:root{--blue:#0753b5;--navy:#14263c;--ink:#1b2a3b;--muted:#647387;--line:#dfe5ec;--pale:#f3f6fa;--white:#fff;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:105px}
*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,select{font:inherit}button{cursor:pointer}button,a,select{-webkit-tap-highlight-color:transparent}button{color:inherit}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #328bfa;outline-offset:4px}button:disabled{opacity:.4;cursor:default}.skip{position:fixed;left:10px;top:-80px;background:var(--blue);color:white;padding:10px;z-index:100}.skip:focus{top:10px}.topbar{min-height:90px;padding:18px max(32px,calc((100vw - 1320px)/2));display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:sticky;top:0;z-index:10}.brand{display:flex;gap:20px;align-items:center;flex-shrink:0}.brand-mark{font-size:45px;font-weight:900;font-style:italic;letter-spacing:-4px;line-height:1;color:#eb251b;position:relative}.brand-mark sup{font-style:normal;font-size:12px;letter-spacing:0;position:absolute;top:-2px;right:-10px}.brand-copy{display:grid;line-height:1.2;gap:5px;padding-left:18px;border-left:1px solid var(--line)}.brand-copy strong{font-size:20px;letter-spacing:3px}.brand-copy small{font-size:12px;letter-spacing:1.4px;color:var(--muted)}.topbar nav{display:flex;gap:36px;margin-left:auto}.topbar nav a{font-size:14px;padding:10px 0;white-space:nowrap}.topbar nav a:hover{color:var(--blue)}.header-download{border:1px solid var(--line);padding:10px 16px;font-size:14px;white-space:nowrap}.header-download span{font-size:19px;padding-left:12px}.header-download:hover{background:var(--pale)}main{max-width:1320px;margin:auto}.intro{display:grid;grid-template-columns:1fr 1fr;position:relative;min-height:390px;margin:30px 0 0;background:var(--pale);overflow:hidden}.intro-copy{padding:38px 42px;position:relative;z-index:1}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.6px;color:var(--muted);margin:0 0 18px}.intro .eyebrow{display:flex;align-items:center;gap:10px;color:var(--blue)}.eyebrow span{width:6px;height:6px;background:var(--blue)}h1{font-size:48px;line-height:1.2;letter-spacing:1px;margin:18px 0;color:var(--navy);font-weight:650}h1 span{display:block;color:var(--blue)}.intro-copy p{color:var(--muted);font-size:16px;margin:20px 0}.text-link{display:inline-flex;gap:28px;align-items:center;color:var(--blue);font-size:14px;font-weight:600;border:0;background:transparent;padding:7px 0}.text-link span{font-size:22px;line-height:1}.intro-image{position:relative;min-width:0;display:flex;align-items:center;justify-content:center;padding:34px 30px 56px}.year{position:absolute;top:0;right:34px;font-size:138px;font-weight:750;letter-spacing:-9px;line-height:1;color:#e5ebf2}.intro-image img{width:510px;position:relative;mix-blend-mode:multiply;z-index:1}.image-caption{position:absolute;bottom:26px;left:38px;right:30px;display:flex;justify-content:space-between;border-top:1px solid #ced7e4;padding-top:10px;font-size:12px;color:var(--muted)}.image-caption span:first-child{letter-spacing:1px;color:var(--blue)}.mobile-break{display:none}.catalog-meta{display:grid;grid-template-columns:180px 180px 180px 1fr;align-items:center;padding:24px 0 26px;border-bottom:1px solid var(--line)}.catalog-meta>div{display:flex;align-items:baseline;gap:12px;border-right:1px solid var(--line);padding-left:28px}.catalog-meta>div:first-child{padding-left:0}.catalog-meta strong{font-size:26px;line-height:1.1;font-weight:500;color:var(--navy);font-variant-numeric:tabular-nums}.catalog-meta span{font-size:12px;color:var(--muted)}.catalog-meta .meta-note{border:0;font-size:14px;justify-self:end;display:grid;gap:0}.meta-note span{font-size:12px}.catalog-layout{display:grid;grid-template-columns:215px minmax(0,1fr);gap:32px;padding-top:44px;align-items:start}.directory-inner{position:sticky;top:125px}.directory{align-self:stretch}.directory .eyebrow{font-size:12px;letter-spacing:1px;margin-bottom:18px}.directory nav{display:grid}.directory nav a{display:flex;gap:11px;align-items:center;padding:15px 12px 15px 0;border-bottom:1px solid var(--line);font-size:15px}.directory nav a span{font-size:12px;color:#8592a4}.directory nav a small{margin-left:auto;font-size:12px;color:#8592a4}.directory nav a:hover,.directory nav a.active{color:var(--blue)}.directory nav a.active{border-bottom-color:var(--blue);font-weight:600}.directory-note{margin-top:40px;padding:22px 18px;background:var(--pale);font-size:14px}.mini-book{display:block;font-size:28px;line-height:1;margin-bottom:14px;color:var(--blue)}.directory-note strong{font-size:15px}.directory-note p{font-size:14px;color:var(--muted);margin:8px 0}.directory-note .text-link{gap:10px}.product-group{margin-bottom:48px;scroll-margin-top:110px}.group-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.group-heading h2{margin:0;font-size:26px;font-weight:600;line-height:1.3}.group-heading h2 span{font-size:13px;font-weight:400;margin-left:14px;color:var(--muted)}.group-heading p{margin:8px 0 0;font-size:14px;color:var(--muted)}.group-en{font-size:12px;letter-spacing:1px;text-align:right;color:var(--muted);padding-top:9px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card{display:flex;flex-direction:column;position:relative;border:1px solid var(--line);background:white;padding:0;text-align:left;border-radius:2px;overflow:hidden;transition:border-color .18s,box-shadow .18s,transform .18s;min-width:0}.product-card:hover{border-color:#7c9fcf;box-shadow:0 8px 24px #1435590d;transform:translateY(-3px)}.product-image{background:#fff;padding:20px 20px 8px;aspect-ratio:1.68;display:flex;align-items:center;justify-content:center}.product-image img{width:100%;height:100%;object-fit:contain}.card-body{padding:10px 20px 17px;display:flex;flex-direction:column;flex:1}.card-topline{display:flex;gap:10px;align-items:center;justify-content:space-between}.card-series{font-size:25px;line-height:1.3;font-weight:600;color:var(--navy);letter-spacing:-.6px}.card-tag{font-size:12px;color:var(--blue);background:#eef4fc;padding:3px 6px;white-space:nowrap}.card-body h3{font-size:14px;font-weight:400;margin:7px 0 15px;line-height:1.6;min-height:2.1em}.card-spec{font-size:13px;color:var(--muted);display:grid;gap:2px;margin-top:auto;padding-bottom:15px}.card-spec b{font-weight:500;color:#3d4e62}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:var(--muted)}.card-bottom