请老师帮我看下代码有没有需要改的

请老师帮我看下代码有没有需要改的

要麻烦老师花点时间看下,看看做到这个阶段代码有什么地方不够的。谢谢了。(鞠躬)

<!DOCTYPE html>
<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>
    <link rel="stylesheet" href="css/css.css">
    <link rel="stylesheet" href="css/reset.css">
    <link rel="stylesheet" href="css/base.css">
</head>

<body>
    <header class="site-head">
        <!-- 顶部黑色导航 -->
        <div class="topbar">
            <div class="center-wrap">
                <nav class="shortcut-links">
                    <ul>
                        <li> <a href="">目的地</a> </li>
                        <li> <a href="">锦囊</a> </li>
                        <li class="have-menu"> <a href="">社区</a>
                            <p class="arrow">
                                <span class="arrow-box1"></span>
                            </p>
                            <div class="commlist">
                                <ul>
                                    <li><a href="#">旅行论坛</a></li>
                                    <li><a href="#">旅行专栏</a></li>
                                    <li><a href="#">旅行问答</a></li>
                                    <li><a href="#">旅行生活分享平台</a></li>
                                    <li><a href="#">JNE旅行生活美学</a></li>
                                    <li><a href="#">Biu伴(原结伴同游)</a></li>
                                    <li><a href="#">负责任的旅行</a></li>
                                    <li><a href="#">特别策划</a></li>
                                </ul>
                            </div>
                        </li>
                        <li> <a href="">行程助手</a> </li>
                        <li class="have-menu"> <a href="">商城 </a>
                            <p class="arrow">
                                <span class="arrow-box1"></span>
                            </p>
                            <div class="commlist shopping">
                                <ul>
                                    <li><a href="#">机酒自由行</a></li>
                                    <li><a href="#">当地玩乐</a></li>
                                    <li><a href="#">签证</a></li>
                                    <li><a href="#">保险</a></li>
                                    <li><a href="#">租车自驾</a></li>
                                    <li><a href="#">邮轮</a></li>
                                    <li><a href="#">河轮</a></li>
                                    <li><a href="#">私人订制</a></li>
                                    <li><a href="#">欧洲铁路</a></li>

