*,::before,::after{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x:;--tw-pan-y:;--tw-pinch-zoom:;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position:;--tw-gradient-via-position:;--tw-gradient-to-position:;--tw-ordinal:;--tw-slashed-zero:;--tw-numeric-figure:;--tw-numeric-spacing:;--tw-numeric-fraction:;--tw-ring-inset:;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246 / 0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur:;--tw-brightness:;--tw-contrast:;--tw-grayscale:;--tw-hue-rotate:;--tw-invert:;--tw-saturate:;--tw-sepia:;--tw-drop-shadow:;--tw-backdrop-blur:;--tw-backdrop-brightness:;--tw-backdrop-contrast:;--tw-backdrop-grayscale:;--tw-backdrop-hue-rotate:;--tw-backdrop-invert:;--tw-backdrop-opacity:;--tw-backdrop-saturate:;--tw-backdrop-sepia:;--tw-contain-size:;--tw-contain-layout:;--tw-contain-paint:;--tw-contain-style:}::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x:;--tw-pan-y:;--tw-pinch-zoom:;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position:;--tw-gradient-via-position:;--tw-gradient-to-position:;--tw-ordinal:;--tw-slashed-zero:;--tw-numeric-figure:;--tw-numeric-spacing:;--tw-numeric-fraction:;--tw-ring-inset:;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246 / 0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur:;--tw-brightness:;--tw-contrast:;--tw-grayscale:;--tw-hue-rotate:;--tw-invert:;--tw-saturate:;--tw-sepia:;--tw-drop-shadow:;--tw-backdrop-blur:;--tw-backdrop-brightness:;--tw-backdrop-contrast:;--tw-backdrop-grayscale:;--tw-backdrop-hue-rotate:;--tw-backdrop-invert:;--tw-backdrop-opacity:;--tw-backdrop-saturate:;--tw-backdrop-sepia:;--tw-contain-size:;--tw-contain-layout:;--tw-contain-paint:;--tw-contain-style:}*,::before,::after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}::before,::after{--tw-content:''}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:#fff0}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type='button']),input:where([type='reset']),input:where([type='submit']){-webkit-appearance:button;background-color:#fff0;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type='search']{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role="button"]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden="until-found"])){display:none}.invisible{visibility:hidden}.relative{position:relative}.z-10{z-index:10}.mx-auto{margin-left:auto;margin-right:auto}.hidden{display:none}.h-4{height:1rem}.h-6{height:1.5rem}.w-4{width:1rem}.w-6{width:1.5rem}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.opacity-0{opacity:0}.transition-transform{transition-property:transform;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:150ms}.duration-300{transition-duration:300ms}.group:hover .group-hover\:rotate-180{--tw-rotate:180deg;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.group:hover .group-hover\:scale-110{--tw-scale-x:1.1;--tw-scale-y:1.1;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.yjc-custom{color:#172b40;background:#fff;font-family:Arial,Helvetica,sans-serif}.yjc-custom,.yjc-custom *{box-sizing:border-box}.yjc-custom a{color:inherit}.yjc-custom a:focus-visible,.yjc-custom summary:focus-visible{outline:3px solid #2563eb;outline-offset:5px}.yjc-custom ul{list-style:disc}.yjc-custom summary{display:list-item}.yjc-custom h1,.yjc-custom h2,.yjc-custom h3{font-weight:700}.yjc-custom .wrap{max-width:1180px;margin:auto;padding-left:32px;padding-right:32px}.yjc-custom .hero-banner{width:100%;background:#e4e5e7;overflow:hidden}.yjc-custom .hero-banner>img{display:block;width:100%;height:auto;aspect-ratio:3/1;object-fit:contain}.yjc-custom .hero{background:#fff;padding:56px 0 48px;border-bottom:1px solid #e3eaf2}.yjc-custom .eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:#245ab0;margin:0 0 20px;line-height:1.5}.yjc-custom h1{font-size:clamp(36px,4.5vw,60px);line-height:1.08;letter-spacing:-2px;max-width:950px;margin:0 0 28px}.yjc-custom h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.8px;margin:0 0 20px;max-width:800px}.yjc-custom h3{font-size:21px;line-height:1.3;margin:14px 0}.yjc-custom p,.yjc-custom li{font-size:16px;line-height:1.75;color:#4b5d6e}.yjc-custom .lead{max-width:820px;font-size:19px;margin:0 0 30px}.yjc-custom .actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.yjc-custom .button{display:inline-flex;align-items:center;gap:30px;padding:17px 22px;background:#205bc2;color:#fff;border-radius:5px;text-decoration:none;font-size:15px;font-weight:700;line-height:1.4}.yjc-custom .button:hover{background:#17499d}.yjc-custom .text-link{font-size:15px;font-weight:700;text-underline-offset:5px}.yjc-custom .section{padding-top:72px;padding-bottom:72px}.yjc-custom .intro{max-width:800px;margin-bottom:34px}.yjc-custom .options{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.yjc-custom .options article{border-top:2px solid #c8d8eb;padding-top:22px}.yjc-custom .number{font-size:11px;color:#315e95;font-weight:700;letter-spacing:1.3px}.yjc-custom .detail{font-size:13px;color:#60718a;border-top:1px solid #e6ecf4;padding-top:12px}.yjc-custom .band{background:#f5f7fa;padding:64px 0}.yjc-custom .split{display:grid;grid-template-columns:1fr 1fr;gap:64px}.yjc-custom .brief{border-left:3px solid #205bc2;padding-left:30px}.yjc-custom .brief h3{margin-top:0}.yjc-custom ul{padding-left:20px}.yjc-custom li{padding:3px 0}.yjc-custom .brief p{font-size:14px}.yjc-custom .range-links{display:grid;grid-template-columns:1fr 1fr;gap:20px}.yjc-custom .range-links a{border:1px solid #d6e0ec;border-radius:5px;padding:22px;text-decoration:none;display:flex;justify-content:space-between;gap:20px;font-weight:700;line-height:1.5}.yjc-custom .range-links a:hover{background:#eef4fa}.yjc-custom .context a{color:#205bc2;text-underline-offset:4px}.yjc-custom .faq{padding-top:0}.yjc-custom details{border-bottom:1px solid #dce4ed;padding:20px 0}.yjc-custom summary{font-size:17px;font-weight:700;cursor:pointer;line-height:1.5}.yjc-custom details p{max-width:870px;margin-bottom:0}.yjc-custom .closing{padding:64px 0 70px;background:#142e4a}.yjc-custom .closing h2,.yjc-custom .closing .text-link{color:#fff}.yjc-custom .closing p{color:#c4d4e5}.yjc-custom .closing .eyebrow{color:#9dc6ff}@media(max-width:850px){.yjc-custom .options{grid-template-columns:repeat(2,1fr)}.yjc-custom .split{gap:30px}}@media(max-width:600px){.yjc-custom .wrap{padding-left:20px;padding-right:20px}.yjc-custom .hero{padding:36px 0 40px}.yjc-custom h1{letter-spacing:-1px}.yjc-custom .lead{font-size:17px}.yjc-custom .section{padding-top:48px;padding-bottom:48px}.yjc-custom .options,.yjc-custom .split,.yjc-custom .range-links{grid-template-columns:1fr}.yjc-custom .options{gap:24px}.yjc-custom .band{padding:44px 0}.yjc-custom .brief{padding-left:20px}.yjc-custom .faq{padding-top:0}.yjc-custom .actions{gap:22px}.yjc-custom .button{max-width:100%}.yjc-custom .closing{padding:48px 0}}</p><p>.yjc-custom .qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px;row-gap:32px;margin-top:32px}.yjc-custom .qa-entry{min-width:0;border-top:1px solid #d6e0ec;padding-top:22px}.yjc-custom .qa-entry h3{font-size:20px;line-height:1.4;margin:0 0 14px}.yjc-custom .qa-entry p{margin:0;font-size:16px;line-height:1.75}@media(max-width:700px){.yjc-custom .qa-grid{grid-template-columns:1fr;gap:24px}.yjc-custom .qa-entry{padding-top:20px}}.yjc-custom .project-examples{padding-top:0}.yjc-custom .project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.yjc-custom .project-card{min-width:0;overflow:hidden;border:1px solid #e3eaf2;border-radius:12px;background:#fff}.yjc-custom .project-card img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.yjc-custom .project-copy{padding:22px}.yjc-custom .project-copy h3{margin:0 0 12px;font-size:21px}.yjc-custom .project-copy p{margin:0;font-size:15px;line-height:1.7}.yjc-custom .project-more{display:flex;justify-content:center;margin:36px 0 0}.yjc-custom .project-more .project-cta{justify-content:center;min-width:280px;max-width:100%;min-height:56px;padding:16px 30px;gap:14px;border-radius:10px;font-size:16px;line-height:1.4;text-align:center;box-shadow:0 5px 16px rgb(32 91 194 / .16);transition:background-color .18s ease,box-shadow .18s ease}.yjc-custom .project-more .project-cta:hover{box-shadow:0 6px 20px rgb(32 91 194 / .24)}.yjc-custom .project-cta svg{display:block;width:20px;height:20px;flex:none}[dir="rtl"] .yjc-custom .project-cta svg,.yjc-custom[dir="rtl"] .project-cta svg{transform:scaleX(-1)}@media(max-width:600px){.yjc-custom .project-more{margin-top:28px}.yjc-custom .project-more .project-cta{width:100%;min-width:0;max-width:420px;padding:16px 20px}}@media(max-width:850px){.yjc-custom .project-grid{grid-template-columns:1fr}.yjc-custom .project-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.yjc-custom .project-card img{height:auto;min-height:0}}@media(max-width:600px){.yjc-custom .project-card{display:block}.yjc-custom .project-card img{height:auto;min-height:0}.yjc-custom .project-copy{padding:20px}}.yjc-custom .trust{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:28px;padding-top:24px;border-top:1px solid #e3eaf2}.yjc-custom .trust span{font-size:14px;color:#315e95;line-height:1.5}.yjc-custom .process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;list-style:none;padding:0;counter-reset:step}.yjc-custom .process li{counter-increment:step;border-top:2px solid #c8d8eb;padding-top:18px}.yjc-custom .process li:before{content:counter(step,decimal-leading-zero);display:block;color:#205bc2;font-size:24px;margin-bottom:12px}.yjc-custom .process strong{display:block;color:#172b40;margin-bottom:8px}.yjc-custom .factory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}.yjc-custom figure{margin:0}.yjc-custom .factory-grid figure{margin:0;min-width:0}.yjc-custom .factory-grid img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;object-position:50% 45%;background:#f5f7fa;border-radius:10px}.yjc-custom .factory-grid figure:nth-child(1) img{object-position:50% 46%}.yjc-custom .factory-grid figure:nth-child(2) img{object-position:50% 50%}.yjc-custom .factory-grid figure:nth-child(3) img{object-position:60% 50%}.yjc-custom .factory-grid figure:nth-child(4) img{object-position:50% 46%}.yjc-custom figcaption{padding-top:12px;font-size:14px;color:#4b5d6e}.yjc-custom .certs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin-top:28px}.yjc-custom .certs a{display:block;border:1px solid #e3eaf2;border-radius:10px;padding:16px;text-align:center;color:#205bc2}.yjc-custom .certs img{display:block;width:100%;height:auto;aspect-ratio:212/300;object-fit:contain;margin-bottom:12px}.yjc-custom [dir=rtl] .brief{border-left:0;border-inline-start:3px solid #205bc2}.yjc-custom .process p{margin:0}@media(max-width:900px){.yjc-custom .process{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.yjc-custom .process,.yjc-custom .factory-grid{grid-template-columns:1fr}.yjc-custom .factory-grid img{height:auto;max-height:none}}@media(max-width:900px){.yjc-custom .certs{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){.yjc-custom .certs{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.yjc-custom .certs a{padding:12px;font-size:14px}}.yjc-custom .hero-banner{height:620px}.yjc-custom .hero-banner>img{width:100%;height:100%;aspect-ratio:auto;object-fit:contain}@media(min-width:1500px){.yjc-custom .hero-banner{height:670px}}@media(max-width:1199px){.yjc-custom .hero-banner{height:570px}}@media(max-width:1099px){.yjc-custom .hero-banner{height:540px}}@media(max-width:950px){.yjc-custom .hero-banner{height:auto}.yjc-custom .hero-banner>img{height:auto;aspect-ratio:3/1}}.yjc-custom .hero-banner{--oem-banner-height:620px;position:relative}.yjc-custom .hero-banner::before,.yjc-custom .hero-banner::after{content:"";position:absolute;top:0;bottom:0;width:max(0px,calc((100% - var(--oem-banner-height)*2171/724)/2 + 1px));pointer-events:none;background-image:url(https://yjcen.com/wp-content/uploads/2026/10/yjcen-oem-original-hardware-20261026.webp);background-size:300000% 100%;background-repeat:no-repeat}.yjc-custom .hero-banner::before{left:0;background-position:left center}.yjc-custom .hero-banner::after{right:0;background-position:right center}.yjc-custom .hero-banner>img{position:relative;z-index:1}@media(min-width:1500px){.yjc-custom .hero-banner{--oem-banner-height:670px}}@media(max-width:1199px){.yjc-custom .hero-banner{--oem-banner-height:570px}}@media(max-width:1099px){.yjc-custom .hero-banner{--oem-banner-height:540px}}@media(max-width:950px){.yjc-custom .hero-banner::before,.yjc-custom .hero-banner::after{display:none}}