:root{--ink:#20282d;--blue:#294450;--muted:#69757a;--paper:#f7f5ef;--panel:#eef0ed;--line:#d7d9d4;--accent:#d56642;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:14px}a{color:inherit}img{max-width:100%}.container{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}.site-header{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(32px,calc((100% - 1240px)/2));background:rgba(255,255,255,.96);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand-mark{width:21px;height:27px;border-left:3px solid var(--accent);position:relative}.brand-mark:after{content:"";position:absolute;left:4px;top:4px;width:11px;height:17px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.brand strong{display:block;font-size:16px;letter-spacing:.08em;font-weight:600}.brand small{display:block;color:#8a9395;font-size:8px;letter-spacing:.18em;margin-top:3px}.site-header nav{display:flex;gap:30px}.site-header nav a,.footer-nav a{font-size:12px;text-decoration:none;color:#39464c}.site-header nav a:hover,.footer-nav a:hover{color:var(--accent)}.header-action{font-size:11px;border:1px solid var(--ink);padding:10px 14px;text-decoration:none}.header-action span{color:var(--accent);font-size:15px;margin-left:10px}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--accent);font-weight:700;margin:0 0 17px}.button{display:inline-flex;align-items:center;gap:26px;text-decoration:none;font-size:12px;padding:13px 17px;border:1px solid var(--ink)}.button span{font-size:17px}.button-primary{border-color:var(--accent);background:var(--accent);color:#fff}.button-dark{border-color:#fff;color:#fff}.page-head{padding:76px 0 72px;background:var(--paper)}.page-head-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end}.page-head h1{font-size:clamp(48px,6vw,76px);line-height:1.04;letter-spacing:-.07em;font-weight:600;margin:0}.page-head h1 em{font-style:normal;color:var(--accent)}.page-head-copy{max-width:400px;color:var(--muted);line-height:1.9;font-size:14px}.hero{background:var(--paper);padding:80px 0 92px}.hero-grid{max-width:1240px;margin:auto;padding:0 32px;display:grid;grid-template-columns:46% 54%;align-items:center;gap:40px}.hero-copy{padding-left:50px}.hero h1{font-size:clamp(48px,6.2vw,84px);line-height:1.03;letter-spacing:-.08em;font-weight:600;margin:0}.hero h1 em{font-style:normal;color:var(--accent)}.hero-lead{max-width:390px;color:var(--muted);font-size:15px;line-height:1.9;margin:27px 0 34px}.hero-meta{display:flex;gap:30px;margin-top:54px}.hero-meta div{display:grid;gap:6px;border-left:2px solid var(--accent);padding-left:12px}.hero-meta 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i{font-style:normal;color:var(--accent);margin-left:auto}.section{padding:104px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:39px}.section-title h2{font-size:43px;line-height:1.08;letter-spacing:-.06em;font-weight:600;margin:0}.section-title h2 em{font-style:normal;color:var(--accent)}.section-title>p{max-width:320px;color:var(--muted);font-size:13px;line-height:1.85;margin:0}.home-products .product-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.home-product{border:1px solid var(--line);background:#fff}.home-product figure{height:310px;margin:0;background:#f0f1ed;display:flex;align-items:center;justify-content:center;overflow:hidden}.home-product figure img{width:88%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .35s}.home-product:nth-child(3) figure img{width:100%;mix-blend-mode:normal}.home-product:hover figure img{transform:scale(1.04)}.home-product-copy{padding:22px 23px 25px}.home-product-copy small{color:var(--accent);font-size:9px;letter-spacing:.17em}.home-product-copy h3{font-size:25px;font-weight:500;margin:12px 0 7px}.home-product-copy p{color:var(--muted);font-size:12px;line-height:1.7;margin:0 0 22px}.home-product-copy a{font-size:11px;text-decoration:none}.home-product-copy a span{color:var(--accent);font-size:16px;margin-left:12px}.scenarios{background:var(--panel);padding:94px 0}.scenario-list{border-top:1px solid #cdd1cd}.scenario-row{display:grid;grid-template-columns:65px 