/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 头部样式 - 左上角Logo + 右上角导航 */
.dt-header {
    padding: 25px 0;
    position: sticky;
    top: 0;
    background: white;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.dt-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dt-logo img {
    height: 70px;
    transition: transform 0.3s;
}

.dt-logo:hover img {
    transform: scale(1.05);
}

.dt-nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.dt-nav a {
    text-decoration: none;
    color: #666;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: all 0.3s;
}

.dt-nav a:hover,
.dt-nav a.active {
    color: #5cb85c; /* 浅绿色主色调 */
}

.dt-nav a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #5cb85c; /* 浅绿色主色调 */
    transition: width 0.3s;
}

.dt-nav a:hover:after,
.dt-nav a.active:after {
    width: 100%;
}

/* 主视觉区（棉杯展示） */
.dt-hero {
    background: linear-gradient(rgba(255,255,255,0.2), rgba(255,255,255,0.2)), 
                url('../images/hero-cup.jpg') center/cover no-repeat;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    text-align: center;
    color: #333;
}

.dt-hero-content {
    width: 100%;
}

.dt-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #5cb85c; /* 浅绿色主色调 */
    text-shadow: 1px 1px 3px rgba(255,255,255,0.8);
}

.dt-hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.dt-btn {
    display: inline-block;
    background: #5cb85c; /* 浅绿色主色调 */
    color: white;
    padding: 12px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(92, 184, 92, 0.3);
}

.dt-btn:hover {
    background: #4cae4c; /* 稍深的绿色 */
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(92, 184, 92, 0.4);
}

/* 产品特色区 */
.dt-features {
    padding: 80px 0;
    background: #f9f9f9;
}

.dt-features .container {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.dt-feature-item {
    width: 45%;
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.dt-feature-item:hover {
    transform: translateY(-10px);
}

.d
/* 关于页面专用样式 */
.dt-about-intro {
    padding: 80px 0 50px;
    text-align: center;
    background: #f9f9f9;
}

.dt-about-intro h1 {
    color: #5cb85c;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.dt-about-intro .subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.dt-about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    line-height: 1.8;
}

.dt-about-content p {
    margin-bottom: 20px;
}

/* 企业环境展示 */
.dt-environment {
    padding: 80px 0;
}

.dt-env-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 50px 0;
    flex-wrap: wrap;
}

.dt-env-card {
    width: 30%;
    min-width: 280px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

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

.dt-env-card h3 {
    padding: 15px 20px 5px;
    color: #5cb85c;
}

.dt-env-card p {
    padding: 0 20px 20px;
    color: #666;
    font-size: 0.9rem;
}

/* 视频展示 */
.dt-env-video {
    margin-top: 60px;
    text-align: center;
}

.dt-env-video h3 {
    color: #5cb85c;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.video-wrapper video {
    width: 100%;
    display: block;
}

.video-desc {
    margin-top: 20px;
    color: #666;
}

/* 企业文化 */
.dt-culture {
    padding: 80px 0;
    background: #f9f9f9;
}

.dt-culture-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.dt-culture-item {
    width: 28%;
    min-width: 250px;
    padding: 30px;
    background: white;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.dt-culture-item .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.dt-culture-item h3 {
    color: #5cb85c;
    margin-bottom: 15px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .dt-env-card,
    .dt-culture-item {
        width: 100%;
    }
    
    .dt-about-intro {
        padding: 60px 0 30px;
    }
    
    .dt-environment,
    .dt-culture {
        padding: 60px 0;
    }
}
/* 产品中心页面样式 */
.dt-product-nav {
    padding: 60px 0 30px;
    text-align: center;
    background: #f9f9f9;
}

.dt-product-nav h1 {
    color: #5cb85c;
    margin-bottom: 30px;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.dt-tab {
    padding: 10px 30px;
    background: #e8f5e9;
    color: #5cb85c;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.dt-tab.active,
.dt-tab:hover {
    background: #5cb85c;
    color: white;
    border-color: #5cb85c;
}

