@charset "utf-8";

#web { width: 640px; max-width: 100%; margin: 0px auto; height: auto; overflow: hidden; font-family: 黑体; background: white; }

p { font-size: 13pt; line-height: 25px; }

img { max-width: 96%; margin: 0px auto; }

._nav { width: 100%; height: 40px; border-bottom: 2px solid rgb(0, 0, 0); }

._nav ul { list-style: none; }

._nav ul li { float: left; width: 25%; text-align: center; font-size: 14px; line-height: 40px; }

._nav ul li a { display: block; color: rgb(255, 255, 255); }

._nav ul li a:hover { background: rgb(78, 133, 41); }

._top h1 { width: 100%; overflow: hidden; margin: 10px 0px; line-height: 50px; }

._top h1 span { display: block; width: 50%; font-size: 20px; float: left; text-align: center; color: rgb(102, 102, 102); }

._top h1 span:nth-child(2) { color: red; font-size: 18px; }