1fr 25px;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid #cdd1cd}.scenario-row b{font-size:11px;color:var(--accent)}.scenario-row h3{font-size:19px;font-weight:500;margin:0 0 5px}.scenario-row p{font-size:12px;color:var(--muted);margin:0;line-height:1.7}.scenario-row>a{text-decoration:none;color:var(--accent);font-size:17px}.capabilities{background:var(--blue);color:#fff;padding:90px 0}.capabilities-grid{display:grid;grid-template-columns:38% 62%;gap:75px;align-items:start}.capabilities h2{font-size:43px;line-height:1.08;letter-spacing:-.06em;margin:0}.capabilities-copy>p:last-child{color:#b6c1c3;line-height:1.9;font-size:13px;max-width:330px;margin-top:22px}.capability-list{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid rgba(255,255,255,.28)}.capability-list>div{padding:10px 22px 0;border-right:1px solid rgba(255,255,255,.28)}.capability-list b{color:var(--accent);font-size:11px}.capability-list h3{font-size:18px;font-weight:500;margin:54px 0 11px}.capability-list p{color:#b6c1c3;font-size:11px;line-height:1.8;margin:0}.about-teaser{padding:95px 0}.about-teaser-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.about-teaser h2{font-size:43px;line-height:1.1;letter-spacing:-.06em;margin:0}.about-teaser h2 em{font-style:normal;color:var(--accent)}.about-teaser-copy{color:var(--muted);line-height:1.9;font-size:14px;max-width:460px}.about-teaser-copy .button{margin-top:25px}.dark-cta{background:var(--ink);color:#fff;padding:74px 0}.dark-cta-grid{display:flex;justify-content:space-between;align-items:center;gap:50px}.dark-cta h2{font-size:39px;line-height:1.1;letter-spacing:-.06em;margin:0}.dark-cta p{color:#b8c1c3;font-size:13px;line-height:1.8;max-width:350px}.catalog{background:#fff}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;margin:0 0 28px}.catalog-filters{display:flex;flex-wrap:wrap;gap:7px}.catalog-filters button{font:inherit;font-size:11px;color:#59656a;background:#fff;border:1px solid #c8cbc7;padding:9px 13px;cursor:pointer}.catalog-filters button.active{background:var(--ink);color:#fff;border-color:var(--ink)}#catalog-count{font-size:11px;color:#8a9294}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.catalog-card{position:relative;display:grid;grid-template-columns:38% 62%;min-height:190px;border:1px solid var(--line);background:#fff;overflow:hidden;transition:transform .2s,box-shadow .2s}.catalog-card:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(32,40,45,.08)}.catalog-card-image{background:#f1f2ee;display:flex;align-items:center;justify-content:center;overflow:hidden}.catalog-card-image img{width:100%;height:100%;padding:10px;object-fit:contain;mix-blend-mode:multiply}.catalog-card-body{padding:16px 25px 15px 15px}.catalog-card-body>span{color:var(--accent);font-size:10px}.catalog-card-body h3{font-size:17px;font-weight:500;margin:9px 0 10px}.catalog-card-body ul{padding:0;margin:0;list-style:none;color:var(--muted);font-size:10px;line-height:1.7}.catalog-card-body li:before{content:"•";color:var(--accent);margin-right:5px}.catalog-card-body small{display:block;color:#9aa2a3;font-size:9px;margin-top:10px}.catalog-arrow{position:absolute;right:11px;bottom:10px;text-decoration:none;color:var(--accent);font-size:16px}.catalog-more{display:block;margin:32px auto 0;border:1px solid var(--ink);background:#fff;color:var(--ink);padding:11px 18px;font-size:11px;cursor:pointer}.catalog-more[hidden]{display:none}.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:55px}.solution-card{min-height:255px;padding:22px;background:var(--panel);border-top:2px solid var(--accent);display:flex;flex-direction:column;justify-content:space-between}.solution-card:nth-child(2){background:#f2eee8}.solution-card:nth-child(3){background:#eaf0ee}.solution-card span{font-size:11px;color:var(--accent)}.solution-card h3{font-size:24px;font-weight:500;margin:0 0 8px}.solution-card p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}.solution-card a{font-size:11px;text-decoration:none}.industry-band{background:var(--blue);color:#fff;padding:84px 