span:last-child{font-size:18px;color:var(--blue)}.section-pad{padding:50px 0;border-top:1px solid var(--line);scroll-margin-top:90px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.section-heading .eyebrow{margin-bottom:9px}.section-heading h2,.about h2{font-size:30px;margin:0;line-height:1.45;font-weight:600}.section-note{font-size:13px;color:var(--muted)}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.resource-card{display:block;text-align:left;padding:26px 28px;background:var(--pale);border:1px solid transparent;min-width:0}.resource-card:hover{border-color:#a7b9d1}.resource-number{font-size:12px;letter-spacing:1px;color:var(--muted)}.resource-card h3{font-size:20px;font-weight:600;margin:23px 0 7px}.resource-card p{font-size:14px;margin:0 0 30px;color:var(--muted)}.resource-open{font-size:14px;display:flex;align-items:center;justify-content:space-between;color:var(--blue)}.resource-open span{font-size:22px}.blue-card{background:var(--blue);color:white}.blue-card p,.blue-card .resource-open,.blue-card .resource-number{color:#e1edff}.factory{width:100%;height:auto;max-height:310px;object-fit:cover;object-position:center 58%;margin-bottom:38px}.about-grid{display:grid;grid-template-columns:1fr 2fr;gap:60px}.about-grid>div>p{margin:0 0 12px;font-size:16px;color:#4d5c6f}.about-grid>div>.eyebrow{font-size:12px}.about-grid>div>.source-note{font-size:12px;color:var(--muted)}.contacts{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:22px;border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.contacts>div{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.contacts span{font-size:12px;color:var(--muted);margin-bottom:8px}.contacts a,.contacts p{font-size:14px;margin:0;overflow-wrap:anywhere}.contacts a:hover{color:var(--blue)}footer{border-top:1px solid var(--line);max-width:1320px;margin:0 auto;padding:24px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:12px;color:var(--muted)}footer>div{white-space:nowrap}.footer-brand{font-size:23px;font-style:italic;font-weight:900;color:var(--blue);margin-right:8px;letter-spacing:-2px}footer p{max-width:520px}footer>a{white-space:nowrap}.noscript{padding:25px;background:#f3f6fa}.noscript a{color:var(--blue);text-decoration:underline}dialog{border:0;border-radius:5px;padding:0;color:var(--ink);box-shadow:0 24px 100px #0004}dialog::backdrop{background:#08172bbb;backdrop-filter:blur(3px)}body:has(dialog[open]){overflow:hidden}#detail-dialog{width:min(980px,calc(100vw - 40px));max-height:calc(100dvh - 70px)}.dialog-top{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 26px;background:#fff;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:1px}.icon-button{width:44px;height:44px;border:0;background:transparent;font-size:30px;display:grid;place-items:center;line-height:1}.icon-button:hover{background:var(--pale)}.detail-main{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:30px}.detail-picture{display:flex;align-items:center;background:var(--pale)}.detail-picture img{mix-blend-mode:multiply;width:100%}.detail-text .eyebrow{margin-bottom:8px}.detail-text h2{margin:0;font-size:40px;line-height:1.2}.detail-text h3{font-size:19px;font-weight:400;margin:8px 0 16px}.detail-tag{display:inline-block;background:#eef4fc;color:var(--blue);padding:3px 10px;font-size:12px}.detail-specs{margin:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.detail-specs>div{border-bottom:1px solid var(--line);padding:10px 0}.detail-specs dt{font-size:12px;color:var(--muted)}.detail-specs dd{font-size:15px;margin:2px 0 0}.detail-docs{padding:24px 30px 30px;border-top:1px solid var(--line)}.detail-docs h3{margin:0 0 8px;font-size:19px}.detail-docs p{font-size:14px;color:var(--muted);margin:0 0 18px}.page-buttons{display:flex;gap:10px;flex-wrap:wrap}.page-button,.toolbar-button{background:white;border:1px solid #ccd6e2;padding:9px 14px;font-size:14px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.page-button:hover,.toolbar-button:hover{background:#edf3fb}.page-button:first-child{border-color:var(--blue);color:var(--blue)}#reader-dialog{width:calc(100vw - 40px);height:calc(100dvh - 36px);max-width:1500px;max-height:none;overflow:hidden;background:#e8edf2}#reader-dialog[open]{display:flex;flex-direction:column}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 22px;background:white;border-bottom:1px solid var(--line);flex-shrink:0}.reader-toolbar h2{font-size:17px;line-height:1.4;margin:0}.reader-toolbar p{font-size:12px;color:var(--muted);margin:3px 0 0}.reader-tools{display:flex;align-items:center;gap:10px}.reader-canvas{overflow:auto;flex:1;min-height:0;padding:20px;overscroll-behavior:contain;text-align:center}.reader-canvas img{height:auto;width:auto;max-width:100%;max-height:none;margin:0 auto;background:white;box-shadow:0 2px 16px #14263c1a}.reader-canvas:not(.zoomed) img.portrait{width:min(100%,900px)}.reader-canvas.zoomed img{width:1600px;max-width:none;margin:0}.reader-canvas.zoomed img.landscape{width:2500px}.reader-bottom{display:flex;gap:20px;align-items:center;justify-content:center;background:white;padding:10px 20px;flex-shrink:0;border-top:1px solid var(--line)}.reader-bottom label{font-size:14px}.reader-bottom select{padding:9px 30px 9px 10px;border:1px solid #ccd6e2;margin-left:8px;background:white;min-height:44px}.reader-error{padding:30px;background:white;color:#9d2424}
@media(min-width:1500px){.intro{min-height:420px}.intro-copy{padding:42px 50px}h1{font-size:52px}.intro-image img{width:540px}}
@media(max-width:1400px){main,footer{margin-left:32px;margin-right:32px}.topbar{padding-left:32px;padding-right:32px}.catalog-layout{grid-template-columns:190px minmax(0,1fr);gap:26px}.card-body{padding-left:16px;padding-right:16px}.card-tag{font-size:12px}.group-en{display:none}}
@media(max-width:1100px){.topbar{gap:25px}.topbar nav{gap:24px}.brand-copy{padding-left:14px}.intro-copy{padding:30px}.intro{min-height:365px}h1{font-size:43px}.intro-image{padding-left:0;padding-right:0}.year{font-size:110px;right:22px;top:25px}.catalog-meta{grid-template-columns:155px 155px 155px 1fr}.catalog-meta>div{padding-left:18px}.meta-note{font-size:12px!important}.meta-note span{display:none}.catalog-layout{grid-template-columns:168px minmax(0,1fr);gap:24px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card-tag{font-size:12px}.card-body h3{min-height:0}.directory nav a{font-size:14px;gap:8px}.directory-note{padding:16px 12px}.resource-card{padding:23px}.resource-card h3{font-size:18px}.about-grid{gap:35px}.contacts{grid-template-columns:1fr 1fr}.contacts>div:last-child{grid-column:1/-1}footer{flex-wrap:wrap;gap:12px}footer p{order:3;flex-basis:100%;margin:0;max-width:none}}
