:root{--navy:#092b49;--blue:#0865ae;--cyan:#38a7cc;--text:#25405a;--muted:#586b7b;--line:#dfe7ed;--pale:#f3f7fa;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--text);font-size:16px;line-height:1.8;background:#fff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #1b83c7;outline-offset:4px}button,summary{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{color:var(--navy);line-height:1.4}h2{font-size:36px;font-weight:650;letter-spacing:-.7px}h3{font-size:22px}p{color:var(--muted)}ul{margin:18px 0;padding-left:20px}li::marker{color:var(--cyan)}.wrap{width:min(1200px,calc(100% - 80px));margin:auto}.section{padding-top:98px;padding-bottom:98px}.eyebrow{font-size:14px;letter-spacing:1.5px;font-weight:650;margin-bottom:18px}.eyebrow.blue{color:var(--blue)}.section-top{display:flex;justify-content:space-between;gap:35px;align-items:flex-end;margin-bottom:44px}.section-top>p{font-size:16px;flex-shrink:0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:11px 25px;border:1px solid transparent;border-radius:4px;font-weight:600;font-size:15px;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button.light{background:white;color:var(--navy)}.button.outline{border-color:#91acc1;color:white;background:transparent}.button.navy{background:var(--navy);color:white}.button.navy:hover{background:var(--blue)}.button.secondary{background:white;border-color:#b4c4d0;color:var(--navy)}.actions{display:flex;gap:14px;flex-wrap:wrap}.skip-link{position:fixed;top:-100px;left:20px;background:white;padding:12px;z-index:30}.skip-link:focus{top:10px}
header{height:94px;display:flex;align-items:center;gap:30px;padding:0 max(40px,calc((100vw - 1200px)/2));position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.brand{width:206px;flex-shrink:0}.logo img{width:206px;height:66px;object-fit:contain}nav{display:flex;gap:24px;margin-left:auto;align-items:center;white-space:nowrap}nav a{font-size:15px;color:#27445c}nav a:hover{color:var(--blue)}.nav-contact{font-size:15px;color:var(--blue);border:1px solid #bed2e1;padding:7px 17px;border-radius:4px;white-space:nowrap}.menu{display:none;border:1px solid var(--line);background:white;color:var(--navy);width:44px;height:44px;border-radius:4px;font-size:24px;line-height:1}
.hero{position:relative;background:var(--navy);min-height:640px;isolation:isolate;overflow:hidden}.hero-image{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,31,57,.94) 0%,rgba(5,44,75,.82) 40%,rgba(4,39,72,.28) 100%),url('./hero.jpg') center 48%/cover;z-index:-1}.hero-content{padding-top:76px;padding-bottom:40px;color:#fff}.hero .eyebrow{color:#bbdcea;display:flex;gap:26px;align-items:center}.hero .eyebrow span{font-size:14px;letter-spacing:2px;color:#dceaf1}.hero h1{font-size:58px;font-weight:650;line-height:1.35;color:white;letter-spacing:-1px;margin:22px 0}.hero p{color:#e0eaf2;font-size:19px;line-height:1.85;margin-bottom:32px}.hero-bottom{display:flex;gap:35px;margin-top:66px;padding-top:24px;border-top:1px solid #54728a;color:#c1d6e5;font-size:14px;max-width:650px}.service-strip{display:flex;justify-content:space-between;gap:20px;padding-top:28px;padding-bottom:28px;border-bottom:1px solid var(--line);color:var(--navy);font-size:15px}.service-strip span:before{content:'·';color:var(--cyan);font-weight:900;margin-right:12px}
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}.about-copy .lead{color:var(--navy);font-size:21px;margin-bottom:20px}.about-copy>p+p{margin-top:18px}.principles{display:grid;grid-template-columns:1fr 1fr;gap:30px;border-top:1px solid var(--line);padding-top:25px;margin-top:30px}.principles strong,.principles span{display:block}.principles strong{color:var(--navy);margin-bottom:7px}.principles span{font-size:15px;color:var(--muted)}
