/* 文章（BLOG资讯）列表/详情页样式
   模板：template/UTG/article/news.html（列表）、news_show.html（详情）
   卡片（.blog-card / .blog-img / .blog-body / .blog-meta 等）复用 index.css 的定义。
   本文件只放列表/详情专属样式，避免与首页博客区重复。 */

/* ===== 横幅 + 面包屑 ===== */
.art-banner{
    position:relative;
    background:linear-gradient(135deg,var(--color-darker) 0%,#0A1B36 100%);
    color:#fff;
    padding:54px 0 26px;
    overflow:hidden;
}
.art-banner::after{
    content:'';position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(79,163,247,.28),transparent 70%);pointer-events:none;
}
.art-banner-label{
    position:relative;z-index:1;
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;
    color:var(--color-primary-light);margin-bottom:10px;
}
.art-banner-title{
    position:relative;z-index:1;
    font-size:38px;font-weight:800;line-height:1.25;margin-bottom:10px;
    color:#fff;word-break:break-word;
}
.art-banner-desc{
    position:relative;z-index:1;
    font-size:15px;color:rgba(255,255,255,.78);max-width:680px;line-height:1.7;
}
.art-banner--detail{padding:48px 0 26px;}
.art-banner--detail .art-banner-title{font-size:32px;}
.art-meta{
    position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:20px;margin:4px 0 14px;
    font-size:13px;color:rgba(255,255,255,.72);
}
.art-meta span{display:inline-flex;align-items:center;gap:6px;}
.art-meta i{color:var(--color-primary-light);}
.art-crumb{
    position:relative;z-index:1;
    font-size:13px;color:rgba(255,255,255,.6);margin-top:6px;
}
.art-crumb a{color:rgba(255,255,255,.72);transition:color var(--transition);}
.art-crumb a:hover{color:#fff;}

/* ===== 区块 ===== */
.art-section{padding:48px 0 70px;background:var(--color-light2);}
.art-empty{
    background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);
    padding:50px;text-align:center;color:var(--color-muted);font-size:15px;
}

/* ===== 子栏目筛选 tab ===== */
.art-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}

/* ===== 工具栏：tabs + 视图切换 ===== */
.art-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:30px;}
.art-toolbar .art-tabs{margin-bottom:0;}
.art-view-toggle{
    display:inline-flex;gap:4px;margin-left:auto;
    background:#fff;border:1px solid var(--color-border);border-radius:10px;padding:4px;
}
.art-view-btn{
    width:38px;height:34px;border:none;background:transparent;border-radius:7px;cursor:pointer;
    color:var(--color-muted);font-size:15px;
    display:inline-flex;align-items:center;justify-content:center;transition:all var(--transition);
}
.art-view-btn:hover{color:var(--color-primary);}
.art-view-btn.active{
    color:#fff;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);
    box-shadow:0 3px 10px rgba(25,127,222,.28);
}

/* ===== 列表页双栏（列表模式才显示侧边栏） ===== */
/* 网格模式：保持原样，普通块级排布，不受 .art-layout 基础双栏规则影响 */
.art-layout--listpage{display:block;}
.art-layout--listpage .art-sidebar{display:none;}
.art-layout--listpage.view-list{
    display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;
}
.art-layout--listpage.view-list .art-sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:20px;}
/* 列表模式：卡片横向排布（图左文右） */
.art-layout--listpage.view-list .art-grid{grid-template-columns:1fr;gap:18px;}
.art-layout--listpage.view-list .blog-card{display:flex;align-items:stretch;}
.art-layout--listpage.view-list .blog-card .blog-img{width:260px;height:auto;min-height:170px;flex-shrink:0;}
.art-layout--listpage.view-list .blog-card .blog-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.art-layout--listpage.view-list .blog-card .blog-more{margin-top:auto;}
/* 网格卡片：图片加高 */
.art-grid .blog-img{height:240px;}
@media (max-width:1080px){.art-grid .blog-img{height:200px;}}
.art-tab{
    display:inline-flex;align-items:center;
    padding:9px 22px;border-radius:999px;font-size:14px;font-weight:600;
    color:var(--color-body);background:#fff;border:1px solid var(--color-border);
    transition:all var(--transition);
}
.art-tab:hover{color:var(--color-primary);border-color:var(--color-primary-light);}
.art-tab.active{
    color:#fff;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);
    border-color:transparent;box-shadow:0 6px 16px rgba(25,127,222,.28);
}

