/* ===== 新材料网 xcl99 青蓝卡片设计系统 theme-xcl99.css ===== */
:root{
  --xcl-primary:#0e7ec1;
  --xcl-primary-d:#0b659c;
  --xcl-cyan:#12b3c9;
  --xcl-accent:#16c2c2;
  --xcl-grad:linear-gradient(135deg,#0e7ec1 0%,#12b3c9 100%);
  --xcl-ink:#1c2b36;
  --xcl-ink-2:#33444f;
  --xcl-muted:#6a7c8c;
  --xcl-bg:#eef3f7;
  --xcl-bg-2:#e6eef4;
  --xcl-card:#ffffff;
  --xcl-border:#e3ebf1;
  --xcl-border-2:#d7e2ea;
  --xcl-radius:14px;
  --xcl-radius-sm:10px;
  --xcl-shadow:0 8px 24px rgba(16,80,130,.08);
  --xcl-shadow-hover:0 14px 32px rgba(16,80,130,.18);
  --xcl-font:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;}
body{background:var(--xcl-bg);color:var(--xcl-ink);font-family:var(--xcl-font);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:var(--xcl-primary);text-decoration:none;transition:color .15s;}
a:hover{color:var(--xcl-cyan);}
.container{max-width:1180px;}
.mipcms-main{padding-bottom:30px;}

/* ===== 顶部条 + 导航 ===== */
.mipjz-header-top{background:var(--xcl-grad);color:#fff;padding:12px 0;height:auto;}
.mipjz-header-top .container{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.mipjz-header-top .logo{flex:none;font-size:22px;font-weight:800;letter-spacing:.5px;line-height:1.4;width:auto;}
.mipjz-header-top .logo a{color:#fff;font-size:22px;line-height:1.4;width:auto;}
.mipjz-header-top .logo a:hover{color:#eafdff;}
.mipjz-header-top .top-banner{flex:1 1 auto;min-width:0;display:flex;align-items:center;overflow:hidden;}
.mipjz-header-top .top-banner a{display:inline-flex;max-width:100%;}
.mipjz-header-top .top-banner mip-img,.mipjz-header-top .top-banner img{max-width:100%;height:auto;display:block;}
.mipjz-header-top .top-tagline{flex:none;font-size:13px;color:rgba(255,255,255,.88);white-space:nowrap;letter-spacing:.3px;}
.mipjz-header-nav{background:#fff;box-shadow:0 2px 14px rgba(16,80,130,.08);border-bottom:1px solid var(--xcl-border);position:sticky;top:0;z-index:50;height:auto;}
.mipjz-header-nav .nav-list{display:flex;flex-wrap:wrap;margin:0;padding:0;list-style:none;align-items:center;}
.mipjz-header-nav .nav-item{position:relative;}
.mipjz-header-nav .nav-item-link{display:block;padding:14px 18px;color:var(--xcl-ink);font-weight:600;font-size:15px;background-color:transparent !important;}
.mipjz-header-nav .nav-item-link:hover{color:var(--xcl-primary);background-color:transparent !important;}
.mipjz-header-nav .nav-item-link.active{color:var(--xcl-primary) !important;background-color:transparent !important;}
.mipjz-header-nav .nav-item-link.active::after{content:'';position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--xcl-grad);border-radius:3px 3px 0 0;}
.new-search-form-wrapper .new-search-form-input-wrap .new-search-form-input{border:1px solid var(--xcl-border-2);border-radius:20px;}
.new-search-form-wrapper .new-search-form-submit{background:var(--xcl-grad);color:#fff;border:none;border-radius:0 20px 20px 0;cursor:pointer;}

/* ===== 面包屑 ===== */
.breadcrumb{background:transparent;padding:0;margin:14px 0 6px;font-size:13px;}
.breadcrumb .breadcrumb-item{color:var(--xcl-muted);}
.breadcrumb .breadcrumb-item a{color:var(--xcl-muted);}
.breadcrumb .breadcrumb-item a:hover{color:var(--xcl-primary);}
.breadcrumb .breadcrumb-item:not(:last-child)::after{content:'›';margin:0 8px;color:var(--xcl-border-2);}

