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

body {
    background-color: #f5f7fa;
    padding: 40px 20px;
}

/*总盒子*/
.containt-box{
	max-width: 600px;
    margin: 0 auto;
}
/*标题*/
.title {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
}
/*------输入框样式-------*/
.enter-box{
	display: flex;
    column-gap: 12px;
    margin-bottom: 25px;
}
#input_text {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    outline: none;
    transition: 0.2s;
}

#input_text:hover {
    border-color: #8cff40;
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
}


/*----按钮样式---- */
/*通用按钮*/
.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    transition: 0.2s;
}
/*添加按钮*/
.add-btn {
    background-color: #409eff;
    color: white;
}
.add-btn:hover {
    background-color: #337ecc;
}
/*清空按钮*/
.clear-btn {
    background-color: #6c757d;
    color: white;
}
.clear-btn:hover {
    background-color: #5a6268;
}

/* 删除按钮 */
.del_btn {
    padding: 6px 14px;
    background-color: #f56c6c;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s;
}
.del_btn:hover {
    background-color: #e04343;
}

/*------待办列表------*/
/* 待办列表容器 */
.todo-box {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

/* 单条待办条目 */
.todo-box > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background-color: #fafafa;
    border-radius: 6px;
    margin-bottom: 10px;
    font-size: 16px;
}