:root{--ink:#182432;--gold:#c69d57;--pale:#edf2f5}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:14px;line-height:1.75;background:#fff}header{height:72px;padding:8px 5.2%;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{width:205px;height:54px;display:block}nav{display:flex;gap:26px;align-items:center}nav a{font-size:13px;color:inherit;text-decoration:none;white-space:nowrap}.active{color:var(--gold);border-bottom:2px solid var(--gold);padding-bottom:10px}.lang{font-size:12px;white-space:nowrap}.lang b{color:var(--gold);font-weight:400}.hero{height:296px;position:relative;overflow:hidden;background:#b7d7ef}.hero-photo{position:absolute;width:67%;height:100%;right:0}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#b7d7ef 18%,#b7d7efb3 31%,transparent 54%)}.hero-copy{position:relative;z-index:1;padding:111px 8.5% 0}h1{font-size:40px;font-weight:400;letter-spacing:1px;line-height:1.35;margin:0 0 5px}.hero p{font-size:18px;margin:0}.rule{width:35px;height:2px;background:var(--gold);margin-top:16px}main h2{font-size:28px;line-height:1.4;font-weight:500;margin:0 0 30px}main h2:after{content:"";display:block;background:var(--gold);height:2px;width:35px;margin-top:12px}.intro{padding:30px 0 29px 5.3%;display:grid;grid-template-columns:43% 1fr;gap:30px;min-height:401px}.intro h2{margin-bottom:24px}.intro p{margin:0 0 21px}.intro p:last-child{margin-bottom:0}.intro-photo{width:100%;height:343px;display:block}.band{background:var(--pale);padding:29px 5.3% 31px}.band h2{margin-bottom:13px}.mission-grid{display:grid;grid-template-columns:0.8fr 1fr;gap:20px}.panel{background:#fff;padding:22px 25px;display:grid;grid-template-columns:48px 1fr;gap:20px;min-height:192px}.icon{color:var(--gold);font-family:Arial;font-size:43px;line-height:1.2}.panel h3{font-size:21px;line-height:1.4;font-weight:500;margin:0 0 13px}.panel h3:after{content:"";display:block;width:34px;height:2px;background:var(--gold);margin-top:13px}.panel p{margin:0;line-height:1.9}.directions{padding:27px 5.3% 23px}.directions h2{margin-bottom:16px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.direction{display:grid;grid-template-columns:46px 1fr;gap:16px;padding-right:14px;min-height:128px}.direction+.direction{border-left:1px solid #ccd3d9;padding-left:23px}.num{font-family:Georgia,serif;font-style:italic;color:var(--gold);font-size:43px;line-height:1.2}.direction h3{font-size:16px;font-weight:500;margin:9px 0 16px;white-space:nowrap}.direction h3:after{content:"";display:block;width:26px;height:2px;background:var(--gold);margin-top:13px}.direction p{font-size:13px;margin:0;line-height:1.9}.cta{background:var(--pale);padding:24px 5.3% 16px}.cta h2{margin-bottom:9px}.cta p{margin:0 0 12px}.button{display:inline-flex;gap:32px;align-items:center;color:white;background:#303a43;border:0;border-radius:3px;padding:7px 22px;font:inherit;text-decoration:none}.button span{color:var(--gold);font-size:25px;line-height:1}footer{padding:16px 5.3% 8px;font-size:11px;color:#626c76}.foot{display:grid;grid-template-columns:270px 1fr 1fr 2fr;gap:20px}.foot>div+div{border-left:1px solid #d9dfe4;padding-left:20px}.foot .logo{width:205px;height:54px}.tagline{font-size:10px;margin-top:0}.contact{padding-top:7px;display:flex;align-items:flex-start;gap:12px}.contact i{font-style:normal;color:var(--gold);font-size:18px}.contact a{color:inherit;text-decoration:none}.copy{font-size:10px;margin-top:10px}body{max-width:1440px;margin:auto}@media(min-width:1100px){.intro{gap:42px}.hero-copy{padding-top:100px}.panel{padding:26px}.intro p{font-size:15px}.intro-photo{height:360px}.hero{height:330px}}@media(max-width:800px){header{height:auto;flex-wrap:wrap;padding:12px 5%}nav{gap:14px;flex-wrap:wrap;order:3;width:100%}.hero{height:270px}.hero-copy{padding:80px 6% 0}h1{font-size:31px}.hero p{font-size:15px}.intro{padding:26px 5%;grid-template-columns:1fr}.intro-photo{height:auto}.mission-grid,.three{grid-template-columns:1fr}.direction+.direction{padding-left:0;border-left:0;border-top:1px solid #ddd;padding-top:20px}.foot{grid-template-columns:1fr 1fr}.foot>div+div{border-left:0;padding-left:0}.panel{min-height:0}main h2{font-size:26px}}@media