*{margin:0;padding:0;box-sizing:border-box}
:root{--ink:#23262b;--ink2:#2c3037;--acc:#ff7a18;--bg:#f5f5f3;--mut:#6b6f76;--line:#e7e7e3}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#2b2b2b;background:var(--bg);line-height:1.7}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
/* 左侧固定栏 */
.side{position:fixed;left:0;top:0;width:240px;height:100vh;background:var(--ink);color:#cfd3da;display:flex;flex-direction:column;padding:30px 0;z-index:50;overflow-y:auto}
.side .brand{padding:0 30px 24px;font-size:21px;font-weight:800;color:#fff;border-bottom:1px solid #34373d;margin-bottom:14px;line-height:1.3}
.side .brand span{color:var(--acc)}
.side .brand small{display:block;font-size:11px;font-weight:400;color:#71757d;letter-spacing:1px;margin-top:4px}
.side nav a{display:block;padding:12px 30px;font-size:15px;border-left:3px solid transparent;color:#cfd3da;transition:.2s}
.side nav a:hover,.side nav a.on{background:var(--ink2);border-left-color:var(--acc);color:#fff}
.side nav .sub a{padding:8px 30px 8px 44px;font-size:13px;color:#9098a1}
.side nav .sub a:hover,.side nav .sub a.on{color:#fff;background:transparent;border-left-color:transparent;padding-left:42px}
.side nav .grp{padding:12px 30px 4px;font-size:12px;color:#71757d;letter-spacing:1px;margin-top:6px}
.side .sfoot{margin-top:auto;padding:18px 30px 0;font-size:12px;color:#71757d;border-top:1px solid #34373d}
.side .sfoot b{color:var(--acc);font-size:15px}
/* 移动端汉堡 */
.mtog{display:none;position:fixed;top:14px;left:14px;z-index:60;width:46px;height:46px;background:var(--ink);border:none;border-radius:8px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.mtog span{width:22px;height:2px;background:#fff;display:block}
/* 主区 */
.main{margin-left:240px;min-height:100vh}
.wrap{max-width:1100px;margin:0 auto;padding:0 60px}
/* 顶部横幅 */
.top{height:300px;background:#23262b center/cover;position:relative;display:flex;align-items:center}
.top.home{height:420px}
.top::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(35,38,43,.88),rgba(35,38,43,.35))}
.top .t{position:relative;z-index:2;color:#fff;max-width:1100px;margin:0 auto;padding:0 60px;width:100%}
.top h1{font-size:38px;font-weight:800;margin-bottom:14px;line-height:1.25}
.top.home h1{font-size:46px}
.top p{font-size:17px;opacity:.92;max-width:640px}
.top .crumb{margin-top:16px;font-size:13px;opacity:.7}
.top .crumb a{color:#fff}
.top .hbtn{display:inline-block;margin-top:22px;background:var(--acc);color:#fff;padding:13px 34px;border-radius:6px;font-weight:700}
.top .hbtn.line{background:transparent;border:1px solid rgba(255,255,255,.6);margin-left:10px}
/* 区块 */
.sec{padding:60px 0}
.sec.gray{background:#efefec}
.sec.dark{background:var(--ink);color:#dfe2e7}
.sec-h{margin-bottom:38px}
.sec-h .u{width:46px;height:4px;background:var(--acc);margin-bottom:16px}
.sec-h h2{font-size:30px;font-weight:800;color:#23262b}
.sec.dark .sec-h h2{color:#fff}
.sec-h p{color:var(--mut);margin-top:8px;font-size:15px}
.sec.dark .sec-h p{color:#9098a1}
h2.bar{font-size:26px;font-weight:800;margin-bottom:18px;position:relative;padding-left:16px}
h2.bar::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:5px;background:var(--acc)}
/* 两栏 */
.row{display:grid;grid-template-columns:1.25fr 1fr;gap:46px;align-items:center}
.row.r{grid-template-columns:1fr 1.25fr}
.row.r .txt{order:2}.row.r img{order:1}
.row img{width:100%;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
.row .en{font-size:12px;letter-spacing:2px;color:var(--acc);font-weight:700;margin-bottom:6px}
.row p{color:#444;margin-bottom:12px}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:12px 30px;border-radius:6px;font-weight:700;cursor:pointer;border:none}
.btn.ghost{background:transparent;border:1px solid var(--acc);color:var(--acc)}
.btn.dark{background:var(--ink)}
/* 卡片(图标+标题+文) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;padding:30px 26px;border-radius:10px;box-shadow:0 6px 22px rgba(0,0,0,.05);border-top:3px solid transparent;transition:.25s}
.card:hover{border-top-color:var(--acc);transform:translateY(-5px);box-shadow:0 16px 36px rgba(0,0,0,.1)}
.card .ic{width:52px;height:52px;border-radius:10px;background:var(--ink);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:8px;color:#23262b}
.card p{color:var(--mut);font-size:14px}
/* 价值/承诺 通用 emoji 卡 */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vals .v{background:#fff;padding:34px 26px;border-radius:10px;text-align:center;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.vals .v .ic{font-size:38px;margin-bottom:14px}
.vals .v h3{margin-bottom:8px;color:#23262b}
.vals .v p{color:var(--mut);font-size:14px}
