*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#37474f;line-height:1.8;background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
/* 暗色顶栏导航 */
header{background:#37474f;position:sticky;top:0;z-index:30;box-shadow:0 2px 16px rgba(38,50,56,.28)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{font-size:24px;font-weight:800;color:#fff;display:flex;align-items:center;gap:11px}
.logo .sq{width:38px;height:38px;background:#ff7043;color:#fff;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:800;border-radius:10px}
.logo small{display:block;font-size:10px;color:#90a4ae;letter-spacing:2px;font-weight:400}
.menu{display:flex;gap:4px;align-items:center}
.menu a{position:relative;padding:10px 15px;font-size:15px;font-weight:600;color:#cfd8dc}
.menu a::after{content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;background:#ff7043;transform:scaleX(0);transition:.25s}
.menu a:hover,.menu a.on{color:#fff}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu .tel{margin-left:12px;background:#ff7043;color:#fff;padding:10px 22px;font-weight:700;font-size:14px;border-radius:8px}
.menu .tel::after{display:none}.menu .tel:hover{background:#e85d28;color:#fff}
.mtog{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:#fff}
.mmask{position:fixed;inset:0;background:rgba(38,50,56,.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}
/* 斜纹深首屏 */
.hero{background:#37474f;color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0,rgba(255,255,255,.035) 2px,transparent 2px,transparent 22px)}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,112,67,.28),transparent 68%)}
.hero .wrap{position:relative;z-index:2;padding:116px 24px 130px;text-align:center}
.hero .kk{display:inline-block;background:rgba(255,112,67,.18);color:#ffab91;font-size:13px;padding:7px 20px;margin-bottom:26px;letter-spacing:1px;font-weight:700;border-radius:30px;border:1px solid rgba(255,112,67,.4)}
.hero h1{font-size:52px;font-weight:800;margin-bottom:20px;line-height:1.16;max-width:880px;margin-left:auto;margin-right:auto}
.hero h1 em{font-style:normal;color:#ff7043}
.hero p{font-size:18px;opacity:.85;max-width:600px;margin:0 auto 36px}
.b{display:inline-block;background:#ff7043;color:#fff;padding:15px 38px;font-weight:700;transition:.25s;border-radius:8px}
.b:hover{background:#e85d28;transform:translateY(-2px)}
.b.o{background:transparent;border:2px solid rgba(255,255,255,.5);margin-left:12px}
.b.o:hover{border-color:#ff7043;background:#ff7043}
.b.g{background:#37474f}.b.g:hover{background:#263238}
/* 悬浮叠加数据卡 */
.counters{max-width:1160px;margin:-66px auto 0;position:relative;z-index:6;padding:0 24px}
.counters .wrap{max-width:none;margin:0;padding:0;background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(38,50,56,.18);display:grid;grid-template-columns:repeat(4,1fr)}
.ct{text-align:center;padding:36px 18px;border-right:1px solid #eceff1}
.ct:last-child{border-right:none}
.ct .n{font-size:44px;font-weight:800;color:#ff7043;line-height:1}
.ct .l{font-size:14px;color:#78909c;margin-top:10px}
/* 内页头 */
.phead{background:#37474f;color:#fff;padding:74px 0 62px;position:relative;overflow:hidden;text-align:center}
.phead::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0,rgba(255,255,255,.035) 2px,transparent 2px,transparent 22px)}
.phead .wrap{position:relative;z-index:2}
.phead h1{font-size:38px;font-weight:800;margin-bottom:12px}
.crumb{font-size:14px;opacity:.82}
.crumb a:hover{color:#ffab91}
/* 区块 */
.sec{padding:84px 0}
.sec.alt{background:#f4f6f7}
.sh{text-align:center;margin-bottom:50px}
.sh .en{display:block;font-size:13px;letter-spacing:4px;color:#ff7043;font-weight:800;text-transform:uppercase;margin-bottom:10px}
