.tool-container {
    max-width: 860px;
    margin: 20px auto;
    padding: 24px;
    box-sizing: border-box;
}
/* 顶部警示提示 */
.tool-desc {
    color: #e64340;
    font-size: 14px;
    line-height: 1.7;
    margin: 0 0 24px 0;
    padding: 10px 12px;
    background: #fff5f5;
    border-radius: 6px;
    border-left: 4px solid #e64340;
}
.form-group {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.form-label {
    width: 110px;
    font-size: 15px;
    color: #333;
    font-weight: 500;
}
/* 输入框、下拉框样式 */
.form-select,
.form-input {
    height: 36px;
    padding: 0 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
    min-width: 200px;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
}
.form-select:focus,
.form-input:focus {
    border-color: #79bbff;
}

/* 少量选项：块状按钮单选组 */
.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.btn-option {
    padding: 7px 20px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    background: #ffffff;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}
/* 选中态 浅蓝配色 */
.btn-option.active {
    background-color: #e8f4ff;
    border-color: #79bbff;
    color: #337ecc;
}
.btn-option:hover:not(.active) {
    border-color: #b3d8ff;
    color: #337ecc;
}

/* 功能按钮组 */
.btn-wrap {
    margin: 20px 0;
    display: flex;
    gap: 12px;
}
.btn {
    height: 38px;
    padding: 0 26px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-generate {
    background-color: #79bbff;
    color: #fff;
}
.btn-generate:hover {
    background-color: #94c7ff;
}
.btn-generate:disabled {
    background-color: #b3d8ff;
    cursor: not-allowed;
}
.btn-copy {
    background-color: #85ce61;
    color: #fff;
}
.btn-copy:hover {
    background-color: #9ed57e;
}
.btn-clear {
    background-color: #c0c4cc;
    color: #fff;
}
.btn-clear:hover {
    background-color: #d3d6db;
}

/* 结果展示框 */
.result-box {
    margin-top: 10px;
    padding: 16px;
    border: 1px solid #ebeef5;
    border-radius: 6px;
    min-height: 120px;
    background-color: #fafafa;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 2;
    font-size: 14px;
    color: #333;
}
.tips-text {
    font-size: 13px;
    color: #999;
    margin-top: 8px;
}