* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

textarea, input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

textarea:focus, input:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.char-count {
    font-size: 14px;
    color: #888;
    float: right;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

#message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    display: none;
}

.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

/* 反馈浏览区域样式 */
.feedback-list-container {
    margin-top: 50px;
}

.feedback-list-container h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

.feedback-item {
    margin-bottom: 15px;
}

/* 科技感按钮样式 */
.tech-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: linear-gradient(45deg, #2980b9, #3498db);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    position: relative;
    overflow: hidden;
    margin-bottom: 10px;
}

.tech-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transition: all 0.5s ease;
}

.tech-button:hover::before {
    left: 0;
}

.tech-button:hover {
    background: linear-gradient(45deg, #3498db, #2980b9);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.tech-button:active {
    transform: translateY(0);
}

.button-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.button-title {
    font-weight: bold;
    margin-right: 10px;
}

.button-icon {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.tech-button:hover .button-icon {
    transform: translateX(5px);
}