.isunon-container {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    margin-top: 30px;
}

.isunon-logo {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    margin: 20px auto;
}

.isunon-title {
    font-size: 28px;
    margin: 15px 0;
    color: black;
}

.isunon-description {
    color: #555;
    margin: 15px auto;
    max-width: 600px;
    font-size: 17px;
}

.isunon-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px auto;
    padding: 0 20px;
    max-width: 1400px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

.isunon-download-card {
    border: 1px solid #eee;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.isunon-download-card h3 {
    margin: 10px 0 0 0;
}

.isunon-download-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.isunon-platform-icon {
    width: 40px;
    height: 40px;
    /* margin-bottom: 10px; */
}

.isunon-version-info {
    font-size: 14px;
    color: #666;
    margin: 5px 0;
}

.isunon-hover-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

@media (min-width: 769px) {
    .isunon-download-card:hover .isunon-hover-content {
        opacity: 1;
        pointer-events: auto;
    }
}

.isunon-qr-code {
    width: 150px;
    height: 150px;
}

.isunon-qr-code img {
    height: 100% !important;
    width: 100% !important;
}

.isunon-scan-text {
    font-size: 14px;
    color: #666;
}

.isunon-download-btn {
    background: #007AFF;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.isunon-download-btn:hover {
    background: #0056b3;
}

.isunon-mobile-download-button {
    background: #007AFF;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    max-width: 300px;
    margin: 20px auto;
    display: none;
}

.isunon-icp {
    font-size: 12px;
    color: #007AFF;
    margin-top: auto;
    padding: 20px 0;
    position: fixed;
    bottom: 0;
    left: 50%;
    text-decoration: none;
    transform: translate(-50%, 0);
}

@media (max-width: 768px) {
    .isunon-download-grid {
        display: none;
    }

    .isunon-mobile-download-button {
        display: block;
    }

    .isunon-logo {
        width: 80px;
        height: 80px;
    }

    .isunon-description {
        /* padding: 0 20px; */
    }
}

.isunon-preview-box {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    justify-content: space-between;
    gap: 20px;
    padding: 0 20px;
    margin-top: 30px;
}

.isunon-preview-image {
    /* height: 300px; */
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .isunon-preview-box {
        grid-template-columns: repeat(2, 1fr);  /* 平板设备上改为2列 */
    }
}

@media (max-width: 480px) {
    .isunon-preview-box {
        grid-template-columns: 1fr;  /* 手机设备上改为1列 */
    }
}

/* 平台分类样式 */
.mobile-platform {
    background: rgba(230, 245, 230, 0.8);
    position: relative;
}

.desktop-platform {
    background: rgba(230, 235, 245, 0.8);
    position: relative;
}

/* 平台标识样式 */
.platform-label {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
}

.mobile-platform .platform-label {
    background: #4CAF50;
    color: white;
}

.desktop-platform .platform-label {
    background: #2196F3;
    color: white;
}

/* 平台图标样式 */
.platform-icon {
    width: 20px;
    height: 20px;
    margin-left: 8px;
    vertical-align: middle;
}

.isunon-box {
    background: linear-gradient(135deg, #B3E5FF, #D5FFEB);
    backdrop-filter: blur(4px);
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    margin: 0;
    padding: 0;
    float: left;
    width: 100%;
    float: left;
    width: 100%;
    margin-top: 50px;
    padding-top: 20px;
}

.isunon-box p {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
}