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

html {
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  padding-top: 0;
}

:root {
  --blue: #1058d5;
  --blue-dark: #0643af;
  --blue-deep: #073485;
  --blue-light: #eaf3ff;
  --text: #14254a;
  --muted: #6f7d95;
  --line: #e8eef7;
  --bg: #f7fbff;
  --white: #ffffff;
  --shadow: 0 10px 22px rgba(20, 75, 150, 0.08);
  --radius: 16px;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.75;
}

a {
  text-decoration: none;
  color: inherit;
}
.tips{
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background: rgba(239,160,160,0.5);
    color:#f00;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}
img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 70px 0;
}

.section-title {
  margin-bottom: 28px;
}

/* 通用链接动效 */
a {
  transition: all 0.3s ease;
}

a:hover {
  opacity: 0.85;
}

/* 按钮动效 */
.btn {
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

/* 新闻卡片动效 */
.news-item {
  transition: all 0.3s ease;
}

.news-item:hover {
  transform: translateX(8px);
}

.news-item:hover h3 {
  color: var(--blue);
}

.news-item h3 {
  transition: color 0.3s ease;
}

/* 查看详情动效 */
.read-more {
  transition: all 0.3s ease;
  display: inline-block;
}

.read-more:hover {
  transform: translateX(6px);
  color: var(--blue);
}

/* 产品卡片动效 */
.product-card {
  transition: all 0.3s ease;
}

/* 解决方案卡片动效 */
.solution-card {
  transition: all 0.3s ease;
}

.solution-card:hover h3 {
  color: var(--blue);
}

.solution-card h3 {
  transition: color 0.3s ease;
}

/* 通用页面Banner样式 */
.page-banner {
  position: relative;
  padding: 150px 0;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.page-banner-content {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: left;
}

.page-banner-title {
  font-size: 36px;
  font-weight: 500;
  color: #102856;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}
.page-banner-title::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 80px;
  background: linear-gradient(90deg, var(--blue), transparent);
  height: 4px;
  border-radius: 2px;

}
.page-banner-subtitle {
  font-size: 40px;
  font-weight:800;
  color: rgba(16, 88, 213, 0.08);
  letter-spacing: 3px;
  white-space: nowrap;
  margin-top: 10px;
  line-height: 1.6;
  position: relative;
}



/* 面包屑导航 */
.breadcrumb-nav {
  position: absolute;
  bottom: 0px;
  padding: 15px 0;
  font-size: 14px;
  width: 100%;

}

.breadcrumb-nav .container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb-nav .container i {
  color: var(--blue);
}

.breadcrumb-nav a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
  color: var(--blue);
}

.breadcrumb-nav span {
  color: #333;
  margin: 0 5px;
}

/* 页脚链接动效 */
.footer a {
  transition: all 0.3s ease;
}

.footer a:hover {
  color: #fff;
  transform: translateX(4px);
}

.section-title h2 {
  font-size: 32px;
  line-height: 1.25;
  font-weight: normal;
  letter-spacing: -0.5px;
  position: relative;
  color: var(--blue);
}

.section-title h2 .en-bg {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(-50%);
  font-size: 60px;
  font-weight: 900;
  color: rgba(16, 88, 213, 0.06);
  letter-spacing: 5px;
  white-space: nowrap;
  z-index: 1;
  text-transform: uppercase;
  pointer-events: none;
}

.section-title p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 28px;
  border-radius: 42px;
  font-size: 14px;
  font-weight: normal;
  border: 1px solid transparent;
  transition: 0.25s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #0d66e8);
  box-shadow: 0 10px 20px rgba(16, 88, 213, 0.20);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(16, 88, 213, 0.26);
}

.btn-light {
  color: var(--blue);
  background: #fff;
  border-color: #d9e8ff;
  box-shadow: 0 10px 22px rgba(20, 75, 150, 0.08);
}

.btn-light:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

/* 顶部导航 */
.header {
  height: 74px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid rgba(232, 238, 247, 0.15);
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232, 238, 247, 0.85);
}

.header.scrolled .logo-text strong {
  color: var(--text);
}

.header.scrolled .logo-text span {
  color: var(--muted);
}

.header.scrolled .nav a {
  color: var(--text);
}

.header.scrolled .nav a:hover,
.header.scrolled .nav a.active {
  color: var(--blue);
}

