main {
    margin-top: 100px;
}

.banner {
    text-align: center;
    height: 280px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #100b0b80;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    left: 0;
    mix-blend-mode: color;
}

.banner .title-container {
    position: relative;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    text-align: center;
    color: #FFFFFF;
}

.banner .title-container .title {
    font-size: 52px;
}

.banner .title-container .sub-title {
    font-size: 26px;
    opacity: 0.8;
}

.breadcrumb {
    margin: 24px 0;
    font-size: 16px;
    color: #666;
}

.breadcrumb a {
    color: #000;
    text-decoration: none;
}

.breadcrumb a:last-child {
    color: #1677FF;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.content-layout {
    display: flex;
    background-color: #fff;
    border-radius: 4px;
    gap: 20px;
    margin-bottom: 48px;
}

.sidebar {
    width: 240px;
    border-radius: 3px;
    box-shadow: 0px 0px 14px 0px #0000001A;
    background: linear-gradient(90deg, #FFFAFA 0%, #FFFFFF 100%);
    min-height: 495px;
}

.sidebar ul {
    list-style-type: none;
    margin: 0;
    background-image: linear-gradient(180deg, #FFF 0%, #fffafa20 100%), url(../images/article-list-banner.png);
    background-size: 530px 325px;
    background-repeat: no-repeat;
    background-position: bottom;
    height: 100%;
    width: 100%;
    padding: 44px 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar li {
    position: relative;
}

.sidebar li.active::after {
    content: '';
    display: inline-block;
    width: 226px;
    height: 44px;
    background-size: cover;
    position: absolute;
    /* background: linear-gradient(90deg, #D73740 0%, #FE9873 100%); */
    background: linear-gradient(90deg, #007AFF 0%, rgba(70, 128, 242, 0.70) 100%);
    border-top-left-radius: 21px;
    border-bottom-left-radius: 21px;
    right: -10px;
}

.sidebar li.active::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 6.5px;
    background-image: linear-gradient(147deg, #8A2B2E 0, #8A2B2E 50%, transparent 50%, transparent 100%);
    position: absolute;
    right: -10px;
    bottom: 0;
    transform: translateY(100%);
}

.sidebar a {
    display: inline-block;
    height: 44px;
    padding-left: 60px;
    box-sizing: border-box;
    line-height: 44px;
    width: 100%;
    text-decoration: none;
    font-family: Source Han Sans CN;
    font-size: 20px;
    font-weight: 500;
    color: #333333;
    position: relative;
    z-index: 1;
}

.sidebar a:hover {
    color: #c7000b;
}

.sidebar li.active a {
    font-weight: 700;
    color: #fff;
}

/* 文章列表 */
.article-list {
    padding: 0 12px;
    overflow: hidden;
    flex: 1;
    box-shadow: 0px 0px 14px 0px #0000001A;
    background: linear-gradient(90deg, #FFFAFA 0%, #FFFFFF 100%);
}

.current-category-title {
    font-size: 20px;
    color: #c7000b;
    padding: 0;
    margin: 0;
    position: relative;
}

.current-category-title::before {
    content: '';
    border-bottom: 4px solid #c7000b;
    width: 100%;
    position: absolute;
    bottom: -10px;
    transform: translateY(100%);
    border-radius: 10px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #c7000b;
}