0}.industry-band-grid{display:grid;grid-template-columns:40% 60%;gap:70px}.industry-band h2{font-size:42px;line-height:1.1;letter-spacing:-.06em;margin:0}.industry-band p{color:#b5c1c3;line-height:1.9;font-size:13px;max-width:360px}.industry-list{border-top:1px solid rgba(255,255,255,.25)}.industry-list div{display:grid;grid-template-columns:55px 1fr;gap:15px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.25)}.industry-list b{color:var(--accent);font-size:11px}.industry-list span{font-size:14px}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}.about-layout h2{font-size:43px;line-height:1.1;letter-spacing:-.06em;margin:0}.about-layout h2 em{font-style:normal;color:var(--accent)}.about-layout p{color:var(--muted);line-height:1.95;font-size:14px}.about-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:35px}.about-metrics div{background:#fff;padding:20px}.about-metrics b{display:block;font-size:26px;color:var(--accent);font-weight:500}.about-metrics span{display:block;color:var(--muted);font-size:10px;margin-top:7px}.contact-panel{background:var(--panel);padding:65px 0}.contact-panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.contact-panel h2{font-size:39px;line-height:1.1;letter-spacing:-.06em;margin:0}.contact-panel p{color:var(--muted);line-height:1.9;font-size:13px}.contact-details{border-top:1px solid var(--line);margin-top:25px}.contact-details div{display:grid;grid-template-columns:110px 1fr;padding:14px 0;border-bottom:1px solid var(--line);font-size:12px}.contact-details span:first-child{color:#7d878a}.contact-details a{text-decoration:none}.contact-form{background:#fff;padding:26px}.contact-form label{font-size:11px;color:var(--muted);display:block;margin-bottom:6px}.contact-form input,.contact-form textarea{display:block;width:100%;border:1px solid #d2d5d1;background:#fff;padding:11px 12px;margin-bottom:14px;font:inherit;font-size:12px}.contact-form textarea{min-height:105px;resize:vertical}.contact-form button{cursor:pointer;font:inherit}.form-note{font-size:10px!important;color:#90989a!important;margin:13px 0 0}.site-footer{padding:35px 0;background:#fff;border-top:1px solid var(--line)}.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:40px}.footer-nav{display:flex;gap:24px}.site-footer small{color:#8b9395;font-size:10px}@media(max-width:900px){.site-header nav{gap:16px}.hero-grid,.page-head-grid,.capabilities-grid,.about-teaser-grid,.industry-band-grid,.about-layout,.contact-panel-grid{grid-template-columns:1fr;gap:35px}.hero-copy{padding-left:0}.hero-media{min-height:430px}.capability-list{margin-top:20px}.home-products .product-cards,.solutions-grid{grid-template-columns:1fr 1fr}.home-product:nth-child(3){grid-column:1/-1}.catalog-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.container{padding-left:20px;padding-right:20px}.site-header{height:68px;padding:0 20px}.site-header nav{display:none}.header-action{font-size:10px;padding:9px}.hero{padding:55px 0 65px}.hero-grid{padding:0 20px}.hero h1{font-size:55px}.hero-media{min-height:360px}.hero-media img{height:420px;width:91%}.hero-label{left:14px;bottom:40px}.credibility{padding:16px 0}.credibility-inner{padding:0 20px;gap:14px;flex-wrap:wrap}.credibility i{margin-left:0}.section{padding:76px 0}.section-title{display:block}.section-title>p{margin-top:20px}.section-title h2{font-size:38px}.home-products .product-cards,.solutions-grid,.catalog-grid{grid-template-columns:1fr}.home-product:nth-child(3){grid-column:auto}.home-product figure{height:270px}.scenarios{padding:70px 0}.scenario-row{grid-template-columns:38px 1fr 20px;gap:10px}.capabilities{padding:72px 0}.capabilities h2,.about-teaser h2,.industry-band h2,.about-layout h2{font-size:38px}.capability-list{display:block;border-left:0}.capability-list>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.28);padding:20px 0}.capability-list h3{margin:13px 0 7px}.dark-cta{padding:62px 0}.dark-cta-grid{display:block}.dark-cta p{margin:20px 0}.page-head{padding:62px 0 