/* 全局重置：去掉所有链接默认下划线 */
a {
    text-decoration: none;
    color: #333;
}

/* 鼠标悬停时有下划线 */
a:hover {
    text-decoration: underline;
}

/* 全局初始化：清除默认样式，统一盒子模型 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", Arial, sans-serif;
}

/* ========== 核心：页面 flex 布局，让页脚永远贴底 ========== */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

/* 中间所有内容自动占满剩余高度 */
.wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 横幅内标题文字 */
.banner-title {
    position: absolute;
    top: 50%;
    left: 18%;
    transform: translateY(-50%);
}
.banner-title h1 {
    font-size: 32px;
    margin: 0 0 10px;
}
.banner-title p {
    font-size: 20px;
    opacity: 0.9;
    margin: 0;
}

/* ===================== 顶部导航栏样式（电脑端水平布局） ===================== */
 /* 1. 顶部横幅（导航栏+背景图+标题） */
.hero-banner {
    width: 100%;
    height: 400px; /* 横幅高度 */
    background: url('../img/BgTop.png') no-repeat center center;
    background-size: cover;
    position: relative;
    color: #fff;
      /* 关键修复：禁止被 flex 布局压缩/拉伸 */
    flex-shrink: 0; /* 禁止压缩 */
    flex-grow: 0;  /* 禁止额外撑高 */
}

/* 导航栏透明，固定高度70px（关键：只保留这一个header样式） */
.hero-banner header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent !important;
    background-color: transparent !important;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /* 🔥 强制固定导航栏高度为70px，不被内容撑开 */
    height: 70px;
    min-height: 70px;
    max-height: 70px;
    padding: 0 25px;
    box-shadow: none;
    overflow: hidden; /* 防止内容溢出撑开高度 */
}


header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent !important;
    background-color: transparent !important;
    background: #ffffff;
   /* border-bottom: 1px solid #eee;*/
    height: 70px;
    padding: 0 25px;
}


/* Logo 区域布局 */
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Logo 图标 */
.logo-icon {
    width: 60px;
    height: 60px;
    background: url('../img/商标.png') center / contain no-repeat;
}

/* Logo 文字 */
.logo-cn {
    font-size: 30px;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1;
}

/* 导航菜单容器 */
nav {
    display: flex;
    align-items: center;
    gap: 150px;
}

/* 导航菜单链接样式 */
nav a {
    text-decoration: none;
    font-size: 16px;
    color: #FFFFFF;
    position: relative;
    display: flex;
    white-space: nowrap;
    align-items: center;
    justify-content: center;
    height: 70px;
}

/* 导航当前选中样式 */
nav a.active {
    color: #348de9;
}

/* 导航选中底部线条 */
nav a.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #348de9;
}

/* 右侧导航按钮区域 */
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 右侧按钮样式 */
.header-right a {
    text-decoration: none;
    font-size: 16px;
     color: #FFFFFF;     /* 文字白色 */
    padding: 6px 12px;
    background-color: transparent; /* 背景完全透明 */
    border-radius: 3px;
}

/* ===================== index页面内容 ===================== */
/* 🔥 核心：背景图只作用于 导航 + 内容 区域 */
.index-top-section {
	flex: 1;
	background-image: url('../img/Background Image.png');
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
}
/* 标题区域 */
.index-section
{
	height: 1200px;
	flex: 1; /* 自动占满剩余高度 */
	display: flex; /* 上下左右居中核心 */
	align-items: center; /* 垂直居中 */
	justify-content: center; /* 水平居中 */
}
/* 内容区域半透明白底 */
.index-container {
	color: #FFFFFF;
	text-align:center;
}

