/* 全局样式 - 工业风基础 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}
body {
    background-color: #F5F5F5;
    color: #333;
    line-height: 1.6;
}
a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}
a:hover {
    color: #007ACC;
}
/* 标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}
.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1A1A1A;
    display: inline-block;
    padding-bottom: 15px;
    border-bottom: 3px solid #007ACC;
}
@media (max-width: 768px) {
    .section-title h2 {
        font-size: 2rem;
    }
}
/* 按钮样式 - 工业风按钮 */
.btn-industry {
    padding: 10px 30px;
    border: none;
    border-radius: 0;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-blue {
    background-color: #007ACC;
    color: #fff;
}
.btn-blue:hover {
    background-color: #0066b3;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 122, 204, 0.3);
}
.btn-orange {
    background-color: #FF7F24;
    color: #fff;
}
.btn-orange:hover {
    background-color: #e6701f;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 127, 36, 0.3);
}
/* 导航栏样式 - 滚动吸顶+渐变 */
.navbar {
    background-color: transparent;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    padding: 20px 0;
    transition: all 0.3s ease;
}
.navbar-scrolled {
    background-color: #1A1A1A;
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}
.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff !important;
    display: flex;
    align-items: center;
}
.navbar-brand i {
    color: #FF7F24;
    margin-right: 10px;
}
.nav-link {
    color: #fff !important;
    font-size: 1rem;
    font-weight: 500;
    margin: 0 15px;
    position: relative;
}
.nav-link::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #FF7F24;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
/* 导航当前页选中样式 */
.nav-link.active {
    color: #FF7F24 !important;
}
.nav-link.active::after {
    width: 100%;
}
.navbar-toggler {
    border-color: #fff !important;
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 992px) {
    .navbar-collapse {
        background-color: #1A1A1A;
        padding: 20px;
        margin-top: 10px;
        border-radius: 5px;
    }
    .nav-link {
        margin: 10px 0;
    }
}
/* 板块通用间距 */
.section {
    padding: 100px 0;
    margin-top: 80px;
}
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
        margin-top: 60px;
    }
}
/* 卡片通用样式 */
.card-base {
    background-color: #fff;
    border: 1px solid #E5E5E5;
    transition: all 0.3s ease;
    height: 100%;
}
.card-base:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}
/* 首页轮播图 */
.carousel-item {
    height: 100vh;
    min-height: 500px;
}
.carousel-item img {
    object-fit: cover;
    height: 100%;
    width: 100%;
    filter: brightness(0.4);
}
.carousel-caption {
    bottom: 50%;
    transform: translateY(50%);
    text-align: left;
    max-width: 800px;
    left: 16%;
    right: auto;
}
.carousel-caption h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}
.carousel-caption p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #f1f1f1;
}
@media (max-width: 768px) {
    .carousel-caption h1 {
        font-size: 2rem;
    }
    .carousel-caption p {
        font-size: 1rem;
    }
}
/* 核心优势卡片 */
.advantage-card {
    padding: 40px 20px;
    text-align: center;
}
.advantage-card i {
    font-size: 3rem;
    color: #007ACC;
    margin-bottom: 20px;
}
.advantage-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1A1A1A;
}
/* 产品卡片（主页） */
.product-card {
    overflow: hidden;
}
.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 3px solid #007ACC;
}
.product-card .card-body {
    padding: 20px;
}
.product-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1A1A1A;
}
/* 产品详情页 */
.product-detail {
    background-color: #fff;
    padding: 50px;
    border: 1px solid #E5E5E5;
}
.product-detail .detail-img {
    width: 100%;
    height: auto;
    border: 1px solid #E5E5E5;
    padding: 10px;
}
.product-detail .param-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
}
.product-detail .param-table th,
.product-detail .param-table td {
    border: 1px solid #E5E5E5;
    padding: 12px;
    text-align: left;
}
.product-detail .param-table th {
    background-color: #F5F5F5;
    font-weight: 700;
    color: #1A1A1A;
    width: 30%;
}
/* 新闻卡片（主页） */
.news-card {
    padding: 20px;
}
.news-card .news-date {
    color: #007ACC;
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}
.news-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1A1A1A;
}
.news-card p {
    color: #666;
    margin-bottom: 15px;
}
.news-card a i {
    margin-left: 5px;
    transition: margin-left 0.3s ease;
}
.news-card a:hover i {
    margin-left: 10px;
}
/* 新闻详情页 */
.news-detail {
    background-color: #fff;
    padding: 50px;
    border: 1px solid #E5E5E5;
}
.news-detail .news-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1A1A1A;
    text-align: center;
    margin-bottom: 20px;
}
.news-detail .news-meta {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #E5E5E5;
}
.news-detail .news-content {
    line-height: 1.8;
    color: #333;
}
.news-detail .news-content img {
