/* 引入Tailwind CSS */
@tailwind base;
@tailwind components;
@tailwind utilities;

/* 自定义样式 */
:root {
    --primary-color: #6a1b9a;
    --secondary-color: #1a237e;
    --accent-color: #9c27b0;
    --bg-color: #121212;
    --text-color: #ffffff;
    --card-bg: #1e1e1e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    background-image: linear-gradient(135deg, #121212 0%, #1a1a2e 100%);
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar .logo img {
    height: 40px;
}

.navbar .nav-links {
    display: flex;
    gap: 1.5rem;
}

.navbar .nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    opacity: 0.8;
}

/* 横幅样式 */
.banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.banner .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.banner h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.banner p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 分类样式 */
.categories {
    padding: 4rem 0;
}

.categories .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.categories h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.category-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.category-item h3 {
    padding: 1rem;
    text-align: center;
    font-size: 1.2rem;
}

/* 产品列表样式 */
.products {
    padding: 4rem 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.products .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.filter-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-container select,
.filter-container input {
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.filter-container select {
    flex: 1;
    min-width: 200px;
}

.filter-container input {
    flex: 2;
    min-width: 300px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.product-card .product-info {
    padding: 1rem;
}

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.product-card p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-card .price {
    font-weight: bold;
    color: var(--primary-color);
}

/* 关于我们样式 */
.about {
    padding: 4rem 0;
}

.about .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.about p {
    max-width: 800px;
    margin: 0 auto 1rem;
    text-align: center;
    font-size: 1.1rem;
}

/* 联系我们样式 */
.contact {
    padding: 4rem 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.contact .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.contact-item {
    text-align: center;
}

.contact-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* 热门产品样式 */
.featured-products {
    padding: 4rem 0;
}

.featured-products .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.featured-products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.wechat-qr img {
    width: 200px;
    height: 200px;
    border: 1px solid #ddd;
    padding: 1rem;
    background-color: white;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer p {
    margin-bottom: 0.5rem;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 80%;
    max-width: 800px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.close {
    color: #aaa;
    float: right;
    font-size: 2rem;
    font-weight: bold;
    position: absolute;
    right: 1rem;
    top: 0.5rem;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

#productDetails {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

#productDetails .product-images {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#productDetails .product-images img {
    width: 100%;
    border-radius: 5px;
    box-shadow: var(--shadow);
}

#productDetails .product-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

#productDetails .product-info .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

#productDetails .product-info .description {
    margin-bottom: 1rem;
    line-height: 1.6;
}

#productDetails .product-info .specs {
    background-color: #2a2a2a;
    padding: 1.5rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#productDetails .product-info .specs h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

#productDetails .product-info .specs ul {
    list-style-type: disc;
    padding-left: 1.5rem;
    color: #ffffff;
    font-size: 1.1rem;
    line-height: 1.8;
}

#productDetails .product-info .usage {
    background-color: #2a2a2a;
    padding: 1.5rem;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#productDetails .product-info .usage h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

#productDetails .product-info .usage p {
    color: #ffffff;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .banner h1 {
        font-size: 2rem;
    }

    .banner p {
        font-size: 1rem;
    }

    .filter-container {
        flex-direction: column;
    }

    .filter-container select,
    .filter-container input {
        width: 100%;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .contact-info {
        flex-direction: column;
        gap: 2rem;
    }

    #productDetails {
        grid-template-columns: 1fr;
    }
}

/* 管理页面样式 */
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.admin-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
}

.admin-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #7a1dd2;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #ee5aa4;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.admin-table th {
    background-color: #f9f9f9;
    font-weight: bold;
}

.admin-table tr:hover {
    background-color: #f9f9f9;
}

/* 表单样式 */
.form-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}