/* ===== 列表网格（复用首页 .blog-card 体系） ===== */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ===== 详情 ===== */
/* 分类 kicker */
.art-kicker{
    position:relative;z-index:1;display:inline-block;
    font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
    color:var(--color-primary-light);margin-bottom:10px;
}
/* 双栏布局 */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;}
.art-main-col{min-width:0;}
/* 正文卡头部：大标题 + 小标题 + 元信息 + 分隔线 */
.art-head{margin-bottom:4px;}
.art-title{font-size:26px;font-weight:800;line-height:1.4;color:var(--color-text);margin-bottom:10px;}
.art-subtitle{font-size:15px;line-height:1.7;color:var(--color-muted);margin-bottom:12px;}
.art-info{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--color-muted);}
.art-info span{display:inline-flex;align-items:center;gap:6px;}
.art-info i{color:var(--color-primary);}
.art-divider{height:1px;background:var(--color-border);margin:20px 0 24px;}
.art-content{
    background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);
    padding:34px 38px;box-shadow:var(--shadow);
}
.art-cover{margin:-6px -6px 26px;border-radius:12px;overflow:hidden;}
.art-cover img{width:100%;display:block;}
/* 正文排版（富文本） */
.art-body{font-size:16px;line-height:1.95;color:#33404f;}
.art-body p{margin-bottom:18px;}
.art-body img{max-width:100%;height:auto;border-radius:8px;margin:10px 0;}
.art-body h1,.art-body h2,.art-body h3,.art-body h4{
    color:var(--color-text);font-weight:700;margin:26px 0 14px;line-height:1.4;
}
.art-body h2{font-size:24px;}
.art-body h3{font-size:20px;}
.art-body h4{font-size:17px;}
.art-body ul,.art-body ol{margin:0 0 18px 22px;}
.art-body li{margin-bottom:8px;}
.art-body a{color:var(--color-primary);text-decoration:underline;}
.art-body blockquote{
    margin:0 0 18px;padding:14px 20px;border-left:4px solid var(--color-primary-light);
    background:var(--color-light2);border-radius:0 8px 8px 0;color:var(--color-body);
}
.art-body table{border-collapse:collapse;width:100%;margin-bottom:18px;}
.art-body th,.art-body td{border:1px solid var(--color-border);padding:10px 14px;font-size:14px;}
.art-body th{background:var(--color-light2);font-weight:600;}

/* 上下篇 */
.art-pn{display:flex;gap:16px;margin-top:26px;}
.art-pn-item{
    flex:1;display:flex;flex-direction:column;gap:6px;
    background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);
    padding:16px 20px;transition:all var(--transition);min-width:0;
}
.art-pn-item:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow);}
.art-pn-next{text-align:right;align-items:flex-end;}
.art-pn-label{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--color-muted);}
.art-pn-title{font-size:15px;font-weight:600;color:var(--color-text);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}
.art-pn-next .art-pn-title{text-align:right;}

/* ===== 侧边栏 widget ===== */
.art-sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:20px;}
.art-widget{
    background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);
    padding:22px 22px;box-shadow:var(--shadow);
}
.art-widget-title{
    display:flex;align-items:center;gap:9px;
    font-size:16px;font-weight:700;color:var(--color-text);margin-bottom:16px;
}
.art-widget-title i{color:var(--color-primary);font-size:15px;}

/* 搜索 */
.art-search{display:flex;gap:8px;}
.art-search-input{
    flex:1;min-width:0;height:42px;padding:0 14px;border:1px solid var(--color-border);
    border-radius:9px;font-size:14px;color:var(--color-text);outline:none;transition:.2s;
}
.art-search-input:focus{border-color:var(--color-primary-light);box-shadow:0 0 0 3px rgba(25,127,222,.12);}
.art-search-btn{
    width:42px;height:42px;flex-shrink:0;border:none;border-radius:9px;cursor:pointer;
    background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);
    color:#fff;font-size:15px;transition:.2s;
}
.art-search-btn:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(25,127,222,.3);}

/* 文章分类 */
.art-cat-list{list-style:none;}
.art-cat-list li{margin-bottom:2px;}
.art-cat-list a{
    display:flex;align-items:center;gap:8px;
    padding:9px 12px;border-radius:8px;font-size:14px;color:var(--color-body);
    transition:all var(--transition);
}
.art-cat-list a::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--color-muted);transition:.2s;}
.art-cat-list a:hover,.art-cat-list a.active{background:var(--color-light2);color:var(--color-primary);}
.art-cat-list a:hover::before,.art-cat-list a.active::before{background:var(--color-primary);}

/* 站点 Tags 标签 */
.art-tags{display:flex;flex-wrap:wrap;gap:8px;}
.art-tag{
    display:inline-flex;align-items:center;gap:5px;
    padding:6px 14px;border-radius:999px;font-size:13px;
    color:var(--color-body);background:var(--color-light2);border:1px solid var(--color-border);
    transition:all var(--transition);
}
.art-tag::before{content:'#';color:var(--color-primary);font-weight:700;}
.art-tag:hover{color:#fff;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);border-color:transparent;box-shadow:0 4px 12px rgba(25,127,222,.28);}
.art-tag:hover::before{color:rgba(255,255,255,.85);}

