@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');
*,::before,::after,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}html{-webkit-text-size-adjust:100%;line-height:1.5;-webkit-tap-highlight-color:transparent}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:transparent;border-radius:0}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}
:root{--ink:#202724;--graphite:#242a29;--glass:#b9c8c7;--mist:#e6eae5;--warm:#f5f3ed;--line:rgba(31,39,36,.2);--muted:#68716e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--warm);color:var(--ink);font-family:"Noto Sans SC",Arial,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(1280px,calc(100% - 80px));margin:auto}.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid rgba(255,255,255,.16);position:absolute;top:0;left:0;width:100%;z-index:5;color:#fff}.brand{color:inherit;background:0;border:0;text-align:left;display:flex;flex-direction:column;gap:1px;padding:0}.brand span{font-weight:800;font-size:18px;letter-spacing:.08em}.brand em{font-family:Inter,Manrope,sans-serif;font-style:normal;font-size:8px;letter-spacing:.22em;opacity:.75}.nav{display:flex;gap:30px}.nav button,.top-cta{color:inherit;background:transparent;border:0;font-size:13px}.nav button{opacity:.8}.nav button:hover{opacity:1}.top-cta{border:1px solid rgba(255,255,255,.45);padding:10px 14px}.top-cta span,.button span{margin-left:15px}.nav-toggle{display:none}.hero{height:min(880px,100vh);min-height:720px;background:#1d2727;position:relative;color:#fff;overflow:hidden}.hero-image,.plant-image{position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1531058020387-3be344556be6?auto=format&fit=crop&w=2400&q=90') center/cover no-repeat;filter:grayscale(.36) saturate(.55) brightness(.65)}.hero-image{transform:scale(1.02)}.hero:after,.plant-shade{position:absolute;inset:0;content:"";background:linear-gradient(90deg,rgba(16,25,25,.88),rgba(18,28,28,.28) 70%,rgba(15,20,19,.35)),linear-gradient(0deg,rgba(17,25,24,.75),transparent 45%)}.grid-overlay{position:absolute;inset:0;z-index:1;opacity:.25;background:linear-gradient(90deg,transparent 0,transparent calc(25% - 1px),rgba(255,255,255,.2) 25%,transparent calc(25% + 1px),transparent calc(50% - 1px),rgba(255,255,255,.2) 50%,transparent calc(50% + 1px),transparent calc(75% - 1px),rgba(255,255,255,.2) 75%,transparent calc(75% + 1px))}.hero-copy{position:relative;z-index:2;padding-top:218px}.eyebrow{font-family:Inter,Manrope,sans-serif;font-weight:700;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#76807c;margin:0 0 28px}.eyebrow.light{color:#d2d8d3}.hero h1,h2{margin:0;letter-spacing:-.065em;font-weight:800;line-height:1.11}.hero h1{font-size:clamp(44px,5vw,78px);max-width:930px}.hero-desc{line-height:1.85;font-size:15px;max-width:575px;margin:31px 0}.actions{display:flex;gap:12px}.button{border:1px solid rgba(255,255,255,.7);padding:14px 17px;font-weight:600;font-size:13px;background:transparent;color:#fff}.button.fill{background:#eef0e9;color:#202825;border-color:#eef0e9}.hero-products{position:absolute;z-index:2;bottom:0;left:50%;transform:translateX(-50%);display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid rgba(255,255,255,.25)}.hero-products button{color:#fff;background:rgba(22,31,31,.32);border:0;border-right:1px solid rgba(255,255,255,.25);border-top:1px solid rgba(255,255,255,.25);height:105px;text-align:left;padding:18px;font-size:16px;transition:.3s}.hero-products button:hover{background:rgba(196,211,208,.28)}.hero-products small{display:block;font-family:Inter,Manrope;font-size:10px;opacity:.6;margin-bottom:14px}.hero-products b{float:right;font-weight:400}.section{padding:150px 0}.intro{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}.intro h2,.section-heading h2,.process h2,.quality h2,.contact