.mian_boby { padding: 0 20px; }

.item_box .item_title { text-align: center; font-size: 22px; color: #00a4ff; font-weight: bold; }

.item_box .item_bei { text-align: center; color: #999; font-size: 12px; margin-top: 10px; }

.item_box .item_bei .bei_mar { margin: 0 30px; }

.item_box .item_info { margin-top: 30px; }

.item_box .item_info p { margin-top: 15px; }

.direction { margin: 40px 0; display: flow-root; }

.direction .direction_li { float: left; text-align: center; border-radius: 5px; line-height: 30px; }

.direction .direction_go { width: 43%; border: 1px solid #ccc; color: #999; }

.direction .direction_return { width: 10%; margin: 0 2%; background: #00a4ff; color: #fff; }

@media (max-width: 760px) { .mian_boby { padding: 0; }
  .item_box .item_title { font-size: 18px; }
  .item_box .item_bei .bei_mar { margin: 0 10px; }
  .direction .direction_go { width: 100%; margin-bottom: 10px; }
  .direction .direction_return { display: none; width: 20%; -webkit-transform: translateY(50%); -ms-transform: translateY(50%); transform: translateY(50%); margin: 0 0 0 5%; } }