/* style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
header {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    padding: 15px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.logo i {
    font-size: 2.5rem;
    color: #ffde59;
    animation: pulse 2s infinite;
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.search-bar {
    flex: 1;
    max-width: 500px;
    margin: 0 30px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 14px 50px 14px 20px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.search-bar i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #6a11cb;
    font-size: 1.2rem;
}

.user-actions a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.user-actions a:hover {
    color: #ffde59;
    transform: translateY(-2px);
}

/* 主内容区样式 */
.page-title {
    text-align: center;
    margin: 30px 0;
    color: #2c3e50;
    position: relative;
}

.page-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #6a11cb, #2575fc, #2c3e50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-title p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 700px;
    margin: 0 auto;
}

.page-title::after {
    content: "";
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    margin: 20px auto;
    border-radius: 2px;
}

/* 部门导航 */
.departments-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
}

.nav-btn {
    background: white;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover, .nav-btn.active {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(37, 117, 252, 0.3);
}

/* 部门卡片网格 */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.department-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0, 1);
    position: relative;
}

.department-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.card-image {
    height: 200px;
    width: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #2c3e50;
}

.card-content p {
    color: #7f8c8d;
    margin-bottom: 20px;
    font-size: 1rem;
}

.card-actions {
    display: flex;
    justify-content: space-between;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid #2575fc;
    color: #2575fc;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 特色横幅 */
.feature-banner {
    background: linear-gradient(90deg, #ff416c 0%, #ff4b2b 100%);
    border-radius: 15px;
    padding: 30px;
    margin: 50px 0;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 10px 20px rgba(255, 75, 43, 0.2);
}

.banner-content {
    flex: 2;
}

.banner-content h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.banner-image {
    flex: 1;
    text-align: center;
}

.banner-image i {
    font-size: 6rem;
    opacity: 0.8;
    animation: bounce 2s infinite;
}

/* 标签样式 */
.tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    color: white;
    z-index: 10;
}

.hot-tag {
    background: linear-gradient(90deg, #ff416c, #ff4b2b);
}

.new-tag {
    background: linear-gradient(90deg, #00b09b, #96c93d);
}

.sale-tag {
    background: linear-gradient(90deg, #ff8c00, #ff5500);
}

.member-tag {
    background: linear-gradient(90deg, #9c27b0, #673ab7);
}

/* 页脚样式 */
footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-column h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background: #2575fc;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column ul li i {
    width: 20px;
    text-align: center;
}

.footer-column ul li a {
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: #3498db;
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #2575fc;
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* 动画效果 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .search-bar {
        margin: 10px 0;
        width: 100%;
        max-width: 100%;
    }
    
    .feature-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .banner-image {
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .departments-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .page-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .user-actions {
        display: flex;
        gap: 15px;
    }
    
    .nav-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .card-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .page-title h2 {
        font-size: 1.8rem;
    }
}