body {
            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            color: #333;
            overflow-x: hidden;
        }

        /* --- 导航栏样式 --- */
        .navbar {
            border: none;
            margin-bottom: 0;
            transition: all 0.4s ease;
            padding-top: 20px;
            padding-bottom: 20px;
        }

        .navbar-transparent {
            background-color: transparent;
        }

        .navbar-scrolled {
            background-color: #6a6a6a80 !important;
            padding-top: 10px;
            padding-bottom: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .navbar-brand { padding: 5px 15px;}
        .navbar-brand img {
            height: 40px; /* Logo高度 */
        }
        

        .nav > li > a {
            color: #fff !important;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 14px;
        }

        .navbar-scrolled .nav > li > a {
            /* color: #333 !important; */
        }

        .nav > li > a:hover, .nav > li > a:focus {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .navbar-scrolled .nav > li > a:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: #0056b3 !important;
        }

        /* --- Banner 样式 --- */
        .carousel-caption {
            top: 30%;
            text-align: left;
            left: 10%;
            right: 10%;
            text-shadow: none;
        }

        .carousel-caption h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #fff;
        }

        .carousel-caption p {
            font-size: 20px;
            margin-bottom: 30px;
            font-weight: 300;
        }
        .carousel-inner>.item img { width: 100%; height: auto; }

        .btn-primary {
            background-color: #0056b3;
            border: none;
            padding: 10px 30px;
            text-transform: uppercase;
            font-weight: 600;
        }

        .btn-primary:hover {
            background-color: #004494;
        }

        /* --- Section 通用 --- */
        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 32px;
            font-weight: 700;
            text-transform: uppercase;
            margin-top: 0;
        }

        .section-subtitle {
            color: #777;
            font-size: 16px;
            max-width: 700px;
            margin: 0 auto;
        }

        /* --- About Us --- */
        .about-section {
            position: relative;
            background: #fff;
            overflow: hidden;
            background-image: url('/template/images/index_about_bg.png');
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
        }

        .index-about-p { font-size: 1.5em; padding: 25px 0px;}

        .index-about-address { width: 300px;}

        .three-pic { position: absolute; top: 35px; left: 600px; width: 255px; }

        .about-text {
            padding-right: 50px;
            margin-top: 20px;
        }

        .map-bg {
            background-image: url('https://via.placeholder.com/800x600?text=World+Map+Dots'); /* 替换为地图图片 */
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
            height: 500px;
            position: relative;
        }

        .about-card {
            background-color: #0056b3;
            color: #fff;
            padding: 20px;
            position: absolute;
            bottom: 50px;
            right: 50px;
            width: 425px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .about-card h4 {
            margin-top: 0;
            border-bottom: 1px solid rgba(255,255,255,0.3);
            padding-bottom: 10px;
            font-size: 16px;
        }

        .about-card img { max-width: 100px; max-height: 55px; position: absolute; top: 75px; right: 14px;}

        /* --- Why Us --- */
        .why-us-section {
            background: url('/template/images/bg1.png') no-repeat center center fixed;            
            background-size: cover;
            color: #fff;
            position: relative;
        }

        .why-us-overlay {
            background: rgba(0, 0, 0, 0.1);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .why-us-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .stats-box {
            margin-top: 50px;
        }

        .stat-item {
            margin-bottom: 30px;
        }

        .stat-icon {
            font-size: 40px;
            margin-bottom: 15px;
            display: inline-block;
            border: 2px solid #fff;
            border-radius: 50%;
            width: 80px;
            height: 80px;
            line-height: 76px;
            color: #fff;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            display: block;
        }

        /* --- Product --- */
        

        /* --- Application --- */
        .app-card {
            border-radius: 8px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
            height: 100%;
            position: relative;
        }

        .app-card:hover {
            transform: translateY(-10px);
        }

        .app-card img {
            width: 100%;
            height: 345px;
            object-fit: cover;
        }

        .app-body {
            padding: 20px;
        }

        .app-body h4 {
            font-weight: 700;
            margin-top: 0;
        }

        /* --- News --- */
        .news-item {
            background: #fff;
            border: 1px solid #eee;
            margin-bottom: 30px;
            padding: 15px;
        }

        .news-date {
            background: #0056b3;
            color: #fff;
            padding: 5px 10px;
            position: absolute;
            bottom: 15px;
            left: 15px;
            font-weight: bold;
        }

        /* --- Footer --- */
        footer {
            background: #222;
            color: #999;
            padding: 60px 0 20px;
        }

        footer h4 {
            color: #fff;
            margin-bottom: 25px;
            text-transform: uppercase;
            font-size: 18px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #999;
            text-decoration: none;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .contact-form input, .contact-form textarea {
            background: #333;
            border: none;
            color: #fff;
            margin-bottom: 15px;
            padding: 10px;
        }

        .contact-form button {
            background: #0056b3;
            color: #fff;
            border: none;
            padding: 10px 20px;
            width: 100%;
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .navbar { padding-top: 0px;}
            .navbar-toggle { background-color: #ffffff80;}
            .navbar-toggle .icon-bar { background-color: #fff;}
            .navbar-collapse { background-color: rgba(0, 0, 0, 0.75);}
            .navbar-scrolled .nav > li > a { color: #fff;}

            .carousel-caption {
                top: 10%;
                left: 5%;
                right: 5%;
            }
            .carousel-caption h1 {
                font-size: 28px;
            }
            .map-bg {
                display: none; /* 移动端隐藏地图背景简化布局 */
            }
            .about-card {
                position: relative;
                right: auto;
                bottom: auto;
                margin-top: 20px;
                width: 100%;
            }
        }        

.carousel-control.vertical-center {
  position: absolute;
  top: 50%;
  /* transform: translateY(-50%); */
}

/* 搜索弹窗遮罩层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* 深色半透明背景 */
    z-index: 9999; /* 保证在最顶层 */
    display: none; /* 默认隐藏 */
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 搜索框容器 */
.search-container {
    position: relative;
    width: 60%;
    max-width: 700px;
    text-align: center;
}

/* 关闭按钮 */
.close-search {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
}

/* 搜索输入框 */
#search-input {
    width: 100%;
    padding: 20px 60px 20px 30px;
    font-size: 20px;
    border: none;
    border-radius: 50px;
    outline: none;
    background: #fff;
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
}

/* 搜索提交按钮 */
.search-submit-btn {
    position: absolute;
    right: 10px;
    top: 10px;
    height: 50px;
    width: 50px;
    border-radius: 50%;
    border: none;
    background: #0056b3; /* 工业蓝 */
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.search-submit-btn:hover {
    background: #004494;
}