*
{
    box-sizing: border-box;
}
body
{
    font-family: Roboto,arial,sans-serif;
    font-size: 16px;
    line-height: 1.78;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: #111;
}
html
{
    height: 100%;
    font-size: 100%;

        -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}
body,
h1,
h2,
h3,
h4,
p,
ul,ol
{
    margin: 0;
    padding: 0;
}
a
{
    cursor: pointer;
    text-decoration: none;

    color: #111;
}
a,
a:hover,
a:visited
{
    outline: none;
}
img
{
    max-width: 100%;

    transition: opacity ease .25s;
    vertical-align: middle;

    opacity: 1;
}
img[data-src]
{
    opacity: 0;
}
button
{
    border: none;
    background: none;
}
input:focus,
button:focus,
textarea
{
    outline: none;
}
::-webkit-input-placeholder
{
    color: #ccc;
}
::-moz-placeholder
{
    color: #ccc;
}
:-ms-input-placeholder
{
    color: #ccc;
}
article,
aside,
figure,
footer,
header,
main,
nav,
section
{
    display: block;
}
li
{
    list-style: none;
}
.scroll-x::-webkit-scrollbar{
  display: none;
}
.wrapper
{
    margin-right: 20px;
    margin-left: 20px;
    max-width: 1140px;
}
/* .page-category{
    padding-top: 8px;
    padding-bottom: 8px;
    font-size: 24px;
    color: #fff;
    display: inline-block;
    position: relative;
} */
/* .page-category::after{
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-color: #fff transparent transparent transparent;
    right: -28px;
    top: 50%;
    margin-top: -4px;
} */
.page-tab{
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
    background-color: #fafafa;
    padding: 4px 0;
}
.tab-con{
    display: flex;
}
.header-link{
    flex: 1;
    /* color: #fff; */
    line-height: 52px;
    /* margin-right: 16px; */
    display: flex;
    align-items: center;
    padding: 0 16px;
    font-weight: 500;
}
.hd-active{
    background-color: #255dd9;
    color: #fff;
    border-radius: 6px;
}
.hd-active .icon-18{
    fill: #fff;
}
.header-link .icon-18{
    display: none;
    
}
.header-link .icon-18{
    margin-right: 8px;
}
.icon-24{
    width: 24px;
    height: 24px;
}
.category-tl{
    margin-top: 16px;
}
.category-ls{
    display: flex;
    flex-wrap: wrap;
    margin-left: -8px;
}
.category-item{
    width: 50%;
    padding-left: 8px;
    margin-top: 8px;
}
.category-link{
    background-color: #f7f9fb;
    height: 48px;
    display: block;
    border-radius: 4px;
    padding: 0 16px;
    line-height: 48px;
}
.yearpage{
    min-height: 85vh;
}
.year-ls{
    display: flex;
    flex-wrap: wrap;
    margin-left: -8px;
    width: 100%;
    /* margin-bottom: 24px; */
}
.year-item{
    margin-top: 8px;
    padding-left: 8px;
    width: 100%;
}
.year-link{
    /* background-color: #fafafa; */
    line-height: 48px;
    /*color: #255dd9;
    */padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 6px;
    border: 1px solid #f0f0f0;
    transition: background-color 0.2s;
}
.section-tl{
    /* font-size: 22px;
    border-left: 4px solid #255dd9;
    line-height: 1;
    padding-left: 12px;
    margin: 24px 0 12px; */
    font-size: 22px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
    padding-bottom: 3px;
    border-bottom: 2px solid #255dd9;
    display: inline-block;
}
.exam-option{
    min-height: 56px;
    padding: 12px 16px;
    background-color: #fafafa;
    border-radius: 4px;
    margin-top: 8px;
    cursor: pointer;
}
.exam-explanation{
    display: none;
}
.exam-option img{
    max-height: 50px;
}
.exam-done .exam-ls{
    color: #aaa;
    font-weight: bold;
}
.exam-done .exam-explanation{
    display: block;
}
.exam-error{
    color: #e95650;
    background-color: rgb(255, 242, 240);
    text-decoration: line-through;
}
.progress-link{
    width: 36px;
    height: 36px;
    background-color: #f7f9fb;
    border-radius: 4px;
    display: block;
    line-height: 36px;
    text-align: center;
    /* color: #aaa; */
}
.page-wrong{
    background-color: #e95650;
    color: #fff;
}
.page-correct{
    background-color: #38c296;
    color: #fff;
}
.page-current{
    background-color: #255dd9;
    color: #fff;
}
.exam-right{
    color: #11a677;
    background-color: rgb(246, 255, 237);
}
.exam-question{
    font-size: 18px;
    margin-top: 8px;
    margin-bottom: 16px;
    line-height: 1.4;
    font-weight: normal;
}
.exam-subject{
    /* background-color: #255dd9; */
    background-color: rgb(230, 244, 255);
    color: #255dd9;
    border-radius: 4px;
    padding: 4px;
    font-size: 16px;
    padding: 3px 8px;
    margin-bottom: 6px;
    display: inline-block;
}
.page-tl{
    font-size: 18px;
    margin-top: 18px;
    line-height: 1;
    display: flex;
    align-items: center;

