html { -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; font-size: 40px; background: #fff; }
body { min-width: 320px; max-width: 640px; margin: 0 auto; font-family: arial, Microsoft Yahei; color: #333; background: #fff; }
a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video { margin: 0px;padding: 0px ; }
ul, li { list-style: none ; }
a:active, a:hover { outline: none; }
img {  vertical-align: top; width: 100%; }
a { outline: none; text-decoration: none; cursor: pointer; color: #333; }
a:hover { text-decoration: none; outline: none; }
button, html input[type="button"], input[type="reset"], input[type="submit"] { -webkit-appearance: button; cursor: pointer; }
input[type="search"] { -webkit-appearance: text field; box-sizing: content-box; }
input[type="search"]:-webkit-search-cancel-button, input[type="search"]:-webkit-search-decoration { -webkit-appearance: none; }
button { overflow: visible; }
button, select { text-transform: none; }
.flex { display: flex; flex-direction: row; flex-wrap: wrap; justify-content: space-between; }

.title { font-size: 0.8rem; text-align: center; line-height: 1.6rem; }
.ban_form .form_line { width: 15rem; margin: 0 auto 0.5rem; }
.ban_form .form_line span { width: 2rem; font-size: 0.5rem; line-height: 1.2rem; }
.ban_form .form_line input, .ban_form .form_line select { width:
 12.8rem; height: 1.2rem; outline: none; font-size: 0.5rem; box-sizing: border-box; padding-left: 0.5rem; }
.ban_form .form_btn { width: 15rem; height: 1.6rem; background: #e80000; color: #fff; font-size: 0.55rem; border-radius: 0.8rem; border: none; display: block; margin: 0 auto 0.5rem; }

.cg_js { width: 15rem; margin: 0 auto; }
.cg_js h2 { font-size: 0.6rem; margin-bottom: 0.35rem; }
.cg_js p { font-size: 0.5rem; line-height: 0.8rem; }

.bmyh img { display: block; width: 15rem; margin: 0 auto 0.5rem; }
.bmyh .swtzh { display: block; width: 8.8rem; font-size: 0.5rem; padding: 0.5rem 0.75rem; margin: 0 auto 0.5rem; text-align: center; background: #E80000; color: #fff; border-radius: 0.3rem; }

.cg_wt ul { width: 15rem; margin: 0 auto; }
.cg_wt li { width: 7.2rem; height: 1.4rem; border: 1px solid #666; border-radius: 0.5rem; font-size: 0.5rem; text-align: center; line-height: 1.4rem;  margin-bottom: 0.5rem; }

.byy_prb_list { display: flex; justify-content: space-between; flex-wrap: wrap; padding: 0.5rem 0 0; width: 95%; margin: 0 auto; }
.byy_prb_list img { width: 100%; margin-bottom: .4rem; }
.byy_prb_list li:nth-child(1) { width: 7.375rem; }
.byy_prb_list li:nth-child(2) { width: 7.625rem; }