@media(max-width:760px){:root{scroll-padding-top:92px}.topbar{padding:13px 20px;min-height:74px;gap:16px}.brand-mark{font-size:36px}.brand-copy{border:0;padding:0;margin-left:0;gap:4px}.brand-copy strong{font-size:16px;letter-spacing:2px}.brand-copy small{font-size:12px;letter-spacing:.8px}.brand{gap:18px}.topbar nav{display:none}.header-download{margin-left:auto;font-size:12px;padding:8px 11px;min-height:42px;display:flex;align-items:center}.header-download span{padding-left:7px}.intro{margin-top:20px;min-height:300px;grid-template-columns:1.05fr 1fr}.intro-copy{padding:25px 0 25px 25px}.intro .eyebrow{font-size:12px;letter-spacing:.8px;gap:6px;white-space:nowrap}h1{font-size:36px;margin:20px 0 15px}.intro-copy p{font-size:14px;line-height:1.8}.mobile-break{display:block}.intro-image{padding-bottom:45px;padding-top:75px;margin-left:-20px;align-items:center}.year{font-size:83px;top:28px;right:13px;letter-spacing:-5px}.intro-image img{width:100%;max-width:350px}.image-caption{bottom:25px;left:20px;right:15px;font-size:12px;padding-top:8px;display:grid;gap:3px}.catalog-meta{grid-template-columns:repeat(3,1fr);padding:22px 0}.catalog-meta>div{gap:9px;padding-left:22px}.catalog-meta>div:nth-child(3){border:0}.catalog-meta strong{font-size:25px}.catalog-meta span{font-size:12px}.catalog-meta .meta-note{display:none}main,footer{margin-left:20px;margin-right:20px}.catalog-layout{display:block;padding-top:26px}.directory{margin-bottom:25px}.directory-inner{position:static}.directory .eyebrow{display:none}.directory nav{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line)}.directory nav a{padding:12px 2px;justify-content:center;text-align:center;font-size:13px;border:0;border-right:1px solid var(--line);gap:0;min-height:46px}.directory nav a:last-child{border:0}.directory nav a span,.directory nav a small{display:none}.directory nav a.active{background:#eef4fc}.directory-note{display:none}.group-heading{margin-bottom:16px}.group-heading h2{font-size:24px}.group-heading p{font-size:13px}.product-grid{gap:12px}.product-group{margin-bottom:32px}.product-image{padding:14px 12px 4px;aspect-ratio:1.5}.card-body{padding:8px 13px 12px}.card-series{font-size:23px}.card-topline{align-items:flex-start;flex-direction:column;gap:6px}.card-tag{font-size:12px;padding:2px 5px}.card-body h3{font-size:14px;margin:8px 0 12px;min-height:2.7em;line-height:1.5}.card-spec{font-size:12px;padding-bottom:11px;gap:3px}.card-bottom{font-size:12px;padding-top:10px}.card-bottom span:last-child{font-size:17px}.section-pad{padding:32px 0}.section-heading h2,.about h2{font-size:26px}.section-note{font-size:12px}.resource-grid{grid-template-columns:1fr;gap:12px}.resource-card{padding:23px;position:relative}.resource-card h3{margin-top:14px}.resource-card p{margin-bottom:15px}.resource-open{max-width:160px}.factory{height:170px;width:100%;object-fit:cover;margin-bottom:25px}.about-grid{grid-template-columns:1fr;gap:20px}.about-grid h2 br{display:none}.about-grid>div>p{font-size:15px}.contacts{gap:20px}.contacts>div:last-child{grid-column:auto}.contacts{grid-template-columns:1fr 1fr}footer{font-size:12px;padding-top:20px}.detail-main{grid-template-columns:1fr;padding:20px;gap:20px}.detail-picture img{max-height:230px;object-fit:contain}.detail-text h2{font-size:33px}.detail-specs{gap:0 15px}.detail-docs{padding:22px 20px}.dialog-top{padding:8px 16px;font-size:12px}#detail-dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px)}#reader-dialog{width:100vw;height:100dvh;border-radius:0;max-width:100vw;margin:0}.reader-toolbar{padding:10px 12px;align-items:flex-start;flex-wrap:wrap;gap:8px}.reader-toolbar>div:first-child{padding-right:40px}.reader-toolbar h2{font-size:15px}.reader-tools{gap:8px}.reader-tools .close-reader{position:absolute;right:5px;top:5px}.reader-tools .toolbar-button{min-height:40px;font-size:12px;padding:8px 12px}.reader-canvas{padding:10px}.reader-bottom{gap:8px;justify-content:space-between;padding:10px 8px;padding-bottom:max(10px,env(safe-area-inset-bottom))}.reader-bottom .toolbar-button{font-size:12px;padding:8px 10px}.reader-bottom label{font-size:12px}.reader-bottom select{margin-left:3px;padding-right:18px;max-width:120px}.reader-canvas.zoomed img{width:1400px}}
@media(max-width:390px){main,footer{margin-left:14px;margin-right:14px}.topbar{padding-left:14px;padding-right:14px}.brand-copy small{display:none}.header-download{font-size:12px;padding:8px}.intro .eyebrow{font-size:12px}h1{font-size:32px}.intro-copy{padding-left:18px}.intro-copy p{font-size:13px}.catalog-meta>div{padding-left:13px;gap:6px}.catalog-meta strong{font-size:23px}.catalog-meta span{font-size:12px}.card-body{padding-left:10px;padding-right:10px}.card-series{font-size:21px}.contacts{grid-template-columns:1fr}.contacts>div:last-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.product-card{transition:none}.product-card:hover{transform:none}}

@media(max-width:760px){.brand-copy small{display:none}.intro .eyebrow{font-size:12px;white-space:normal;max-width:240px}.intro-copy{z-index:2}.directory nav a{font-size:14px}.group-heading p{font-size:14px}.header-download{font-size:14px}.card-tag{font-size:12px}.card-spec{font-size:14px}.reader-tools .toolbar-button,.reader-bottom .toolbar-button{font-size:14px}}
@media(max-width:390px){.brand-copy strong{font-size:14px;letter-spacing:0}.header-download{font-size:12px}.intro .eyebrow{font-size:12px}.card-spec{font-size:13px}}

/* Company-first homepage and dedicated contact area. */
.company-hero{grid-template-columns:1fr 1fr;min-height:470px;background:#f1f5fa;margin-top:30px;scroll-margin-top:110px}
