:root{
  --crimson:#dc2751;--dark:#1b1b1b;--gray:#727272;--gray-2:#5c5c5c;--gray-3:#999;
  --bg:#f0f0f3;--white:#fff;--line:rgba(0,0,0,.05);--footer:#101010;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","微软雅黑",sans-serif;color:var(--gray);font-size:16px;line-height:1.8;background:var(--white);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px}

/* ---- 导航 ---- */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--white);border-bottom:1px solid var(--line);height:92px;display:flex;align-items:center}
.navbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.navbar .logo-img img{height:60px;width:auto}
.navbar-nav{display:flex;list-style:none;gap:30px;margin:0;padding:0}
.navbar-nav .nav-link{font-size:16px;font-weight:500;color:var(--dark);letter-spacing:.5px;position:relative;padding:6px 0}
.navbar-nav .nav-link:hover{color:var(--crimson)}
.navbar-right{display:flex;align-items:center}
.navbar-right .wrap{display:flex;align-items:center;gap:10px}
.navbar-right .icon{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--crimson)}
.navbar-right .icon svg{width:18px;height:18px}
.navbar-right .text h5{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:16px;font-weight:600;color:var(--dark);margin:0;line-height:1.2}
.navbar-right .text h5 a:hover{color:var(--crimson)}
.navbar-toggler{display:none;background:none;border:0;color:var(--dark);cursor:pointer;padding:6px}
@media (max-width:991px){
  .navbar{height:auto;padding:14px 0}
  .navbar-toggler{display:block}
  .navbar-nav{display:none;flex-direction:column;gap:4px;width:100%;padding:14px 0 6px}
  .navbar-nav.show{display:flex}
  .navbar .container{flex-wrap:wrap}
  .navbar-right .text{display:none}
}

/* ---- 页头 ---- */
.page-header{background:var(--footer) url("../activity-banner.jpg") center/cover no-repeat;color:#fff;padding:150px 0 84px;text-align:center;position:relative}
.page-header::before{content:"";position:absolute;inset:0;background:rgba(16,16,16,.55)}
.page-header .container{position:relative;z-index:1}
.page-header h1,.page-header .ph-title{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:clamp(30px,4.5vw,48px);font-weight:900;color:#fff;line-height:1.3;margin-bottom:10px}
.page-header .crumbs{color:rgba(255,255,255,.55);font-size:15px;letter-spacing:.5px}
.page-header .crumbs a{color:rgba(255,255,255,.85)}
.page-header .crumbs a:hover{color:var(--crimson)}
.page-header .crumbs .sep{margin:0 10px;color:rgba(255,255,255,.35)}

/* ---- 主体 ---- */
.section{padding:90px 0}
.detail-hero img{border-radius:12px;width:100%;height:auto;object-fit:cover}
.detail-head{margin:44px 0 10px}
.detail-head .label{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:20px;color:var(--crimson);display:block;margin-bottom:10px}
.detail-head h1{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:clamp(28px,3.8vw,44px);font-weight:900;color:var(--dark);line-height:1.35;margin-bottom:18px}
.detail-head .meta{font-size:15px;color:var(--gray-3);display:flex;flex-wrap:wrap;gap:8px 24px;line-height:2}
.detail-head .meta span{display:inline-flex;align-items:center;gap:7px}
.detail-head .meta svg{width:15px;height:15px;color:var(--crimson)}
.detail-grid{display:grid;grid-template-columns:minmax(0,780px) 340px;gap:52px;margin-top:40px;align-items:start}

/* 正文排版：衬线正文 + 宽松行距 */
.article-body{font-family:"Microsoft YaHei","微软雅黑",sans-serif}
.article-body .lead{font-size:18px;line-height:2.1;letter-spacing:.3px;color:var(--dark);margin-bottom:28px;font-weight:500}
.article-body p{margin-bottom:26px;font-size:17px;line-height:2.1;letter-spacing:.3px;color:#4b4b4b}
.article-body h4{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:22px;font-weight:700;color:var(--dark);margin:42px 0 18px;line-height:1.5;letter-spacing:.3px}
.article-body h4::before{content:"";display:inline-block;width:5px;height:20px;background:var(--crimson);border-radius:3px;margin-right:12px;vertical-align:-3px}
.article-body ul{margin:0 0 26px 4px;padding:0;list-style:none}
.article-body li{position:relative;padding-left:22px;margin-bottom:12px;font-size:17px;line-height:2.1;letter-spacing:.3px;color:#4b4b4b}
.article-body li::before{content:"";position:absolute;left:2px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--crimson)}
.article-body .callout{background:var(--bg);border-left:4px solid var(--crimson);border-radius:0 12px 12px 0;padding:22px 28px;margin:30px 0;color:#5c5c5c;font-size:16px;line-height:2.1;letter-spacing:.3px}
.article-body .table-wrap{overflow-x:auto;margin:28px 0}
.article-body table{width:100%;min-width:640px;border-collapse:collapse;font-family:"Microsoft YaHei","微软雅黑",sans-serif}
.article-body th,.article-body td{border:1px solid #e6e6ea;padding:13px 15px;text-align:left;vertical-align:top;font-size:14.5px;line-height:1.9;color:#4b4b4b}
.article-body th{background:#f6f6f8;font-weight:600;color:var(--dark);white-space:nowrap}
.article-body .qa{margin:0 0 22px;padding:24px 28px;background:#f8f8fa;border-left:4px solid var(--crimson);border-radius:0 12px 12px 0}
.article-body .qa b{display:block;font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:16.5px;font-weight:600;color:var(--dark);margin-bottom:10px;line-height:1.6}
.article-body .qa p{margin:0;font-size:16px;line-height:2.05;letter-spacing:.3px;color:#5c5c5c}
.article-body

