body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, p, blockquote, table, th, td, embed, object { padding: 0; margin: 0; } table { border-collapse: collapse; border-spacing: 0; } fieldset, img, abbr { border: 0; } address, caption, cite, code, dfn, em, h1, h2, h3, h4, h5, h6, strong, th, var { font-weight: normal; font-style: normal; } ul { list-style: none; } caption, th { text-align: left; } h1, h2, h3, h4, h5, h6 { font-size: 1em; } q:before, q:after { content: ”; } a, ins { text-decoration: none; } .contain { width: 100%; min-width: 1200px; } .contain img { width: 100%; line-height: 0; display: block; } #head { width: 100%; height: 81px; position: fixed; left: 0; right: 0; margin: auto; background-color: rgba(0, 0, 0, 0.5) !important; transition: background-color 0.3s; } .header { width: 1200px; margin: 0 auto; overflow: hidden; display: flex; justify-content: space-between; align-items: center; } .header .logo { width: 147px; height: 43px; margin: 19px 0; cursor: pointer; } .header .nav { display: flex; justify-content: space-between; } .header .nav li a { padding: 0 40px; font-weight: 400; font-size: 16px; cursor: pointer; width: 64px; text-align: center; } .header .nav li a:hover { color: #fff; } .active { color: #fff !important; } .header .nav li a { color: rgba(255, 255, 255, 0.5); } .foot { display: flex; flex-direction: column; align-items: center; background: #121821; padding: 30px 0; font-weight: 400; font-size: 13px; color: #71747A; border-bottom: 1px solid #2b374a; } .foot a { color: #71747A; } .foot2 { padding: 20px 0; }