footer .footer-brand img{width:184px!important;height:70px!important;object-fit:contain;object-position:left center;filter:none!important}.footer-brand .footer-company-name{font-size:18px!important;line-height:1.5;color:#fff!important;font-weight:700;margin-top:14px}@media(min-width:601px){body>footer{padding-bottom:95px}.phone-float{right:78px!important}}:root{--orange:#ea4201;--orange-dark:#c93400;--ink:#17191c;--charcoal:#121518;--steel:#4b555d;--muted:#737b80;--paper:#f4f2ee;--white:#fff;--line:#dcd8d1;--soft:#e9e6e0;--container:1280px;--ease:cubic-bezier(.22,1,.36,1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea{font:inherit}.container{width:min(var(--container),calc(100% - 64px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:10px;z-index:100}.topbar{background:#fff;border-bottom:1px solid #ebe8e2;color:#70777b;font-size:12px}.topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}.topbar div div{display:flex;align-items:center;gap:14px}.topbar i{height:12px;width:1px;background:#ccc}.topbar a:hover{color:var(--orange)}.site-header{height:88px;background:rgba(255,255,255,.96);border-bottom:1px solid #e7e3dc;position:sticky;top:0;z-index:40;backdrop-filter:blur(12px)}.header-inner{height:100%;display:flex;align-items:center;gap:29px}.brand{margin-right:auto;flex:none}.brand img{width:156px;height:62px;object-fit:contain}.site-header nav{display:flex;align-items:center;gap:25px;height:100%}.site-header nav a{height:100%;display:flex;align-items:center;position:relative;font-size:16px;font-weight:700;white-space:nowrap;transition:color .25s var(--ease),transform .25s var(--ease)}.site-header nav a:after{content:"";position:absolute;left:0;right:100%;bottom:22px;height:2px;background:var(--orange);transition:right .35s var(--ease)}.site-header nav a:hover,.site-header nav a.active{color:var(--orange);transform:translateY(-2px)}.site-header nav a:hover:after,.site-header nav a.active:after{right:0}.site-header nav em{font-style:normal;font-size:10px;opacity:0;margin-left:2px;transform:translate(-4px,4px);transition:.25s}.site-header nav a:hover em{opacity:1;transform:translate(0,0)}.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--orange);border:1px solid var(--orange);color:#fff;padding:13px 20px;font-weight:800;transition:transform .28s var(--ease),background .28s,box-shadow .28s}.nav-cta:hover,.button:hover{background:var(--orange-dark);transform:translateY(-3px);box-shadow:0 14px 30px rgba(234,66,1,.22)}.nav-cta span,.button span,.text-link span{transition:transform .28s var(--ease)}.nav-cta:hover span,.button:hover span,.text-link:hover span{transform:translate(3px,-3px)}.menu{display:none}.hero{min-height:700px;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden;background:#111}.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.7) contrast(1.05)}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,14,.94) 0%,rgba(10,12,14,.75) 47%,rgba(10,12,14,.2) 78%),linear-gradient(0deg,rgba(0,0,0,.35),transparent 50%)}.hero-content{position:relative;z-index:2;padding:90px 0 130px}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:900;color:var(--orange);text-transform:uppercase}.hero h1,.page-head h1{font-size:clamp(48px,6.3vw,88px);line-height:1.03;letter-spacing:-.055em;margin:18px 0 26px;max-width:1000px}.hero h1 span{color:#ff6a2c}.hero p{max-width:720px;color:#d4d6d7;font-size:19px;line-height:1.8}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:31px}.button.outline{background:transparent;border-color:rgba(255,255,255,.65)}.button.outline:hover{background:#fff;color:var(--ink)}.button.dark{background:var(--ink);border-color:var(--ink)}.button.light{background:#fff;border-color:#fff;color:var(--ink)}.hero-index{position:absolute;bottom:0;left:0;right:0;z-index:2;border-top:1px