                                </ul>
                            </div>
                        </li>
                        <li class="have-menu"> <a href="">酒店·民宿</a>
                            <p class="arrow">
                                <span class="arrow-box1"></span>
                            </p>
                            <div class="commlist public">
                                <ul>
                                    <li><a href="#">酒店</a></li>
                                    <li><a href="#">爱彼迎</a></li>
                                    <li><a href="#">华人旅馆</a></li>
                                </ul>
                            </div>
                        </li>
                        <li> <a href="">特价酒店</a> </li>
                    </ul>
                </nav>
                <nav class="topbar-right iconfont">
                    <a href="#">&#xe6dd;</a>
                    <span>|</span>
                    <a href="#">&#xe882;</a>
                    <a href="#">&#xe618;</a>
                    <a href="#">&#xe605;</a>
                    <a href="#">登录</a>
                    <a href="#">注册</a>
                </nav>
            </div>
        </div>
        <!-- 顶部绿色导航 -->
        <nav class="main-nav ">
            <div class="main-nav-box center-wrap">
                <ul>
                    <li class="main-downicon"><a href="#">机酒自由行</a>
                        <p class="main-downicon-arrow">
                            <span class="main-downicon-arrowbox2"></span>
                        </p>
                        <div class="main-downicon-list jijiu">
                            <dl>
                                <dt> <a href="#">全部</a> </dt>
                                <dd>
                                    <a href="#">自由行</a>
                                    <a href="#">优惠机票</a>
                                    <a href="#">酒店</a>
                                    <a href="#">邮轮</a>
                                    <a href="#">定制游</a>
                                    <a href="#">马尔代夫</a>
                                    <a href="#">海岛游</a>
                                </dd>
                            </dl>
                        </div>
                    </li>
                    <li><a href="#">优惠机票</a></li>
                    <li class="main-downicon"><a href="#">跟团游</a>
                        <p class="main-downicon-arrow">
                            <span class="main-downicon-arrowbox2"></span>
                        </p>
                        <div class="main-downicon-list gengtuan">
                            <dl>
                                <dt> <a href="#">全部</a> </dt>
                                <dd>
                                    <a href="#">跟团游</a>
                                    <a href="#">半自助游</a>
                                </dd>
                            </dl>
                        </div>
                    </li>
                    <li><a href="#">酒店</a></li>
                    <li class="main-downicon"><a href="#">当地玩乐</a>
                        <p class="main-downicon-arrow">
                            <span class="main-downicon-arrowbox2"></span>
                        </p>
                        <div class="main-downicon-list dangdiwanle">
                            <dl>
                                <dt> <a href="#">全部</a> </dt>
                                <dd><a href="#">日游小团</a>
                                    <a href="#">深度体验</a>
                                    <a href="#">门票票券 </a>
                                    <a href="#">餐饮美食</a>
                                    <a href="#">WIFI电话卡</a>
                                    <a href="#">购物</a>
                                    <a href="#">交通票券</a>
                                </dd>
                            </dl>
                        </div>
                    </li>
                    <li><a href="#">签证</a></li>
                    <li><a href="#">游轮</a></li>
                    <li><a href="#">河轮</a></li>
                    <li><a href="#">保险</a></li>
                    <li><a href="#">租车自驾</a></li>
                    <li class="main-downicon"><a href="#">深度旅游</a>
                        <p class="main-downicon-arrow">
                            <span class="main-downicon-arrowbox2"></span>
                        </p>
                        <div class="main-downicon-list sdulvyou">
                            <dl>
                                <dt> <a href="#">全部</a> </dt>
                                <dd><a href="#">CityWalk</a>
                                    <a href="#">特色长线</a>
                                    <a href="#">Q-Home</a>
                                </dd>
                            </dl>
                        </div>
                    </li>
                    <li><a href="#">私人定制</a></li>
                </ul>
            </div>
        </nav>
        <div class="logo-nav">
            <div class="logo-nav-box center-wrap">
                <h1 class="logo">慕云游商城</h1>
                <div class="input-box">
                    <input type="text" placeholder="旅游/酒店/民宿">
                    <a class="iconfont" href="#">&#xe662;</a>
                </div>
            </div>
        </div>
    </header>
    <!-- banner轮播图 -->
    <section class="bannerbox">
        <img class="bigbanner" src="images/轮播banner2@2x.jpg" alt="">
        <div class="center-wrap bannercenter">
            <a href="#" class="banner-left-icon"></a>
            <a href="#" class="banner-right-icon"></a>
            <div class="banner-rightlist">
                <ul>
                    <li class="block">
                        <dl>
                            <dt>热门出发地</dt>
                            <dd>
                                <span> 北京</span>
                                <span> 上海</span>
                                <span> 广深</span>
                                <span> 西南</span>
                                <span> 国内其他</span>
                            </dd>
                        </dl>
                        <div class=" banner-icon"></div>
                        <div class=" banner-icon right-icon"></div>
                    </li>
                    <li>
                        <dl>
                            <dt>港澳台 国内</dt>
                            <dd>
                                <span> 香港</span>
                                <span> 澳门</span>
                                <span> 台湾</span>
                                <span> 国内其他</span>
                            </dd>
                        </dl>
                        <div class=" banner-icon"></div>
                    </li>
                    <li>
                        <dl>
                            <dt>日本 韩国</dt>
                            <dd>
                                <span> 东京</span>
                                <span> 大版</span>
                                <span> 冲绳</span>
                                <span> 北海道</span>
                                <span> 福冈</span>
                            </dd>
                        </dl>
                        <div class=" banner-icon"></div>
                    </li>
                    <li>
                        <dl>
                            <dt>东南亚 南亚</dt>
                            <dd>
                                <span> 泰国</span>
                                <span> 新加坡</span>
                                <span> 马来西亚</span>
                                <span> 马尔代夫</span>
                            </dd>
                        </dl>
                        <div class=" banner-icon"></div>
                    </li>
                    <li>
                        <dl>
                            <dt>欧洲 美洲</dt>
                            <dd>
                                <span> 英国</span>
                                <span> 法国</span>
                                <span> 美国</span>
                                <span> 加拿大</span>
                            </dd>
                        </dl>
                        <div class=" banner-icon"></div>
                    </li>
                    <li>
                        <dl>
                            <dt>澳新 中东非</dt>
                            <dd>
                                <span> 澳大利亚</span>
                                <span> 新西兰</span>
                                <span> 迪拜</span>
                            </dd>
                        </dl>
                        <div class=" banner-icon"></div>
                    </li>
                </ul>
            </div>
            <div class="banner-hiddenlist">
                <dl>
                    <dt>港澳台</dt>
                    <dd>
                        <a href="#">香港</a>
                        <a href="#">澳门</a>
                        <a href="#">台北</a>
                        <a href="#">高雄</a>
                        <a href="#">香港迪士尼</a>
                        <a href="#">香港海洋公园</a>
                        <a href="#">交通接驳</a>
                        <a href="#">澳门塔</a>
                        <a href="#">新濠天地水舞间</a>
                        <a href="#">澳门豪华自助</a>
                        <a href="#">台北101</a>
                        <a href="#">台湾美食</a>
                    </dd>
                </dl>
                <dl>
                    <dt>国内热门城市</dt>
                    <dd>
                        <a href="#">三亚</a>
                        <a href="#">东北雪乡</a>
                        <a href="#">大理</a>
                        <a href="#">丽江</a>
                        <a href="#">昆明</a>
                        <a href="#">西双版纳</a>
                        <a href="#">拉萨</a>
                        <a href="#">成都</a>
                        <a href="#">重庆</a>
                        <a href="#">长白山</a>
                        <a href="#">厦门</a>
                        <a href="#">长沙</a>
                        <a href="#">桂林</a>
                        <a href="#">北京</a>
                        <a href="#">西安</a>
                        <a href="#">敦煌</a>
                        <a href="#">杭州</a>
                        <a href="#">上海</a>
                        <a href="#">无锡</a>
                        <a href="#">南京</a>
                        <a href="#">广州</a>
                        <a href="#">黄山</a>
                        <a href="#">莫干山</a>
                        <a href="#">新疆</a>
                        <a href="#">北海</a>
                        <a href="#">九华山</a>
                        <a href="#">太原</a>
                        <a href="#">张家口</a>
                    </dd>
                </dl>
                <dl>
                    <dt>国内热门景点</dt>
                    <dd>
                        <a href="#">北京故宫</a>
                        <a href="#">东北滑雪</a>
                        <a href="#">恭王府</a>
                        <a href="#">长城</a>
                        <a href="#">青城山大熊猫基地</a>
                        <a href="#">峨眉山</a>
                        <a href="#">都江堰</a>
                        <a href="#">长恨歌表演</a>
                        <a href="#">兵马俑</a>
                        <a href="#">大唐芙蓉园</a>
                        <a href="#">三亚日游</a>
                        <a href="#">厦门鼓浪屿</a>
                        <a href="#">千岛湖</a>
                        <a href="#">呼伦贝尔草原</a>
                        <a href="#">希拉穆仁草原</a>
                        <a href="#">大理日游</a>
                        <a href="#">杭州</a>
                        <a href="#">重庆两江夜游船票</a>
                    </dd>
                </dl>
            </div>

