*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#2b3a42;line-height:1.8;background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1220px;margin:0 auto;padding:0 24px}
/* 顶部橙边导航 */
header{background:#fff;position:sticky;top:0;z-index:30;border-top:4px solid #d2691e;box-shadow:0 2px 12px rgba(43,58,66,.1)}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{font-size:25px;font-weight:800;color:#2b3a42;display:flex;align-items:center;gap:10px}
.logo .sq{width:34px;height:34px;background:#d2691e;color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800}
.logo small{display:block;font-size:10px;color:#9aa6ac;letter-spacing:2px;font-weight:400}
.menu{display:flex;gap:2px;align-items:center}
.menu a{padding:10px 16px;font-size:15px;font-weight:600;color:#3f5159;text-transform:uppercase}
.menu a:hover,.menu a.on{color:#d2691e}
.menu .tel{margin-left:14px;background:#2b3a42;color:#fff;padding:11px 22px;font-weight:700;font-size:14px}
.menu .tel:hover{background:#d2691e;color:#fff}
.mtog{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:#2b3a42}
.mmask{position:fixed;inset:0;background:rgba(43,58,66,.98);z-index:40;display:none;flex-direction:column;align-items:center;justify-content:center;gap:20px}
.mmask.open{display:flex}.mmask a{color:#fff;font-size:20px;font-weight:600}.mmask .x{position:absolute;top:22px;right:28px;font-size:34px;color:#fff}
/* 深灰首屏 */
.hero{background:#2b3a42;color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px}
.hero::after{content:"";position:absolute;right:-60px;bottom:-60px;width:0;height:0;border-left:340px solid transparent;border-bottom:300px solid #d2691e;opacity:.16}
.hero .wrap{position:relative;z-index:2;padding:112px 24px}
.hero .kk{display:inline-block;background:#d2691e;font-size:13px;padding:7px 18px;margin-bottom:24px;letter-spacing:1px;font-weight:700}
.hero h1{font-size:50px;font-weight:800;margin-bottom:18px;line-height:1.18;max-width:720px}
.hero h1 em{font-style:normal;color:#f0a060}
.hero p{font-size:18px;opacity:.85;max-width:560px;margin-bottom:34px}
.b{display:inline-block;background:#d2691e;color:#fff;padding:15px 38px;font-weight:700;transition:.25s}
.b:hover{background:#b9591a}
.b.o{background:transparent;border:2px solid rgba(255,255,255,.5);margin-left:12px}
.b.o:hover{border-color:#d2691e;background:#d2691e}
.b.g{background:#2b3a42}.b.g:hover{background:#1d282e}
/* 内页头 */
.phead{background:#2b3a42;color:#fff;padding:64px 0;position:relative;overflow:hidden}
.phead::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px}
.phead .wrap{position:relative;z-index:2}
.phead h1{font-size:38px;font-weight:800;margin-bottom:10px}
.phead h1::before{content:"";display:inline-block;width:36px;height:5px;background:#d2691e;vertical-align:middle;margin-right:14px}
.crumb{font-size:14px;opacity:.8}
.crumb a:hover{color:#f0a060}
/* 计数器 */
.counters{background:#222e34;color:#fff}
.counters .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding:50px 24px;gap:20px}
.ct{padding-left:18px;border-left:3px solid #d2691e}
.ct .n{font-size:44px;font-weight:800;color:#f0a060}
.ct .l{font-size:14px;opacity:.78;margin-top:4px}
/* 区块 */
.sec{padding:80px 0}
.sec.alt{background:#f5f6f7}
.sh{margin-bottom:46px}
.sh .en{display:inline-block;font-size:13px;letter-spacing:3px;color:#d2691e;font-weight:800;text-transform:uppercase;border-bottom:2px solid #d2691e;padding-bottom:4px;margin-bottom:14px}
.sh h2{font-size:34px;font-weight:800;color:#2b3a42}
.sh .u{display:none}
.sh p{color:#73828a;margin-top:12px;font-size:15px;max-width:680px}
