:root{
  --ink:#111315; --ink2:#1a1d1f; --steel:#5f676c; --muted:#687176;
  --line:#d9dddf; --paper:#f7f7f5; --white:#ffffff; --silver:#e8ebed;
  --copper:#a94f2d; --copper2:#c36a45; --max:1240px; --radius:2px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;line-height:1.65}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}
.header{position:sticky;top:0;z-index:50;background:rgba(247,247,245,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(17,19,21,.09)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;min-width:225px}.brand img{width:52px;height:52px;object-fit:contain}.brand-cn{font-size:17px;font-weight:800;letter-spacing:.05em}.brand-en{font-size:9px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase}.menu{display:flex;align-items:center;gap:22px;font-size:13px;color:#363c40}.menu a{padding:28px 0 25px;border-bottom:2px solid transparent}.menu a:hover,.menu a.active{color:var(--copper);border-bottom-color:var(--copper)}.nav-cta{background:var(--ink);color:#fff;padding:11px 16px;font-size:12px;white-space:nowrap}.hamb{display:none;background:none;border:0;font-size:25px}.mobile-menu{display:none;background:var(--paper);border-top:1px solid var(--line);padding:10px 24px 24px}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.hero{min-height:700px;display:grid;grid-template-columns:1.02fr .98fr;background:var(--ink);color:#fff}.hero-copy{display:flex;align-items:center;padding:80px max(42px,calc((100vw - var(--max))/2));padding-right:64px}.eyebrow,.kicker{font-size:11px;letter-spacing:.19em;text-transform:uppercase;color:var(--copper2);font-weight:800}.hero .eyebrow{color:#d8dadb}.hero h1{font-size:60px;line-height:1.08;letter-spacing:-.04em;margin:18px 0 26px}.hero h1 em{font-style:normal;color:#e6a184}.hero p{font-size:17px;color:#c4c9cb;max-width:650px;margin:0 0 30px}.buttons{display:flex;gap:11px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border:1px solid var(--ink);font-size:13px;cursor:pointer}.btn.primary{background:var(--copper);border-color:var(--copper);color:#fff}.btn.dark{background:var(--ink);color:#fff}.btn.ghost{border-color:rgba(255,255,255,.65);color:#fff}.hero-note{margin-top:38px;border-top:1px solid rgba(255,255,255,.16);padding-top:20px;color:#aeb5b8;font-size:13px}.hero-media{min-height:620px;position:relative;overflow:hidden}.hero-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.04)}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,19,21,.48),rgba(17,19,21,.02) 45%,rgba(17,19,21,.12))}
.pagehero{position:relative;min-height:500px;background:#111;color:#fff;display:flex;align-items:end;overflow:hidden}.pagehero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.74) contrast(1.06)}.pagehero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,19,21,.92),rgba(17,19,21,.42) 60%,rgba(17,19,21,.16))}.pagehero .wrap{position:relative;z-index:2;padding-bottom:64px}.pagehero h1{font-size:54px;line-height:1.08;max-width:850px;margin:12px 0 16px;letter-spacing:-.035em}.pagehero p{max-width:700px;color:#d0d4d6;margin:0;font-size:16px}
.stats{background:#fff;border-bottom:1px solid var(--line)}.statgrid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:32px 28px;border-right:1px solid var(--line)}.stat:first-child{border-left:1px solid var(--line)}.stat b{font-size:28px;letter-spacing:-.025em}.stat span{display:block;color:var(--muted);font-size:11px;letter-spacing:.06em;margin-top:4px}.section{padding:100px 0}.section.tight{padding:72px 0}.title{font-size:42px;line-height:1.14;letter-spacing:-.03em;margin:10px 0 18px}.lead{font-size:17px;color:var(--steel);max-width:780px;margin:0 0 42px}.dark-section{background:var(--ink);color:#fff}.dark-section .lead{color:#b9c0c3}.silver-section{background:var(--silver)}
.rhymed{font-size:46px;line-height:1.28;letter-spacing:-.03em;max-width:1000px;margin:18px 0 52px}.rhymed strong{color:#dfa080}.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.four{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.card{background:#fff;border:1px solid var(--line)}.card-img{height:250px;overflow:hidden}.card-img img{width:100%;height:100%;object-fit:cover;transition:.45s}.card:hover .card-img img{transform:scale(1.025)}.card-body{padding:22px}.card h3{margin:0 0 8px;font-size:20px}.card p{margin:0;color:var(--muted);font-size:13px}.card small{display:block;margin-top:15px;color:var(--copper);font-weight:800;letter-spacing:.05em}.feature{padding:30px;background:#fff}.feature b{font-size:13px}.feature h3{font-size:20px;margin:14px 0 8px}.feature p{font-size:13px;color:var(--muted);margin:0}.business{position:relative;height:430px;overflow:hidden}.business img{width:100%;height:100%;object-fit:cover}.business:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,19,21,.04),rgba(17,19,21,.82))}.business-content{position:absolute;left:30px;right:30px;bottom:27px;color:#fff;z-index:2}.business-content h3{font-size:30px;margin:0 0 8px}.business-content p{font-size:14px;color:#d8dcde;margin:0;max-width:560px}
.techgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#363a3d;border:1px solid #363a3d}.techcell{background:#171a1c;padding:34px 26px;min-height:220px}.symbol{font-family:Georgia,serif;font-size:43px;color:#dfa080}.techcell h3{font-size:17px;margin:12px 0 7px}.techcell p{font-size:13px;color:#aeb5b8;margin:0}.quote-block{border-left:3px solid var(--copper);padding:10px 0 10px 24px;font-size:28px;line-height:1.5;max-width:950px}.quote-block small{display:block;font-size:12px;color:var(--muted);margin-top:14px}.prooflist{border-top:1px solid var(--line)}.proofrow{display:grid;grid-template-columns:160px 1fr;gap:22px;padding:20px 0;border-bottom:1px solid var(--line)}.proofrow b{font-size:13px}.proofrow span{font-size:13px;color:var(--muted)}