print{body{max-width:none}header{break-inside:avoid}.panel,.direction{break-inside:avoid}} .hero-photo{width:100%;height:100%;inset:0;object-fit:cover;object-position:center}.hero:after{display:none}.hero-copy{padding-top:108px}.intro-photo{object-fit:cover;object-position:center;opacity:1;mask:none}.logo{object-fit:contain;width:165px;height:62px}header{height:78px}.intro{align-items:start}@media(min-width:1100px){.intro-photo{height:360px}}@media(max-width:800px){.hero-copy{padding-top:80px}.intro-photo{height:auto;width:100%}} .copy{display:flex;justify-content:space-between;align-items:center;gap:24px}.privacy-link{color:inherit;text-decoration:none;white-space:nowrap}.privacy-link:hover{text-decoration:underline}@media(max-width:600px){.copy{align-items:flex-start;flex-wrap:wrap;gap:8px}} 
/* Final proportion adjustment: show entire original hero image, never crop roof. */
.hero{height:auto!important;aspect-ratio:2022/778;min-height:0;background:#bad4e8}
.hero-photo{width:100%;height:100%;object-fit:contain!important;object-position:center top!important}
.hero-copy{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:0 8.5%!important}
footer{padding:36px 5.3% 24px;font-size:12px;line-height:1.9}
.foot{grid-template-columns:1.15fr .85fr 1fr 1.75fr;gap:28px;align-items:center;min-height:94px}
.foot>div+div{padding-left:25px}
.foot .logo{width:175px;height:74px}
.contact{padding-top:0;gap:12px}
.copy{padding-top:22px;margin-top:25px;border-top:1px solid #e2e7eb;font-size:11px;line-height:1.8}
@media(max-width:1000px){.foot{grid-template-columns:1fr 1fr;gap:24px}.foot>div+div{border-left:0;padding-left:0}}
@media(max-width:800px){.hero{aspect-ratio:2022/778!important;height:auto!important}.hero-copy{padding:0 5%!important}.hero h1{font-size:clamp(19px,4vw,31px)}.hero p{font-size:clamp(10px,1.9vw,15px)}.hero .rule{margin-top:9px}footer{padding:28px 5% 22px}}
@media(max-width:480px){.foot{grid-template-columns:1fr;gap:18px}.copy{margin-top:22px;padding-top:18px}}

/* 全站页面铺满浏览器宽度，取消外侧白边 */
html,body{width:100%;max-width:none!important;margin:0!important}header,main,footer{max-width:none}body{overflow-x:hidden}
header .logo{width:260px;height:56px;flex-shrink:0}.foot .logo{width:245px;height:54px}@media(max-width:600px){header .logo{width:230px;height:50px}} .brand-lockup{display:flex;align-items:center;gap:13px;flex-shrink:0;color:#143b37}.brand-symbol{display:block;width:48px;height:50px;flex-shrink:0}.brand-words{display:flex;flex-direction:column;gap:1px;white-space:nowrap}.brand-words strong{font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:24px;font-weight:700;line-height:1.4;letter-spacing:0}.brand-words span{font-family:Arial,sans-serif;font-size:11px;font-weight:500;line-height:1.6;letter-spacing:.55px;color:#657572}.foot .brand-symbol{width:43px;height:46px}.foot .brand-words strong{font-size:22px}.foot .brand-words span{font-size:10px}.foot .brand-lockup{gap:10px}@media(max-width:600px){.brand-symbol{width:43px;height:46px}.brand-words strong{font-size:22px}.brand-words span{font-size:10px}}
.service-hero{position:relative;aspect-ratio:1983/793;background:#edece8;overflow:hidden}.service-hero>img{width:100%;height:100%;object-fit:contain;display:block}.service-heading{position:absolute;left:5.3%;top:50%;transform:translateY(-50%);max-width:43%}.service-heading h1{font-size:clamp(30px,3.5vw,49px);font-weight:400;margin:0 0 16px}.service-heading p{font-size:clamp(14px,1.6vw,21px);margin:0;line-height:1.8}.service-intro{padding:38px 5.3%;background:#fff;border-bottom:1px solid #e6ebee}.service-intro p{font-size:17px;line-height:1.95;max-width:1120px;margin:0;color:#4c5965}.service-list{padding:10px 5.3% 34px;background:#f4f7f9}.service{border-bottom:1px solid #d9e0e4;background:transparent}.service summary{list-style:none;display:flex;align-items:flex-start;gap:20px;cursor:pointer;padding:28px 0;position:relative}.service summary::-webkit-details-marker{display:none}.tri{font-size:14px;color:#b28f53;display:inline-block;margin-top:6px;transition:transform .2s}.service[open] .tri{transform:rotate(90deg)}.service-num{color:#b69a64;font-size:23px;font-weight:300;line-height:1.55}.service h2{font-size:24px;font-weight:400;margin:0 0 7px;line-height:1.5}.service h2:after{display:none}.service summary p{margin:0;color:#64717c;font-size:15px;line-height:1.8}.service summary:focus-visible{outline:2px