/* rest*/
* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: Arial, Helvetica, sans-serif;
	line-height: 1.4;
}

a {
	text-decoration: none;
}

p {
	margin: 0.75rem 0;
}

h5 {
	font-size: 0.8rem;
	color: #FF4500;
}

/* utility classes*/
.container {
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 2rem;
	overflow: hidden;
}

.text-primary {
	color: #93cb52;
}

.text-center {
	text-align: center;
}


.text-center-tips {
	text-align: center;
	color: #FF4500;
	font-size:14px;
	font-weight: bold;
}

.weixin-tip {
	display: none;
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	filter: alpha(opacity=50);
	width: 100%;
	height: 100%;
	z-index: 100;
}

.weixin-tip p {
	text-align: center;
	margin-top: 4%;
	padding: 0 5%;
}

.bg-light {
	background: #f4f4f4;
	color: #333333;
}

.bg-dark {
	background: #333333;
	color: #FFFFFF;
}

.bg-primary {
	background: #93CB52;
	color: #FFFFFF;
}

.l-heading {
	font-size: 3rem;
	margin-bottom: 0.75rem;
	line-height: 1.1;
}

.m-heading {
	font-size: 1rem;
	margin-bottom: 0.75rem;
	line-height: 1.1;
}

.lead {
	font-size: 1.3rem;
	margin-bottom: 2rem;
}


.py-1 {
	padding: 1.5rem 0;
}

.py-2 {
	padding: 2rem 0;
}

.py-3 {
	padding: 3rem 0;
}

.p-1 {
	padding: 1.5rem;
}

.p-2 {
	padding: 2rem;
}

.p-3 {
	padding: 3rem;
}

.appInfo {
	display: inline-block;
	color: #de1d2d;
	padding: 0.5rem 2rem;
	border: none;
	border-radius: 5px;
}

.btn {
	display: inline-block;
	color: #fff;
	background-color: #93CB52;
	padding: 0.5rem 2rem;
	border: none;
	border-radius: 5px;
}

.btn-dark {
	background: #333;
	color: #FFF;
}

.btn:hover {
	background-color: #7ab436;
}

.list {
	margin: 0.5rem 0;
	list-style: none;
}

.list li {
	padding: 0.5rem 0;
	border-bottom: #444 dotted 1px;
}

/* narbar*/
#navbar {
	display: flex;
	justify-content: space-between;
	background-color: #333;
	color: #fff;
	position: sticky;
	top: 0;
	z-index: 1;
	padding: 1rem;
}

#navbar ul {
	display: flex;
	list-style: none;
	align-items: center;

}

#navbar ul li a {
	color: white;
	padding: 0.75rem;
	margin: 0 0.25rem;
}

#navbar ul li a:hover {
	background-color: #93cb52;
	border-radius: 5px;
}

/* home*/
#home {
	background: url('../img/home-bg.jpg') no-repeat center center/cover;
	height: 100vh;
	color: #fff;
	position: relative;
}

/* home*/
#home-vpn {
	background: url('../img/home-bg-vpn.png') no-repeat center center/cover;
	height: 10vh;
	color: #fff;
	position: relative;
}

#home .home-content {
	display: flex;
	flex-direction: column;
	justify-content: baseline;
	align-items: center;
	height: 100%;
	text-align: center;
	padding: 0 2rem;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgb(0, 0, 0, 0.4);
}

#home-vpn .home-content {
	display: flex;
	flex-direction: column;
	justify-content: baseline;
	align-items: center;
	height: 100%;
	text-align: center;
	padding: 0 2rem;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgb(0, 0, 0, 0.4);
}


/* section:what we do*/
#what .items {
	display: flex;
	padding: 1rem;
}

#what .items .item {
	flex: 1;
	text-align: center;
	border: none;
}

#what .items .item i {
	background: #93CB52;
	padding: 1rem;
	border-radius: 50%;
	margin-bottom: 1rem;
}

/* section:who we are*/
#who {
	display: flex;
}

#who div {
	flex: 1;
	flex-basis: 100%;
	border-radius: 20px;
}

#who .who-img {
	background: url('../img/people.jpg') no-repeat center center/contain;
	background-color: #999;
}

#who .app-img {
    background: url('../img/app.png') no-repeat center center/contain;
    background-color: #999;
}

#who .vpn-tips-img {
	background: url('../img/vpn_tips.png') no-repeat center center/contain;
	background-color: #999;
}

#who .help-killer-img-a {
	background: url('../img/image_help_1.png') no-repeat center center/contain;
	background-color: #999;
}

#who .help-killer-img-b {
	background: url('../img/image_help_2.png') no-repeat center center/contain;
	background-color: #999;
}

#who .help-killer-img-c {
	background: url('../img/image_help_3.png') no-repeat center center/contain;
	background-color: #999;
}

#who .help-killer-video-a {
	background: url('../img/video_help_1.png') no-repeat center center/contain;
	background-color: #999;
}

/* section:clients*/
#clients .items {
	display: flex;
}

#clients .items img {
	display: block;
	margin: 0 auto;
	width: 60%;
	border: #666 solid 1px;
	border-radius: 50%;
}

/* section:contact*/
#contact {
	display: flex;
}

#contact div {
	flex: 1;
	flex-basis: 50%;
	border-radius: 20px;
}

#contact .contact-img {
	background: url("../img/contact.jpg") no-repeat center center/contain;
}

#contact .contact-form .from-group {
	margin: 0.75rem;
}

#contact .contact-form label {
	display: block;
}

#contact .contact-form input,
#contact .contact-form textarea {
	width: 100%;
	padding: 0.5rem;
}