.services{background:var(--pale)}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-grid article{padding:30px;background:white;border:1px solid var(--line);border-radius:5px;display:flex;flex-direction:column;align-items:flex-start}.num{font-size:14px;color:var(--blue);border-bottom:2px solid var(--cyan);padding-bottom:8px;margin-bottom:25px}.service-grid h3{font-size:21px;margin-bottom:14px}.service-grid p{font-size:15px}.service-grid ul{font-size:15px;color:var(--muted);margin-bottom:28px}.service-grid a,.project-card>a{color:var(--blue);font-size:15px;font-weight:600;margin-top:auto}.service-grid a:hover,.project-card>a:hover{text-decoration:underline}.service-caption{margin-top:24px;font-size:15px;color:var(--muted)}
.tabs{display:flex;border-bottom:1px solid var(--line);gap:30px}.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:15px 25px;font-size:18px;color:var(--muted);margin-bottom:-1px}.tabs button[aria-selected=true]{color:var(--blue);border-color:var(--blue);font-weight:650}.industry{display:grid;grid-template-columns:1fr 1fr;gap:80px;margin-top:48px;min-height:350px}.industry-label{font-size:14px;color:var(--blue);letter-spacing:1.5px}.industry h3{font-size:31px;white-space:pre-line;margin-top:16px;margin-bottom:20px}.industry>div>p{margin-bottom:30px}.scenario-list>div{display:flex;gap:25px;padding:20px 0;border-bottom:1px solid var(--line)}.scenario-list>div:first-child{padding-top:0}.scenario-list small{color:var(--blue);font-size:14px}.scenario-list strong{color:var(--navy);font-size:17px}.scenario-list p{font-size:15px;margin-top:7px}
.projects{background:var(--pale)}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.project-card{background:white;border:1px solid var(--line);border-top:3px solid #2782b9;border-radius:5px;padding:29px;display:flex;flex-direction:column;align-items:stretch;min-height:330px}.project-meta{display:flex;justify-content:space-between;gap:15px;font-size:14px;color:var(--blue);margin-bottom:23px}.project-card h3{font-size:22px;margin-bottom:14px}.project-card h4{font-size:16px;font-weight:600;margin-bottom:12px}.project-card p{font-size:15px;margin-bottom:23px}.project-card details{border-top:1px solid var(--line);margin-bottom:24px}.project-card summary{font-size:15px;color:var(--text);padding-top:15px}.project-card ul{font-size:15px;color:var(--muted);margin-bottom:0}.section-note{margin-top:26px;font-size:14px}.client-section{border-top:1px solid #d2dfe7;margin-top:54px;padding-top:40px;display:grid;grid-template-columns:.75fr 1.25fr;gap:50px}.client-section h3{font-size:24px}.client-groups{display:grid;grid-template-columns:1fr 1fr;gap:30px}.client-groups h4{font-size:16px}.client-groups ul{padding:0;list-style:none;font-size:15px;color:var(--muted);margin:12px 0 0}.client-groups li{margin-bottom:5px}
.process{background:var(--navy);color:white}.process .eyebrow{color:#98c9e2}.process h2,.process h3{color:white}.process-intro{color:#bbcedd;max-width:780px;margin-top:24px}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:30px;margin-top:48px}.steps b{color:#74c5e2;font-size:14px;font-weight:500}.steps h3{font-size:19px;margin:16px 0 12px}.steps p{font-size:15px;color:#c3d4e2}.support-row{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;border-top:1px solid #365771;margin-top:42px;padding-top:30px}.support-row strong{font-size:16px}.support-row p{font-size:15px;color:#c3d4e2;margin-top:10px}.process-note{font-size:14px;color:#abc2d4;margin-top:25px}
.technology-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0 35px}.technology-list>div{padding:26px 0;border-bottom:1px solid var(--line)}.technology-list h3{font-size:16px;color:var(--blue);margin-bottom:8px}.technology-list strong{font-size:18px;color:var(--navy);font-weight:600}.technology-list p{font-size:15px;margin-top:9px}
