#about-pack{--blue:#002fa7;--blue-dark:#062779;--ink:#202731;--muted:#637083;--paper:#f5f6f8;--line:#dde3ec;--pale:#edf2ff;--max:1180px;--radius:12px;font-family:Arial,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:144px}#about-pack *{box-sizing:border-box}#about-pack{margin:0;background:#fff;font-size:17px;line-height:1.9}#about-pack.modal-open{overflow:hidden}#about-pack button,#about-pack input,#about-pack select,#about-pack textarea{font:inherit}#about-pack button,#about-pack a{-webkit-tap-highlight-color:transparent}#about-pack button{cursor:pointer}#about-pack a{color:var(--blue);text-decoration:none}#about-pack a:hover{text-decoration:underline;text-underline-offset:5px}#about-pack button:focus-visible,#about-pack a:focus-visible,#about-pack summary:focus-visible,#about-pack input:focus-visible,#about-pack select:focus-visible,#about-pack textarea:focus-visible{outline:3px solid #7b9bff;outline-offset:4px}#about-pack img{max-width:100%;display:block}#about-pack h1,#about-pack h2,#about-pack h3,#about-pack p,#about-pack figure,#about-pack dl,#about-pack dd{margin:0}#about-pack h1,#about-pack h2,#about-pack h3{font-weight:700;letter-spacing:-.025em}#about-pack h1{font-size:48px;line-height:1.3}#about-pack h2{font-size:32px;line-height:1.45}#about-pack h3{font-size:21px;line-height:1.55}#about-pack p{color:var(--muted)}#about-pack button{color:inherit}#about-pack .wrap{width:min(var(--max),calc(100% - 64px));margin:auto}#about-pack .section{padding:76px 0}#about-pack .section.soft{background:var(--paper)}#about-pack .eyebrow{color:var(--blue);font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:14px}#about-pack .section-head{margin-bottom:32px}#about-pack .section-head>p:last-child:not(.eyebrow){max-width:1000px;margin-top:18px}#about-pack .text-link{display:inline-flex;align-items:center;gap:12px;font-size:15px;font-weight:700;line-height:1.5}#about-pack .text-link span{font-size:20px;font-weight:400}#about-pack .skip{position:fixed;top:-100px;left:20px;background:white;padding:12px;z-index:100}#about-pack .skip:focus{top:12px}#about-pack .site-header{height:80px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}#about-pack .header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:32px}#about-pack .brand{display:flex;align-items:center;gap:20px;color:var(--ink);flex-shrink:0}#about-pack .brand img{width:148px;height:42px;object-fit:contain}#about-pack .brand span{font-size:12px;line-height:1.7;border-left:1px solid var(--line);padding-left:17px}#about-pack .brand:hover{text-decoration:none}#about-pack .main-nav{display:flex;align-items:center;gap:26px;font-size:15px}#about-pack .main-nav a{color:var(--ink);white-space:nowrap}#about-pack .main-nav .active{color:var(--blue);font-weight:700}#about-pack .main-nav .contact-link{background:var(--blue);color:white;border-radius:5px;padding:9px 18px}#about-pack .menu-toggle{display:none;border:1px solid var(--line);border-radius:5px;background:white;padding:6px 13px}#about-pack .hero{background:var(--blue);color:#fff;padding:36px 0 58px}#about-pack .breadcrumb{display:flex;gap:12px;align-items:center;font-size:13px;margin-bottom:32px;color:#c9d6ff}#about-pack .breadcrumb a{color:inherit}#about-pack .hero .eyebrow{color:#d4deff;font-size:15px;letter-spacing:.02em;margin-bottom:12px}#about-pack .hero-copy{max-width:960px}#about-pack .hero p{color:#e0e7ff;max-width:940px;font-size:17px;line-height:1.9}#about-pack .hero h1{margin-bottom:22px}#about-pack .hero p+p{margin-top:9px}#about-pack .section-nav{position:sticky;top:80px;background:#fff;border-bottom:1px solid var(--line);z-index:25}#about-pack .section-nav .wrap{display:flex;align-items:center;gap:31px;overflow-x:auto;scrollbar-width:none}#about-pack .section-nav .wrap::-webkit-scrollbar{display:none}#about-pack .section-nav a{white-space:nowrap;font-size:14px;color:var(--muted);padding:16px 0 13px;border-bottom:3px solid transparent}#about-pack .section-nav a.is-active{border-color:var(--blue);color:var(--blue);font-weight:700}#about-pack .section-nav a:hover{text-decoration:none;color:var(--blue)}#about-pack .intro-copy{max-width:1090px}#about-pack .intro-copy p+p{margin-top:12px}#about-pack .intro-copy strong{color:var(--ink);font-weight:500}#about-pack .stats{display:grid;grid-template-columns:repeat(4,1fr);margin:36px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}#about-pack .stat{padding-left:30px;border-left:1px solid