/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.h3detail:hover{
    color: #007bff;
}
.detail:hover{
    color: #fff;
    background: #007bff;
    display: block;
}

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #007bff;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
}

/* 首页横幅 */
.hero {
    height: 80vh;
    /* background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://via.placeholder.com/1920x1080'); */
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color:#333;
    margin-top: 80px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

ul li{
    list-style: none;
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
    margin-left: 5%;
}

img.carousel-item {
    border-radius: 10px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #0056b3;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.about h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
}

/* 服务 */
.services {
    padding: 100px 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.service-card i {
    font-size: 48px;
    color: #007bff;
    margin-bottom: 20px;
}

/* 产品 */
.products {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.products h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h3 {
    padding: 20px;
    font-size: 24px;
}

.product-card p {
    padding: 0 20px 20px;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item i {
    font-size: 24px;
    color: #007bff;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    padding: 15px 30px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #0056b3;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: #fff;
    font-size: 24px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #007bff;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  .carousel-box {
    width: 65%;
    height: 80vh;
    /* background-color: black; */
    position: relative;
    perspective: 1000px; /* 添加透视效果 */
    transform-style: preserve-3d; /* 保持3D变换 */
  }
  .carousel-box span {
    font-size: 40px;
    color: aqua;
    cursor: pointer;
  }
  .carousel-item {
    position: absolute;
    left: 30%;
    top: 13%;
    transform: translate(-50%, -50%) translateZ(0); /* 使用translateZ添加3D效果 */
    transition: transform 0.1s;
  }
  .prev-btn {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99;
  }
  .next-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99;
  }
  .carousel-box img{
      width: 80%;
      height: 70%;
  }

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .about-content {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 20px;
    }
}