{"id":4027,"date":"2026-08-06T09:45:31","date_gmt":"2026-08-06T09:45:31","guid":{"rendered":"https:\/\/ycpcbs.com\/?page_id=4027"},"modified":"2026-08-10T02:21:30","modified_gmt":"2026-08-10T02:21:30","slug":"multilayer-pcb","status":"publish","type":"page","link":"https:\/\/ycpcbs.com\/it\/multilayer-pcb\/","title":{"rendered":"PCB multistrato"},"content":{"rendered":"<style>\n    :root {\n      --primary: #34C759;\n      --primary-dark: #28a745;\n      --primary-soft: #eaf9ee;\n      --teal: #19b7b8;\n      --ink: #0f172a;\n      --ink-2: #1e293b;\n      --muted: #64748b;\n      --light: #f8fafc;\n      --line: #e2e8f0;\n      --white: #ffffff;\n      --shadow: 0 18px 50px rgba(15, 23, 42, .08);\n      --shadow-light: 0 10px 28px rgba(15, 23, 42, .055);\n      --radius-xl: 28px;\n      --radius-lg: 22px;\n    }\n    * { box-sizing: border-box; margin: 0; padding: 0; }\n    html { scroll-behavior: smooth; overflow-x: hidden; }\n    body {\n      font-family: 'Inter', Arial, Helvetica, sans-serif;\n      color: var(--muted);\n      background: var(--white);\n      line-height: 1.64;\n      font-size: 15px;\n      overflow-x: hidden;\n    }\n    img, video, iframe, table { max-width: 100%; }\n    img { display: block; }\n    a { color: inherit; }\n    section { padding: 78px 0; position: relative; }\n    .container { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }\n    h1, h2, h3, h4, .btn, label, th, .tag, .stat-card strong { font-family: 'Inter', Arial, Helvetica, sans-serif; }\n    h1, h2, h3, h4 { color: var(--ink); line-height: 1.12; letter-spacing: -0.03em; }\n    h1 { font-size: clamp(32px, 4.2vw, 52px); font-weight: 800; }\n    h2 { font-size: clamp(24px, 2.7vw, 36px); font-weight: 800; }\n    h3 { font-size: 19px; font-weight: 750; }\n    h4 { font-size: 16px; font-weight: 750; }\n    p { margin: 0; }\n    strong { font-weight: 750; color: var(--ink); }\n\n    .eyebrow {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      padding: 7px 14px;\n      border: 1px solid rgba(52, 199, 89, 0.24);\n      border-radius: 999px;\n      background: var(--primary-soft);\n      color: var(--primary-dark);\n      font-size: 11px;\n      font-weight: 800;\n      line-height: 1;\n      letter-spacing: .10em;\n      text-transform: uppercase;\n      margin-bottom: 16px;\n    }\n    .eyebrow::before {\n      content: \"\";\n      width: 7px;\n      height: 7px;\n      border-radius: 999px;\n      background: var(--primary);\n      box-shadow: 0 0 0 5px rgba(52, 199, 89, 0.15);\n    }\n    .section-head {\n      display: grid;\n      grid-template-columns: minmax(0, 1fr) minmax(280px, .86fr);\n      gap: 32px;\n      align-items: end;\n      margin-bottom: 34px;\n    }\n    .section-head p { max-width: 760px; font-size: 15px; color: var(--muted); }\n    .center-head { text-align: center; max-width: 860px; margin: 0 auto 38px; }\n    .center-head p { margin-top: 14px; color: var(--muted); }\n    .btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }\n    .btn {\n      min-height: 50px;\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      padding: 14px 24px;\n      border-radius: 999px;\n      text-decoration: none;\n      font-size: 14px;\n      font-weight: 800;\n      transition: .25s ease;\n      border: 1px solid transparent;\n    }\n    .btn-primary { background: var(--primary); color: white; box-shadow: 0 14px 32px rgba(52,199,89,.26); }\n    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }\n    .btn-secondary { background: white; color: var(--ink); border-color: var(--line); box-shadow: 0 12px 28px rgba(15,23,42,.05); }\n    .btn-secondary:hover { border-color: rgba(52,199,89,.45); transform: translateY(-2px); }\n\n    .image-slot {\n      position: relative;\n      width: 100%;\n      height: 100%;\n      min-height: 150px;\n      border-radius: inherit;\n      overflow: hidden;\n      background:\n        radial-gradient(circle at 24% 20%, rgba(52,199,89,.16), transparent 22%),\n        radial-gradient(circle at 80% 28%, rgba(59,130,246,.10), transparent 24%),\n        linear-gradient(140deg, #f3fbf5 0%, #eff6ff 100%);\n    }\n    .image-slot::before {\n      content: \"\";\n      position: absolute;\n      inset: 0;\n      background:\n        linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);\n      background-size: 28px 28px;\n      opacity: .62;\n    }\n    .image-slot::after {\n      content: \"\";\n      position: absolute;\n      width: 82px;\n      height: 82px;\n      left: 50%;\n      top: 50%;\n      transform: translate(-50%, -50%);\n      border-radius: 20px;\n      background: rgba(255,255,255,.78);\n      border: 1px solid rgba(52,199,89,.25);\n      box-shadow: 0 0 0 15px rgba(52,199,89,.055), 0 12px 28px rgba(15,23,42,.08);\n    }\n    .image-fit {\n      width: 100%;\n      height: 100%;\n      object-fit: contain;\n      padding: 12px;\n      background: #f8fafc;\n    }\n    .image-cover { width: 100%; height: 100%; object-fit: cover; }\n\n    \/* Hero *\/\n    .hero {\n      padding: 46px 0 64px;\n      background:\n        radial-gradient(circle at 14% 12%, rgba(52, 199, 89, 0.14), transparent 30%),\n        radial-gradient(circle at 90% 24%, rgba(56, 189, 248, 0.10), transparent 28%),\n        linear-gradient(180deg, #f8fafc 0%, #ffffff 70%);\n      overflow: hidden;\n    }\n    .hero::before {\n      content: \"\";\n      position: absolute;\n      inset: 0;\n      opacity: .42;\n      background-image:\n        linear-gradient(rgba(15, 23, 42, 0.045) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(15, 23, 42, 0.045) 1px, transparent 1px);\n      background-size: 38px 38px;\n      pointer-events: none;\n    }\n    .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr); gap: 46px; align-items: center; }\n    .hero .lead { max-width: 730px; font-size: 16px; line-height: 1.72; margin: 18px 0 22px; color: #475569; }\n    .config-line { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }\n    .config-chip { padding: 8px 11px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: #334155; font-size: 12px; font-weight: 750; box-shadow: 0 8px 18px rgba(15,23,42,.04); }\n    .mini-checks { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }\n    .mini-check { display: inline-flex; align-items: center; gap: 7px; padding: 9px 13px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: #334155; font-size: 13px; font-weight: 650; box-shadow: 0 9px 18px rgba(15,23,42,.04); }\n    .mini-check b { color: var(--primary-dark); }\n    .hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; }\n    .stat-card { padding: 19px 18px; min-height: 110px; display: flex; flex-direction: column; justify-content: center; border-radius: 22px; background: rgba(255,255,255,.82); border: 1px solid rgba(226,232,240,.95); box-shadow: 0 12px 30px rgba(15,23,42,.055); }\n    .stat-card strong { display: block; color: var(--ink); font-size: clamp(22px, 2.2vw, 30px); line-height: 1.08; letter-spacing: -0.05em; }\n    .stat-card span { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.45; font-weight: 700; }\n    .hero-gallery { display: grid; grid-template-columns: 1.08fr .78fr; gap: 14px; }\n    .hero-main-img, .hero-side-img { border-radius: 28px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }\n    .hero-main-img { min-height: 440px; padding: 16px; }\n    .hero-main-img img { border-radius: 20px; }\n    .hero-side-stack { display: grid; gap: 14px; }\n    .hero-side-img { min-height: 135px; padding: 10px; position: relative; }\n    .hero-side-img img { border-radius: 16px; }\n    .hero-img-label { position: absolute; left: 14px; top: 14px; z-index: 2; padding: 6px 9px; border-radius: 999px; background: rgba(255,255,255,.88); border: 1px solid rgba(226,232,240,.9); color: var(--ink); font-size: 11px; font-weight: 800; box-shadow: 0 8px 18px rgba(15,23,42,.08); }\n\n    \/* Trust *\/\n    .trust-strip { padding: 22px 0; background: #f8fafc; }\n    .