/* ---- 信息卡 ---- */
.info-card{background:var(--bg);border-radius:12px;padding:34px 28px;position:sticky;top:100px}


.info-card h5{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:18px;font-weight:700;color:var(--dark);margin-bottom:2px}
.info-card .role{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:15px;color:var(--crimson);margin-bottom:14px}
.info-card .bio{font-size:15px;color:var(--gray-2);line-height:1.95;margin-bottom:20px}
.info-card .list{border-top:1px solid var(--line);padding-top:16px;list-style:none;margin:0}
.info-card .list li{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;padding:8px 0;color:var(--gray-2)}
.info-card .list li b{font-weight:600;color:var(--dark);white-space:nowrap}
.info-card .list li span{text-align:right;color:var(--gray-2)}
.info-card .list li a{color:var(--crimson)}
.info-card .list li a:hover{text-decoration:underline}

/* ---- 相关资讯 ---- */
.related{background:var(--bg)}
.related .head{text-align:center;margin-bottom:52px}
.related .head h6{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:20px;color:var(--crimson);display:block;margin-bottom:6px;font-weight:400}
.related .head h2{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:clamp(28px,3.6vw,40px);font-weight:900;color:var(--dark)}
.related .item{background:var(--white);border-radius:12px;padding:26px 30px;margin-bottom:16px;display:grid;grid-template-columns:150px 1fr auto;gap:26px;align-items:center;transition:.35s}
.related .item:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(20,20,20,.08)}
.related .date{display:flex;align-items:center;gap:14px}
.related .date>span{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-weight:900;font-size:52px;line-height:1;color:var(--crimson)}
.related .date div{display:flex;flex-direction:column}
.related .date div span:first-child{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:17px;color:var(--dark)}
.related .date div span:last-child{font-size:13.5px;color:var(--gray-3)}
.related .text h4{font-size:19px;font-weight:600;color:var(--dark);margin-bottom:4px;line-height:1.5}
.related .text p{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:15px;color:var(--crimson);margin:0}
.related .btn-1{display:inline-flex;align-items:center;gap:8px;background:var(--crimson);color:#fff;font-size:14px;font-weight:500;padding:12px 26px;border-radius:30px;transition:.3s}
.related .btn-1:hover{background:var(--dark)}
@media (max-width:991px){
  .detail-grid{grid-template-columns:minmax(0,1fr)}
  .info-card{position:static}
  .related .item{grid-template-columns:1fr;gap:12px}
  .section{padding:60px 0}
}

/* ---- 页脚 ---- */
.footer{background:var(--footer);color:rgba(255,255,255,.6);padding:90px 0 0}
.footer .top .row{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:36px}
.footer h5{color:#fff;font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:17px;font-weight:600;margin-bottom:20px}
.footer .logo-img img{height:60px;width:auto;margin-bottom:18px}
.footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.55);margin-bottom:18px}
.footer .social{display:flex;gap:10px}
.footer .social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);transition:.3s}
.footer .social a:hover{background:var(--crimson);border-color:var(--crimson);color:#fff}
.footer .social svg{width:16px;height:16px}
.footer .list{list-style:none;margin:0}
.footer .list li{margin-bottom:12px}
.footer .list a{font-size:14.5px;color:rgba(255,255,255,.55);transition:.3s}
.footer .list a:hover{color:var(--crimson)}
.footer .phone,.footer .mail{margin-bottom:14px}
.footer .phone a{color:#fff;font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:19px;font-weight:600}
.footer .phone a:hover,.footer .mail a:hover{color:var(--crimson)}
.footer .mail a{color:rgba(255,255,255,.55)}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:60px;padding:24px 0}
.footer .bottom p{font-size:13.5px;text-align:center;margin:0;color:rgba(255,255,255,.4)}
@media (max-width:991px){
  .footer .top .row{grid-template-columns:1fr 1fr}
}
@media (max-width:575px){
  .footer .top .row{grid-template-columns:1fr}
}