    justify-content: space-between;
}
.page-star{
    display: block;
    cursor: pointer;
    width: 24px;
    height: 24px;
    fill: #666;
}
.page-star-active{
    fill: #df9500;
}
.exam-id{
    font-size: 22px;
    font-weight: bold;
}
/* .content{
    min-height: 82vh;
} */
.header-con{
    /* height: 64px; */
    /* background-color: #255dd9; */
    /* margin-bottom: 24px; */
    padding: 16px 0;
}
.footer{
    background-color: #0b2239;
    color: #fff;
    padding: 48px 0;
}
.footer-link{
    color: #fff;
    margin-right: 32px;
}
.exam-percent{
    text-align: right;
    /* margin-top: 16px; */
}
.exam-info{
    margin-bottom: 24px;
}
.exam-answer{
    margin-bottom: 24px;
    background-color: rgb(230, 244, 255);
    border-radius: 4px;
    padding: 4px 12px;
    display: inline-block;
    margin-top: 8px;
    cursor: pointer;
}
.exam-nav{
    display: flex;
    margin-top: 24px;
    margin-bottom: 24px;
}
.exam-prev, .exam-next{
    background-color: #255dd9;
    flex: 1;
    color: #fff;
    text-align: center;
    height: 48px;
    line-height: 48px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.exam-disable{
    background-color: rgb(152,152,152);
}
.exam-next{
    margin-left: 24px; 
}
.icon-18{
    width: 18px;
    height: 18px;
}
.icon-next{
    margin-left: 8px;
}
.icon-left{
    margin-right: 8px;
}
.exam-ls{
    margin-bottom: 16px;
}
.question-item{
    padding: 10px 0;
}
.question-num{
    background-color: #255dd9;
    color: #fff;
    border-radius: 4px;
    width: 40px;
    height: 22px;
    line-height: 22px;
    display: inline-block;
    font-size: 14px;
    text-align: center;
    position: relative;
    margin-right: 10px;
}
.question-num::after{
    content: '';
    position: absolute;
    right: -13px;
    top: 3px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-color: transparent transparent transparent #255dd9;  
}
.filter-ls{
    display: flex;
    flex-wrap: wrap;
    margin-left: -8px;
}
.filter-item{
    width: 50%;
    padding-left: 8px;
    margin-top: 8px;
}
.filter-link{
    background-color: #f7f9fb;
    border-radius: 4px;
    line-height: 48px;
    display: block;
    text-align: center;
    font-size: 14px;
}
.exam-line{
    background-color: rgb(255, 251, 230);
    /* color: #df9500; */
    border-bottom: 2px solid #df9500;
    padding: 3px 12px;
    font-weight: bold;
    margin-top: 16px;
}
.filter-active{
    /* background-color: #255dd9; */
    color: #255dd9;
}
.subject-item{
    padding: 8px 0;
}
.sub-ls{
    display: flex;
    flex-wrap: wrap;
    margin-left: -8px;
}
.sub-item{
    width: 50%;
    padding-left: 8px;
    margin-top: 8px;
}
.sub-link{
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    padding: 4px 0;
    /*background-color: #f7f9fb;
    */display: block;
    text-align: center;
    background-color: #fff;
}
.subject-con{
    background-color: #f7f9fb;
    padding: 12px;
}
.subject-con-tl{
    font-weight: bold;
}
.aside-count{
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 12px 0;
    /* justify-content: space-between; */
}
.aside-incorrect,.aside-correct, .aside-left{
    display: flex;
    align-items: center;
    margin-right: 4px;
    font-weight: bold;
}
.aside-count-item{
    display: flex;
    align-items: center;
    margin: 0 12px;
}
.aside-incorrect::before,.aside-correct::before,.aside-left::before{
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #e95650;
    margin-right: 6px;
}
.aside-correct::before{
    background-color: #38c296;
}
.aside-left::before{
    background-color: #255dd9;
}
.exam-block{
    
