
: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}}

.home-hero{position:relative;aspect-ratio:1942/809;overflow:hidden}.home-hero>img{width:100%;height:100%;object-fit:contain;display:block}.home-copy{position:absolute;left:6.5%;top:19%;width:43%}.home-copy h1{font-size:clamp(25px,3.6vw,50px);font-weight:400;line-height:1.45;margin:0 0 15px}.home-copy p{font-size:clamp(12px,1.35vw,18px);line-height:1.8;margin:0 0 20px}.home-section{padding:34px 4.8%}.home-section h2{margin-bottom:14px}.lead{margin:0 0 18px;color:#5e6974}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.business{border:1px solid #e5e9ec;display:flex;flex-direction:column;color:inherit;text-decoration:none}.business .visual{height:220px;position:relative;overflow:hidden}.visual>img,.visual>svg{width:100%;height:100%;object-fit:cover;display:block}.visual>img{object-position:center}.cardbody{padding:18px;display:flex;flex-direction:column;flex:1}.cardbody h3{font-size:21px;margin:0 0 8px;font-weight:500}.cardbody p{color:#5e6974;margin:0 0 17px;font-size:15px;line-height:1.8}.cardbutton{border:1px solid #ddc7a4;border-radius:3px;display:inline-flex;align-self:flex-start;gap:20px;padding:7px 16px;margin-top:auto;font-size:14px}.cardbutton b{color:var(--gold);font-weight:400}.badge{position:absolute;bottom:8px;left:12px;background:#0395a5;color:white;font-size:12px;padding:1px 10px;border-radius:3px}.advantages{background:#f0f5f8}.four{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.adv{text-align:center;padding:0 10px}.adv+.adv{border-left:1px solid #dce2e7}.adv svg{width:44px;height:44px;margin:5px auto 8px;display:block;fill:none;stroke:var(--ink);stroke-width:1.5}.adv h3{font-size:18px;font-weight:500;margin:6px 0}.adv p{font-size:14px;color:#606d79;line-height:1.8;margin:0}.step{position:relative;padding-right:16px}.step:not(:last-child):after{content:'→';position:absolute;right:-10px;top:49px;color:var(--gold);font-size:25px}.step .num{font-family:Arial;font-style:normal;font-weight:300;font-size:39px}.step h3{margin:2px 0 6px;font-weight:500;font-size:19px}.step p{color:#606d79;font-size:14px;margin:0}.home-cta{position:relative;min-height:255px;padding:30px 5%;overflow:hidden}.meeting{position:absolute;right:0;top:0;width:54%;height:100%}.meeting svg{width:100%;height:100%;display:block}.meeting:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,white,transparent 33%)}.cta-copy{position:relative;z-index:1;width:49%}.cta-copy h2{font-size:27px;margin-bottom:12px}.cta-copy p{color:#606d79;margin:0 0 17px;font-size:14px}.button:hover{background:#435361}.business:hover{border-color:#b99a63}footer{border-top:1px solid #e5e9ec}
@media(max-width:800px){.home-copy{top:12%;left:5%;width:46%}.home-copy h1{font-size:clamp(20px,4vw,32px);margin-bottom:8px}.home-copy p{font-size:11px;margin-bottom:10px}.home-copy .button{font-size:12px;padding:5px 12px;gap:8px}.cards{grid-template-columns:1fr}.business .visual{height:260px}.four{grid-template-columns:repeat(2,1fr);gap:25px}.adv+.adv{border-left:0}.home-cta{padding:25px 5%}.cta-copy{width:100%}.meeting{position:relative;width:100%;height:250px;margin-top:20px}.meeting:after{display:none}}@media(max-width:480px){.home-hero{aspect-ratio:1.4}.home-hero>img{object-fit:cover;object-position:35% center}.home-copy{top:13%;width:62%}.four{grid-template-columns:1fr}.step:not(:last-child):after{display:none}}

/* 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}

html,body{width:100%;max-width:none!important;margin:0!important;padding:0!important}
.meeting>img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.business .visual{height:auto;aspect-ratio:3/2}
footer{padding:36px 5.3% 24px;line-height:1.9}.foot{min-height:94px}.copy{padding-top:22px;margin-top:25px}
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}}.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} 
/* 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}