/* 产品展示区 */
.dt-product-section {
    padding: 60px 0;
}

.dt-product-section:nth-child(even) {
    background: #f9f9f9;
}

.section-title {
    text-align: center;
    color: #5cb85c;
    margin-bottom: 40px;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-title .icon {
    margin-right: 15px;
    font-size: 1.8rem;
}

.product-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.product-img:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(92, 184, 92, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dt-product-nav {
        padding: 40px 0 20px;
    }
    
    .dt-tab {
        padding: 8px 20px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
    }
    
    .product-img {
        height: 250px;
    }
}
/* 联系我们页面专用样式 */
.dt-contact-hero {
    padding: 80px 0;
    background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)), 
                url('../images/contact-bg.jpg') center/cover no-repeat;
    text-align: center;
    color: #333;
}

.dt-contact-hero h1 {
    font-size: 2.5rem;
    color: #5cb85c;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dt-contact-hero .iconfont {
    font-size: 2rem;
    margin-right: 15px;
}

.dt-contact-hero .subtitle {
    font-size: 1.2rem;
    color: #666;
}

/* 联系方式卡片 */
.dt-contact-methods {
    padding: 60px 0;
    background: #f9f9f9;
}

.dt-contact-methods .container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-card {
    flex: 1;
    min-width: 280px;
    background: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.contact-card .iconfont {
    font-size: 2.5rem;
    color: #5cb85c;
    margin-bottom: 20px;
}

.contact-card h3 {
    color: #333;
    margin-bottom: 15px;
}

.contact-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 5px;
}

/* 联系表单 */
.dt-contact-form {
    padding: 60px 0;
}

.dt-contact-form h2 {
    text-align: center;
    color: #5cb85c;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dt-contact-form .iconfont {
    font-size: 1.8rem;
    margin-right: 15px;
}

.dt-contact-form form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #5cb85c;
    outline: none;
}

.dt-btn {
    display: inline-block;
    background: #5cb85c;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.dt-btn:hover {
    background: #4cae4c;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dt-contact-hero {
        padding: 60px 0;
    }
    
    .dt-contact-hero h1 {
        font-size: 2rem;
    }
    
    .contact-card {
        min-width: 100%;
    }
    
    .dt-contact-form {
        padding: 40px 0;
    }
}
/* 产品中心主页面 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.card-image {
    height: 220px;
    overflow: hidden;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s;
}
.category-card:hover .card-image img {
    transform: scale(1.05);
}

.card-body {
    padding: 25px;
    text-align: center;
}
.card-body h3 {
    color: #2c3e50;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-body .iconfont {
    font-size: 1.5em;
    margin-right: 10px;
    color: #5cb85c;
}
.card-body p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: 1fr;
    }
    .card-image {
        height: 180px;
    }
}
/* 产品图片样式优化 */
.product-img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 10px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}
.product-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(92,184,92,0.15);
}

/* 分类标签样式 */
.dt-tab {
    padding: 10px 30px;
    background: #eef2f6;
    color: #4a5568;
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s;
}
.dt-tab.active {
    background: #5cb85c;
    color: white;
}
.dt-tab:not(.active):hover {
    background: #e2e8f0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .product-showcase {
        flex-direction: column;
        align-items: center;
    }
    .product-img {
        max-width: 100%;
        margin: 10px 0;
    }
}
.product-img {
    width: 30%; /* 控制图片宽度，保持响应式 */
    margin: 10px;
    border-radius: 6px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
.product-img:hover {
    transform: scale(1.03); /* 悬停轻微放大效果 */
}

.product-showcase {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* 图片居中排列 */
    gap: 15px; /* 图片间距 */
}
/* 确保在about.css或style.css中添加 */
.dt-workshop-showcase {
    margin: 40px 0;
}

.workshop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}

.workshop-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.workshop-card:hover {
    transform: translateY(-5px);
}

.image-wrapper {
    position: relative;
    aspect-ratio: 16/9;
}

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent 10%, rgba(0,0,0,0.7));
    color: #fff;
    padding: 20px;
}

.overlay h4 {
    margin: 0 0 8px;
    font-size: 1.25rem;
}

.overlay p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .workshop-grid {
        grid-template-columns: 1fr;
    }
}