/* ===== 卡片容器 ssy-box ===== */
.ssy-box{background:var(--xcl-card);border:1px solid var(--xcl-border);border-radius:var(--xcl-radius);box-shadow:var(--xcl-shadow);margin-bottom:22px;overflow:hidden;}
.ssy-box-heading{padding:16px 20px;border-bottom:1px solid var(--xcl-border);background:linear-gradient(180deg,#fbfdfe,#f4f9fc);}
.ssy-box-heading .title{margin:0;font-size:18px;font-weight:800;color:var(--xcl-ink);position:relative;padding-left:14px;}
.ssy-box-heading .title::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:18px;border-radius:3px;background:var(--xcl-grad);}
.ssy-box-heading .title a{color:var(--xcl-ink);}
.ssy-box-heading .title a:hover{color:var(--xcl-primary);}
.ssy-box-body{padding:18px 20px;}

/* ===== 文章列表（卡片网格）===== */
.ssy-media-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
@media(max-width:768px){.ssy-media-list{grid-template-columns:1fr;}}
.ssy-media-list .list-item{background:#fff;border:1px solid var(--xcl-border);border-radius:var(--xcl-radius-sm);overflow:hidden;transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column;}
.ssy-media-list .list-item:hover{transform:translateY(-3px);box-shadow:var(--xcl-shadow-hover);}
.ssy-media-list .item-media{position:relative;width:100%;padding-top:52%;background:var(--xcl-bg-2);overflow:hidden;}
.ssy-media-list .item-media mip-img,.ssy-media-list .item-media img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;}
.ssy-media-list .item-content{flex:1;padding:14px 16px 16px;display:flex;flex-direction:column;}
.ssy-media-list .item-content h4{margin:0 0 8px;font-size:16.5px;line-height:1.5;font-weight:700;}
.ssy-media-list .item-content h4 a{color:var(--xcl-ink);}
.ssy-media-list .item-content h4 a:hover{color:var(--xcl-primary);}
.ssy-media-list .item-content .description{margin:0 0 10px;color:var(--xcl-muted);font-size:13.5px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ssy-media-list .item-content p:last-child{margin:auto 0 0;color:var(--xcl-muted);font-size:12.5px;}

/* ===== 文字列表（热门/侧栏/首页）===== */
.ssy-text-list{list-style:none;margin:0;padding:0;}
.ssy-text-list .list-item{border-bottom:1px dashed var(--xcl-border);}
.ssy-text-list .list-item:last-child{border-bottom:none;}
.ssy-text-list .list-item a{display:block;padding:11px 4px 11px 16px;color:var(--xcl-ink-2);font-size:14.5px;position:relative;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ssy-text-list .list-item a::before{content:'';position:absolute;left:2px;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--xcl-cyan);}
.ssy-text-list .list-item a:hover{color:var(--xcl-primary);padding-left:20px;}

/* ===== 文章详情页 ===== */
.ssy-detail-heading{padding:6px 0 14px;border-bottom:1px solid var(--xcl-border);margin-bottom:18px;}
.ssy-detail-title{font-size:28px;line-height:1.4;font-weight:800;color:var(--xcl-ink);margin:0 0 14px;}
.ssy-detail-heading .clearfix{font-size:13px;color:var(--xcl-muted);}
.ssy-detail-heading .clearfix .list-inline-item{margin-right:14px;}
.ssy-detail-body{font-size:16.5px;line-height:1.95;color:var(--xcl-ink-2);word-break:break-word;}
.ssy-detail-body p{margin:0 0 18px;}
.ssy-detail-body h2,.ssy-detail-body h3,.ssy-detail-body h4{color:var(--xcl-ink);font-weight:800;margin:28px 0 14px;padding-left:14px;position:relative;line-height:1.5;}
.ssy-detail-body h2{font-size:22px;}
.ssy-detail-body h3{font-size:19px;}
.ssy-detail-body h2::before,.ssy-detail-body h3::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--xcl-grad);}
.ssy-detail-body img,.ssy-detail-body mip-img{display:block;max-width:100%;height:auto;margin:18px auto;border-radius:10px;box-shadow:0 4px 16px rgba(16,80,130,.10);}
.ssy-detail-body a{color:var(--xcl-primary);border-bottom:1px solid rgba(14,126,193,.3);}
.ssy-detail-body a:hover{border-bottom-color:var(--xcl-cyan);}
.ssy-detail-body blockquote{margin:20px 0;padding:14px 18px;border-left:4px solid var(--xcl-cyan);background:linear-gradient(90deg,rgba(18,179,201,.08),rgba(18,179,201,.02));border-radius:0 10px 10px 0;color:var(--xcl-ink-2);}
.ssy-detail-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.ssy-detail-body table th,.ssy-detail-body table td{border:1px solid var(--xcl-border-2);padding:9px 12px;text-align:left;}
.ssy-detail-body table th{background:var(--xcl-bg-2);color:var(--xcl-ink);font-weight:700;}
.ssy-detail-body table tr:nth-child(even) td{background:#fafdfe;}
.ssy-detail-body code,.ssy-detail-body pre{background:#f3f7fa;color:#0b659c;border-radius:6px;padding:2px 6px;font-family:Consolas,Menlo,monospace;font-size:13.5px;}
.ssy-detail-body pre{padding:14px;overflow:auto;}

