*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Songti SC",Georgia,"Times New Roman","Microsoft YaHei",serif;color:#1a1a1a;background:#fbfaf7;line-height:1.8}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.sans{font-family:"Helvetica Neue",Arial,"Microsoft YaHei",sans-serif}
/* 报头 */
header{position:sticky;top:0;z-index:30;background:#fbfaf7}
.mast{max-width:1100px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:baseline;border-bottom:3px solid #1a1a1a}
.mast .logo{font-size:32px;font-weight:900;letter-spacing:1px}
.mast .logo em{color:#c0392b;font-style:normal}
.mast .issue{font:600 12px/1.6 Arial,sans-serif;color:#999;letter-spacing:1px;text-align:right}
.menu{border-bottom:1px solid #cfcabd;background:#fff}
.menu nav{max-width:1100px;margin:0 auto;padding:11px 24px;display:flex;gap:26px;font:700 13px Arial,sans-serif;letter-spacing:1px}
.menu a.on,.menu a:hover{color:#c0392b}
.mtog{display:none;background:none;border:none;font-size:22px;cursor:pointer}
.mmask{position:fixed;inset:0;background:#fbfaf7;z-index:40;display:none;flex-direction:column;align-items:center;justify-content:center;gap:22px}
.mmask.open{display:flex}.mmask a{font-size:22px;font-weight:900}.mmask .x{position:absolute;top:20px;right:28px;font-size:34px}
/* 头条 lead */
.lead{display:grid;grid-template-columns:1.7fr 1fr;gap:46px;padding:50px 0;border-bottom:1px solid #cfcabd}
.kicker{color:#c0392b;font:700 12px Arial,sans-serif;letter-spacing:3px;margin-bottom:14px}
.lead h1{font-size:50px;font-weight:900;line-height:1.16;margin-bottom:20px}
.lead .dek{font-size:18px;line-height:1.95;color:#333}
.lead .btns{margin-top:26px}
.side{border-left:1px solid #cfcabd;padding-left:30px}
.side h3{font:700 12px Arial,sans-serif;letter-spacing:2px;border-bottom:2px solid #1a1a1a;padding-bottom:9px;margin-bottom:6px}
.side .it{padding:13px 0;border-bottom:1px dotted #cfcabd;font-size:15.5px;display:flex;gap:12px}
.side .it span{color:#c0392b;font-weight:900;font-family:Arial,sans-serif}
/* 按钮 */
.b{display:inline-block;background:#1a1a1a;color:#fff;padding:13px 30px;font:700 14px Arial,sans-serif;letter-spacing:1px}
.b:hover{background:#c0392b}
.b.line{background:none;color:#1a1a1a;border:2px solid #1a1a1a;padding:11px 28px;margin-left:10px}
.b.line:hover{color:#c0392b;border-color:#c0392b}
/* 内页头 */
.phero{padding:48px 0 30px;border-bottom:1px solid #cfcabd}
.phero h1{font-size:44px;font-weight:900}
.phero .crumb{font:600 13px Arial,sans-serif;color:#999;letter-spacing:1px;margin-top:12px}
.phero .crumb a:hover{color:#c0392b}
/* 区块 */
.sec{padding:50px 0;border-bottom:1px solid #cfcabd}
.shead{display:flex;align-items:center;gap:18px;margin-bottom:34px}
.shead .en{font:700 11px Arial,sans-serif;letter-spacing:3px;color:#c0392b}
.shead h2{font-size:28px;font-weight:900;white-space:nowrap}
.shead::after{content:"";flex:1;height:2px;background:#1a1a1a}
.shead .dek{font:italic 15px/1.6 Georgia,serif;color:#888;white-space:nowrap}
/* 文章卡 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{border-top:3px solid #1a1a1a;padding-top:16px}
.card .kk{font:700 11px Arial,sans-serif;letter-spacing:2px;color:#c0392b;margin-bottom:9px}
.card h3{font-size:21px;font-weight:900;line-height:1.3;margin-bottom:11px}
