这是我正在使用的引导程序3.3.1，此代码不适用于移动设备。当我在移动设备中打开时，所有内容变小，而不是转换为grids。请告诉我如何使它响应移动。 这是我使用的引导程序3.3.1，此代码不适用于移动设备。当我在移动设备中打开时，所有内容都会变小，而不是转换为网格。请告诉我如何使它适应移动设备。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="css/font-awesome.min.css">
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/style.css">
<!-- ====================================================
header section -->
<header class="top-header" >
<div class="container">
<div class="row">
<div class="col-xs-5 header-logo">
<br>
<a href="http://mysite"><img src="img/logo.png" alt="" class="img-responsive logo"></a>
</div>
<div class="col-md-7">
<nav class="navbar navbar-default">
<div class="container-fluid nav-bar">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li><a class="menu active" href="http://www.mysite" >Home</a></li>
<li><a class="menu" href="#products">our products </a></li>
<li><a class="menu" href="#contact"> contact us</a></li>
</ul>
</div><!-- /navbar-collapse -->
</div><!-- / .container-fluid -->
</nav>
</div>
</div>
</div>
</header> <!-- end of header area -->
<section class="slider" id="home">
<div class="container-fluid">
<div class="row">
<div id="carouselHacked" class="carousel slide carousel-fade" data-ride="carousel">
<div class="header-backup"></div>
<!-- Wrapper for slides -->
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="img/-slider.png" alt="">
<div class="carousel-caption">
<h1></h1>
<p></p>
<button>button</button>
</div>
</div>
<div class="item">
<img src="img/-slider.png" alt="">
<div class="carousel-caption">
<<h1></h1>
<p></p>
<button>button</button>
</div>
</div>
<div class="item">
<img src="img/-slider.png" alt="">
<div class="carousel-caption">
<<h1></h1>
<p></p>
<button>button</button>
</div>
</div>
<div class="item">
<img src="img/-slider.png" alt="">
<div class="carousel-caption">
<<h1></h1>
<p></p>
<button>button</button>
</div>
</div>
</div>
<!-- Controls -->
<a class="left carousel-control" href="#carouselHacked" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#carouselHacked" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
</div>
</section>
<br />
<div class="container" id="products">
<div class="row">
<div class="col-md-4 col-xs-4">
<img class="img-responsive" src="img/women-care.jpg" style="width: 140px; height: 140px;">
<h2>Women Care</h2>
<p>product description</p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div><!-- /.col-md-4 -->
<div class="col-md-4 col-xs-4">
<img class="img-responsive" src="img/man-power.jpg" style="width: 140px; height: 140px;">
<h2>Man Power</h2>
<p>product description</p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div><!-- /.col-md-4 -->
<div class="col-md-4 col-xs-4">
<img class="img-responsive" src="img/" style="width: 140px; height: 140px;">
<h2>Product Name</h2>
<p>product description</p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div><!-- /.col-md-4 -->
</div>
<div class="row">
<div class="col-md-4 col-xs-4">
<img class="img-responsive" src="img/" style="width: 140px; height: 140px;">
<h2>Product Name</h2>
<p>product description</p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div><!-- /.col-md-4 -->
<div class="col-md-4 col-xs-4">
<img class="img-responsive" src="img/" style="width: 140px; height: 140px;">
<h2>Product Name</h2>
<p>product description</p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div><!-- /.col-md-4 -->
<div class="col-md-4 col-xs-4">
<img class="img-responsive" src="img/" style="width: 140px; height: 140px;">
<h2>Product Name</h2>
<p>product description</p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div><!-- /.col-md-4 -->
</div>
</div>
<!-- map section -->
<section class="api-map" id="contact">
<div class="container-fluid">
<div class="row">
<div class="col-md-12 map" id="map"></div>
</div>
</div>
</section><!-- end of map section -->
<!-- contact section starts here -->
<section class="contact">
<div class="container">
<div class="row">
<div class="contact-caption clearfix">
<div class="contact-Product Name text-center">
<h2>contact us</h2>
</div>
<div class="col-md-5 contact-info text-left">
<h3>contact information</h3>
<div class="info-detail">
<ul><li><i class="fa fa-calendar"></i><span>Monday - Sunday:</span> 24X7</li></ul>
<ul><li><i class="fa fa-map-marker"></i><span>Address:</span></li></ul>
<ul><li><i class="fa fa-phone"></i><span>Telephone:</span> </li></ul>
<ul><li><i class="fa fa-envelope"></i><span>Email:</span> info@mysite</li></ul>
</div>
</div>
<div class="col-md-6 col-md-offset-1 contact-form">
<h3>leave us a message</h3>
<form class="form">
<input class="name" type="text" placeholder="Name">
<input class="email" type="email" placeholder="Email">
<input class="phone" type="text" placeholder="Phone No:">
<textarea class="message" name="message" id="message" cols="30" rows="10" placeholder="Message"></textarea>
<input class="submit-btn" type="submit" value="SUBMIT">
</form>
</div>
</div>
</div>
</div>
</section><!-- end of contact section -->
<!-- footer starts here -->
<footer class="footer clearfix">
<div class="container">
<div class="row">
<div class="col-xs-6 footer-para">
<p><i style="color:white;">©</i> <a href="http://www.mysite"><i style="color:white;">mysite</i></a> All right reserved</p>
</div>
<div class="col-xs-6 text-right">
<a href=""><i class="fa fa-facebook"></i></a>
<a href=""><i class="fa fa-twitter"></i></a>
<a href=""><i class="fa fa-skype"></i></a>
</div>
</div>
</div>
</footer>
<!-- script tags
============================================================= -->
<script src="js/jquery-2.1.1.js"></script>
<script src="http://maps.google.com/maps/api/js?sensor=true"></script>
<script src="js/gmaps.js"></script>
<script src="js/smoothscroll.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/custom.js"></script>