.space_project_audit {
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.space_project_audit h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    color: #333;
}

.project_intro {
    margin-bottom: 30px;
    line-height: 1.6;
}

.project_intro p {
    margin-bottom: 10px;
}

.project_intro .warning {
    color: #ff4d4f;
    font-weight: 500;
}

.project_form h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.form_group {
    margin-bottom: 20px;
    padding-right: 20px;
}

.form_group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form_group input[type="text"],
.form_group select,
.form_group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
    background-color: #fff;
}

.form_group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8.825L1.175 4 2.05 3.125 6 7.075 9.95 3.125 10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 30px;
    cursor: pointer;
}

.form_group select:hover {
    border-color: #40a9ff;
}

.form_group select option {
    padding: 8px;
    font-size: 14px;
    background-color: #fff;
    color: #333;
}

.form_group select option:hover {
    background-color: #f5f5f5;
}

.form_group input[type="text"]:focus,
.form_group select:focus,
.form_group textarea:focus {
    border-color: #40a9ff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.form_group textarea {
    min-height: 100px;
    resize: vertical;
}

.checkbox_group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.checkbox_group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
    margin-bottom: 0;
}

.checkbox_group input[type="checkbox"] {
    margin-right: 8px;
}

.upload_box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.upload_btn {
    padding: 8px 16px;
    background: #f5f5f5;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.upload_btn:hover {
    background: #e6e6e6;
}

.note {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.form_tips {
    margin: 30px 0;
    padding: 15px;
    background: #f6ffed;
    border: 1px solid #b7eb8f;
    border-radius: 4px;
}

.form_tips p {
    color: #52c41a;
    margin: 0;
}

.form_submit {
    text-align: center;
    margin-top: 40px;
}

.submit_btn {
    padding: 10px 40px;
    font-size: 16px;
    color: #fff;
    background: #000;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.submit_btn:hover {
    background: #222;
}

@media (max-width: 768px) {
    .space_project_audit {
        margin: 15px;
        padding: 15px;
    }

    .form_group {
        padding-right: 0;
    }

    .checkbox_group {
        grid-template-columns: repeat(2, 1fr);
    }
}

.custom_select {
    position: relative;
    width: 100%;
}

.select_selected {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    background-color: #fff;
    cursor: pointer;
    position: relative;
    padding-right: 10px;
}

.select_selected::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8.825L1.175 4 2.05 3.125 6 7.075 9.95 3.125 10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.3s;
}

.custom_select.active .select_selected::after {
    transform: translateY(-50%) rotate(180deg);
}

.select_options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 20px;
    margin-top: 4px;
    padding: 4px 0;
    background: #fff;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: none;
    z-index: 1000;
}

.custom_select.active .select_options {
    display: block;
}

.select_options li {
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    color: #333;
}

.select_options li:hover {
    background-color: #f5f5f5;
}

.select_options li.selected {
    background-color: #e6f7ff;
    color: #1890ff;
}