            <div class="banner-hiddenlist">
                <dl>
                    <dt>港澳台</dt>
                    <dd>
                        <a href="#">香港</a>
                        <a href="#">澳门</a>
                        <a href="#">台北</a>
                        <a href="#">高雄</a>
                        <a href="#">香港迪士尼</a>
                        <a href="#">香港海洋公园</a>
                        <a href="#">交通接驳</a>
                        <a href="#">澳门塔</a>
                        <a href="#">新濠天地水舞间</a>
                        <a href="#">澳门豪华自助</a>
                        <a href="#">台北101</a>
                        <a href="#">台湾美食</a>
                    </dd>
                </dl>
            </div>

            <div class="banner-hiddenlist">
                <dl>
                    <dt>日本</dt>
                    <dd>
                        <a href="#">东京</a>
                        <a href="#">大阪</a>
                        <a href="#">冲绳</a>
                        <a href="#">北海道</a>
                        <a href="#">札幌</a>
                        <a href="#">京都</a>
                        <a href="#">名古屋</a>
                        <a href="#">福冈</a>
                        <a href="#">长崎</a>
                        <a href="#">鹿儿岛</a>
                        <a href="#">JR Pass</a>
                        <a href="#">米其林餐厅</a>
                        <a href="#">东京迪士尼</a>
                        <a href="#">大阪环球影城</a>
                        <a href="#">冲绳一日游</a>
                        <a href="#">City Walk</a>
                        <a href="#">西瓜卡</a>
                        <a href="#">京都日游</a>
                        <a href="#">和服体验</a>
                        <a href="#">包车服务</a>
                        <a href="#">富士山日游</a>
                    </dd>
                </dl>
            </div>

