body {
    font-family: '微软雅黑', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    color: #333;
}

.header {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: bold;
    color: #50b3a2;
}

.header h1 span {
    border: 2px solid #50b3a2;
    padding: 5px 10px;
    border-radius: 5px;
    display: inline-block;
    background-color: #f0f0f0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header h1 span:hover {
    background-color: #e0e0e0;
}

.search-container {
    display: flex;
    align-items: center;
    background-color: #fff;
    border: 1px solid #50b3a2;
    border-radius: 5px;
    padding: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.search-container input[type="text"] {
    border: none;
    padding: 10px;
    flex-grow: 1;
    border-radius: 5px 0 0 5px;
}

.search-container button {
    background-color: #50b3a2;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 0 5px 5px 0;
    transition: background-color 0.3s ease;
}

.search-container button:hover {
    background-color: #3d8a78;
}

.container {
    width: 80%;
    margin: 15px auto;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

h2 {
    color: #333;
    font-size: 20px;
    margin-top: 0;
}

p {
    line-height: 1.6;
    color: #666;
}

.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

.history-section {
    margin-bottom: 20px;
    padding: 10px;
    border-left: 5px solid #50b3a2;
    background-color: #e9e9e9;
    position: relative;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.history-section:hover {
    background-color: #d9d9d9;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.history-section::after {
    content: attr(data-description);
    position: absolute;
    left: 50%;
    bottom: 100%;
    transform: translateX(-50%);
    background-color: rgba(80, 179, 162, 0.9);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.history-section:hover::after {
    opacity: 1;
}

.music-player {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #fff;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 1000;
}

.music-player audio {
    width: 100%;
    margin-bottom: 10px;
}

.music-player button {
    padding: 5px 10px;
    margin-right: 5px;
    cursor: pointer;
    background-color: #50b3a2;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.music-player button:hover {
    background-color: #3d8a78;
}