.sh h2{font-size:34px;font-weight:800;color:#37474f}
.sh h2::after{content:"";display:block;width:54px;height:3px;background:#ff7043;border-radius:3px;margin:16px auto 0}
.sh .u{display:none}
.sh p{color:#78909c;margin-top:16px;font-size:15px;max-width:680px;margin-left:auto;margin-right:auto}
/* 圆角柔卡 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.c{padding:34px 28px;background:#fff;border:1px solid #e7ebed;border-radius:14px;transition:.28s;display:block;position:relative;overflow:hidden}
.c::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:#ff7043;transform:scaleX(0);transform-origin:left;transition:.3s}
.c:hover{box-shadow:0 18px 42px rgba(38,50,56,.13);transform:translateY(-5px);border-color:#fff}
.c:hover::before{transform:scaleX(1)}
.c .ic{width:62px;height:62px;background:#fff1ec;color:#ff7043;display:flex;align-items:center;justify-content:center;font-size:25px;font-weight:800;margin-bottom:20px;border-radius:14px;transition:.28s}
.c:hover .ic{background:#ff7043;color:#fff}
.c .tg{display:inline-block;font-size:12px;color:#ff7043;background:#fff1ec;padding:3px 11px;margin-bottom:10px;font-weight:600;border-radius:20px}
.c h3{font-size:18px;margin-bottom:10px;color:#37474f;font-weight:700}
.c p{font-size:14px;color:#78909c;line-height:1.75}
.c .more{display:inline-block;margin-top:13px;font-size:13px;color:#ff7043;font-weight:700}
/* 带图卡 */
.c.pic{padding:0;overflow:hidden}
.c.pic .ph{height:206px;overflow:hidden;background:#e7ebed}
.c.pic .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.c.pic:hover .ph img{transform:scale(1.07)}
.c.pic .tx{padding:24px 26px}
/* 富文本 */
.rich{max-width:920px;margin:0 auto}
.rich p{font-size:16px;color:#455a64;margin-bottom:15px;line-height:1.95}
.rich p b{color:#ff7043}
img.full{width:100%;margin:24px 0;border-radius:14px}
/* CTA */
.band{background:#37474f;color:#fff;padding:64px 24px;text-align:center;position:relative;overflow:hidden;border-radius:0}
.band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0,rgba(255,255,255,.035) 2px,transparent 2px,transparent 22px)}
.band::after{content:"";position:absolute;left:-90px;bottom:-90px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,112,67,.3),transparent 68%)}
.band>*{position:relative;z-index:2}
.band h3{font-size:30px;font-weight:800;margin-bottom:12px}
.band p{opacity:.9;margin-bottom:28px}
.band .b{background:#ff7043}.band .b:hover{background:#e85d28}
/* 时间轴 */
.tl{max-width:840px;margin:0 auto;border-left:3px solid #e7ebed;padding-left:32px}
.tl .it{position:relative;padding-bottom:32px}
.tl .it:last-child{padding-bottom:0}
.tl .it::before{content:"";position:absolute;left:-41px;top:5px;width:15px;height:15px;background:#ff7043;border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 2px #ff7043}
.tl .yr{font-size:22px;font-weight:800;color:#ff7043;margin-bottom:4px}
.tl p{font-size:15px;color:#78909c}
/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq .item{border:1px solid #e7ebed;border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq .q{padding:20px 26px;font-size:16px;font-weight:700;color:#37474f;cursor:pointer;display:flex;justify-content:space-between;gap:14px;background:#fafbfb}
.faq .q .pm{color:#ff7043;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:#78909c;font-size:15px}
/* 招聘 */
.jobs{max-width:940px;margin:0 auto}
.jb{display:flex;justify-content:space-between;align-items:center;gap:18px;border:1px solid #e7ebed;border-radius:12px;padding:24px 28px;margin-bottom:14px;transition:.25s}
.jb:hover{border-color:#ff7043;box-shadow:0 10px 26px rgba(38,50,56,.1)}
.jb h3{font-size:18px;color:#37474f;font-weight:700}
.jb .tags{font-size:13px;color:#90a4ae;margin-top:5px}
