.container {
    padding-top: 6.25rem;
    box-sizing: border-box;
    background-color: #ffffff;
}

html {
    font-size: 1rem;
}

body {
    padding: 0;
    margin: 0;
    font-size: 1rem; /* 设置body字体大小相对于根元素进行响应式调整 */
}

.container_know_ana_head {
    width: 100%;
    height: 18.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: 100% 100%;
    background-image: url("../image/knowana/head_back.png");
}

.container_know_ana_head_icon {
    background-image: url("../image/knowana/head_tit_let.png");
    width: 1.3125rem;
    height: 1.75rem;
    background-size: 100% 100%;
}

.container_know_ana_head_icon_2 {
    background-image: url("../image/knowana/head_tit_rit.png");
    width: 1.3125rem;
    height: 1.75rem;
    background-size: 100% 100%;
}

.container_know_ana_head_title {
    font-family: byk;
    color: #ffffff;
    margin: 0 1.25rem;
    box-sizing: border-box;
    font-size: 3rem;
}

.container_know_ana_body_head {
    height: 5.625rem;
    display: flex;
    width: 20rem;
    align-items: center;
    font-size: 1rem;
    justify-content: flex-start;
}

.container_know_ana_body_head_nav_arr {
    margin: 0 0.625rem;
    font-size: 1rem;
}

.container_know_ana_body_head_nav {
    cursor: pointer;
    user-select: none;
}

.container_know_ana_body_head_nav_activate {
    color: #2c8d7c;
}

.container_know_ana_body_head_nav:hover {
    color: #2c8d7c;
}


.container_know_ana_head_select {
    width: 7.5rem;
    height: 3.125rem;
    appearance: none;
    box-sizing: border-box;
    border: none;
    outline: none;
    border-radius: 0.25rem 0 0 0.25rem;
    cursor: pointer;
    font-size: 1rem;
    padding: 0 1.25rem;
    color: #333333;
    background-repeat: no-repeat;
    background-position: 6.25rem center;
    background-size: 0.6875rem 0.5rem;
    background-image: url("../image/knowAnalyse/xiajiantou.png");
}

.container_know_ana_head_select option {
    font-size: 1rem;
    color: #333333;
}

.container_know_ana_head_input {
    width: 37.5rem;
    font-size: 1rem;
    padding: 0 1.25rem;
    outline: none;
    margin-left: 0.0625rem;
    box-sizing: border-box;
    height: 3.125rem;
    border: none;
    line-height: 3.125rem;
}

.container_know_ana_head_button {
    width: 7.5rem;
    height: 3.125rem;
    font-size: 1.125rem;
    font-family: SourceHanSerifCN serif;
    color: #6d6050;
    line-height: 3.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    text-align: center;
    background-color: #c3b5a3;
    border-radius: 0 0.25rem  0.25rem 0;

}