* {margin: 0;padding: 0;box-sizing: border-box;font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;} body {background: linear-gradient(135deg, #f5f7fa, #e4e8f0);color: #333;line-height: 1.5;} .container {width: 90%;max-width: 1200px;margin: 0 auto;padding: 0 15px;} header {background-color: rgba(255, 255, 255, 0.9);box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);position: sticky;top: 0;z-index: 100;} header .container {display: flex;justify-content: space-between;align-items: center;padding: 15px;} .logo {width: 95px;height: 48px;overflow: hidden;position: relative;} .logo h1 {font-size: 24px;color: #333;} .logo-image {height: 54px;transition: transform 0.3s ease;position: relative;} nav ul {display: flex;list-style: none;} nav ul li {margin-left: 20px;} nav ul li a {text-decoration: none;color: #333;font-weight: 500;padding: 11px 29px;border-radius: 4px;transition: all 0.3s ease;} nav ul li a.active, nav ul li a:hover {background-color: #1890ff;color: white;} .user-actions {display: flex;} .user-actions a {text-decoration: none;margin-left: 15px;padding: 8px 15px;border-radius: 4px;font-weight: 500;} .login-btn {color: #1890ff;border: 1px solid #1890ff;} .register-btn {background-color: #1890ff;color: white;} .hero {background: linear-gradient(135deg, #64b5f6, #1976d2);color: white;text-align: center;padding: 80px 0;} .hero h2 {font-size: 36px;margin-bottom: 10px;} .hero p {font-size: 18px;margin-bottom: 30px;} .search-bar {max-width: 500px;margin: 0 auto;} .search-bar input {flex: 1;padding: 12px 15px;border: none;border-radius: 4px 0 0 4px;font-size: 16px;} .search-bar button {background-color: #1890ff;color: white;border: none;padding: 0 20px;border-radius: 0 4px 4px 0;cursor: pointer;} .featured {margin: 40px 0;} .featured h3 {font-size: 24px;margin-bottom: 20px;text-align: center;} .product-grid {display: grid;grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));gap: 20px;} .product-grid a {text-decoration: none;color: black;} .product-link {text-decoration: none;color: black;display: block;} .service-link {text-decoration: none;color: black;display: block;} .product-card {background-color: white;border-radius: 8px;overflow: hidden;box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);transition: transform 0.3s ease;cursor: pointer;} .product-card:hover {transform: translateY(-5px);} .product-card img {width: 100%;height: 200px;object-fit: cover;} .product-card h4, .product-card p {padding: 15px;} .product-card h4{text-align: center;} .service-list {display: grid;grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));gap: 20px;} .service-card {background-color: white;border-radius: 8px;overflow: hidden;box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);display: flex;cursor: pointer;} .service-card img {width: 150px;height: 150px;object-fit: cover;} .service-info {flex: 1;padding: 15px;} .service-info h4 {font-size: 18px;margin-bottom: 10px;} .service-info p {font-size: 14px;color: #666;margin-bottom: 15px;} .service-info button {background-color: #1890ff;color: white;border: none;padding: 8px 15px;border-radius: 4px;cursor: pointer;} .filter-bar {display: flex;justify-content: space-between;margin-bottom: 30px;} .filter-group {display: flex;align-items: center;} .filter-group label {margin-right: 10px;font-weight: 500;} .filter-group select {padding: 8px 15px;border: 1px solid #ddd;border-radius: 4px;} .pagination {display: flex;justify-content: center;margin-top: 40px;} .pagination button {width: 40px;height: 40px;margin: 0 5px;border: 1px solid #ddd;background-color: white;border-radius: 4px;cursor: pointer;} .pagination button.active {background-color: #1890ff;color: white;border-color: #1890ff;} .solution-tabs {display: flex;justify-content: center;margin-bottom: 30px;} .tab {padding: 10px 20px;background-color: white;border: 1px solid #ddd;border-radius: 4px;margin: 0 5px;cursor: pointer;} .tab.active {background-color: #1890ff;color: white;border-color: #1890ff;} .case-list {display: grid;grid-template-columns: 1fr;gap: 20px;justify-items: center;} .case-card {background-color: white;border-radius: 8px;overflow: hidden;box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);width: 85%;text-align: center;} .case-header {display: flex;align-items: center;padding: 15px;} .case-header img {width: 50px;height: 50px;border-radius: 50%;margin-right: 15px;} .case-info h4 {font-size: 16px;margin-bottom: 5px;} .case-info p {font-size: 12px;color: #999;} .case-content {padding: 0 15px 15px;} .case-content h3 {font-size: 18px;margin-bottom: 10px;} .case-content p {margin-bottom: 15px;} .case-content img {width: 100%;border-radius: 8px;} .case-footer {display: flex;padding: 15px;border-top: 1px solid #eee;} .case-footer button {background: none;border: none;margin-right: 20px;color: #666;cursor: pointer;} .case-footer button:hover {color: #1890ff;} .create-case-btn {display: block;width: 200px;margin: 40px auto;padding: 12px 20px;background-color: #1890ff;color: white;border: none;border-radius: 4px;font-size: 16px;cursor: pointer;} .about-content {background-color: white;padding: 40px;border-radius: 8px;box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);margin-top: 40px;text-align: center;} .about-content p {margin-bottom: 20px;line-height: 1.8;} .auth-container {max-width: 400px;margin: 80px auto;background-color: white;border-radius: 8px;overflow: hidden;box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);} .auth-header {text-align: center;padding: 30px 0 20px;} .auth-header h2 {font-size: 24px;margin-bottom: 10px;} .auth-header p {color: #666;} .auth-form {padding: 0 30px 30px;} .input-group {margin-bottom: 20px;} .input-group input {width: 100%;padding: 12px 15px;border: 1px solid #ddd;border-radius: 4px;font-size: 14px;} .auth-footer {display: flex;justify-content: space-between;align-items: center;margin-top: 30px;} .auth-footer a {color: #1890ff;text-decoration: none;} .login-btn, .register-btn {background-color: #1890ff;color: white;border: none;padding: 10px 20px;border-radius: 4px;cursor: pointer;} footer {background-color: #333;color: white;padding: 50px 0 20px;margin-top: 80px;} .footer-content {display: grid;grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));gap: 30px;margin-bottom: 30px;} .footer-logo h2 {font-size: 24px;margin-bottom: 10px;} .footer-links ul {list-style: none;margin-top: 15px;} .footer-links ul li {margin-bottom: 10px;} .footer-links ul li a {color: #ccc;text-decoration: none;} .footer-contact p {margin-bottom: 10px;color: #ccc;} .footer-bottom {text-align: center;padding-top: 20px;border-top: 1px solid #444;} @media (max-width: 600px) {header .container {flex-direction: column;} nav ul {margin: 20px 0;} .service-list {grid-template-columns: 1fr;} .case-footer {flex-wrap: wrap;} nav ul li a {padding: 8px 10px;} nav ul li {margin-left: 12px;}} @media (min - width: 601px) and (max - width: 900px) {nav ul li a {padding: 8px 10px;} nav ul li {margin-left: 12px;}} @media (min - width: 901px) {nav ul li a {padding: 8px 10px;} nav ul li {margin-left: 12px;}} .section {padding: 60px 0;scroll-margin-top: 80px;} #home {background: linear-gradient(135deg, #f5f7fa, #e4e8f0);} #products {background-color: white;} #solutions {background-color: #f9f9f9;} #about {background-color: white;} .loading-text {font-size: 32px;} .loading-text span {display: inline-block;animation: up-down 1.5s ease-in-out infinite;animation-delay: calc(0.1s * var(--i));} @keyframes up-down {0% {transform: translateY(0px);} 20% {transform: translateY(-24px);} 40%, 100% {transform: translateY(0px);}} .tab-content {display: none;} .tab-content.active {display: block;} .product-card {position: relative;transition: transform 0.3s ease;margin-bottom: 20px;overflow: visible;border-radius: 10px;background-color: white;box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);cursor: pointer;z-index: 1;} .product-card:hover {transform: translateY(-5px);} .product-images {position: absolute;top: -220px;left: 50%;transform: translateX(-50%);display: flex;justify-content: center;align-items: center;display: none;z-index: 99999;background-color: rgba(255, 255, 255, 0.8);backdrop-filter: blur(10px);border-radius: 10px;padding: 10px;box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);width: max-content;white-space: nowrap;} .product-card-content {position: relative;z-index: 1;padding: 20px;} .product-card-content img {width: 100%;height: auto;margin-bottom: 15px;} .product-card-content h4 {margin: 0 0 10px 0;} .product-card-content p {margin: 0;color: #666;} .product-images img {height: 200px;width: auto;object-fit: contain;border-radius: 8px;opacity: 0.8;transition: all 0.3s ease;margin: 0 10px;transform: scale(1);} .product-images img:hover {opacity: 1;transform: scale(2.0);z-index: 9999;}