55px}.page-head-grid{display:block}.page-head-copy{margin-top:25px}.catalog-toolbar{display:block}.catalog-filters{margin-bottom:15px}.industry-band{padding:70px 0}.footer-grid{display:block}.footer-nav{margin:22px 0;flex-wrap:wrap;gap:15px}}.catalog-card[role="button"]{cursor:pointer}.catalog-card[role="button"]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.product-modal[hidden]{display:none}.product-modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:24px;background:rgba(32,40,45,.62)}.product-modal-panel{position:relative;width:min(900px,100%);max-height:min(760px,calc(100vh - 48px));overflow:auto;background:#fff;box-shadow:0 26px 70px rgba(0,0,0,.24)}.product-modal-close{position:absolute;right:18px;top:14px;border:0;background:transparent;color:var(--ink);font-size:28px;line-height:1;cursor:pointer;z-index:1}.product-modal-grid{display:grid;grid-template-columns:44% 56%;min-height:460px}.product-modal-image{display:flex;align-items:center;justify-content:center;padding:34px;background:#f0f1ed}.product-modal-image img{width:100%;height:100%;max-height:500px;object-fit:contain;mix-blend-mode:multiply}.product-modal-copy{padding:54px 48px 42px}.product-modal-copy h2{font-size:34px;line-height:1.1;letter-spacing:-.05em;font-weight:600;margin:0 0 9px}.product-modal-models{color:var(--muted);font-size:13px;margin:0 0 25px}.product-modal-specs{border-top:1px solid var(--line)}.product-modal-specs div{display:grid;grid-template-columns:110px 1fr;gap:15px;padding:11px 0;border-bottom:1px solid var(--line);font-size:12px}.product-modal-specs span{color:#899294}.product-modal-specs b{font-weight:400;color:var(--ink);line-height:1.55}.spec-model-value{display:inline-flex;gap:8px;margin-right:16px;align-items:baseline}.spec-model-value strong{font-size:10px;color:var(--blue);font-weight:600;white-space:nowrap}.product-modal-source{color:#90989a;font-size:10px;line-height:1.65;margin:22px 0}.modal-open{overflow:hidden}@media(max-width:680px){.product-modal{padding:12px}.product-modal-grid{grid-template-columns:1fr}.product-modal-image{min-height:230px;max-height:300px;padding:22px}.product-modal-copy{padding:34px 22px 28px}.product-modal-copy h2{font-size:29px}.product-modal-specs div{grid-template-columns:92px 1fr}}
/* Typography system: clear hierarchy, comfortable Chinese reading, restrained industrial spacing. */
:root{--body-size:15px;--body-leading:1.7}
body{font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:var(--body-size);line-height:var(--body-leading);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.container{max-width:1200px}
.brand strong{font-size:17px;letter-spacing:.06em}.brand small{font-size:9px;letter-spacing:.14em}
.site-header nav{gap:32px}.site-header nav a,.footer-nav a{font-size:13px;line-height:1.4}.header-action{font-size:13px;padding:11px 16px;line-height:1.35}
.eyebrow{font-size:11px;letter-spacing:.13em;margin-bottom:15px;line-height:1.4}.button{font-size:13px;line-height:1.3;padding:13px 18px}
.page-head{padding:70px 0 64px}.page-head-grid{gap:64px}.page-head h1{font-size:clamp(42px,5.2vw,68px);line-height:1.12;letter-spacing:0}.page-head-copy{font-size:15px;line-height:1.85}
.hero{padding:76px 0 84px}.hero-grid{gap:52px}.hero h1{font-size:clamp(44px,5.8vw,72px);line-height:1.1;letter-spacing:0}.hero-lead{font-size:16px;line-height:1.85;margin:25px 0 32px}.hero-meta{gap:32px;margin-top:48px}.hero-meta b{font-size:25px}.hero-meta span{font-size:12px}
.credibility{padding:18px 0}.credibility-inner{gap:30px;font-size:13px}.section{padding:92px 0}.section-title{margin-bottom:42px}.section-title h2{font-size:clamp(32px,4vw,42px);line-height:1.2;letter-spacing:0}.section-title>p{font-size:14px;line-height:1.85}
.home-product-copy{padding:22px 24px 26px}.home-product-copy small{font-size:11px}.home-product-copy h3{font-size:22px;margin:11px 0 8px}.home-product-copy p{font-size:14px;line-height:1.8}.home-product-copy a{font-size:13px}
.scenarios{padding:84px 0}.scenario-row{padding:24px 0}.scenario-row b{font-size:12px}.scenario-row h3{font-size:20px;margin-bottom:6px}.scenario-row p{font-size:13px;line-height:1.75}