            <div class="banner-hiddenlist">
                <dl>
                    <dt>泰新马</dt>
                    <dd>
                        <a href="#">普吉岛</a>
                        <a href="#">清迈</a>
                        <a href="#">曼谷</a>
                        <a href="#">苏梅岛</a>
                        <a href="#">甲米</a>
                        <a href="#">芭堤雅</a>
                        <a href="#">拜县</a>
                        <a href="#">新加坡</a>
                        <a href="#">马来西亚</a>
                        <a href="#">沙巴</a>
                        <a href="#">吉隆坡</a>
                        <a href="#">皇帝岛</a>
                        <a href="#">泰国人妖</a>
                        <a href="#">泰国丛林飞跃</a>
                        <a href="#">泰国spa按摩</a>
                        <a href="#">清迈夜间动物园</a>
                        <a href="#">泰拳表演清莱一日游</a>
                        <a href="#">新加坡环球影城</a>
                        <a href="#">新加坡日游</a>
                        <a href="#">新加坡滨海湾花园</a>
                        <a href="#">沙巴美人鱼岛</a>
                        <a href="#">沙巴红树林萤火虫</a>
                    </dd>
                </dl>
                <dl>
                    <dt>东南亚</dt>
                    <dd>
                        <a href="#">巴厘岛</a>
                        <a href="#">长滩岛</a>
                        <a href="#">马尼拉</a>
                        <a href="#">薄荷岛</a>
                        <a href="#">美娜多芽庄</a>
                        <a href="#">岘港</a>
                        <a href="#">富国岛</a>
                        <a href="#">柬埔寨</a>
                        <a href="#">缅甸</a>
                        <a href="#">老挝</a>
                        <a href="#">文莱</a>
                        <a href="#">蓝梦岛</a>
                        <a href="#">巴厘岛SPA</a>
                        <a href="#">网红漂浮下午茶</a>
                        <a href="#">珍珠岛游乐园</a>
                        <a href="#">富国岛浮潜海钓</a>
                        <a href="#">吴哥窟</a>
                        <a href="#">西哈努克</a>
                    </dd>
                </dl>
                <dl>
                    <dt>南亚 西亚</dt>
                    <dd>
                        <a href="#">马尔代夫</a>
                        <a href="#">斯里兰卡</a>
                        <a href="#">印度</a>
                        <a href="#">尼泊尔</a>
                        <a href="#">格鲁吉亚阿塞拜疆</a>
                        <a href="#">亚美尼亚</a>
                    </dd>
                </dl>
            </div>

            <div class="banner-hiddenlist">
                <dl>
                    <dt>欧洲</dt>
                    <dd>
                        <a href="#">法国</a>
                        <a href="#">意大利</a>
                        <a href="#">土耳其</a>
                        <a href="#">俄罗斯</a>
                        <a href="#">西班牙</a>
                        <a href="#">瑞士</a>
                        <a href="#">英国</a>
                        <a href="#">希腊</a>
                        <a href="#">荷兰</a>
                        <a href="#">德国</a>
                        <a href="#">捷克</a>
                        <a href="#">葡萄牙</a>
                        <a href="#">奥地利</a>
                        <a href="#">瑞典</a>
                        <a href="#">丹麦</a>
                        <a href="#">挪威</a>
                        <a href="#">冰岛</a>
                        <a href="#">芬兰</a>
                        <a href="#">罗瓦涅米</a>
                        <a href="#">奥斯陆</a>
                        <a href="#">雷克雅未克</a>
                        <a href="#">因特拉肯</a>
                        <a href="#">巴塞罗那</a>
                        <a href="#">伦敦</a>
                        <a href="#">巴黎</a>
                        <a href="#">塞纳河</a>
                        <a href="#">慕尼黑</a>
                        <a href="#">普罗旺斯</a>
                        <a href="#">温莎日游</a>
                        <a href="#">巴黎迪斯尼</a>
                        <a href="#">伊斯坦布</a>
                        <a href="#">尔阿尔罕布拉宫</a>
                        <a href="#">唐顿庄园</a>
                        <a href="#">埃菲尔铁塔</a>
                        <a href="#">凡尔赛宫</a>
                        <a href="#">北欧破冰船</a>
                        <a href="#">极光之旅</a>
                        <a href="#">英国天空岛</a>
                    </dd>
                </dl>
                <dl>
                    <dt>美洲</dt>
                    <dd>
                        <a href="#">美国</a>
                        <a href="#">加拿大</a>
                        <a href="#">墨西哥</a>
                        <a href="#">巴西</a>
                        <a href="#">阿根廷</a>
                        <a href="#">智利</a>
                        <a href="#">秘鲁</a>
                        <a href="#">玻利维亚</a>
                        <a href="#">洛杉矶</a>
                        <a href="#">纽约</a>
                        <a href="#">拉斯维加斯</a>
                        <a href="#">旧金山</a>
                        <a href="#">圣地亚哥芝加哥</a>
                        <a href="#">西雅图</a>
                        <a href="#">华盛顿</a>
                        <a href="#">奥兰多</a>
                        <a href="#">夏威夷</a>
                        <a href="#">塞班岛</a>
                        <a href="#">关岛</a>
                        <a href="#">环球影城</a>
                        <a href="#">迪士尼</a>
                        <a href="#">演出票</a>
                        <a href="#">尼亚加拉大瀑布</a>
                        <a href="#">帝国大厦</a>
                        <a href="#">奥特莱斯</a>
                        <a href="#">黄石国家公园</a>
                        <a href="#">纽约大都会博物馆</a>
                        <a href="#">美国大峡谷西峡</a>
                        <a href="#">拉斯维加斯摩天轮</a>
                        <a href="#">羚羊峡谷+马蹄湾</a>
                    </dd>
                </dl>