.index-container-en{
	font-size:100px;
	font-weight:bold;
	letter-spacing:8px;
 }
.index-container-cn{
	font-size:52px;
	margin:15px 0 25px;
 }
.index-container-desc{
	font-size:18px;
	line-height:1.8;
 }
.index-title-wrap {
	text-align: center;
	padding: 60px 20px 40px;
}
.index-title-en {
	font-size: 50px;
	color: #333;
	font-weight: 500;
	margin-bottom: 12px;
}
.index-title-cn {
	font-size: 42px;
	color: #333;
	font-weight: normal;
	margin-bottom: 20px;
}
.index-divider {
	width: 300px;
	height: 1px;
	background: #ddd;
	margin: 0 auto;
	position: relative;
}
.index-divider::after {
	content: "||||";
	position: absolute;
	left: 50%;
	top: -12px;
	transform: translateX(-50%);
	color: #bbb;
	letter-spacing: 4px;
}

/* 产品容器 */
.index-container {
	max-width: 1600px;
	margin: 0 auto;
	padding: 0 20px;
}
.index-product-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 30px;
}

/* 产品卡片 */
.index-product-card {
	background: #DDDDDD;
	border-radius: 12px;
	padding: 60px 40px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}
.index-card-content {
	display: flex;
	gap: 25px;
	margin-bottom: 30px;
}
.index-text-part {
	flex: 1;
}
.index-img-part {
	width: 260px;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden; /* 关键：超出部分隐藏，防止撑破卡片 */
	border-radius: 8px; /* 可选：和卡片圆角呼应 */
}
.index-img-part img {
	max-width: 100%;
	object-fit: contain;

	transition: transform 0.3s ease; /* 动画时间+缓动 */
	transform-origin: center; /* 从中心放大 */
}
.index-img-part:hover img {
	transform: scale(1.15); /* 放大1.15倍，可改1.1~1.3 */
}

.index-model-name {
	font-size: 28px;
	color: #222;
	text-align:left;
	margin-bottom: 20px;
}
.index-desc-text {
	font-size: 20px;
	color: #444;
	line-height: 1.7;
}

.index-more-btn {
	width: 150px;
	height: 44px;
	border-radius: 22px;
	background: #fff;
	border: none;
	font-size: 15px;
	color: #333;
	cursor: pointer;
	transition: 0.2s ease;
}

/* 父级a标签控制靠左 */
.index-product-card a {
	align-self: flex-start;
	text-decoration: none;
}


/* 鼠标悬停 / 选中变蓝 */
.index-more-btn:hover,
.index-more-btn:active {
	background: #0099ff; /* 蓝色背景 */
	color: #ffffff;     /* 文字变白 */
}

 .index-container-wrap {
	max-width: 1200px;
	margin: 0 auto;
	padding: 60px 20px;
}

/* 顶部三大优势模块 */
.index-advantage-row {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
	margin-bottom: 60px;
}
.index-advantage-item {
	padding: 15px;
	text-align: center;
	border: 1px solid #eee;
}
.index-advantage-item h4 {
	font-size: 22px;
	margin-bottom: 10px;
	color: #222;
}
.index-advantage-item p {
	font-size: 17px;
	color: #555;
	text-align: left;
}

/* 蓝色半透明背景介绍块 */
.index-blue-desc-box {
	background: rgba(0, 120, 180, 0.75);
	border-radius: 12px;
	padding: 40px 35px;
	color: #fff;
	background-image: url('img/build-bg.jpg');
	background-size: cover;
	background-position: center;
	background-blend-mode: overlay;
	margin-bottom: 80px;
}
.index-blue-desc-box p {
	font-size: 17px;
	margin-bottom: 20px;
}

/* About Us 主体区域：左文字 右图片 */
.index-about-main {
	display: flex;
	gap: 40px;
	align-items: stretch;
	margin-top: 40px;
	width: 100%;
}
.index-about-text {
	flex: 1;
	box-sizing: border-box;
}
.index-about-text h2 {
	font-size: 46px;
	font-weight: 500;
	color: #111;
	margin-bottom: 8px;
}
.index-about-text h3 {
	font-size: 32px;
	font-weight: normal;
	margin-bottom: 30px;
	color: #222;
}
.index-about-text p {
	font-size: 14px;
	color: #444;
	margin-bottom: 22px;
}
.index-about-img {
	flex: 1;
	overflow: hidden;
	box-sizing: border-box;
}
.index-about-img img {
	width: 100%;
	height: 100%;
	display: block;
}