.gallery{display:grid;grid-template-columns:1.3fr .85fr .85fr;grid-template-rows:300px 300px;gap:12px}.gallery figure{margin:0;overflow:hidden;position:relative;background:#ddd}.gallery figure:first-child{grid-row:1/3}.gallery img{width:100%;height:100%;object-fit:cover}.gallery figcaption{position:absolute;left:14px;bottom:12px;background:rgba(17,19,21,.72);color:#fff;padding:7px 9px;font-size:11px}.showcase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.showcase{height:430px;position:relative;overflow:hidden;background:#ddd}.showcase img{width:100%;height:100%;object-fit:cover}.showcase:after{content:"CHANGLI · SELECTED WORK";position:absolute;right:14px;bottom:12px;color:rgba(255,255,255,.72);font-size:9px;letter-spacing:.16em}.showcase .tag{position:absolute;left:16px;top:16px;background:rgba(17,19,21,.78);color:#fff;padding:8px 10px;font-size:11px}
.process-nav{display:flex;gap:8px;flex-wrap:wrap}.process-nav a{border:1px solid var(--line);background:#fff;padding:9px 12px;font-size:12px}.process-nav a:hover{border-color:var(--copper);color:var(--copper)}.specbox{background:var(--ink);color:#fff;padding:36px}.specbox h3{margin:0 0 20px;font-size:24px}.speclist{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#363a3d}.speclist div{background:#181b1d;padding:18px}.speclist b{display:block;color:#e2a083;font-size:11px;letter-spacing:.08em;margin-bottom:4px}.speclist span{font-size:13px;color:#d0d4d6}.note{background:#fff;border:1px dashed #aeb5b8;padding:24px;color:var(--muted);font-size:13px}.timeline{border-left:1px solid #bfc5c8;padding-left:30px}.timeitem{position:relative;padding:0 0 34px}.timeitem:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--copper);position:absolute;left:-35px;top:7px}.timeitem b{font-size:18px}.timeitem p{color:var(--muted);font-size:13px;margin:5px 0 0}.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.person{background:#fff;border:1px solid var(--line);padding:24px}.person h3{margin:0 0 5px;font-size:18px}.person small{color:var(--copper);font-weight:800}.person p{font-size:13px;color:var(--muted);margin:12px 0 0}
.cta{background:var(--copper);color:#fff}.ctagrid{display:grid;grid-template-columns:1fr .85fr;gap:64px;align-items:center}.cta h2{font-size:44px;line-height:1.18;letter-spacing:-.03em;margin:0 0 16px}.cta p{color:#f2d9cd;max-width:630px}.form{background:#fff;color:var(--ink);padding:28px}.form h3{margin:0 0 18px}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form input,.form textarea,.form select{width:100%;border:1px solid #dde1e3;padding:12px 13px;background:#fff;font:inherit;font-size:12px;margin-bottom:10px}.form textarea{min-height:90px;resize:vertical}.form button{width:100%;background:var(--ink);color:#fff;border:0;padding:13px 16px;font-size:13px}.form-status{font-size:11px;color:var(--muted);margin-top:10px}
.direct-contact-card{background:#fff;color:var(--ink);padding:30px;border:1px solid rgba(17,19,21,.08)}.contact-label{font-size:10px;letter-spacing:.16em;color:var(--copper);font-weight:800}.contact-person h3{font-size:30px;margin:6px 0 8px}.contact-person p{color:var(--muted);font-size:13px;margin:0 0 20px}.contact-actions{display:grid;gap:8px}.contact-action{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 16px;border:1px solid var(--line);background:var(--paper);transition:.2s}.contact-action:hover{border-color:var(--copper);transform:translateY(-1px)}.contact-action b{font-size:16px}.contact-action span{font-size:11px;color:var(--muted);text-align:right}.contact-tip{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px}.contact-item{padding:19px 0;border-bottom:1px solid var(--line)}.contact-item b{display:block;font-size:12px;margin-bottom:4px}.contact-item span{font-size:14px;color:var(--muted)}
.footer{background:#0c0e0f;color:#c7cbcd;padding:56px 0 28px}.footgrid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:38px}.footer h4{color:#fff;font-size:12px;margin:0 0 13px}.footer p,.footer a{font-size:11px;color:#8f979b;display:block;margin:6px 0}.legal{margin-top:40px;padding-top:20px;border-top:1px solid #292d30;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#697176;font-size:10px}
@media(max-width:980px){.menu,.nav-cta{display:none}.hamb{display:block}.hero{grid-template-columns:1fr}.hero-media{order:-1;min-height:410px}.hero-copy{padding:55px 28px}.hero h1{font-size:48px}.pagehero h1{font-size:46px}.statgrid{grid-template-columns:1fr 1fr}.two,.ctagrid,.contact-grid{grid-template-columns:1fr}.three,.team-grid{grid-template-columns:1fr 1fr}.techgrid{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr;grid-template-rows:340px 240px}.gallery figure:first-child{grid-column:1/3;grid-row:auto}.four{grid-template-columns:1fr 1fr}.footgrid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.contact-action{align-items:flex-start;flex-direction:column;gap:3px}.contact-action span{text-align:left}.wrap{width:min(var(--max),calc(100% - 30px))}.brand-cn{font-size:14px}.hero h1{font-size:38px}.pagehero{min-height:420px}.pagehero h1{font-size:38px}.title{font-size:33px}.rhymed{font-size:33px}.section{padding:74px 0}.statgrid,.three,.team-grid,.techgrid,.four,.row,.speclist,.gallery,.showcase-grid{grid-template-columns:1fr}.gallery{grid-template-rows:auto}.gallery figure:first-child{grid-column:auto}.gallery figure{height:270px}.showcase{height:310px}.stat{border-right:0;border-bottom:1px solid var(--line)}.footgrid{grid-template-columns:1fr}.proofrow{grid-template-columns:1fr}.cta h2{font-size:36px}}


