@charset "UTF-8";

/* ============ 移动版（默认隐藏，≤900px 显示） ============ */
.view-mobile {
  background: #f5f7fa;
  min-height: 100vh;
}

.mobile-about-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: #fff;
}
.mobile-about-header .logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-about-header .logo img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}
.mobile-about-header .logo span {
  font-size: 18px;
  font-weight: 600;
  color: #000;
}
.mobile-about-header .menu-btn {
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}
.mobile-about-header .menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.mobile-about-header .menu-btn.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.mobile-about-header .menu-btn.is-open span:nth-child(2) {
  opacity: 0;
}
.mobile-about-header .menu-btn.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-about-banner {
  position: relative;
  background: linear-gradient(135deg, #2F75FF 0%, #1E5AF5 60%, #0F44DD 100%);
  padding: 48px 20px;
  overflow: hidden;
}
.mobile-about-banner .banner-content {
  position: relative;
  z-index: 1;
}
.mobile-about-banner .banner-title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.mobile-about-banner .banner-subtitle {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 1px;
}
.mobile-about-banner .banner-building {
  position: absolute;
  right: -20px;
  bottom: 0;
  width: 180px;
  height: 90%;
  z-index: 0;
  opacity: 0.9;
}
.mobile-about-banner .banner-building svg {
  width: 100%;
  height: 100%;
}

.mobile-about-intro {
  padding: 24px 16px 16px;
  margin-top: -24px;
  position: relative;
  z-index: 2;
}
.mobile-about-intro .intro-card {
  background: #fff;
  border-radius: 16px;
  padding: 24px 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.mobile-about-intro .company-name {
  font-size: 18px;
  font-weight: 700;
  color: #222;
  margin-bottom: 6px;
}
.mobile-about-intro .company-en {
  font-size: 12px;
  color: #999;
  margin-bottom: 18px;
}
.mobile-about-intro .company-desc {
  font-size: 14px;
  color: #555;
  line-height: 1.8;
}
.mobile-about-intro .company-desc p {
  margin-bottom: 12px;
  text-align: justify;
}
.mobile-about-intro .company-desc p:last-child {
  margin-bottom: 0;
}

.mobile-about-values {
  padding: 16px;
}
.mobile-about-values .value-item {
  background: #fff;
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.mobile-about-values .value-item:last-child {
  margin-bottom: 0;
}
.mobile-about-values .value-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mobile-about-values .value-icon img {
  width: 40px;
  height: 40px;
}
.mobile-about-values .value-icon.blue {
  background: #EAF1FF;
}
.mobile-about-values .value-icon.purple {
  background: #F0EBFF;
}
.mobile-about-values .value-icon.cyan {
  background: #E6F7FF;
}
.mobile-about-values .value-body {
  flex: 1;
}
.mobile-about-values .value-title {
  font-size: 16px;
  font-weight: 700;
  color: #222;
  margin-bottom: 8px;
}
.mobile-about-values .value-text {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
}
.mobile-about-values .value-text p {
  margin-bottom: 8px;
}
.mobile-about-values .value-text p:last-child {
  margin-bottom: 0;
}
.mobile-about-values .value-text strong {
  color: #333;
  font-weight: 600;
}

.mobile-about-contact {
  padding: 32px 16px;
  text-align: center;
}
.mobile-about-contact .section-title {
  font-size: 22px;
  font-weight: 700;
  color: #222;
  margin-bottom: 8px;
}
.mobile-about-contact .section-subtitle {
  font-size: 14px;
  color: #999;
  margin-bottom: 24px;
}
.mobile-about-contact .contact-qr {
  width: 200px;
  height: 200px;
  margin: 0 auto 14px;
  border-radius: 12px;
  overflow: hidden;
  background: #f0f0f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.mobile-about-contact .contact-qr img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.mobile-about-contact .qr-label {
  font-size: 15px;
  font-weight: 600;
  color: #333;
  margin-bottom: 10px;
}
.mobile-about-contact .contact-email {
  font-size: 14px;
  color: #666;
}

/* 移动端极简页脚 */
.mobile-view6 {
  background: #0B0F1A;
  color: #c8ccd4;
  padding: 28px 20px 20px;
}
.mobile-view6 .footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.mobile-view6 .footer-left .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.mobile-view6 .footer-left .logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.mobile-view6 .footer-left .logo .text .name {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 2px;
}
.mobile-view6 .footer-left .logo .text .en {
  font-size: 13px;
  color: #8a8f99;
}
.mobile-view6 .footer-left .contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-view6 .footer-left .contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: #c8ccd4;
}
.mobile-view6 .footer-left .contact .contact-item .icon {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin-top: 2px;
  color: #8a8f99;
}
.mobile-view6 .footer-qr {
  text-align: center;
  flex: 0 0 auto;
}
.mobile-view6 .footer-qr .qr-box {
  width: 76px;
  height: 76px;
  margin-bottom: 8px;
}
.mobile-view6 .footer-qr .qr-box svg {
  width: 100%;
  height: 100%;
  border-radius: 10px;
}
.mobile-view6 .footer-qr .qr-label {
  font-size: 12px;
  color: #8a8f99;
}
.mobile-view6 .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}
.mobile-view6 .footer-bottom .copyright {
  font-size: 12px;
  color: #6c7079;
  text-align: center;
  line-height: 1.5;
}

/* ============ 移动端弹出菜单 ============ */
.mobile-menu-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 50;
}
.mobile-menu-mask.open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 78%;
  max-width: 320px;
  height: 100%;
  background: #fff;
  z-index: 60;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu .mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid #eee;
}
.mobile-menu .mobile-menu-header .logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-menu .mobile-menu-header .logo img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
}
.mobile-menu .mobile-menu-header .logo span {
  font-size: 18px;
  font-weight: 600;
  color: #000;
}
.mobile-menu .mobile-menu-header .close-btn {
  width: 32px;
  height: 32px;
  position: relative;
  cursor: pointer;
}
.mobile-menu .mobile-menu-header .close-btn span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 2px;
  background: #333;
  border-radius: 1px;
}
.mobile-menu .mobile-menu-header .close-btn span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}
.mobile-menu .mobile-menu-header .close-btn span:nth-child(2) {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.mobile-menu .mobile-menu-list {
  list-style: none;
  padding: 10px 0;
}
.mobile-menu .mobile-menu-list li a {
  display: block;
  padding: 16px 20px;
  font-size: 16px;
  color: #222;
  text-decoration: none;
  border-bottom: 1px solid #f2f2f2;
  transition: background 0.2s, color 0.2s;
}
.mobile-menu .mobile-menu-list li a:active {
  background: #f5f8ff;
  color: #2F75FF;
}

/* ============ 显示/隐藏切换 ============ */
@media (max-width: 900px) {
  .view-desktop {
    display: none;
  }
  .view-mobile {
    display: block;
  }
}