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<html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>* {margin: 0;padding: 0;}.box {width: 800px;height: 853px;background-color: #ccc;margin: 0 auto;}.nav {display: flex;justify-content: space-around;width: 98%;height: 40px;background-color: #006600;line-height: 40px;text-align: center;}.nav li {float: left;height: 35px;list-style: none;background-color: #006600;color: #fff;font-family: "楷体";font-size: 18px;font-weight: 200;box-shadow: 2px 2px 1px rgb(0, 0, 0);}section {display: flex;justify-content: space-around;width: 97.8%;height: 63%;border: 2px solid #666;border-left: none;text-align: center;font-size: 14px;flex-wrap: wrap;padding-top: 10px;}section div:nth-child(4) img {height: 160px;}.top {margin-top: -76px;}</style>">