.card p{font-size:14.5px;line-height:1.9;color:#444}
.card .more{display:inline-block;margin-top:12px;font:700 12px Arial,sans-serif;letter-spacing:1px;border-bottom:2px solid #c0392b;padding-bottom:2px}
.card.pic{border-top:none;padding-top:0}
.card.pic .ph{height:210px;overflow:hidden;margin-bottom:14px;background:#eee}
.card.pic .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(18%);transition:.5s}
.card.pic:hover .ph img{filter:none;transform:scale(1.04)}
.card.pic .tx{border-top:3px solid #1a1a1a;padding-top:14px}
/* 多栏正文 */
.cols{columns:2;column-gap:48px}
.cols.c1{columns:1;max-width:760px}
.cols p{font-size:15.5px;line-height:1.95;margin-bottom:16px;text-align:justify}
.cols .drop::first-letter{font-size:60px;float:left;line-height:.78;padding:6px 12px 0 0;font-weight:900;color:#c0392b}
.cols p b{font-weight:900}
/* 数字栏 */
.figs{display:grid;grid-template-columns:repeat(4,1fr);border-top:3px solid #1a1a1a;border-bottom:3px solid #1a1a1a}
.fig{padding:32px 18px;text-align:center;border-right:1px solid #cfcabd}
.fig:last-child{border-right:none}
.fig .num{font-size:44px;font-weight:900}
.fig .lb{font:600 13px Arial,sans-serif;color:#888;margin-top:6px}
/* 引文 / CTA */
.pull{padding:58px 24px;text-align:center;border-bottom:1px solid #cfcabd;background:#1a1a1a;color:#fff}
.pull h3{font-size:32px;font-weight:900;line-height:1.45;max-width:840px;margin:0 auto 14px}
.pull h3 span{color:#f39c12}
.pull p{font:400 16px Georgia,serif;color:#bbb;margin-bottom:24px}
.pull .b{background:#c0392b}.pull .b:hover{background:#fff;color:#1a1a1a}
/* 时间轴 */
.tl .it{display:grid;grid-template-columns:130px 1fr;gap:26px;padding:20px 0;border-bottom:1px dotted #cfcabd}
.tl .it:last-child{border-bottom:none}
.tl .yr{font-size:26px;font-weight:900;color:#c0392b}
.tl p{font-size:15.5px;line-height:1.85;color:#444}
/* FAQ */
.faq .item{border-bottom:1px solid #cfcabd}
.faq .item:first-child{border-top:3px solid #1a1a1a}
.faq .q{padding:22px 0;font-size:19px;font-weight:900;cursor:pointer;display:flex;justify-content:space-between;gap:16px}
.faq .q .pm{color:#c0392b;font-family:Arial,sans-serif}
.faq .a{max-height:0;overflow:hidden;transition:max-height .4s}
.faq .item.open .a{max-height:320px}
.faq .a p{padding-bottom:22px;color:#444;font-size:15px;line-height:1.9}
/* 招聘 */
.jb{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #cfcabd;padding:24px 0}
.jb:first-child{border-top:3px solid #1a1a1a}
.jb h3{font-size:21px;font-weight:900}
.jb .tags{font:600 13px Arial,sans-serif;color:#888;margin-top:6px}
.jb .pay{color:#c0392b;font-weight:900;font-size:19px;white-space:nowrap}
/* 新闻列表 */
.nlist .ni{display:grid;grid-template-columns:96px 1fr;gap:26px;border-bottom:1px solid #cfcabd;padding:24px 0}
.nlist .ni:first-child{border-top:3px solid #1a1a1a}
.ni .date .d{font-size:36px;font-weight:900;color:#c0392b;line-height:1}
.ni .date .m{font:600 12px Arial,sans-serif;color:#888;margin-top:4px}
.ni h3{font-size:22px;font-weight:900;margin-bottom:7px;line-height:1.3}
.ni p{font-size:14.5px;color:#444}
.ni:hover h3{color:#c0392b}
/* 产品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.pd .gal img{width:100%;border:1px solid #1a1a1a}
.pd .thumbs{display:flex;gap:12px;margin-top:12px}
