/* 图片容器和内容样式 */
 .image-container {
     position: relative;
     width: 100%;
     text-align: center;
 }

 .home-image {
     display: block;
     width: 100%;
     height: auto;
     object-fit: cover;
 }

 /* 按钮组样式 */
 .button-group {
     position: absolute;
     top: 60%;
     left: 50%;
     transform: translateX(-50%);
     display: flex;
     gap: 20px;
     z-index: 10;
 }

 .download-btn, .oopz-btn {
     background-color: rgba(52, 152, 219, 0.9);
     color: white;
     padding: 12px 30px;
     border-radius: 50px;
     text-decoration: none;
     font-weight: bold;
     font-size: 1.2rem;
     text-align: center;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
     transition: all 0.3s ease;
     border: 2px solid white;
 }

 .download-btn:hover, .oopz-btn:hover {
     background-color: rgba(41, 128, 185, 0.9);
     transform: scale(1.05);
     box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
 }

 .server-info {
     position: absolute;
     top: 70%;
     left: 50%;
     transform: translateX(-50%);
     background-color: rgba(255, 255, 255, 0.8);
     padding: 10px 20px;
     border-radius: 30px;
     font-size: 1.1rem;
     color: #2c3e50;
     display: flex;
     align-items: center;
     gap: 10px;
     z-index: 10;
 }

 .server-info button {
     background-color: #3498db;
     color: white;
     border: none;
     padding: 5px 10px;
     border-radius: 5px;
     cursor: pointer;
     transition: background-color 0.3s;
 }

 .server-info button:hover {
     background-color: #2980b9;
 }

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

     .nav-links {
         margin-top: 1rem;
         width: 100%;
         justify-content: space-around;
     }

     .nav-links li {
         margin-left: 0;
     }

     .button-group {
         flex-direction: column;
         gap: 10px;
         top: 50%;
     }

     .download-btn, .oopz-btn {
         padding: 8px 20px;
         font-size: 1rem;
     }

     .server-info {
         top: 60%;
         font-size: 0.9rem;
         padding: 8px 15px;
     }
 }

 /* 中央文字样式 */
 .center-text {
     position: absolute;
     top: 30%;
     left: 50%;
     transform: translate(-50%, -50%);
     color: white;
     text-align: center;
     width: 100%;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
 }

 .center-text h2 {
     font-size: 2.5rem;
     margin-bottom: 1rem;
     opacity: 0;
     animation: fadeIn 1.5s ease-in-out forwards;
 }

 .center-text p {
     font-size: 1.5rem;
     opacity: 0;
     animation: fadeIn 1.5s ease-in-out 0.5s forwards;
 }

 @keyframes fadeIn {
     0% {
         opacity: 0;
         transform: translateY(20px);
     }

     100% {
         opacity: 1;
         transform: translateY(0);
     }
 }

 /* 响应式调整 */
 @media (max-width: 768px) {
     .center-text h2 {
         font-size: 1.8rem;
     }

     .center-text p {
         font-size: 1.2rem;
     }
 }

 /* 新增留言表单样式 */
 .contact-section {
     background-color: #fff;
     padding: 40px 20px;
     margin: 40px auto;
     max-width: 800px;
     border-radius: 8px;
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
 }

 .contact-section h2 {
     text-align: center;
     color: #2c3e50;
     margin-bottom: 30px;
     font-size: 2rem;
 }

 .contact-form {
     display: grid;
     gap: 20px;
 }

 .form-group {
     display: flex;
     flex-direction: column;
 }

 .form-group label {
     margin-bottom: 8px;
     font-weight: 500;
     color: #2c3e50;
 }

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

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

 .form-group input:focus,
 .form-group textarea:focus {
     border-color: #3498db;
     outline: none;
 }

 .submit-btn {
     background-color: #3498db;
     color: white;
     border: none;
     padding: 12px 20px;
     border-radius: 4px;
     font-size: 1rem;
     font-weight: 500;
     cursor: pointer;
     transition: background-color 0.3s;
 }

 .submit-btn:hover {
     background-color: #2980b9;
 }

 .status-message {
     text-align: center;
     margin-top: 20px;
     padding: 10px;
     border-radius: 4px;
     display: none;
 }

 .success {
     background-color: #d4edda;
     color: #155724;
 }

 .error {
     background-color: #f8d7da;
     color: #721c24;
 }

 /* 响应式调整 */
 @media (max-width: 768px) {
     .contact-section {
         margin: 20px;
         padding: 20px;
     }
 }

 /* 底部样式 */
.footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 20px 0;
    margin-top: 40px;
    font-size: 0.9rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.copyright {
    margin-bottom: 8px;
}

.icp-info {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.icp-info a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s;
}

.icp-info a:hover {
    color: #3498db;
    text-decoration: underline;
}

.separator {
    margin: 0 10px;
    color: #7f8c8d;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .footer {
        padding: 15px 0;
        font-size: 0.8rem;
    }
    
    .icp-info {
        flex-direction: column;
    }
    
    .separator {
        display: none;
    }
}
html {
    scroll-behavior: smooth;
}