var(--line)}#about-pack .stat:first-child{padding-left:0;border:0}#about-pack .stat strong{display:block;color:var(--blue);font-size:36px;line-height:1.3;letter-spacing:-.04em}#about-pack .stat strong small{font-size:20px;font-weight:600;margin-left:3px}#about-pack .stat span{display:block;font-size:14px;color:var(--muted);margin-top:7px}#about-pack .manufacturing-basis{display:flex;gap:30px;align-items:center;padding:16px 0;font-size:16px;border-bottom:1px solid var(--line)}#about-pack .manufacturing-basis span+span{padding-left:30px;border-left:1px solid var(--line)}#about-pack .manufacturing-basis b{color:var(--ink);font-weight:500}#about-pack .project-proof{margin-top:36px}#about-pack .inline-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:10px}#about-pack .project-list{list-style:none;padding:0;margin:0}#about-pack .project-list li{display:grid;grid-template-columns:235px 1fr;gap:24px;border-bottom:1px solid var(--line);padding:15px 0;font-size:15px;line-height:1.85}#about-pack .project-list strong{font-weight:600;color:var(--ink)}#about-pack .project-list p{font-size:15px}#about-pack .split{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start}#about-pack .visual{overflow:hidden;border-radius:var(--radius);background:#e8ecf0}#about-pack .visual img{width:100%;height:100%;object-fit:cover}#about-pack .visual-caption{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}#about-pack .visual-button{display:block;width:100%;padding:0;border:0;text-align:left;background:transparent;cursor:zoom-in}#about-pack .photo-window{position:relative;overflow:hidden;width:100%;background:#eef0f3}#about-pack .photo-window img{position:absolute;max-width:none;width:var(--iw);height:auto;left:var(--ix);top:var(--iy)}#about-pack .research-visual .photo-window{aspect-ratio:1.12}#about-pack .capability+.capability{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}#about-pack .capability h3{font-size:20px;margin-bottom:8px}#about-pack .capability h3 span{color:var(--blue)}#about-pack .capability p{font-size:16px;line-height:1.9}#about-pack .capabilities>.text-link{margin-top:24px}#about-pack .oem-section{padding-top:0}#about-pack .oem-section .wrap{padding-top:52px;border-top:1px solid var(--line)}#about-pack .oem-visual{aspect-ratio:1.15;background:#fff;display:flex;align-items:center;justify-content:center}#about-pack .oem-visual img{width:100%;height:100%;object-fit:contain}#about-pack .oem-text h3{color:var(--blue);margin-bottom:10px}#about-pack .oem-text p{font-size:16px}#about-pack .oem-text p+p{margin-top:12px}#about-pack .oem-text .oem-group+.oem-group{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}#about-pack .oem-text>.text-link{margin-top:24px}#about-pack .factory-gallery{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}#about-pack .factory-gallery .photo-window{aspect-ratio:1.38;border-radius:10px}#about-pack .factory-gallery figcaption{font-size:14px;margin-top:10px;color:var(--muted)}#about-pack .process{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:35px;padding-top:25px;border-top:1px solid var(--line)}#about-pack .process-step .step-num{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}#about-pack .process-step h3{font-size:17px;margin-top:9px;margin-bottom:8px;letter-spacing:0}#about-pack .process-step p{font-size:14px;line-height:1.85}#about-pack .factory-foot{margin-top:25px;padding-top:19px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:30px;align-items:center}#about-pack .factory-foot p{font-size:14px}#about-pack .factory-foot .text-link{flex-shrink:0}#about-pack .tabs{display:flex;gap:30px;border-bottom:1px solid #cad3e3;margin-bottom:28px;overflow-x:auto;scrollbar-width:none}#about-pack .tab{background:none;border:0;border-bottom:3px solid transparent;padding:13px 0 12px;color:var(--muted);font-size:16px;white-space:nowrap}#about-pack .tab[aria-selected=true]{border-color:var(--blue);color:var(--blue);font-weight:700}#about-pack .credential-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;min-height:335px;align-items:center}#about-pack .credential-panel[hidden]{display:none}#about-pack .credential-copy h3{font-size:24px;margin-bottom:14px}#about-pack .credential-copy p{font-size:16px}#about-pack .credential-copy p+p{margin-top:12px}#about-pack .credential-copy .certificate-note{font-size:13px;margin-top:18px}#about-pack .cert-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}#about-pack .cert-tile{background:white;border:1px solid var(--line);border-radius:8px;padding:14px;min-width:0}#about-pack .cert-tile button{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}#about-pack .cert-window{position:relative;aspect-ratio:230/315;overflow:hidden;background:white}#about-pack .cert-window img{position:absolute;max-width:none;width:434.78261%;height:auto;left:var(--cx);top:var(--cy)}#about-pack .cert-tile figcaption{font-size:13px;text-align:center;line-height:1.6;margin-top:12px;color:var(--ink)}#about-pack .cert-tile figcaption span{display:block;font-size:11px;color:var(--muted);margin-top:3px}#about-pack .testing-photo{border-radius:9px;overflow:hidden;background:#fff;max-height:350px}#about-pack .testing-photo img{height:350px;width:100%;object-fit:contain}#about-pack .patent-list{display:grid;gap:12px}#about-pack .patent-item{padding:20px 22px;background:white;border:1px solid var(--line);border-radius:8px}#about-pack .patent-item strong{font-size:17px;display:block}#about-pack .patent-item span{font-size:14px;color:var(--muted)}#about-pack .honor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}#about-pack .honor-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:8px}#about-pack .honor-item strong{font-size:17px;display:block;color:var(--blue)}#about-pack .honor-item span{font-size:13px;color:var(--muted)}#about-pack .cert-assistance{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);display:grid;grid-template-columns:200px 1fr;gap:20px}#about-pack .cert-assistance h3{font-size:18px}#about-pack .cert-assistance p{font-size:15px}#about-pack .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}#about-pack .service-card{border:1px solid var(--line);border-radius:10px;padding:28px}#about-pack .service-stage{color:var(--blue);font-size:13px;font-weight:700;margin-bottom:16px}#about-pack .service-card h3{margin-bottom:12px}#about-pack .service-card p{font-size:16px}#about-pack .service-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:26px;gap:24px}#about-pack .support-modes{display:flex;gap:26px;flex-wrap:wrap;font-size:15px;color:var(--blue);font-weight:600}#about-pack .faq-list{border:1px solid var(--line);border-radius:12px;background:white;overflow:hidden}#about-pack .faq-item+.faq-item{border-top:1px solid var(--line)}#about-pack .faq-item summary{display:flex;justify-content:space-between;align-items:center;list-style:none;cursor:pointer;padding:22px 27px;font-size:18px;line-height:1.7;font-weight:600;gap:20px}#about-pack .faq-item summary::-webkit-details-marker{display:none}#about-pack .faq-item summary::after{content:'+';color:var(--blue);font-size:25px;font-weight:400;flex-shrink:0;line-height:1}#about-pack .faq-item[open] summary::after{content:'−'}#about-pack .faq-item[open] summary{color:var(--blue);padding-bottom:12px}#about-pack .faq-item .answer{padding:0 58px 25px 27px;font-size:16px;line-height:1.9;color:var(--muted)}#about-pack .faq-foot{margin-top:22px;font-size:14px}#about-pack .cta-section{background:var(--paper);padding:0 0 64px}#about-pack .cta{background:var(--blue);color:white;border-radius:12px;padding:38px 40px;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center}#about-pack .cta h2{font-size:28px;margin-bottom:12px}#about-pack .cta p{font-size:16px;color:#e1e8ff;max-width:730px}#about-pack .cta-actions{display:flex;flex-direction:column;gap:12px;min-width:180px}#about-pack .btn{display:inline-flex;justify-content:center;align-items:center;gap:12px;border:1px solid transparent;border-radius:6px;padding:12px 22px;font-size:15px;font-weight:600;text-decoration:none;line-height:1.5;min-height:48px;transition:background .15s,transform .15s}#about-pack .btn:hover{text-decoration:none;transform:translateY(-1px)}#about-pack .btn-white{color:var(--blue);background:white}#about-pack .btn-white:hover{background:#edf2ff}#about-pack .btn-outline{color:white;background:transparent;border-color:#9eb5ef}#about-pack .btn-outline:hover{background:rgba(255,255,255,.1)}#about-pack .btn-blue{background:var(--blue);color:white}#about-pack .btn-plain{background:white;border-color:var(--line);color:var(--blue)}#about-pack footer{background:#fff;padding:30px 0;font-size:13px}#about-pack .footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}#about-pack .footer-name{color:var(--ink);font-size:14px}#about-pack .footer-links{display:flex;gap:20px;align-items:center}#about-pack .footer-links a{color:var(--muted)}#about-pack .footer-copy{font-size:12px;margin-top:6px;color:#7b8795}#about-pack .dialog{border:0;border-radius:14px;padding:0;width:min(640px,calc(100% - 32px));max-height:90vh;box-shadow:0 20px 100px #14213a3d;overflow:auto;color:var(--ink)}#about-pack .dialog::backdrop{background:rgba(12,24,49,.56)}#about-pack .dialog-header{padding:28px 32px 20px;display:flex;align-items:start;justify-content:space-between;border-bottom:1px solid var(--line);gap:18px}#about-pack .dialog-header h2{font-size:25px}#about-pack .dialog-header p{font-size:14px;margin-top:8px}#about-pack .dialog-close{border:0;background:var(--paper);border-radius:5px;min-width:36px;height:36px;font-size:25px;line-height:1}#about-pack .consult-form{padding:24px 32px 30px}#about-pack .field{display:block;margin-bottom:18px}#about-pack .field-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}#about-pack .field input,#about-pack .field select,#about-pack .field textarea{display:block;width:100%;border:1px solid #cad3df;border-radius:6px;padding:10px 12px;background:white;color:var(--ink);font-size:16px;line-height:1.6}#about-pack .field textarea{resize:vertical;min-height:112px}#about-pack .field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}#about-pack .form-actions{display:flex;gap:12px;flex-wrap:wrap}#about-pack .form-note{font-size:13px;margin-top:14px;line-height:1.7}#about-pack .form-status{color:var(--blue);font-size:14px;margin-top:12px;min-height:24px}#about-pack .lightbox{width:min(1100px,calc(100% - 24px));background:#f5f6f8;overflow:auto}#about-pack .lightbox .dialog-header{position:sticky;top:0;background:white;z-index:1;padding:16px 24px}#about-pack .lightbox .dialog-header h2{font-size:20px}#about-pack .lightbox-figure{padding:22px}#about-pack .lightbox-figure img{margin:auto;max-height:72vh;width:auto;object-fit:contain}#about-pack .lightbox-figure figcaption{font-size:13px;margin:14px auto 0;max-width:750px}#about-pack .lightbox-source{display:inline-block;font-size:13px;margin:0 22px 20px}#about-pack .hidden{display:none!important}@media(min-width:1550px){#about-pack{--max:1220px}#about-pack .hero{padding-bottom:64px}#about-pack .hero-copy{max-width:980px}}@media(max-width:1100px){#about-pack .brand span{display:none}#about-pack .main-nav{gap:20px}#about-pack .split{gap:32px}#about-pack .section-nav .wrap{gap:24px}#about-pack .process{gap:16px}#about-pack .service-card{padding:23px}#about-pack .credential-panel{gap:26px;grid-template-columns:.85fr 1.15fr}#about-pack .cta{grid-template-columns:1fr 180px;padding:32px;gap:24px}}@media(max-width:800px){#about-pack{scroll-padding-top:122px}#about-pack .wrap{width:calc(100% - 40px)}#about-pack{font-size:16px}#about-pack .site-header{height:66px}#about-pack .brand img{width:132px;height:36px}#about-pack .menu-toggle{display:block;font-size:14px}#about-pack .main-nav{display:none;position:absolute;left:0;right:0;top:65px;background:white;border-bottom:1px solid var(--line);padding:20px;box-shadow:0 16px 24px #22375512;grid-template-columns:repeat(2,1fr);gap:14px 24px}#about-pack .main-nav.is-open{display:grid}#about-pack .main-nav .contact-link{text-align:center}#about-pack .hero{padding:26px 0 38px}#about-pack .breadcrumb{margin-bottom:24px}#about-pack .hero h1{font-size:36px;margin-bottom:18px}#about-pack .hero p{font-size:16px}#about-pack .hero .eyebrow{font-size:14px}#about-pack .section-nav{top:66px}#about-pack .section-nav .wrap{gap:23px}#about-pack .section-nav a{font-size:13px;padding-top:13px;padding-bottom:10px}#about-pack .section{padding:52px 0}#about-pack h2{font-size:27px}#about-pack h3{font-size:20px}#about-pack .section-head{margin-bottom:25px}#about-pack .section-head>p:last-child:not(.eyebrow){margin-top:14px}#about-pack .stats{grid-template-columns:repeat(2,1fr);gap:26px 0;padding:24px 0}#about-pack .stat{padding-left:22px}#about-pack .stat:nth-child(3){padding-left:0;border:0}#about-pack .stat strong{font-size:32px}#about-pack .stat span{font-size:13px}#about-pack .manufacturing-basis{font-size:14px;gap:12px;flex-direction:column;align-items:flex-start;padding:15px 0}#about-pack .manufacturing-basis span+span{border:0;padding:0}#about-pack .project-proof{margin-top:28px}#about-pack .project-list li{grid-template-columns:1fr;gap:5px;padding:14px 0}#about-pack .project-list strong{font-size:16px}#about-pack .project-list p{font-size:14px}#about-pack .inline-heading{align-items:flex-start;gap:12px}#about-pack .inline-heading h3{font-size:19px}#about-pack .inline-heading .text-link{font-size:13px;padding-top:5px;white-space:nowrap}#about-pack .split{grid-template-columns:1fr;gap:26px}#about-pack .research-visual .photo-window{aspect-ratio:1.65}#about-pack .capability+.capability{margin-top:21px;padding-top:21px}#about-pack .capability h3{font-size:19px}#about-pack .oem-section{padding-top:0}#about-pack .oem-section .wrap{padding-top:36px}#about-pack .oem-visual{aspect-ratio:1.45}#about-pack .factory-gallery{gap:12px;grid-template-columns:repeat(3,1fr)}#about-pack .factory-gallery .photo-window{aspect-ratio:.9}#about-pack .factory-gallery figcaption{font-size:12px;line-height:1.6}#about-pack .process{grid-template-columns:1fr;gap:0;margin-top:24px;padding-top:0}#about-pack .process-step{display:grid;grid-template-columns:52px 1fr;column-gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}#about-pack .process-step .step-num{grid-row:1/3;padding-top:3px}#about-pack .process-step h3{margin-top:0;margin-bottom:5px;font-size:17px}#about-pack .process-step p{font-size:14px}#about-pack .factory-foot{display:block;margin-top:18px;padding-top:0;border:0}#about-pack .factory-foot .text-link{margin-top:14px}#about-pack .tabs{gap:24px;margin-bottom:24px}#about-pack .tab{font-size:14px}#about-pack .credential-panel{grid-template-columns:1fr;gap:24px;min-height:0}#about-pack .credential-copy h3{font-size:22px}#about-pack .credential-copy p{font-size:15px}#about-pack .cert-gallery{gap:10px}#about-pack .cert-tile{padding:9px}#about-pack .cert-tile figcaption{font-size:12px}#about-pack .cert-tile figcaption span{font-size:10px}#about-pack .cert-assistance{grid-template-columns:1fr;gap:8px}#about-pack .cert-assistance h3{font-size:18px}#about-pack .cert-assistance p{font-size:14px}#about-pack .honor-item{padding:16px}#about-pack .honor-item strong{font-size:15px}#about-pack .service-grid{grid-template-columns:1fr;gap:14px}#about-pack .service-card{padding:23px}#about-pack .service-stage{margin-bottom:8px}#about-pack .service-card h3{font-size:20px}#about-pack .service-card p{font-size:15px}#about-pack .service-bottom{display:block}#about-pack .support-modes{gap:10px 19px;font-size:14px;margin-bottom:18px}#about-pack .faq-item summary{font-size:16px;padding:19px 19px;gap:12px}#about-pack .faq-item .answer{font-size:15px;padding:0 42px 21px 19px}#about-pack .cta-section{padding:0 0 40px}#about-pack .cta{display:block;padding:28px 24px;border-radius:10px}#about-pack .cta h2{font-size:25px}#about-pack .cta p{font-size:15px}#about-pack .cta-actions{margin-top:24px;flex-direction:row;flex-wrap:wrap;min-width:0;gap:10px}#about-pack .cta-actions .btn{font-size:14px;padding:11px 15px;flex:1;white-space:nowrap}#about-pack .footer-inner{display:block}#about-pack .footer-links{margin-top:17px;gap:22px;flex-wrap:wrap}#about-pack .dialog-header{padding:22px 22px 16px}#about-pack .dialog-header h2{font-size:22px}#about-pack .consult-form{padding:20px 22px 24px}#about-pack .field-row{grid-template-columns:1fr;gap:0}#about-pack .form-actions .btn{font-size:14px;flex:1}#about-pack .lightbox-figure{padding:12px}}@media(max-width:380px){#about-pack .wrap{width:calc(100% - 32px)}#about-pack .hero h1{font-size:31px}#about-pack .stat strong{font-size:29px}#about-pack .factory-gallery{grid-template-columns:1fr}#about-pack .factory-gallery .photo-window{aspect-ratio:1.65}#about-pack .factory-gallery figure+figure{margin-top:8px}#about-pack .cert-gallery{grid-template-columns:repeat(2,1fr)}#about-pack .cert-tile:last-child{display:none}#about-pack .cta-actions{flex-direction:column}#about-pack .cta h2{font-size:23px}#about-pack .honor-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){#about-pack{scroll-behavior:auto}#about-pack *,#about-pack *::before,#about-pack *::after{transition:none!important}}