            </div>

            <div class="banner-hiddenlist">
                <dl>
                    <dt>澳新 南太平洋</dt>
                    <dd>
                        <a href="#">墨尔本</a>
                        <a href="#">悉尼</a>
                        <a href="#">黄金海岸</a>
                        <a href="#">凯恩斯</a>
                        <a href="#">布里斯班奥克兰</a>
                        <a href="#">斐济</a>
                        <a href="#">珀斯</a>
                        <a href="#">圣灵群岛</a>
                        <a href="#">大堡礁</a>
                        <a href="#">墨尔本之星</a>
                        <a href="#">悉尼热气球</a>
                        <a href="#">水上飞机</a>
                        <a href="#">海港大桥</a>
                        <a href="#">皇后镇霍比特人村</a>
                        <a href="#">怀托莫萤火虫洞</a>
                        <a href="#">米尔福德峡湾</a>
                        <a href="#">新西兰滑雪</a>
                        <a href="#">瓦纳卡</a>
                    </dd>
                </dl>
                <dl>
                    <dt>中东非</dt>
                    <dd>
                        <a href="#">迪拜</a>
                        <a href="#">摩洛哥</a>
                        <a href="#">毛里求斯</a>
                        <a href="#">埃及</a>
                        <a href="#">塞舌尔</a>
                        <a href="#">马达加斯加</a>
                        <a href="#">以色列</a>
                        <a href="#">肯尼亚</a>
                        <a href="#">南非</a>
                        <a href="#">伊朗 约旦</a>
                        <a href="#">突尼斯 迪拜</a>
                        <a href="#">塔法拉利主题公园</a>
                        <a href="#">迪拜七星帆船酒店用餐</a>
                        <a href="#">夜游迪拜河</a>
                        <a href="#">亚特兰蒂斯水上乐园</a>
                        <a href="#">动物大迁徙</a>
                        <a href="#">撒哈拉沙漠</a>
                        <a href="#">金字塔</a>
                        <a href="#">纳米比亚</a>
                    </dd>
                </dl>
            </div>
        </div>
    </section>
    <!-- 热门广告 -->
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                    <h2>新鲜甩尾</h2><span>每日不可不看的好货</span>
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                        <div class="xxsw-font">[甩尾狂欢] 北京/天津直飞日本东京/大阪/冲绳/札幌/福冈4-7天往返含…</div>
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                        <div class="xxsw-font">[拒签全退][全国25城联运] 北京往返格鲁吉亚+阿塞拜疆7-30天自由行…</div>
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                    <a href="#">
                        <div class="xxsw-img"><img src="images/新鲜甩尾配图04.png" alt=""></div>
                        <div class="xxsw-font">[樱花季] 北京直飞东京/大阪/名古屋/冲绳/札幌/福冈/仙台2-30天往返</div>
                    </a>
                </li>
                <li>
                    <a href="#">
                        <div class="xxsw-img"><img src="images/新鲜甩尾配图05.png" alt=""></div>
                        <div class="xxsw-font">[品质小团/快速确认] 新西兰福克斯冰川直升机观光+冰川徒步(提供…</div>
                    </a>
                </li>
                <li>
                    <a href="#">
                        <div class="xxsw-img"><img src="images/新鲜甩尾配图06.png" alt=""></div>
                        <div class="xxsw-font">[北欧破冰船] 芬兰+瑞典极地探险号破冰船活动+冰上漂浮+瑞典小…</div>
                    </a>
                </li>
                <li>
                    <a href="#">
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                        <div class="xxsw-font">[指定班期特惠][全程中文伴游] 摩洛哥全景深度10日游(卡萨进出…</div>
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                        <div class="xxsw-font">马来西亚天空之镜+河口赏鹰+夜游萤火虫+寻找蓝眼泪(马来西亚瓜拉雪…</div>
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                </li>
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    <!-- jjzyx -->
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            <div class="jjzyx-titlebox">
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                    <h2>机酒自由行</h2>
                    <span>挑选全球机票、酒店、邮轮等旅行产品</span>
                </div>
                <div class="jjzyx-nav">
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                        <li><a href="#">近期好货</a></li>
                        <li><a href="#">新品汇聚</a></li>
                        <li><a href="#">定制游</a></li>
                        <li><a href="#">国内推荐</a></li>
                        <li><a href="#">优惠机票</a></li>
                        <li><a href="#">热门海岛</a></li>
                        <li><a href="#">热卖签证</a></li>
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                                <div class="jjzyx-tag jjzyx-first-tag">机票</div>
                            </div>
                            <div class="jjzyx-img-font">
                                [樱花季]天津直飞东京/大阪/名古屋/冲绳/札幌2-30天往返<br>含税机票【甩尾/多团期
                            </div>
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                                <div class="jjzyx-tag">跟团游</div>
                            </div>
                            <div>
                                北京/上海/南京/杭州直飞巴厘岛5-7天往返含税机票(赠送旅游意外险…
                            </div>
                        </a>
                    </li>
                    <li>
                        <a href="#">
                            <div class="jjzyximg"><img src="images/机酒配图03.png" alt="">
                                <div class="jjzyx-tag">机票</div>
                            </div>
                            <div>
                                北京/天津直飞日本东京/大阪/东阪/福冈/名古屋冲绳/北海道4-7天往返…
                            </div>
                        </a>
                    </li>
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                            <div class="jjzyximg"><img src="images/机酒配图04.png" alt="">
                                <div class="jjzyx-tag">机票</div>
                            </div>
                            <div>
                                [樱花季] 北京/天津直飞东京/大阪/名古屋/福冈/广岛/北海道/冲绳往返…
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                                杭州/上海/宁波/义乌直飞越南芽庄/岘港4-6天往返含税机票(20KG行…
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                                [赠自由行礼包] 上海/杭州/南京/合肥/宁波/徐州直飞日本东京/大阪…
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                        <p><a href="#">查看更多<br>机酒自由行产品</a></p>
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                            <li><a href="#">机票</li></a>
                            <li><a href="#">酒店</li></a>
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                            <li><a href="#">邮轮</li></a>
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</body>