.company-hero .intro-copy{padding:48px 40px 44px}.company-hero h1{font-size:48px;line-height:1.3;margin:22px 0}.company-hero .company-lead{font-size:18px;color:#293e59;font-weight:500;margin:18px 0 12px}.company-hero .company-description{font-size:15px;line-height:1.9;max-width:450px;margin:0;color:#617085}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:26px;flex-wrap:wrap}.primary-link{background:var(--blue);color:white;padding:12px 20px;font-size:14px;display:inline-flex;gap:24px;align-items:center;min-height:46px}.primary-link:hover{background:#064593}.company-visual{position:relative;min-height:100%;background:#dbe6ef;overflow:hidden}.company-visual>img{height:100%;width:100%;object-fit:cover;object-position:50% 50%;position:absolute;inset:0}.company-image-label{position:absolute;bottom:0;left:0;right:0;padding:27px 32px;background:linear-gradient(transparent,#09274de6);color:white;display:flex;flex-direction:column;gap:8px}.company-image-label span{font-size:12px;letter-spacing:2px}.company-image-label strong{font-size:20px;font-weight:400;letter-spacing:2px}.contact-link{background:var(--blue);color:white;border-color:var(--blue)}.contact-link:hover{background:#064593}.contact-section{display:grid;grid-template-columns:1fr 1.65fr;gap:60px;margin-top:10px;padding:48px 40px;background:var(--pale);border:0;margin-bottom:42px}.contact-intro h2{font-size:36px;font-weight:600;line-height:1.3;margin:0 0 18px}.contact-intro>p:last-child{font-size:16px;color:var(--muted);line-height:1.9;margin:0}.contact-details{display:grid;grid-template-columns:1fr 1fr;gap:30px}.contact-item{display:flex;flex-direction:column;gap:6px;align-items:flex-start;min-width:0}.contact-item>span{font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:7px}.contact-item>a{font-size:21px;color:var(--navy);overflow-wrap:anywhere}.contact-item>a:hover{color:var(--blue)}.contact-address{grid-column:1/-1;border-top:1px solid #d5dfe9;padding-top:22px}.contact-address p{margin:0;font-size:18px}.contact-address small{font-size:13px;color:var(--muted)}
@media(max-width:1100px){.topbar nav{gap:18px}.topbar{gap:20px}.company-hero{min-height:440px}.company-hero h1{font-size:40px}.company-hero .intro-copy{padding:36px 28px}.company-hero .company-lead{font-size:17px}.hero-actions{gap:18px}.contact-section{gap:30px;padding:36px 30px;grid-template-columns:1fr 1.7fr}.contact-item>a{font-size:18px}}
@media(max-width:760px){.company-hero{grid-template-columns:1fr;margin-top:20px;min-height:0}.company-hero .intro-copy{padding:30px 25px}.company-hero h1{font-size:38px;margin:18px 0}.company-hero .eyebrow{max-width:none}.company-hero .company-lead{font-size:17px;line-height:1.7}.company-hero .company-description{font-size:15px;max-width:none}.company-visual{height:240px;min-height:240px}.company-visual>img{object-position:50% 50%}.company-image-label{padding:20px 25px}.company-image-label strong{font-size:18px}.hero-actions{margin-top:24px;gap:22px}.contact-section{grid-template-columns:1fr;padding:30px 24px;gap:25px;margin-bottom:25px}.contact-intro h2{font-size:30px}.contact-details{gap:24px}.contact-item>a{font-size:17px}.contact-item>span{font-size:12px;letter-spacing:0}.contact-address p{font-size:16px}.catalog-meta>div{gap:8px;padding-left:15px}.catalog-meta strong{font-size:23px}.header-download{font-size:14px}}
@media(max-width:390px){.company-hero .intro-copy{padding:26px 20px}.company-hero h1{font-size:34px}.contact-details{grid-template-columns:1fr}.contact-address{grid-column:auto}.catalog-meta strong{font-size:21px}.catalog-meta>div{padding-left:12px;gap:6px}.hero-actions{gap:18px}.primary-link{padding:11px 14px;gap:16px}}

.company-story{display:grid;grid-template-columns:1.05fr 1fr;gap:65px;align-items:center;padding-top:60px;padding-bottom:60px}.story-image img{width:100%;height:350px;object-fit:cover}.story-copy h2{font-size:34px;line-height:1.45;margin:0 0 22px;font-weight:600}.story-copy h2 span{color:var(--blue)}.story-copy>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.9;margin:0 0 15px}.home-product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.home-product{border:1px solid var(--line);display:block;transition:border-color .2s}.home-product:hover{border-color:var(--blue)}.home-product-image{aspect-ratio:1.4;background:white;padding:18px 12px;display:flex;align-items:center}.home-product-image img{width:100%;height:100%;object-fit:contain}.home-product-copy{padding:10px 22px 24px}.home-product-copy>span{font-size:12px;color:var(--muted);letter-spacing:1px}.home-product-copy h3{font-size:23px;font-weight:600;margin:12px 0}.home-product-copy p{font-size:14px;color:var(--muted);min-height:44px;margin:0 0 22px}.home-product-copy>div{font-size:14px;color:var(--blue);border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between}.product-page-intro{padding:40px 0 30px;border-bottom:1px solid var(--line)}.product-page-intro .breadcrumbs{font-size:14px;color:var(--muted);margin:0 0 25px}.product-page-intro h1{font-size:44px;margin:12px 0}.product-page-intro>p:last-child{color:var(--muted);margin-bottom:0}.product-contact-band{background:var(--pale);padding:35px;display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:40px}.product-contact-band h2{font-size:25px;margin:0 0 10px}.product-contact-band p{color:var(--muted);margin:0}.topbar nav{gap:22px}.topbar nav a{font-size:14px}
@media(max-width:1100px){.topbar nav{gap:14px}.topbar{gap:18px}.brand-copy small{font-size:10px}.home-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.company-story{gap:35px}.story-copy h2{font-size:29px}.story-image img{height:370px}}
@media(max-width:900px) and (min-width:761px){.topbar nav a:first-child{display:none}.brand-copy{display:none}}
@media(max-width:760px){.company-story{grid-template-columns:1fr;gap:26px;padding-top:36px;padding-bottom:36px}.story-image img{height:230px}.story-copy h2{font-size:29px}.home-product-grid{gap:12px}.home-product-image{aspect-ratio:1.3;padding:12px 5px}.home-product-copy{padding:8px 14px 18px}.home-product-copy>span{letter-spacing:0;font-size:12px}.home-product-copy h3{font-size:20px}.home-product-copy p{font-size:14px;min-height:66px;margin-bottom:16px}.home-products .section-heading{align-items:flex-end;gap:16px}.home-products .section-heading>.text-link{font-size:14px;gap:10px}.product-page-intro{padding:28px 0}.product-page-intro h1{font-size:34px}.product-contact-band{padding:25px;display:block}.product-contact-band h2{font-size:23px}.product-contact-band .primary-link{margin-top:22px}.product-contact-band p{font-size:15px}}