#about-pack .plain-link{border:0;background:none;padding:0;color:var(--blue)}#about-pack .plain-link:hover{text-decoration:underline;text-underline-offset:5px}#about-pack .research-photo{height:460px}#about-pack .research-photo img{height:100%;object-fit:cover;object-position:48% center}#about-pack .factory-photo{aspect-ratio:1.5}#about-pack .factory-photo img{width:100%;height:100%;object-fit:cover}#about-pack .product-pair{display:flex;align-items:center;justify-content:center;gap:45px;width:100%;padding:38px}#about-pack .product-pair figure{width:150px;text-align:center}#about-pack .product-pair img{width:100%;height:310px;object-fit:contain}#about-pack .product-pair figcaption{font-size:14px;color:var(--muted);margin-top:15px}#about-pack .cert-image{width:100%;height:238px;object-fit:contain;object-position:top}#about-pack .credential-link{margin-top:20px}#about-pack .honor-wide{grid-column:1/-1}@media(max-width:800px){#about-pack .research-photo{height:280px}#about-pack .factory-photo{aspect-ratio:.95}#about-pack .product-pair{gap:35px;padding:20px}#about-pack .product-pair figure{width:100px}#about-pack .product-pair img{height:220px}#about-pack .product-pair figcaption{margin-top:5px}#about-pack .cert-image{height:165px}}@media(max-width:380px){#about-pack .factory-photo{aspect-ratio:1.6}#about-pack .cert-tile:last-child{display:block}#about-pack .cert-image{height:170px}}
@media(max-width:800px){#about-pack h1,#about-pack h2{text-wrap:balance}}
@media(max-width:600px){#about-pack .factory-gallery{grid-template-columns:1fr}#about-pack .factory-gallery figure+figure{margin-top:8px}#about-pack .factory-photo{aspect-ratio:1.65}#about-pack .cert-gallery{grid-template-columns:repeat(2,1fr)}}


#about-pack [hidden]{display:none!important}
#about-pack #quality{overflow-anchor:none}
#about-pack .hero{padding:28px 0 48px;background:#062e96}
#about-pack .hero .breadcrumb{margin-bottom:30px}
#about-pack .hero-layout{display:grid;grid-template-columns:1.03fr 1fr;gap:54px;align-items:center}
#about-pack .hero-copy{max-width:none}
#about-pack .hero h1{font-size:49px;line-height:1.26;margin-bottom:22px;letter-spacing:-.035em}
#about-pack .hero-copy>p:not(.eyebrow){font-size:16px;line-height:1.9;color:#dbe4ff}
#about-pack .hero-actions{display:flex;align-items:center;gap:26px;margin-top:27px}
#about-pack .hero-text-link{color:white;font-size:14px;display:inline-flex;gap:12px;align-items:center}
#about-pack .hero-visual{align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-width:0}
#about-pack .hero-visual>img{width:100%;height:360px;object-fit:cover;object-position:40% center;border-radius:8px}
#about-pack .hero-visual figcaption{display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#c6d4f9;letter-spacing:.04em;margin-top:13px}
#about-pack .hero-visual figcaption span:last-child{font-size:11px;letter-spacing:.16em}
#about-pack .company-layout{display:grid;grid-template-columns:.84fr 1.16fr;gap:58px;align-items:center}
#about-pack .company-text h2{font-size:31px;max-width:440px}
#about-pack .company-text .section-head{margin-bottom:20px}
#about-pack .company-text .intro-copy{font-size:16px;line-height:1.95}
#about-pack .company-more{margin-top:20px}
#about-pack .company-more summary{cursor:pointer;display:inline-flex;gap:30px;align-items:center;color:var(--blue);font-size:14px;font-weight:600;list-style:none}
#about-pack .company-more summary::-webkit-details-marker{display:none}
#about-pack .company-more summary span{font-size:20px;font-weight:400}
#about-pack .company-more[open] summary span{transform:rotate(45deg)}
#about-pack .company-more p{margin-top:14px;font-size:15px}
#about-pack .video-trigger{position:relative;display:block;width:100%;aspect-ratio:16/10;border:0;background:#142033;padding:0;border-radius:9px;overflow:hidden;text-align:left;color:white}
#about-pack .video-trigger>img{width:100%;height:100%;object-fit:cover;object-position:center}
#about-pack .video-trigger::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.16),transparent 42%,rgba(7,17,34,.82));pointer-events:none}
#about-pack .video-tag{position:absolute;left:24px;top:22px;border:1px solid #ffffff85;padding:2px 12px;font-size:12px;z-index:1}
#about-pack .play-control{position:absolute;inset:0;margin:auto;width:66px;height:66px;border-radius:50%;display:grid;place-items:center;border:1px solid #ffffff9c;background:rgba(255,255,255,.17);backdrop-filter:blur(4px);z-index:1;transition:background .2s,transform .2s}
#about-pack .play-control svg{width:26px;height:26px;margin-left:2px}
#about-pack .video-trigger:hover .play-control{background:var(--blue);transform:scale(1.07)}
#about-pack .video-caption{position:absolute;left:24px;right:24px;bottom:23px;z-index:1;display:flex;justify-content:space-between;gap:20px;align-items:baseline}
#about-pack .video-caption strong{font-size:24px;letter-spacing:.02em}
#about-pack .video-caption>span{font-size:12px;color:#e3e8f1}
#about-pack .company-film>figcaption{font-size:13px;color:var(--muted);margin-top:12px}