.contact{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:80px}.contact h2{margin-bottom:24px}.contact>div>p{margin-bottom:30px}.phone{display:block;font-size:29px;color:var(--navy);font-weight:600;margin-bottom:8px}.email{color:var(--blue);font-size:17px;word-break:break-word}.location{display:block;color:var(--muted);font-size:15px;margin-top:22px}form{padding:32px;background:var(--pale);border:1px solid var(--line);border-radius:5px}form h3{font-size:22px;margin-bottom:24px}label{display:block;font-size:15px;color:var(--text);margin-bottom:18px}input,select,textarea{display:block;background:#fff;border:1px solid #bdcbd6;border-radius:3px;padding:11px 12px;width:100%;min-width:0;font-size:15px;line-height:1.6;color:var(--navy);margin-top:8px}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-actions{display:flex;gap:10px;flex-wrap:wrap}.form-note,#form-status{font-size:14px;margin-top:16px;line-height:1.7}#form-status{color:var(--blue)}#copy-fallback{margin-top:18px}#copy-fallback[hidden]{display:none}
footer{background:#062239;color:#dce7ed;padding:34px 0 23px}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:26px}.footer-main strong{font-size:22px;display:block}.footer-main span{font-size:12px;letter-spacing:1.5px;color:#99b6ca}.footer-main p{font-size:15px;color:#c1d1dc}.footer-main a{font-size:14px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #28475e;padding-top:20px;color:#99b6ca;font-size:14px}
@media(max-width:1150px){header{gap:20px}nav{gap:18px}.brand,.logo img{width:180px}.project-grid{grid-template-columns:repeat(2,1fr)}.section-top>p{flex-shrink:1}.steps{gap:20px}}
@media(max-width:950px){.wrap{width:calc(100% - 64px)}header{height:82px;padding:0 32px}.logo img{height:58px}.nav-contact{margin-left:auto}.menu{display:block}nav{display:none;position:absolute;top:82px;left:0;right:0;padding:18px 32px;background:#fff;box-shadow:0 12px 25px #082f481a;margin:0}nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}nav a{padding:10px 0}.hero h1{font-size:50px}.section{padding-top:74px;padding-bottom:74px}h2{font-size:31px}.about{gap:35px}.service-grid{grid-template-columns:repeat(2,1fr)}.industry{gap:40px}.industry h3{font-size:26px}.client-section{grid-template-columns:1fr;gap:25px}.contact{gap:35px}.technology-list{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(3,1fr);gap:35px}}
@media(max-width:700px){html{scroll-padding-top:92px}.wrap{width:calc(100% - 40px)}header{height:74px;padding:0 20px;gap:12px}.brand,.logo img{width:151px}.logo img{height:49px}.nav-contact{font-size:14px;padding:7px 10px}.menu{width:38px;height:38px;font-size:23px}nav{top:74px;padding:15px 20px}.hero{min-height:590px}.hero-image{background:linear-gradient(90deg,rgba(4,31,57,.95),rgba(5,44,75,.7)),url('./hero.jpg') 63% center/cover}.hero-content{padding-top:52px;padding-bottom:30px}.hero .eyebrow{flex-direction:column;align-items:flex-start;gap:5px;font-size:13px}.hero .eyebrow span{font-size:13px}.hero h1{font-size:39px;letter-spacing:-.8px;margin:24px 0}.hero p{font-size:17px}.hero-bottom{margin-top:43px;gap:20px;flex-wrap:wrap;font-size:13px;padding-top:20px}.actions .button{padding:11px 17px;font-size:14px}.service-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;font-size:13px;padding:24px 0}.service-strip span:before{margin-right:7px}.section{padding-top:58px;padding-bottom:58px}h2{font-size:28px;letter-spacing:-.5px}.eyebrow{font-size:13px;margin-bottom:14px}.section-top{display:block;margin-bottom:30px}.section-top>p{margin-top:18px;font-size:15px}.section-top>p br{display:none}.about{grid-template-columns:1fr;gap:26px}.about-copy .lead{font-size:19px}.principles{gap:20px}.principles span{font-size:14px}.service-grid{grid-template-columns:1fr;gap:15px}.service-grid article{padding:25px}.num{margin-bottom:18px}.service-grid