/* ===================== 页面主体内容（所有页面通用） ===================== */
.container,
.contact-section {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 50px 20px;
}


/* ===================== About页面 ===================== */
.about-wrap {
    width:100%;
    margin: 0 auto;
    padding: 0px 20px;
}

/* 顶部标题区域 */
.about-top-banner-text {
	text-align: center;
	background-image: url('../img/picture2.png');
	/* background-color: #d7dadf; */
	/* 内边距：上60px 左右20px 下40px */
	padding: 70px 20px 40px;
	height: 300px;
	width: 100%;
	box-sizing: border-box;	
}
.about-top-banner-text h2 {
    font-size: 50px;
    color: #004099;
    margin-bottom: 12px;
    font-weight: 500;
}
.about-top-banner-text p {
    font-size: 25px;
    color: #666;
    max-width: 1200px;
    margin: 0 auto;
}
/* 第一块：全局业务介绍 文字+大图 */
.about-global-intro {
	
	margin-top: 10px;   /* 顶部距离上方top-banner-text间隔50px */
	margin-left: auto;  /* 左边自动填充 */
	margin-right: auto; /* 右边自动填充，实现水平居中 */
	/* background-color: #d7dadf; */
	text-align: left;
    margin-bottom: 60px;
	max-width: 1300px	
}
.about-intro-text {
    margin-bottom: 24px;
}
.about-intro-text h3 {
    font-size: 40px;
    margin-bottom: 16px;
    font-weight: 500;
}
.about-intro-text p {
    font-size: 25px;
    color: #444;
    margin-bottom: 12px;
}
.about-big-img-box {
    width: 100%;
}
.about-big-img-box img {
    width: 100%;
    display: block;
}

/* 三大理念模块 通用样式 */
.about-module-item {
	gap: 30px;
	margin-bottom: 45px;
	align-items: center;
	display: flex;
	margin-left: auto;  /* 左边自动填充 */
	margin-right: auto; /* 右边自动填充，实现水平居中 */
	/* background-color: #d7dadf; */
	max-width: 1300px	  
}
/* 奇数：图左 文字右 */
.about-module-item.left-img .mod-img {
    order: 1;
}
.about-module-item.left-img .mod-text {
    order: 2;
}
/* 偶数：文字左 图右 */
.about-module-item.right-img .mod-img {
    order: 2;
}
.about-module-item.right-img .mod-text {
    order: 1;
}
.about-mod-img {
    flex: 1;
}
.about-mod-img img {
    width: 100%;
    display: block;
}
.about-mod-text {
    flex: 1;
}
.about-mod-text h4 {
    font-size: 25px;
    margin-bottom: 12px;
    text-align: center;
}
.about-mod-text p {
    font-size: 20px;
    color: #555;
    text-align: justify;
}

/* ===================== message页面 ===================== */



/* ===================== 联系页面专用：左右两栏居中布局 ===================== */
.contact-section {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 60px;
}

/* 联系页面左侧信息宽度固定 */
.contact-company-info {
    flex: 0 0 300px;
    line-height: 2.5;
    font-size: 16px;
}

/* 主规则：普通状态 */
.contact-company-info-p-link {
    color: inherit;
    text-decoration: none;
}

/* 所有伪类状态：都去掉下划线、颜色继承 */
.contact-company-info-p-link:link,
.contact-company-info-p-link:visited,
.contact-company-info-p-link:hover,
.contact-company-info-p-link:active,
.contact-company-info-p-link:focus {
    color: inherit !important;
    text-decoration: none !important;
    outline: none; /* 去掉点击/焦点外框 */
}

 /*右侧百度地图容器*/
.contact-map {
	flex: 0 0 580px;
	height: 400px;
	border: 1px solid #eee;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.contact-map iframe {
	width: 100%;
	height: 100%;
	border: none;
}

