*{ margin:?0; padding:?0; box-sizing:?border-box; font-family:?"微軟雅黑";}a{ text-decoration:?none;}body{ max-width:?1000px; font-size:?16px; margin:?0?auto;}.header{ width:?100%; height:?30vh; display:?flex; position:?relative; overflow:?hidden; &__a{ width:?100%; display:?block; transition:?all?.5s; } &__img{ width:?100vw; height:?100%; img{ width:?100%; height:?100%; } } &__div{ position:?absolute; color:?#eee; *{ float:?left; } a{ width:?16px; height:?16px; color:?#eee; margin-bottom:?3px; img{ height:?100%; width:?100%; } p{ font-size:? } } i{ position:?absolute; display:?block; width:?16px; height:?16px; background:?url(../images/search.png)?no-repeat; background-size:?100%?100%; } input{ width:?80vw; background:?rgba(250,250,250,.5); border:?none; border-radius:?3px; } }}為什么會報錯呢