/* ===== 内容背景 ===== */
p,span {
    text-indent: 0em;
}

.content-bg {
    padding-top: 70px;
    padding-bottom: 100px;
    background: linear-gradient(0deg, #F3F3F3, #F3F3F3), #F3F3F3;
}

.content-container {
    max-width: 1920px;
    margin: 0 auto;
    width: 1100px;
}

.article-content {
    background-color: #fff;
    padding: 70px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ===== 文章标题 ===== */
.article-title {

    margin: 0 0 20px 0;

    font-family: PingFangSC;
    font-size: 36px;
    font-weight: normal;
    line-height: normal;
    text-align: center;
    /* 浏览器可能不支持 */
    align-items: center;
    letter-spacing: normal;
    color: #333333;
}

.article-meta {
    margin-bottom: 30px;
    padding-bottom: 26px;
    border-bottom: 1px solid #E5E5E5;

    font-family: PingFangSC;
    font-size: 14px;
    font-weight: normal;
    line-height: normal;
    text-align: center;
    /* 浏览器可能不支持 */
    letter-spacing: normal;
    color: #333333;
}

.article-date {
    font-size: 14px;
    color: #333333;
    opacity: 0.64;
}

.article-source {
    margin-left: 20px;
    font-size: 14px;
    color: #333333;
    opacity: 0.64;
}

/* ===== 文章正文 ===== */
.article-body {
    margin-bottom: 30px;
}

.article-body p {
    margin: 0 0 30px 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: PingFangSC;
    font-size: 18px;
    font-weight: normal;
    line-height: 28px;
    text-align: justify;
    /* 浏览器可能不支持 */
    align-items: center;
    letter-spacing: normal;
    color: #333333;
    text-indent: 0em;
}

.article-paragraph {
    margin: 0 0 30px 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: PingFangSC;
    font-size: 18px;
    font-weight: normal;
    line-height: 28px;
    text-align: justify;
    /* 浏览器可能不支持 */
    display: flex;
    align-items: center;
    letter-spacing: normal;
    color: #333333;
}

.article-figure {
    margin: 40px 0;
    padding: 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    background-color: #EBE4DF;
}

.article-figure img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 600px;
    object-fit: cover;
}

/* ===== 供稿信息 ===== */
.article-credits {
    width: 900px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 40px;
    text-align: center;
    background: rgb(216, 216, 216, 0.26);
}

.article-credits p {
    font-family: PingFangSC;
    font-size: 14px;
    font-weight: normal;
    line-height: normal;
    text-align: center;
    opacity: 0.6;
    letter-spacing: normal;
    color: #252525;
}

/* ===== 上一篇/下一篇导航 ===== */
.news-navigation {
    max-width: 1920px;
    margin: 0 auto;
    padding: 80px 240px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.nav-item {
    display: grid;
    grid-template-columns: 235px 1fr;
    gap: 30px;
    background-color: #F3F3F3;
    padding: 30px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-item:hover {
    background-color: #EEEEEE;
}

.nav-image {
    width: 100%;
    aspect-ratio: 235/147;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.nav-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.nav-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.nav-title {
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;


    font-family: PingFangSC;
    font-size: 26px;
    font-weight: 600;
    line-height: 36px;
    letter-spacing: 1.3px;
    color: #262626;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;


    font-family: SourceHanSansSC;
    font-size: 16px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: normal;
    color: #333333;


}

.link-text {
    font-weight: 500;
}

.nav-item:hover .nav-link {
    gap: 10px;
}

.nav-link .nav-icon {
    width: 4.14px;
    height: 8px;
    margin-top: 4px;
    transition: transform 0.3s ease;
}

.prev-news .nav-link:hover .nav-icon {
    transform: translateX(-4px);
}

.next-news .nav-link:hover .nav-icon {
    transform: translateX(4px);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .content-container {
        padding: 0 60px;
    }

    .article-content {
        padding: 40px;
    }

    .news-navigation {
        padding: 0 60px;
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .content-container {
        padding: 0 20px;
    }

    .article-content {
        padding: 20px;
    }

    .article-title {
        font-size: 20px;
    }

    .article-paragraph {
        font-size: 13px;
    }

    .nav-item {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .nav-image {
        aspect-ratio: 1;
        max-width: 200px;
    }

    .news-navigation {
        padding: 0 20px;
    }
}