body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: white;
}

.header-bar {
    width: 100%;
    height: 15px;
    background-color: #0074b8; /* 深蓝条 */
}

.main-title {
    margin: 20px 0;
    font-size: 28px;
    color: #008080;
    font-weight: bold;
    text-align: center;
}

.form-section {
    background-color: #aefeff; /* 浅蓝绿色 */
    padding: 30px 0;
}

fieldset {
    border: 2px solid #00cccc;
    background-color: #aefeff;
    padding: 20px;
    margin: 0 auto;
    width: 60%;
    border-radius: 8px;
}

legend {
    font-weight: bold;
    font-size: 16px;
}

label {
    font-weight: bold;
}

textarea {
    width: 100%;
    height: 100px;
    font-size: 16px;
    padding: 0; /* 无内部填充 */
    margin-top: 10px;
    border: 1px solid red;
    border-radius: 5px;
    resize: vertical;
}

.button-group {
    margin-top: 15px;
    text-align: center;
}

button {
    background-color: #008080;
    color: white;
    padding: 8px 18px;
    margin: 5px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
}

button:hover {
    background-color: #006666;
}

.result-title {
    background-color: transparent; /* 透明背景 */
    margin: 30px 0 10px 0;
    font-size: 22px;
    color: #008080;
    font-weight: bold;
    text-align: center;
    border: none;
}

.result-box {
    background-color: #ffccff; /* 粉紫色 */
    padding: 20px;
    font-size: 16px;
    color: #000;
    line-height: 1.6;
    width: auto;
    text-align: center;
    margin-bottom: 30px;
}