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@media(max-width:1150px){.qd-wrap{width:calc(100% - 72px)}.qd-navigation{gap:20px}.qd-brand strong{font-size:17px}.qd-brand small{font-size:7px}.qd-hero-grid{gap:38px}.qd-hero-visual{height:520px}.qd-hero h1{font-size:46px}.qd-hero-intro{font-size:14px}.qd-hero-note{margin-top:32px}.qd-product-copy{padding:35px 30px}.qd-contact-grid{gap:55px}.qd-about-grid{gap:65px}.qd-field figcaption{display:block}.qd-field figcaption strong{display:block;margin-top:7px}}
@media(max-width:900px){.qd-wrap{width:calc(100% - 48px)}.qd-nav{height:76px}.qd-brand img{width:43px;height:43px}.qd-menu-toggle{display:flex;flex-direction:column;gap:7px;justify-content:center;width:44px;height:44px;border:1px solid #c3d4eb;background:none;padding:11px;cursor:pointer}.qd-menu-toggle span{display:block;width:20px;height:1px;background:var(--qd-ink);transition:transform .2s}.qd-menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.qd-menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.qd-navigation{display:none;position:absolute;top:76px;left:0;right:0;background:var(--qd-paper);border-bottom:1px solid var(--qd-line);padding:12px 24px 24px;box-shadow:0 15px 20px #183e3510}.qd-navigation.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}.qd-navigation>a{padding:15px 5px;border-bottom:1px solid var(--qd-line)}.qd-navigation .qd-nav-contact{margin-top:15px;justify-content:space-between;padding:12px 18px}.qd-hero-grid{gap:28px;grid-template-columns:1.05fr 1fr}.qd-hero h1{font-size:39px}.qd-hero-visual{height:475px;padding-left:15px}.qd-photo-caption{padding:20px;gap:15px;min-width:100%}.qd-photo-caption strong{font-size:13px}.qd-photo-caption div>span{font-size:9px}.qd-visual-coordinate{display:none}.qd-photo-index{left:30px;font-size:7px}.qd-hero .qd-actions{gap:16px}.qd-hero .qd-button{padding:13px 18px;gap:20px}.qd-hero .qd-text-link{font-size:12px;gap:10px}.qd-focus-strip{gap:18px}.qd-focus-strip>div{gap:10px}.qd-focus-strip p{font-size:12px}.qd-focus-strip strong{font-size:10px}.qd-section{padding:80px 0}.qd-section-top{gap:30px}.qd-section-summary{font-size:12px}.qd-process article{padding-inline:20px}.qd-process h3{font-size:18px}.qd-process article p{font-size:11px}.qd-product-card{grid-template-columns:1fr 1fr}.qd-product-copy h3{font-size:25px}.qd-product-photo{min-height:510px}.qd-values article{padding-inline:25px}.qd-values h3{font-size:18px}.qd-field figure>img{height:330px}.qd-about-grid{gap:45px}.qd-about-copy h3{font-size:18px}.qd-about-copy p{font-size:13px}.qd-contact-banner-inner{gap:30px}.qd-contact-banner h2{font-size:32px}.qd-contact-phone{font-size:30px;gap:20px}.qd-contact-banner-actions{min-width:300px}.qd-contact-banner .qd-actions{gap:20px}.qd-footer-main{gap:25px}.qd-footer-links{gap:12px 25px}.qd-footer-contact>a{font-size:20px}.qd-legal{flex-direction:column;gap:5px}.qd-contact-grid{gap:35px;grid-template-columns:1.05fr 1fr}.qd-consultation{padding:30px}.qd-contact-item .qd-big-phone{font-size:29px}.qd-contact-item .qd-email-link{font-size:19px}.qd-contact-item h2{font-size:17px}}
