/* ============================================================
   企业官网 · 新闻文章详情页（一比一复刻）
   ============================================================ */

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", "Hiragino Sans GB",
        "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.8;
    color: #333333;
    background: #ffffff;
}

a {
    color: #333333;
    text-decoration: none;
    -webkit-transition: color 0.2s;
    transition: color 0.2s;
}

a:hover { color: #c8161d; }

img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 0;
}

p { margin: 0 0 1em; }

/* ============================================================
   顶部蓝色细线
   ============================================================ */
.top-line {
    width: 100%;
    height: 3px;
    background: #c8161d;
}

/* ============================================================
   头部：LOGO + 导航
   ============================================================ */
.site-header {
    width: 100%;
    background: #ffffff;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 90px;
    padding: 0 20px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

/* LOGO */
.logo {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 12px;
}

.logo .logo-icon {
    width: 52px;
    height: 52px;
    background: #c8161d;
    color: #ffffff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    border-radius: 2px;
}

.logo .logo-text .cn {
    font-size: 24px;
    font-weight: 700;
    color: #c8161d;
    letter-spacing: 2px;
    line-height: 1.2;
}

.logo .logo-text .en {
    font-size: 11px;
    color: #999999;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 导航 */
.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.nav-menu > li > a {
    display: block;
    padding: 0 20px;
    height: 90px;
    line-height: 90px;
    font-size: 16px;
    color: #333333;
    position: relative;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
    color: #c8161d;
}

.nav-menu > li.active > a::after {
    content: "";
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 0;
    height: 3px;
    background: #c8161d;
}

/* 汉堡按钮 */
.nav-toggle {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    background: none;
    border: 0;
    padding: 0;
}
.nav-toggle span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: #c8161d;
    left: 0;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.open span:nth-child(1) { -webkit-transform: rotate(45deg); transform: rotate(45deg); top: 10px; }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { -webkit-transform: rotate(-45deg); transform: rotate(-45deg); top: 10px; }

/* ============================================================
   Banner 大图
   ============================================================ */
.banner {
    width: 100%;
    height: 260px;
    overflow: hidden;
    position: relative;
}

.banner img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}

.banner .banner-mask {
    position: absolute;
    inset: 0;
    background: -webkit-linear-gradient(top, rgba(0,0,0,0.45), rgba(0,0,0,0.15));
    background: linear-gradient(to bottom, rgba(0,0,0,0.45), rgba(0,0,0,0.15));
}

.banner .banner-text {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 36px;
    text-align: center;
    color: #ffffff;
    padding: 0 20px;
}

.banner .banner-text h2 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 4px;
    margin: 0 0 6px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.banner .banner-text p {
    font-size: 14px;
    letter-spacing: 6px;
    margin: 0;
    opacity: 0.9;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px 0;
    font-size: 13px;
    color: #999999;
}

.breadcrumb a { color: #999999; }
.breadcrumb a:hover { color: #c8161d; }
.breadcrumb .sep { margin: 0 6px; color: #cccccc; }
.breadcrumb .current { color: #c8161d; }

/* ============================================================
   文章主体
   ============================================================ */
.article-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 10px 20px 0;
}

/* 标题 */
.article-title {
    font-size: 24px;
    font-weight: 700;
    color: #222222;
    text-align: center;
    line-height: 1.5;
    margin: 18px 0 16px;
}

/* 元信息行 */
.article-meta {
    text-align: center;
    color: #999999;
    font-size: 13px;
    padding: 10px 0;
    border-top: 1px solid #e6e6e6;
    border-bottom: 1px solid #e6e6e6;
    margin-bottom: 24px;
}

.article-meta .meta-item { margin: 0 8px; }
.article-meta a { color: #999999; margin: 0 2px; }
.article-meta a:hover { color: #c8161d; }

/* 正文 */
.article-content p {
    text-indent: 2em;
    font-size: 16px;
    line-height: 1.9;
    color: #333333;
    margin: 0 0 1em;
}

/* 配图 */
.article-figure {
    text-align: center;
    margin: 22px 0;
}

.article-figure img {
    max-width: 680px;
    margin: 0 auto;
}

.article-figure figcaption {
    margin-top: 8px;
    font-size: 13px;
    color: #999999;
    text-indent: 0;
}

/* 正文小节标题 */
.article-content h3.sec-title {
    font-size: 18px;
    font-weight: 700;
    color: #222222;
    margin: 28px 0 14px;
    padding-left: 12px;
    border-left: 4px solid #c8161d;
    line-height: 1.4;
    text-indent: 0;
}

/* 项目信息表 */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0 22px;
    font-size: 15px;
}

.info-table th,
.info-table td {
    border: 1px solid #e0e0e0;
    padding: 10px 14px;
    text-align: left;
    vertical-align: top;
}

.info-table th {
    width: 120px;
    background: #f7f7f7;
    color: #444444;
    font-weight: 700;
    white-space: nowrap;
}

.info-table td {
    color: #444444;
    text-indent: 0;
}

/* 正文加粗引导词 */
.article-content p strong { color: #c8161d; }

/* 无序列表（产品排布 / 亮点 / 配套） */
.article-content ul.sec-list {
    list-style: none;
    padding: 0;
    margin: 0 0 18px;
    text-indent: 0;
}

