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HarmonyOS
是这样的，现在有一个网页文件。如下图所示：
该怎样利用Iframe属性使得导航条始终位于My Account栏下面呢？
变成如下效果：
就是正文内容放在iframe内，自带导航条，外面的导航条消失，使得内部导航条不会超过上面的蓝色标题栏，并且正文内容自适应大小。该怎么弄呢？
代码如下:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<style type="text/css">
body {
margin: 0px;
font-family: Arial;
}
div {
width: 100%;
height: 100%;
position: absolute;
}
.introduce {
width: 96%;
padding: 45px 2%;
}
.head_info {
position: fixed;
z-index: 1;
}
#profileAccount div {
margin-left: -13px;
float: left;
width: 12px;
position: absolute;
}
.forLeft {
margin-left: -20px;
}
a {
float: left;
position: relative;
left: 10px;
top: 7px;
}
img {
width: 20px;
height: 27px;
}
.title {
width: 100%;
height: 40px;
background-color: #00013D;
color: #fff;
text-align: center;
line-height: 40px;
font-size: 18px;
}
</style>
</head>
<body>
<div class="head_info">
<a href="../help_en.html" target="_self"><img src="../images/but_back.png"/></a>
<div class="title">
My Account
</div>
</div>
<div class="introduce" id="profileAccount" >
In this menu you can find and manage:
<ul class="forLeft">
<li>
Under my “<b>My On Demand</b>” menu:
</li>
<li style="margin-left: 14px;list-style: none;">
<div>
-
</div>
your “<b>Bookmarks</b>”: movies that you have start watching so that you can continue from where you have left it off, to any of your registered devices
</li>
<li style="margin-left: 14px;list-style: none;">
<div>
-
</div>
your “<b>Favorites</b>”: so you can easily find the On Demand titles that you like
</li>
<li>
Your “<b>Favorite channels</b>”. By pressing edit you can easily add/delete channels to/from your favorites. The editing of favorites is common for OTE TV and OTE TV GO channels
</li>
<li>
The “Reminders” that you have set through the program guide
</li>
<li>
The “Rental history” of your account, which is available only under the admin profile
</li>
</ul>
In the “Profile management” menu you can change your access rights and your login name and pin or you can bind/unbind your Facebook and Twitter account.
<br />
<br />
The administrator of the account (initial profile) can create up to five (5) sub- profiles and grant/define certain rights to them.
<br />
<br />
In order to create a profile you need to set:
<ul class="forLeft">
<li>
<b>Login Name.</b> The Login Name must contain at least one letter, must be 5-32 characters long and can also contain numbers, (.) and (_). Additionally, the login name should be available and not already in use by another customer or profile of your account
</li>
<li>
<b>Name.</b> The Name of the Profile must contain at least one letter, must be 1-32 characters long and can also contain numbers, (.) and (_). Additionally, the profile name should be available and not already in use by another profile under your account
</li>
<li>
<b>PIN.</b> The pin can be 4-12 digits long
</li>
<li>
<b>Avatar (image)</b> from the available images
</li>
<li>
<b>Parental control rating.</b> The default level is set at “all ages admitted”
</li>
<li>
<b>Monthly rental allowance</b> in euro (€), according to which the profile has the right to rent movies on OTE Cinema On Demand up to a certain amount of money. The default level is set to “No limit”
</li>
</ul>
Additionally, you can lock any channels or the OTE Cinema on Demand catalogues.
<br />
<br />
The new profile can login with the Login name/Pin that you created for him directly to any of your registered devices.
</div>
</body>
</html>
@dechinkey 不清楚你在讲什么，最好黏上关键代码