.pd .thumbs img{width:33%;border:1px solid #1a1a1a}
.pd h1{font-size:34px;font-weight:900;line-height:1.2;margin-bottom:14px}
.pd .leadp{font-size:16px;color:#444;margin-bottom:18px;font-style:italic}
.specs{width:100%;border-collapse:collapse;border-top:3px solid #1a1a1a;border-bottom:3px solid #1a1a1a;margin-bottom:24px}
.specs td{padding:11px 4px;border-bottom:1px dotted #cfcabd;font-size:14px}
.specs td:first-child{color:#888;width:38%;font:600 13px Arial,sans-serif}
/* 文章正文 */
.article{max-width:780px;margin:0 auto}
.ahead{border-bottom:3px solid #1a1a1a;padding-bottom:22px;margin-bottom:28px}
.ahead h1{font-size:38px;font-weight:900;line-height:1.22;margin-bottom:12px}
.ahead .meta{font:600 13px Arial,sans-serif;color:#888;letter-spacing:1px}
.article p{font-size:16.5px;line-height:2.05;margin-bottom:18px}
.article p.drop::first-letter{font-size:62px;float:left;line-height:.78;padding:6px 12px 0 0;font-weight:900;color:#c0392b}
.article h3{font:700 13px Arial,sans-serif;letter-spacing:2px;color:#c0392b;border-bottom:1px solid #cfcabd;padding-bottom:7px;margin:32px 0 14px}
.article img{width:100%;border:1px solid #1a1a1a;margin:20px 0}
.prevnext{display:flex;justify-content:space-between;border-top:3px solid #1a1a1a;margin-top:38px;padding-top:18px;font:700 13px Arial,sans-serif}
.prevnext a:hover{color:#c0392b}
/* 联系 */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:46px}
.cinfo .ci{border-bottom:1px solid #cfcabd;padding:18px 0}
.cinfo .ci:first-child{border-top:3px solid #1a1a1a}
.ci .k{font:700 11px Arial,sans-serif;letter-spacing:2px;color:#c0392b}
.ci .v{font-size:19px;margin-top:5px}
.cform input,.cform textarea{width:100%;padding:13px 14px;border:1px solid #1a1a1a;margin-bottom:14px;font-family:inherit;font-size:14px;background:#fff}
.cform input:focus,.cform textarea:focus{outline:2px solid #c0392b}
.cform button{width:100%;padding:15px;border:none;background:#1a1a1a;color:#fff;font:700 15px Arial,sans-serif;letter-spacing:1px;cursor:pointer}
.cform button:hover{background:#c0392b}
/* 页脚 */
footer{border-top:3px solid #c0392b;background:#1a1a1a;color:#aaa;margin-top:0}
.fin{max-width:1100px;margin:0 auto;padding:46px 24px 36px}
.fbrand{font-size:28px;font-weight:900;color:#fff}
.fbrand em{color:#c0392b;font-style:normal}
.flinks{display:flex;flex-wrap:wrap;gap:18px;margin:18px 0;font:600 13px Arial,sans-serif}
.flinks a{color:#aaa}.flinks a:hover{color:#fff}
.fin .info{font-size:13px;color:#888;line-height:2}
/* 动效 */
.reveal{opacity:0;transform:translateY(24px);transition:.8s}
.reveal.in{opacity:1;transform:none}
@media(max-width:980px){.cards,.cards.c4{grid-template-columns:repeat(2,1fr)}.figs{grid-template-columns:repeat(2,1fr)}.fig:nth-child(2){border-right:none}.cols{columns:1}}
@media(max-width:720px){
.menu nav{display:none}.mtog{display:block}
.lead{grid-template-columns:1fr;gap:30px}.lead h1{font-size:34px}.side{border-left:none;padding-left:0;border-top:1px solid #cfcabd;padding-top:24px}
.phero h1{font-size:30px}.shead{flex-wrap:wrap}.shead .dek{display:none}
.cards,.cards.c2,.cards.c4,.pd,.cgrid{grid-template-columns:1fr}
.figs{grid-template-columns:1fr 1fr}
.tl .it,.nlist .ni{grid-template-columns:1fr}
}