header{
	width: 100%;
	background: #ffffff;
	box-shadow: none;
	position: relative;
	z-index: 1000;
}
header.on{
    position: relative;
    left: 0;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98);
}
.header{
	width: 100%;
}
.header_top{
	width: 100%;
	padding: 12px 0;
	display: flex;
	justify-content: space-between;
	align-items: center;
	border: none;
	background: transparent;
}

.header_top_left{
	display: flex;
	align-items: center;
}

.header_top_right{
	display: flex;
	align-items: center;
}

.header_top1{
	height: 24px;
	text-align: center;
	display: flex;
	align-items: center;
	margin-right: 35px;
	position: relative;
	cursor: pointer;
	transition: all 0.3s ease;
	padding: 4px 8px;
	border-radius: 6px;
	background: transparent;
	transform: translateY(0);
}

.header_top1:hover{
	color: #D52729;
	background: rgba(213, 39, 41, 0.08);
	transform: none;
	box-shadow: 0 2px 8px rgba(213, 39, 41, 0.1);
}

.header_top1 img{
	width: 16px;
	margin-right: 6px;
	transition: all 0.3s ease;
	filter: brightness(0.7);
}

.header_top1:hover img{
	filter: brightness(0.9);
	transform: scale(1.05);
}

/* 微信图标样式 - 与邮箱颜色一致 */
.header_top1 img[src*="wx_1.png"] {
    filter: brightness(0.7);
}

.header_top1:hover img[src*="wx_1.png"] {
    filter: brightness(0.9);
}

/* 抖音图标样式 - 加粗效果 */
.header_top1 img[src*="douyin.png"] {
    filter: brightness(0.7) contrast(1.2);
    transform: scale(1.05);
}

.header_top1:hover img[src*="douyin.png"] {
    filter: brightness(0.9) contrast(1.2);
    transform: scale(1.08);
}

/* 抖音右侧心率动画 - 跳动线条 */
.douyin-arrow {
    color: #ff3366;
    font-size: 14px;
    font-weight: bold;
    margin-left: 18px;
    animation: heartbeat-line 1.5s infinite ease-in-out;
    display: inline-block;
    width: 15px;
    height: 12px;
    position: relative;
    overflow: visible;
    line-height: 1;
    vertical-align: middle;
}

.douyin-arrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 12px;
    height: 2px;
    background: #ff3366;
    border-radius: 1px;
    transform: translateY(-50%);
    animation: heartbeat-line 1.5s infinite ease-in-out;
}

@keyframes heartbeat-line {
    0% {
        transform: scaleX(0.3);
        opacity: 0.6;
    }
    25% {
        transform: scaleX(1.0);
        opacity: 1;
    }
    50% {
        transform: scaleX(0.8);
        opacity: 0.8;
    }
    75% {
        transform: scaleX(0.9);
        opacity: 0.9;
    }
    100% {
        transform: scaleX(0.3);
        opacity: 0.6;
    }
}

.header_top1:hover .douyin-arrow {
    animation-duration: 1s;
    color: #ff1a53;
}

.header_top1:hover .douyin-arrow::before {
    background: #ff1a53;
}

.header_top1::after{
	content: '';
	width: 1px;
	height: 15px;
	background: rgba(0, 0, 0, 0.15);
	position: absolute;
	right: -15px;
	top: 55%;
	transform: translateY(-50%);
	display: block;
}
.header_top1:last-child::after{
	display: none;
}
.header_top1 .contact-info{
	position: relative;
	display: inline-block;
}
.header_top1 .contact-tooltip{
	position: absolute;
	bottom: -48px;
	left: 50%;
	transform: translateX(-50%);
	background: rgba(0, 0, 0, 0.9);
	color: white;
	padding: 8px 12px;
	border-radius: 8px;
	font-size: 12px;
	white-space: nowrap;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease, visibility 0.3s ease;
	z-index: 1000;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
	backdrop-filter: blur(10px);
	pointer-events: none;
}
.header_top1:hover .contact-tooltip{
	opacity: 1;
	visibility: visible;
	bottom: -48px;
}
.header_top1 select{
	border: none;
	outline: none;
	width: auto;
	min-width: 60px;
	height: 100%;
	font-weight: 400;
	font-size: 16px;
	color: #333333;
	padding: 0 10px 0 20px;
	text-align: center;
	appearance:none;  
	-moz-appearance:none;  
	-webkit-appearance:none;
	background-color: inherit;
	background-image: url(../img/select_1.png);
	background-position: center right;
	background-repeat: no-repeat;
	background-size: 10px auto;
	position: relative;
	z-index: 1;
	transition: all 0.3s ease;
}
.header_top1 select:hover{
	color: #D52729;
}
.header_down{
	width: 100%;
	height: 70px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 5px 0;
	margin-bottom: 20px;
	position: relative;
}