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }\n    .trust-item { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); }\n    .trust-item strong { display: block; color: var(--ink); font-size: 19px; margin-bottom: 6px; }\n    .trust-item span { font-size: 13px; color: var(--muted); }\n\n    \/* Product types *\/\n    .product-grid, .type-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }\n    .product-card, .type-card { border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); overflow: hidden; transition: .25s ease; }\n    .product-card:hover, .type-card:hover { transform: translateY(-4px); border-color: rgba(52,199,89,.42); box-shadow: 0 18px 42px rgba(15,23,42,.09); }\n    .product-media, .type-media { height: 170px; background: #f8fafc; border-bottom: 1px solid var(--line); padding: 10px; }\n    .product-media img, .type-media img { border-radius: 16px; }\n    .product-body, .type-body { padding: 18px; }\n    .product-body h3, .type-body h3 { font-size: 17px; margin-bottom: 8px; }\n    .product-body p, .type-body p { font-size: 13px; line-height: 1.6; color: var(--muted); }\n    .meta-list { margin-top: 12px; display: grid; gap: 6px; font-size: 12px; color: #475569; }\n    .tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }\n    .tag { padding: 6px 9px; border-radius: 999px; background: #f1f5f9; border: 1px solid var(--line); color: #334155; font-size: 11px; font-weight: 800; }\n\n    \/* Options *\/\n    .soft-section { background: #f8fafc; }\n    .option-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; align-items: stretch; }\n    .color-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }\n    .color-card, .finish-card { padding: 18px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); }\n    .color-sample { height: 76px; border-radius: 16px; margin-bottom: 12px; border: 1px solid rgba(15,23,42,.08); }\n    .green { background: #1f8f4c; } .black { background: #111827; } .blue { background: #1d4ed8; } .white { background: #f8fafc; } .red { background: #dc2626; } .yellow { background: #f59e0b; }\n    .color-card h3, .finish-card h3 { font-size: 15px; margin-bottom: 5px; }\n    .color-card p, .finish-card p { font-size: 12px; color: var(--muted); }\n    .finish-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }\n    .finish-card { min-height: 138px; }\n    .finish-card strong { display: block; margin-bottom: 7px; color: var(--primary-dark); }\n\n    \/* Tables *\/\n    .capability-tabs { display: grid; gap: 24px; }\n    .table-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }\n    .table-title { padding: 22px 24px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; background: #fff; }\n    .table-title h3 { margin: 0; font-size: 20px; }\n    .table-title span { color: var(--muted); font-size: 13px; }\n    .table-scroll { overflow-x: auto; }\n    table { width: 100%; min-width: 980px; border-collapse: collapse; font-size: 14px; }\n    th, td { text-align: left; padding: 15px 17px; border-bottom: 1px solid var(--line); vertical-align: top; }\n    th { background: #eefaf1; color: var(--ink); font-weight: 800; font-size: 13px; }\n    td:first-child { color: var(--ink); font-weight: 750; }\n    tr:last-child td { border-bottom: none; }\n    .table-note { padding: 16px 20px; background: #f8fafc; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }\n    .document-row { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; margin-top: 22px; }\n    .document-preview { min-height: 260px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); padding: 14px; }\n    .document-preview .image-slot { min-height: 230px; border: 1px dashed rgba(15,23,42,.12); }\n\n    \/* Process *\/\n    .process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }\n    .process-card { padding: 18px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); position: relative; }\n    .process-num { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; background: var(--primary-soft); color: var(--primary-dark); font-weight: 850; margin-bottom: 12px; }\n    .process-card h3 { font-size: 15px; margin-bottom: 7px; }\n    .process-card p { font-size: 12px; line-height: 1.55; color: var(--muted); }\n\n    \/* QC *\/\n    .qc-timeline { display: grid; grid-template-columns: repeat(7, 1fr); gap: 14px; }\n    .qc-card { padding: 18px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); }\n    .qc-icon { height: 74px; border-radius: 16px; margin-bottom: 13px; overflow: hidden; }\n    .qc-card h3 { font-size: 15px; margin-bottom: 7px; }\n    .qc-card p { font-size: 12px; color: var(--muted); line-height: 1.55; }\n\n    \/* Equipment *\/\n    .equipment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }\n    .equipment-card { border-radius: 24px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); }\n    .equipment-media { height: 180px; background: #f8fafc; }\n    .equipment-body { padding: 16px 18px; }\n    .equipment-body h3 { font-size: 16px; margin-bottom: 4px; }\n    .equipment-body p { font-size: 12px; color: var(--muted); }\n\n    \/* Applications *\/\n    .app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }\n    .app-card { padding: 24px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); }\n    .app-card h3 { font-size: 18px; margin-bottom: 10px; }\n    .app-card p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }\n    .app-card .recommend { padding: 12px 14px; border-radius: 16px; background: #f8fafc; border: 1px solid var(--line); color: #334155; font-size: 13px; font-weight: 650; }\n\n    \/* Certificates *\/\n    .cert-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }\n    .cert-card { padding: 14px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); text-align: center; }\n    .cert-image { height: 126px; border-radius: 18px; background: #f8fafc; overflow: hidden; margin-bottom: 12px; border: 1px solid var(--line); }\n    .cert-card h3 { font-size: 14px; margin-bottom: 5px; }\n    .cert-card p { font-size: 11px; color: var(--muted); line-height: 1.4; }\n\n    \/* RFQ *\/\n    .order-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }\n    .flow-step { padding: 18px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-light); }\n    .flow-step strong { display: block; color: var(--primary-dark); margin-bottom: 8px; }\n    .flow-step span { font-size: 13px; color: var(--muted); }\n    .rfq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 24px; align-items: start; }\n    .rfq-check-card, .rfq-form-card { border-radius: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 28px; }\n    .rfq-check-list { display: grid; gap: 11px; margin-top: 18px; }\n    .rfq-check-list div { padding: 13px 15px; border-radius: 16px; background: #f8fafc; border: 1px solid var(--line); color: #334155; font-size: 13px; font-weight: 650; }\n    .rfq-check-list b { color: var(--primary-dark); }\n    .form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }\n    .field.full { grid-column: 1 \/ -1; }\n    label { display: block; color: var(--ink); font-size: 13px; font-weight: 750; margin-bottom: 7px; }\n    input, select, textarea { width: 100%; min-height: 50px; border: 1px solid #cbd5e1; border-radius: 14px; padding: 12px 14px; font-family: inherit; font-size: 14px; color: var(--ink); outline: none; transition: .2s ease; }\n    textarea { min-height: 126px; resize: vertical; }\n    input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(52,199,89,.13); }\n    .submit-btn { width: 100%; min-height: 54px; border: none; border-radius: 999px; background: var(--primary); color: #fff; font-size: 15px; font-weight: 850; cursor: pointer; transition: .25s ease; }\n    .submit-btn:hover { background: var(--primary-dark); transform: translateY(-2px); }\n    \n\n    \/* FAQ *\/\n    .faq-wrap { max-width: 940px; margin: 0 auto; display: grid; gap: 12px; }\n    details { border-radius: 20px; border: 1px solid var(--line); background: #fff; box-shadow: 0 10px 24px rgba(15,23,42,.045); overflow: hidden; }\n    summary { list-style: none; cursor: pointer; padding: 18px 22px; color: var(--ink); font-weight: 800; display: flex; justify-content: space-between; gap: 18px; }\n    summary::-webkit-details-marker { display: none; }\n    summary::after { content: \"+\"; color: var(--primary-dark); font-size: 20px; line-height: 1; }\n    details[open] summary::after { content: \"\u2212\"; }\n    .detail-text { padding: 0 22px 20px; color: var(--muted); font-size: 14px; }\n\n    .final-cta { background: linear-gradient(135deg, #ecfdf3 0%, #f8fafc 100%); text-align: center; }\n    .final-cta p { max-width: 720px; margin: 14px auto 26px; color: var(--muted); }\n\n    \/* Popup *\/\n    \n    \n    \n    \n    \n    \n    \n    \n\n    @media (max-width: 1180px) {\n      .product-grid, .type-grid, .cert-grid { grid-template-columns: repeat(3, 1fr); }\n      .process-grid { grid-template-columns: repeat(3, 1fr); }\n      .qc-timeline { grid-template-columns: repeat(4, 1fr); }\n    }\n    @media (max-width: 980px) {\n      section { padding: 56px 0; }\n      .container { width: min(100% - 32px, 1280px); }\n      .hero-grid, .section-head, .option-layout, .document-row, .rfq-layout { grid-template-columns: 1fr; }\n      .hero-gallery { grid-template-columns: 1fr; }\n      .hero-side-stack { grid-template-columns: repeat(3, 1fr); }\n      .hero-main-img { min-height: 320px; }\n      .hero-side-img { min-height: 120px; }\n      .hero-stats, .trust-grid, .equipment-grid, .app-grid, .order-flow { grid-template-columns: repeat(2, 1fr); }\n      .product-grid, .type-grid, .cert-grid, .process-grid, .qc-timeline { grid-template-columns: repeat(2, 1fr); }\n    }\n    @media (max-width: 640px) {\n      h1 { font-size: 30px; }\n      h2 { font-size: 25px; }\n      .hero-stats, .trust-grid, .product-grid, .type-grid, .color-grid, .finish-grid, .process-grid, .qc-timeline, .equipment-grid, .app-grid, .cert-grid, .order-flow, .form-grid, .hero-side-stack { grid-template-columns: 1fr; }\n      .btn { width: 100%; }\n      .hero-side-img { min-height: 160px; }\n      \n    }\n  \n\n    \/* ===== v8: customer-friendly image document cards for capability charts ===== *\/\n    .capability-document-section {\n      background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);\n    }\n    .capability-summary-grid {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 16px;\n      margin-bottom: 28px;\n    }\n    .capability-summary-card {\n      padding: 22px;\n      border-radius: 22px;\n      background: #ffffff;\n      border: 1px solid #e2e8f0;\n      box-shadow: 0 12px 28px rgba(15,23,42,.045);\n    }\n    .capability-summary-card strong {\n      display: block;\n      color: var(--ink);\n      font-size: 19px;\n      font-weight: 800;\n      margin-bottom: 6px;\n    }\n    .capability-summary-card span {\n      display: block;\n      color: #64748b;\n      font-size: 13px;\n      line-height: 1.5;\n    }\n    .document-grid {\n      display: grid;\n      grid-template-columns: repeat(2, 1fr);\n      gap: 22px;\n    }\n    .document-card {\n      display: block;\n      text-decoration: none;\n      color: inherit;\n      background: #ffffff;\n      border: 1px solid #e2e8f0;\n      border-radius: 26px;\n      overflow: hidden;\n      box-shadow: var(--shadow-light);\n      transition: .24s ease;\n    }\n    .document-card:hover {\n      transform: translateY(-4px);\n      border-color: rgba(52,199,89,.36);\n      box-shadow: 0 22px 50px rgba(15,23,42,.10);\n    }\n    .document-image-wrap {\n      padding: 18px;\n      background: #f8fafc;\n      border-bottom: 1px solid #e2e8f0;\n    }\n    .document-image-wrap img {\n      width: 100%;\n      aspect-ratio: 16 \/ 10;\n      object-fit: contain;\n      border-radius: 18px;\n      background: #ffffff;\n      border: 1px solid #e2e8f0;\n    }\n    .document-body {\n      padding: 22px 24px 24px;\n    }\n    .document-body h3 {\n      font-size: 19px;\n      margin-bottom: 8px;\n      color: var(--ink);\n    }\n    .document-body p {\n      color: #64748b;\n      font-size: 14px;\n      line-height: 1.62;\n      margin-bottom: 14px;\n    }\n    .open-doc-link {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      color: var(--primary-dark);\n      font-weight: 800;\n      font-size: 14px;\n    }\n    .doc-note-box {\n      margin-top: 22px;\n      padding: 18px 20px;\n      border-radius: 20px;\n      background: #ffffff;\n      border: 1px solid #e2e8f0;\n      color: #64748b;\n      font-size: 14px;\n      line-height: 1.62;\n    }\n    .doc-note-box strong { color: var(--ink); }\n    @media (max-width: 980px) {\n      .capability-summary-grid,\n      .document-grid { grid-template-columns: 1fr; }\n    }\n\n\n    \/* ===== v9: clean visual modules for process, solder mask and parameter images ===== *\/\n    .clean-img-placeholder {\n      position: relative;\n      width: 100%;\n      height: 100%;\n      min-height: 180px;\n      border-radius: inherit;\n      overflow: hidden;\n      border: 1px dashed rgba(15, 23, 42, .16);\n      background:\n        radial-gradient(circle at 24% 22%, rgba(52,199,89,.13), transparent 24%),\n        radial-gradient(circle at 82% 20%, rgba(25,183,184,.10), transparent 26%),\n        linear-gradient(135deg, #ffffff 0%, #f4fbf7 48%, #f8fafc 100%);\n    }\n    .clean-img-placeholder::before {\n      content: \"\";\n      position: absolute;\n      inset: 0;\n      opacity: .72;\n      background-image:\n        linear-gradient(rgba(15,23,42,.04) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(15,23,42,.04) 1px, transparent 1px);\n      background-size: 30px 30px;\n    }\n    .clean-img-placeholder::after {\n      content: \"\";\n      position: absolute;\n      left: 50%;\n      top: 50%;\n      width: 76px;\n      height: 76px;\n      transform: translate(-50%, -50%);\n      border-radius: 22px;\n      background: rgba(255,255,255,.86);\n      border: 1px solid rgba(52,199,89,.24);\n      box-shadow: 0 0 0 14px rgba(52,199,89,.055), 0 14px 32px rgba(15,23,42,.08);\n    }\n    .visual-card img,\n    .mask-card img,\n    .parameter-card img {\n      width: 100%;\n      height: 100%;\n      object-fit: contain;\n      background: #fff;\n      border-radius: inherit;\n      display: block;\n    }\n\n    .visual-process-section { background: #ffffff; }\n    .process-visual-grid {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 20px;\n    }\n    .visual-card {\n      overflow: hidden;\n      border-radius: 26px;\n      background: #fff;\n      border: 1px solid var(--line);\n      box-shadow: var(--shadow-light);\n      transition: .24s ease;\n    }\n    .visual-card:hover {\n      transform: translateY(-4px);\n      border-color: rgba(52,199,89,.38);\n      box-shadow: 0 20px 48px rgba(15,23,42,.09);\n    }\n    .visual-card-media {\n      height: 220px;\n      padding: 14px;\n      background: #f8fafc;\n      border-bottom: 1px solid var(--line);\n    }\n    .visual-card-media .clean-img-placeholder { min-height: 100%; border-radius: 20px; }\n    .visual-card-body { padding: 20px 22px 22px; }\n    .visual-card-body h3 { font-size: 18px; margin-bottom: 8px; }\n    .visual-card-body p { font-size: 13px; line-height: 1.62; color: var(--muted); }\n    .process-mini-row {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 14px;\n      margin-top: 22px;\n    }\n    .process-mini {\n      display: flex;\n      align-items: center;\n      gap: 12px;\n      padding: 16px 18px;\n      border-radius: 20px;\n      background: #f8fafc;\n      border: 1px solid var(--line);\n    }\n    .process-mini b {\n      width: 34px;\n      height: 34px;\n      flex: 0 0 34px;\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      border-radius: 999px;\n      background: var(--primary-soft);\n      color: var(--primary-dark);\n      font-weight: 850;\n    }\n    .process-mini span { color: var(--ink); font-size: 13px; font-weight: 750; }\n\n    .solder-mask-visual-section { background: #f8fafc; }\n    .mask-visual-grid {\n      display: grid;\n      grid-template-columns: repeat(6, 1fr);\n      gap: 16px;\n    }\n    .mask-card {\n      overflow: hidden;\n      border-radius: 24px;\n      background: #fff;\n      border: 1px solid var(--line);\n      box-shadow: var(--shadow-light);\n      text-align: center;\n      transition: .24s ease;\n    }\n    .mask-card:hover {\n      transform: translateY(-4px);\n      border-color: rgba(52,199,89,.36);\n    }\n    .mask-media {\n      height: 150px;\n      padding: 12px;\n      background: #ffffff;\n      border-bottom: 1px solid var(--line);\n    }\n    .mask-media .clean-img-placeholder { min-height: 100%; border-radius: 18px; }\n    .mask-body {\n      padding: 15px 12px 16px;\n    }\n    .mask-dot {\n      width: 12px;\n      height: 12px;\n      display: inline-block;\n      border-radius: 999px;\n      margin-right: 7px;\n      vertical-align: middle;\n      border: 1px solid rgba(15,23,42,.10);\n    }\n    .mask-body h3 { font-size: 15px; letter-spacing: -.01em; }\n    .dot-green { background:#1f8f4c; } .dot-black { background:#111827; } .dot-blue { background:#1d4ed8; }\n    .dot-white { background:#ffffff; } .dot-red { background:#dc2626; } .dot-yellow { background:#f59e0b; }\n    .mask-note {\n      margin-top: 18px;\n      padding: 16px 18px;\n      border-radius: 18px;\n      background: #fff;\n      border: 1px solid var(--line);\n      color: var(--muted);\n      font-size: 13px;\n    }\n\n    .parameter-clean-section { background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%); }\n    .parameter-grid {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 18px;\n    }\n    .parameter-card {\n      overflow: hidden;\n      border-radius: 26px;\n      background: #fff;\n      border: 1px solid var(--line);\n      box-shadow: var(--shadow-light);\n    }\n    .parameter-media {\n      height: 230px;\n      padding: 14px;\n      background: #f8fafc;\n      border-bottom: 1px solid var(--line);\n    }\n    .parameter-media .clean-img-placeholder { min-height: 100%; border-radius: 20px; }\n    .parameter-body { padding: 18px 20px 20px; }\n    .parameter-body h3 { font-size: 17px; margin-bottom: 7px; }\n    .parameter-body p { font-size: 13px; line-height: 1.58; color: var(--muted); }\n    .parameter-alt-list {\n      display: grid;\n      gap: 22px;\n      margin-top: 24px;\n    }\n    .parameter-alt-item {\n      display: grid;\n      grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);\n      gap: 26px;\n      align-items: center;\n      padding: 22px;\n      border-radius: 28px;\n      background: #fff;\n      border: 1px solid var(--line);\n      box-shadow: var(--shadow-light);\n    }\n    .parameter-alt-item:nth-child(even) .parameter-alt-media { order: 2; }\n    .parameter-alt-media {\n      min-height: 280px;\n      border-radius: 22px;\n      overflow: hidden;\n      background: #f8fafc;\n      padding: 12px;\n    }\n    .parameter-alt-media .clean-img-placeholder { min-height: 256px; border-radius: 18px; }\n    .parameter-alt-copy h3 { font-size: 22px; margin-bottom: 10px; }\n    .parameter-alt-copy p { margin-bottom: 14px; }\n    .parameter-bullets { display: grid; gap: 9px; }\n    .parameter-bullets span {\n      display: block;\n      padding: 10px 12px;\n      border-radius: 14px;\n      background: #f8fafc;\n      border: 1px solid var(--line);\n      color: #334155;\n      font-size: 13px;\n      font-weight: 650;\n    }\n\n    @media (max-width: 1180px) {\n      .mask-visual-grid, .parameter-grid { grid-template-columns: repeat(3, 1fr); }\n      .process-visual-grid { grid-template-columns: repeat(2, 1fr); }\n    }\n    @media (max-width: 980px) {\n      .mask-visual-grid, .parameter-grid, .process-mini-row { grid-template-columns: repeat(2, 1fr); }\n      .parameter-alt-item,\n      .parameter-alt-item:nth-child(even) .parameter-alt-media { grid-template-columns: 1fr; order: initial; }\n    }\n    @media (max-width: 640px) {\n      .process-visual-grid, .mask-visual-grid, .parameter-grid, .process-mini-row { grid-template-columns: 1fr; }\n      .visual-card-media, .parameter-media { height: 210px; }\n    }\n\n\n\n    \/* ===== v10 hero: reference-inspired diamond collage layout ===== *\/\n    .hero-diamond {\n      min-height: 760px;\n      padding: 0;\n      display: flex;\n      align-items: center;\n      overflow: hidden;\n      background:\n        linear-gradient(90deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.92) 36%, rgba(255,255,255,.70) 62%, rgba(255,255,255,.45) 100%),\n        url('https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/20%EF%BC%8Cdrilling-machine-scaled.webp') center \/ cover no-repeat;\n    }\n    .hero-diamond::before {\n      content: \"\";\n      position: absolute;\n      inset: 0;\n      background:\n        radial-gradient(circle at 18% 18%, rgba(52,199,89,.10), transparent 28%),\n        radial-gradient(circle at 78% 38%, rgba(25,183,184,.08), transparent 26%);\n      pointer-events: none;\n    }\n    .hero-diamond::after {\n      content: \"\";\n      position: absolute;\n      left: -60px;\n      top: 0;\n      bottom: 0;\n      width: 270px;\n      opacity: .24;\n      background-image:\n        linear-gradient(90deg, rgba(25,183,184,.32) 1px, transparent 1px),\n        linear-gradient(rgba(25,183,184,.20) 1px, transparent 1px);\n      background-size: 46px 46px;\n      mask-image: linear-gradient(90deg, #000, transparent);\n      pointer-events: none;\n    }\n    .hero-diamond-grid {\n      position: relative;\n      z-index: 2;\n      display: grid;\n      grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);\n      gap: 46px;\n      align-items: center;\n      min-height: 760px;\n    }\n    .hero-diamond-copy {\n      max-width: 650px;\n      padding: 46px 0 48px;\n    }\n    .hero-kicker {\n      display: inline-block;\n      color: #087a32;\n      font-size: 14px;\n      font-weight: 850;\n      letter-spacing: .12em;\n      text-transform: uppercase;\n      margin-bottom: 28px;\n      position: relative;\n    }\n    .hero-kicker::after {\n      content: \"\";\n      position: absolute;\n      left: 0;\n      bottom: -14px;\n      width: 58px;\n      height: 3px;\n      border-radius: 999px;\n      background: #087a32;\n    }\n    .hero-diamond h1 {\n      margin: 0;\n      color: #102033;\n      font-size: clamp(36px, 4.2vw, 58px);\n      line-height: 1.05;\n      letter-spacing: -0.045em;\n      font-weight: 800;\n    }\n    .hero-diamond h2 {\n      margin: 16px 0 0;\n      color: #17263a;\n      font-size: clamp(24px, 2.35vw, 34px);\n      line-height: 1.32;\n      letter-spacing: -0.035em;\n      font-weight: 760;\n      max-width: 760px;\n    }\n    .hero-diamond-lead {\n      margin-top: 28px;\n      max-width: 610px;\n      color: #334155;\n      font-size: 17px;\n      line-height: 1.78;\n    }\n    .hero-feature-list {\n      margin: 34px 0 0;\n      max-width: 600px;\n    }\n    .hero-feature {\n      display: grid;\n      grid-template-columns: 30px 1fr;\n      gap: 16px;\n      align-items: center;\n      min-height: 54px;\n      border-bottom: 1px solid rgba(15, 23, 42, .14);\n    }\n    .hero-feature:first-child { border-top: 1px solid rgba(15, 23, 42, .10); }\n    .hero-feature span {\n      width: 22px;\n      height: 22px;\n      border-radius: 999px;\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      background: #0f8d45;\n      color: #fff;\n      font-size: 13px;\n      font-weight: 900;\n      box-shadow: 0 8px 18px rgba(15,141,69,.22);\n    }\n    .hero-feature p {\n      color: #1f2937;\n      font-size: 15px;\n      line-height: 1.45;\n      font-weight: 520;\n    }\n    .hero-diamond-actions {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      margin-top: 36px;\n    }\n    .hero-btn {\n      min-width: 236px;\n      min-height: 58px;\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      text-decoration: none;\n      border-radius: 7px;\n      font-weight: 800;\n      font-size: 15px;\n      transition: .25s ease;\n    }\n    .hero-btn-primary {\n      background: #087a32;\n      color: #fff;\n      box-shadow: 0 14px 28px rgba(8,122,50,.22);\n    }\n    .hero-btn-primary:hover { transform: translateY(-2px); background: #05642a; }\n    .hero-btn-secondary {\n      background: rgba(255,255,255,.82);\n      color: #087a32;\n      border: 1px solid #087a32;\n    }\n    .hero-btn-secondary:hover { transform: translateY(-2px); background: #fff; }\n\n    .hero-diamond-visual {\n      position: relative;\n      min-height: 610px;\n      width: min(720px, 100%);\n      margin-left: auto;\n      filter: drop-shadow(0 22px 34px rgba(15, 23, 42, .16));\n    }\n    .diamond-card {\n      position: absolute;\n      width: 178px;\n      height: 178px;\n      background: #fff;\n      border: 8px solid rgba(255,255,255,.96);\n      box-shadow: 0 18px 34px rgba(15,23,42,.14);\n      transform: rotate(45deg);\n      overflow: hidden;\n      border-radius: 3px;\n    }\n    .diamond-inner {\n      width: 142%;\n      height: 142%;\n      position: absolute;\n      left: -21%;\n      top: -21%;\n      transform: rotate(-45deg);\n      overflow: hidden;\n      background: #f8fafc;\n    }\n    .diamond-inner img {\n      width: 100%;\n      height: 100%;\n      object-fit: cover;\n      transform: scale(1.03);\n    }\n    .diamond-top { left: 268px; top: 28px; width: 202px; height: 202px; }\n    .diamond-left { left: 112px; top: 168px; width: 178px; height: 178px; }\n    .diamond-right { left: 455px; top: 170px; width: 178px; height: 178px; }\n    .diamond-bottom-left { left: 148px; top: 352px; width: 176px; height: 176px; }\n    .diamond-bottom-right { left: 430px; top: 352px; width: 176px; height: 176px; }\n    .diamond-bottom { left: 286px; top: 470px; width: 184px; height: 184px; opacity: .96; }\n    .diamond-center {\n      left: 295px;\n      top: 238px;\n      width: 188px;\n      height: 188px;\n      background: linear-gradient(145deg, #0e8f46, #087a32);\n      border-width: 7px;\n      z-index: 4;\n      box-shadow: 0 24px 44px rgba(8,122,50,.25);\n    }\n    .diamond-center .diamond-inner {\n      display: flex;\n      align-items: center;\n      justify-content: center;\n      text-align: center;\n      padding: 26px;\n      background:\n        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),\n        linear-gradient(145deg, #0e8f46, #087a32);\n      background-size: 18px 18px, 18px 18px, auto;\n      color: #fff;\n    }\n    .diamond-text strong {\n      display: block;\n      color: #fff;\n      font-size: 23px;\n      line-height: 1.1;\n      text-transform: uppercase;\n      letter-spacing: -0.02em;\n    }\n    .diamond-text span {\n      display: block;\n      margin-top: 12px;\n      color: rgba(255,255,255,.92);\n      font-size: 11px;\n      font-weight: 850;\n      letter-spacing: .08em;\n      text-transform: uppercase;\n      white-space: nowrap;\n    }\n\n    @media (max-width: 1180px) {\n      .hero-diamond { min-height: auto; padding: 62px 0 58px; }\n      .hero-diamond-grid { grid-template-columns: 1fr; min-height: auto; gap: 24px; }\n      .hero-diamond-copy { max-width: 820px; padding: 0; }\n      .hero-diamond-visual { min-height: 560px; margin: 0 auto; transform: scale(.92); transform-origin: top center; }\n    }\n    @media (max-width: 760px) {\n      .hero-diamond { padding: 42px 0 36px; }\n      .hero-diamond h1 { font-size: 34px; }\n      .hero-diamond h2 { font-size: 23px; }\n      .hero-diamond-lead { font-size: 15px; line-height: 1.72; }\n      .hero-diamond-actions { gap: 12px; }\n      .hero-btn { width: 100%; min-width: 0; }\n      .hero-diamond-visual { min-height: 420px; width: 560px; max-width: 100%; transform: scale(.66); transform-origin: top left; margin-bottom: -130px; }\n      .hero-feature { grid-template-columns: 26px 1fr; gap: 12px; }\n    }\n\n\n    \/* ===== v11: customer-facing copy polish + fixed diamond hero proportions ===== *\/\n    .hero-diamond {\n      min-height: 720px;\n      background:\n        linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 36%, rgba(255,255,255,.76) 63%, rgba(255,255,255,.58) 100%),\n        url('https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/20%EF%BC%8Cdrilling-machine-scaled.webp') center \/ cover no-repeat;\n    }\n    .hero-diamond-grid {\n      min-height: 720px;\n      grid-template-columns: minmax(0, .95fr) minmax(500px, .95fr);\n      gap: 34px;\n    }\n    .hero-diamond-copy { max-width: 690px; }\n    .hero-diamond h1 {\n      font-size: clamp(34px, 3.45vw, 50px);\n      line-height: 1.07;\n      letter-spacing: -0.038em;\n    }\n    .hero-diamond h2 {\n      font-size: clamp(21px, 2vw, 30px);\n      line-height: 1.34;\n      max-width: 680px;\n    }\n    .hero-diamond-lead {\n      font-size: 16px;\n      line-height: 1.74;\n      max-width: 650px;\n    }\n    .hero-feature-list { max-width: 650px; margin-top: 28px; }\n    .hero-feature { min-height: 50px; }\n    .hero-diamond-actions { margin-top: 30px; gap: 14px; }\n    .hero-btn { min-height: 54px; min-width: 220px; border-radius: 8px; }\n\n    .hero-diamond-visual {\n      width: min(650px, 100%);\n      min-height: 575px;\n      margin-left: auto;\n      margin-right: 0;\n      filter: drop-shadow(0 18px 30px rgba(15,23,42,.14));\n    }\n    .diamond-card {\n      transform: none !important;\n      border: none !important;\n      padding: 8px;\n      background: rgba(255,255,255,.96);\n      clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);\n      border-radius: 0;\n      overflow: hidden;\n      box-shadow: 0 16px 28px rgba(15,23,42,.14);\n    }\n    .diamond-inner {\n      width: 100% !important;\n      height: 100% !important;\n      left: 0 !important;\n      top: 0 !important;\n      position: relative !important;\n      transform: none !important;\n      clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);\n      border-radius: 0;\n    }\n    .diamond-inner img {\n      width: 100%;\n      height: 100%;\n      object-fit: cover;\n      transform: none !important;\n      display: block;\n    }\n    .diamond-top { left: 238px; top: 22px; width: 192px; height: 192px; z-index: 2; }\n    .diamond-left { left: 78px; top: 158px; width: 170px; height: 170px; z-index: 1; }\n    .diamond-right { left: 418px; top: 160px; width: 170px; height: 170px; z-index: 1; }\n    .diamond-bottom-left { left: 126px; top: 326px; width: 168px; height: 168px; z-index: 1; }\n    .diamond-bottom-right { left: 372px; top: 326px; width: 168px; height: 168px; z-index: 1; }\n    .diamond-bottom { left: 246px; top: 436px; width: 176px; height: 176px; opacity: .98; z-index: 0; }\n    .diamond-center {\n      left: 238px;\n      top: 214px;\n      width: 194px;\n      height: 194px;\n      z-index: 5;\n      padding: 7px;\n      background: rgba(255,255,255,.96);\n      box-shadow: 0 22px 40px rgba(8,122,50,.20);\n    }\n    .diamond-center .diamond-inner {\n      padding: 24px;\n      background:\n        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),\n        linear-gradient(145deg, #0e8f46, #087a32);\n      background-size: 18px 18px, 18px 18px, auto;\n      display: flex;\n      flex-direction: column;\n      align-items: center;\n      justify-content: center;\n      text-align: center;\n    }\n    .diamond-text strong {\n      font-size: 19px;\n      line-height: 1.12;\n      letter-spacing: -0.01em;\n      max-width: 122px;\n    }\n    .diamond-text span {\n      font-size: 9.5px;\n      letter-spacing: .055em;\n      white-space: normal;\n      line-height: 1.35;\n      max-width: 126px;\n      margin-top: 9px;\n    }\n\n    .mask-body p {\n      margin-top: 8px;\n      color: #64748b;\n      font-size: 13px;\n      line-height: 1.5;\n    }\n    .parameter-alt-list { margin-top: 26px; }\n\n    @media (max-width: 1180px) {\n      .hero-diamond-grid { grid-template-columns: 1fr; gap: 24px; min-height: auto; }\n      .hero-diamond { padding: 62px 0 58px; min-height: auto; }\n      .hero-diamond-copy { max-width: 840px; padding: 0; }\n      .hero-diamond-visual { margin: 0 auto; min-height: 560px; transform: scale(.90); transform-origin: top center; }\n    }\n    @media (max-width: 760px) {\n      .hero-diamond { padding: 42px 0 34px; }\n      .hero-diamond h1 { font-size: 32px; }\n      .hero-diamond h2 { font-size: 21px; }\n      .hero-diamond-lead { font-size: 15px; line-height: 1.68; }\n      .hero-diamond-visual {\n        width: 650px;\n        