/* V2.3 — image-first process pages */
.process-detail{padding:92px 0 104px;background:var(--paper)}
.process-showcase-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:58px;align-items:start}
.process-copy{padding-top:8px;position:sticky;top:118px}
.process-copy h1{font-size:62px;line-height:1.05;letter-spacing:-.045em;margin:14px 0 22px}
.process-copy .shortline{display:flex;align-items:center;gap:16px;color:var(--steel);font-size:14px;margin-bottom:56px}
.process-copy .shortline:before{content:"";width:38px;height:2px;background:var(--copper);flex:none}
.spec-range{border-top:1px solid var(--line);max-width:310px}
.range-item{padding:25px 0 22px;border-bottom:1px solid var(--line)}
.range-label{display:block;color:var(--steel);font-size:12px;margin-bottom:2px}
.range-number{font-size:52px;line-height:1.04;font-weight:800;letter-spacing:-.045em}
.range-number small{font-size:18px;color:var(--steel);font-weight:500;letter-spacing:0;margin-left:5px}
.range-note{font-size:12px;color:var(--muted);margin:22px 0 0;max-width:290px}
.process-photo-grid{display:grid;grid-template-columns:1.15fr .72fr .72fr .82fr;grid-template-rows:280px 280px;gap:12px;min-width:0}
.process-photo-grid figure{margin:0;position:relative;overflow:hidden;background:#d8d8d5}
.process-photo-grid .g1{grid-column:1;grid-row:1/3}.process-photo-grid .g2{grid-column:2/4;grid-row:1}.process-photo-grid .g3{grid-column:2;grid-row:2}.process-photo-grid .g4{grid-column:3;grid-row:2}.process-photo-grid .g5{grid-column:4;grid-row:1/3}
.process-photo-grid img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease,filter .45s ease;filter:saturate(.84) contrast(1.03)}
.process-photo-grid figure:hover img{transform:scale(1.018);filter:saturate(.92) contrast(1.04)}
.process-photo-grid figcaption{position:absolute;left:12px;bottom:11px;background:rgba(17,19,21,.78);color:#fff;padding:7px 9px;font-size:10px;letter-spacing:.04em}
.process-mini-contact{background:var(--ink);color:#fff;padding:34px 0}
.process-mini-contact .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.process-mini-contact h2{font-size:25px;margin:0 0 5px}.process-mini-contact p{font-size:12px;color:#aeb5b8;margin:0}
.process-mini-actions{display:flex;gap:8px;flex-wrap:wrap}.process-mini-actions a{border:1px solid #41474a;padding:10px 14px;font-size:12px;color:#fff}.process-mini-actions a:first-child{background:var(--copper);border-color:var(--copper)}
.motto-band{padding:78px 0;background:#111315;color:#fff;text-align:center}.motto-band .motto-cn{font-family:"Noto Serif SC","Songti SC",SimSun,serif;font-size:48px;letter-spacing:.12em;line-height:1.35;margin:5px 0 10px}.motto-band p{font-size:12px;color:#939a9e;margin:0;letter-spacing:.08em}.motto-band .kicker{color:#d99a7e}
@media(max-width:1100px){.process-showcase-grid{grid-template-columns:290px minmax(0,1fr);gap:34px}.process-photo-grid{grid-template-columns:1.05fr .72fr .72fr;grid-template-rows:270px 270px 240px}.process-photo-grid .g1{grid-column:1;grid-row:1/3}.process-photo-grid .g2{grid-column:2/4;grid-row:1}.process-photo-grid .g3{grid-column:2;grid-row:2}.process-photo-grid .g4{grid-column:3;grid-row:2}.process-photo-grid .g5{grid-column:1/4;grid-row:3}.process-copy h1{font-size:54px}}
@media(max-width:820px){.process-showcase-grid{grid-template-columns:1fr}.process-copy{position:static}.process-copy .shortline{margin-bottom:34px}.spec-range{display:grid;grid-template-columns:1fr 1fr;max-width:none;border-bottom:1px solid var(--line)}.range-item{border-bottom:0}.range-item+ .range-item{border-left:1px solid var(--line);padding-left:24px}.process-photo-grid{grid-template-columns:1fr 1fr;grid-template-rows:320px 220px 260px}.process-photo-grid .g1{grid-column:1;grid-row:1}.process-photo-grid .g2{grid-column:2;grid-row:1}.process-photo-grid .g3{grid-column:1;grid-row:2}.process-photo-grid .g4{grid-column:2;grid-row:2}.process-photo-grid .g5{grid-column:1/3;grid-row:3}.process-mini-contact .wrap{align-items:flex-start;flex-direction:column}.motto-band .motto-cn{font-size:38px}}
@media(max-width:560px){.process-detail{padding:64px 0 76px}.process-copy h1{font-size:44px}.range-number{font-size:42px}.process-photo-grid{grid-template-columns:1fr;grid-template-rows:300px 220px 220px 220px 300px}.process-photo-grid .g1,.process-photo-grid .g2,.process-photo-grid .g3,.process-photo-grid .g4,.process-photo-grid .g5{grid-column:1;grid-row:auto}.motto-band .motto-cn{font-size:31px;letter-spacing:.08em}}