.mobile-menu{display:none}@media(max-width:760px){.topbar{gap:12px}.mobile-menu{display:block}.mobile-menu summary{list-style:none;cursor:pointer;font-size:14px;padding:10px 5px;min-height:44px;white-space:nowrap}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:100%;padding:8px 20px 14px;background:white;border-bottom:1px solid var(--line);box-shadow:0 14px 20px #14263c12}.mobile-menu:not([open]) nav{display:none}.mobile-menu nav a{font-size:16px;padding:12px 4px;border-bottom:1px solid var(--line)}.mobile-menu nav a:last-child{border:0}.header-download{padding:8px 11px}.brand{gap:14px}.brand-copy strong{font-size:15px;letter-spacing:1px}.brand-mark{font-size:34px}}@media(max-width:390px){.brand-copy strong{font-size:14px;letter-spacing:0}.brand-mark{font-size:31px}.header-download{padding:8px;font-size:13px}.topbar{gap:9px}}

/* Language controls, mobile layout and complete image visibility. */
.language-switch{display:flex;align-items:center;border:1px solid var(--line);background:#fff;flex-shrink:0}.language-switch button{border:0;background:transparent;min-width:40px;min-height:42px;padding:8px;font-size:14px;line-height:1.2}.language-switch button.selected{background:var(--blue);color:#fff}.topbar{gap:18px}.topbar>nav{gap:18px}.topbar>nav a{font-size:14px}.two-resources{grid-template-columns:repeat(2,minmax(0,1fr))}.manual-download-section{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:36px 0 40px}.manual-download-section h2{font-size:28px;margin:0 0 10px;font-weight:600}.manual-download-section .eyebrow{margin-bottom:10px}.manual-download-section p:last-child{color:var(--muted);font-size:15px;margin:0}.manual-download-actions{display:flex;flex-direction:column;align-items:center;gap:14px;flex-shrink:0}.manual-other-languages{display:flex;gap:18px;align-items:center;font-size:14px;color:var(--blue)}.manual-other-languages a:hover{text-decoration:underline}.manual-other-languages span{color:#a9b4c4}.company-hero .company-description{font-size:16px}.card-topline{flex-wrap:wrap}.card-tag{white-space:normal;max-width:100%;font-size:12px}.product-card,.card-body,.detail-text,.intro-copy,.story-copy{min-width:0}.card-body h3{font-size:16px;overflow-wrap:anywhere}.product-image img{max-width:100%;height:auto;max-height:100%}.contact-item>a{overflow-wrap:anywhere;word-break:normal}.detail-main img{object-fit:contain}.detail-specs dd{overflow-wrap:anywhere}html[lang="en"] .company-hero h1{font-size:40px;letter-spacing:-.7px;line-height:1.24}html[lang="en"] .company-hero .company-lead{font-size:18px}html[lang="en"] .company-hero .intro-copy{padding:38px 34px}html[lang="en"] .company-hero .company-description{font-size:16px}html[lang="en"] .brand-copy strong{letter-spacing:0}html[lang="en"] .catalog-meta{grid-template-columns:180px 200px 210px minmax(0,1fr)}html[lang="en"] .catalog-meta>div{flex-wrap:wrap;gap:5px 10px}html[lang="en"] .directory nav a{gap:7px;font-size:14px}html[lang="en"] .directory nav a small{display:none}html[lang="en"] .directory nav a span{flex-shrink:0}html[lang="en"] .home-product-copy h3{font-size:22px;line-height:1.3}html[lang="en"] .home-product-copy p{min-height:75px}html[lang="en"] .group-heading h2{font-size:25px}html[lang="en"] .group-heading h2 span{display:inline-block;margin-left:10px}html[lang="en"] .resource-card p{min-height:48px}html[lang="en"] footer>div{white-space:normal}
@media(max-width:1220px){.brand-copy{display:none}.topbar{gap:18px}.topbar>nav{gap:20px}.company-hero .intro-copy{padding:34px 28px}html[lang="en"] .company-hero h1{font-size:34px}html[lang="en"] .catalog-meta{grid-template-columns:repeat(3,1fr)}html[lang="en"] .catalog-meta .meta-note{display:none}}
@media(max-width:950px){.topbar>nav{gap:13px}.topbar>nav a{font-size:13px}.topbar{padding-left:24px;padding-right:24px;gap:14px}.header-download{padding:10px 12px;font-size:13px}.company-story{gap:28px}.company-visual{min-width:0}.detail-main{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media(max-width:800px){.topbar>nav{display:none}.brand-copy{display:grid;border:0;padding:0}.language-switch{margin-left:auto}.header-download{margin-left:auto}.language-switch+.mobile-menu{display:block}.mobile-menu{display:block}.mobile-menu summary{list-style:none;font-size:14px;cursor:pointer;padding:10px 4px;min-height:44px;white-space:nowrap}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:100%;padding:8px 24px 14px;background:white;box-shadow:0 14px 20px #14263c12;border-bottom:1px solid var(--line)}.mobile-menu:not([open]) nav{display:none}.mobile-menu nav a{font-size:16px;padding:12px 4px;border-bottom:1px solid var(--line)}.mobile-menu nav a:last-child{border:0}}
@media(max-width:760px){:root{scroll-padding-top:88px}.topbar{min-height:70px;padding:12px 16px;gap:12px}.brand-copy{display:none}.brand{gap:0}.brand-mark{font-size:34px}.header-download{font-size:14px;padding:9px 11px;min-height:42px;flex-shrink:0}.language-switch{margin-left:0}.language-switch button{min-width:39px;min-height:42px}.mobile-menu summary{font-size:14px}.company-hero .intro-copy,html[lang="en"] .company-hero .intro-copy{padding:30px 24px}.company-hero h1{font-size:36px}html[lang="en"] .company-hero h1{font-size:32px;letter-spacing:-.5px;line-height:1.28}.company-hero .company-description{font-size:16px}.company-visual{height:auto;min-height:0;display:flex;flex-direction:column;overflow:hidden;background:#143351}.company-visual>img{position:static;width:100%;height:auto;object-fit:contain;inset:auto;max-width:100%}.company-image-label{position:static;background:#143351;padding:16px 22px;gap:5px}.company-image-label strong{font-size:16px;line-height:1.5}.company-image-label span{font-size:12px}.story-image img{width:100%;height:auto;max-width:100%;object-fit:contain}.catalog-meta,html[lang="en"] .catalog-meta{grid-template-columns:repeat(3,minmax(0,1fr));gap:0}.catalog-meta>div,html[lang="en"] .catalog-meta>div{display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding-left:15px}.catalog-meta span{font-size:12px;line-height:1.4}.catalog-meta strong{font-size:25px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-image{aspect-ratio:1.45;padding:12px 8px 4px;overflow:hidden}.product-image img{width:100%;height:auto;object-fit:contain;max-height:100%}.card-body{padding:9px 13px 14px}.card-series{font-size:23px}.card-body h3{font-size:15px;min-height:0;line-height:1.55;margin:8px 0 13px}.card-spec,.card-bottom{font-size:13px}.card-tag{font-size:12px;line-height:1.45}.card-topline{gap:7px}.home-product-image{aspect-ratio:1.5;padding:12px 8px}.home-product-image img{width:100%;height:auto;max-height:100%;object-fit:contain}.home-product-copy>span{font-size:12px}.home-product-copy h3{font-size:19px;line-height:1.45}html[lang="en"] .home-product-copy