.article-content ul.sec-list > li {
    position: relative;
    padding: 4px 0 4px 22px;
    font-size: 16px;
    line-height: 1.9;
    color: #333333;
}

.article-content ul.sec-list > li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 16px;
    width: 6px;
    height: 6px;
    background: #c8161d;
    border-radius: 50%;
}

/* ============================================================
   分割线 + 文章下方静态功能区
   ============================================================ */
.article-divider {
    border: 0;
    border-top: 1px solid #e6e6e6;
    margin: 30px 0 0;
}

.article-foot {
    padding: 20px 0 10px;
}

/* 工具行：字体大小 / 打印 / 分享 */
.article-tools {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #666666;
}

.article-tools .tool-left { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; gap: 16px; }

.fs-group b { font-weight: 400; color: #666; margin-right: 4px; }
.fs-group a {
    display: inline-block;
    width: 22px;
    height: 22px;
    line-height: 20px;
    text-align: center;
    border: 1px solid #cccccc;
    color: #666;
    font-size: 12px;
    margin: 0 1px;
    border-radius: 2px;
}
.fs-group a:hover { border-color: #c8161d; color: #c8161d; }

/* 分享 */
.share-group { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; gap: 8px; }
.share-group .share-label { color: #666; }
.share-group .share-ico {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: #ffffff;
    font-size: 13px;
    cursor: pointer;
}
.share-group .ico-wx  { background: #44b549; }
.share-group .ico-wb  { background: #e6162d; }
.share-group .ico-qq  { background: #56a8e2; }

/* 上一篇 / 下一篇 */
.article-nav {
    border-top: 1px dashed #e6e6e6;
    margin-top: 18px;
    padding-top: 16px;
    font-size: 14px;
    color: #666666;
}

.article-nav p { margin: 0 0 8px; text-indent: 0; }
.article-nav a { color: #666666; }
.article-nav a:hover { color: #c8161d; }
.article-nav .nav-label { color: #999999; margin-right: 4px; }

/* ============================================================
   页脚
   ============================================================ */
.footer {
    background: #2b2b2b;
    color: #999999;
    margin-top: 40px;
    padding: 30px 20px;
    text-align: center;
    font-size: 13px;
    line-height: 1.9;
}

.footer p { text-indent: 0; margin: 0; }
.footer a { color: #999999; }
.footer a:hover { color: #ffffff; }

/* ============================================================
   响应式 · 平板
   ============================================================ */
@media (max-width: 991px) {
    .nav-menu > li > a { padding: 0 14px; font-size: 15px; }
    .logo .logo-text .cn { font-size: 21px; }
    .banner { height: 220px; }
    .banner .banner-text h2 { font-size: 26px; }
}

/* ============================================================
   响应式 · 移动端
   ============================================================ */
@media (max-width: 767px) {
    body { font-size: 14px; }

    .header-inner { height: 60px; padding: 0 16px; }
    .logo .logo-icon { width: 40px; height: 40px; font-size: 12px; }
    .logo .logo-text .cn { font-size: 18px; letter-spacing: 1px; }
    .logo .logo-text .en { font-size: 9px; }

    /* 导航折叠 */
    .nav-toggle { display: block; }
    .nav-menu {
        position: fixed;
        top: 63px;
        left: 0;
        width: 100%;
        -webkit-box-orient: vertical;
        -ms-flex-direction: column;
        flex-direction: column;
        background: #ffffff;
        max-height: 0;
        overflow: hidden;
        -webkit-transition: max-height 0.35s ease;
        transition: max-height 0.35s ease;
        z-index: 998;
        box-shadow: 0 6px 16px rgba(0,0,0,0.1);
    }
    .nav-menu.open { max-height: 460px; }
    .nav-menu > li { width: 100%; border-bottom: 1px solid #f0f0f0; }
    .nav-menu > li:last-child { border-bottom: 0; }
    .nav-menu > li > a { height: 48px; line-height: 48px; padding: 0 20px; font-size: 15px; }
    .nav-menu > li.active > a::after { display: none; }

    .banner { height: 160px; }
    .banner .banner-text { bottom: 20px; }
    .banner .banner-text h2 { font-size: 20px; letter-spacing: 2px; }
    .banner .banner-text p { font-size: 12px; letter-spacing: 3px; }

    .breadcrumb { padding: 14px 16px 0; font-size: 12px; }

    .article-wrap { padding: 6px 16px 0; }
    .article-title { font-size: 20px; margin: 14px 0 12px; }
    .article-meta { font-size: 12px; padding: 8px 0; margin-bottom: 18px; }
    .article-content p { font-size: 15px; line-height: 1.85; }

    .article-figure img { max-width: 100%; }

    .article-content h3.sec-title { font-size: 16px; padding-left: 10px; margin: 22px 0 12px; }
    .info-table { font-size: 13px; }
    .info-table th { width: 90px; padding: 8px 10px; }
    .info-table td { padding: 8px 10px; }
    .article-content ul.sec-list > li { font-size: 15px; line-height: 1.85; }

    .article-tools {
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
    }
    .article-nav { font-size: 13px; }

    .footer { padding: 22px 16px; font-size: 12px; }
}
