* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

/* 头部样式 */
header {
    background-color: rgba(35, 28, 26, 0.8);
    height: 80px;
    width: 100%;
    position: fixed;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
}

h1 {
    color: white;
    line-height: 80px;
    background-image: url(images/logo.png);
    background-repeat: no-repeat;
    background-position: center;
    width: 210px;
    text-indent: -9999px;
    background-size: contain;
}

/* 主导航样式 - 桌面 */
nav.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav.main-nav li {
    margin-left: 30px;
}

nav.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

nav.main-nav a:hover {
    text-decoration: underline;
    color: #f8d56b;
}

/* 菜单按钮样式 */
.menu {
    display: none;
    background-color: transparent;
    color: white;
    font-size: 35px;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
    margin-right: 20px;
}

.slogan2 {
    background-color: white;
    color: white;
    height: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    line-height: 1.8em;
}

.search-filter {
    padding: 20px 5%;
    background-color: #f5f5f5;
    margin-top: 80px;
}

.search-container {
    display: flex;
    margin-bottom: 15px;
    max-width: 600px;
    margin: 0 auto 20px;
}

.search-container input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.search-container button {
    padding: 0 20px;
    background-color: #485652;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-container button:hover {
    background-color: #3a4643;
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 10px;
}

.filter-container select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
    min-width: 120px;
}

.filter-container button {
    padding: 8px 15px;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.filter-container button:hover {
    background-color: #c0392b;
}

.products-container {
    padding: 20px 5%;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin: 20px 0;
}

.product-card {
    border: 1px solid #eaeaea;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    background-color: white;
}

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

.product-info {
    padding: 15px;
}

.product-title {
    font-size: 18px;
    margin-bottom: 8px;
    color: #333;
}

.product-details {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 10px;
}

.product-detail {
    background-color: #f0f0f0;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: #555;
}

.product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

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

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
}

.pagination button {
    padding: 8px 15px;
    background-color: #485652;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.pagination button:hover {
    background-color: #3a4643;
}

.pagination button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.slogan {
    background-color: #485652;
    color: white;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    line-height: 1.8em;
    text-align: center;
}

footer {
    background-color: #000000;
    color: #B7B7B7;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
}

/* 响应式设计 - 平板及以下设备 */
@media screen and (max-width: 768px) {
    header {
        padding: 0 20px;
    }

    h1 {
        position: static;
        transform: none;
        margin: 0 auto;
    }

    /* 导航菜单样式 */
    nav.main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: rgba(35, 28, 26, 0.95);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    nav.main-nav.show {
        max-height: 500px;
    }

    nav.main-nav ul {
        flex-direction: column;
        padding: 20px 0;
    }

    nav.main-nav li {
        margin: 0;
        padding: 15px 0;
        text-align: center;
    }

    .menu {
        display: block;
    }

    /* 筛选区域调整 */
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

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

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* 响应式设计 - 手机设备 */
@media screen and (max-width: 480px) {
    .search-container {
        flex-direction: column;
    }

    .search-container input {
        border-radius: 4px;
        margin-bottom: 5px;
    }

    .search-container button {
        border-radius: 4px;
    }

    .pagination {
        flex-direction: column;
        gap: 10px;
    }
}