h2{font-size:clamp(36px,4vw,59px)}.intro-copy{font-size:17px;line-height:2;color:#4d5754;max-width:500px;padding-top:45px}.metrics{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:70px}.metrics div{padding:24px 20px 0;border-right:1px solid var(--line)}.metrics div:first-child{padding-left:0}.metrics strong{font-family:Inter,Manrope,sans-serif;letter-spacing:-.08em;font-size:clamp(42px,4.3vw,65px);font-weight:600}.metrics strong span{font-size:.42em;letter-spacing:0;color:#788a86;margin-left:2px}.metrics p{font-size:12px;color:var(--muted);margin:10px 0}.product-section{background:#c8d4d0;padding:150px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:68px}.section-heading>p{color:#4d5b57;font-size:15px;line-height:1.8;margin:0}.product-list{border-top:1px solid rgba(37,48,45,.3)}.product-row{width:100%;height:76px;border:0;border-bottom:1px solid rgba(37,48,45,.3);background:transparent;display:grid;grid-template-columns:80px 1.25fr 1fr 30px;align-items:center;text-align:left;transition:.25s;color:var(--ink)}.product-row:hover,.product-row.active{background:rgba(245,243,237,.48)}.product-row.active .p-name{padding-left:18px}.p-no{font-family:Inter,Manrope;font-size:11px;opacity:.65}.p-name{font-size:20px;font-weight:700;transition:.25s}.p-name em{display:block;font:500 9px Inter,Manrope;letter-spacing:.16em;text-transform:uppercase;color:#68716e;margin-top:4px}.p-detail{font-size:13px;color:#52605b}.p-arrow{font-size:20px}.product-detail{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;background:#e9efeb}.product-detail img{width:100%;height:440px;object-fit:cover;filter:saturate(.55)}.detail-copy{padding:55px 54px}.detail-copy h3{font-size:31px;letter-spacing:-.05em;margin:0 0 20px}.detail-copy>p:not(.eyebrow){font-size:14px;line-height:1.9;color:#56615d;max-width:430px}.spec-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line);margin:28px 0}.spec-grid span{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px;font-size:10px;color:#6c7571}.spec-grid b{display:block;color:#26312e;font-size:11px;margin-top:4px}.text-link{border:0;background:transparent;border-bottom:1px solid currentColor;padding:0 0 7px;font-size:13px;color:inherit}.text-link span{margin-left:35px}.case-section{background:var(--graphite);color:#f4f2eb}.case-section .eyebrow{color:#aebcba}.case-section .text-link{color:#f4f2eb}.case-grid{display:grid;grid-template-columns:1.18fr .82fr;grid-template-rows:280px 280px;gap:16px}.case{overflow:hidden;position:relative;background:#111}.case-1{grid-row:1/3}.case img{width:100%;height:100%;object-fit:cover;filter:grayscale(.2) saturate(.65);transition:transform .5s}.case:hover img{transform:scale(1.03)}.case:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,20,19,.88),transparent 60%)}.case-overlay{position:absolute;z-index:1;bottom:0;width:100%;padding:25px;color:#fff}.case-overlay p{margin:0 0 8px;font-size:10px;letter-spacing:.13em}.case-overlay h3{font-size:25px;letter-spacing:-.05em;margin:0 0 20px}.case-overlay div{display:flex;justify-content:space-between;font-size:11px;color:#d7dfdc}.case-note{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.22);margin-top:70px;padding-top:24px}.case-note span{font-size:14px}.case-note p{font-size:13px;line-height:1.8;color:#bdc7c3;max-width:480px;margin:0}.process-top{display:flex;justify-content:space-between}.process-top>p{max-width:350px;font-size:15px;line-height:1.9;color:#54605b;margin-top:45px}.