/* V2.4 — proof-first, heavy-industry refinement */
.range-number.compact{font-size:36px;letter-spacing:-.035em}
.capability-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);background:#fff}
.capability-item{padding:28px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.capability-item b{display:block;font-size:26px;line-height:1.18;letter-spacing:-.025em;margin-bottom:8px}
.capability-item span{display:block;color:var(--muted);font-size:12px;line-height:1.65}
.material-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.material-block{background:#fff;border:1px solid var(--line);padding:28px}
.material-block h3{font-size:18px;margin:0 0 16px}
.token-list{display:flex;flex-wrap:wrap;gap:8px}
.token-list span{border:1px solid #d2d7d9;background:var(--paper);padding:8px 11px;font-size:12px;color:#3e4549}
.industry-feature{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.industry-card{min-height:390px;position:relative;overflow:hidden;background:#222;color:#fff}
.industry-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.78) contrast(1.04)}
.industry-card:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(9,11,12,.82),rgba(9,11,12,.08) 58%)}
.industry-card .industry-copy{position:absolute;z-index:2;left:28px;right:28px;bottom:24px}
.industry-card h3{font-size:34px;margin:0 0 4px}.industry-card p{font-size:12px;color:#d7dbdd;margin:0;max-width:540px}
.industry-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.industry-tags span{font-size:11px;border:1px solid var(--line);background:#fff;padding:8px 10px}
.confidential-note{margin-top:20px;padding:18px 20px;border-left:3px solid var(--copper);background:#f0f1ef;color:var(--steel);font-size:12px}
.proof-gallery{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:300px 300px;gap:12px}
.proof-gallery figure{margin:0;position:relative;overflow:hidden;background:#ddd}
.proof-gallery .p1{grid-row:1/3}.proof-gallery .p2{grid-column:2/4}.proof-gallery img{width:100%;height:100%;object-fit:cover;filter:saturate(.84) contrast(1.03)}
.proof-gallery figcaption{position:absolute;left:12px;bottom:10px;background:rgba(17,19,21,.78);color:#fff;padding:7px 9px;font-size:10px}
.history-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.history-photo{min-height:470px;background:#ddd;overflow:hidden}.history-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.82)}
.history-points{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:26px}
.history-points div{padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.history-points b{display:block;font-size:19px}.history-points span{font-size:11px;color:var(--muted)}
.timeline-wide{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #bfc5c8;border-left:1px solid #bfc5c8}
.timeline-wide .node{padding:20px 18px;border-right:1px solid #bfc5c8;border-bottom:1px solid #bfc5c8;background:#fff;min-height:142px}.timeline-wide .year{font-size:22px;font-weight:800;color:var(--copper)}.timeline-wide b{display:block;font-size:13px;margin:5px 0 7px}.timeline-wide p{font-size:11px;color:var(--muted);margin:0}
.entity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.entity-card{border:1px solid var(--line);background:#fff;padding:23px}.entity-card small{color:var(--copper);font-weight:800}.entity-card h3{font-size:18px;margin:7px 0}.entity-card p{font-size:12px;color:var(--muted);margin:0}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.honor{background:#fff;border:1px solid var(--line);overflow:hidden}.honor img{width:100%;height:235px;object-fit:cover;background:#ececea}.honor div{padding:14px 16px}.honor b{font-size:13px}.honor p{font-size:11px;color:var(--muted);margin:5px 0 0}
.factory-duo{display:grid;grid-template-columns:1fr 1fr;gap:14px}.factory-duo figure{margin:0;position:relative;height:420px;overflow:hidden;background:#ddd}.factory-duo img{width:100%;height:100%;object-fit:cover}.factory-duo figcaption{position:absolute;left:14px;bottom:12px;background:rgba(17,19,21,.78);color:#fff;padding:8px 10px;font-size:11px}
@media(max-width:980px){.capability-strip{grid-template-columns:1fr 1fr}.material-grid,.industry-feature,.history-intro,.factory-duo{grid-template-columns:1fr}.timeline-wide{grid-template-columns:1fr 1fr}.entity-grid{grid-template-columns:1fr 1fr}.honor-grid{grid-template-columns:1fr 1fr}.proof-gallery{grid-template-columns:1fr 1fr;grid-template-rows:320px 220px 260px}.proof-gallery .p1{grid-row:1}.proof-gallery .p2{grid-column:2}.proof-gallery figure:last-child{grid-column:1/3}}
@media(max-width:620px){.capability-strip,.material-grid,.industry-feature,.timeline-wide,.entity-grid,.honor-grid,.factory-duo,.history-points{grid-template-columns:1fr}.industry-card{min-height:330px}.proof-gallery{grid-template-columns:1fr;grid-template-rows:repeat(4,260px)}.proof-gallery .p1,.proof-gallery .p2,.proof-gallery figure:last-child{grid-column:auto;grid-row:auto}.factory-duo figure{height:300px}}