@media(max-width:640px){html{scroll-padding-top:90px}.qd-wrap{width:calc(100% - 40px)}.qd-brand{gap:9px}.qd-brand strong{font-size:16px}.qd-brand small{font-size:6px;letter-spacing:.12em;margin-top:4px}.qd-nav{height:72px;gap:10px}.qd-brand img{width:40px;height:40px}.qd-navigation{top:72px}.qd-eyebrow{font-size:9px;margin-bottom:20px}.qd-hero{padding-top:35px}.qd-hero-grid{grid-template-columns:1fr;gap:32px}.qd-hero-copy{padding:0}.qd-hero h1{font-size:clamp(31px,9.6vw,47px);line-height:1.3;letter-spacing:-.055em}.qd-hero-intro{font-size:13px;margin:21px 0 25px;line-height:1.9;max-width:310px}.qd-desktop-break{display:none}.qd-hero .qd-button{min-height:50px;padding:13px 19px;gap:27px}.qd-hero .qd-actions{gap:22px}.qd-hero-note{display:none}.qd-hero-visual{height:390px;padding-left:17px;padding-bottom:34px}.qd-hero-image{object-position:50% 36%}.qd-photo-index{top:17px;left:34px;font-size:8px}.qd-photo-caption{min-width:0;width:86%;padding:18px 21px;gap:19px}.qd-photo-caption strong{font-size:14px}.qd-photo-caption div>span{font-size:9px}.qd-caption-mark{font-size:27px}.qd-focus-strip{margin-top:30px;padding-top:22px;padding-bottom:26px;grid-template-columns:1fr;gap:16px}.qd-focus-strip>div{border:0;align-items:center;gap:20px}.qd-focus-strip>div>span{font-size:9px;padding:0}.qd-focus-strip p{font-size:12px;display:flex;gap:14px;flex-wrap:wrap}.qd-focus-strip strong{font-size:10px;margin:0;font-weight:400;align-self:center}.qd-section{padding:60px 0}.qd-section h2{font-size:30px;line-height:1.4}.qd-section-top{display:block;margin-bottom:30px}.qd-section-summary{margin-top:22px;font-size:12px;line-height:1.85}.qd-section-summary br{display:none}.qd-process{grid-template-columns:1fr 1fr;margin-top:30px}.qd-process article{padding:22px 18px 26px;border-bottom:1px solid #c9dcf1}.qd-process article:first-child{padding-left:0}.qd-process article:nth-child(2){border-right:0;padding-right:0}.qd-process article:nth-child(3){padding-left:0;border-bottom:0}.qd-process article:last-child{padding-left:18px;border-bottom:0}.qd-step{font-size:10px}.qd-step i{font-size:20px}.qd-process h3{margin:20px 0 10px;font-size:19px}.qd-process article p{font-size:11px}.qd-process-note{font-size:10px;line-height:1.9}.qd-product-card{grid-template-columns:1fr}.qd-product-photo{min-height:0;height:285px}.qd-product-photo img{object-position:center}.qd-product-copy{padding:30px 24px}.qd-product-copy h3{font-size:27px}.qd-product-copy>p{font-size:12px}.qd-product-copy .qd-button{font-size:12px}.qd-values{grid-template-columns:1fr;margin-top:26px}.qd-values article{padding:22px 0!important;border-right:0;border-bottom:1px solid var(--qd-line)}.qd-values article:last-child{padding-bottom:0!important}.qd-values h3{font-size:19px;margin:9px 0 8px}.qd-values p{font-size:12px;max-width:none}.qd-field-grid{grid-template-columns:1fr;gap:30px}.qd-field figure>img{height:300px}.qd-field-secondary img{object-position:50% 32%}.qd-field figcaption{padding-top:15px;display:flex}.qd-field figcaption strong{margin-top:0;font-size:12px}.qd-field figcaption>span{font-size:9px}.qd-about-grid{grid-template-columns:1fr;gap:30px}.qd-about-sign{display:none}.qd-about-copy{padding-top:0}.qd-about-copy h3{font-size:19px;margin-bottom:20px}.qd-about-copy p{font-size:13px}.qd-contact-banner{padding:50px 0}.qd-contact-banner-inner{display:block}.qd-contact-banner h2{font-size:32px}.qd-contact-banner p:not(.qd-eyebrow){font-size:11px;line-height:1.9}.qd-contact-banner-actions{min-width:0;margin-top:30px}.qd-contact-phone{font-size:31px;justify-content:space-between;max-width:380px;margin-bottom:23px;padding-bottom:20px}.qd-contact-banner .qd-button{font-size:12px;gap:33px;min-height:50px}.qd-contact-banner .qd-actions{gap:28px}.qd-footer{padding-top:40px}.qd-footer-main{display:grid;grid-template-columns:1fr 1fr;gap:30px 20px;padding-bottom:30px}.qd-footer-main>div:first-child{grid-column:1/-1}.qd-footer-brand{font-size:24px}.qd-footer-main p{font-size:11px;margin-top:10px}.qd-footer-links{grid-template-columns:1fr;gap:10px;font-size:11px;padding-top:0}.qd-footer-contact>a{font-size:18px}.qd-footer-contact .qd-footer-mail{font-size:10px}.qd-legal{padding-top:18px;font-size:8px;gap:8px}.qd-legal div{flex-wrap:wrap;gap:4px 15px}.qd-contact-heading{padding-block:46px 35px}.qd-contact-heading h1{font-size:clamp(29px,8.5vw,39px);line-height:1.4}.qd-contact-heading>p:last-child{font-size:12px}.qd-mobile-break{display:block}.qd-contact-grid{grid-template-columns:1fr;gap:40px;padding-bottom:60px}.qd-contact-item .qd-big-phone{font-size:31px}.qd-contact-item .qd-email-link{font-size:21px}.qd-contact-item h2{font-size:18px}.qd-consultation{padding:30px 25px}.qd-consultation h2{font-size:29px}.qd-generic-heading{padding-block:40px 28px}.qd-generic-heading h1{font-size:30px}.qd-generic-content{padding-bottom:50px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Corporate blue design: Chinese-first hierarchy and real industrial imagery. */
.qd-header{background:#fffffff5;border-bottom:1px solid #e6edf6;box-shadow:0 3px 18px #143c6b08}
.qd-nav{height:96px}.qd-brand img{width:65px;height:65px}.qd-brand strong{font-size:22px;letter-spacing:.05em;color:#153b70}.qd-brand small{font-size:9px;letter-spacing:.07em}.qd-navigation{font-size:15px;gap:34px}.qd-navigation>a:not(.qd-nav-contact){position:relative;padding:33px 0}.qd-navigation>a:not(.qd-nav-contact):after{content:'';position:absolute;bottom:20px;left:0;width:0;height:3px;background:#2867cf;transition:width .2s}.qd-navigation>a:hover:after{width:100%}.qd-navigation .qd-nav-contact{background:#2867cf;padding:12px 20px;gap:18px}
.qd-wrap{width:min(1280px,calc(100% - 96px))}.qd-section{padding:84px 0}.qd-eyebrow{font-size:15px;letter-spacing:.1em;margin-bottom:13px;color:#2867cf;font-weight:600}.qd-section h2{font-size:34px;font-weight:700;letter-spacing:.01em;line-height:1.55}.qd-button{background:#2867cf;border-color:#2867cf;font-size:14px;gap:28px;border-radius:3px}.qd-button:hover{background:#1855ba}.qd-text-link{font-size:14px;color:#2867cf;border-bottom-color:#b0c9ed}
.qd-hero{position:relative;padding:0;isolation:isolate;overflow:hidden;background:#092b60;color:white;min-height:580px;display:flex;align-items:center}.qd-hero-visual{position:absolute;inset:0;height:100%;width:100%;padding:0;background:#16395c;z-index:-3}.qd-hero-image{height:100%;width:100%;object-fit:cover;object-position:center 56%}.qd-hero:before{content:'';position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,#05234cf5 0%,#07336ae8 28%,#0c3f7da6 52%,#06387824 100%),linear-gradient(0deg,#082c6259,transparent 65%)}.qd-hero-copy{padding-top:76px;padding-bottom:78px;position:relative}.qd-hero .qd-eyebrow{color:#c5ddff;font-size:17px;letter-spacing:.16em;margin-bottom:23px}.qd-hero h1{font-size:52px;line-height:1.4;letter-spacing:.045em;font-weight:700;margin:0}.qd-hero h1 em{color:white}.qd-hero-intro{font-size:17px;color:#d9e8fc;line-height:1.95;margin:25px 0 33px}.qd-hero .qd-button{background:#3478ed;border-color:#3478ed;min-width:168px}.qd-hero .qd-button-outline{background:#ffffff0d;border-color:#ffffff70;min-width:145px}.qd-hero .qd-button:hover{background:#185bc4}.qd-hero .qd-actions{gap:18px}.qd-hero-photo-label{position:absolute;right:0;bottom:24px;font-size:11px;color:#e5efff;background:#052a5877;padding:5px 12px;border-left:2px solid #6bb6ff}.qd-hero-lines{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(120deg,transparent 64%,#a6d5ff25 64.08%,transparent 64.2%),linear-gradient(120deg,transparent 76%,#a6d5ff22 76.08%,transparent 76.2%)}
