.ch {  font-family: "宋体"; font-size: 13px; color: #000000; text-decoration: none; list-style-type: square}

.ch2 {  font-family: "宋体"; font-size: 12px; color: #003366; text-decoration: none; white-space: normal; background-image:  url(image/i_pixles.gif)}

a:hover {  font-family: "宋体"; color: #000000; text-decoration: underline; font-weight: bold; background-color: #E7E7E7}

.ch3 {  font-family: "宋体"; font-size: 13px; font-weight: bold; color: #000066; text-decoration: none}

.ch4 {  font-family: "宋体"; font-size: 12px; font-weight: bold; color: #000000; text-decoration: underline}

.ch5 {  font-family: "宋体"; font-size: 12px; color: #000066; text-decoration: none}

.ch6 {  font-family: "宋体"; font-size: 12px; color: #FFFFFF; text-decoration: none}