solid #008f95;outline-offset:4px}.service-content{margin:0 0 25px 62px;padding:5px 27px 16px;border-left:2px solid #cfb787;background:#fff}.service-content article{padding:17px 0;border-bottom:1px solid #edf0f2}.service-content article:last-child{border-bottom:0}.service-content h3{font-size:17px;font-weight:500;margin:0 0 7px}.service-content p{font-size:15px;color:#586673;line-height:1.9;margin:0}.service-end{padding:30px 5.3% 38px;display:flex;align-items:center;gap:38px;background:#fff}.service-note{font-size:13px;line-height:1.9;color:#697680;margin:0;flex:1}.service-end .button{white-space:nowrap}.button:hover{background:#44545e}footer{border-top:1px solid #e2e7eb}html,body{max-width:none!important;width:100%;margin:0!important}header,footer,main{max-width:none}@media(max-width:800px){.service-hero{aspect-ratio:1.8}.service-hero>img{object-fit:cover;object-position:35% center}.service-heading{max-width:57%}.service-heading h1{font-size:29px}.service-heading p{font-size:14px}.service-intro{padding:26px 5.3%}.service-intro p{font-size:15px}.service summary{gap:12px;padding:24px 0}.service h2{font-size:20px}.service summary p{font-size:14px}.service-content{margin-left:25px;padding:0 18px 10px}.service-end{flex-direction:column;align-items:flex-start;gap:20px}}
.brand-home{color:inherit;text-decoration:none;display:block;flex-shrink:0}header{position:sticky;top:0;z-index:50;background:#fff}#privacy-dialog{border:1px solid #dce3e7;border-radius:5px;max-width:460px;padding:28px;color:#253340;font:inherit}#privacy-dialog::backdrop{background:#15222e66}#privacy-dialog button{font:inherit;padding:7px 20px;border:0;background:#303a43;color:white;border-radius:3px;cursor:pointer} 
/* Shared internal-page banner grid: exact same title anchor across all five pages. */
.hero,.service-hero{height:auto!important;aspect-ratio:2022/778!important;position:relative}
.hero-copy,.service-heading{position:absolute!important;left:8.5%!important;top:50%!important;right:auto!important;bottom:auto!important;inset:auto!important;left:8.5%!important;top:50%!important;transform:translateY(-48px)!important;padding:0!important;margin:0!important;display:block!important;width:46%!important;max-width:46%!important;height:auto!important}
.hero-copy h1,.service-heading h1{font-size:40px!important;font-weight:400!important;letter-spacing:1px!important;line-height:1.35!important;margin:0 0 10px!important}
.hero-copy p,.service-heading p{font-size:18px!important;line-height:1.8!important;margin:0!important}
.hero-copy .rule,.service-heading .rule{margin-top:16px!important}
@media(max-width:800px){.hero-copy,.service-heading{left:6%!important;top:50%!important;transform:translateY(-32px)!important;width:57%!important;max-width:57%!important}.hero-copy h1,.service-heading h1{font-size:clamp(21px,4vw,31px)!important;margin-bottom:7px!important}.hero-copy p,.service-heading p{font-size:clamp(11px,1.9vw,15px)!important;line-height:1.65!important}.hero-copy .rule,.service-heading .rule{margin-top:9px!important}}

/* Full-bleed photos: cover the banner at every viewport, with no side gaps. */
.hero-photo,.service-hero>img,.home-hero>img{width:100%!important;height:100%!important;object-fit:cover!important;object-position:center top!important;display:block!important}
.hero,.service-hero,.home-hero{width:100%;overflow:hidden}

/* Approved restrained brightness and readable neutral typography. */
:root{--ink:#26323d;--pale:#f0f3f5}
body{color:#26323d;background:#fff}
header,.panel,.form-card,.business,.scene-card{background:#fff!important}
.home-section:not(.advantages),.directions,.scene-section,.project-process{background:#fafbfc}
.advantages,.band,.service-list,.contact-layout,.energy-invite,.engineering-invite,.cta{background:#f0f3f5!important}
.service-intro,.intro,.home-cta,.service-end{background:#fff}
.cardbody p,.lead,.adv p,.step p,.cta-copy p,.three p,.scene-card p,.service-intro p,.service summary p,.service-content p,.engineering-items li,.contact-row p,.consent,.energy-invite p,.engineering-invite p{color:#4f5d69!important}
.service-note,footer,.contact a,.brand-words span{color:#586570!important}
.field input::placeholder,.field textarea::placeholder{color:#697680;opacity:1}
.foot,.copy{color:#586570}