/* ===== 标签 chips ===== */
.ssy-tags-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.ssy-tags-list .tags-item{margin:0;}
.ssy-tags-list .tags-link{display:inline-block;padding:5px 13px;font-size:13px;color:var(--xcl-primary);background:rgba(14,126,193,.08);border:1px solid rgba(14,126,193,.22);border-radius:20px;transition:all .15s;}
.ssy-tags-list .tags-link:hover{background:var(--xcl-grad);color:#fff;border-color:transparent;}

/* ===== 详情页底部：上下篇 + 作者盒 ===== */
.ssy-box-footer{margin-top:8px;}
.ssy-page .page-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:0;padding:0;}
.ssy-page .page-item{background:#fff;border:1px solid var(--xcl-border);border-radius:var(--xcl-radius-sm);padding:14px 16px;transition:all .15s;}
.ssy-page .page-item:hover{box-shadow:var(--xcl-shadow-hover);border-color:var(--xcl-cyan);}
.ssy-page .page-item p{font-size:12.5px;color:var(--xcl-muted);margin:0 0 4px;}
.ssy-page .page-item.item-down{text-align:right;}
.ssy-page .page-item .item-link{color:var(--xcl-ink);font-weight:600;font-size:14.5px;}
.ssy-page .page-item .item-link:hover{color:var(--xcl-primary);}
.xcl-author-box{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,rgba(14,126,193,.06),rgba(18,179,201,.06));border:1px solid var(--xcl-border);border-radius:var(--xcl-radius-sm);padding:16px 18px;margin-top:22px;}
.xcl-author-box .xcl-avatar{width:46px;height:46px;border-radius:50%;background:var(--xcl-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:none;}
.xcl-author-box .xcl-meta{font-size:13.5px;color:var(--xcl-muted);}
.xcl-author-box .xcl-meta b{color:var(--xcl-ink);font-size:15px;}
.xcl-related{margin-top:22px;}
.xcl-related .xcl-related-title{font-size:17px;font-weight:800;color:var(--xcl-ink);margin:0 0 14px;padding-left:14px;position:relative;}
.xcl-related .xcl-related-title::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:5px;border-radius:3px;background:var(--xcl-grad);}
.xcl-related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.xcl-related li a{display:block;padding:12px 14px;background:#fff;border:1px solid var(--xcl-border);border-radius:var(--xcl-radius-sm);color:var(--xcl-ink-2);font-size:14px;transition:all .15s;}
.xcl-related li a:hover{color:var(--xcl-primary);border-color:var(--xcl-cyan);transform:translateX(2px);}
@media(max-width:768px){.xcl-related ul{grid-template-columns:1fr;}.ssy-page .page-list{grid-template-columns:1fr;}}

/* ===== 侧栏卡片 ===== */
.ssy-box.side .ssy-box-body{padding:10px 14px;}

/* ===== 分页 ===== */
.pagination,.xcl-pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;list-style:none;padding:0;}
.pagination li a,.pagination .page-link{display:inline-block;min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--xcl-border-2);border-radius:8px;color:var(--xcl-ink);background:#fff;}
.pagination li a:hover,.pagination .active a{background:var(--xcl-grad);color:#fff;border-color:transparent;}

