/* ===== Base (mirrors globals.css) ===== */
html {
  height: 100%;
}

body {
  margin: 0;
  background: #ffffff;
  color: #3f484f;
  font-family: 'Oxygen', Arial, 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', 'STHeiti', 'WenQuanYi Micro Hei', SimSun, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
  height: 100%;
}

p {
  line-height: 1.8;
}

h3 {
  margin-block: 1em;
  font-weight: bold;
  font-size: 1.17em;
}

a {
  color: #0000ee;
}

a:active,
a:hover {
  background: transparent !important;
}

* {
  box-sizing: border-box;
}

/* ===== Page container ===== */
.page {
  min-height: 100vh;
  background-color: #F7F9FC;
  color: #1F2A44;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid #E8ECF4;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  margin: 0 auto;
  display: flex;
  height: 78px;
  width: 100%;
  max-width: 1200px;
  align-items: center;
  justify-content: space-between;
  padding-left: 24px;
  padding-right: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #1F2A44;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
  font-size: 16px;
  font-weight: 600;
  color: #1F2A44;
}

.nav-link {
  color: #1F2A44;
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: #2B6BFF;
}

/* ===== Section title (shared underline) ===== */
.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: 7px;
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  line-height: 36px;
  color: #101820;
}

.title-bar {
  position: absolute;
  bottom: 0;
  height: 6px;
  display: block;
}

.title-bar-blue {
  left: 0;
  width: 54px;
  background-color: #2B84FF;
}

.title-bar-dark {
  left: 54px;
  width: 62px;
  background-color: #003E95;
}

/* ===== About section ===== */
.about-section {
  position: relative;
  margin-top: 8px;
  height: 520px;
  scroll-margin-top: 112px;
  overflow: hidden;
  background-color: #F6F8FB;
}

.about-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/guanyuwmen.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.about-content {
  position: relative;
  z-index: 10;
  margin: 0 auto;
  width: 100%;
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
  padding-top: 88px;
}

.about-text-wrap {
  width: 760px;
}

.about-company-name {
  margin: 22px 0 12px 0;
  font-size: 42px;
  font-weight: 700;
  line-height: 56px;
  color: #1D273A;
}

.about-desc {
  font-size: 13px;
  font-weight: 500;
  line-height: 34px;
  color: #1F2A44;
  margin: 0;
}

/* ===== Culture section ===== */
.culture-section {
  scroll-margin-top: 86px;
  background-color: #ffffff;
}

.culture-inner {
  margin: 0 auto;
  width: 100%;
  max-width: 1200px;
  padding: 64px 24px;
}

.culture-head {
  margin-bottom: 40px;
  display: flex;
  align-items: center;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.culture-card {
  border-radius: 16px;
  border: 1px solid #E7ECF7;
  background-color: #F9FBFF;
  padding: 28px;
}

.culture-card h3 {
  margin: 0 0 12px 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 34px;
  color: #1F2A44;
}

.culture-card p {
  margin: 0;
  font-size: 15px;
  line-height: 30px;
  color: #5B6B91;
}

/* ===== Contact / footer section ===== */
.contact-section {
  margin-top: 56px;
  scroll-margin-top: 112px;
  background-color: #1C2538;
}

.contact-inner {
  margin: 0 auto;
  display: flex;
  min-height: 74px;
  width: 100%;
  max-width: 1200px;
  align-items: center;
  justify-content: space-between;
  padding-left: 24px;
  padding-right: 24px;
  font-size: 14px;
  line-height: 20px;
  color: #ffffff;
}

.contact-inner p {
  margin: 0;
  line-height: 20px;
}