solid rgba(255,255,255,.2);display:grid;grid-template-columns:repeat(4,1fr);padding-left:max(32px,calc((100vw - var(--container))/2))}.hero-index span{padding:20px 28px;border-right:1px solid rgba(255,255,255,.2);font-size:13px;color:#d4d5d6}.section{padding:110px 0}.section.muted,.muted{background:#ebe9e4}.dark-section{background:var(--charcoal);color:#fff}.section-heading{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:80px;align-items:end;margin-bottom:50px}.section h2{font-size:clamp(36px,4.5vw,62px);line-height:1.12;letter-spacing:-.045em;margin:12px 0 18px}.section h3{line-height:1.35}.lead{font-size:18px;color:var(--steel)}.dark-section p{color:#b9bdc0}.text-link{display:inline-flex;gap:7px;align-items:center;font-weight:800;border-bottom:1px solid currentColor;padding-bottom:2px}.text-link:hover{color:var(--orange)}.light-link{color:#fff}.goal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.goal-grid a{background:#fff;padding:34px;min-height:330px;display:flex;flex-direction:column;transition:.35s var(--ease)}.goal-grid a:hover{background:var(--ink);color:#fff;transform:translateY(-7px)}.goal-grid b{color:var(--orange);font-size:14px}.goal-grid small{margin-top:auto;color:#969da1;letter-spacing:.12em}.goal-grid h3{font-size:26px;margin:12px 0}.goal-grid p{color:#687176}.goal-grid a:hover p{color:#c9ccce}.goal-grid span{font-weight:800;margin-top:20px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s;color:var(--ink)}.product-card:hover{transform:translateY(-8px);box-shadow:0 25px 55px rgba(0,0,0,.12);border-color:#bbb5ac}.product-picture{aspect-ratio:16/10;overflow:hidden;background:#e5e2dc}.product-picture img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}.product-card:hover img{transform:scale(1.05)}.product-copy{padding:25px}.product-copy small{color:var(--orange);font-weight:900}.product-copy h3{font-size:22px;margin:8px 0}.product-copy p{min-height:54px;color:#687176}.product-art{aspect-ratio:16/10;background:linear-gradient(135deg,#2a3035,#121518);position:relative;color:#fff;padding:25px;overflow:hidden}.product-art i{position:absolute;width:240px;height:110px;border:23px solid var(--orange);border-radius:70px;right:-40px;bottom:-15px;transform:rotate(-8deg)}.product-art b{position:absolute;bottom:22px;left:25px}.product-art span{font-size:13px}.section-more{margin-top:34px}.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.numbered-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.numbered-list li{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.numbered-list b{color:var(--orange)}.numbered-list h3,.numbered-list p{margin:0}.trace-feature{padding-top:0}.trace-panel{background:#171a1d;color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:70px;padding:70px;position:relative;overflow:hidden}.trace-panel:after{content:"";position:absolute;width:420px;height:420px;border:80px solid rgba(234,66,1,.12);border-radius:50%;right:-190px;top:-160px}.trace-copy{position:relative;z-index:1}.trace-flow{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px}.trace-flow span{border:1px solid #41464b;padding:13px 18px;background:#202429}.trace-flow i{text-align:center;color:var(--orange);font-style:normal}.image-frame,.wide-figure{margin:0;overflow:hidden}.image-frame img,.wide-figure img{width:100%;object-fit:cover}.image-frame img{aspect-ratio:4/3}.image-frame figcaption,.wide-figure figcaption{font-size:12px;color:#70777b;margin-top:10px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.article-card{background:#fff;border:1px solid var(--line);padding:28px;transition:.35s var(--ease);overflow:hidden}.article-card img{width:calc(100% + 56px);max-width:none;margin:-28px -28px 24px;aspect-ratio:16/9;object-fit:cover}.article-card:hover{transform:translateY(-7px);box-shadow:0 20px 45px #00000012}.article-card 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h2{font-size:clamp(36px,4vw,58px)}.manifesto small{color:var(--orange)}.