/* V2.4.2 — compact integration, retaining V2.4 visual language */
.compact-foot{grid-template-columns:1.35fr .8fr 1fr}
.compact-hero{min-height:440px}
.range-strip .capability-item b{font-size:29px}
.process-wall{display:grid;grid-template-columns:1.08fr .96fr .96fr;grid-auto-rows:255px;gap:12px;margin-top:34px}
.process-tile{margin:0;position:relative;overflow:hidden;background:#d9d9d6}
.process-tile.tall{grid-row:span 2}.process-tile.wide{grid-column:span 2}
.process-tile img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.04);transition:transform .35s ease}
.process-tile:hover img{transform:scale(1.018)}
.process-tile figcaption{position:absolute;left:13px;bottom:12px;background:rgba(17,19,21,.82);color:#fff;padding:8px 10px;font-size:11px;letter-spacing:.03em}
.compact-rhymed{margin-bottom:24px}
.plain-hero{min-height:420px;background:var(--ink)}
.plain-hero:after{background:linear-gradient(120deg,#111315 0%,#1e2326 100%)}
.contact-hero .wrap{padding-top:110px}
.address-line{display:flex;justify-content:space-between;gap:36px;border-top:1px solid #cfd4d6;border-bottom:1px solid #cfd4d6;padding:22px 0;font-size:14px}.address-line span{color:var(--steel)}
@media(max-width:980px){.compact-foot{grid-template-columns:1fr}.process-wall{grid-template-columns:1fr 1fr;grid-auto-rows:250px}.process-tile.tall{grid-row:span 1}.process-tile.wide{grid-column:span 2}}
@media(max-width:620px){.process-wall{grid-template-columns:1fr;grid-auto-rows:250px}.process-tile.wide{grid-column:span 1}.address-line{flex-direction:column;gap:6px}}

