:root{--ink:#25292b;--muted:#6d716f;--line:#dcded8;--accent:#8a744b;--paper:#fafaf7;--soft:#eeefea}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.wrap{width:min(1320px,88%);margin:auto}header{background:#fafaf7f5;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav{height:94px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:29px;font-weight:800;letter-spacing:.15em;line-height:1}.brand 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#e0e2da}.art:after{content:'概念示意';position:absolute;bottom:15px;right:16px;color:#8a8f85;font-size:10px}.shape{width:155px;height:36px;border-radius:3px;transform:rotate(-38deg);background:linear-gradient(#343b3c,#b5b8b2 18%,#ededdf 30%,#787e7b 50%,#343b3c 70%,#b4b8b0 90%,#555d59);box-shadow:13px 24px 18px #4d514929;position:relative;border:1px solid #6c746d}.shape:before{content:"";position:absolute;left:0;top:-12px;width:28px;height:58px;border:1px solid #7b837b;background:inherit;border-radius:4px}.shape.plate{width:132px;height:85px;border-radius:2px;background:repeating-linear-gradient(90deg,#515955 0 2px,#aeb5aa 2px 4px,#e3e5d8 4px 5px,#747d73 5px 7px);box-shadow:5px 9px 0 #59635a,15px 30px 25px #4d51492b}.shape.plate:before{display:none}.shape.die{width:130px;height:130px;border:28px solid #777f76;border-radius:50%;background:radial-gradient(ellipse,#272d29,#3e4840 50%,#b1b9ab 70%,#454e45);box-shadow:inset 4px 5px 5px #252c28,8px 14px 0 #4e574f,12px 30px 25px #4d514933;outline:1px solid #9ba392}.shape.die:before{display:none}.shape.pin{width:170px;height:15px;border-radius:2px}.shape.pin:before{height:29px;top:-8px;width:18px}.card-body{padding:23px 0;border-bottom:1px solid var(--line)}.card-body .label{font-size:8px;color:#7c8279;letter-spacing:.15em}.card-body .label:before{display:none}.card-body h3{font-size:22px;font-weight:500;margin:13px 0}.card-body p{font-size:12px;color:#747b72;line-height:1.9;min-height:46px;margin-bottom:16px}.arrow{float:right;font-size:20px;color:var(--accent)}.split{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:center}.panel{background:linear-gradient(135deg,#e0e3d9,#f0f1eb);border:1px solid #d6dbce;padding:60px;min-height:350px;display:flex;flex-direction:column;justify-content:center;position:relative}.panel:after{content:"+";position:absolute;top:16px;right:20px;font-size:19px;font-weight:300;color:#919b88}.panel p{line-height:2;color:#697360;font-size:14px}.textlink{display:inline-block;font-size:13px;padding:12px 0;border-bottom:1px solid #a2aa97;margin-top:12px}.steps{border-top:1px solid #b9c0b0}.step{display:flex;gap:28px;padding:27px 0;border-bottom:1px solid #c7cebe}.step b{color:var(--accent);font-size:11px;font-weight:400;margin-top:4px}.step h3{margin:0 0 10px;font-size:18px;font-weight:500}.step p{margin:0;color:#70796a;line-height:1.8;font-size:13px}.page-head{background:#eeefea;padding:64px 0 74px;border-bottom:1px solid var(--line)}.page-head p{color:#747b70;font-size:14px;line-height:1.9;max-width:650px}.breadcrumbs{font-size:11px;color:#7f8879;margin-bottom:35px}.filter{display:flex;gap:0;flex-wrap:wrap;margin-bottom:40px;border-bottom:1px solid var(--line)}.filter button{background:transparent;border:0;border-bottom:2px solid transparent;color:#737d6a;padding:15px 25px;cursor:pointer;font-size:13px}.filter button.active{color:#252c27;border-bottom-color:var(--accent)}.detail-art{height:440px}.detail-art .shape{transform:scale(1.5) rotate(-38deg)}.spec{border-top:1px solid var(--line);margin-top:28px}.spec div{display:flex;padding:16px 0;border-bottom:1px solid var(--line);gap:30px;color:var(--muted);font-size:13px}.spec b{min-width:80px;color:var(--ink);font-weight:500}.notice{background:#efefe8;border-left:2px solid #a9946e;padding:17px 20px;color:#707467;line-height:1.9;font-size:12px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.field{margin-bottom:22px}.field label{display:block;font-size:12px;margin-bottom:10px}.field input,.field select,.field textarea{width:100%;padding:15px;border:1px solid #d4d9cb;background:#fff;color:var(--ink)}.field textarea{min-height:130px;resize:vertical}.cta{padding:70px 0;background:#e4e6dd;border-top:1px solid #cfd4c5;border-bottom:1px solid #cfd4c5}.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:32px;font-weight:500;margin:0 0 10px}.cta p{color:#727c68;font-size:13px;line-height:1.8}footer{background:#eeefe9;padding:65px 0 25px}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.foot p,.foot a:not(.brand),.foot span{font-size:12px;color:#777e70;line-height:2.2}.foot div>a:not(.brand),.foot span{display:block}.foot b{font-size:12px;font-weight:500;display:block;margin-bottom:14px}.copyright{border-top:1px solid #d4d9cb;margin-top:42px;padding-top:22px;color:#868e7f;font-size:10px;display:flex;justify-content:space-between}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media(min-width:1600px){.hero .wrap:not(.hero-caption){min-height:740px}.hero-art{height:660px}}@media(max-width:900px){nav{gap:18px}.cards{gap:15px}.art{height:210px}.hero-art{height:490px}.hero .wrap:not(.hero-caption){min-height:570px}}@media(max-width:760px){.nav{height:76px}.menu{display:block}nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:20px 6%;flex-direction:column;align-items:stretch;gap:12px;box-shadow:0 10px 20px #0001}nav.open{display:flex}.hero .wrap:not(.hero-caption){grid-template-columns:1fr;padding-top:55px}.hero h1{font-size:52px}.hero-art{height:350px;margin:-20px -6% 0}.art-note{bottom:10px}.hero-caption{font-size:8px;letter-spacing:.07em}.section{padding:72px 0}.section-head,.cta .wrap{display:block}.cards{grid-template-columns:repeat(2,1fr);gap:25px 16px}.art{height:185px}.shape{transform:scale(.8) rotate(-38deg)}.card-body h3{font-size:20px}.card-body .label{font-size:7px;letter-spacing:.06em}.card-body p{font-size:11px;min-height:63px}.split,.contact-grid{grid-template-columns:1fr;gap:35px}.panel{padding:35px;min-height:280px}.foot{grid-template-columns:1fr 1fr}.foot>div:first-child{grid-column:1/-1}.copyright{display:block;line-height:2}.copyright span{display:block}.detail-art{height:330px}.page-head{padding:45px 0}.cta .btn{margin-top:20px}}