/* 近期文章 */
.art-recent{list-style:none;display:flex;flex-direction:column;gap:14px;}
.art-recent-link{display:flex;gap:12px;align-items:flex-start;}
.art-recent-thumb{
    width:64px;height:64px;flex-shrink:0;border-radius:8px;overflow:hidden;
    background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);
    display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);font-size:20px;
}
.art-recent-thumb img{width:100%;height:100%;object-fit:cover;}
.art-recent-body{display:flex;flex-direction:column;gap:5px;min-width:0;}
.art-recent-title{
    font-size:14px;font-weight:600;color:var(--color-text);line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color var(--transition);
}
.art-recent-link:hover .art-recent-title{color:var(--color-primary);}
.art-recent-date{font-size:12px;color:var(--color-muted);}

/* 关于我们 */
.art-widget--about .art-about-text{font-size:13px;line-height:1.7;color:var(--color-body);margin-bottom:14px;}
.art-about-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.art-about-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--color-text);}
.art-about-list i{color:var(--color-primary);width:16px;text-align:center;}
.art-about-btn{display:block;text-align:center;}

/* 咨询 CTA */
.art-cta{background:linear-gradient(135deg,var(--color-darker) 0%,#0A1B36 100%);border-color:transparent;}
.art-cta .art-widget-title{color:#fff;}
.art-cta .art-widget-title i{color:var(--color-primary-light);}
.art-cta-text{font-size:14px;color:rgba(255,255,255,.82);margin-bottom:14px;line-height:1.6;}
.art-cta-btn{display:block;width:100%;text-align:center;}
/* 悬停显示微信二维码（复用 index.css 的 .wechat-qrcode 弹层，向上弹出） */
.art-cta-wechat{position:relative;}
.art-cta-wechat .wechat-qrcode{top:auto;bottom:calc(100% + 10px);}
.art-cta-wechat:hover .wechat-qrcode,
.art-cta-wechat:focus-within .wechat-qrcode{
    opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}

/* ===== 分页（与产品中心一致） ===== */
.pc-pages{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:8px;margin:36px 0 6px;padding:0;list-style:none;}
.pc-pages .page-item{list-style:none;}
.pc-pages .page-link{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:38px;height:38px;padding:0 14px;border-radius:9px;
    font-size:14px;color:#44546e;background:#fff;border:1px solid #e3eaf5;transition:.2s;
}
.pc-pages .page-link:hover{color:var(--color-primary);border-color:var(--color-primary-light);background:#f5f9ff;}
.pc-pages .page-item.active .page-link{
    background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);
    color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(25,127,222,.3);}
.pc-pages .page-item.active .page-link:hover{color:#fff;}
.pc-pages .page-link i{font-size:18px;line-height:1;}

/* ===== 详情页「更多」相关区块标题（专利/展会详情复用） ===== */
.art-more-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:8px 0 22px;}
.art-more-key{
    font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
    color:var(--color-primary-light);margin-bottom:6px;
}
.art-more-title{font-size:22px;font-weight:800;color:var(--color-text);}

/* ===== 响应式 ===== */
@media (max-width:992px){
    .art-layout{grid-template-columns:1fr;gap:30px;}
    .art-layout--listpage.view-list{grid-template-columns:1fr;gap:30px;}
    .art-layout--listpage.view-list .art-sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
    .art-layout--listpage.view-list .art-sidebar .art-widget{flex:1 1 280px;}
    .art-layout--listpage.view-list .blog-card .blog-img{width:210px;min-height:150px;}
    .art-sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
    .art-sidebar .art-widget{flex:1 1 280px;}
    .art-grid{grid-template-columns:repeat(2,1fr);}
    .art-banner-title{font-size:30px;}
}
@media (max-width:640px){
    .art-grid{grid-template-columns:1fr;}
    .art-banner{padding:40px 0 20px;}
    .art-banner-title{font-size:26px;}
    .art-title{font-size:21px;}
    .art-content{padding:24px 18px;}
    .art-body{font-size:15px;line-height:1.85;}
    .art-pn{flex-direction:column;}
    .art-pn-next{text-align:left;align-items:flex-start;}
    .art-pn-next .art-pn-title{text-align:left;}
    .art-sidebar{flex-direction:column;}
    .art-sidebar .art-widget{flex:1 1 auto;}
    .art-layout--listpage.view-list .blog-card{flex-direction:column;}
    .art-layout--listpage.view-list .blog-card .blog-img{width:100%;height:150px;min-height:0;}
}