/* 导航头部与导航栏之间的分割线 */
.header-divider {
	width: 100%;
	height: 1px;
	background: linear-gradient(90deg, transparent 0%, rgba(213, 39, 41, 0.3) 20%, rgba(213, 39, 41, 0.3) 80%, transparent 100%);
	margin: 12px 0;
	position: relative;
	border-radius: 1px;
    margin-top: 0;
}

.header-divider::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.8) 50%, transparent 100%);
	opacity: 0.6;
}
.logo{
	display: flex;
	font-weight: bold;
	font-size: 24px;
	color: #333333;
	text-decoration: none;
	align-items: center;
	transition: all 0.3s ease;
	flex: 1 1 auto;
	min-width: 350px;
	max-width: 450px;
	padding: 8px 12px;
	border-radius: 8px;
	margin-top: 10px;
	background: transparent;
}
.logo:hover{
	filter: brightness(1.15);
	transform: none;
	background: transparent;
	box-shadow: none;
}
.logo img{
	height: 45px;
	display: block;
	margin-right: 12px;
	transition: all 0.3s ease;
}
.logo:hover img{
	transform: none;
}
.logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: auto;
  min-width: 650px;
  max-width: none;
}

.logo-text span {
  line-height: 1.2;
  font-weight: 800;
  font-size: 22px;
  color: #000000;
  text-align: left;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
  width: 100%;
}

/* English company name - matching width with Chinese name */
.logo-subtext:first-of-type {
  font-size: 13px;
  color: #666666;
  letter-spacing: 0.3px;
  font-weight: 500;
  width: 100%;
  min-width: 650px;  /* Match Chinese name width */
  max-width: none;
  text-align: left;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
}

.logo-subtext {
  font-weight: normal;
  font-size: 14px;
  color: #666666;
  line-height: 1.3;
  text-align: left;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
  width: 100%;
  min-width: 650px;  /* Match Chinese name width */
  max-width: none;
}

.logo-subtext:last-of-type {
  font-size: 13px;
  color: #666666;
  font-weight: 600;
  margin-top: 2px;
  width: 100%;
  min-width: 650px;  /* Match Chinese name width */
  max-width: none;
}

/* Logo hover effect - brightness increase only */
.logo:hover {
  filter: brightness(1.1);
  transform: none;
}

.logo:hover img {
  transform: none;
}

.header_down1{
	display: flex;
	align-items: center;
	height: 100%;
	gap: 5px;
	flex: 0 0 auto;
	justify-content: flex-end;
	min-width: 0;
	white-space: nowrap;
}
.header_down1 li{
	height: 100%;
}
.header_down1_1{
	display: flex;
	align-items: center;
	justify-content: center;
	min-width: 120px;
	height: 70px;
	font-weight: bold;
	font-size: 18px;
	color: #333333;
	padding: 0 25px;
	text-decoration: none;
	position: relative;
	transition: all 0.3s ease;
	border: none;
	outline: none;
	margin: 0 3px;
	border-radius: 8px;
	overflow: visible;
	white-space: nowrap;
	line-height: 1.2;
}

