:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#242320;background:#faf9f6;font-synthesis:none;--copper:#955735;--line:#ceb5a4;--serif:"Songti SC","STSong","Noto Serif CJK SC",SimSun,serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--copper);outline-offset:5px}button svg,a svg{flex-shrink:0}p{line-height:1.9}img{width:100%;display:block;object-fit:cover}h1,h2,h3,p{margin:0}h1,h2,h3,.brand{font-family:var(--serif);font-weight:600}h2{font-size:52px;line-height:1.2;letter-spacing:.02em}h3{font-size:25px;line-height:1.45}.container{width:calc(100% - 184px);max-width:1440px;margin:0 auto}.header{position:absolute;z-index:3;left:0;top:0;width:100%;height:96px;display:flex;align-items:center;padding:0 6.4%;gap:48px}.brand{font-size:36px;white-space:nowrap;letter-spacing:-.03em}.nav{display:flex;gap:35px;margin-left:auto;font-size:15px}.nav a{padding:12px 0;position:relative}.nav a[aria-current=page]:after{content:"";position:absolute;bottom:2px;left:0;width:28px;height:2px;background:var(--copper)}.nav a:hover,.footer a:hover,.text-button:hover{color:var(--copper)}.primary,.outline{display:inline-flex;align-items:center;justify-content:center;gap:36px;min-height:54px;padding:13px 25px;letter-spacing:.04em;border:1px solid var(--copper);font-size:16px}.primary{background:var(--copper);color:white;transition:background .2s}.primary:hover{background:#754126}.outline{background:transparent;color:var(--copper);gap:20px;min-height:43px;font-size:14px}.outline:hover{background:#f0e4d9}.menu-toggle{display:none}.hero{height:664px;background-image:url('../images/responsive/home-hero-1280.webp');background-size:cover;background-position:center;display:flex;align-items:center;padding:80px 6.4% 0}.hero-copy{position:relative}.eyebrow{color:var(--copper);letter-spacing:.06em;font-size:17px}.hero h1{font-size:87px;line-height:1.18;margin:20px 0 25px;letter-spacing:.025em}.hero-intro{font-size:23px;line-height:1.8;color:#494743;margin-bottom:30px}.section{border-top:1px solid var(--line);padding:44px 0}.about{margin-top:28px;display:grid;grid-template-columns: .85fr 1.35fr;gap:46px;padding:36px 0 42px;align-items:center}.about h2:after,.faq h2:after,.services h2:after{content:"";display:block;width:54px;height:2px;background:var(--copper);margin-top:20px}.subtitle{font-family:var(--serif);font-size:23px;color:var(--copper);margin-top:20px}.body-copy{font-size:16px;color:#68625b;margin-top:18px}.about img{height:354px}.section-head{display:flex;gap:50px;align-items:center;margin-bottom:25px}.section-head p{color:#68625b;font-family:var(--serif);font-size:18px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.service-grid img{height:280px}.image-link{display:block;padding:0;width:100%;border:0;background:none;overflow:hidden;position:relative}.image-link img{transition:transform .4s}.image-link:hover img{transform:scale(1.035)}.image-action{position:absolute;bottom:0;right:0;background:var(--copper);color:white;padding:11px;display:flex;opacity:0;transition:opacity .2s}.image-link:hover .image-action,.image-link:focus-visible .image-action{opacity:1}.title-link{padding:0;border:0;background:none;text-align:left;margin:12px 0 8px}.title-link:hover{color:var(--copper)}article p{font-size:16px;color:#6a635c;line-height:1.8}.products{display:grid;grid-template-columns: .46fr 1.54fr;gap:45px}.product-heading p{color:#756d65;margin-top:28px;font-family:var(--serif);font-size:19px}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.product-grid img{height:210px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:65px;margin-top:24px}.step{position:relative}.step-number{font:italic 56px var(--serif);color:#cdb9aa}.step h3{margin:8px 0}.step p{color:#746c64;font-size:16px}.step-arrow{position:absolute;right:-46px;top:67px;color:var(--copper)}.faq{display:grid;grid-template-columns: .48fr 1.52fr;gap:50px;padding-top:32px;padding-bottom:30px}.faq h2:after{margin-top:20px}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:17px 0;display:flex;align-items:center;gap:20px;font-family:var(--serif);font-size:23px}summary::-webkit-details-marker{display:none}summary svg{margin-left:auto;color:#514b45;flex-shrink:0}details .minus{display:none}details[open] .minus{display:block}details[open] .plus{display:none}details p{font-size:16px;color:#746c64;padding-bottom:19px;max-width:850px}.contact-banner{position:relative;isolation:isolate;background:#e8d3bb;margin-top:5px;overflow:hidden}.contact-banner:before{content:"";position:absolute;inset:0;z-index:-1;background:url('../images/responsive/home-partnership-1280.webp') center 46%/cover;opacity:.27}.contact-banner .container{padding:40px 0 45px}.contact-banner h2{font-size:47px}.contact-banner p{font-size:16px;color:#534a43;margin:9px 0 19px}.contact-banner .primary{min-height:44px;padding:10px 24px;font-size:14px}.footer{display:flex;align-items:center;padding:24px 0;gap:40px}.footer .brand{font-size:30px}.footer nav{display:flex;align-items:center;gap:25px;margin:auto;font-size:14px;color:#6a635c}.footer