.tool-container {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 15px;
}
.box-wrap {
    background: #fff;
    padding: 30px;
}
.set-title {
    font-size: 16px;
    font-weight: 600;
    color: #222;
    margin-bottom: 18px;
    padding-left: 6px;
    border-left: 3px solid #2774e6;
}
.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 16px;
}
.form-item {
    flex: 1;
    min-width: 180px;
}
.form-item-full {
    width: 100%;
}
.form-item label {
    display: block;
    font-size: 14px;
    color: #444;
    margin-bottom: 7px;
}
.form-item input[type="number"],
.form-item select {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    border: 1px solid #e2e5ec;
    border-radius: 6px;
    outline: none;
    box-sizing: border-box;
    font-size: 14px;
}
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}
.radio-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.radio-item input[type="radio"] {
    appearance: checkbox !important;
    -webkit-appearance: checkbox !important;
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.btn-wrap {
    display: flex;
    gap: 12px;
    margin: 25px 0;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f2f5;
}
.tool-btn {
    padding: 9px 20px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-make {
    background-color: #2774e6;
    color: #fff;
}
.btn-make:hover {
    background-color: #1f62c8;
}
.btn-copy {
    background-color: #0fb872;
    color: #fff;
}
.btn-copy:hover {
    background-color: #089c5f;
}
.btn-clear {
    background-color: #f5f7fa;
    color: #555;
}
.btn-clear:hover {
    background-color: #e8ebf0;
}
.result-area {
    width: 100%;
    height: 300px;
    padding: 14px;
    border: 1px solid #e2e5ec;
    border-radius: 8px;
    resize: none;
    outline: none;
    font-size: 14px;
    line-height: 1.8;
    box-sizing: border-box;
}
.remark-txt {
    margin-top: 12px;
    font-size: 13px;
    color: #888;
}
.toast-tip {
    position: fixed;
    left: 50%;
    bottom: 60px;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 10px 22px;
    border-radius: 5px;
    font-size: 14px;
    z-index: 999;
    display: none;
}