h3{font-size:21px}.service-grid ul{margin-bottom:23px}.tabs{gap:0;justify-content:space-between}.tabs button{padding:13px 9px;font-size:16px}.industry{grid-template-columns:1fr;gap:34px;margin-top:30px;min-height:0}.industry h3{font-size:26px}.project-grid{grid-template-columns:1fr;gap:16px}.project-card{padding:25px;min-height:0}.project-card h3{font-size:21px}.project-meta{margin-bottom:20px}.client-groups{gap:20px}.client-groups ul{font-size:14px}.client-section h3{font-size:23px}.steps{grid-template-columns:1fr;gap:0;margin-top:30px}.steps>div{display:grid;grid-template-columns:34px 1fr;gap:0 12px;padding:21px 0;border-bottom:1px solid #365771}.steps b{grid-row:span 2;padding-top:3px}.steps h3{margin:0 0 7px}.support-row{grid-template-columns:1fr;gap:22px}.technology-list{grid-template-columns:1fr}.technology-list>div{padding:22px 0}.contact{grid-template-columns:1fr;gap:35px}.phone{font-size:27px}form{padding:24px}.form-row{grid-template-columns:1fr;gap:0}.form-actions .button{font-size:14px;padding:11px 17px}.footer-main{align-items:flex-start;flex-wrap:wrap}.footer-main p{width:100%;order:3}.footer-bottom{display:block;font-size:13px}.footer-bottom span{display:block;margin-top:5px}}
@media(max-width:700px){.client-groups{grid-template-columns:1fr}.client-groups ul{font-size:15px}.client-groups li{overflow-wrap:anywhere}}
@media(max-width:400px){.service-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:360px){.brand,.logo img{width:125px}.nav-contact{font-size:13px;padding:7px 8px}.hero h1{font-size:32px}.tabs button{font-size:15px;padding:13px 6px}.client-groups{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.button:hover{transform:none}}

/* 业务场景与技术演进：沿用品牌色，增加层次与阅读节奏。 */
.hero h1{font-size:52px;letter-spacing:-.8px}.hero-image{background-image:linear-gradient(90deg,rgba(4,31,57,.94) 0%,rgba(5,44,75,.82) 40%,rgba(4,39,72,.28) 100%),url('./hero.jpg')}.hero-content{position:relative}.hero .actions{margin-top:35px}.about-copy{padding-left:30px;border-left:2px solid #e0edf5}.service-grid article{position:relative;border-radius:7px;transition:border-color .2s,box-shadow .2s}.service-grid article:hover{border-color:#aacde2;box-shadow:0 8px 25px #1337540a}.topic-label{display:block;font-size:13px;font-weight:650;letter-spacing:1px;color:var(--blue);margin-bottom:16px}.evolution{padding-bottom:84px}.evolution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.evolution-grid article{padding:31px 34px;border:1px solid var(--line);border-radius:7px;background:linear-gradient(135deg,#fff,#f5f9fc)}.evolution-grid h3{font-size:23px;margin-bottom:16px}.evolution-grid p{font-size:16px}.evolution-grid details{border-top:1px solid var(--line);margin-top:25px;padding-top:16px}.evolution-grid summary{color:var(--blue);font-size:15px;font-weight:600}.evolution-grid ul{font-size:15px;color:var(--muted);margin-bottom:0}.evolution-grid li+li{margin-top:8px}.security{background:#edf4f9;border-top:1px solid #e0eaf2}.security-tabs{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}.security-tabs button{padding:11px 25px;border:1px solid #c2d7e5;border-radius:4px;font-size:16px;color:var(--text);background:transparent}.security-tabs button[aria-selected=true]{background:var(--navy);border-color:var(--navy);color:white;font-weight:600}.security-panel{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;min-height:390px;padding:40px;background:white;border:1px solid #d5e4ee;border-radius:7px}.security-intro h3{font-size:28px;line-height:1.5;margin-bottom:18px;max-width:440px}.security-intro p{font-size:16px;margin-bottom:27px}.security-work{border-left:1px solid var(--line);padding-left:34px}.security-work h4{font-size:16px;margin-bottom:12px;color:var(--blue)}.security-work