* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s, color 0.3s;
}

.back-section {
    margin-top: 30px;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-back {
    display: inline-block;
    padding: 10px 20px;
    background-color: #6c757d;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
    text-align: center;
    min-width: 120px;
}

.btn-back:hover {
    background-color: #5a6268;
}

.container {
    width: 100%;
    max-width: 800px;
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    background-color: white;
    color: black;
    transition: background-color 0.3s, color 0.3s;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 15px;
}

.toggle-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.toggle-label {
    flex-grow: 1;
    display: inline-block;
    vertical-align: top;
    line-height: 24px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4CAF50;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

input, select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #d3d3d3;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
}

.range-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 5px;
}

.range-value {
    margin-bottom: 5px;
    font-weight: bold;
}

.number-range-container {
    display: none;
    margin-top: 10px;
    padding: 10px;
    background-color: #f0f0f0;
    border-radius: 4px;
}

.number-settings-container {
    margin-top: 10px;
}

/* 首页按钮样式 */
.home-btn {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: #007bff;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.home-btn:hover {
    background-color: #0069d9;
}

.home-btn:active {
    transform: translateY(1px);
}

/* 按钮样式 */
.btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin: 5px;
}

.btn:hover {
    background-color: #45a049;
}

.copy-btn {
    background-color: #008CBA;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 3px;
    cursor: pointer;
}

.copy-btn:hover {
    background-color: #007B9A;
}

.result-container {
    margin-top: 20px;
}

.string-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border: 1px solid #ddd;
    margin-bottom: 5px;
    background-color: #f9f9f9;
    word-break: break-all;
}

.string-text {
    flex-grow: 1;
    margin-right: 10px;
    word-break: break-all;
}

.color-input-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.color-input {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-right: 10px;
    font-family: monospace;
}

.color-label {
    width: 80px;
    font-weight: bold;
}