/* PC端响应式样式 */
@media screen and (min-width: 768px) {
    .container {
        max-width: 768px !important;
        margin: 0 auto;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    }

    .header {
        padding: 40px 20px 36px;
    }

    .header h1 {
        font-size: 26px;
    }

    .header h2 {
        font-size: 18px;
    }

    .card {
        margin: 20px;
        padding: 24px;
        border-radius: 16px;
    }

    .form-input, 
    .form-select {
        height: 48px;
        font-size: 15px;
    }

    .submit-btn {
        height: 48px;
        font-size: 17px;
        max-width: 400px;
        margin: 30px auto 0;
        display: block;
    }

    .data-source {
        margin-top: 15px;
        font-size: 13px;
    }

    .info-card {
        margin: 20px 25px;
    }

    .info-table td {
        padding: 16px 20px;
        font-size: 15px;
    }
    
    /* PC端无数据状态样式优化 */
    .no-data-container {
        margin: 30px;
        padding: 60px 0;
    }
    
    .no-data-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 20px;
    }
    
    .no-data-text {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .no-data-hint {
        font-size: 15px;
    }

    /* 登录弹窗在PC端的样式 */
    .modal-content {
        max-width: 420px;
        padding: 30px;
    }

    .modal-title {
        font-size: 20px;
    }

    /* 滚动条美化 */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb {
        background: #ddd;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #ccc;
    }
}