/* ===================== 面包屑导航 ===================== */
.breadcrumb {
    background: #fff;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    color: #666;
}
.breadcrumb a {
    color: #348de9;
    text-decoration: none;
}

/* ===================== 页脚样式 ===================== */

/* 页脚：禁止被压缩，删掉所有position: fixed样式！ */
footer {
	margin-top: 10px; 
    flex-shrink: 0;
    background: #222;
    color: #fff;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    width: 100%;
    height: 310px; /* 横幅高度 */
}

 /* 顶部：Logo + 导航 */
.footer-top {
	width: 1300px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    margin-left: auto;  /* 左边自动填充 */
  	margin-right: auto; /* 右边自动填充，实现水平居中 */
  	 /* 加上负的margin-top，把元素往上拉 */
    margin-top: -10px; /* 数值越大，距离顶部越近 */
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo img {
    height: 40px;
}

.footer-logo-text h2 {
    font-size: 30px;
    font-weight: bold;
    line-height: 1.2;
}

.footer-nav {
    display: flex;
    gap: 35px;
}

.footer-nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 28px;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #0066ff;
}

/* 关键：和图片完全一致的水平布局 */
.footer-middle {
	/*background:#0052CC;*/
	display: flex;             /* 将元素设置为 Flex 布局容器，子元素默认水平排列 */
	justify-content: space-between;  /* 水平方向上，子元素两端对齐，剩余空间均匀分布在元素之间 */
	align-items: flex-start;   /* 垂直方向上，子元素与容器顶部对齐 */
	margin-bottom: 10px;       /* 设置元素下方的外边距为 10 像素，和下方元素拉开距离 */
	width: 1300px;             /* 设置元素的宽度为 1500 像素 */
	height: 200px;             /* 设置元素的高度为 200 像素（代码中也标注为横幅高度） */
	margin-left: auto;  /* 左边自动填充 */
  	margin-right: auto; /* 右边自动填充，实现水平居中 */
}

 /* 联系信息容器，让三个项目均匀分布 */
.contact-info {
    display: flex;
    gap: 0;
    flex: 1;
    justify-content: space-around; /* 三个项目均匀分布 */
    align-items: center;
     /* 加上负的margin-top，把元素往上拉 */
    margin-top: 25px; /* 数值越大，距离顶部越近 */
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: left;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.contact-icon svg {
    width: 30px;
    height: 30px;
    fill: #ffffff;
}
/* 文字容器纵向排列，两行分开 */
.contact-text {
   text-align: center;
}

.contact-label {
    font-size: 15px;
    margin-bottom: 5px;
    color: #cccccc;
}


.contact-value {
    font-size: 15px;
    color: #ffffff;
}

/* 主规则：普通状态 */
.contact-value-link {
    color: inherit;
    text-decoration: none;
    display: inline-block;
}

/* 所有伪类状态：都去掉下划线、颜色继承 */
.contact-value-link:link,
.contact-value-link:visited,
.contact-value-link:hover,
.contact-value-link:active,
.contact-value-link:focus {
    color: inherit !important;
    text-decoration: none !important;
    outline: none; /* 去掉点击/焦点外框 */
}


/* 二维码容器 */
.qrcode-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    margin-left: 40px; /* 和联系信息保持一点间距 */
}

.qrcode-box {
    width: 150px;
    height: 150px;
    background-image: url("../img/lianxi.png");
  	background-size: contain;     /* 自适应显示完整图片 */
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.qrcode-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qrcode-label {
    font-size: 20px;
    color: #ffffff;
}

/* 底部版权信息 */
.footer-bottom { 
	width: 100%;
    border-top: 1px solid #444444;
    padding-top: 16px;
    text-align: center;
    font-size: 16px;
    margin-left: auto;  /* 左边自动填充 */
  	margin-right: auto; /* 右边自动填充，实现水平居中 */
    color: #cccccc;
}
/* ===================== 产品页面专用布局 ===================== */
.product-page {
    display: flex;
    gap: 40px;
}