.header_down1_1::before{
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 0;
	height: 4px;
	background: #D52729;
	transition: all 0.3s ease;
	border-radius: 2px;
}

.header_down1_1:hover{
	color: #D52729;
	background: rgba(213, 39, 41, 0.1);
	transform: translateY(-2px);
	border: none;
	outline: none;
	box-shadow: 0 4px 15px rgba(213, 39, 41, 0.15);
}

.header_down1_1:hover::before{
	width: 90%;
}

.header_down1_1.on{
	color: #D52729;
	background: rgba(213, 39, 41, 0.15);
	font-weight: 700;
	border: none;
	outline: none;
	transform: translateY(-1px);
	box-shadow: 0 2px 10px rgba(213, 39, 41, 0.1);
}

.header_down1_1.on::before{
	width: 90%;
	background: #D52729;
}

/* 导航计数器样式 - 已隐藏 */
.nav-counter {
    display: none;
}

/* Add responsive design for PC scaling and mobile optimization */

/* PC端缩放适配 - 确保元素等比例缩放 */
@media screen and (min-width: 1200px) {
  .container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
  }
  
  .header {
    width: 100%;
    /* 使用相对单位实现更好的缩放 */
    font-size: clamp(14px, 1vw, 18px);
  }
  
  .header_top {
    width: 100%;
    padding: clamp(8px, 1vw, 12px) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .header_down {
    width: 100%;
    height: clamp(60px, 5vw, 70px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(3px, 0.5vw, 5px) 0;
    margin-bottom: clamp(10px, 1.5vw, 20px);
  }
  
  .logo {
    min-width: clamp(300px, 25vw, 350px);
    max-width: clamp(400px, 30vw, 450px);
  }
  
  .logo img {
    height: clamp(35px, 3vw, 45px);
  }
  
  .logo-text span {
    font-size: clamp(18px, 1.5vw, 22px);
  }
  
  .logo-subtext:first-of-type,
  .logo-subtext,
  .logo-subtext:last-of-type {
    min-width: clamp(550px, 25vw, 650px);
    font-size: clamp(11px, 0.8vw, 14px);
  }
  
  .header_down1 {
    gap: clamp(3px, 0.3vw, 5px);
  }
  
  .header_down1_1 {
    min-width: clamp(100px, 8vw, 120px);
    padding: 0 clamp(15px, 2vw, 25px);
    font-size: clamp(14px, 1.2vw, 18px);
    height: clamp(60px, 5vw, 70px);
  }
  
  .header_top1 {
    margin-right: clamp(20px, 2vw, 35px);
    font-size: clamp(12px, 0.9vw, 12px);
  }
  
  .header_top1 img {
    width: clamp(12px, 1vw, 16px);
    margin-right: clamp(4px, 0.5vw, 6px);
  }
  
  /* 访问计数器适配 */
  .inde_fwsj1 {
    min-width: clamp(60px, 5vw, 80px);
    padding: clamp(5px, 0.5vw, 8px) clamp(8px, 1vw, 12px);
  }
  
  .inde_fwsj1_1 {
    font-size: clamp(14px, 1.1vw, 16px);
  }
  
  .inde_fwsj1_2 {
    font-size: clamp(10px, 0.8vw, 12px);
  }
}

/* 平板端适配 (1024px - 1199px) */
@media screen and (max-width: 1199px) and (min-width: 769px) {
  .container {
    max-width: 100%;
    padding: 0 clamp(15px, 2vw, 20px);
  }
  
  .header_top {
    padding: clamp(8px, 0.8vw, 10px) 0;
    flex-direction: row;
    gap: 0;
  }
  
  .header_top_left, .header_top_right {
    justify-content: flex-start;
  }
  
  .header_top1 {
    margin-right: clamp(20px, 2vw, 25px);
    font-size: clamp(12px, 0.9vw, 14px);
    padding: clamp(3px, 0.3vw, 4px) clamp(6px, 0.8vw, 8px);
  }
  
  .header_down {
    height: clamp(60px, 4vw, 70px);
    padding: clamp(3px, 0.3vw, 5px) 0;
  }
  