.sh.ctr{text-align:center}.sh.ctr .sh p{margin-left:auto;margin-right:auto}
/* 方正卡片 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.c{padding:32px 26px;background:#fff;border:1px solid #e4e7e9;transition:.25s;display:block;position:relative}
.c::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:#d2691e;transition:.3s}
.c:hover{box-shadow:0 16px 36px rgba(43,58,66,.14);transform:translateY(-4px)}
.c:hover::after{width:100%}
.c .ic{width:58px;height:58px;background:#2b3a42;color:#f0a060;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;margin-bottom:18px}
.c:hover .ic{background:#d2691e;color:#fff}
.c .tg{display:inline-block;font-size:12px;color:#d2691e;background:#fbeee3;padding:3px 10px;margin-bottom:10px;font-weight:600}
.c h3{font-size:18px;margin-bottom:10px;color:#2b3a42;font-weight:700}
.c p{font-size:14px;color:#73828a;line-height:1.75}
.c .more{display:inline-block;margin-top:12px;font-size:13px;color:#d2691e;font-weight:700}
/* 带图卡 */
.c.pic{padding:0;overflow:hidden}
.c.pic .ph{height:200px;overflow:hidden;background:#e9ebed}
.c.pic .ph img{width:100%;height:100%;object-fit:cover;transition:.5s;filter:saturate(.9)}
.c.pic:hover .ph img{transform:scale(1.07);filter:saturate(1.1)}
.c.pic .tx{padding:22px 26px}
/* 富文本 */
.rich{max-width:940px}
.rich p{font-size:16px;color:#46555c;margin-bottom:15px;line-height:1.95}
.rich p b{color:#d2691e}
img.full{width:100%;margin:24px 0}
/* CTA */
.band{background:#d2691e;color:#fff;padding:60px 24px;text-align:center;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;left:-40px;top:-40px;width:0;height:0;border-right:200px solid transparent;border-top:180px solid rgba(255,255,255,.1)}
.band>*{position:relative;z-index:2}
.band h3{font-size:30px;font-weight:800;margin-bottom:12px}
.band p{opacity:.92;margin-bottom:26px}
.band .b{background:#2b3a42}.band .b:hover{background:#1d282e}
/* 时间轴 */
.tl{max-width:880px;border-left:3px solid #e4e7e9;padding-left:30px}
.tl .it{position:relative;padding-bottom:30px}
.tl .it:last-child{padding-bottom:0}
.tl .it::before{content:"";position:absolute;left:-39px;top:5px;width:13px;height:13px;background:#d2691e;border:3px solid #fff;box-shadow:0 0 0 2px #d2691e}
.tl .yr{font-size:22px;font-weight:800;color:#d2691e;margin-bottom:4px}
.tl p{font-size:15px;color:#73828a}
/* FAQ */
.faq{max-width:900px}
.faq .item{border:1px solid #e4e7e9;margin-bottom:12px;overflow:hidden}
.faq .q{padding:20px 26px;font-size:16px;font-weight:700;color:#2b3a42;cursor:pointer;display:flex;justify-content:space-between;gap:14px;background:#f5f6f7}
.faq .q .pm{color:#d2691e;font-size:22px;transition:.3s}
.faq .item.open .q .pm{transform:rotate(45deg)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .4s}
.faq .item.open .a{max-height:320px}
.faq .a p{padding:18px 26px;color:#73828a;font-size:15px}
/* 招聘 */
.jobs{max-width:960px}
.jb{display:flex;justify-content:space-between;align-items:center;gap:18px;border:1px solid #e4e7e9;border-left:4px solid #d2691e;padding:24px 28px;margin-bottom:13px;transition:.25s}
.jb:hover{background:#f5f6f7;box-shadow:0 8px 22px rgba(43,58,66,.1)}
.jb h3{font-size:18px;color:#2b3a42;font-weight:700}
.jb .tags{font-size:13px;color:#9aa6ac;margin-top:5px}
.jb .pay{color:#d2691e;font-weight:800;font-size:18px;white-space:nowrap}
/* 新闻列表 */
.nlist{max-width:980px}
.ni{display:flex;gap:26px;align-items:center;border:1px solid #e4e7e9;padding:24px 28px;margin-bottom:16px;transition:.25s}
.ni:hover{box-shadow:0 12px 28px rgba(43,58,66,.12)}
