:root{--paper:#f7f6f0;--white:#fffefa;--ink:#203e34;--soft:#5b6c60;--accent:#ad542c;--line:#d9ded4;--sage:#e9ede3;--muted:#5d6c63;--on-dark:#c4d2c4;--space:clamp(24px,5.5vw,88px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}button,a{-webkit-tap-highlight-color:transparent}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px}::selection{color:var(--white);background:var(--ink)}.wrap{width:min(1280px,calc(100% - var(--space)*2));margin-inline:auto}.skip-link{position:fixed;top:-100px;left:16px;z-index:30;padding:10px 20px;background:var(--ink);color:var(--white)}.skip-link:focus{top:10px}.header{position:sticky;top:0;z-index:20;background:rgba(247,246,240,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(217,222,212,.65)}.nav-bar{height:96px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:13px}.brand-mark{height:39px;width:39px}.brand strong{display:block;font-size:22px;letter-spacing:5px;line-height:1.3;font-weight:650}.brand small{display:block;font-size:8px;font-weight:600;letter-spacing:2.2px;line-height:2;margin-top:4px}.main-nav{display:flex;align-items:center;gap:38px;font-size:13px}.main-nav a{position:relative;transition:color .2s}.main-nav a:hover{color:var(--accent)}.main-nav a:not(.nav-contact)::after{content:"";position:absolute;height:1px;bottom:-6px;left:0;width:0;background:var(--accent);transition:width .2s}.main-nav a:hover::after{width:100%}.nav-contact{border:1px solid var(--ink);padding:9px 20px;display:flex;gap:27px}.menu-toggle{display:none}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;margin:0;color:var(--soft);display:flex;align-items:center;gap:10px}.tiny-square{width:6px;height:6px;background:var(--accent);display:inline-block}.hero{display:grid;grid-template-columns:1.04fr 1fr;gap:clamp(32px,5vw,80px);padding-block:40px 48px;align-items:center}.hero-content{padding-top:28px}.hero-content .eyebrow{font-size:11px;letter-spacing:3px}.hero h1{font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:clamp(46px,5vw,76px);font-weight:500;line-height:1.4;letter-spacing:3px;margin:30px 0 26px}.title-accent{color:var(--accent)}.hero-intro{color:var(--muted);font-size:15px;line-height:2.1;margin:0}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:36px}.button{padding:14px 24px;display:inline-flex;align-items:center;justify-content:space-between;gap:38px;font-size:13px}.primary{background:var(--ink);color:var(--white);transition:background .2s,transform .2s}.primary:hover{background:#325648;transform:translateY(-2px)}.button span{font-size:20px;line-height:1}.text-link{font-size:13px;display:flex;gap:14px;padding-block:10px;border-bottom:1px solid #b3bdb0}.text-link:hover{color:var(--accent)}.hero-foot{font-size:10px;display:flex;align-items:center;gap:16px;color:var(--soft);margin-top:68px;letter-spacing:1px}.hero-foot-rule{height:1px;width:28px;background:var(--line)}.hero-foot>span:last-child{font-size:9px;letter-spacing:2px}.hero-visual{margin:0;position:relative;overflow:hidden;aspect-ratio:1/1.12;background:#abb294;isolation:isolate}.hero-visual>img{height:100%;width:100%;object-fit:cover;object-position:center 70%}.visual-top{position:absolute;top:22px;left:24px;right:24px;display:flex;justify-content:space-between;font-size:8px;font-weight:600;letter-spacing:1.5px;color:#263d2b}.hero-visual figcaption{position:absolute;bottom:22px;left:24px;right:24px;display:flex;justify-content:space-between;gap:12px;align-items:center;background:rgba(249,247,238,.93);padding:15px 18px;font-size:12px}.hero-visual figcaption small{font-size:9px;color:var(--muted)}.principles{border-block:1px solid var(--line);padding-block:21px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;letter-spacing:2px}.principles>span{display:flex;align-items:center;gap:14px}.principles