nav button{padding:0;border:0;background:none}.footer>span{border-left:1px solid var(--line);padding-left:22px;color:#81776e;font-size:13px}dialog{width:min(650px,calc(100% - 32px));max-height:90dvh;border:1px solid var(--line);background:#faf9f6;color:#242320;padding:0}dialog::backdrop{background:#1d1713a6}.dialog-content{padding:38px;position:relative}.close{position:absolute;top:18px;right:18px;border:0;background:none;padding:7px}.dialog-content h2{font-size:34px;margin:16px 30px 20px 0}.dialog-content p{color:#746c64;margin-bottom:18px}.detail-photo{max-height:260px;margin-bottom:22px}.dialog-content label{display:flex;flex-direction:column;gap:8px;margin-bottom:17px;font-size:14px}.dialog-content input,.dialog-content textarea,.dialog-content select{border:1px solid #cdb9a9;background:#fffdf9;border-radius:0;min-height:43px;padding:10px;color:#342d28;width:100%}.dialog-content input:focus,.dialog-content select:focus,.dialog-content textarea:focus{outline:2px solid var(--copper);outline-offset:1px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.dialog-content .demo-note{font-size:12px}.form-note{font-size:15px}.draft svg{color:var(--copper)}.draft h3{margin:12px 0}.draft pre{white-space:pre-wrap;word-break:break-word;font:14px/1.8 inherit;background:#efe7df;padding:20px;max-height:200px;overflow:auto}.text-button{display:block;border:0;background:none;margin-top:18px;padding:5px 0;text-decoration:underline}
@media(min-width:1600px){.hero{height:740px}.hero h1{font-size:100px}.service-grid img{height:320px}}
@media(max-width:1100px){.header{gap:22px}.nav{gap:18px}.brand{font-size:29px}.container{width:calc(100% - 96px)}.hero{height:620px}.hero h1{font-size:72px}.hero-intro{font-size:20px}.about{gap:30px;grid-template-columns:1fr 1.2fr}.about img{height:320px}h2{font-size:44px}h3{font-size:21px}.service-grid img{height:225px}.products{gap:25px;grid-template-columns:.4fr 1.6fr}.product-grid img{height:185px}.steps{gap:40px}.step-arrow{right:-30px}.footer{gap:20px}.footer nav{gap:16px}.footer>span{display:none}}
@media(max-width:760px){html{scroll-padding-top:20px}.container{width:calc(100% - 40px)}.header{height:78px;padding:0 20px;gap:16px;background:#faf9f6}.brand{font-size:29px}.header-cta{margin-left:auto;font-size:12px;gap:8px;padding:8px 12px;min-height:36px}.menu-toggle{display:flex;align-items:center;border:0;background:none;padding:5px}.nav{display:none;position:absolute;top:78px;left:0;right:0;background:#faf9f6;padding:20px;box-shadow:0 5px 5px #0000000a}.nav.is-open{display:flex;flex-direction:column;gap:6px}.nav a{padding:10px 0}.hero{height:630px;padding:108px 20px 42px;align-items:flex-start;background-position:39% center}.hero-copy{background:#faf9f6eb;padding:20px 22px 25px;margin-left:-2px}.hero .eyebrow{font-size:14px}.hero h1{font-size:48px;line-height:1.25;margin:15px 0 20px}.hero-intro{font-size:17px;margin-bottom:24px}.primary{min-height:48px;padding:12px 20px;font-size:14px;gap:25px}h2{font-size:36px}.section{padding:30px 0}.about{grid-template-columns:1fr;gap:24px;margin-top:22px}.subtitle{font-size:20px}.about img{height:240px}.body-copy{font-size:15px}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:16px;font-size:16px}.service-grid{grid-template-columns:1fr 1fr;gap:28px 16px}.service-grid img{height:190px}h3{font-size:20px}.title-link{margin-top:12px}article p{font-size:14px;line-height:1.9}.products{grid-template-columns:1fr;gap:24px}.product-heading p{margin-top:15px;font-size:17px}.product-heading br{display:none}.product-grid{gap:16px}.product-grid img{height:145px}.steps{grid-template-columns:1fr 1fr;gap:25px 34px}.step-number{font-size:44px}.step-arrow{display:none}.step p{font-size:14px}.faq{grid-template-columns:1fr;gap:16px}summary{font-size:19px;gap:10px}details p{font-size:14px}.contact-banner .container{padding:35px 0}.contact-banner h2{font-size:31px}.contact-banner p{font-size:14px;max-width:280px}.footer{align-items:flex-start;flex-direction:column;gap:24px;padding:28px 0}.footer nav{margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px 34px}.footer>span{display:block;border:0;padding:0}.dialog-content{padding:30px 24px}.dialog-content h2{font-size:29px}.form-row{grid-template-columns:1fr;gap:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Visual QA refinements: keep navigation readable and restore the source's spacious type scale. */
@media(min-width:761px){.header{background:#faf9f6}.hero{background-size:auto 100%;background-repeat:no-repeat;background-position:right center;background-color:#f7f1e7}.hero h1{font-size:94px}h2{font-size:58px}.body-copy,article p,.step p,details p{font-size:18px}.section-head p{font-size:20px}.step-number{font-family:Georgia,serif;font-style:italic}.hero-copy{padding-top:8px}}
@media(min-width:761px) and (max-width:1100px){.hero h1{font-size:72px}h2{font-size:44px}.body-copy,article p,.step p,details p{font-size:16px}}
@media(min-width:761px){.hero{background-size:cover}}