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.promise .pr{background:#fff;padding:26px 22px;border-radius:10px;text-align:center;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.promise .pr .ic{font-size:30px;margin-bottom:10px}
.promise .pr h3{font-size:16px;margin-bottom:6px;color:#23262b}
.promise .pr p{color:var(--mut);font-size:13px}
/* 数字统计 */
.stats{background:var(--ink);color:#fff;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:46px 60px;border-radius:0}
.stats>div{text-align:center}
.stats .n{font-size:40px;font-weight:800;color:var(--acc)}
.stats .l{color:#c9cdd4;margin-top:6px;font-size:14px}
/* 流程 */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.process .p{text-align:center;position:relative}
.process .num{width:54px;height:54px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin:0 auto 14px}
.process .p:hover .num{background:var(--acc)}
.process h3{font-size:16px;margin-bottom:6px}
.process p{color:var(--mut);font-size:13px}
/* 产品 */
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pitem{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 6px 22px rgba(0,0,0,.05);transition:.25s}
.pitem:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(0,0,0,.1)}
.pitem .ph{height:210px;overflow:hidden}
.pitem .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.pitem:hover .ph img{transform:scale(1.06)}
.pitem .pb{padding:20px}
.pitem h3{font-size:17px;margin-bottom:8px;color:#23262b}
.pitem p{color:var(--mut);font-size:14px;margin-bottom:10px}
.more{color:var(--acc);font-weight:700;font-size:14px}
/* 产品详情 */
.pdetail{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.pdetail .big img{width:100%;border-radius:10px}
.pdetail .thumbs{display:flex;gap:10px;margin-top:12px}
.pdetail .thumbs img{width:33%;border-radius:6px}
.pdetail h1{font-size:30px;margin-bottom:12px;color:#23262b}
.pdetail .lead{color:#555;margin-bottom:18px}
.specs{width:100%;border-collapse:collapse;margin-bottom:22px}
.specs td{border:1px solid var(--line);padding:11px 14px;font-size:14px}
.specs td:first-child{background:#f3f3f0;width:38%;color:#555;font-weight:600}
.detail-body h2{font-size:22px;margin:26px 0 12px;padding-left:14px;border-left:5px solid var(--acc)}
.detail-body p{color:#444;margin-bottom:12px}
.detail-body img{width:100%;border-radius:10px;margin:14px 0}
/* 案例 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cs{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 6px 22px rgba(0,0,0,.05);transition:.25s}
.cs:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(0,0,0,.1)}
.cs .img{height:200px;overflow:hidden}
.cs .img img{width:100%;height:100%;object-fit:cover}
.cs .b{padding:20px}
.cs .tag{display:inline-block;background:#fff1e6;color:var(--acc);font-size:12px;padding:3px 12px;border-radius:20px;margin-bottom:10px;font-weight:700}
.cs h3{font-size:17px;margin-bottom:8px;color:#23262b}
.cs p{color:var(--mut);font-size:14px;margin-bottom:10px}
/* 时间轴 */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline .it{position:relative;padding:0 0 30px 30px}
.timeline .it::before{content:"";position:absolute;left:-23px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--acc);border:3px solid #fff;box-shadow:0 0 0 2px var(--acc)}
.timeline .yr{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:4px}
.timeline p{color:#555}
/* 评价 */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quotes .q{background:#fff;padding:28px;border-radius:10px;box-shadow:0 6px 22px rgba(0,0,0,.05);position:relative}
.quotes .mark{font-size:50px;color:var(--acc);line-height:.6;font-family:Georgia,serif}
.quotes .q>p{color:#444;font-size:14px;margin:8px 0 16px}
.quotes .who{display:flex;align-items:center;gap:12px}
.quotes .av{width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.quotes .who h4{font-size:15px;color:#23262b}
.quotes .who span{font-size:12px;color:var(--mut)}
/* 合作伙伴 */
.partners{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partners>div{background:#fff;height:72px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:#555;font-weight:600;box-shadow:0 4px 14px rgba(0,0,0,.04);font-size:14px}
/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq .item{background:#fff;border-radius:10px;margin-bottom:14px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.05)}
.faq .q{padding:20px 24px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#23262b}
.faq .pm{color:var(--acc);font-size:24px;transition:.3s}
.faq .item.open .pm{transform:rotate(45deg)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .35s}
.faq .item.open .a{max-height:300px}
.faq .a p{padding:0 24px 20px;color:#555}
/* 招聘 */
.welfare{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.welfare .w{background:#fff;padding:24px;border-radius:10px;text-align:center;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.welfare .w .ic{font-size:30px;margin-bottom:8px}