.qd-capabilities{background:#fff;border-bottom:1px solid #e2eaf5;box-shadow:0 8px 20px #173b6505}.qd-focus-strip{margin-top:0;border:0;padding:30px 0;gap:36px}.qd-focus-strip>div{align-items:center;gap:21px}.qd-focus-strip>div>span{font-size:34px;line-height:1;font-weight:500;color:#b6cdec;padding:0;font-family:Arial,sans-serif}.qd-focus-strip p{font-size:18px;font-weight:700}.qd-focus-strip strong{font-size:13px;margin-top:5px}
.qd-section-top{display:block;text-align:center;margin-bottom:38px}.qd-section-summary{max-width:720px;margin:15px auto 0;font-size:14px;line-height:1.9}.qd-section-summary br{display:none}.qd-section-top h2:after{content:'';display:block;width:42px;height:3px;background:#2867cf;margin:18px auto 0}.qd-technology{background:linear-gradient(135deg,#f5f9ff,#eaf2fd);color:#102d50}.qd-technology .qd-eyebrow{color:#2867cf}.qd-technology .qd-section-summary{color:#62738a}.qd-process{border:0;gap:20px;margin-top:36px}.qd-process article,.qd-process article:first-child,.qd-process article:last-child{padding:28px 25px 30px;background:white;border:1px solid #dce7f6;border-top:3px solid #3478df;box-shadow:0 8px 24px #123c6d05;border-radius:3px}.qd-step{font-size:24px;font-weight:600;color:#2867cf}.qd-step i{color:#98b9e5}.qd-process h3{font-size:21px;font-weight:700;margin:23px 0 12px}.qd-process article p{font-size:14px;max-width:none;line-height:1.9;color:#62738a}.qd-process-note{text-align:center;font-size:12px;color:#72839a;margin-top:25px}
.qd-product-card{grid-template-columns:1fr 1.05fr;border:1px solid #e0e9f5;border-radius:5px;overflow:hidden;box-shadow:0 12px 35px #173a6510}.qd-product-photo{min-height:505px;background:#e4ecf5}.qd-product-photo img{object-position:center 40%}.qd-product-copy{padding:42px 45px;background:linear-gradient(135deg,#fff,#f7faff)}.qd-pill{border:0;background:#e7f0ff;color:#2867cf;font-size:12px;padding:5px 12px}.qd-product-copy h3{font-size:30px;letter-spacing:.01em;font-weight:700}.qd-product-copy>p{font-size:14px}.qd-check-list{font-size:14px;margin:20px 0 26px}.qd-check-list li:before{content:'✓'}.qd-product-details summary{font-size:13px}.qd-product-details p{font-size:13px}.qd-values{gap:24px;margin-top:28px}.qd-values article,.qd-values article:first-child,.qd-values article:last-child{padding:25px 28px;border:1px solid #e1eaf6;border-radius:4px;background:#f7faff}.qd-value-number{font-size:11px;color:#2867cf;background:#e6efff;border-radius:2px;padding:4px 8px;letter-spacing:.03em}.qd-values h3{font-size:20px;font-weight:700;margin-top:17px}.qd-values p{font-size:13px;max-width:none}