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}.fact-grid div{background:#fff;padding:28px}.fact-grid .wide{grid-column:span 2}.fact-grid small{display:block;color:#747c81}.fact-grid strong{font-size:18px;word-break:break-word}.value-grid,.decision-grid,.partner-grid,.object-chain{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.value-grid article,.decision-grid article,.partner-grid article,.object-chain article{background:#fff;border:1px solid var(--line);padding:28px}.partner-grid{grid-template-columns:repeat(3,1fr)}.object-chain{grid-template-columns:repeat(3,1fr)}.dark-section .object-chain article{background:#1e2226;border-color:#343a3f}.value-grid b,.decision-grid b,.object-chain b{color:var(--orange)}.timeline>div{border-left:2px solid var(--orange);padding:0 0 28px 25px}.timeline strong{color:var(--orange)}.data-orbit{aspect-ratio:1;max-width:520px;margin:auto;border:1px solid #bbb;border-radius:50%;position:relative;display:grid;place-items:center;background:radial-gradient(circle,#fff 0 25%,transparent 26%),repeating-radial-gradient(circle,transparent 0 20%,#ddd 20.2% 20.5%,transparent 20.7% 39%)}.data-orbit strong{font-size:60px;color:var(--orange)}.data-orbit span{position:absolute;background:#17191c;color:#fff;padding:8px 13px}.data-orbit span:nth-of-type(1){top:6%}.data-orbit span:nth-of-type(2){right:4%;top:27%}.data-orbit span:nth-of-type(3){right:8%;bottom:21%}.data-orbit span:nth-of-type(4){bottom:5%}.data-orbit span:nth-of-type(5){left:4%;bottom:27%}.data-orbit span:nth-of-type(6){left:5%;top:26%}.check-list,.checklist{padding-left:20px}.check-list li,.checklist li{margin:10px 0}.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.photo-grid figure{margin:0;background:#fff}.photo-grid img{width:100%;aspect-ratio:16/10;object-fit:cover}.photo-grid figcaption{padding:20px}.photo-grid figcaption span{display:block;color:#6c747a}.mini-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.mini-columns ul{padding-left:18px}.related-links{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.related-links a{border:1px solid var(--line);padding:7px 10px;font-size:13px;background:#fff}.filter-toolbar{display:flex;justify-content:space-between;align-items:end;gap:25px}.filter-tabs{display:flex;flex-wrap:wrap;gap:8px}.filter-tabs button{background:#fff;border:1px solid var(--line);padding:10px 14px;cursor:pointer}.filter-tabs button:hover,.filter-tabs button[aria-pressed=true]{background:var(--ink);color:#fff}.search span{display:block;font-size:12px}.search input{padding:10px;border:1px solid var(--line);min-width:250px}.results{color:#747b80}.notice{border-left:4px solid var(--orange);background:#fff;padding:22px 25px;margin-top:35px}.notice h3{margin-top:0}.breadcrumb{font-size:13px;color:#747b80;margin-bottom:38px}.product-detail h1{font-size:clamp(42px,5vw,70px);line-height:1.1}.detail-image{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}.detail-art{aspect-ratio:4/3}.spec-table{background:#fff}.spec-table>div{display:grid;grid-template-columns:145px 1fr;border-bottom:1px solid var(--line);padding:15px 18px}.guide-list>a{display:grid;grid-template-columns:70px 1fr 30px;align-items:center;gap:30px;border-top:1px solid var(--line);padding:32px 0;transition:.25s}.guide-list>a:last-child{border-bottom:1px solid var(--line)}.guide-list>a:hover{padding-left:14px;color:var(--orange)}.guide-list h2{font-size:28px;margin:4px 0}.guide-list p{margin:0;color:#697177}.download-feature{background:#17191c;color:#fff;display:grid;grid-template-columns:1fr 