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:100px}.steps div{border-top:1px solid var(--line);padding:18px 20px 0;position:relative}.steps div:first-child{padding-left:0}.steps span{font:600 11px Inter,Manrope;color:#68716e}.steps i{position:absolute;top:-5px;left:0;background:var(--ink);width:9px;height:9px;border-radius:50%}.steps h3{font-size:18px;margin:55px 0 12px}.steps p{font-size:13px;color:#64706b;line-height:1.7;max-width:190px}.plant{height:730px;position:relative;color:#fff}.plant-image{background-image:url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=2400&q=90');filter:grayscale(.55) saturate(.45) brightness(.57)}.plant-copy{position:relative;z-index:2;padding-top:118px}.plant-copy h2{font-size:clamp(43px,5vw,68px);letter-spacing:-.07em;line-height:1.1;margin:0}.plant-copy>p:not(.eyebrow){font-size:15px;line-height:1.85;max-width:480px;margin:26px 0}.equipment{display:flex;margin:40px 0}.equipment span{border-left:1px solid rgba(255,255,255,.35);padding:0 28px;font-size:12px;line-height:1.8}.equipment span:first-child{padding-left:0;border:0}.equipment b{font:500 27px Inter,Manrope}.quality-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}.quality-layout>div>p{line-height:2;font-size:15px;color:#58645f;margin:0 0 40px}.quality ul{padding:0;margin:0;border-top:1px solid var(--line);list-style:none}.quality li{border-bottom:1px solid var(--line);padding:14px 0;font-size:14px}.quality li b{font:600 10px Inter,Manrope;color:#71817c;margin-right:26px}.contact{background:#b7c4c0;padding:140px 0}.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:100px}.contact-grid>div>p:not(.eyebrow){line-height:1.9;color:#4a5652;font-size:14px}.address{display:grid;grid-template-columns:90px 1fr;gap:12px;margin-top:80px;font-size:12px}.address span{color:#5f706a}.address b{font-weight:600}.contact form{border-top:1px solid rgba(36,46,43,.35);padding-top:5px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}form label{font-size:11px;color:#52615c;display:flex;flex-direction:column;gap:8px;padding:15px 0;border-bottom:1px solid rgba(36,46,43,.25)}input,textarea,select{border:0;background:transparent;outline:0;color:#202724;padding:0;font-size:14px;width:100%}input::placeholder,textarea::placeholder{color:#798682}textarea{height:80px;resize:vertical}.upload{border:0;background:transparent;color:#24302d;text-align:left;padding:0;font-size:14px}.submit{margin-top:26px;background:#27302e;color:#f3f1ea;padding:15px 18px;border:0;width:100%;text-align:left;font-weight:600;font-size:13px}.footer{min-height:124px;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#68716e}.footer .brand{color:#252e2c}.footer p{margin:0}.footer div:last-child{display:flex;align-items:center;gap:22px}.footer button{border:0;background:transparent;padding:0;font-size:11px}.wechat-float{position:fixed;bottom:24px;right:24px;z-index:6;border:0;background:#27312e;color:#fff;width:52px;height:52px;font-size:11px;line-height:1.4;box-shadow:0 6px 22px rgba(0,0,0,.22)}
.footer a{color:inherit;font-size:11px;text-decoration:none}.wechat-float{display:grid;place-items:center;text-align:center;text-decoration:none}
.top-actions{display:flex;align-items:center;gap:14px}.lang-toggle{display:flex;gap:6px;align-items:center;font:600 10px Manrope;letter-spacing:.08em}.lang-toggle button{border:0;background:transparent;color:rgba(255,255,255,.52);padding:4px 0}.lang-toggle button.active{color:#fff}.lang-toggle span{opacity:.5}.address a{color:inherit;text-decoration:none}.contact-wecom{display:inline-block;margin-top:28px;color:#27312e;border-bottom:1px solid currentColor;padding-bottom:7px;font-size:13px;text-decoration:none}.contact-wecom span{margin-left:30px}.upload{border:0;background:transparent;color:#24302d;text-align:left;padding:0;font-size:14px;text-decoration:none}
.brand{flex-direction:row;align-items:center;gap:9px}.brand-logo{width:38px;height:38px;object-fit:contain;border-radius:8px}.brand-copy{display:flex!important;flex-direction:column;gap:1px;font-size:inherit!important;font-weight:400!important;letter-spacing:normal!important}.brand-name{font-weight:800;font-size:18px;letter-spacing:.08em}.brand-copy em{font-family:Manrope,sans-serif;font-style:normal;font-size:8px;letter-spacing:.22em;opacity:.75}