ul{margin-top:0;font-size:15px;color:var(--muted)}.security-work li+li{margin-top:9px}.security-work>div+div{margin-top:27px;padding-top:23px;border-top:1px solid var(--line)}.security-brands{margin-top:29px;padding-top:24px;border-top:1px solid #d5e4ee}.security-brands>span{color:var(--muted);font-size:14px}.security-brands>div{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:13px}.security-brands strong{font-size:18px;font-weight:600;color:var(--navy)}.security-brands p{font-size:14px;margin-top:16px}.steps span{display:block;border-top:1px solid #365771;margin-top:18px;padding-top:12px;color:#8fc7de;font-size:13px;line-height:1.8}.technology-list{grid-template-columns:repeat(2,1fr);gap:0 44px}.technology-list>div{padding:29px 0}.technology-list strong{line-height:1.7;font-size:18px}.technology-list h3{font-size:15px}.technology-list p{max-width:500px}.tabs button{padding-left:18px;padding-right:18px}.industry{min-height:435px}.industry>div:first-child{padding-right:20px}.project-card{border-radius:7px}.project-card details[open] summary{color:var(--blue)}
@media(max-width:1150px){nav{gap:15px}header{gap:20px}.security-panel{gap:35px;padding:32px}.security-intro h3{font-size:26px}}
@media(max-width:950px){.hero h1{font-size:44px}.security-panel{gap:28px}.security-work{padding-left:25px}.security-tabs button{padding:11px 18px}.evolution-grid article{padding:26px}.industry{min-height:510px}.tabs{gap:10px}.tabs button{padding:15px 10px;font-size:16px}.about-copy{padding-left:24px}}
@media(max-width:700px){.hero h1{font-size:33px;line-height:1.45}.hero-image{background-image:linear-gradient(90deg,rgba(4,31,57,.95),rgba(5,44,75,.7)),url('./hero.jpg')}.hero p{font-size:16px}.hero p br{display:none}.hero .actions{margin-top:25px}.about-copy{border-left:0;padding-left:0}.evolution-grid{grid-template-columns:1fr;gap:16px}.evolution-grid article{padding:25px}.evolution-grid h3{font-size:22px}.evolution-grid p{font-size:15px}.security-tabs{display:grid;grid-template-columns:1fr 1fr;gap:9px}.security-tabs button{font-size:15px;padding:11px 8px}.security-panel{grid-template-columns:1fr;gap:28px;padding:25px;min-height:0}.security-intro h3{font-size:25px}.security-intro p{font-size:15px}.security-work{border-left:0;padding:25px 0 0;border-top:1px solid var(--line)}.security-brands>div{gap:12px 24px}.security-brands strong{font-size:16px}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:0}.tabs button{font-size:16px;padding:14px 8px}.industry{min-height:0}.industry>div:first-child{padding-right:0}.steps b{grid-row:span 3}.steps span{grid-column:2;margin-top:12px;padding-top:9px;border-top:0}.technology-list{grid-template-columns:1fr;gap:0}.technology-list strong{font-size:17px}.evolution{padding-bottom:58px}}
@media(max-width:360px){.hero h1{font-size:29px}.evolution-grid article,.security-panel{padding:22px}.security-intro h3{font-size:23px}}

.no-js .security-tabs,.no-js .tabs,.no-js .menu,.no-js #inquiry{display:none}
@media(max-width:950px){.no-js header{position:relative;height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.no-js nav{display:flex;position:static;flex-direction:row;flex-wrap:wrap;gap:8px 20px;margin:0;width:100%;order:3;box-shadow:none;padding:5px 0}.no-js nav a{padding:4px 0}}

/* 企业微信客服入口：移动端保留安全区，联系区继续保留电话与邮箱。 */
.wechat-contact[hidden],.wechat-float[hidden]{display:none!important}
.wechat-contact{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.button.wechat{gap:9px;background:#087943;color:#fff;border-color:#087943}
.button.wechat:hover{background:#066336;border-color:#066336}
.wechat-icon{width:23px;height:23px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wechat-note{font-size:14px;line-height:1.7;color:var(--muted);max-width:260px}