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}
.site-head .main-nav .main-nav-box>ul>li:hover::before{
    transform: rotate(180deg);
} */
/* logo部分 */
.site-head .logo-nav .logo-nav-box{
    height: 78px;
}
.site-head .logo-nav .logo-nav-box>.logo,.input-box{
    float: left;
}
.site-head .logo-nav .logo-nav-box>.logo{
    margin-right: 20px;
    font-size: 24px;
    color:#20BD9A;
    line-height: 78px;
    font-weight: bold;
}
.site-head .logo-nav .logo-nav-box>.input-box{
    width: 405px;
    line-height: 78px;
    position: relative;
   
}
.site-head .logo-nav .logo-nav-box>.input-box>input{
    width: 405px;
    border: 1px solid #20BD9A;
    border-radius:4px;
    outline: none;
    text-indent: .5em;
}
.site-head .logo-nav .logo-nav-box>.input-box>a{
    width: 32px;
    height: 24px;
    position: absolute;
    top:50%;
    margin-top:-13px;
    right:-2px;
    border-radius: 0px  4px 4px 0px;
    background-color: #20BD9A;
    text-align: center;
    line-height: 24px;
    color:#fff;
}
/* .site-head .logo-nav .logo-nav-box>.input-box>a::before{
    content: '';
    width: 32px;
    height: 24px;
    position: absolute;
    top:50%;
    margin-top:-13px;
    right:-2px;
    border-radius: 0px  4px 4px 0px;
    color: #fff;
    background: url(../images/放大镜.png) no-repeat  #20BD9A center center;
} */