/* 首屏说明条独立于主视觉，避免继承首屏高度 */
.hero .hero-caption{width:100%;min-height:0;height:auto;display:flex;align-items:center;justify-content:space-between;padding:22px max(6%,calc((100% - 1320px)/2));margin:0;background:#fff;border-top:1px solid #dcded8;border-bottom:1px solid #eceee8;gap:20px}
.hero + .section{background:#fff}
@media(max-width:760px){.hero .hero-caption{padding:18px 6%;gap:12px;line-height:1.6}}
/* User supplied product renders. Contain preserves full geometry and aspect ratio. */
.art.product-photo{background:#f7f8f5;padding:25px}.art.product-photo:after{display:none}.product-photo img{width:100%;height:100%;object-fit:contain;min-height:0;mix-blend-mode:multiply;transition:transform .35s}.card:hover .product-photo img{transform:scale(1.045)}.art.detail-art.product-photo{padding:40px}.hero-art.supplied-art{background:none;display:flex;align-items:center;justify-content:center;padding:30px 0 45px}.supplied-art img{display:block;width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.supplied-art .art-note{bottom:16px;right:4%}
@media(max-width:760px){.art.product-photo{padding:18px}.hero-art.supplied-art{margin:15px 0 0;padding:15px 0 35px}.art.detail-art.product-photo{padding:28px}}

/* Product series galleries */
.image-count{font-size:10px;letter-spacing:.06em;color:#8a744b}.gallery{min-width:0}.gallery-main{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:440px;background:#f5f6f2;border:1px solid #e0e2da;padding:38px;cursor:zoom-in}.gallery-main img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.zoom-label{position:absolute;right:18px;bottom:16px;color:#70786b;font-size:10px;letter-spacing:.06em}.gallery-meta{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#747c6d;padding:17px 0;border-bottom:1px solid var(--line)}#gallery-counter{font-family:monospace;letter-spacing:.1em}.gallery-thumbs{display:flex;gap:12px;flex-wrap:wrap;padding-top:16px}.gallery-thumbs button{width:100px;background:white;border:1px solid var(--line);padding:8px;cursor:pointer;color:#6d7568}.gallery-thumbs button[aria-pressed=true]{border-color:#8a744b;box-shadow:inset 0 0 0 1px #8a744b}.gallery-thumbs img{display:block;width:100%;height:68px;object-fit:contain}.gallery-thumbs span{display:block;font-size:10px;padding-top:9px;line-height:1.5}.image-viewer{width:min(1180px,94vw);max-height:94vh;padding:0;border:0;background:#fff;color:var(--ink);box-shadow:0 20px 100px #0005}.image-viewer::backdrop{background:#171c1cce;backdrop-filter:blur(5px)}.viewer-toolbar{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;padding:19px 26px;background:#fffffff5;z-index:1;border-bottom:1px solid var(--line);font-size:13px}.viewer-close{background:transparent;border:1px solid #cccfc6;padding:9px 16px;font-size:12px;cursor:pointer}.viewer-stage{position:relative;display:flex;align-items:center;justify-content:center;padding:28px 60px;min-height:300px}.viewer-stage img{display:block;max-width:100%;height:auto;max-height:75vh;object-fit:contain}.viewer-prev,.viewer-next{position:absolute;top:50%;background:#f1f2ec;border:1px solid #d3d7ca;width:38px;height:48px;cursor:pointer;font-size:20px}.viewer-prev{left:12px}.viewer-next{right:12px}.viewer-hint{text-align:center;font-size:10px;color:#8b9183;letter-spacing:.08em;padding:0 15px 18px}.viewer-open{overflow:hidden}[hidden]{display:none!important}@media(max-width:760px){.gallery-main{height:340px;padding:30px}.gallery-thumbs button{width:88px}.gallery-thumbs img{height:58px}.viewer-toolbar{padding:15px;font-size:11px}.viewer-stage{padding:20px 44px}.viewer-prev,.viewer-next{width:30px;height:40px}.viewer-prev{left:5px}.viewer-next{right:5px}}

.icp-record{color:#51594e;text-decoration:none;font-size:12px}.icp-record:hover{text-decoration:underline;color:#25292b}