padding: 60px 0;
  }

  .services-list li {
    flex-direction: column;
    gap: 12px;
    padding: 24px;
  }

  .contact-box {
    padding: 32px 24px;
  }
}