.wechat-float{position:fixed;right:24px;bottom:max(24px,env(safe-area-inset-bottom));z-index:25;display:flex;align-items:center;gap:10px;min-height:56px;padding:12px 20px;background:#087943;color:white;border:1px solid #087943;border-radius:28px;box-shadow:0 4px 20px #092b4924;font-size:16px;font-weight:600;line-height:1.6}
.wechat-float:hover{background:#066336;border-color:#066336}
.wechat-ready footer{padding-bottom:105px}
@media(max-width:700px){.wechat-float{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));min-height:52px;padding:10px 17px;font-size:15px}.wechat-contact{align-items:flex-start;flex-direction:column;gap:10px}.wechat-note{max-width:none}.wechat-ready footer{padding-bottom:105px}}
@media print{.wechat-float{display:none}}

/* 客户素材按原始比例呈现；项目图片来自对应案例资料。 */
.project-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.project-card{min-width:0;padding:0}
.project-card.with-image{padding:0;overflow:hidden}
.project-visual{margin:0;background:#e5eef4}
.project-visual img{display:block;width:100%;height:300px;object-fit:cover;object-position:center 35%}
.project-visual figcaption{padding:10px 30px;background:#eaf1f6;color:var(--muted);font-size:14px;line-height:1.6}
.project-copy{padding:30px}
.project-copy .project-meta{margin-bottom:20px}
.project-copy h3{font-size:25px}
.client-showcase{margin-top:65px;padding-top:50px;border-top:1px solid var(--line)}
.client-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:30px}
.client-heading h3{font-size:30px;line-height:1.5}
.client-heading .section-note{max-width:430px;margin:0;line-height:1.8}
.client-logo-title{font-size:16px;color:var(--blue);margin:30px 0 15px}
.client-logo-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;list-style:none;padding:0;margin:0}
.client-logo-grid li{min-width:0;background:white;border:1px solid #d8e4ed;border-radius:6px;padding:16px 12px 12px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:10px}
.client-logo-grid img{display:block;width:112px;max-width:100%;height:88px;object-fit:contain}
.client-logo-art{display:flex;align-items:center;justify-content:center;width:100%;height:88px}
.logo-dark .client-logo-art{width:min(100%,148px);background:#102d45;border-radius:4px;padding:10px}
.logo-dark .client-logo-art img{height:100%;width:100px}
.client-logo-grid span{font-size:14px;line-height:1.6;color:var(--text);overflow-wrap:anywhere}
.client-logo-grid.enterprise-logos{grid-template-columns:repeat(6,minmax(0,1fr))}
.client-logo-grid.enterprise-logos img{height:72px}
.enterprise-logos .client-logo-art{height:72px}
.client-section{margin-top:35px;padding-top:30px;grid-template-columns:1fr}
.client-section .client-groups{grid-template-columns:1fr 1fr;gap:45px}
.client-section .client-groups h4{font-size:16px}
.client-section .client-groups ul{columns:2;column-gap:28px;font-size:14px;line-height:1.8}
.client-section .client-groups li{break-inside:avoid;overflow-wrap:anywhere}
@media(max-width:950px){.project-visual img{height:230px}.project-copy{padding:25px}.project-copy h3{font-size:23px}.client-heading{display:block}.client-heading .section-note{margin-top:16px;max-width:none}.client-logo-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.client-logo-grid.enterprise-logos{grid-template-columns:repeat(3,minmax(0,1fr))}.client-section .client-groups ul{columns:1}}
@media(max-width:700px){.project-grid{grid-template-columns:1fr;gap:18px}.project-visual img{height:auto;aspect-ratio:16/10}.project-visual figcaption{padding:10px 24px}.project-copy{padding:24px}.project-copy h3{font-size:22px}.client-showcase{margin-top:45px;padding-top:35px}.client-heading h3{font-size:26px}.client-logo-grid,.client-logo-grid.enterprise-logos{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.client-logo-grid li{padding:14px 10px 12px;gap:8px}.client-logo-grid img{width:100px;height:80px}.client-logo-art{height:80px}.client-logo-grid.enterprise-logos img,.enterprise-logos .client-logo-art{height:68px}.logo-dark .client-logo-art img{height:100%}.client-logo-grid span{font-size:14px}.client-section .client-groups{grid-template-columns:1fr;gap:24px}.client-section .client-groups ul{font-size:15px}}