.capabilities{padding:84px 0}.capabilities h2{font-size:42px;line-height:1.15;letter-spacing:0}.capabilities-copy>p:last-child{font-size:14px;line-height:1.85}.capability-list b{font-size:12px}.capability-list h3{font-size:20px;margin-top:50px}.capability-list p{font-size:13px;line-height:1.8}
.about-teaser{padding:88px 0}.about-teaser h2{font-size:42px;line-height:1.15;letter-spacing:0}.about-teaser-copy{font-size:15px;line-height:1.85}.dark-cta{padding:68px 0}.dark-cta h2{font-size:39px;line-height:1.16;letter-spacing:0}.dark-cta p{font-size:14px;line-height:1.85}
.catalog-toolbar{margin-bottom:30px}.catalog-filters button{font-size:13px;padding:9px 14px}#catalog-count{font-size:13px}.catalog-card{min-height:210px}.catalog-card-body{padding:18px 28px 17px 18px}.catalog-card-body>span{font-size:11px}.catalog-card-body h3{font-size:19px;margin:9px 0 11px}.catalog-card-body ul{font-size:12px;line-height:1.7}.catalog-card-body small{font-size:11px;margin-top:11px}.catalog-more{font-size:13px;padding:12px 20px}
.solutions-grid{margin-top:52px}.solution-card{padding:24px;min-height:258px}.solution-card span{font-size:12px}.solution-card h3{font-size:22px;margin-bottom:9px}.solution-card p{font-size:14px;line-height:1.8}.solution-card a{font-size:13px}
.industry-band{padding:78px 0}.industry-band h2{font-size:42px;line-height:1.15;letter-spacing:0}.industry-band p{font-size:14px;line-height:1.85}.industry-list b{font-size:12px}.industry-list span{font-size:15px}
.about-layout h2{font-size:42px;line-height:1.15;letter-spacing:0}.about-layout p{font-size:15px;line-height:1.9}.about-metrics b{font-size:28px}.about-metrics span{font-size:12px}
.contact-panel{padding:60px 0}.contact-panel h2{font-size:39px;line-height:1.15;letter-spacing:0}.contact-panel p{font-size:14px;line-height:1.85}.contact-details div{font-size:13px;padding:15px 0}.contact-form{padding:28px}.contact-form label{font-size:12px}.contact-form input,.contact-form textarea{font-size:13px;padding:12px 13px}.form-note{font-size:11px!important}
.site-footer{padding:38px 0}.site-footer small{font-size:12px}.product-modal-copy h2{font-size:36px;line-height:1.15;letter-spacing:0}.product-modal-models{font-size:14px}.product-modal-specs div{font-size:13px;line-height:1.65}.product-modal-source{font-size:11px}
@media(max-width:680px){
  body{font-size:15px}.site-header nav{gap:18px}.header-action{font-size:12px}.page-head{padding:56px 0 50px}.page-head h1{font-size:clamp(40px,12vw,52px);line-height:1.16}.page-head-copy{font-size:15px;line-height:1.8}
  .hero{padding:54px 0 64px}.hero h1{font-size:clamp(44px,13vw,58px);line-height:1.14}.hero-lead{font-size:15px;line-height:1.85}.hero-meta{gap:22px;margin-top:40px}.hero-meta b{font-size:23px}.hero-meta span{font-size:11px}
  .section{padding:72px 0}.section-title{margin-bottom:32px}.section-title h2{font-size:34px;line-height:1.2}.section-title>p{font-size:14px;line-height:1.8}.scenarios{padding:66px 0}.scenario-row{padding:21px 0}.scenario-row h3{font-size:19px}.scenario-row p{font-size:13px}
  .capabilities{padding:68px 0}.capabilities h2,.about-teaser h2,.industry-band h2,.about-layout h2{font-size:35px;line-height:1.18}.dark-cta{padding:58px 0}.dark-cta h2{font-size:34px}.solutions-grid{margin-top:34px}.solution-card{min-height:230px;padding:22px}.solution-card h3{font-size:21px}.industry-band{padding:64px 0}.contact-panel{padding:52px 0}.contact-panel h2{font-size:34px}.contact-form{padding:22px}.product-modal-copy h2{font-size:30px}.product-modal-models{font-size:13px}.product-modal-specs div{font-size:13px;grid-template-columns:92px 1fr;gap:12px}.catalog-card{display:block;min-height:0}.catalog-card-image{height:205px}.catalog-card-body{padding:18px}.catalog-card-body h3{font-size:20px}.catalog-card-body ul{font-size:12px}.catalog-card-body small{font-size:11px}.catalog-arrow{right:16px;bottom:16px}.home-product-copy h3{font-size:24px}.scenario-row h3{font-size:19px}.site-header .brand strong{font-size:16px}
}