/* banner 轮播图 */
.bannerbox{
    position: relative;
}
.bannerbox .bigbanner{
    width: 100%;
    min-width: 1152px;
    vertical-align: middle;
}
.bannerbox .bannercenter{
    width: 1152px;
    height: 100%;
    position: absolute;
    left:50%;
    margin-left:-576px;
    top:0;
}
.bannerbox .banner-left-icon,.banner-right-icon{
    width: 32px;
    height: 44px;
    position: absolute;
    top:50%;
    margin-top:-22px;
}
.bannerbox .banner-left-icon{
   left:-42px;
   background: url(../images/icons.png) no-repeat -17px -94px;
}
.bannerbox .banner-right-icon{
    right:-42px;
    background: url(../images/icons.png) no-repeat -17px -29px;
}
.bannerbox .banner-left-icon:hover,.bannerbox .banner-right-icon:hover{
    opacity: .8;
}
.bannerbox .bannercenter .banner-rightlist{
    height: 100%;
}
.bannerbox .bannercenter .banner-rightlist>ul{
    height: 100%;
}
.bannerbox .bannercenter .banner-rightlist>ul>li{
    width: 260px;
    height: 16.66%;
    background-color: rgba(0, 0, 0, .5);
    border-bottom:1px solid rgba(255, 255, 255, 0);
    padding-left:36px;
    position: relative;
    box-sizing:border-box;
}
.bannerbox .bannercenter .banner-rightlist>ul>li::before{
    content: '';
    width: 24px;
    height: 24px;
    position: absolute;
    right:0;
    top:50%;
    margin-top:-12px;
    background: url(../images/顶部下拉图标01@2x.png) no-repeat center center;
    transform: rotate(-90deg);
}
.bannerbox .bannercenter .banner-rightlist>ul>li>.banner-icon{
    width: 24px;
    height: 24px;
    position: absolute;
    left:8px;
    top:50%;
    margin-top:-12px;
    background: url(../images/icons.png) no-repeat -29px -399px;
}
.bannerbox .bannercenter .banner-rightlist>ul>li:nth-child(2) .banner-icon{
    background: url(../images/icons.png) no-repeat -29px -216px;
}
.bannerbox .bannercenter .banner-rightlist>ul>li:nth-child(3) .banner-icon{
    background: url(../images/icons.png) no-repeat -29px -170px;
}.bannerbox .bannercenter .banner-rightlist>ul>li:nth-child(4) .banner-icon{
    background: url(../images/icons.png) no-repeat -29px -260px;
}.bannerbox .bannercenter .banner-rightlist>ul>li:nth-child(5) .banner-icon{
    background: url(../images/icons.png) no-repeat -29px -345px;
}.bannerbox .bannercenter .banner-rightlist>ul>li:nth-child(6) .banner-icon{
    background: url(../images/icons.png) no-repeat -29px -302px;
}
.bannerbox .bannercenter .banner-rightlist>ul>li>dl{
    position: absolute;
    height: 48px;
    top:50%;
    margin-top:-24px;
}
.bannerbox .bannercenter .banner-rightlist>ul>li>dl>dt{
    font-size: 18px;
    color: #fff;
}
.bannerbox .bannercenter .banner-rightlist>ul>li>dl>dd{
    font-size: 14px;
    color: #fff;
    margin-right: 6px;
}
.bannerbox .bannercenter .banner-hiddenlist{
    width: 324px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    position: absolute;
    top:0px;
    left:260px;
    padding:16px;
    box-sizing: border-box;
    /* display: none; */
}
.bannerbox .bannercenter .banner-hiddenlist>dl{
    margin-bottom:11px;
}
.bannerbox .bannercenter .banner-hiddenlist>dl>dt{
    font-size: 16px;
    color: #fff;
    line-height: 24px;
   
}
.bannerbox .bannercenter .banner-hiddenlist>dl>dd>a{
    font-size: 13px;
    color: #fff;
    line-height: 22px;
}
.bannerbox .bannercenter .banner-rightlist>ul>li:hover{
    background-color: rgba(0, 0, 0, 0.8);
}

/* 广告四个小图片 */
.hot-adv{
    height: 174px;
}
.hot-adv>ul>li{
    width: 264px;
    height: 110px;
    float: left;
    margin-right: 32px;
    margin-top:32px;
}
.hot-adv>ul>li:last-child{
    margin-right:0;
}
/* 新鲜甩尾 */
.xxsw{
    background-color: #F7F7F7;
    height: 738px;
}
.xxsw .xxswbox{
    height: 658px;
    padding:40px 0;
}
.xxsw .xxswbox .jjzyx-titlebox{
    height: 54px;
    position: relative;
}
.xxsw .xxswbox .jjzyx-titlebox .jjzyx-title{
    float: left;
}
.xxsw  .xxswbox h2{
    margin-right:12px;
    float: left;
}
.xxsw .xxswbox>ul>li{
    float: left;
    width: 264px;
    height: 270px;
    margin-right:32px;
    margin-top: 32px;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.10);
}
.xxsw .xxswbox>ul>li:hover{
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.50);
}
.xxsw .xxswbox>ul>li:nth-child(4),.xxsw .xxswbox>ul>li:nth-child(8){
    margin-right: 0;
}
.xxsw .xxswbox>ul>li>a>div.xxsw-font{
    font-size: 14px;
    color: #1C1F21;
    margin:20px 13px 22px 15px;
}