max-width: none;\n        min-height: 575px;\n        transform: scale(.56);\n        transform-origin: top left;\n        margin-bottom: -245px;\n      }\n    }\n\n\n    \/* ===== v12: compact non-deformed diamond collage fix ===== *\/\n    .hero-diamond-grid {\n      grid-template-columns: minmax(0, 1fr) minmax(430px, 560px) !important;\n      gap: 42px !important;\n      align-items: center !important;\n    }\n    .hero-diamond-visual {\n      width: min(560px, 100%) !important;\n      min-height: 590px !important;\n      margin-left: auto !important;\n      margin-right: 0 !important;\n      position: relative !important;\n      filter: drop-shadow(0 18px 28px rgba(15,23,42,.13)) !important;\n    }\n    .diamond-card {\n      position: absolute !important;\n      aspect-ratio: 1 \/ 1 !important;\n      box-sizing: border-box !important;\n      background: #ffffff !important;\n      border: 7px solid rgba(255,255,255,.96) !important;\n      border-radius: 6px !important;\n      overflow: hidden !important;\n      clip-path: none !important;\n      transform: rotate(45deg) !important;\n      box-shadow: 0 18px 34px rgba(15,23,42,.14) !important;\n    }\n    .diamond-inner {\n      position: absolute !important;\n      width: 142% !important;\n      height: 142% !important;\n      left: -21% !important;\n      top: -21% !important;\n      transform: rotate(-45deg) !important;\n      clip-path: none !important;\n      border-radius: 0 !important;\n      overflow: hidden !important;\n      background: #f8fafc !important;\n    }\n    .diamond-inner img {\n      width: 100% !important;\n      height: 100% !important;\n      object-fit: cover !important;\n      object-position: center !important;\n      display: block !important;\n      transform: none !important;\n      max-width: none !important;\n    }\n    .diamond-top {\n      width: 174px !important;\n      height: 174px !important;\n      left: 196px !important;\n      top: 16px !important;\n      z-index: 2 !important;\n    }\n    .diamond-left {\n      width: 154px !important;\n      height: 154px !important;\n      left: 60px !important;\n      top: 152px !important;\n      z-index: 1 !important;\n    }\n    .diamond-right {\n      width: 154px !important;\n      height: 154px !important;\n      left: 350px !important;\n      top: 152px !important;\n      z-index: 1 !important;\n    }\n    .diamond-center {\n      width: 180px !important;\n      height: 180px !important;\n      left: 190px !important;\n      top: 196px !important;\n      z-index: 6 !important;\n      background: #ffffff !important;\n      box-shadow: 0 24px 42px rgba(8,122,50,.22) !important;\n    }\n    .diamond-bottom-left {\n      width: 148px !important;\n      height: 148px !important;\n      left: 104px !important;\n      top: 340px !important;\n      z-index: 1 !important;\n    }\n    .diamond-bottom-right {\n      width: 148px !important;\n      height: 148px !important;\n      left: 310px !important;\n      top: 340px !important;\n      z-index: 1 !important;\n    }\n    .diamond-bottom {\n      width: 150px !important;\n      height: 150px !important;\n      left: 206px !important;\n      top: 456px !important;\n      opacity: .98 !important;\n      z-index: 0 !important;\n    }\n    .diamond-center .diamond-inner {\n      width: 142% !important;\n      height: 142% !important;\n      left: -21% !important;\n      top: -21% !important;\n      transform: rotate(-45deg) !important;\n      display: flex !important;\n      flex-direction: column !important;\n      align-items: center !important;\n      justify-content: center !important;\n      text-align: center !important;\n      padding: 36px !important;\n      background:\n        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px),\n        linear-gradient(145deg, #0e8f46, #087a32) !important;\n      background-size: 18px 18px, 18px 18px, auto !important;\n      color: #ffffff !important;\n    }\n    .diamond-text strong {\n      display: block !important;\n      max-width: 146px !important;\n      font-size: 18px !important;\n      line-height: 1.12 !important;\n      letter-spacing: -0.01em !important;\n      text-transform: uppercase !important;\n      color: #ffffff !important;\n    }\n    .diamond-text span {\n      display: block !important;\n      max-width: 156px !important;\n      margin-top: 9px !important;\n      font-size: 9.5px !important;\n      line-height: 1.35 !important;\n      font-weight: 850 !important;\n      letter-spacing: .055em !important;\n      text-transform: uppercase !important;\n      white-space: normal !important;\n      color: rgba(255,255,255,.92) !important;\n    }\n    @media (max-width: 1180px) {\n      .hero-diamond-grid {\n        grid-template-columns: 1fr !important;\n        min-height: auto !important;\n      }\n      .hero-diamond-visual {\n        margin: 0 auto !important;\n        width: 560px !important;\n        max-width: 100% !important;\n        min-height: 590px !important;\n        transform: scale(.92) !important;\n        transform-origin: top center !important;\n      }\n    }\n    @media (max-width: 760px) {\n      .hero-diamond-visual {\n        width: 560px !important;\n        max-width: none !important;\n        min-height: 590px !important;\n        transform: scale(.60) !important;\n        transform-origin: top left !important;\n        margin-bottom: -225px !important;\n      }\n    }\n    @media (max-width: 420px) {\n      .hero-diamond-visual {\n        transform: scale(.54) !important;\n        margin-bottom: -270px !important;\n      }\n    }\n\n\n\n    \/* ===== v13 image sizing normalization: prevent product image distortion and inconsistent frames ===== *\/\n    .type-media,\n    .product-media,\n    .visual-card-media,\n    .mask-media,\n    .parameter-media,\n    .parameter-alt-media,\n    .equipment-media,\n    .cert-image,\n    .qc-icon {\n      position: relative;\n      display: flex;\n      align-items: center;\n      justify-content: center;\n      overflow: hidden;\n      background: #f8fafc;\n    }\n\n    .type-media,\n    .product-media {\n      height: auto !important;\n      aspect-ratio: 4 \/ 3;\n      padding: 12px;\n    }\n\n    .type-media img,\n    .product-media img,\n    .visual-card-media img,\n    .mask-media img,\n    .parameter-media img,\n    .parameter-alt-media img,\n    .cert-image img,\n    .qc-icon img {\n      width: 100%;\n      height: 100%;\n      object-fit: contain !important;\n      object-position: center center;\n      display: block;\n      border-radius: 16px;\n      background: #ffffff;\n    }\n\n    .image-fit {\n      width: 100%;\n      height: 100%;\n      object-fit: contain !important;\n      object-position: center center;\n      display: block;\n      padding: 0 !important;\n      background: #ffffff;\n      border-radius: 16px;\n    }\n\n    .image-cover {\n      width: 100%;\n      height: 100%;\n      object-fit: contain !important;\n      object-position: center center;\n      display: block;\n      padding: 10px;\n      background: #ffffff;\n      border-radius: 16px;\n    }\n\n    .visual-card-media {\n      height: auto !important;\n      aspect-ratio: 16 \/ 10;\n      padding: 12px;\n    }\n\n    .mask-media {\n      height: auto !important;\n      aspect-ratio: 1 \/ 1;\n      padding: 10px;\n    }\n\n    .parameter-media {\n      height: auto !important;\n      aspect-ratio: 4 \/ 3;\n      padding: 12px;\n    }\n\n    .parameter-alt-media {\n      min-height: 0 !important;\n      aspect-ratio: 16 \/ 9;\n      padding: 12px;\n    }\n\n    .equipment-media {\n      height: auto !important;\n      aspect-ratio: 16 \/ 10;\n      padding: 12px;\n      background: #f8fafc;\n    }\n\n    .cert-image {\n      height: auto !important;\n      aspect-ratio: 4 \/ 3;\n      padding: 10px;\n    }\n\n    .qc-icon {\n      height: auto !important;\n      aspect-ratio: 16 \/ 9;\n      padding: 8px;\n      border-radius: 16px;\n    }\n\n    .clean-img-placeholder,\n    .image-slot {\n      width: 100%;\n      height: 100%;\n      