* {
    padding: 0;
    margin: 0;
    border: 0;
    font-family: "HarmonyOS Sans SC", "Microsoft Yahei UI", "Microsoft Yahei", "Helvetica", sans-serif;
    color: inherit;
    box-sizing: border-box;
}

body {
    width: 100%;
    margin: 0 auto;
    background-color: #F5F5F5;
}

a {
    text-decoration: none;
}

:focus,
:active {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    outline: none;
}

.unselectable,
.btn-list .btn {
    user-select: none;
}

.zh {
    color: #007AFF;
}

.en {
    color: #FF2D70;
}

.container {
    max-width: 90%;
    margin: 0 auto;
    padding: 40px;
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.left-panel {
    width: 350px;
    flex-shrink: 0;
}

.right-panel {
    flex: 1;
    min-width: 0;
}

textarea {
    max-width: 100%;
    min-height: 600px;
    padding: 15px;
    font-size: 16px;
    display: block;
    width: 100%;
    border-radius: 10px;
    border: 1px solid #ccc;
    transition: box-shadow 0.3s;
    resize: none;
    overflow-y: hidden;
}

.info {
    color: #666;
    background-color: white;
    border: 1px solid #ccc;
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.info .info-item {
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.info .info-item:last-child {
    margin-bottom: 0;
}

.info .info-item>h6 {
    letter-spacing: 0.5px;
    font-weight: normal;
    font-size: 14px;
}

.info .info-item>p {
    text-align: right;
}

.operations {
    width: 100%;
}

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

.btn-group-title {
    letter-spacing: 1px;
    font-weight: bold;
    line-height: 1.5;
    margin-bottom: 10px;
}

.btn-list {
    display: flex;
    justify-content: flex-start;
    flex-flow: row wrap;
}

.btn-list .btn {
    letter-spacing: 1px;
    cursor: pointer;
    margin-bottom: 8px;
    margin-right: 15px;
    min-width: 12%;
    border-radius: 5px;
    border: 1px solid #ddd;
    padding: 8px 10px;
    font-size: 14px;
    color: #666;
    text-align: center;
    background-color: white;
}

.btn-list .btn:hover {
    background-color: white;
    color: #FF2D70;
    border-color: #FF2D70;
}

.btn-list .btn:active {
    transform: translateY(2px);
}

@media (max-width: 1200px) {
    .container {
        padding: 10px;
        flex-direction: column;
    }

    .left-panel {
        width: 100%;
    }

    .right-panel {
        width: 100%;
    }

    textarea {
        min-height: 150px;
    }

    .info {
        padding: 10px 15px;
        display: flex;
        align-items: center;
        flex-flow: row wrap;
    }

    .info .info-item {
        width: 40%;
        margin-right: 20%;
        line-height: 1.8;
        margin-bottom: 0;
    }

    .info .info-item>h6 {
        font-size: 12px;
    }

    .info .info-item>p {
        font-size: 12px;
    }

    .info .info-item:nth-child(2n) {
        margin-right: 0;
    }

    .btn-group .btn-group-title {
        font-size: 16px;
        width: 100%;
    }

    .btn-group .btn-list .btn {
        margin-right: 2%;
        margin-bottom: 5px;
        padding: 5px 10px;
        border-radius: 5px;
        font-size: 14px;
    }
}