* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, "Microsoft YaHei", sans-serif;
    background: #f5f5f5;
    color: #222;
}

.container {
    width: min(900px, 92%);
    margin: 60px auto;
}

h1 {
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #666;
}

.survey-card {
    background: white;
    padding: 24px;
    margin-top: 30px;
    border-radius: 12px;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}
#survey-header {
    margin-bottom: 30px;
}

#progress {
    color: #666;
    margin-bottom: 20px;
}

#question-area {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.option {
    display: block;
    padding: 12px;
    margin: 8px 0;
    cursor: pointer;
}

.option input {
    margin-right: 8px;
}

.rating-option {
    display: inline-block;
    margin-right: 15px;
}

textarea {
    width: 100%;
    resize: vertical;
    padding: 10px;
    font-size: 16px;
}

input[type="number"] {
    padding: 10px;
    font-size: 16px;
    width: 150px;
}

.navigation {
    display: flex;
    justify-content: space-between;
}

.navigation button {
    background: #333;
    color: white;
}


.response-count {
    color: #666;
    font-size: 16px;
}

.analysis-question {
    background: #f8f8f8;
    padding: 20px;
    margin-top: 20px;
    border-radius: 10px;
}

.analysis-question h3 {
    margin-top: 0;
}

.analysis-list {
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.analysis-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.analysis-item:last-child {
    border-bottom: none;
}

.number-analysis {
    background: white;
    padding: 10px 15px;
    border-radius: 8px;
}

.number-analysis p {
    margin: 10px 0;
}

.text-answers {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.text-answer {
    background: white;
    padding: 12px 15px;
    border-radius: 8px;
    display: flex;
    gap: 10px;
}

.empty-text {
    color: #888;
}