  .logo {
    min-width: clamp(250px, 20vw, 300px);
    max-width: clamp(350px, 25vw, 400px);
  }
  
  .logo img {
    height: clamp(35px, 2.5vw, 40px);
  }
  
  .logo-text span {
    font-size: clamp(18px, 1.3vw, 20px);
  }
  
  .logo-subtext:first-of-type {
    font-size: clamp(11px, 0.8vw, 12px);
    min-width: clamp(250px, 20vw, 300px);
  }
  
  .logo-subtext {
    font-size: clamp(11px, 0.8vw, 12px);
    min-width: clamp(250px, 20vw, 300px);
  }
  
  .header_down1_1 {
    font-size: clamp(14px, 1.1vw, 16px);
    padding: 0 clamp(15px, 1.5vw, 20px);
    min-width: clamp(90px, 7vw, 100px);
    height: clamp(55px, 4vw, 65px);
  }
  
  /* 平板端访问计数器 */
  .inde_fwsj1 {
    padding: clamp(5px, 0.4vw, 6px) clamp(8px, 0.8vw, 10px);
    margin-right: clamp(10px, 1vw, 15px);
  }
  
  .inde_fwsj1_1 {
    font-size: clamp(12px, 1vw, 14px);
  }
  
  .inde_fwsj1_2 {
    font-size: clamp(9px, 0.7vw, 11px);
  }
}

/* 移动端适配 (768px及以下) */
@media screen and (max-width: 768px) {
  .container {
    max-width: 100%;
    padding: 0 clamp(10px, 3vw, 15px);
  }
  
  .header_top {
    padding: clamp(8px, 1vw, 12px) 0;
    flex-direction: column;
    gap: clamp(8px, 1vw, 12px);
    background: transparent;
  }
  
  .header_top_left, .header_top_right {
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(8px, 1vw, 10px);
  }
  
  .header_top1 {
    margin-right: clamp(15px, 1.5vw, 20px);
    background: transparent;
    font-size: clamp(11px, 0.9vw, 13px);
    padding: clamp(4px, 0.5vw, 6px) clamp(6px, 0.8vw, 10px);
  }
  
  .header_top1 img {
    width: clamp(12px, 1vw, 16px);
    margin-right: clamp(4px, 0.5vw, 6px);
  }
  
  .header_down {
    height: clamp(70px, 6vw, 80px);
    padding: 0;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
  
  .logo {
    flex: 1 1 auto;
    min-width: clamp(180px, 20vw, 200px);
    margin-bottom: 0;
    margin-top: clamp(5px, 0.5vw, 10px);
    max-width: clamp(250px, 25vw, 300px);
  }
  
  .logo img {
    height: clamp(30px, 2vw, 40px);
  }
  
  .logo-text span {
    font-size: clamp(16px, 1.2vw, 18px);
    color: #000000;
  }
  
  .logo-subtext:first-of-type {
    font-size: clamp(9px, 0.7vw, 11px);
    min-width: clamp(180px, 20vw, 200px);
  }
  
  .logo-subtext {
    font-size: clamp(9px, 0.7vw, 11px);
    min-width: clamp(180px, 20vw, 200px);
  }
  
  .header_down1 {
    width: auto;
    justify-content: flex-end;
    flex: 0 0 auto;
    flex-wrap: wrap;
    gap: clamp(3px, 0.3vw, 5px);
  }
  
  .header_down1_1 {
    font-size: clamp(12px, 1vw, 16px);
    padding: 0 clamp(10px, 1.2vw, 15px);
    line-height: clamp(50px, 4vw, 70px);
    height: clamp(50px, 4vw, 70px);
    width: auto;
    min-width: clamp(70px, 6vw, 80px);
    font-weight: bold;
  }
  
  /* 移动端访问计数器 */
  .inde_fwsjs {
    top: clamp(5px, 0.5vw, 10px);
  }
  
  .inde_fwsj1 {
    padding: clamp(4px, 0.4vw, 6px) clamp(6px, 0.6vw, 10px);
    margin-right: clamp(10px, 1vw, 15px);
  }
  