.welfare .w h3{font-size:15px;margin-bottom:6px}
.welfare .w p{color:var(--mut);font-size:13px}
.jobs{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.jb{background:#fff;padding:24px;border-radius:10px;box-shadow:0 6px 22px rgba(0,0,0,.05);border-left:4px solid var(--acc)}
.jb .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.jb h3{font-size:18px;color:#23262b}
.jb .pay{color:var(--acc);font-weight:800}
.jb .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.jb .tags span{background:#f3f3f0;color:#666;font-size:12px;padding:3px 10px;border-radius:4px}
.jb .desc{color:var(--mut);font-size:14px}
/* 新闻 */
.nlist .ni{display:grid;grid-template-columns:280px 1fr;gap:24px;background:#fff;border-radius:10px;overflow:hidden;margin-bottom:20px;box-shadow:0 6px 22px rgba(0,0,0,.05);transition:.25s}
.nlist .ni:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(0,0,0,.1)}
.nlist .ni .img{height:180px;overflow:hidden}
.nlist .ni .img img{width:100%;height:100%;object-fit:cover}
.nlist .ni>div:last-child{padding:24px}
.nlist .date{color:var(--acc);font-size:13px;font-weight:700;margin-bottom:8px}
.nlist .ni h3{font-size:19px;margin-bottom:10px;color:#23262b}
.nlist .ni p{color:var(--mut);font-size:14px}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news .it{background:#fff;padding:24px;border-radius:10px;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.news .it .d{color:var(--acc);font-size:13px;font-weight:700;margin-bottom:8px}
.news .it h3{font-size:17px;margin-bottom:8px;color:#23262b}
.news .it p{color:var(--mut);font-size:14px}
.article-head{border-bottom:2px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.article-head h1{font-size:30px;color:#23262b;margin-bottom:12px}
.article-head .meta{color:var(--mut);font-size:13px}
.article-body p,.detail-body p{margin-bottom:14px;color:#444}
.article-body h2{font-size:22px;margin:24px 0 12px;padding-left:14px;border-left:5px solid var(--acc)}
.article-body img{width:100%;border-radius:10px;margin:14px 0}
.prevnext{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.prevnext a{color:var(--mut)}.prevnext a:hover{color:var(--acc)}
.pager{text-align:center;margin-top:36px}
.pager a{display:inline-block;padding:8px 15px;margin:0 4px;border:1px solid var(--line);border-radius:6px;color:#555}
.pager a.on,.pager a:hover{background:var(--acc);color:#fff;border-color:var(--acc)}
/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px}
.cinfo .ci{display:flex;gap:14px;margin-bottom:22px;align-items:flex-start}
.cinfo .ic{width:46px;height:46px;border-radius:10px;background:var(--ink);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.cinfo h4{font-size:15px;color:#23262b;margin-bottom:4px}
.cinfo p{color:var(--mut);font-size:14px}
.cform input,.cform textarea{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:6px;margin-bottom:14px;font-family:inherit;font-size:14px}
.cform .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cform .row2 input{margin-bottom:0}
.cform .row2{margin-bottom:14px}
.map{margin-top:30px;height:120px;background:#e9e9e5;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#888}
/* CTA */
.cta{background:var(--ink);color:#fff;padding:50px 60px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px}
.cta h2{font-size:26px}
.cta p{opacity:.8;margin-top:6px}
/* 页脚 */
footer{background:#1b1e22;color:#9098a1;padding:50px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
.foot-grid h4{color:#fff;margin-bottom:14px;font-size:15px}
.foot-grid a{color:#9098a1;line-height:2}.foot-grid a:hover{color:var(--acc)}
.flogo{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
.foot-grid p{font-size:14px;line-height:1.9}
.copy{border-top:1px solid #2c3037;margin-top:30px;padding-top:20px;text-align:center;font-size:13px;color:#71757d}
/* 动效 */
.reveal{opacity:0;transform:translateY(26px);transition:.7s}
.reveal.in{opacity:1;transform:none}
/* 响应式 */
@media(max-width:980px){
.cards,.cards.c4,.vals,.promise,.plist,.cases,.news,.process,.partners{grid-template-columns:repeat(2,1fr)}
.row,.row.r,.pdetail,.contact-grid,.jobs,.nlist .ni{grid-template-columns:1fr}
.row.r .txt,.row.r img{order:0}
.foot-grid{grid-template-columns:1fr 1fr}
.stats{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media(max-width:760px){
.side{transform:translateX(-100%);transition:.3s}
.side.open{transform:none}
.mtog{display:flex}
.main{margin-left:0}
.wrap,.top .t,.cta,.stats{padding-left:22px;padding-right:22px}
.top h1,.top.home h1{font-size:30px}
.cards,.cards.c4,.vals,.promise,.plist,.cases,.news,.process,.partners,.foot-grid{grid-template-columns:1fr}
}