.qd-field{background:#f1f5fb}.qd-field-grid{grid-template-columns:1.3fr 1fr;gap:26px}.qd-field figure{background:white;border:1px solid #dfe8f3;border-radius:4px;overflow:hidden}.qd-field figure>img{height:350px}.qd-field figcaption{padding:21px 23px;display:block}.qd-field figcaption>span{font-size:12px;color:#2867cf}.qd-field figcaption strong{display:block;margin-top:5px;font-size:17px;font-weight:600}.qd-about-grid{gap:80px;align-items:center}.qd-about-sign{font-size:58px;letter-spacing:.02em;color:#d7e5fa;margin-top:32px}.qd-about-copy{padding:28px 0 28px 35px;border-left:3px solid #2867cf}.qd-about-copy h3{font-size:23px;font-weight:700}.qd-about-copy p{font-size:14px}.qd-contact-banner{background:linear-gradient(110deg,#0b3a80,#2466c9);padding:56px 0}.qd-contact-banner h2{font-size:30px;line-height:1.6;letter-spacing:.01em;font-weight:600}.qd-contact-banner .qd-eyebrow{font-size:14px;color:#acd4ff}.qd-contact-banner p:not(.qd-eyebrow){font-size:14px;color:#d2e4ff}.qd-button-light{background:white;color:#245fae;border-color:white}.qd-button-light:hover{background:#eaf4ff}.qd-contact-phone{font-size:33px;border-color:#ffffff40}.qd-contact-phone>span{color:#8ecfff}.qd-qr-button{font-size:14px}.qd-footer{background:#0d2341;color:#e2edff}.qd-footer-main p,.qd-footer-contact>span,.qd-legal{color:#a3b3c9}.qd-footer-main p{font-size:12px}.qd-footer-links{font-size:13px}.qd-legal{font-size:11px}.qd-footer-contact .qd-footer-mail{font-size:12px}
.qd-contact-heading{padding-block:65px 45px}.qd-contact-heading h1{font-size:38px;letter-spacing:.02em;line-height:1.6;font-weight:700}.qd-contact-heading>p:last-child{font-size:15px}.qd-contact-grid{gap:75px}.qd-contact-item>span{font-size:13px;color:#2867cf}.qd-contact-item p{font-size:14px}.qd-consultation{border-top:3px solid #2867cf;border-radius:4px}.qd-consultation h2{font-size:28px;font-weight:600}.qd-consultation>p:not(.qd-eyebrow),.qd-consultation li p,.qd-consultation-note{font-size:13px}.qd-consultation strong{font-size:15px}
@media(min-width:1600px){.qd-hero{min-height:650px}.qd-hero-visual{height:100%}.qd-hero h1{font-size:58px}}
@media(max-width:1150px){.qd-wrap{width:calc(100% - 64px)}.qd-brand strong{font-size:18px}.qd-brand small{font-size:8px}.qd-brand img{width:55px;height:55px}.qd-navigation{gap:22px;font-size:14px}.qd-hero h1{font-size:46px}.qd-product-copy{padding:34px}.qd-process{gap:14px}.qd-process article,.qd-process article:first-child,.qd-process article:last-child{padding:23px 19px}.qd-process h3{font-size:19px}.qd-process article p{font-size:13px}}
@media(max-width:900px){.qd-nav{height:80px}.qd-navigation{top:80px}.qd-navigation>a:not(.qd-nav-contact){padding:15px 5px}.qd-navigation>a:after{display:none}.qd-hero{min-height:530px}.qd-hero-visual{height:100%}.qd-hero-copy{padding-block:65px}.qd-hero h1{font-size:43px}.qd-hero-intro{font-size:15px}.qd-hero:before{background:linear-gradient(90deg,#05234cf5,#07336ac9 58%,#06387855)}.qd-focus-strip{gap:18px}.qd-focus-strip>div{gap:13px}.qd-focus-strip p{font-size:15px}.qd-focus-strip strong{font-size:11px}.qd-focus-strip>div>span{font-size:27px}.qd-section{padding:65px 0}.qd-section h2{font-size:29px}.qd-process{grid-template-columns:repeat(2,1fr)}.qd-product-card{grid-template-columns:1fr 1fr}.qd-product-copy{padding:28px}.qd-product-copy h3{font-size:25px}.qd-product-photo{min-height:520px}.qd-values{gap:15px}.qd-values article,.qd-values article:first-child,.qd-values article:last-child{padding:22px 18px}.qd-values h3{font-size:18px}.qd-about-grid{gap:35px}.qd-about-copy{padding-left:25px}.qd-contact-banner h2{font-size:25px}.qd-contact-banner p:not(.qd-eyebrow){font-size:12px}.qd-contact-heading h1{font-size:32px}}
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