.floating-buttons {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            display: flex;
            justify-content: center;
            padding: 20px;
            background: transparent; /* 完全透明背景 */
            z-index: 1000;
        }
        
        /* 按钮样式 */
        .floating-button {
            display: inline-block;
            padding: 16px 19px;
            margin: 0 12px;
            background: #1465ff;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 6px 15px rgba(52, 152, 219, 0.5);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            width: 187px;
            height: 45px;
            line-height: 13px;
            text-align: center;
        }
        
        .floating-button:hover {
            background: #4285f4;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(52, 152, 219, 0.6);
        }
        
        .floating-button:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(52, 152, 219, 0.4);
        }
        .container {
     width: 100%;
     height: 100%;
     max-width: 100%;
     max-height: 100vh;
     min-height: 90vh;
     background: white;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
     overflow: hidden;
     display: flex;
     flex-direction: column;
}
  .menuLists {
      flex:1;
      margin-left:50px;
    }

    .menuLists ul {
        float: left;
        white-space: nowrap;
        height: 30px;
        width: 100%;
        line-height: 33px;
    }

    .menuLists ul li {
        flex: 1
    }
 .menuLists > ul > li {
    float: left;
    font-size: 16px;
    text-align: center;
}

 .menuLists > ul > li > a {
    display: block;
    height: 60px;
    color: #000;
    padding: 0 16px;
    position: relative;
}

 .menuLists > ul > li > a .hot {
    background: #eb4b4b;
    height: 20px;
    line-height: 20px;
    color: #fff;
    padding: 0 6px;
    font-size: 12px;
    margin-left: 8px;
    position: relative;
    top: -8px;
    border-radius: 10px 10px 10px 0;
}

 .menuLists > ul > li > a > i {
    display: none;
    font-size: 16px;
    transition: 0.2s all;
    position: absolute;
    bottom: 0;
    left: 40%;
    line-height: 14px;
    font-weight: bold;
}

 .menuLists > ul > li:hover > a > i {
    display: block;
}

 .menuLists > ul > li:hover > a, .menuLists > ul > li.info > a {
    color: #3d5ed1;
}

 .menuLists > ul > li > a b {
    color: #ffc000;
}

 .menuLists > ul > li.active > a {
    color: #ffc000;
}
.content {
    display: flex;
    flex-wrap: wrap;
    flex: 1;
    overflow: auto;
}

.upload-section, .preview-section {
    flex: 1;
    min-width: 300px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.divider {
    width: 1px;
    background: #eaeaea;
    margin: 20px 0;
}
#download-main-btn{
    display:none;
}
.upload-area {
    width: 100%;
    height: 100%;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: none;
    background: transparent;
    margin-bottom: 0;
}

.text-above-btn {
    margin-bottom: 30px;
    text-align: center;
}

.text-line1 {
    font-size: 37px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
}

.text-line1 span.ai {
    color: #4a6bdf;
}

.text-line2 {
    font-size: 16px;
    color: #4a5568;
    line-height: 2;
    max-width: 500px;
}

.upload-btn-s {
    background: linear-gradient(135deg, #4a6bdf 0%, #1e90ff 100%);
    color: white;
    border: none;
    padding: 10px 30px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(74, 107, 223, 0.3);
    text-align: center;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 80px;
    width: 380px;
    margin: 0 auto;
    transform-style: preserve-3d;
}

.upload-btn-s::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 5%;
    width: 90%;
    height: 20px;
    background: linear-gradient(to bottom, rgba(74, 107, 223, 0.4), transparent);
    border-radius: 50%;
    filter: blur(5px);
    transform: translateZ(-10px);
    z-index: -1;
    transition: all 0.3s ease;
}

.upload-btn-s:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px rgba(74, 107, 223, 0.4);
    background: linear-gradient(135deg, #3a5bce 0%, #4a6bdf 100%);
}

.upload-btn-s:hover::after {
    bottom: -15px;
    height: 25px;
    filter: blur(8px);
    background: linear-gradient(to bottom, rgba(58, 91, 206, 0.5), transparent);
}

.btn-title {
    font-size: 20px;
    font-weight: 600;
}

.preview-container {
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border:none;
    background-image:none;
}
.preview-aread{
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: auto;
}
.preview-title {
    font-size: 18px;
    color: #4a5568;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
}

