html, body, div, span, h1, h2, h3, h4, h5, h6, p, pre, a, address, big, cite, em, img, q, small, strong, sub, sup, b, i, dl, dt, dd, ol, ul, li, form, label, table, tbody, tfoot, thead, tr, th, td, footer, header, menu, nav, output, section, time, audio, video, button, input { font-size: 14px; margin: 0; padding: 0; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; border: none; line-height: 1; vertical-align: baseline; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif; color: #333; text-decoration: none; border: none; outline: medium;  }
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td { margin: 0; padding: 0; }
table { border-collapse: collapse; border-spacing: 0; }
fieldset, img { border: 0; vertical-align: top; }
address, caption, cite, code, dfn, em, strong, th, var { font-style: normal; font-weight: normal; }
ol, ul { list-style: none; }
caption, th { text-align: left; }
h1, h2, h3, h4, h5, h6 { font-size: 100%; font-weight: normal; }
q:before, q:after { content: ''; }
abbr, acronym { border: 0; }
pre { white-space: pre-wrap; word-wrap: break-word; }
.smf2 span { color: #fff; }

/*750适用*/
.smf3,.smf1,.smf2,footer,.index_top,.country_s,.country_l,.country_t  { height: 0.73rem!important;line-height: 0.73rem!important;  }
.country_s span { top: 28%!important;  }

html, body { width: 100%; height: 100%; font-size: .28rem; max-width: 750px; margin-left: auto; margin-right: auto; 
}
body>img { max-width: 7.5rem; }