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

ul {
    list-style: none;
}
html {
	<link rel="shortcut icon" href="./logo.ico"/>
}
/* main style */
html,
body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7em;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
}
body{
    padding-bottom: 80px;
	overflow-y: scroll;
}

a {
    text-decoration: none;
    color: #333;
}

/* utility classes */
.container {
    display: flex;
    flex-direction: row;
    width: 1080px;
}

.margintb {
    margin: 80px 0;
}

.title {
    width: 1080px;
    height: 40px;
    margin: 48px auto;
    border-bottom: 1px solid lightgray;
    display: flex;
    justify-content: space-between;
}

h2 {
    color: #4eb3ea;
    font-size: 28px;
    max-width: 700px;
}

h3 {
    color: #0099cc;
    font-size: 20px;
    line-height: 20px;
}

h2~span {
    color: #bbbaba;
	font-size: 21px;
	line-height: 20px
}

/* navbar */
#navbar {
    background-color: #fff;
    width: 1080px;
    height: 100px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

#navbar ul {
    display: flex;
    flex-direction: row;
}

#navbar ul li a {
    display: block;
    padding: 0 8px;
    cursor: pointer;
}

#navbar ul li a:hover,
#navbar ul li a.current {
    color: #4eb3ea;
    border-bottom: 2px solid #4eb3ea;
}

/* 大图 */
.show img {
    /* width: 1440px; */
    /* height: 480px; */
    width: 1080px;
    object-fit: contain;
}