/* 微信入口融入蓝白页面：联系区浅青绿，浮动入口白底蓝字。 */
.button.wechat{background:#eaf5ef;border-color:#bcd9c9;color:#236047}
.button.wechat:hover{background:#dceee3;border-color:#91bda4;color:#1d503b}
.wechat-float{background:#fff;border-color:#c8dae6;color:var(--navy);box-shadow:0 4px 18px #092b491c}
.wechat-float .wechat-icon{color:#3b8066}
.wechat-float:hover{background:#edf5f9;border-color:#a3c2d7;color:var(--navy)}

/* 2026.10.05.3：案例前置，技术深读独立，保持蓝白品牌与紧凑客户标识。 */
.section{padding-top:80px;padding-bottom:80px}
.section-top{margin-bottom:34px}
.hero{min-height:590px}
.hero-content{padding-top:66px;padding-bottom:38px}
.hero h1{font-size:54px;line-height:1.3;max-width:850px}
.hero p{font-size:19px;max-width:680px}
.hero-bottom{max-width:790px;margin-top:48px;gap:30px}
.hero-bottom a{color:#fff;font-weight:600;letter-spacing:.3px}
.company-brief{max-width:410px;line-height:1.9}
.strength-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.strength-grid article{min-width:0;padding:8px 26px 0;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start}
.strength-grid article:first-child{padding-left:0;border-left:0}
.strength-grid article:last-child{padding-right:0}
.strength-grid article>span{font-size:14px;color:var(--blue);margin-bottom:14px}
.strength-grid h3{font-size:19px;margin-bottom:14px}
.strength-grid p{font-size:16px;line-height:1.8;margin-bottom:18px}
.strength-grid a{font-size:14px;color:var(--blue);margin-top:auto}
.project-visual img{height:250px}
.project-visual figcaption{padding:8px 26px}
.project-copy{padding:26px;display:flex;flex-direction:column;flex:1}
.project-copy .project-meta{margin-bottom:14px}
.project-copy h3{font-size:24px;margin-bottom:9px}
.project-copy h4{font-size:17px;margin-bottom:17px}
.project-card .case-context,.project-card .case-response{font-size:16px;line-height:1.85;margin-bottom:14px}
.case-context span,.case-response span{display:inline-block;margin-right:10px;color:var(--blue);font-size:14px;font-weight:600}
.project-card details{margin-top:5px;margin-bottom:18px}
.project-copy>a{color:var(--blue);font-size:15px;font-weight:600;margin-top:auto}
.project-copy>a:hover,.strength-grid a:hover{ text-decoration:underline }
.more-projects{margin-top:24px;border:1px solid #cfdfeb;border-radius:6px;background:#fff}
.more-projects>summary{padding:17px 24px;color:var(--navy);font-size:16px;font-weight:600}
.disclosure-hint{font-size:14px;font-weight:400;color:var(--muted);margin-left:20px}
.more-projects .project-grid{padding:0 24px 24px}
.more-projects .project-card{border-top-width:1px}
.client-showcase{margin-top:42px;padding-top:34px}
.client-heading{margin-bottom:22px}
.client-heading h3{font-size:27px}
.client-heading .eyebrow{font-size:14px;margin-bottom:12px}
.client-heading .section-note{max-width:420px;font-size:14px}
.service-grid{gap:18px}
.service-grid article{padding:26px}
.service-grid .num{padding-bottom:5px;margin-bottom:16px}
.service-grid h3{font-size:21px;margin-bottom:10px}
.service-grid p,.service-grid ul{font-size:16px}
.service-grid ul{margin-top:15px;margin-bottom:22px}
.technical-link{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:30px;padding:27px 30px;background:#e8f1f7;border:1px solid #d5e4ee;border-radius:6px}
.technical-link .topic-label{font-size:14px;margin-bottom:7px;letter-spacing:.5px}
.technical-link h3{font-size:23px;margin-bottom:9px}
.technical-link p{font-size:16px;max-width:700px}
.technical-link .button{flex-shrink:0}
.industry{min-height:0;margin-top:34px;gap:60px}