/* 左侧分类菜单 */
.product-sidebar {
    flex: 0 0 160px;
    border: 1px solid #eee;
    background: #fff;
    align-self: flex-start;
}
.product-sidebar ul {
    list-style: none;
}
.product-sidebar li {
    border-bottom: 1px solid #eee;
}
.product-sidebar li:last-child {
    border-bottom: none;
}
.product-sidebar a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #333;
    font-size: 16px;
}
.product-sidebar a:hover {
    background-color: #f8f8f8;
    color: #348de9;
}

/* 【当前选中/激活状态】字体变蓝色（核心代码） */
.product-sidebar a.active {
    color: #348de9;
    font-weight: bold;
    background: #f5f9ff;
}

/* 右侧产品网格：强制3列，自动换行 */
.product-content {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    justify-items: center;
}

/* 产品项：固定宽度，防止图片被拉伸 */
.product-item {
    text-align: center;
    max-width: 250px;
}
.product-item img {
    width: 100%;
    height: auto;
    border: 1px solid #eee;
    margin-bottom: 10px;
}
.product-item p {
    font-size: 16px;
    color: #333;
}

/* ----------------- 产品文字 鼠标悬浮+选中 都变蓝 ----------------- */
.product-item a {
    text-decoration: none;
}
.product-item a:hover p {
    color: #348de9 ;
}
.product-item a.active p {
    color: #348de9 ;
    font-weight: bold;
}

/* ===================== 产品详情页：放大缩小都不乱版 ===================== */
 /* 卡片容器 */
.card-container {
	flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.display-card-container{
	flex: 1;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	max-width: 1200px;
	margin: 0 auto;	
}

.wheel-card-container{
	flex: 1;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	max-width: 1200px;
	margin: 0 auto;	
}



/* 卡片基础样式 */
.product-card {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 25px;
}

/* 卡片标题 */
.card-title {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.card-title::before {
    content: "";
    width: 5px;
    height: 22px;
    background-color: #0052cc;
    margin-right: 10px;
}

/* 卡片图片区域 */
/* 卡片图片区域 */
.card-image {
    width: 100%;
    height: 220px;
    background-color: #222;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: hidden;
}

/* 图片占位样式，可替换为真实图片 */
.card-image img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
	 /* 强制图片自身居中兜底 */
	display: block;
	margin: 0 auto;
}

.product-card-image {
    width: 100%;
    height: 220px;
    background-color: #222;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: hidden;
}

/* 图片占位样式，可替换为真实图片 */
.product-card-image img {
    width: auto;
    height: auto;
    max-width: 68%;
    max-height: 68%;
    object-fit: contain;
	 /* 强制图片自身居中兜底 */
	display: block;
	margin: 0 auto;
}

.product-wheel-card-image {
    width: 100%;
    height: 220px;
    background-color: #222;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: hidden;
}

/* 图片占位样式，可替换为真实图片 */
.product-wheel-card-image img {
    width: auto;
    height: auto;
    max-width: 50%;
    max-height: 50%;
    object-fit: contain;
	 /* 强制图片自身居中兜底 */
	display: block;
	margin: 0 auto;
}


/* 卡片描述文本 */
.card-desc {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 30px;
}

.card-desc+h1{
	font-size: 20px;
 	text-align: center;
}

h1 + h2{
	font-size: 20px;
	text-align: center;
	
}

h2 + h3{
	color: #0052cc;
	font-size: 20px;
	text-align: center;
	
}

/* 按钮列表 */
.card-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 按钮样式 */
.card-btn {
    display: block;
    width: 100%;
    padding: 12px;
    text-align: center;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.card-btn:hover {
    background-color: #0052cc;
    color: #ffffff;
    border-color: #0052cc;
}

/* 点击反馈效果 */
.card-btn:active {
    transform: scale(0.98);
}

.product-detail {
  display: flex;
  gap: 50px;
  align-items: flex-start;
  flex-wrap: nowrap;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* 左侧图片：固定宽度，不放大 */
.product-image {
  flex: 0 0 400px;
  max-width: 400px;
}
.product-image img {
  width: 100%;
  height: auto;
  border: 1px solid #eee;
}