.hero-image{background-image:url("/hero-glass.jpg");background-position:center 68%;filter:grayscale(.28) saturate(.7) brightness(.68)}
@media(max-width:760px){.container{width:calc(100% - 40px)}.topbar{height:66px;padding:0 20px}.nav-toggle{display:block;color:#fff;background:transparent;border:0;font-size:12px}.nav{display:none}.nav.is-open{display:flex;position:absolute;top:66px;left:0;width:100%;padding:18px 20px;background:#27312e;flex-direction:column;gap:18px}.top-cta{display:none}.hero{min-height:670px;height:100svh}.hero-copy{padding-top:145px}.hero h1{font-size:40px;line-height:1.18}.hero h1 br{display:none}.hero-desc{font-size:13px;margin:25px 0}.hero-products{width:calc(100% - 40px);grid-template-columns:1fr 1fr}.hero-products button{height:72px;padding:11px;font-size:13px}.hero-products small{margin-bottom:6px}.section{padding:85px 0}.intro{display:block}.intro-copy{padding-top:28px}.metrics{grid-template-columns:1fr 1fr;margin-top:50px}.metrics div{padding:17px 10px 5px}.metrics div:nth-child(odd){padding-left:0}.section-heading{display:block;margin-bottom:40px}.section-heading>p{margin-top:25px}.product-section{padding:85px 0}.product-row{grid-template-columns:35px 1fr 20px;height:72px}.p-detail{display:none}.p-name{font-size:15px}.product-detail{grid-template-columns:1fr;margin-top:22px}.product-detail img{height:230px}.detail-copy{padding:31px 23px}.detail-copy h3{font-size:25px}.case-grid{grid-template-columns:1fr;grid-template-rows:340px 230px 230px}.case-1{grid-row:auto}.case-note{display:block;margin-top:38px}.case-note p{margin-top:12px}.process-top{display:block}.process-top>p{margin-top:25px}.steps{grid-template-columns:1fr 1fr;gap:26px 0;margin-top:55px}.steps div:nth-child(odd){padding-left:0}.steps h3{margin-top:34px}.steps p{font-size:12px}.plant{height:675px}.plant-copy{padding-top:83px}.equipment{display:grid;grid-template-columns:1fr 1fr;gap:20px}.equipment span{padding:0 12px}.equipment span:first-child{padding-left:0}.quality-layout{grid-template-columns:1fr;gap:35px}.contact{padding:85px 0}.contact-grid{grid-template-columns:1fr;gap:55px}.address{margin-top:45px}.form-row{grid-template-columns:1fr;gap:0}.footer{padding:30px 0;align-items:start;display:grid;gap:20px}.footer div:last-child{justify-content:space-between}.footer p{display:none}}

/* Project cards use public project imagery and building-scale metadata. */
.case-grid{grid-template-columns:1.18fr .82fr;grid-template-rows:520px}.case-1{grid-row:auto}.case-overlay{background:linear-gradient(0deg,rgba(8,15,15,.9),rgba(8,15,15,.06))}.case-overlay div{gap:18px;align-items:flex-end}.case-overlay div span{display:flex;flex-direction:column;gap:4px;line-height:1.25}.case-overlay div span:last-child{text-align:right}.case-overlay div b{font:600 12px Manrope,sans-serif;color:#f2f5f1;white-space:nowrap}.case-grid .case img{filter:grayscale(.16) saturate(.72) brightness(.78)}.case-grid .case-2 img{object-position:center}@media(max-width:760px){.case-grid{grid-template-columns:1fr;grid-template-rows:320px 270px}.case-overlay{padding:20px}.case-overlay h3{font-size:22px;margin-bottom:15px}}

.submit:disabled{opacity:.62;cursor:wait}.quote-status{min-height:20px;margin:13px 0 0;font-size:13px;line-height:1.5}.quote-status.sent{color:#164e3d}.quote-status.error{color:#8d2f26}

/* 与 Sites 版本使用同一套文字箭头，避免 iOS 将符号替换为彩色 Emoji。 */
.icon-arrow,.p-arrow{font-family:inherit!important;font-style:normal;font-weight:inherit;font-variant-emoji:text}.top-cta .button-copy,.button .button-copy{margin-left:0}.top-cta .icon-arrow,.button .icon-arrow{margin-left:15px}