/* V2.4.3 — simpler hero, regular process matrix, history rail + manufacturing footprint */
.process-wall{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  grid-auto-rows:230px;
  gap:12px;
  margin-top:34px;
}
.process-tile,.process-tile.tall,.process-tile.wide{grid-column:span 1;grid-row:span 1}
.process-tile img{filter:saturate(.78) contrast(1.045)}

.founder-brief{grid-template-columns:.95fr 1.05fr;gap:52px}
.founder-brief .history-photo{min-height:420px}
.founder-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.founder-tags span{border:1px solid var(--line);background:#fff;padding:9px 12px;font-size:11px;color:#50585c}

.history-network{overflow:hidden}
.timeline-rail{
  position:relative;
  display:grid;
  grid-template-columns:repeat(8,minmax(0,1fr));
  gap:0;
  margin:42px 0 52px;
  padding-top:28px;
}
.timeline-rail:before{content:"";position:absolute;left:0;right:0;top:10px;height:1px;background:#aeb5b8}
.rail-node{position:relative;padding:0 14px 0 0;min-height:126px}
.rail-dot{position:absolute;top:-22px;left:0;width:11px;height:11px;border:2px solid var(--silver);background:var(--copper);border-radius:50%;box-shadow:0 0 0 1px var(--copper)}
.rail-node.current .rail-dot{width:15px;height:15px;top:-24px;background:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.rail-year{font-size:22px;font-weight:850;color:var(--copper);letter-spacing:-.02em;margin-bottom:7px}
.rail-node b{display:block;font-size:12px;line-height:1.45;margin-right:8px}
.rail-node p{font-size:10px;line-height:1.55;color:var(--muted);margin:5px 8px 0 0}
.network-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;padding-top:34px;border-top:1px solid #c7ccce;margin-bottom:18px}
.network-head h3{font-size:32px;margin:5px 0 0;letter-spacing:-.025em}
.network-head p{max-width:540px;margin:0;color:var(--steel);font-size:12px;text-align:right}
.cluster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.cluster-card{background:#fff;border:1px solid #d4d9db;padding:28px;min-height:205px;position:relative;overflow:hidden}
.cluster-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--copper)}
.cluster-card span{font-size:10px;letter-spacing:.15em;color:var(--copper);font-weight:800}
.cluster-card h3{font-size:22px;line-height:1.2;margin:12px 0 16px}
.cluster-card p{font-size:12px;line-height:1.8;color:var(--steel);margin:0}