/* 右侧内容：自适应，但不超过容器 */
.product-info {
  flex: 1;
  min-width: 200px;
  max-width: calc(100% - 450px);
}

/* 标题样式 */
.product-info .title {
  font-size: 22px;
  margin-bottom: 10px;
  color: #333;
}
.product-info .model {
  font-size: 36px;
  color: #348de9;
  font-weight: bold;
  margin-bottom: 20px;
}

.product-desc {
    min-height: 100px;
    line-height: 1.8;
    font-size: 18px;
    color: #333;
    padding: 10px 0;
    margin-bottom: 20px;
}

.product-info ul {
    list-style: none;
    margin-bottom: 40px;
}
.product-info li {
    margin: 12px 0;
    padding-left: 20px;
    position: relative;
}
.product-info li::before {
    content: "○";
    color: #333;
    position: absolute;
    left: 0;
    top: 0;
}

/* 联系方式模块 */
.contact-box {
    background-color: #00479b;
    color: #fff;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 30px;
}
.contact-box h4 {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.contact-box p {
    margin: 6px 0;
    font-size: 15px;
}
.contact-box p span {
    display: inline-block;
    width: 50px;
}

/* 咨询按钮 */
.product-detail-btn {
    display: block;
    width: 140px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background-color: #00479b;
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    margin: 0 auto;
    font-size: 16px;
}

/* ========== 平板适配：769px ~ 1024px ========== */
@media (min-width: 769px) and (max-width: 1024px) {

    /* ========== 核心：彻底修复底部大量空白 ========== */
    html, body {
        width: 100% !important;
        height: auto !important;
        min-height: 100vh !important;
        margin: 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
    }

    /* 主体内容自动撑满，吃掉底部空白 */
    .wrapper,
    .container,
    .contact-section,
    .product-page,
    .index-section {
        flex: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 40px 20px !important;
        margin: 0 auto !important;
    }

    /* 取消 banner 写死高度，避免强行留白 */
    .hero-banner {
        height: auto !important;
        min-height: 260px !important;
    }
    .top-section {
        min-height: auto !important;
        height: auto !important;
    }

    /* ========== 导航栏 ========== */
    header,
    .hero-banner header {
        display: flex !important;
        flex-wrap: nowrap !important;
        padding: 18px 4% !important;
        height: 70px !important;
    }
    .logo {
        width: auto !important;
        margin-bottom: 0 !important;
    }
    .logo-cn {
        font-size: 24px;
    }
    nav {
        width: auto !important;
        gap: 28px !important;
    }
    nav a {
        font-size: 15px;
    }
    .header-right {
        display: block !important;
    }

    /* ========== 首页标题 ========== */
    .banner-title {
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
    }
    .container-en {
        font-size: 70px !important;
    }
    .container-cn {
        font-size: 38px !important;
    }
    .container-desc {
        font-size: 17px !important;
        max-width: 90%;
        margin: 0 auto;
    }

    /* ========== 产品 ========== */
    .card-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        padding: 0 20px;
    }
    .product-detail {
        flex-wrap: wrap;
        padding: 0 20px;
    }
    .product-image,
    .product-info {
        flex: 0 0 100%;
        max-width: 100%;
    }

    /* ========== 联系我们 ========== */
    .contact-section {
        flex-wrap: wrap;
        gap: 30px;
    }
    .contact-company-info,
    .contact-map {
        flex: 0 0 100%;
    }
 
    .contact-map {
        height: 350px;
    }

    /* ========== 页脚：彻底修复高度 + 底部空白 + 居中 ========== */
    footer {
        flex-shrink: 0 !important;
        width: 100% !important;
        height: auto !important; /* 取消写死 310px，这是空白元凶 */
        padding: 30px 20px !important;
        margin: 0 !important;
        background: #222 !important;
    }

    /* 页脚内部宽度自适应 */
    .footer-top,
    .footer-middle {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto 20px !important;
        flex-direction: row !important;
        justify-content: center !important;
        gap: 20px;
    }