i{font-size:19px;font-style:normal;color:var(--accent)}.principles .principles-note{font-size:9px;letter-spacing:1.7px;color:var(--muted)}.section{padding-block:104px}.about{display:grid;grid-template-columns:.6fr 1.5fr;gap:70px}.section-side{padding-top:12px}.section-side-label{font-size:14px;letter-spacing:2px;margin-top:12px}.about h2,h2{font-size:clamp(28px,2.6vw,38px);font-weight:500;letter-spacing:1px;line-height:1.65;margin:0}.soft-text{color:var(--soft)}.about-copy{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:28px}.about-copy p{color:var(--muted);font-size:13px;line-height:2.15;margin:0}.about-bottom{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.about-bottom>span:first-child{font-size:11px;letter-spacing:1px}.about-bottom b{font-weight:400;margin-inline:12px;color:var(--accent)}.wordmark{font-family:"Songti SC","STSong",serif;font-size:26px;color:var(--accent);letter-spacing:5px}.materials-section{background:var(--sage)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}.section-heading h2{margin-top:12px}.section-heading>p{font-size:13px;color:var(--muted);margin:0 0 7px;line-height:2}.materials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.material-picture{height:250px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.sample-label{position:absolute;top:18px;left:20px;font-size:8px;letter-spacing:2px;z-index:1}.sample-index{position:absolute;bottom:12px;right:18px;font-size:12px;z-index:1}.stone-picture{background:#d7d8cc;color:#435447}.stone-stack{height:130px;width:160px;position:relative;transform:rotate(-12deg) skewY(3deg);filter:drop-shadow(24px 24px 12px #33442d22)}.stone-stack i{position:absolute;width:136px;height:90px;background:linear-gradient(120deg,#e9e7dc,#c5c6b7);border:1px solid #c1c2b3;border-right:15px solid #a4aa96;border-bottom:16px solid #b3b9a5}.stone-stack i:nth-child(1){bottom:0;left:0}.stone-stack i:nth-child(2){bottom:28px;left:12px}.stone-stack i:nth-child(3){bottom:56px;left:24px}.wood-picture{background:#e6ddcc;color:#67503b}.wood-samples{display:flex;align-items:center;gap:6px;transform:rotate(-27deg) skewY(12deg);filter:drop-shadow(18px 14px 12px #59452a2c)}.wood-samples i{width:37px;height:150px;display:block;background:repeating-linear-gradient(90deg,#b18d5f 0,#c5a376 2px,#c9aa7f 5px,#b99569 8px,#c5a67b 10px);border-right:5px solid #9c7b51;border-bottom:5px solid #987445}.wood-samples i:nth-child(2){height:180px;filter:brightness(1.12)}.wood-samples i:nth-child(3){height:160px;filter:brightness(.95)}.wood-samples i:nth-child(4){height:140px;filter:brightness(1.18)}.metal-picture{background:#c5d0c3;color:#334f3e}.metal-samples{display:flex;gap:13px;transform:rotate(32deg);filter:drop-shadow(12px 12px 6px #24392a33)}.metal-samples i{display:block;width:27px;height:153px;background:linear-gradient(90deg,#5e7462,#9aab96 38%,#c3caba 48%,#6e826e);border-radius:14px 14px 0 0;border-top:7px solid #35523e;border-bottom:1px solid #6d8066}.metal-samples i:nth-child(2){height:180px}.metal-samples i:nth-child(3){height:165px}.metal-samples i:nth-child(4){height:140px}.material-title{display:flex;align-items:center;justify-content:space-between;margin-top:22px}.material-title h3{font-size:21px;font-weight:500;margin:0}.material-title>span{font-size:23px;color:var(--soft)}.material-card>p{font-size:12px;line-height:2;color:var(--muted);margin:12px 0 20px}.material-tags{border-top:1px solid #cbd3c6;padding-top:15px;display:flex;gap:20px;font-size:10px;color:var(--soft)}.material-note{font-size:10px;color:var(--muted);margin:30px 0 0}.process-section{background:var(--ink);color:var(--white)}.process-section .eyebrow{color:#becfbc}.process-section .section-heading>p{color:var(--on-dark)}.steps{list-style:none;margin:52px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:40px}.steps