.jb .pay{color:#ff7043;font-weight:800;font-size:18px;white-space:nowrap}
/* 新闻列表 */
.nlist{max-width:960px;margin:0 auto}
.ni{display:flex;gap:26px;align-items:center;border:1px solid #e7ebed;border-radius:14px;padding:22px 26px;margin-bottom:16px;transition:.25s}
.ni:hover{box-shadow:0 14px 30px rgba(38,50,56,.12);border-color:#fff}
.ni .date{text-align:center;background:#37474f;color:#fff;padding:14px 18px;white-space:nowrap;border-radius:10px}
.ni .date .d{font-size:28px;font-weight:800;color:#ff8a65}
.ni .date .m{font-size:12px;opacity:.8}
.ni h3{font-size:18px;color:#37474f;font-weight:700;margin-bottom:6px}
.ni p{font-size:14px;color:#78909c}
.ni:hover h3{color:#ff7043}
/* 产品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:46px;max-width:1100px;margin:0 auto}
.pd .gal img{width:100%;border-radius:14px}
.pd .thumbs{display:flex;gap:12px;margin-top:12px}
.pd .thumbs img{width:33%;border-radius:8px}
.pd h1{font-size:30px;font-weight:800;color:#37474f;margin-bottom:12px}
.pd .desc{color:#78909c;margin-bottom:20px;font-size:16px}
.specs{width:100%;border-collapse:collapse;border:1px solid #e7ebed;border-radius:10px;overflow:hidden;margin-bottom:24px}
.specs td{padding:13px 16px;border-bottom:1px solid #eceff1;font-size:14px}
.specs tr:last-child td{border-bottom:none}
.specs td:first-child{background:#f4f6f7;color:#546e7a;width:38%;font-weight:600}
.body{max-width:940px;margin:30px auto 0}
.body h3{font-size:18px;color:#37474f;font-weight:800;margin:28px 0 12px;padding-left:14px;border-left:4px solid #ff7043}
.body h3:first-child{margin-top:0}
.body p{font-size:15.5px;color:#455a64;line-height:1.95;margin-bottom:14px}
.body img{width:100%;margin:18px 0;border-radius:14px}
/* 文章 */
.article{max-width:840px;margin:0 auto}
.ahead{border-bottom:2px solid #e7ebed;padding-bottom:22px;margin-bottom:26px;text-align:center}
.ahead h1{font-size:32px;font-weight:800;color:#37474f;margin-bottom:12px;line-height:1.35}
.ahead .meta{font-size:13px;color:#90a4ae}
.prevnext{display:flex;justify-content:space-between;border-top:2px solid #e7ebed;margin-top:38px;padding-top:20px;font-size:14px;font-weight:600}
.prevnext a:hover{color:#ff7043}
/* 联系 */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:46px;max-width:1020px;margin:0 auto}
.ci{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid #eceff1;align-items:center}
.ci .ic{width:52px;height:52px;flex:none;background:#fff1ec;color:#ff7043;display:flex;align-items:center;justify-content:center;font-size:22px;border-radius:13px}
.ci .k{font-size:12px;color:#90a4ae}
.ci .v{font-size:17px;color:#37474f;font-weight:600}
.cform input,.cform textarea{width:100%;padding:13px 16px;border:1px solid #d4dadd;border-radius:8px;margin-bottom:14px;font-family:inherit;font-size:14px}
.cform input:focus,.cform textarea:focus{outline:none;border-color:#ff7043}
.cform button{width:100%;padding:15px;border:none;border-radius:8px;background:#ff7043;color:#fff;font-size:15px;font-weight:700;cursor:pointer}
.cform button:hover{background:#e85d28}
/* 页脚 */
footer{background:#263238;color:#90a4ae;padding:56px 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;position:relative;padding-bottom:10px}
.fcols h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:#ff7043}
.fbrand{font-size:24px;font-weight:800;color:#fff;margin-bottom:14px}
.fcols p,.fcols a{font-size:14px;line-height:2;color:#90a4ae;display:block}
.fcols a:hover{color:#ff8a65}
.fbot{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:22px;font-size:13px;color:#728088;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}
.ct{border-right:none;border-bottom:1px solid #eceff1}
.ni{flex-direction:column;align-items:flex-start;gap:12px}.fcols{grid-template-columns:1fr}
}