  .inde_fwsj1_1 {
    font-size: clamp(11px, 0.9vw, 13px);
  }
  
  .inde_fwsj1_2 {
    font-size: clamp(8px, 0.7vw, 11px);
  }
  
  /* 移动端导航优化 */
  .header_down1 li {
    flex: 1;
    min-width: 0;
  }
  
  .header_down1_1 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* 超小屏幕适配 (480px及以下) */
@media screen and (max-width: 480px) {
  .container {
    padding: 0 clamp(5px, 2vw, 10px);
  }
  
  .header_top {
    padding: clamp(6px, 0.8vw, 10px) 0;
    gap: clamp(5px, 0.7vw, 8px);
  }
  
  .header_top_left, .header_top_right {
    gap: clamp(5px, 0.7vw, 8px);
  }
  
  .header_top1 {
    margin-right: clamp(10px, 1vw, 15px);
    font-size: clamp(10px, 0.8vw, 12px);
    padding: clamp(3px, 0.3vw, 4px) clamp(5px, 0.5vw, 8px);
  }
  
  .header_down {
    height: clamp(60px, 5vw, 70px);
    flex-direction: column;
    align-items: stretch;
    padding: clamp(3px, 0.3vw, 5px) 0;
  }
  
  .logo {
    min-width: clamp(150px, 15vw, 180px);
    max-width: clamp(200px, 20vw, 250px);
    margin: clamp(3px, 0.3vw, 5px) auto;
    text-align: center;
  }
  
  .logo img {
    height: clamp(25px, 2vw, 35px);
  }
  
  .logo-text span {
    font-size: clamp(14px, 1vw, 16px);
  }
  
  .logo-subtext:first-of-type {
    font-size: clamp(8px, 0.7vw, 10px);
    min-width: clamp(150px, 15vw, 180px);
  }
  
  .logo-subtext {
    font-size: clamp(8px, 0.7vw, 10px);
    min-width: clamp(150px, 15vw, 180px);
  }
  
  .header_down1 {
    width: 100%;
    justify-content: center;
    flex-wrap: nowrap;
    gap: clamp(2px, 0.2vw, 3px);
    overflow-x: auto;
    padding: clamp(3px, 0.3vw, 5px) 0;
  }
  
  .header_down1_1 {
    font-size: clamp(10px, 0.8vw, 12px);
    padding: 0 clamp(8px, 1vw, 10px);
    line-height: clamp(40px, 3vw, 50px);
    height: clamp(40px, 3vw, 50px);
    min-width: clamp(60px, 5vw, 70px);
    flex-shrink: 0;
  }
  
  .inde_fwsj1 {
    padding: clamp(3px, 0.3vw, 4px) clamp(5px, 0.5vw, 8px);
    margin-right: clamp(8px, 0.8vw, 10px);
  }
  
  .inde_fwsj1_1 {
    font-size: clamp(10px, 0.8vw, 12px);
  }
  
  .inde_fwsj1_2 {
    font-size: clamp(8px, 0.6vw, 10px);
  }
  
  /* 超小屏幕工具提示优化 */
  .header_top1 .contact-tooltip {
    font-size: clamp(8px, 0.7vw, 10px);
    padding: clamp(5px, 0.5vw, 6px) clamp(8px, 0.8vw, 10px);
    bottom: clamp(-45px, -3vw, -40px);
  }
  
  .header_top1:hover .contact-tooltip {
    bottom: clamp(-45px, -3vw, -40px);
  }
  
  /* 超小屏幕抖音跳动线优化 */
  .douyin-arrow {
    margin-left: clamp(4px, 0.5vw, 6px);
    width: clamp(8px, 1vw, 10px);
    height: clamp(8px, 1vw, 10px);
  }
  
  .douyin-arrow::before {
    width: clamp(8px, 1vw, 10px);
    height: 1px;
  }
}