li{border-top:1px solid #5a7162;padding-top:21px}.step-number{display:flex;justify-content:space-between;align-items:center;font-size:30px;font-family:Georgia,serif;color:#bfd1b7}.step-number i{font-family:sans-serif;font-style:normal;font-size:20px;color:#a3b79e}.steps h3{font-size:17px;font-weight:500;margin:20px 0 10px;letter-spacing:1px}.steps p{font-size:12px;color:var(--on-dark);line-height:2;margin:0;max-width:200px}.checklist-bar{margin-top:50px;padding-top:24px;border-top:1px solid #5a7162;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:12px}.checklist-bar p{margin:0;color:var(--on-dark)}.checklist-bar p span{font-size:20px;margin-right:12px}.checklist-bar a{display:flex;gap:28px;align-items:center;border-bottom:1px solid #91a489;padding:4px 0}.checklist-bar a:hover{color:#e8cc98}.contact{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.contact-heading h2{font-family:"Songti SC","STSong",serif;font-size:clamp(32px,3.2vw,46px);margin-top:20px;line-height:1.6}.contact-heading h2 span{color:var(--accent)}.contact-heading>p:last-child{font-size:13px;line-height:2;color:var(--muted);margin:24px 0 0}.company-panel{border-left:1px solid var(--line);padding-left:52px}.company-label{font-size:9px;letter-spacing:2px;color:var(--soft)}.company-panel h3{font-size:20px;font-weight:500;letter-spacing:1px;margin:16px 0 24px}.company-panel dl{margin:0}.company-panel dl>div{display:grid;grid-template-columns:80px 1fr;gap:15px;font-size:12px;border-top:1px solid var(--line);padding-block:14px}.company-panel dt{color:var(--muted)}.company-panel dd{margin:0}.company-panel dd a{display:flex;align-items:center;justify-content:space-between}.company-panel dd a:hover{color:var(--accent)}.copy-button{margin-top:16px;display:flex;justify-content:space-between;align-items:center;width:100%;background:transparent;border:1px solid var(--ink);padding:12px 16px;font-size:12px;color:var(--ink);cursor:pointer;transition:background .2s}.copy-button:hover{background:var(--sage)}.copy-status{font-size:11px;color:var(--ink);min-height:20px;margin:7px 0 0}.contact-note{font-size:10px;color:var(--muted);line-height:1.8;margin:8px 0 0}.footer{border-top:1px solid var(--line);padding:36px 0 22px}.footer-top,.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px}.footer-brand{font-size:16px;letter-spacing:3px}.footer-brand span{font-size:8px;letter-spacing:1.5px;margin-left:15px;color:var(--soft)}.back-top{font-size:11px}.footer-bottom{font-size:10px;margin-top:32px;color:var(--muted);flex-wrap:wrap}.footer-bottom a:hover{text-decoration:underline}.mobile-only{display:none}
@media(min-width:1600px){.hero{padding-block:56px 64px}.hero-visual{max-height:650px}}
@media(max-width:1100px){.main-nav{gap:24px}.hero h1{font-size:clamp(44px,5.7vw,64px);letter-spacing:1px}.hero-actions{gap:24px}.button{padding:13px 18px;gap:20px}.hero-foot{margin-top:42px;font-size:9px;gap:10px}.hero-visual{aspect-ratio:1/1.24}.hero-visual figcaption{left:16px;right:16px;bottom:16px;display:block}.hero-visual figcaption small{display:block;margin-top:3px}.principles .principles-note{font-size:8px;letter-spacing:.7px}.about{gap:40px;grid-template-columns:.5fr 1.4fr}.material-picture{height:220px}.contact{gap:48px}.company-panel{padding-left:32px}.steps{gap:26px}.company-panel h3{font-size:18px}}