    display: flex;
    flex-direction: column;
    flex: 1;
    display: none;
}
.page-blank{
    flex: 1;
    /* display: flex; */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    display: none;
    text-align: center;
    /* border: 1px solid #e5e5e5; */
    /* border-radius: 8px; */
    /* padding: 32px; */
    /* margin-top: 24px; */
    /* min-height: 500px; */
}
.page-blank-img{
    width: 64px;
    height: 64px;
}
.page-blank-tl{
    font-weight: bold;
    margin-top: 16px;
}
/* .exam-section{
    margin-top: 16px;
} */
.exam-year{
    font-weight: bold;
    margin-top: 8px;
    margin-bottom: -6px;
}
.breadcrumb{
    display: none;
}
.icon-20{
    width: 20px;
    height: 20px;
}
.errorpage-bg{
    flex: 1;
    width: 100%;
    background-color: #fafafa;
    padding: 16px;
    display: flex;
    flex-direction: column;
    position: relative;
}
.errorpage{
    flex: 1;
    position: relative;
    padding: 16px;
    background-color: #fff;
    height: 100%;
    border-radius: 8px;
    margin-bottom: 106px;
}
.delete-question{
    position: absolute;
    right: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: rgb(242, 243, 247);
    border-bottom-left-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.delete-question .icon-20{
    fill: #255dd9;
}
.page-turn{
    position: absolute;
    bottom: 48px;
    left: 16px;
    right: 16px;
    display: flex;
}
.page-prev{
    width: 56px;
    height: 56px;
    border-radius: 28px;
    background-color: #fff;
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-next{
    flex: 1;
    background-color: #255dd9;
    color: #fff;
    height: 56px;
    line-height: 56px;
    border-radius: 28px;
    text-align: center;
}
.page-disable{
    background-color: rgb(152,152,152);
}
.icon-prev{
    fill: #255dd9;
}
.flexpage{
    display: flex;
    flex-direction: column;
    min-height: 100%;
}
.errorpage-con{
    flex: 1;
    display: flex
;
    flex-direction: column;
}
.errorpage{
    
    /* background-color: rgb(242, 243, 247); */
}
.exam-section{
    flex: 1;
    
}
.question-progress{
    text-align: center;
    margin-bottom: 16px;

}
.app-download,.apk-download{
    height: 64px;
    background-color: #222;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    margin-bottom: 16px;
}
.apk-download{
    background-color: #255dd9;
}
.icon-32{
    width: 32px;
    height: 32px;
}
.icon-28{
    width: 28px;
    height: 28px;
    margin-right: 6px;
}
.app-download .icon-32{
    margin-right: 8px;
}
.exampage .content{
    display: flex;
    flex-direction: column-reverse;
}
.progress-ls{
    display: flex;
    /* flex-wrap: wrap; */
    margin-left: -8px;
    padding-left: 16px;
}
.progress-item{
    padding-left: 8px;
    margin-top: 8px;
}
.scroll-x{
    overflow-x: auto;
    overflow-y: hidden;
    margin-right: -16px;
    margin-left: -16px;
}
.page-turn-tl{
    display: none;
}

/* .banner-desc {
    font-size: 1rem;
    margin: 20px 0 28px;
}
.banner-buttons {
    flex-direction: column;
    width: 100%;
}
.banner-link {
    width: 100%;
    justify-content: center;
} */
.banner {
    padding: 4rem 1.5rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #255dd9, #1a3fa8);
    color: white;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); 
}


.banner-bg-decoration {
    position: absolute;
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(30deg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    z-index: 0;
}

.banner-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.banner .wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    max-width: 800px; 
    position: relative;
    z-index: 1;
}

.banner-icon {
    margin-bottom: 20px;
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.banner h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); 
    position: relative;
}

.banner h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    margin: 16px auto 0;
}

.banner-desc {
    margin: 24px 0 32px; 
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px; 
}

.banner-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem; 
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    flex-direction: column;
    width: 100%;
}

.banner-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 2rem; 
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1.05rem;
    width: 100%;
    justify-content: center;
}

.btn-primary {
    background: white;
    color: #255dd9;
    box-shadow: 0 6px 16px rgba(37, 93, 217, 0.35);
}
.btn-primary:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 93, 217, 0.45);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.9);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
    border-color: white;
}

.banner-badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.icon-48 {
    width: 48px;
    height: 48px;
}
.icon-24 {
    width: 24px;
    height: 24px;
}
.category-home-ls {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.category-home-group {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    padding: 1rem 1.2rem;
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.category-home-group:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.category-home-title {
    margin: 0 0 0.7rem;
    font-size: 1.05rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 0.3rem;
}

.category-home-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: #255dd9;
}

.category-home-link {
    color: #2d3748;
    text-decoration: none;
    transition: color 0.2s ease;
}

.category-home-link:hover {
    color: #255dd9;
}

.year-home-ls {
    display: flex;
    flex-wrap: wrap;
    margin-left: -10px;
    /* gap: 0.4rem; */
}

.year-home-item {
    flex: 0 0 auto;
    width: 50%;
    padding-left: 10px;
    margin-top: 5px;
}