.preview-title i {
    margin-right: 10px;
    color: #4a6bdf;
}

.image-preview {
    max-width: 80%;
    max-height: 80%;
    border-radius: 8px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15), 
                0 0 20px rgba(59, 130, 246, 0.2); 
    object-fit: contain;
}

.processing {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e2e8f0;
    border-top: 5px solid #4a6bdf;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-container {
    display: none;
    width: 100%;
    text-align: center;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.download-btn {
    background: #1e90ff;
    margin-top: 20px;
    align-self: center;
    font-size: 17px;
}

.download-btn:hover {
    background: #1c86ee;
    box-shadow: 0 4px 10px rgba(56, 161, 105, 0.3);
}

.uploaded-image {
    max-width: 80%;
    max-height: 80%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    object-fit: contain;
    display: none;
}

.info-text {
    font-size: 14px;
    color: #718096;
    margin-top: 15px;
    text-align: center;
    max-width: 320px;
}

.main-section {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    text-align: center; 
    margin-top: 3px;
}
.hidden {display:none}
@media (max-width: 768px) {
    .logo{padding-left:20px;}
    .toolbtn{padding-right:20px}
    .navbar{padding:15px 0}
    .main-content{margin-top:60px}
    .menuLists {
        top: 60px;
        width: 100%;
        margin-left: 0;
        flex: unset;
        position: absolute;
    }

    .menuLists ul {
        float: left;
        background: #f60;
        display: flex;
        overflow-x: scroll;
        white-space: nowrap;
        height: 60px;
        width: 100%;
        overflow-y: hidden;
        line-height: 60px;
    }

    .menuLists ul li {
        flex: 1
    }
 .menuLists > ul > li {
    float: left;
    font-size: 16px;
    text-align: center;
}

 .menuLists > ul > li > a {
    display: block;
    height: 60px;
    color: #fff;
    padding: 0 16px;
    position: relative;
}

 .menuLists > ul > li > a .hot {
    background: #eb4b4b;
    height: 20px;
    line-height: 20px;
    color: #fff;
    padding: 0 6px;
    font-size: 12px;
    margin-left: 8px;
    position: relative;
    top: -8px;
    border-radius: 10px 10px 10px 0;
}

 .menuLists > ul > li > a > i {
    display: none;
    font-size: 16px;
    transition: 0.2s all;
    position: absolute;
    bottom: 0;
    left: 40%;
    line-height: 14px;
    font-weight: bold;
}

 .menuLists > ul > li:hover > a > i {
    display: block;
}

 .menuLists > ul > li:hover > a, .menuLists > ul > li.info > a {
    color: #ffc000;
}

 .menuLists > ul > li > a b {
    color: #ffc000;
}

 .menuLists > ul > li.active > a {
    color: #ffc000;
}
    .container {
        height: auto;
        max-height: none;
        min-height: auto;
        padding-bottom: 10px;
    }
    .preview-section{
        justify-content: flex-start;
    }
    .upload-section{
        justify-content: flex-end;
    }
    .content {
        flex-direction: column;
        height: auto;
    }
    
    .upload-section, .preview-section {
        display:block;
        min-height: 350px;
        padding: 20px;
    }
    
    .divider {
        width: 100%;
        height: 1px;
    }
    
    .text-line1 {
        font-size: 28px;
    }
    
    .text-line2 {
        font-size: 16px;
        max-width: 320px;
    }
    
    .upload-btn-s {
        width: 320px;
        height: 70px;
    }
    .image-preview{
        max-width:100%;
        max-height: 100%;
    }
    .uploaded-image{
        max-width:100%;
        max-height: 100%;
    }
}

@media (max-width: 480px) {
    .upload-section, .preview-section {
        padding: 0 15px;
        min-height: auto;
    }
    
    .text-line1 {
        font-size: 24px;
    }
    
    .text-line2 {
        font-size: 14px;
        max-width: 280px;
    }
    
    .upload-btn-s {
        width: 280px;
        height: 65px;
        padding: 8px 20px;
    }
    
    .btn-title {
        font-size: 18px;
    }
}