#about-pack .company-layout+.stats{margin-top:44px}
#about-pack .stat strong{font-size:41px}
#about-pack .project-list{display:grid;grid-template-columns:1fr 1fr;column-gap:42px}
#about-pack .project-list li{display:block;padding:17px 0}
#about-pack .project-list p{margin-top:6px}
#about-pack .factory-gallery{grid-template-columns:repeat(3,1fr);gap:20px}
#about-pack .factory-photo{aspect-ratio:1017/572}
#about-pack .factory-photo img{object-fit:contain}
#about-pack .factory-gallery figcaption{color:var(--ink);font-size:15px;margin-top:13px}
#about-pack .tabs{margin-bottom:30px}
#about-pack .image-led-panel{display:flex;flex-direction:column;align-items:stretch;gap:24px;min-height:0}
#about-pack .image-led-panel[hidden]{display:none}
#about-pack .cert-gallery{width:100%;gap:22px}
#about-pack .cert-tile{padding:20px 22px 21px;border-radius:10px;background:white;transition:border-color .2s}
#about-pack .cert-tile:hover{border-color:#8da6df}
#about-pack .cert-tile>button{position:relative;min-width:0}
#about-pack .cert-image{width:100%;height:340px;object-fit:contain;object-position:center}
#about-pack .cert-tile figcaption{font-size:16px;text-align:left;margin-top:19px;border-top:1px solid #edf0f5;padding-top:15px;font-weight:600}
#about-pack .cert-tile figcaption span{font-size:12px;font-weight:400;margin-top:5px}
#about-pack .zoom-hint{position:absolute;bottom:0;right:0;background:var(--pale);color:var(--blue);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;font-size:18px;line-height:1}
#about-pack .patents-gallery{grid-template-columns:repeat(4,1fr);gap:18px}
#about-pack .patents-gallery .cert-tile{padding:16px}
#about-pack .patents-gallery .cert-image{height:278px}
#about-pack .patents-gallery figcaption{font-size:14px}
#about-pack .honors-gallery .cert-image{height:248px}
#about-pack .testing-gallery{display:grid;grid-template-columns:1.18fr 1fr;gap:24px}
#about-pack .testing-gallery .testing-photo{height:330px;max-height:none;background:#e7ebf0}
#about-pack .testing-gallery .testing-photo img{width:100%;height:100%;object-fit:cover}
#about-pack .image-led-panel>.credential-copy{border-top:1px solid var(--line);padding-top:24px;display:grid;grid-template-columns:260px 1fr;gap:8px 34px}
#about-pack .image-led-panel>.credential-copy h3{grid-row:1/3;margin:0;font-size:21px}
#about-pack .image-led-panel>.credential-copy p{font-size:15px;line-height:1.9;margin:0}
#about-pack .image-led-panel>.credential-copy .certificate-note{grid-column:2;font-size:13px}
#about-pack .credential-details{border-top:1px solid var(--line)}
#about-pack .credential-details>summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:15px 0;color:var(--blue);font-size:14px;font-weight:600}
#about-pack .credential-details>summary::-webkit-details-marker{display:none}
#about-pack .credential-details>summary::after{content:'+';font-size:20px;font-weight:400}
#about-pack .credential-details[open]>summary::after{content:'−'}
#about-pack .credential-details .credential-copy{padding:8px 0 14px;max-width:1060px}
#about-pack .credential-details .credential-copy h3{font-size:20px;margin-bottom:10px}
#about-pack .credential-details .credential-copy p{font-size:15px}
#about-pack .credential-details .patent-list{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
#about-pack .credential-details .patent-item{background:transparent;padding:0;border:0}
#about-pack .credential-details .honor-grid{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:20px}
#about-pack .credential-details .honor-item{background:transparent;border:0;padding:0}
#about-pack .credential-details .honor-item strong{font-size:14px}
#about-pack .credential-details .honor-item span{font-size:12px}
#about-pack .archive-note{margin-top:20px;font-size:12px;line-height:1.8}
#about-pack .cert-assistance{margin-top:20px}
#about-pack .video-dialog{width:min(1000px,calc(100% - 30px));background:#fff}
#about-pack .video-dialog .dialog-header{padding:18px 24px;align-items:center}
#about-pack .video-dialog .eyebrow{font-size:11px;margin-bottom:2px}
#about-pack .video-dialog .dialog-header h2{font-size:20px}
#about-pack .video-dialog video{display:block;width:100%;max-height:65vh;background:#000;aspect-ratio:16/9}
#about-pack .video-foot{padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px}
#about-pack .video-foot p{font-size:13px}
#about-pack .video-foot a{white-space:nowrap}
@media(max-width:1100px){