.honor-feature{background:var(--ink);color:#fff;padding:30px 34px;margin:26px 0 14px;border-left:4px solid var(--copper)}
.honor-feature h3{font-size:30px;margin:6px 0 8px}
.honor-feature p{max-width:780px;margin:0;color:#b9c0c3;font-size:13px}
.honor-grid-3{grid-template-columns:repeat(3,1fr)}
.honor-grid-3 .honor img{height:270px}

@media(max-width:1100px){
  .process-wall{grid-template-columns:repeat(3,1fr);grid-auto-rows:235px}
  .timeline-rail{grid-template-columns:repeat(4,minmax(180px,1fr));overflow-x:auto;padding-bottom:12px}
  .cluster-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .process-wall{grid-template-columns:1fr 1fr;grid-auto-rows:230px}
  .founder-brief{grid-template-columns:1fr}
  .founder-brief .history-photo{min-height:320px}
  .timeline-rail{grid-template-columns:repeat(8,200px);overflow-x:auto;margin-bottom:38px}
  .network-head{align-items:flex-start;flex-direction:column;gap:12px}
  .network-head p{text-align:left}
  .cluster-grid,.honor-grid-3{grid-template-columns:1fr}
}
@media(max-width:520px){
  .process-wall{grid-template-columns:1fr;grid-auto-rows:260px}
}

/* Launch readiness: accessibility and reduced motion */
.skip-link{position:fixed;left:12px;top:12px;z-index:9999;background:#fff;color:#111315;padding:10px 14px;border:2px solid #111315;transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
a:focus-visible,button:focus-visible{outline:3px solid #c36a45;outline-offset:3px}
.privacy-copy{max-width:860px}.privacy-copy h2{font-size:20px;margin:34px 0 8px}.privacy-copy p{color:var(--steel);font-size:14px}.privacy-updated{margin-top:42px;font-size:12px!important;color:var(--muted)!important}
.legal a{color:#d7dbdd}.legal a:hover{text-decoration:underline}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}


/* V2.4.7 Mobile-first refinement: fast contact + responsive industrial layout */
.mobile-menu-contact{margin-top:10px!important;padding:13px 14px!important;background:var(--ink);color:#fff!important;border-bottom:0!important;font-weight:800}
.mobile-contact-bar{display:none}
.mobile-wechat-copy{font:inherit}

@media(max-width:980px){
  .nav{height:70px}
  .brand{min-width:0}.brand img{width:46px;height:46px}
  .hero{min-height:0;grid-template-columns:1fr}
  .hero-copy{order:1;padding:62px 28px 54px}
  .hero-media{order:2;min-height:360px;height:48vw;max-height:500px}
  .hero h1{max-width:720px}
  .pagehero .wrap{padding-bottom:52px}
}

@media(max-width:760px){
  body{padding-bottom:76px}
  .header{backdrop-filter:blur(9px)}
  .nav{height:64px;gap:12px}
  .brand{gap:9px}.brand img{width:41px;height:41px}.brand-cn{font-size:15px}.brand-en{font-size:8px}
  .hamb{padding:7px 3px;font-size:23px;color:var(--ink)}
  .mobile-menu{position:fixed;left:0;right:0;top:64px;z-index:49;padding:10px 20px 18px;box-shadow:0 16px 28px rgba(17,19,21,.12)}
  .mobile-menu a{font-size:15px;padding:12px 2px}

  .wrap{width:min(var(--max),calc(100% - 36px))}
  .hero-copy{padding:48px 18px 42px}
  .hero h1{font-size:42px;line-height:1.08;margin:14px 0 20px}
  .hero p{font-size:15px;margin-bottom:24px}
  .hero-note{margin-top:26px;padding-top:16px;font-size:12px}
  .hero-media{height:62vw;min-height:260px;max-height:360px}
  .buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .btn{padding:13px 12px}
  .stats .wrap{width:100%}.stat{padding:24px 20px}.stat b{font-size:23px}.stat span{font-size:10px}

