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<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" >
< title > 帮助中心< / title >
< style >
body {
font-family : Arial , sans-serif ;
margin : 0 ;
padding : 0 ;
}
header {
background-color : #f5f5f5 ;
padding : 10 px ;
display : flex ;
justify-content : space-between ;
align-items : center ;
}
header a {
text-decoration : none ;
color : #333 ;
}
main {
padding : 20 px ;
}
. faq-category {
margin-bottom : 20 px ;
}
. faq-category h2 {
font-size : 18 px ;
margin-bottom : 10 px ;
}
. faq-question {
cursor : pointer ;
padding : 5 px 0 ;
border-bottom : 1 px dashed #ddd ;
}
. faq-answer {
display : none ;
padding : 10 px 0 ;
}
. contact-us {
margin-top : 20 px ;
font-size : 14 px ;
}
< / style >
< / head >
< body >
< header >
< a href = "#" > 返回首页< / a >
< input type = "text" placeholder = "搜索帮助中心" >
< / header >
< main >
< div class = "faq-category" >
< h2 > 点名操作< / h2 >
< div class = "faq-question" > 如何开始点名？< / div >
< div class = "faq-answer" > 点击点名页面上的“开始点名”按钮即可开始点名操作。< / div >
< div class = "faq-question" > 点名结果如何查看？< / div >
< div class = "faq-answer" > 点名结束后，系统会在页面上显示点名结果，您也可以在个人中心的点名历史中查看。< / div >
< / div >
< div class = "faq-category" >
< h2 > 账号问题< / h2 >
< div class = "faq-question" > 如何注册账号？< / div >
< div class = "faq-answer" > 在首页点击“注册”按钮，填写相关信息即可注册账号。< / div >
< div class = "faq-question" > 忘记密码怎么办？< / div >
< div class = "faq-answer" > 点击登录页面上的“忘记密码”链接，按照提示进行操作即可重置密码。< / div >
< / div >
< div class = "contact-us" >
< p > 如果您还有其他问题，请联系我们：< / p >
< p > 客服邮箱： < / p >
< / div >
< / main >
< script >
const faqQuestions = document . querySelectorAll ( '.faq-question' ) ;
faqQuestions . forEach ( question => {
question . addEventListener ( 'click' , ( ) => {
const answer = question . nextElementSibling ;
if ( answer . style . display === 'none' ) {
answer . style . display = 'block' ;
} else {
answer . style . display = 'none' ;
}
} ) ;
} ) ;
< / script >
< / body >
< / html >