h3{font-size:18px;line-height:1.4}.home-product-copy p,html[lang="en"] .home-product-copy p{min-height:0;line-height:1.65}.home-product{display:flex;flex-direction:column}.home-product-copy{display:flex;flex-direction:column;flex:1}.home-product-copy>div{margin-top:auto}.home-products .section-heading{flex-wrap:wrap}.directory nav{grid-template-columns:repeat(2,minmax(0,1fr))}.directory nav a{font-size:14px;padding:12px 8px;min-height:49px;line-height:1.45;border-bottom:1px solid var(--line)}.directory nav a:nth-child(2){border-right:0}.directory nav a:nth-child(n+3){border-bottom:0}.directory nav a:nth-child(3){border-right:1px solid var(--line)}html[lang="en"] .directory nav a{font-size:14px}html[lang="en"] .group-heading h2{font-size:23px}.group-heading h2 span{font-size:13px}.group-heading p{font-size:14px;line-height:1.7}.two-resources{grid-template-columns:1fr}.detail-main{grid-template-columns:1fr;padding:20px}.detail-picture{width:100%;aspect-ratio:1.65}.detail-picture img{width:100%;height:100%;max-height:none;object-fit:contain}.detail-text h2{font-size:30px}.detail-text h3{font-size:18px;line-height:1.55}.detail-specs{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-specs dd{font-size:15px}.detail-docs{padding:20px}.page-button{font-size:14px;min-height:44px;flex:1 1 135px}.reader-toolbar{position:relative}.reader-toolbar>div:first-child{padding-right:35px;min-width:0}.reader-toolbar h2{overflow-wrap:anywhere;line-height:1.5;font-size:15px}.reader-tools{flex-wrap:wrap;padding-right:0}.reader-canvas{padding:6px;min-width:0}.reader-canvas:not(.zoomed) img{width:100%;height:auto;max-width:100%;margin:0 auto}.reader-bottom{flex-wrap:wrap;gap:8px}.reader-bottom label{font-size:13px}.reader-bottom .toolbar-button{font-size:13px}.reader-bottom select{max-width:145px;font-size:13px}.reader-canvas.zoomed{touch-action:pan-x pan-y}.manual-download-section{display:block;padding:30px 0}.manual-download-section h2{font-size:25px}.manual-download-section p:last-child{font-size:15px;line-height:1.7}.manual-download-actions{margin-top:23px;align-items:flex-start}.manual-download-actions .primary-link{width:100%;justify-content:center}.manual-other-languages{justify-content:center;width:100%}footer{align-items:flex-start;font-size:12px}footer>div{white-space:normal;flex-basis:calc(100% - 110px)}.contact-details{grid-template-columns:1fr}.contact-item>a{font-size:19px}.contact-address{grid-column:auto}}
@media(max-width:400px){main,footer{margin-left:14px;margin-right:14px}.topbar{padding:11px 14px;gap:9px}.brand-mark{font-size:31px}.header-download{font-size:13px;padding:8px 9px}.header-download span{padding-left:3px}.language-switch button{font-size:13px;min-width:36px;padding:8px 6px}.mobile-menu summary{font-size:13px;padding-left:1px;padding-right:1px}.company-hero .intro-copy,html[lang="en"] .company-hero .intro-copy{padding:26px 20px}.company-hero h1{font-size:32px}html[lang="en"] .company-hero h1{font-size:29px}.hero-actions{gap:14px}.primary-link{font-size:14px;gap:12px}.card-body{padding-left:11px;padding-right:11px}.card-series{font-size:21px}.card-spec{font-size:12px}.home-product-copy{padding-left:12px;padding-right:12px}html[lang="en"] .home-product-copy h3{font-size:17px}.reader-bottom{justify-content:center}.reader-bottom label{order:3;flex-basis:100%;text-align:center}.reader-bottom .toolbar-button{flex:1}.catalog-meta>div{padding-left:12px}.catalog-meta strong{font-size:23px}}
@media(max-width:340px){.header-download{display:none}.language-switch{margin-left:auto}.home-product-grid,.product-grid{grid-template-columns:1fr}.card-topline{flex-direction:row}.company-hero h1{font-size:29px}html[lang="en"] .company-hero h1{font-size:26px}}
@media(max-width:800px){.mobile-menu nav a:first-child{display:block}}
.reader-toolbar>div:first-child{min-width:0}.reader-toolbar p{overflow-wrap:anywhere}

/* White and blue company identity, with clear product and contact hierarchy. */
:root{--pale:#f4f7fb;--muted:#596b81}
.topbar{min-height:78px;padding-top:12px;padding-bottom:12px}
.topbar>nav a[aria-current="page"]{color:var(--blue);box-shadow:inset 0 -2px var(--blue)}
.primary-link,.header-download,.language-switch,.toolbar-button{border-radius:4px}
.primary-link{font-size:16px;min-height:48px;font-weight:600;line-height:1.5}
.text-link{font-size:14px;min-height:44px}
.company-hero{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);min-height:0;align-items:stretch;border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:6px;background:#f5f8fc}
.company-hero .intro-copy,html[lang="en"] .company-hero .intro-copy{padding:44px 40px}
.company-hero h1{font-size:clamp(34px,3.5vw,48px);line-height:1.35;letter-spacing:0;margin:20px 0}
.company-hero .eyebrow{font-size:12px;letter-spacing:1.1px;overflow-wrap:anywhere;white-space:normal}
.company-hero .company-lead{font-size:18px;line-height:1.7;font-weight:600}
.company-hero .company-description{max-width:470px;line-height:1.85;color:var(--muted)}
.hero-actions{gap:24px;margin-top:28px}
.company-visual{display:grid;grid-template-rows:auto 1fr;position:relative;min-height:0;height:auto;min-width:0;background:#eaf1f8;border-left:1px solid var(--line)}
.company-visual>.hero-factory{position:static;inset:auto;width:100%;height:auto;object-fit:contain;object-position:center}
.hero-motor{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.3fr);align-items:center;gap:8px;padding:24px 22px 24px 28px;min-width:0}
.hero-motor>img{width:100%;height:auto;object-fit:contain;mix-blend-mode:multiply}
.hero-motor .company-image-label{position:static;inset:auto;display:grid;gap:12px;padding:0;background:transparent;color:var(--navy)}
.hero-motor .company-image-label span{font-size:12px;letter-spacing:1px;color:var(--blue)}
.hero-motor .company-image-label strong{font-size:23px;font-weight:600;line-height:1.65;color:var(--navy)}
.catalog-meta{padding:26px 0 28px}
.catalog-meta span{font-size:14px}.catalog-meta .meta-note span{font-size:12px}
.company-story{padding-top:64px;padding-bottom:64px;gap:48px}
.story-image{border:1px solid var(--line);border-radius:6px;overflow:hidden}
.story-image img{width:100%;height:auto;object-fit:contain}
.home-product,.product-card{border-radius:6px}
.home-product{display:flex;flex-direction:column;overflow:hidden}
.home-product-image,.product-image{background:#f5f8fc;aspect-ratio:1.65;padding:22px 16px}
