.left {  font-family: "宋体"; font-size: 14px; line-height: 23px}  .songti {  font-family: "宋体"; font-size: 14px; line-height: 20px}  .biaoti {  font-family: "方正黑体简体"; font-size: 18px; color: #990000}  .xiozi {  font-size: 13px; line-height: 17px}  .zhengwen {  font-family: "宋体"; font-size: 14px; line-height: 24px}  .leftbt {  line-height: 25px; font-size: 14px}  .down {  font-size: 10px}