@charset "utf-8";

.container-fluid {
	background-color: #0F6C94;
}

.hero {
    position: relative;
	width: 100%;
	height: 850px;
    background: url("image/herobg.png")no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content {
    position: relative;

}

.hero h1 {
    font-size: 100px;
    margin: 0px;
	margin-right: 350px;
	text-align: left;
	color: #0F6C94;
	font-family: "Arsenal", sans-serif;
	
}

.hero .cta-button {
    margin-top: 20px;
    padding: 10px 30px;
    background-color: #0F6C94;
    border: none;
    color: white;
    font-size: 25px;
    cursor: pointer;
    transition: background-color 0.3s ease;
	border-radius: 5px;
	text-align: center;
	font-family: "Arsenal", sans-serif; 
}

.hero .cta-button:hover {
    background-color: rgba(0, 0, 0, 0.9);
}

.section {
    padding: 50px;
    background-color: #52CFFF; /* 单色背景 */
	height: 770px;
	
}

.section h2 {
    font-size: 2em;
    margin-bottom: 20px;
	color: white;
}

.section-2 strong {
	color: #0F6C94;
}

.section p {
    font-size: 1em;
    color: white;
}


.cta-button {
	margin: 200px;
	weight:20px;
}

h2 {
	text-align: center;
}

.section-2 {
	display: flex;
}

.nav-link {
	color: aliceblue !important;
}

.about-intro {
	margin: 20px;
	margin-top: -10px;
	margin-right: 50px;
	margin-left: 40px;
	font-size: 30px;
}

body {
    margin: 0;
    font-family: "Arsenal", sans-serif;
    font-style: normal;
}

.section-3 {
	background-color: #0F6C94 !important;
	color: white;
	height: 1300px;
}

.navbar-expand-lg {
	margin: 0;
	padding: 0;
}

.about-intro p {
	font-size: 20px;
}

.card {
	background-color: #D5F8FF;
	margin: 20px;
	padding:20px;
	color: black;
	box-shadow:  0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
	height: 500px;
}

.guide {
	margin: 100px;
	margin-top: 10px;
}

.card-video-top {
	box-shadow:  0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
	border-radius: 1px;
	weight: 230px;
	height: 250px;
}

.card-text {
	color: black;
}

.card-body {
	overflow: hidden;
}

.section-4 {
    background-color: #52CFFF; /* 单色背景 */
	height: 950px;
}

.section-4 h2 {
    color: white;
	
}

.section-4 h5,p {
	color: #0F6C94;
}

.card-img-top {
	box-shadow:  0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.news {
	margin: 100px;
	margin-top: 10px;
	padding: 20px;
}

.cta-button:hover {
  /* Start the shake animation and make the animation last for 0.5 seconds */
  animation: shake 0.5s;

  /* When the animation is finished, start again */
  animation-iteration-count: infinite;
}

@keyframes shake {
  0% { transform: translate(1px, 1px) rotate(0deg); }
  10% { transform: translate(-1px, -2px) rotate(-1deg); }
  20% { transform: translate(-3px, 0px) rotate(1deg); }
  30% { transform: translate(3px, 2px) rotate(0deg); }
  40% { transform: translate(1px, -1px) rotate(1deg); }
  50% { transform: translate(-1px, 2px) rotate(-1deg); }
  60% { transform: translate(-3px, 1px) rotate(0deg); }
  70% { transform: translate(3px, 1px) rotate(-1deg); }
  80% { transform: translate(-1px, -1px) rotate(1deg); }
  90% { transform: translate(1px, 2px) rotate(0deg); }
  100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.newscard-title, .newscard-text {
	text-align: center;
}

.newscard-text {
	color: white;
}

.card-video-top:hover {
  /* Start the shake animation and make the animation last for 0.5 seconds */
  animation: shake 0.5s;

  /* When the animation is finished, start again */
  animation-iteration-count: infinite;
}

@keyframes shake {
  0% { transform: translate(1px, 1px) rotate(0deg); }
  10% { transform: translate(-1px, -2px) rotate(-1deg); }
  20% { transform: translate(-3px, 0px) rotate(1deg); }
  30% { transform: translate(3px, 2px) rotate(0deg); }
  40% { transform: translate(1px, -1px) rotate(1deg); }
  50% { transform: translate(-1px, 2px) rotate(-1deg); }
  60% { transform: translate(-3px, 1px) rotate(0deg); }
  70% { transform: translate(3px, 1px) rotate(-1deg); }
  80% { transform: translate(-1px, -1px) rotate(1deg); }
  90% { transform: translate(1px, 2px) rotate(0deg); }
  100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.section-5 {
	background-color: #0F6C94 !important;
	height: 1000px;
}

.section-5 h2,h3 {
	color: white;
}

.intro-com {
	text-align: center;
	color: white;
}

.bi {
	color: white;
	font-size: 35px;
	text-align: center;
}

.icons {
	display: flex;
	justify-content: center;
}

.sign-up, h3{
	text-align: center;
	color: white;
}

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

form{
	text-align: center;
}


@media only screen and (max-width:996px){
	.navbar-nav {
		text-align: center;
	}
	
	.about-img {
			height: 100px;

		
	}
	
	.section, .section-2, .section-3, .section-4, .section-5 {
		height: auto;
	}
	
	.hero h1 {
		font-size: 50px;
		margin: 0px;
		margin-left: 100px;
		margin-right: 50px;
		margin-bottom: 1px;
	}
	
	.hero {
		background-size: cover;
	}

    .hero .cta-button {
      	padding: 8px 16px;
        font-size: 20px; 
    }
	
	.cta-button {
		text-align: center;
		margin: 100px;
		margin-top: 0px;
	}
	

	
.card {
	margin: 0px;
	height: 95%;
	padding: 5px 10px;
	width: 280px;
}

	.guide {
		margin: 60px;
		margin-top: 0px;
		margin-bottom: 0px;
	}
	
	iframe {
		height: auto;
	}

	.section-2 {
        display: block; 
        text-align: left; 
    }

    .section-2 img {
        width: 100%; 
        height: auto; 
        margin-bottom: 20px;
    }

    .about-intro {
        margin: 0;
    }

    .section h2 {
        font-size: 1.5em; 
    }

    .section p {
        font-size: 18px; 
    }
	
	.card-video-top {
		width: 100%;
		height: auto;
	}
	
	.card-body {
		overflow: hidden;
	}
	
	.news {
		margin-bottom: 0px;
	}
	
}