.home-product-image img,.product-image img{width:100%;height:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.home-product-copy{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px}
.home-product-copy h3{margin:10px 0 8px}.home-product-copy p{font-size:16px;line-height:1.7;flex:1}
.home-product-copy>div{margin-top:auto}
.group-heading{padding-left:16px;border-left:3px solid var(--blue)}
.card-body{padding:18px 20px 16px}.card-series{font-size:28px;font-weight:650}
.card-body h3{font-size:16px;line-height:1.6;margin:8px 0 16px}
.card-spec{font-size:14px;gap:6px;line-height:1.55}.card-spec b{color:var(--navy);font-weight:600}
.card-bottom{font-size:14px;color:var(--blue)}
.directory nav a.active{background:#f0f5fc;padding-left:10px;border-radius:4px}
.directory nav a{transition:background .15s}
.section-heading{gap:20px}.section-heading h2{font-size:32px}
.resource-card{border-radius:6px}.resource-card p{font-size:16px}
.product-contact-band{border-radius:6px;border:1px solid var(--line)}

/* One manager, two phone numbers and one original WeChat code. */
.contact-section{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.6fr);gap:40px;padding:42px;background:var(--pale);border:1px solid var(--line);border-radius:6px;align-items:start}
.contact-intro h2{font-size:32px;margin:0 0 16px}.contact-intro p:not(.eyebrow){font-size:16px;line-height:1.9;color:var(--muted)}
.contact-details{display:grid;grid-template-columns:minmax(0,1fr) 204px;gap:0 24px;align-items:start;background:white;border:1px solid var(--line);border-radius:6px;padding:28px;min-width:0}
.contact-person-heading{grid-column:1;min-width:0}
.contact-person-heading>span{font-size:14px;color:var(--muted)}
.contact-person-heading h3{margin:6px 0 24px;font-size:28px;line-height:1.5;font-weight:600}
.contact-person-heading h3 small{display:inline-block;margin-left:8px;font-size:16px;font-weight:400;color:var(--muted)}
.contact-phones{display:grid;grid-column:1;gap:12px;min-width:0}
.phone-link{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 14px;padding:12px 14px;min-height:64px;border:1px solid var(--line);border-radius:4px;background:#f8fafd}
.phone-link:hover{border-color:var(--blue);background:#eef5ff}
.phone-number{font-size:21px;font-weight:600;line-height:1.5;white-space:nowrap;font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.phone-action{font-size:14px;color:var(--blue);display:inline-flex;gap:12px;align-items:center;white-space:nowrap}
.contact-wechat{grid-column:2;grid-row:1 / span 2;border-left:1px solid var(--line);padding-left:24px;text-align:center;min-width:0}
.contact-wechat .wechat-code{display:block;padding:0;border:0;background:white;width:180px;max-width:100%;margin:0 auto 12px;cursor:zoom-in}
.wechat-code img{width:100%;height:auto;object-fit:contain}
.contact-wechat p{font-size:14px;margin:0;color:var(--muted)}
.contact-wechat .text-link{justify-content:center;gap:12px;font-weight:500}
#wechat-dialog{width:min(480px,calc(100vw - 32px));max-height:calc(100dvh - 32px);border-radius:8px}
#wechat-dialog .dialog-top h2{font-size:18px;line-height:1.5;letter-spacing:0;margin:0}
.wechat-dialog-content{padding:20px 24px 24px}
.wechat-dialog-content img{width:100%;max-width:370px;height:auto;margin:auto}
.wechat-dialog-content p{text-align:center;color:var(--muted);font-size:14px;line-height:1.7;margin:16px 0 0}

/* Readable series specifications and in-place technical data. */
#detail-dialog{width:min(1080px,calc(100vw - 40px));border-radius:8px}
.dialog-top{min-height:65px;padding:10px 24px;letter-spacing:.6px}
.detail-top-actions{display:flex;align-items:center;gap:10px}.detail-top-actions .language-switch{margin:0}
.detail-top-actions .language-switch button{min-height:40px}
.detail-main{padding:30px;gap:32px;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:center}
.detail-picture{padding:20px;border:1px solid var(--line);border-radius:6px;min-width:0}
.detail-picture img{width:100%;height:auto;max-height:300px;object-fit:contain}
.detail-text h2{font-size:36px}.detail-text h3{font-size:19px;line-height:1.6;margin:8px 0 12px}
.spec-table{border-collapse:collapse;width:100%;table-layout:fixed;margin-top:22px;font-size:16px}
.spec-table caption{text-align:left;font-size:14px;color:var(--muted);padding-bottom:8px}
.spec-table th,.spec-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;overflow-wrap:anywhere;line-height:1.6}
.spec-table th{font-size:14px;font-weight:400;color:var(--muted);width:44%}
.spec-table td{font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums}
.spec-table tr:nth-child(odd){background:#f5f8fc}.spec-table tr:first-child td{color:var(--blue)}
.spec-note{font-size:14px;color:var(--muted);margin:12px 0 0;line-height:1.7}
.detail-docs{padding:0 30px 30px;border-top:1px solid var(--line)}
.parameter-heading{position:sticky;top:var(--detail-toolbar-height,65px);z-index:1;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:16px 0 12px;margin-bottom:0;background:#fff}
.parameter-heading h3{margin:0;font-size:20px;line-height:1.5}
.parameter-tools{display:flex;gap:8px;align-items:center;flex-shrink:0}
.parameter-tools button{min-height:44px}.parameter-tools .zoom-step{width:44px;padding:0;font-size:22px;line-height:1}
.parameter-tools button[aria-pressed="true"]{color:var(--blue);border-color:var(--blue);background:#eef5ff}
.detail-docs .parameter-hint{font-size:14px;line-height:1.7;margin:0 0 16px}
.parameter-sheets{overflow-anchor:none;min-width:0}
.parameter-scroll{width:100%;max-width:100%;overflow:auto;overscroll-behavior-x:contain;scrollbar-color:#7a96bc #eaf0f6;border:1px solid var(--line);border-radius:4px;background:white}
.parameter-scroll+.parameter-scroll{margin-top:20px}
.parameter-scroll:focus-visible{outline:3px solid #328bfa;outline-offset:3px}
.parameter-sheet{width:max(100%,var(--parameter-width,1280px));aspect-ratio:1667 / 2278;overflow:hidden;background:white}
.parameter-sheet img{width:100%;height:auto;max-width:none}
.manual-download-section{padding-top:36px}.manual-download-actions .primary-link{min-width:230px;justify-content:center}
footer{font-size:14px;line-height:1.7}

@media(max-width:1220px){
  .company-hero .intro-copy,html[lang="en"] .company-hero .intro-copy{padding:34px 28px}
  .hero-motor{padding:20px}.hero-motor .company-image-label strong{font-size:20px}
  .contact-section{padding:30px;gap:24px;grid-template-columns:minmax(0,.6fr) minmax(0,1.6fr)}
