@import url('https://cdn.jsdelivr.net/npm/cn-fontsource-ding-talk-jin-bu-ti-regular/font.css');
body, html {
    font-family: Roboto, "DingTalk JinBuTi", sans-serif !important;
}
body,
html {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #f0f0f0;
    padding-top: 30px;
}

#controls {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    width: 95%;
    max-width: 800px;
    text-align: center;
}

#gradient {
    display: none;
}

.preview-container {
    text-align: center;
    width: 100%;
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

#preview {
    border: 1px solid #ddd;
    margin-top: 10px;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-group+.form-group {
    margin-top: 20px;
}

.examples {
    margin-top: 20px;
    font-size: 0.9em;
    color: #888;
    text-align: left;
}
.preview-container {
    padding-bottom: 50px; /* 自定义底部距离，可以根据需要调整 */
}