.ni .date{text-align:center;background:#2b3a42;color:#fff;padding:14px 18px;white-space:nowrap}
.ni .date .d{font-size:28px;font-weight:800;color:#f0a060}
.ni .date .m{font-size:12px;opacity:.8}
.ni h3{font-size:18px;color:#2b3a42;font-weight:700;margin-bottom:6px}
.ni p{font-size:14px;color:#73828a}
.ni:hover h3{color:#d2691e}
/* 产品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:1120px;margin:0 auto}
.pd .gal img{width:100%}
.pd .thumbs{display:flex;gap:12px;margin-top:12px}
.pd .thumbs img{width:33%}
.pd h1{font-size:30px;font-weight:800;color:#2b3a42;margin-bottom:12px}
.pd .desc{color:#73828a;margin-bottom:20px;font-size:16px}
.specs{width:100%;border-collapse:collapse;border:1px solid #e4e7e9;margin-bottom:24px}
.specs td{padding:13px 16px;border-bottom:1px solid #eef0f1;font-size:14px}
.specs tr:last-child td{border-bottom:none}
.specs td:first-child{background:#f5f6f7;color:#5a6a72;width:38%;font-weight:600}
.body{max-width:960px;margin-top:30px}
.body h3{font-size:18px;color:#2b3a42;font-weight:800;margin:28px 0 12px;padding-left:14px;border-left:4px solid #d2691e}
.body h3:first-child{margin-top:0}
.body p{font-size:15.5px;color:#46555c;line-height:1.95;margin-bottom:14px}
.body img{width:100%;margin:18px 0}
/* 文章 */
.article{max-width:860px}
.ahead{border-bottom:2px solid #e4e7e9;padding-bottom:22px;margin-bottom:26px}
.ahead h1{font-size:32px;font-weight:800;color:#2b3a42;margin-bottom:12px;line-height:1.35}
.ahead .meta{font-size:13px;color:#9aa6ac}
.prevnext{display:flex;justify-content:space-between;border-top:2px solid #e4e7e9;margin-top:38px;padding-top:20px;font-size:14px;font-weight:600}
.prevnext a:hover{color:#d2691e}
/* 联系 */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:1040px}
.ci{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid #eef0f1;align-items:center}
.ci .ic{width:50px;height:50px;flex:none;background:#2b3a42;color:#f0a060;display:flex;align-items:center;justify-content:center;font-size:22px}
.ci .k{font-size:12px;color:#9aa6ac}
.ci .v{font-size:17px;color:#2b3a42;font-weight:600}
.cform input,.cform textarea{width:100%;padding:13px 16px;border:1px solid #d6dadd;margin-bottom:14px;font-family:inherit;font-size:14px}
.cform input:focus,.cform textarea:focus{outline:none;border-color:#d2691e}
.cform button{width:100%;padding:15px;border:none;background:#d2691e;color:#fff;font-size:15px;font-weight:700;cursor:pointer}
.cform button:hover{background:#b9591a}
/* 页脚 */
footer{background:#2b3a42;color:#9aa9b1;padding:54px 0 30px}
.fcols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.fcols h4{color:#fff;margin-bottom:16px;font-size:16px;border-left:3px solid #d2691e;padding-left:10px}
.fbrand{font-size:24px;font-weight:800;color:#fff;margin-bottom:14px}
.fcols p,.fcols a{font-size:14px;line-height:2;color:#9aa9b1;display:block}
.fcols a:hover{color:#f0a060}
.fbot{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;font-size:13px;color:#7c8b93;text-align:center}
/* 动效 */
.reveal{opacity:0;transform:translateY(24px);transition:.8s}
.reveal.in{opacity:1;transform:none}
@media(max-width:980px){.grid,.grid.g3{grid-template-columns:repeat(2,1fr)}.counters .wrap{grid-template-columns:repeat(2,1fr)}.fcols{grid-template-columns:1fr 1fr}}
@media(max-width:760px){
.menu{display:none}.mtog{display:block}
.hero h1{font-size:34px}.phead h1{font-size:27px}
.grid,.grid.g2,.grid.g3,.pd,.cgrid,.counters .wrap{grid-template-columns:1fr}
.ni{flex-direction:column;align-items:flex-start;gap:12px}.fcols{grid-template-columns:1fr}
}