.industry h3{font-size:29px}
.scenario-list>div{padding:15px 0;gap:20px}
.scenario-list p{font-size:16px;margin-top:5px}
.security-panel{min-height:0;padding:32px;gap:42px}
.security-work ul{font-size:16px}
.security-intro h3{font-size:27px}
.security-brands{margin-top:24px;padding-top:22px}
.security-brands p{max-width:900px}
.process-intro{font-size:16px;margin-top:18px}
.steps{margin-top:36px}
.steps p,.support-row p{font-size:16px}
.steps span{font-size:14px}
.support-row{margin-top:30px;padding-top:25px}
.technical-intro{border-bottom:1px solid var(--line);background:linear-gradient(120deg,#fff,#f5f9fc)}
.technical-intro .back-link{display:inline-block;color:var(--blue);font-size:14px;margin-bottom:34px}
.technical-intro h1{font-size:45px;line-height:1.4;margin-bottom:22px}
.technical-intro>p{font-size:18px;line-height:1.9}
.technical-index{display:flex;gap:30px;flex-wrap:wrap;margin-top:30px;color:var(--blue);font-size:16px}
#evolution .topic-label{font-size:14px}
.contact .wechat-note{font-size:14px}
@media(max-width:1100px){.strength-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 0}.strength-grid article:nth-child(3){padding-left:0;border-left:0}.strength-grid article:nth-child(2){padding-right:0}.technical-link{align-items:flex-start;flex-direction:column;gap:20px}.industry{gap:35px}}
@media(max-width:950px){.section{padding-top:66px;padding-bottom:66px}.hero h1{font-size:46px}.hero{min-height:550px}.project-visual img{height:220px}.project-copy{padding:24px}.security-panel{gap:28px;padding:28px}}
@media(max-width:700px){.section{padding-top:54px;padding-bottom:54px}.hero{min-height:570px}.hero-content{padding-top:50px;padding-bottom:30px}.hero h1{font-size:35px;line-height:1.4;letter-spacing:-.8px}.hero p{font-size:17px}.hero-bottom{margin-top:34px;gap:12px 23px;font-size:14px}.hero-bottom span:last-child{width:100%}.hero .actions{gap:12px}.actions .button{font-size:15px}.section-top{margin-bottom:28px}.company-brief{font-size:16px!important}.strength-grid{grid-template-columns:1fr;gap:0}.strength-grid article{border-left:0;padding:22px 0;border-bottom:1px solid var(--line);position:relative}.strength-grid article:first-child{padding-top:0}.strength-grid article:last-child{border-bottom:0;padding-bottom:0}.strength-grid article>span{position:absolute;right:0;top:24px;margin:0}.strength-grid article:first-child>span{top:2px}.strength-grid h3{font-size:20px;padding-right:35px;margin-bottom:10px}.strength-grid p{margin-bottom:12px}.project-copy{padding:22px}.project-copy h3{font-size:22px}.project-visual img{height:auto;aspect-ratio:16/9}.project-visual figcaption{padding:8px 22px}.project-grid{gap:18px}.more-projects>summary{padding:16px 18px}.disclosure-hint{display:block;margin-left:20px;margin-top:3px}.more-projects .project-grid{padding:0 16px 16px}.client-heading h3{font-size:25px}.client-showcase{margin-top:35px;padding-top:30px}.service-grid article{padding:24px}.technical-link{padding:24px;gap:20px}.technical-link h3{font-size:22px}.technical-link .button{font-size:15px;width:100%}.industry{grid-template-columns:1fr;gap:28px}.industry h3{font-size:26px}.scenario-list>div{padding:15px 0}.security-panel{grid-template-columns:1fr;padding:24px;gap:24px}.security-intro h3{font-size:24px}.security-work{padding:24px 0 0}.security-work>div+div{margin-top:21px;padding-top:19px}.steps{margin-top:25px}.technical-intro h1{font-size:31px}.technical-intro>p{font-size:17px}.technical-intro>p br{display:none}.technical-index{gap:13px 24px}.technical-intro .back-link{margin-bottom:24px}}
@media(max-width:360px){.hero h1{font-size:32px}.project-copy{padding:20px}.project-copy h3{font-size:21px}.service-grid h3{font-size:20px}.security-panel{padding:22px}.more-projects>summary{font-size:15px}}