  .contact-details{padding:22px;gap:0 18px;grid-template-columns:minmax(0,1fr) 170px}
  .contact-wechat{padding-left:18px}.contact-wechat .wechat-code{width:150px}
  .phone-number{font-size:20px}
}
@media(max-width:1000px){
  .topbar>nav{display:none}.topbar>.language-switch{margin-left:auto}.header-download{margin-left:auto}
  .mobile-menu{display:block}.mobile-menu summary{list-style:none;font-size:14px;cursor:pointer;padding:10px 4px;min-height:44px;white-space:nowrap}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu nav{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:100%;padding:8px 24px 14px;background:white;border-bottom:1px solid var(--line);box-shadow:0 14px 20px #14263c12}
  .mobile-menu:not([open]) nav{display:none}
  .mobile-menu nav a,.mobile-menu nav a:first-child{display:block;font-size:16px;padding:12px 4px;border-bottom:1px solid var(--line)}
  .mobile-menu nav a[aria-current="page"]{color:var(--blue)}
  .contact-section{grid-template-columns:1fr;gap:22px}.contact-intro p:not(.eyebrow){margin-bottom:0}
  .contact-details{grid-template-columns:minmax(0,1fr) 210px;padding:26px;gap:0 30px}
  .contact-wechat{padding-left:30px}.contact-wechat .wechat-code{width:180px}
}
@media(max-width:760px){
  .topbar{min-height:72px;padding-top:11px;padding-bottom:11px}.topbar>.language-switch{margin-left:0}
  .company-hero{grid-template-columns:minmax(0,1fr);margin-top:20px}
  .company-hero .intro-copy,html[lang="en"] .company-hero .intro-copy{padding:28px 24px}
  .company-hero h1{font-size:clamp(28px,7.6vw,38px);line-height:1.4;margin:18px 0}
  html[lang="en"] .company-hero h1{font-size:clamp(28px,7vw,34px);line-height:1.28}
  .company-hero .eyebrow{font-size:12px;letter-spacing:.7px}
  .company-hero .company-lead{font-size:18px}.company-hero .company-description{font-size:16px;max-width:none}
  .hero-actions{gap:16px;margin-top:24px}.hero-actions .text-link{font-size:16px}
  .company-visual{border-left:0;border-top:1px solid var(--line);display:grid}
  .hero-motor{padding:18px 24px;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr)}
  .hero-motor>img{max-height:190px}.hero-motor .company-image-label strong{font-size:20px}
  .catalog-meta{padding:22px 0}.catalog-meta span{font-size:14px}.catalog-meta>div:first-child{padding-left:0}
  .company-story{gap:26px;padding-top:38px;padding-bottom:38px}.story-copy h2{font-size:30px}
  .home-product-copy{padding:16px}.home-product-copy p{font-size:14px;min-height:0}
  .home-product-copy h3{font-size:21px}.home-product-image,.product-image{aspect-ratio:1.55;padding:18px 12px}
  .section-heading{gap:12px}.section-heading h2{font-size:28px}.home-products .section-heading{align-items:center}
  .card-topline{flex-direction:row;align-items:center;flex-wrap:wrap}.card-series{font-size:26px}
  .card-body{padding:16px}.card-body h3{font-size:16px}.card-spec,.card-bottom{font-size:14px}
  .directory nav a.active{padding-left:8px}.group-heading h2{font-size:24px}.group-heading h2 span{display:block;margin:5px 0 0!important;font-size:14px}
  .group-heading p{font-size:16px}.group-heading{padding-left:12px}
  .contact-section{padding:24px;gap:22px}.contact-details{padding:22px;gap:0 20px;grid-template-columns:minmax(0,1fr) 170px}
  .contact-wechat{padding-left:20px}.contact-wechat .wechat-code{width:150px}
  #detail-dialog{width:100%;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}
  .dialog-top{padding:10px 16px;font-size:12px;letter-spacing:0;gap:10px;min-height:65px}
  .detail-top-actions{gap:6px}.detail-top-actions .language-switch button{min-width:36px}
  .detail-main{grid-template-columns:minmax(0,1fr);gap:22px;padding:22px 20px}
  .detail-picture{aspect-ratio:auto;padding:12px}.detail-picture img{width:100%;height:160px;object-fit:contain}
  .detail-text h2{font-size:30px}.detail-text h3{font-size:18px}.spec-table{margin-top:18px}
  .detail-docs{padding:0 20px 24px}.parameter-heading{top:var(--detail-toolbar-height,65px);padding-top:14px;gap:10px}
  .parameter-heading h3{font-size:19px}.parameter-tools{gap:8px}.parameter-tools .toolbar-button{font-size:14px;padding:9px 12px}
  .parameter-tools .zoom-step{font-size:22px;padding:0}.parameter-scroll+.parameter-scroll{margin-top:16px}
  .manual-download-section h2{font-size:26px}.manual-download-actions{align-items:stretch}
  footer>div{flex-basis:100%}footer>a{font-size:14px}
}
@media(max-width:560px){
  .home-product-grid,.product-grid{grid-template-columns:minmax(0,1fr);gap:14px}
  .home-product,.product-card{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);align-items:stretch}
  .home-product-image,.product-image{width:100%;aspect-ratio:auto;padding:10px 6px;min-width:0}
  .home-product-image img,.product-image img{width:100%;height:auto;max-height:220px;align-self:center}
  .home-product-copy{padding:18px 16px}.home-product-copy>span{font-size:12px}.home-product-copy h3{margin:6px 0}
  html[lang="en"] .home-product-copy h3{font-size:19px}.home-product-copy p{margin-bottom:14px}
  .card-body{padding:16px}.card-series{font-size:26px}.card-body h3{margin:8px 0 12px}
  .card-topline{gap:6px}.card-tag{font-size:12px}.card-spec{font-size:14px;gap:6px}.card-spec b{display:block;font-size:16px}
  .contact-section{padding:24px 18px}.contact-details{grid-template-columns:minmax(0,1fr);padding:22px 18px}
  .contact-person-heading h3{margin-bottom:18px}.phone-link{min-height:64px}.phone-number{font-size:20px}
  .contact-wechat{grid-column:1;grid-row:auto;border-left:0;border-top:1px solid var(--line);padding:22px 0 0;margin-top:24px}
  .contact-wechat .wechat-code{width:180px}.contact-wechat .text-link{margin:0 auto}
}
@media(max-width:380px){
  .company-hero .intro-copy,html[lang="en"] .company-hero .intro-copy{padding:24px 20px}
  .hero-actions{gap:10px}.hero-actions .primary-link{padding:12px 14px;font-size:14px}.hero-actions .text-link{font-size:14px}
  .hero-motor{padding:16px}.hero-motor .company-image-label strong{font-size:18px}
  .home-product,.product-card{grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr)}
  .home-product-copy,.card-body{padding:14px 12px}.card-series{font-size:24px}
  .phone-link{padding:12px}.phone-number{font-size:18px}.phone-action{gap:6px}
  .detail-docs{padding-left:16px;padding-right:16px}.detail-main{padding-left:16px;padding-right:16px}
}
@media(max-width:340px){.topbar>.language-switch{margin-left:auto}}