 #about-pack .hero-layout{gap:35px;grid-template-columns:1.06fr 1fr}#about-pack .hero h1{font-size:43px}#about-pack .hero-visual>img{height:340px}#about-pack .hero-actions{gap:20px}#about-pack .hero-actions .btn{padding:11px 18px}
 #about-pack .company-layout{gap:34px}#about-pack .company-text h2{font-size:28px}#about-pack .cert-image{height:300px}#about-pack .patents-gallery .cert-image{height:236px}
}
@media(max-width:800px){
 #about-pack .hero{padding:24px 0 32px}#about-pack .hero .breadcrumb{margin-bottom:24px}#about-pack .hero-layout{grid-template-columns:1fr;gap:29px}#about-pack .hero h1{font-size:38px;line-height:1.3;letter-spacing:-.02em}#about-pack .hero h1 br{display:none}#about-pack .hero-copy>p:not(.eyebrow){font-size:15px;line-height:1.9}#about-pack .hero-actions{margin-top:23px;gap:22px}#about-pack .hero-text-link{font-size:13px}#about-pack .hero-visual>img{height:auto;aspect-ratio:2.05;object-fit:cover}#about-pack .hero-visual figcaption{margin-top:9px;font-size:11px}
 #about-pack .company-layout{grid-template-columns:1fr;gap:27px}#about-pack .company-text h2{max-width:none;font-size:27px}#about-pack .company-text .intro-copy{font-size:15px}#about-pack .company-text .section-head{margin-bottom:16px}#about-pack .company-more{margin-top:14px}#about-pack .video-trigger{aspect-ratio:16/9}#about-pack .video-tag{left:18px;top:16px}#about-pack .video-caption{left:18px;right:18px;bottom:16px}#about-pack .video-caption strong{font-size:21px}#about-pack .video-caption>span{font-size:11px}#about-pack .play-control{width:54px;height:54px}#about-pack .company-film>figcaption{font-size:12px;margin-top:9px}#about-pack .company-layout+.stats{margin-top:31px}#about-pack .stat strong{font-size:35px}#about-pack .project-list{grid-template-columns:1fr;gap:0}
 #about-pack .factory-gallery{gap:16px}#about-pack .factory-gallery figcaption{font-size:14px;margin-top:9px}#about-pack .cert-gallery{gap:16px}#about-pack .cert-tile{padding:15px}#about-pack .cert-image{height:240px}#about-pack .cert-tile figcaption{font-size:14px;margin-top:14px;padding-top:12px}#about-pack .cert-tile figcaption span{font-size:11px}#about-pack .patents-gallery{grid-template-columns:repeat(2,1fr)}#about-pack .patents-gallery .cert-image{height:250px}#about-pack .honors-gallery .cert-image{height:200px}#about-pack .testing-gallery{gap:18px}#about-pack .testing-gallery .testing-photo{height:240px}
 #about-pack .image-led-panel>.credential-copy{grid-template-columns:1fr;gap:10px;padding-top:20px}#about-pack .image-led-panel>.credential-copy h3{grid-row:auto;font-size:20px}#about-pack .image-led-panel>.credential-copy .certificate-note{grid-column:auto}#about-pack .credential-details .patent-list{grid-template-columns:1fr;gap:15px}#about-pack .archive-note{font-size:12px}#about-pack .video-foot{display:block;padding:12px 18px}#about-pack .video-foot a{display:inline-block;margin-top:4px}#about-pack .video-dialog .dialog-header{padding:15px 18px}
}
@media(max-width:600px){
 #about-pack .hero h1 br{display:block}
 #about-pack .hero h1{max-width:350px;font-size:36px;text-wrap:initial}#about-pack .hero-visual>img{aspect-ratio:1.9}#about-pack .company-text h2{text-wrap:initial}#about-pack .factory-gallery{grid-template-columns:1fr}#about-pack .factory-photo{aspect-ratio:1017/572}
 #about-pack .cert-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}#about-pack .cert-tile{padding:11px}#about-pack .cert-image{height:206px}#about-pack .cert-tile figcaption{font-size:13px}#about-pack .cert-tile figcaption span{font-size:11px;line-height:1.65}#about-pack .cert-tile:last-child{display:block}#about-pack .zoom-hint{width:26px;height:26px;font-size:16px}#about-pack .patents-gallery .cert-image{height:206px}#about-pack .patents-gallery .cert-tile{padding:11px}#about-pack .honors-gallery{grid-template-columns:1fr}#about-pack .honors-gallery .cert-image{height:220px}#about-pack .honors-gallery .cert-tile{padding:20px}#about-pack .honors-gallery figcaption{font-size:15px}#about-pack .testing-gallery{grid-template-columns:1fr;gap:22px}#about-pack .testing-gallery .testing-photo{height:auto;aspect-ratio:1.55}
}
@media(max-width:380px){#about-pack .hero h1{font-size:32px}#about-pack .hero-actions{gap:16px}#about-pack .hero-actions .btn{padding:10px 16px}#about-pack .hero-text-link{font-size:12px}#about-pack .cert-image,#about-pack .patents-gallery .cert-image{height:180px}#about-pack .cert-tile figcaption{font-size:12px}}