    /* 联系信息水平排列 */
	   /* 平板：三个联系方式强制等间距、完美居中、不歪不乱 */
	.contact-info {
	    display: flex !important;
	    flex-direction: row !important;
	    justify-content: space-evenly !important;  /* 🔥 关键：三者自动等距离分布 */
	    align-items: flex-start !important;
	    width: 100% !important;
	    max-width: 900px !important;   /* 限制总宽度，不会被拉太开 */
	    margin: 0 auto !important;     /* 整体居中 */
	    gap: 0 !important;             /* 取消旧 gap，避免干扰 */
	}
	
	.contact-item {
	    flex: 1 !important;           /* 三个宽度一致 */
	    display: flex !important;
	    flex-direction: column !important;
	    align-items: center !important;
	    text-align: center !important;
	}

    /* 平板隐藏二维码 */
    .qrcode-section {
        display: none !important;
    }

    /* ========== 版权居中：你要的效果 ========== */
    .footer-bottom {
        text-align: center !important;
        padding-top: 20px !important;
        margin: 0 auto !important;
        width: 100% !important;
        color: #ccc !important;
        border-top: 1px solid #444 !important;
    }
}

/* ===================== 手机端响应式适配 ===================== */
@media (max-width: 768px) {
	/*导航栏*/
    /* 通用所有页面header基础布局统一 */
    header,
    .hero-banner header {
        height: auto !important;
        min-height: unset !important;
        max-height: unset !important;
        flex-wrap: wrap;
        padding: 10px 15px;
    }
    /* 首页无banner：普通块级白底黑字 */
    header {
        position: relative !important;
        background:#fff !important;
    }
    /* 内页带banner：绝对定位透明悬浮在图片 */
    .hero-banner header {
        position:absolute !important;
        top:0;
        left:0;
        background:transparent !important;
        border:none !important;
    }

    /* ========== Logo全局尺寸统一（首页/内页字号大小一模一样） ========== */
    .logo {
        width:100%;
        justify-content:center;
        margin-bottom:5px;
    }
    .logo-icon {
        width:40px;
        height:40px;
    }
    .logo-cn {
        font-size:22px;
    }
    /* 内页logo白色 | 首页logo黑色 */
    .hero-banner header .logo-cn {
        color:#fff !important;
    }
    header .logo-cn {
        color:#fff !important;
    }

    /* ========== 导航链接字号全部统一 ========== */
    nav {
        width:100%;
        flex-wrap:wrap;
        justify-content:center;
        gap:10px 15px;
        margin-top:5px;
    }
    nav a {
        height:auto;
        padding:5px 0;
        font-size:14px;
    }
    /* 内页导航白字，首页导航黑字 */
    .hero-banner header nav a {
        color:#fff !important;
    }
    header nav a {
        color:#fff !important;
    }

    .header-right {
        display:none;
    }

    /* banner标题移动端居中 */
    .banner-title {
        left:50%;
        transform:translate(-50%,-50%);
        width:90%;
        text-align:left;
    }
    
  	.index-product-row {
        grid-template-columns: 1fr;
    }
    .index-card-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .index-img-part {
        width: 180px;
        margin-top: 20px;
    }
    .index-title-en {
        font-size: 32px;
    }
    .index-title-cn {
        font-size: 30px;
    }
    
    .index-advantage-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .index-about-main {
        grid-template-columns: 1fr;
    }
    .index-about-img {
        margin-top: 30px;
    }
    .index-about-text h2 {
        font-size: 36px;
    }
    .index-about-text h3 {
        font-size: 26px;
    }
    
     .about-module-item {
        flex-direction: column !important;
        gap: 15px;
    }
    .about-module-item.left-img .mod-img,
    .about-module-item.left-img .mod-text,
    .about-module-item.right-img .mod-img,
    .about-module-item.right-img .mod-text {
        order: initial !important;
    }
    .about-top-banner-text h2 {
        font-size: 22px;
    }
    .about-intro-text h3 {
        font-size: 20px;
    }
    