.year-home-link {
    display: block;
    padding: 0.3rem 0.7rem;
    background: #f7fafc;
    color: #333;
    border-radius: 3px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: .9rem;
}

.year-home-link:hover {
    background: #255dd9;
    color: #fff;
}

.year-home-link.active {
    background: #255dd9;
    color: #fff;
    font-weight: 500;
}
.exam-img-wrap{
    display: flex;
    margin-bottom: 16px;
}
.exam-img{
    width: 25%;
}
.header-top {
    
    align-items: center;
    margin-bottom: 16px;
    /* padding-bottom: 12px; */
    /* border-bottom: 1px solid #f0f0f0; */
}
/* 左侧：Logo+标题组合 */
.header-logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.site-logo {
    width: 40px;
    height: 40px;
    background-color: #255dd9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}
.header-title-wrap {
    display: flex;
    flex-direction: column;
}
.page-category {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    letter-spacing: -0.5px;
    line-height: 1.5;
}
.header-subtitle {
    font-size: 12px;
    color: #718096;
    /* margin-top: 2px; */
    line-height: 1.3;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: flex-end;
}
.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
}
.btn-ios {
    color: #fff;
    background-color: #222;
}
.btn-apk {
    color: #fff;
    background-color: #255dd9;
}
.icon-16{
    width: 16px;
    height: 16px;
}
@media (min-width: 768px) {
    .banner{
        padding: 5rem 2rem; 
    }
    .banner-buttons{
        flex-direction: row;
    }
    .banner-link{
        width: 300px;
    }
    .category-home-ls {
        padding: 1rem 0.8rem;
    }
    .category-home-group {
        padding: 0.8rem 1rem;
        margin-bottom: 0.8rem;
    }
    
    .category-home-title {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .year-home-item{
        width: 33.3333%;
    }
    .header-top{
        flex-direction: row;
        display: flex;
        justify-content: space-between;
    }
    .site-logo{
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
    .page-category{
        font-size: 22px;
    }
    .header-subtitle,.action-btn{
        font-size: 13px;
    }
}
@media screen and (min-width: 1024px){
    .exampage .content{
        flex-direction: row;
    }
    .progress-ls{
        flex-wrap: wrap;
    }
    .page-turn-tl{
        display: block;
    }
    .aside-count{
        justify-content: space-between;
    }
    .aside-count-item{
        margin: 0;
    }
    .page-tl{
        margin-top: 0;
    }
    .header-link .icon-18{
        display: block;
    }
    .errorpage-bg{
        max-width: 1140px;
    }
    .wrapper,.errorpage-bg{
        margin-left: auto;
        margin-right: auto;
    }
    .header-link{
        /* margin-right: 48px; */
    }
    .breadcrumb
    {
        line-height: 1.2;

        display: flex;
        overflow: hidden;

        /* margin-top: 18px; */
        margin-bottom: 18px;
        margin-left: -8px;

        white-space: nowrap;

        color: #bbb;
    }
    .breadcrumb a:hover
    {
        text-decoration: underline;
    }
    .breadcrumb span
    {
        font-size: 12px;

        padding-right: 8px;
        padding-left: 8px;

        color: #666;
    }
    .breadcrumb li > span
    {
        color: #01875f;
    }
    .year-ls{
        display: flex;
        flex-wrap: wrap;
        margin-left: -8px;
        margin-bottom: 24px;
    }
    .year-item{
        width: 50%;
        padding-left: 8px;
    }
    .content-rt .year-item{
        width: 100%;
    }
    .year-link{
        /* background-color: #f7f9fb; */
    }
    .content-lf .year-item{
        width: 20%;
    }
    .content-rt .year-item .year-link{
        line-height: 1.2;
        padding: 8px 12px;
    }
    .content-rt .year-item:nth-child(2n) .year-link{
        background-color: #fff;
    }
    .category-item{
        width: 25%;
    }
    .content{
        display: flex;

    }
    .content-lf{
        flex: 1;
    }
    .content-rt{
        width: 300px;
        margin-left: 32px;
        flex: 0 0 300px;
    }
    
    .block-con{
        border: 1px solid #e5e5e5;
        border-radius: 8px;
        padding: 0 20px 20px;
        margin-bottom: 24px;
    }
    .content-tl{
        font-size: 18px;
        margin: 16px 0 6px;
    }
    
    /* .progress-item{
        padding-left: 8px;
        margin-top: 8px;
    }
     */
    a:hover{
        text-decoration: underline;
        /* color: #255dd9; */
    }
    .sub-item{
        width: 14.2857%;
    }
    .category-ls h2{
        width: 100%;
    }
    .homepage .year-item{
        width: 16.6666%;
    }
    .year-home-item{
        width: 25%;
    }
    .year-link:hover {
        background-color: #f5f9ff;
        color: #255dd9;
    }
}