.header.scrolled .phone-number {
  color: var(--blue);
}

.header.scrolled .consult-btn {
  background: var(--blue);
  color: #fff;
}

/* 手机端菜单 - 桌面端隐藏 */
.mobile-nav {
  display: none;
  position: absolute;
  top: 74px;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 20px;
  z-index: 100;
  border-top: 1px solid #e8eef7;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 14px 16px;
  color: #1a2845;
  font-size: 15px;
  border-bottom: 1px solid #e8eef7;
  transition: all 0.3s ease;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--blue);
  background: #f8fbff;
  padding-left: 24px;
}

.header-inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-width: 0;
}

.logo-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logo-mark {
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  position: relative;
  box-shadow: none;
}

.logo-mark img {
  height: 45px;
  width: auto;
  display: block;
}

.logo-mark::before,
.logo-mark::after {
  display: none;
}

.logo-text strong {
  display: block;
  color: var(--text);
  font-size: 22px;
  letter-spacing: 1px;
  line-height: 1.2;
  font-weight: 500;
}

.logo-text span {
  display: block;
  margin-top: 5px;
  color: #333;
  font-size: 11px;
  letter-spacing: 0.6px;
  line-height: 1;
  font-weight: normal;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: 30px;
  font-size: 14px;
  font-weight: normal;
  color: #1a2845;
}

.nav a {
  position: relative;
  padding: 4px 15px;
  transition: color 0.25s ease;
}

.nav a.active {
  color: var(--blue);
  border:1px solid var(--blue);
  border-radius: 8px;
  background: rgba(255,255,255,0.2);
}

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



.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  text-decoration: none;
}

.phone-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: var(--blue-light);
  font-size: 18px;
  animation: phone-ring 1.5s ease-in-out infinite;
}

@keyframes phone-ring {

  0%,
  100% {
    transform: rotate(0deg);
  }

  10% {
    transform: rotate(-15deg);
  }

  20% {
    transform: rotate(15deg);
  }

  30% {
    transform: rotate(-15deg);
  }

  40% {
    transform: rotate(15deg);
  }

  50%,
  100% {
    transform: rotate(0deg);
  }
}

.phone-number {
  font-size: 20px;
  font-weight: normal;
}

.consult-btn {
  min-width: 96px;
  height: 38px;
  border-radius: 19px;
  color: #fff;
  background: var(--blue);
  font-size: 14px;
  font-weight: normal;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: var(--blue-light);
  border-radius: 10px;
  color: var(--blue);
  font-size: 22px;
  flex-shrink: 0;
  cursor: pointer;
}

.menu-icon {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--blue);
  position: relative;
  transition: all 0.3s ease;
  margin: 0 auto;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--blue);
  transition: all 0.3s ease;
  left: 0;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  bottom: -6px;
}

.menu-btn.active .menu-icon {
  background: transparent;
}

.menu-btn.active .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-btn.active .menu-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* 页脚 */
.footer {
  color: rgba(255, 255, 255, .78);
  background: #073a82;
}

.footer-main {
  padding: 56px 0 38px;
  display: grid;
  grid-template-columns: repeat(4, 1fr) 2.4fr 1fr;
  gap: 32px;
}

.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 500;
}

.footer a,
.footer p {
  display: block;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  line-height: 2.15;
}
.footer p.text-x{
   color: rgba(255, 255, 255, .5);
  font-size: 12px;
  line-height: 1.65;  
}
.footer p a {
  display: inline-block;
}

.contact-info p {
  line-height: 2;
}

.qr-group {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.qr-item {
  text-align: center;
  font-size: 13px;
}

.qr-item img {
  width: 96px;
  height: 96px;
  padding: 5px;
  border-radius: 5px;
  background: #fff;
  margin-bottom: 8px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding: 18px 0;
  text-align: center;
  color: rgba(255, 255, 255, .56);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    margin-left: 0;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    z-index: 100;
    border-top: 1px solid #e8eef7;
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    padding: 14px 20px;
    border-bottom: 1px solid #e8eef7;
    font-size: 15px;
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav a:hover,
  .nav a.active {
    color: var(--blue);
    background: #f8fbff;
    padding-left: 26px;
  }