/* ===== 首页板块 ===== */
.carousel mip-carousel{border-radius:var(--xcl-radius);overflow:hidden;box-shadow:var(--xcl-shadow);}
.news-top-right .ssy-box-body{padding:8px 14px;}
.news-top-right{margin-bottom:22px;}
.col-lg-4 .ssy-box{margin-bottom:22px;}

/* ===== 页脚 ===== */
.mipui-footer{background:linear-gradient(135deg,#0b3a57,#0e5d77);color:#cfe3ee;margin-top:10px;padding:26px 0 18px;}
.mipui-footer .mip-footer{color:#a9c7d6;font-size:13px;line-height:1.9;}
.mipui-footer .mip-footer a{color:#e6f4fa;}
.mipui-footer .mip-footer a:hover{color:#fff;}

/* ===== 通用按钮 ===== */
.xcl-btn{display:inline-block;padding:9px 20px;border-radius:22px;background:var(--xcl-grad);color:#fff;font-weight:700;font-size:14px;box-shadow:0 6px 16px rgba(14,126,193,.28);}
.xcl-btn:hover{color:#fff;opacity:.94;}

/* ===== 小屏修正 ===== */
@media(max-width:768px){.ssy-detail-title{font-size:22px;}.mipjz-header-nav .nav-item-link{padding:12px 13px;font-size:14px;}}

/* ===== 首页精选推荐（独立类名 xcl-fcard*，避免与 .ssy-media-list 冲突）===== */
.xcl-featured{margin-bottom:26px;}
.xcl-featured .ssy-box-heading{display:flex;justify-content:space-between;align-items:center;}
.xcl-featured .ssy-box-heading .more{font-size:13px;color:var(--xcl-muted);text-decoration:none;}
.xcl-featured .ssy-box-heading .more:hover{color:var(--xcl-primary);}
.xcl-featured-list{display:grid !important;grid-template-columns:repeat(3,1fr) !important;gap:18px !important;list-style:none !important;padding:0 !important;margin:0 !important;}
.xcl-fcard{border:1px solid var(--xcl-border);border-radius:10px;overflow:hidden;background:#fff;display:block !important;transition:transform .2s ease,box-shadow .2s ease;}
.xcl-fcard:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(16,80,130,.14);}
.xcl-fcard-link{display:block !important;color:inherit;text-decoration:none;}
.xcl-fcard-media{position:relative !important;height:170px !important;padding:0 !important;margin:0 !important;background:var(--xcl-grad) !important;display:flex !important;align-items:center;justify-content:center;overflow:hidden;}
.xcl-fcard-img{width:100% !important;height:100% !important;object-fit:cover !important;display:block;}
.xcl-fcard-fallback{color:rgba(255,255,255,.94);font-size:34px;font-weight:800;letter-spacing:8px;text-shadow:0 2px 8px rgba(0,0,0,.18);}
.xcl-fcard-body{padding:14px 16px !important;display:flex !important;flex-direction:row !important;align-items:flex-start;gap:10px;}
.xcl-fcard-tag{flex:0 0 auto;display:inline-block;background:var(--xcl-grad);color:#fff;font-size:11px;padding:3px 8px;border-radius:3px;letter-spacing:1px;line-height:1.4;white-space:nowrap;}
.xcl-fcard-title{font-size:15px !important;font-weight:600;margin:0 !important;line-height:1.45;flex:1;min-width:0;color:var(--xcl-ink);display:block !important;white-space:normal !important;word-break:normal !important;overflow:hidden;text-overflow:ellipsis;display:-webkit-box !important;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
@media(max-width:992px){.xcl-featured-list{grid-template-columns:repeat(2,1fr) !important;}}
@media(max-width:600px){.xcl-featured-list{grid-template-columns:1fr !important;}.xcl-fcard-media{height:140px !important;}}

/* ===== 分类文字列表首条突出 ===== */
.ssy-text-list .list-item:first-child a{font-weight:700;font-size:15.5px;color:var(--xcl-ink);}
.ssy-text-list .list-item:first-child a::before{background:var(--xcl-grad);width:8px;height:8px;}

/* ===== 顶部 banner 高度限制 ===== */
.mipjz-header-top .top-banner{max-height:60px;display:flex;align-items:center;overflow:hidden;}
.mipjz-header-top .top-banner mip-img,.mipjz-header-top .top-banner img,.mipjz-header-top .top-banner a{max-height:50px;width:auto;max-width:100%;height:auto;display:block;}