    max-width: 80%;
    height: auto;
    display: block;
    margin: 30px auto;
}
/* 招聘卡片（主页） */
.job-card {
    border-left: 4px solid #007ACC;
    padding: 30px;
    margin-bottom: 20px;
}
.job-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.job-card h4 .job-type {
    font-size: 0.9rem;
    padding: 3px 10px;
    background-color: #FF7F24;
    color: #fff;
    border-radius: 20px;
}
.job-card .job-info {
    color: #666;
    margin-bottom: 15px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.job-card .job-info span {
    display: flex;
    align-items: center;
}
.job-card .job-info i {
    color: #007ACC;
    margin-right: 5px;
}
.job-card:hover {
    border-left-color: #FF7F24;
}
/* 招聘详情页 */
.job-detail {
    background-color: #fff;
    padding: 50px;
    border: 1px solid #E5E5E5;
}
.job-detail .job-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #007ACC;
}
.job-detail .job-meta {
    background-color: #F5F5F5;
    padding: 20px;
    margin-bottom: 30px;
    border-left: 4px solid #FF7F24;
}
.job-detail .job-meta p {
    margin: 8px 0;
    font-size: 1.05rem;
}
.job-detail .job-content h5 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1A1A1A;
    margin: 25px 0 15px;
}
.job-detail .job-content p,
.job-detail .job-content li {
    line-height: 1.8;
    color: #333;
}
.job-detail .job-content ul {
    padding-left: 20px;
    margin-bottom: 15px;
}
/* 企业概况 */
.profile-content {
    background-color: #fff;
    padding: 50px;
    border: 1px solid #E5E5E5;
}
.profile-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1A1A1A;
    display: flex;
    align-items: center;
}
.profile-content h3 i {
    color: #FF7F24;
    margin-right: 10px;
}
.profile-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}
.profile-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}
.profile-content table th,
.profile-content table td {
    border: 1px solid #E5E5E5;
    padding: 12px;
    text-align: left;
}
.profile-content table th {
    background-color: #F5F5F5;
    font-weight: 700;
    color: #1A1A1A;
}
/* 联系我们 */
.map-container {
    height: 400px;
    width: 100%;
    border: 1px solid #E5E5E5;
    margin-bottom: 50px;
}
.contact-info {
    padding: 50px 40px;
    height: 100%;
}
.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #1A1A1A;
    border-bottom: 2px solid #007ACC;
    padding-bottom: 15px;
}
.contact-item {
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
}
.contact-item i {
    font-size: 1.5rem;
    color: #007ACC;
    margin-right: 15px;
    margin-top: 5px;
    width: 25px;
    text-align: center;
}
.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 5px;
}
.contact-item p {
    margin: 0;
    color: #666;
}
.contact-form {
    padding: 50px 40px;
    height: 100%;
}
.contact-form h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #1A1A1A;
    border-bottom: 2px solid #007ACC;
    padding-bottom: 15px;
}
.form-control {
    border-radius: 0;
    border: 1px solid #E5E5E5;
    padding: 15px;
    margin-bottom: 20px;
}
.form-control:focus {
    box-shadow: none;
    border-color: #007ACC;
}
textarea.form-control {
    min-height: 150px;
}
/* 产品分类标签 */
.product-tab {
    margin-bottom: 40px;
    text-align: center;
}
.product-tab .nav-pills {
    justify-content: center;
    border-bottom: 1px solid #E5E5E5;
}
.product-tab .nav-link {
    color: #333 !important;
    padding: 10px 25px;
    border-radius: 0;
    margin: 0 5px;
}
.product-tab .nav-link.active {
    background-color: #007ACC !important;
    color: #fff !important;
    border-bottom: 3px solid #FF7F24;
}
/* 页脚 */
.footer {
    background-color: #1A1A1A;
    color: #fff;
    padding: 80px 0 30px;
    margin-top: 50px;
}
.footer-about {
    margin-bottom: 40px;
}
.footer-about h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}
.footer-about h3 i {
    color: #FF7F24;
    margin-right: 10px;
}
.footer-about p {
    color: #ccc;
    margin-bottom: 20px;
}
.footer-social a {
    font-size: 1.5rem;
    color: #ccc;
    margin-right: 15px;
}
.footer-social a:hover {
    color: #FF7F24;
}
.footer-nav {
    margin-bottom: 40px;
}
.footer-nav h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #333;
}
.footer-nav ul {
    list-style: none;
    padding: 0;
}
.footer-nav ul li {
    margin-bottom: 10px;
}
.footer-nav ul li a {
    color: #ccc;
}
.footer-nav ul li a:hover {
    color: #007ACC;
    padding-left: 5px;
}
.footer-copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid #333;
    color: #999;
}
/* 返回按钮 */
.back-btn {
    margin-bottom: 30px;
    display: inline-block;
}
/* 响应式适配 */
@media (max-width: 768px) {
    .profile-content, .product-detail, .news-detail, .job-detail {
        padding: 30px 20px;
    }
    .contact-info, .contact-form {
        padding: 30px 20px;
        margin-bottom: 30px;
    }
    .map-container {
        height: 300px;
    }
    .news-detail .news-title {
        font-size: 1.5rem;
    }
    .job-detail .job-title {
        font-size: 1.5rem;
    }
    .product-detail .param-table th {
        width: 40%;
    }
}