.content{width: 1300px;min-height: 800px;margin: 140px auto 0 auto}.nav{border-bottom: 1px solid #ccc;padding-bottom: 20px;width: 1300px;margin: 175px auto 0 auto;display: flex;justify-content: space-between}.news{font-size: 25px;font-weight: bold}.title{font-size: 25px;margin-top: 20px;height: 90px;width: 100%;text-align: center}.zuozhe{width: 100%;height: 60px;font-size: 19px;text-align: center;margin: auto}.contetnt-item{min-height: 700px}a:hover{color: #0052a8}.next{margin-bottom: 20px;width: 50%;line-height: 30px;height: 70px;background-color: #f1f1f1;padding: 20px}.next a{display: inline-block}