320px;gap:60px;padding:60px}.document-mark{background:var(--orange);padding:30px;display:flex;flex-direction:column;justify-content:space-between;min-height:340px}.document-mark strong{font-size:50px;line-height:1}.resource-index{margin-top:45px}.resource-index a{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:17px 0}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.contact-block{border-top:1px solid var(--line);padding:18px 0}.big-email{font-size:26px;font-weight:800}.inquiry-box{background:#fff;padding:35px;border:1px solid var(--line)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.inquiry-box label{display:block;margin-bottom:15px;font-weight:700}.inquiry-box input,.inquiry-box textarea{width:100%;border:1px solid var(--line);padding:12px;margin-top:5px;background:#fafafa}.cta-band{background:var(--orange);color:#fff;padding:70px 0}.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:40px}.cta-band h2{font-size:clamp(34px,4vw,56px);line-height:1.15;margin:8px 0}.cta-band p{margin:0}.cta-band .eyebrow{color:#fff}footer{background:#111416;color:#fff;padding:70px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:45px}.footer-brand img{filter:brightness(0) invert(1);width:160px}.footer-brand h3{font-size:25px}.footer-grid>div:not(:first-child) h3{font-size:13px;color:#8e969b;letter-spacing:.12em}.footer-grid a{display:block;color:#c7cbcd;margin:9px 0}.footer-grid a:hover{color:#ff6a2c}.footer-grid p{color:#aeb3b6}.copyright{border-top:1px solid #303438;margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;color:#7e878c;font-size:12px}.back-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;z-index:20}.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s var(--ease),transform .75s var(--ease)}.reveal.is-visible{opacity:1;transform:none}[hidden]{display:none!important}.caption,figcaption{font-size:12px;color:#7b8286}.narrow{max-width:850px}.prose section{margin:45px 0}.prose h2{font-size:32px}.article-number{color:var(--orange);font-weight:900}
/* 深色内容区使用真实企业与产品图片，保留深色遮罩确保文字可读。 */
.dark-photo{position:relative;isolation:isolate;background-color:#121518;background-repeat:no-repeat;background-size:cover;background-position:center}
.dark-photo:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,13,15,.96) 0%,rgba(10,13,15,.86) 48%,rgba(10,13,15,.72) 100%),linear-gradient(0deg,rgba(8,10,12,.82),rgba(8,10,12,.22) 58%,rgba(8,10,12,.66))}
.product-system-bg{background-image:url('../images/corrugated.webp');background-position:center 46%}
.manifesto-bg{background-image:url('../images/building.webp');background-position:center 52%}
.delivery-bg{background-image:url('../images/workshop-wide.webp');background-position:center 50%}
.object-chain-bg{background-image:url('../images/pe-production.webp');background-position:center 48%}
.trace-panel-photo{background:#171a1d url('../images/pe-production.webp') center/cover no-repeat;isolation:isolate}
.trace-panel-photo:before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(90deg,rgba(10,13,15,.96) 0%,rgba(10,13,15,.88) 52%,rgba(10,13,15,.67) 100%)}
.trace-panel-photo>.trace-copy,.trace-panel-photo>.trace-flow{position:relative;z-index:2}
.dark-photo .object-chain article,.trace-panel-photo .trace-flow span{background:rgba(25,30,34,.88);backdrop-filter:blur(3px)}
@media(max-width:700px){.dark-photo{background-position:62% center}.dark-photo:before{background:linear-gradient(90deg,rgba(9,12,14,.96),rgba(9,12,14,.82)),linear-gradient(0deg,rgba(6,8,10,.72),rgba(6,8,10,.18) 55%,rgba(6,8,10,.68))}.manifesto-bg{background-position:68% center}.trace-panel-photo{background-position:64% center}}
body>footer{background-color:#111416;background-image:linear-gradient(90deg,rgba(10,13,15,.97),rgba(10,13,15,.91)),url('../images/building.webp');background-size:cover;background-position:center 58%}