    
    /*页脚适配移动端*/
	 footer {
        height: auto;
        padding: 30px 20px;
    }

    .footer-top,
    .footer-middle,
    .footer-bottom {
        width: 100%;
        max-width: 100%;
        height: auto;
    }

    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin-top: 0;
        margin-bottom: 30px;
    }

    .footer-logo-text h2 {
        font-size: 32px;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 18px;
    }

    .footer-nav a {
        font-size: 17px;
    }

    .footer-middle {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        margin-bottom: 30px;
    }

    .contact-info {
        flex-direction: column;
        gap: 32px;
        margin-top: 0;
        width: 100%;
        align-items: flex-start;
    }

    /* 图标靠左，文字整体在图标右侧，label、value各自单独一行 */
    .contact-item {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        gap: 20px;
    }

    .contact-icon {
        width: 62px;
        height: 62px;
        flex-shrink: 0;
    }
    .contact-icon svg {
        width: 34px;
        height: 34px;
    }

    /* 文字容器纵向排列，两行分开 */
    .contact-text {
        display: flex;
        flex-direction: column;
        text-align:left;
    }
    .contact-label {
        font-size: 18px;
        color: #cccccc;
        margin-bottom: 8px;
    }
    .contact-value {
        font-size: 18px;
        color: #ffffff;
    }

    /* 移动端隐藏二维码 */
    .qrcode-section {
        display: none !important;
    }

    .footer-bottom {
        padding-top: 20px;
        font-size: 15px;
        text-align: left;
    }
    
   /* 主页*/
  .container-en {
        font-size: 48px !important; /* 手机英文缩小 */
        letter-spacing: 2px;
    }
    .container-cn {
        font-size: 28px !important; /* 手机中文缩小 */
        margin: 10px 0 15px;
    }
    .container-desc {
        font-size: 16px !important; /* 描述文字缩小 */
        line-height: 1.6;
    }
    
    
    
    
   /* 产品页面*/
     .card-container {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 10px;
    }

    .product-card {
        padding: 20px;
    }

    .card-title {
        font-size: 20px;
    }

    .card-image {
        height: 180px;
    }

    .card-desc {
        font-size: 15px;
        margin-bottom: 20px;
    }

    .card-btn {
        padding: 10px;
        font-size: 15px;
    }
    
    
    /*产品详情页*/
    .product-info ul {
        margin-bottom: 30px;
        padding: 0 15px; /* 手机左右留白，不贴边 */
    }
    .product-info li {
        margin: 8px 0;
        padding-left: 16px;
        font-size: 15px;
        line-height: 1.5;
    }
    .product-info li::before {
        font-size: 14px;
    }
    
   /* 联系方式*/
   .contact-box {
        padding: 14px 12px;
        margin-bottom: 20px;
    }
    .contact-box h4 {
        font-size: 15px;
        margin-bottom: 8px;
    }
    .contact-box p {
        font-size: 14px;
        margin: 5px 0;
        /* 取消单行卡死，超长内容自动换行 */
        display: flex;
        flex-wrap: wrap;
    }
    .contact-box p span {
        width: 52px; /* 缩小固定标签宽度 */
        flex-shrink: 0; /* 标签文字不压缩 */
    }
    /* 内容区域适配不动 */
    .contact-section {flex-wrap:wrap;padding:30px 15px;}
    .index-section {flex-wrap:wrap;padding:30px 15px;}
    .contact-company-info {flex:0 0 100%;text-align:center;}
    .contact-company-info p{text-align:left;}
    .contact-map {flex:0 0 100%;height:320px;}
    .product-page {flex-wrap:wrap;}
    .product-sidebar {flex:0 0 100%;}
    .product-content {grid-template-columns:repeat(2,1fr);gap:20px;}
    .product-detail {flex-wrap:wrap;}
    .product-image,.product-info {flex:0 0 100%;max-width:100%;}
}

@media (max-width: 576px) {
        .index-advantage-row {
            grid-template-columns: 1fr;
        }
    }