/* ===== 顶部导航 ===== */
.header {
  background: #fff;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 40px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
  justify-content: center;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand .name {
  font-size: 20px;
  font-weight: 700;
  color: #000;
  letter-spacing: 2px;
}

.brand .sub {
  font-size: 10px;
  color: #000;
  letter-spacing: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-left: 60px;
}

.nav-item {
  font-size: 16px;
  color: #22262e;
  font-weight: 500;
  white-space: nowrap;
  padding: 6px 0;
  cursor: pointer;
}

.nav-item:hover {
  color: #1d85ff;
}

.nav-item.active {
  color: #1d85ff;
  border-bottom: 2px solid #1d85ff;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-btn {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #22262e;
  font-size: 18px;
}

.divider-v {
  width: 1px;
  height: 24px;
  background: rgba(194, 198, 212, 0.5);
}

.btn-text {
  font-size: 16px;
  color: #22262e;
}

.btn-primary {
  background: #1d85ff;
  color: #fff;
  border-radius: 9999px;
  height: 36px;
  padding: 0 20px;
  font-size: 16px;
}

.menu-toggle {
  display: none;
  font-size: 24px;
  background: none;
  border: none;
  color: #22262e;
}

/* ===== 底部 ===== */
.footer {
  background: #fff;
  border-top: 1px solid #eee;
  padding: 48px 40px 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(5, 1fr);
  gap: 32px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 13px;
  color: #8e8e8e;
  line-height: 22px;
}

.footer-col h4 {
  font-size: 14px;
  color: #22262e;
  margin: 0 0 16px;
  font-weight: 500;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: #8e8e8e;
  line-height: 28px;
}

.footer-col a:hover {
  color: #1d85ff;
}
.footer-brand{
  width:260px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #555;
  margin-bottom: 6px;
}

.footer-contact-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-qr-row {
  display: flex;
  gap: 24px;
  margin-top: 14px;
}

.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-img {
  width: 80px;
  height: 80px;
  background: #f3f4f6;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8e8e8e;
  font-size: 12px;
}

.qr-label {
  font-size: 12px;
  color: #8e8e8e;
}

.footer-bottom {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  color: #8e8e8e;
}

.footer-bottom .sep {
  color: #ddd;
}

.footer-bottom a:hover {
  color: #1d85ff;
}