  .nav a.active::after {
    display: none;
  }

  .phone-number {
    font-size: 14px !important;
  }

  .menu-btn {
    display: block;
    flex-shrink: 0;
  }

  .footer-main {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 760px) {
  .nav a {
    width: 100%;
  }

  .container {
    width: calc(100% - 30px);
    font-size: 12px;
  }

  .logo-text span {
    display: none;
  }

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

  .logo-mark img {
    height: 35px;
  }

  .footer-main {
    display: none;
  }

  .section {
    padding: 48px 0;
  }

  .header-actions .phone-icon,
  .header-actions .consult-btn {
    display: none;
  }

  .menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .logo-text span {
    font-size: 12px;
  }
}

/* 侧边栏工具栏 */
.sidebar-tools {
  position: fixed;
  right: 20px;
  bottom: 100px;
  background: #fff;
  border-radius: 0;
  border: 1px solid #d9e8ff;
  box-shadow: 0 10px 22px rgba(20, 75, 150, 0.08);
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  border-radius: 40px;

}

.sidebar-item {
  width: 60px;
  height: 60px;
  border-radius: 0;
  background: transparent;
  color: #102856;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 22px;
  cursor: pointer;
  border: none;
  border-bottom: 1px solid #e8eef7;
  transition: all 0.3s ease;
  position: relative;
  text-decoration: none;
}

.sidebar-item:last-child {
  border-bottom: none;
}

.sidebar-item:hover {
  color: var(--blue);
}

.sidebar-item i {
  transition: transform 0.3s ease;
}

.sidebar-item:hover i {
  transform: scale(1.1);
}

.sidebar-label {
  font-size: 12px;
  color: #102856;
  transition: color 0.3s ease;
}

.sidebar-item:hover .sidebar-label {
  color: var(--blue);
}

#backToTop {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

#backToTop.visible {
  opacity: 1;
  visibility: visible;
}

.wechat-qrcode {
  position: absolute;
  right: 65px;
  bottom: 50px;
  width: 180px;
  background: #fff;
  border-radius: 12px;
  padding: 15px;
  border: 1px solid #d9e8ff;
  box-shadow: 0 10px 22px rgba(20, 75, 150, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: all 0.3s ease;
  text-align: center;
  pointer-events: none;
}

#wechatBtn:hover+.wechat-qrcode,
.wechat-qrcode:hover {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

.wechat-qrcode img {
  width: 150px;
  height: 150px;
  display: block;
  margin: 0 auto 10px;
  border-radius: 8px;
}

.wechat-qrcode p {
  margin: 0;
  font-size: 13px;
  color: #666;
  white-space: nowrap;
}

/* 移动端底部操作栏 */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid #e8eef7;
  box-shadow: 0 -4px 16px rgba(20, 75, 150, 0.08);
  z-index: 999;
  padding: 5px 0 env(safe-area-inset-bottom, 0);
}

.mobile-bar .bar-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
  height: 44px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: all 0.25s ease;
}

.mobile-bar .bar-item i {
  font-size: 18px;
}

.mobile-bar .bar-item.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #0d66e8);
  border-radius: 22px;
  margin: 0 16px;
  box-shadow: 0 4px 12px rgba(16, 88, 213, 0.35);
}

.mobile-bar .bar-item.primary:hover {
  box-shadow: 0 6px 16px rgba(16, 88, 213, 0.45);
  transform: translateY(-1px);
}


@media (max-width: 768px) {
.header{
    height: 50px;
}
.header-inner{
    height: 50px;
}
.page-banner-title::after{
    display:none;
}
  .mobile-bar {
    display: flex;
  }

  body {
    padding-bottom: 50px;
  }

  .page-banner {
    padding: 100px 0;
  }

  .page-banner-content {
    text-align: center;
  }

  .page-banner-subtitle::after {
    left: 40%;
  }

  .sidebar-tools {
    right: 5px;
    bottom: 80px;
    padding: 8px;
  }

  .sidebar-item {
    width: 50px;
    height: 50px;
    font-size: 18px;
  }

  .sidebar-label {
    font-size: 11px;
  }
}