/* 机酒自由行 */
.jjzyx{
    height: 738px;  
}
.jjzyx .jjzyxbox{
    padding:40px 0;
    height: 658px;
}
.jjzyx .jjzyxbox .jjzyx-titlebox{
    height: 54px;
    position: relative;
}
.jjzyx .jjzyxbox .jjzyx-titlebox .jjzyx-title{
    float: left;
}
.jjzyx .jjzyxbox .jjzyx-titlebox .jjzyx-title>h2{
    margin-bottom: 32px;
    margin-right:12px;
    float: left;
}
.jjzyx .jjzyxbox .jjzyx-nav{
    float: right;
}
.jjzyx .jjzyxbox .jjzyx-nav>ul>li{
    float: left;
    margin-left: 16px;
}
.jjzyx .jjzyxbox .jjzyx-nav>ul>li>a{
   font-size: 14px;
   color:#000;
}
.jjzyx .jjzyxbox .jjzyx-nav>ul>li>a:hover{
    color:#20BD9A;
    border-bottom: 4px solid #20BD9A ;
 }
.jjzyx .jjzyxbox .jjzyx-imglist{
    height: 572px;
    float: left;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li{
    width: 264px;
    height: 270px;
    float: left;
    margin-right: 32px;
    margin-bottom: 32px;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.10);
    position: relative;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li:nth-child(3),.jjzyx .jjzyxbox .jjzyx-imglist>ul>li:nth-child(7){
    margin-right: 0px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li:first-child{
    width: 560px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li>a>.jjzyximg>.jjzyx-tag{
    width: 74px;
    height: 40px;
    position: absolute;
    left:0;
    bottom:86px;
    text-align: center;
    line-height: 40px;
    background-color: rgba(0,0,0,0.55);
    color:#fff;
    font-size: 14px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul:first-child>li>a>.jjzyximg>.jjzyx-first-tag{
    bottom:103px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li>a:first-child>.jjzyx-img-font{
    position: absolute;
    height: 43px;
    width: 508px;
    bottom:0;
    background-color: rgba(0,0,0,0.55);
    color:#fff;
    font-size: 14px;
    padding:30px 26px 30px 26px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li>a>div:nth-child(2){
    position: absolute;
    height: 44px;
    width: 236px;
    padding:20px 14px 22px 14px;
    color: #1C1F21;
    font-size: 14px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li:hover{
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.50);
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist{
    background-image: linear-gradient(180deg, #34E3BC 0%, #15AF7A 98%);
    padding-top:46px;
    box-sizing: border-box;
    position: relative;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>p{
    text-align: center;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>p>a{
    font-size: 14px;
    color: #fff;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>a>span{
    position: absolute;
    width: 48px;
    height: 48px;
    font-size: 48px;
    top: 50%;
    margin-top:-24px;
    left:50%;
    margin-left:-24px;
    color:#fff;
    transform:translateY(5px)
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>a>span:hover{
    animation:topdown .5s linear 0s infinite alternate-reverse;
}
@keyframes topdown{
    from{
        transform: translateY(-5px);
    }
    to{
        transform: translateY(5px);
    }
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>ul{
    position: absolute;
    top:202px;
    width: 236px;
    height: 22px;
    left:50%;
    margin-left:-95px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>ul>li{
    float: left;
    border-right: 1px solid #fff;
    padding:0 5px;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>ul>li>a{
    color:#fff;
}
.jjzyx .jjzyxbox .jjzyx-imglist>ul>li.morelist>ul>li:last-child{
    border-right: none;
}

我能否用<br>标签来分割需要换行的文字?

正在回答

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1回答

同学你好,代码有如下问题:

1、如下结构标签嵌套错误:

https://img1.sycdn.imooc.com//climg/6267a67009ccd4be08160221.jpg

修改如下:

https://img1.sycdn.imooc.com//climg/6267a6920952772408720209.jpg

2、如下结构划分不清晰:

https://img1.sycdn.imooc.com//climg/6267a6ac0953a40f08640783.jpg

它们分别属于“一级菜单”、“二级菜单”,因此建议区分一下:

https://img1.sycdn.imooc.com//climg/6267a74c09969bec08810684.jpg

此处文字换行,不建议使用br标签。因为实际开发中,这些内容都是动态变化的,无法做到每次改动内容都手动换行:

https://img1.sycdn.imooc.com//climg/6267a7b1095c9cb204340366.jpg

建议让其自动换行。

当前阶段重点要关注是否有语法错误、结构是否清晰、代码是否适当简化,同学这样就可以了。

祝学习愉快!

  • 慕仙7313728 提问者 #1

    你好老师,一级和二级这样改行不行?类名也改了一下,类名是不是不建议很长

    https://img1.sycdn.imooc.com//climg/6267af950943b0cd04890595.jpg

    这个部分鼠标移动到哪个li就显示哪个菜单是不是要到JS部分才会教??我想用CSS试下,没成功。把每个菜单都放到对应li高度又会有问题。超过字符了,只能截图了

    2022-04-26 16:39:13
  • 好帮手慕久久 回复 提问者 慕仙7313728 #2

    解答如下:

    1、这样改,也不是太好。

    2、类名太长容易写错、也会拖慢代码书写速度,但是会比短类名表达的意思更清晰,所以类名长度要适当。同学这个类名不算太长,不用调整。

    3、鼠标移入一级菜单显示二级菜单,可以用css实现。具体实现方式可参考如下习题:

    https://class.imooc.com/lesson/2117#mid=51757

    问答区有老师给的demo:

    https://img1.sycdn.imooc.com//climg/6267bc6409840b2705810159.jpg

    4、js和css是两种实现方式,它们的html结构会有区别,css方式同学可以参考上述习题。

    js方式,可以参考如下形式:

    https://img1.sycdn.imooc.com//climg/6267bdd909abdd7208150851.jpg

    暂时了解即可,后面会领着大家用js实现。

    2022-04-26 17:40:39
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