@media(max-width:767px){.mobile-only{display:initial}:root{--space:24px}html{scroll-padding-top:90px}.nav-bar{height:76px}.brand-mark{height:32px;width:32px}.brand{gap:9px}.brand strong{font-size:19px;letter-spacing:3px}.brand small{font-size:7px;letter-spacing:1.6px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;width:44px;height:44px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}.menu-toggle span{height:1px;width:19px;background:currentColor;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 24px 24px;gap:0;box-shadow:0 14px 20px #203e3408}.main-nav.is-open{display:flex;flex-direction:column;align-items:stretch}.main-nav>a{padding:14px 0}.main-nav .nav-contact{padding:12px 16px;margin-top:10px;justify-content:space-between}.main-nav a::after{display:none}.hero{grid-template-columns:1fr;gap:32px;padding:36px 0}.hero-content{padding-top:4px}.hero-content .eyebrow{font-size:10px;letter-spacing:2px}.hero h1{font-size:clamp(42px,9.5vw,64px);margin:24px 0 20px;line-height:1.35;letter-spacing:2px}.hero-intro{font-size:13px}.hero-actions{margin-top:28px;gap:28px}.button{padding:13px 18px;font-size:12px;gap:24px}.text-link{font-size:12px}.hero-foot{margin-top:30px;letter-spacing:.5px;gap:12px}.hero-visual{aspect-ratio:1.12/1}.hero-visual>img{object-position:center 68%}.visual-top{top:17px;left:18px;right:18px;font-size:7px;letter-spacing:1px}.hero-visual figcaption{display:flex;padding:10px 12px;font-size:10px;left:16px;right:16px;bottom:16px}.hero-visual figcaption small{font-size:8px;margin:0}.principles{padding-block:17px;gap:12px;letter-spacing:1px;font-size:11px}.principles>span{gap:8px}.principles i{font-size:16px}.principles .principles-note{display:none}.section{padding-block:64px}.about{grid-template-columns:1fr;gap:24px}.section-side{padding:0;display:flex;align-items:center;justify-content:space-between;gap:12px}.section-side-label{font-size:11px;margin:0}.eyebrow{font-size:9px;letter-spacing:1.5px}.about h2,h2{font-size:26px;line-height:1.7;letter-spacing:0}.about-copy{gap:18px;grid-template-columns:1fr;margin-top:24px}.about-copy p{font-size:12px}.about-bottom{margin-top:25px;padding-top:18px}.about-bottom>span:first-child{font-size:10px}.about-bottom b{margin-inline:7px}.section-heading{align-items:flex-start;margin-bottom:30px;display:block}.section-heading h2{margin-top:14px}.section-heading>p{font-size:12px;margin:16px 0 0}.section-heading>p br{display:none}.materials-grid{grid-template-columns:1fr;gap:36px}.material-picture{height:260px}.material-title{margin-top:18px}.material-title h3{font-size:20px}.material-card>p{margin:9px 0 15px}.material-card>p br{display:none}.material-tags{padding-top:12px}.material-note{font-size:9px;line-height:1.9;margin-top:28px}.steps{grid-template-columns:1fr 1fr;gap:32px 24px;margin-top:32px}.step-number{font-size:27px}.steps h3{font-size:15px;letter-spacing:0;margin-top:15px}.steps p{font-size:11px}.checklist-bar{margin-top:32px;align-items:flex-start;flex-direction:column;gap:14px;font-size:11px}.checklist-bar p span{margin-right:8px}.contact{grid-template-columns:1fr;gap:34px}.contact-heading h2{font-size:34px;margin-top:18px}.contact-heading>p:last-child{font-size:12px;margin-top:18px}.company-panel{padding:28px 0 0;border-left:0;border-top:1px solid var(--line)}.company-panel h3{font-size:20px;margin-top:14px}.company-panel dl>div{grid-template-columns:80px 1fr}.contact-note{font-size:10px}.footer{padding-top:25px}.footer-brand{font-size:15px;letter-spacing:2px}.footer-brand span{display:block;font-size:7px;margin:4px 0 0;letter-spacing:1.4px}.footer-bottom{margin-top:24px;gap:10px;align-items:flex-start;flex-direction:column;font-size:10px}.footer-bottom>span:last-child{display:none}}
@media(max-width:360px){:root{--space:20px}.hero h1{font-size:40px}.hero-actions{gap:18px}.button{gap:17px}.hero-foot{gap:8px;font-size:8px}.hero-foot-rule{width:16px}.hero-visual figcaption{display:block}.hero-visual figcaption small{margin-top:3px}.about h2{font-size:24px}.contact-heading h2{font-size:29px}.company-panel h3{font-size:18px}.steps{gap:28px 18px}.section-side .eyebrow{font-size:8px;letter-spacing:1px}.principles{font-size:10px;gap:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}