  .section{padding:68px 0}.section.tight{padding:58px 0}.title{font-size:32px;margin:8px 0 15px}.lead{font-size:14px;margin-bottom:28px}
  .kicker,.eyebrow{font-size:10px}
  .capability-strip{grid-template-columns:1fr 1fr}.capability-item{padding:24px 18px}.capability-item b{font-size:17px}
  .industry-card{min-height:300px}.industry-copy{left:20px;right:20px;bottom:20px}.industry-copy h3{font-size:24px}
  .industry-tags{gap:7px}.industry-tags span{padding:8px 10px}
  .three{grid-template-columns:1fr 1fr;gap:10px}.card-img{height:200px}.card-body{padding:16px}.card h3{font-size:17px}.card small{font-size:9px}
  .rhymed{font-size:31px;line-height:1.35;margin:14px 0 34px}
  .quote-block{font-size:24px}.proofrow{padding:16px 0}
  .motto-band{padding:64px 0}.motto-band .motto-cn{font-size:34px;letter-spacing:.06em}
  .ctagrid{gap:30px}.cta h2{font-size:34px}.direct-contact-card{padding:22px}.contact-person h3{font-size:27px}
  .contact-action{padding:14px}.contact-action b{font-size:18px}

  .pagehero{min-height:390px}.pagehero .wrap{padding-bottom:42px}.pagehero h1{font-size:38px}.pagehero p{font-size:14px}
  .process-wall{grid-template-columns:1fr 1fr;grid-auto-rows:220px;gap:8px}.process-tile figcaption{left:10px;bottom:10px;font-size:10px}
  .process-mini-contact .wrap{gap:18px}.process-mini-contact h2{font-size:28px}.process-mini-actions a{display:block;text-align:center;padding:14px 18px}

  /* turn the desktop horizontal history rail into a true mobile vertical timeline */
  .timeline-rail{display:block;overflow:visible;margin:34px 0 44px;padding:0 0 0 25px;border-left:1px solid #aeb5b8}
  .timeline-rail:before{display:none}
  .rail-node{min-height:0;padding:0 0 28px 18px}
  .rail-node:last-child{padding-bottom:0}
  .rail-dot,.rail-node.current .rail-dot{left:-31px;top:6px;width:11px;height:11px}
  .rail-node.current .rail-dot{width:13px;height:13px;left:-32px;top:5px}
  .rail-year{font-size:21px;margin-bottom:3px}.rail-node b{font-size:13px}.rail-node p{font-size:11px;margin-top:3px}
  .network-head h3{font-size:28px}.cluster-card{min-height:0;padding:24px}
  .honor-feature{padding:24px 22px}.honor-feature h3{font-size:27px}
  .factory-duo figure{height:260px}

  .footer{padding-bottom:24px}.footgrid{gap:28px}.legal{gap:8px;align-items:flex-start;flex-direction:column}

  /* persistent contact surface: always one tap from the technical decision-maker */
  .mobile-contact-bar{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(17,19,21,.98);color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:8px max(10px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));box-shadow:0 -10px 30px rgba(0,0,0,.18)}
  .mobile-contact-info{min-width:0;padding-right:8px;line-height:1.25}.mobile-contact-info span{display:block;font-size:9px;color:#adb4b7;letter-spacing:.08em}.mobile-contact-info strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
  .mobile-wechat-copy,.mobile-call{border:0;border-radius:0;display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 13px;font-size:12px;font-weight:800;white-space:nowrap}
  .mobile-wechat-copy{background:#2a2e30;color:#fff;cursor:pointer}.mobile-call{background:var(--copper);color:#fff;margin-left:6px}
  .mobile-wechat-copy.copied{background:#3d5d45}
}

@media(max-width:520px){
  .wrap{width:min(var(--max),calc(100% - 28px))}
  .hero-copy{padding:42px 14px 38px}.hero h1{font-size:36px}.hero p{font-size:14px}.hero-media{height:67vw;min-height:240px}
  .buttons{grid-template-columns:1fr}.statgrid{grid-template-columns:1fr 1fr}.stat{padding:20px 14px}.stat b{font-size:20px}
  .capability-strip{grid-template-columns:1fr}.three{grid-template-columns:1fr}.card-img{height:250px}
  .process-wall{grid-template-columns:1fr;grid-auto-rows:260px}.pagehero h1{font-size:34px}.pagehero{min-height:360px}
  .contact-grid{gap:28px}.contact-action b{font-size:17px}
  .mobile-contact-info strong{font-size:12px}.mobile-wechat-copy,.mobile-call{padding:0 10px;font-size:11px}
}

@media(max-width:390px){
  .mobile-contact-info span{display:none}.mobile-contact-info strong{font-size:11px}
  .mobile-wechat-copy,.mobile-call{height:42px;padding:0 9px}
}