min-height: 0 !important;\n      border-radius: inherit;\n    }\n\n    .visual-card-media .clean-img-placeholder,\n    .mask-media .clean-img-placeholder,\n    .parameter-media .clean-img-placeholder,\n    .parameter-alt-media .clean-img-placeholder,\n    .cert-image .image-slot,\n    .qc-icon .image-slot,\n    .equipment-media .image-slot {\n      min-height: 0 !important;\n      height: 100%;\n      width: 100%;\n    }\n\n    \/* Keep hero collage images sharp without stretching *\/\n    .hero-diamond-visual {\n      width: min(650px, 100%);\n      min-height: 570px;\n      margin-inline: auto 0;\n    }\n    .diamond-card {\n      border-width: 6px;\n    }\n    .diamond-inner img {\n      width: 100%;\n      height: 100%;\n      object-fit: cover !important;\n      object-position: center center;\n      display: block;\n      transform: none !important;\n      padding: 0 !important;\n      background: #f8fafc;\n      border-radius: 0;\n    }\n    .diamond-center .diamond-inner {\n      overflow: visible;\n    }\n\n    @media (max-width: 1180px) {\n      .hero-diamond-visual {\n        width: min(650px, 100%);\n        min-height: 560px;\n        margin: 8px auto 0;\n      }\n    }\n\n    @media (max-width: 980px) {\n      .type-media,\n      .product-media { aspect-ratio: 16 \/ 10; }\n      .mask-media { aspect-ratio: 4 \/ 3; }\n      .parameter-media { aspect-ratio: 16 \/ 10; }\n      .cert-image { aspect-ratio: 16 \/ 10; }\n    }\n\n    @media (max-width: 640px) {\n      .type-media,\n      .product-media,\n      .visual-card-media,\n      .mask-media,\n      .parameter-media,\n      .equipment-media,\n      .cert-image,\n      .qc-icon { aspect-ratio: 16 \/ 10; }\n      .parameter-alt-media { aspect-ratio: 4 \/ 3; }\n    }\n\n\n\n    \/* ===== v14: single hero image and clean image presentation ===== *\/\n    .hero-diamond {\n      min-height: 760px;\n      background:\n        linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 38%, rgba(255,255,255,.76) 67%, rgba(255,255,255,.60) 100%),\n        linear-gradient(180deg, #f8fafc 0%, #ffffff 100%) !important;\n    }\n    .hero-diamond-grid {\n      grid-template-columns: minmax(0, .96fr) minmax(480px, 1.04fr) !important;\n      gap: 44px !important;\n      align-items: stretch !important;\n      min-height: 760px !important;\n    }\n    .hero-single-visual {\n      align-self: stretch;\n      width: 100%;\n      min-height: 700px;\n      margin: 30px 0;\n      border-radius: 30px 0 0 30px;\n      overflow: hidden;\n      background: #f8fafc;\n      box-shadow: 0 24px 70px rgba(15,23,42,.10);\n    }\n    .hero-single-visual img {\n      width: 100%;\n      height: 100%;\n      min-height: 700px;\n      object-fit: cover;\n      object-position: center center;\n      display: block;\n      border: 0 !important;\n      border-radius: 0 !important;\n      padding: 0 !important;\n      background: transparent !important;\n    }\n\n    \/* Remove visible image frames and keep images complete wherever possible *\/\n    .type-media,\n    .product-media,\n    .visual-card-media,\n    .mask-media,\n    .equipment-media,\n    .cert-image,\n    .qc-icon {\n      height: auto !important;\n      aspect-ratio: 16 \/ 9 !important;\n      padding: 0 !important;\n      border: 0 !important;\n      border-bottom: 0 !important;\n      background: transparent !important;\n      overflow: hidden;\n      border-radius: 0 !important;\n    }\n\n    .parameter-media,\n    .parameter-alt-media {\n      height: auto !important;\n      min-height: 0 !important;\n      aspect-ratio: 4 \/ 5 !important;\n      padding: 0 !important;\n      border: 0 !important;\n      border-bottom: 0 !important;\n      background: transparent !important;\n      overflow: hidden;\n      border-radius: 0 !important;\n    }\n\n    .type-media img,\n    .product-media img,\n    .visual-card-media img,\n    .mask-media img,\n    .parameter-media img,\n    .parameter-alt-media img,\n    .equipment-media img,\n    .cert-image img,\n    .qc-icon img,\n    .image-fit,\n    .image-cover {\n      width: 100% !important;\n      height: 100% !important;\n      object-fit: contain !important;\n      object-position: center center !important;\n      display: block !important;\n      padding: 0 !important;\n      border: 0 !important;\n      border-radius: 0 !important;\n      background: transparent !important;\n      box-shadow: none !important;\n    }\n\n    .clean-img-placeholder,\n    .image-slot {\n      width: 100%;\n      height: 100%;\n      min-height: 0 !important;\n      border: 0 !important;\n      border-radius: 0 !important;\n      box-shadow: none !important;\n      background:\n        radial-gradient(circle at 25% 18%, rgba(52,199,89,.10), transparent 24%),\n        radial-gradient(circle at 84% 20%, rgba(25,183,184,.08), transparent 26%),\n        linear-gradient(135deg, #f8fafc 0%, #ffffff 100%) !important;\n    }\n    .clean-img-placeholder::after,\n    .image-slot::after {\n      display: none !important;\n    }\n    .clean-img-placeholder::before,\n    .image-slot::before {\n      opacity: .36 !important;\n      background-size: 32px 32px !important;\n    }\n\n    .visual-card-media .clean-img-placeholder,\n    .mask-media .clean-img-placeholder,\n    .parameter-media .clean-img-placeholder,\n    .parameter-alt-media .clean-img-placeholder,\n    .cert-image .image-slot,\n    .qc-icon .image-slot,\n    .equipment-media .image-slot,\n    .type-media .image-slot,\n    .product-media .image-slot {\n      height: 100% !important;\n      width: 100% !important;\n      min-height: 0 !important;\n    }\n\n    .visual-card,\n    .mask-card,\n    .parameter-card,\n    .equipment-card,\n    .cert-card {\n      overflow: hidden;\n    }\n    .visual-card-body,\n    .mask-body,\n    .parameter-body,\n    .equipment-body {\n      border-top: 0 !important;\n    }\n\n    @media (max-width: 1180px) {\n      .hero-diamond-grid {\n        grid-template-columns: 1fr !important;\n        gap: 24px !important;\n        min-height: auto !important;\n      }\n      .hero-single-visual {\n        min-height: 430px;\n        margin: 0 0 42px;\n        border-radius: 28px;\n      }\n      .hero-single-visual img {\n        min-height: 430px;\n      }\n    }\n    @media (max-width: 640px) {\n      .hero-single-visual {\n        min-height: 260px;\n        margin-bottom: 28px;\n        border-radius: 22px;\n      }\n      .hero-single-visual img {\n        min-height: 260px;\n      }\n      .type-media,\n      .product-media,\n      .visual-card-media,\n      .mask-media,\n      .equipment-media,\n      .cert-image,\n      .qc-icon {\n        aspect-ratio: 16 \/ 10 !important;\n      }\n      .parameter-media,\n      .parameter-alt-media {\n        aspect-ratio: 4 \/ 5 !important;\n      }\n    }\n\n\n    \/* ===== v15: designed replaceable image placeholders ===== *\/\n    .replaceable-placeholder,\n    .pcb-color-sample {\n      position: relative;\n      width: 100%;\n      height: 100%;\n      min-height: 100%;\n      display: block;\n      overflow: hidden;\n      isolation: isolate;\n      border: 0 !important;\n      box-shadow: none !important;\n      border-radius: 0 !important;\n      background:\n        radial-gradient(circle at 18% 16%, rgba(52,199,89,.12), transparent 23%),\n        radial-gradient(circle at 84% 20%, rgba(25,183,184,.10), transparent 25%),\n        linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);\n    }\n    .replaceable-placeholder::before,\n    .pcb-color-sample::before {\n      content: \"\";\n      position: absolute;\n      inset: 0;\n      opacity: .36;\n      background-image:\n        linear-gradient(rgba(15,23,42,.055) 1px, transparent 1px),\n        linear-gradient(90deg, rgba(15,23,42,.055) 1px, transparent 1px);\n      background-size: 32px 32px;\n      z-index: 0;\n      pointer-events: none;\n    }\n    .replaceable-placeholder::after {\n      content: \"\";\n      position: absolute;\n      z-index: 1;\n      pointer-events: none;\n    }\n\n    \/* Product \/ PCB board placeholder *\/\n    .ph-product {\n      background:\n        radial-gradient(circle at 22% 20%, rgba(52,199,89,.13), transparent 24%),\n        radial-gradient(circle at 82% 18%, rgba(25,183,184,.10), transparent 24%),\n        linear-gradient(135deg, #f7fff9 0%, #f8fafc 100%);\n    }\n    .ph-product::after {\n      left: 15%;\n      right: 15%;\n      top: 19%;\n      bottom: 18%;\n      border-radius: 18px;\n      transform: rotate(-3deg);\n      background:\n        radial-gradient(circle at 12% 18%, #d8b44b 0 5px, transparent 6px),\n        radial-gradient(circle at 88% 18%, #d8b44b 0 5px, transparent 6px),\n        radial-gradient(circle at 14% 82%, #d8b44b 0 5px, transparent 6px),\n        radial-gradient(circle at 86% 80%, #d8b44b 0 5px, transparent 6px),\n        radial-gradient(circle at 34% 36%, #d8b44b 0 4px, transparent 5px),\n        radial-gradient(circle at 68% 64%, #d8b44b 0 4px, transparent 5px),\n        linear-gradient(90deg, transparent 0 18%, rgba(255,255,255,.28) 18% 20%, transparent 20% 100%),\n        linear-gradient(0deg, transparent 0 30%, rgba(255,255,255,.22) 30% 32%, transparent 32% 100%),\n        linear-gradient(135deg, #168348 0%, #0f6d3a 100%);\n      box-shadow: 0 16px 34px rgba(15,23,42,.12);\n    }\n\n    \/* Surface finish \/ process placeholder *\/\n    .ph-process {\n      background:\n        linear-gradient(135deg, rgba(52,199,89,.09), rgba(25,183,184,.05)),\n        #ffffff;\n    }\n    .ph-process::after {\n      left: 14%;\n      top: 22%;\n      width: 72%;\n      height: 56%;\n      border-radius: 24px;\n      background:\n        radial-gradient(circle at 18% 24%, rgba(216,180,75,.9) 0 7px, transparent 8px),\n        radial-gradient(circle at 82% 30%, rgba(216,180,75,.9) 0 7px, transparent 8px),\n        linear-gradient(100deg, transparent 0 28%, rgba(255,255,255,.45) 28% 34%, transparent 34% 100%),\n        linear-gradient(135deg, #167e47, #0f8d45 48%, #d9b353 49%, #f4d77c 54%, #13723f 55%);\n      box-shadow: 0 18px 36px rgba(15,23,42,.12);\n    }\n\n    \/* Vertical parameter chart placeholder *\/\n    .ph-parameter,\n    .ph-wide-parameter {\n      background:\n        radial-gradient(circle at 22% 15%, rgba(52,199,89,.10), transparent 24%),\n        linear-gradient(135deg, #ffffff 0%, #f3fbf5 100%);\n    }\n    .ph-parameter::after {\n      left: 18%;\n      right: 18%;\n      top: 10%;\n      bottom: 10%;\n      border-radius: 22px;\n      background:\n        linear-gradient(#1d837d 0 12%, transparent 12% 100%),\n        linear-gradient(#e2e8f0 0 0) 18% 24% \/ 64% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 18% 34% \/ 64% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 18% 44% \/ 64% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 18% 54% \/ 64% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 18% 64% \/ 64% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 18% 74% \/ 64% 2px no-repeat,\n        linear-gradient(180deg, #ffffff, #f8fafc);\n      box-shadow: 0 20px 44px rgba(15,23,42,.12);\n    }\n    .ph-wide-parameter::after {\n      left: 10%;\n      right: 10%;\n      top: 15%;\n      bottom: 15%;\n      border-radius: 22px;\n      background:\n        linear-gradient(90deg, #1d837d 0 28%, transparent 28% 100%),\n        linear-gradient(#e2e8f0 0 0) 34% 28% \/ 48% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 34% 40% \/ 56% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 34% 52% \/ 44% 2px no-repeat,\n        linear-gradient(#e2e8f0 0 0) 34% 64% \/ 52% 2px no-repeat,\n        linear-gradient(180deg, #ffffff, #f8fafc);\n      box-shadow: 0 20px 44px rgba(15,23,42,.12);\n    }\n\n    \/* Quality control placeholder *\/\n    .ph-qc::after {\n      left: 16%;\n      right: 16%;\n      top: 20%;\n      bottom: 20%;\n      border-radius: 24px;\n      background:\n        radial-gradient(circle at 20% 50%, #34C759 0 8px, transparent 9px),\n        radial-gradient(circle at 40% 50%, #34C759 0 8px, transparent 9px),\n        radial-gradient(circle at 60% 50%, #34C759 0 8px, transparent 9px),\n        radial-gradient(circle at 80% 50%, #34C759 0 8px, transparent 9px),\n        linear-gradient(90deg, transparent 0 20%, rgba(52,199,89,.35) 20% 80%, transparent 80% 100%),\n        linear-gradient(135deg, #ffffff, #edfdf3);\n      box-shadow: 0 16px 34px rgba(15,23,42,.10);\n    }\n\n    \/* Equipment \/ workshop placeholder *\/\n    .ph-equipment::after {\n      left: 12%;\n      right: 12%;\n      top: 18%;\n      bottom: 18%;\n      border-radius: 18px;\n      background:\n        linear-gradient(#cbd5e1 0 0) 18% 24% \/ 64% 8px no-repeat,\n        linear-gradient(#94a3b8 0 0) 20% 40% \/ 28% 34px no-repeat,\n        linear-gradient(#64748b 0 0) 54% 40% \/ 24% 34px no-repeat,\n        linear-gradient(#34C759 0 0) 24% 70% \/ 52% 8px no-repeat,\n        linear-gradient(180deg, #ffffff, #f1f5f9);\n      box-shadow: 0 18px 36px rgba(15,23,42,.11);\n    }\n\n    \/* Certificate placeholder *\/\n    .ph-cert::after {\n      left: 24%;\n      right: 24%;\n      top: 12%;\n      bottom: 12%;\n      border-radius: 16px;\n      background:\n        radial-gradient(circle at 50% 28%, rgba(52,199,89,.28) 0 20px, transparent 22px),\n        linear-gradient(#cbd5e1 0 0) 22% 52% \/ 56% 2px no-repeat,\n        linear-gradient(#cbd5e1 0 0) 28% 62% \/ 44% 2px no-repeat,\n        linear-gradient(#cbd5e1 0 0) 34% 72% \/ 32% 2px no-repeat,\n        linear-gradient(180deg, #ffffff, #f8fafc);\n      box-shadow: 0 18px 36px rgba(15,23,42,.11);\n    }\n\n    .ph-generic::after {\n      left: 20%; right: 20%; top: 22%; bottom: 22%;\n      border-radius: 22px;\n      background: linear-gradient(135deg, rgba(52,199,89,.26), rgba(25,183,184,.18));\n      box-shadow: 0 14px 30px rgba(15,23,42,.10);\n    }\n\n    \/* Designed solder mask PCB sample placeholders *\/\n    .pcb-color-sample {\n      --board: #168348;\n      --trace: rgba(255,255,255,.22);\n      --pad: #d8b44b;\n      --chip: #0f172a;\n      background:\n        radial-gradient(circle at 14% 18%, var(--pad) 0 5px, transparent 6px),\n        radial-gradient(circle at 86% 18%, var(--pad) 0 5px, transparent 6px),\n        radial-gradient(circle at 15% 82%, var(--pad) 0 5px, transparent 6px),\n        radial-gradient(circle at 85% 82%, var(--pad) 0 5px, transparent 6px),\n        linear-gradient(135deg, rgba(255,255,255,.20), transparent 34%),\n        var(--board) !important;\n    }\n    .pcb-color-sample::before {\n      opacity: .62;\n      background:\n        linear-gradient(90deg, transparent 0 12%, var(--trace) 12% 14%, transparent 14% 100%),\n        linear-gradient(90deg, transparent 0 34%, var(--trace) 34% 36%, transparent 36% 100%),\n        linear-gradient(90deg, transparent 0 66%, var(--trace) 66% 68%, transparent 68% 100%),\n        linear-gradient(0deg, transparent 0 22%, var(--trace) 22% 24%, transparent 24% 100%),\n        linear-gradient(0deg, transparent 0 50%, var(--trace) 50% 52%, transparent 52% 100%),\n        linear-gradient(0deg, transparent 0 76%, var(--trace) 76% 78%, transparent 78% 100%);\n      inset: 16px;\n      border-radius: 18px;\n      background-size: auto;\n      z-index: 1;\n    }\n    .pcb-color-sample::after {\n      content: \"\";\n      position: absolute;\n      width: 78px;\n      height: 58px;\n      left: 50%;\n      top: 50%;\n      transform: translate(-50%, -50%);\n      border-radius: 12px;\n      background:\n        linear-gradient(90deg, transparent 0 12%, rgba(255,255,255,.28) 12% 14%, transparent 14% 100%),\n        var(--chip);\n      box-shadow: 0 10px 26px rgba(15,23,42,.18), 0 0 0 8px rgba(255,255,255,.08);\n      z-index: 2;\n      pointer-events: none;\n    }\n    .pcb-dot-group { position:absolute; inset:0; z-index:3; pointer-events:none; }\n    .pcb-dot-group span {\n      position: absolute;\n      width: 8px;\n      height: 8px;\n      border-radius: 999px;\n      background: var(--pad);\n      box-shadow: 0 0 0 4px rgba(255,255,255,.10);\n    }\n    .pcb-dot-group span:nth-child(1) { left: 25%; top: 26%; }\n    .pcb-dot-group span:nth-child(2) { left: 39%; top: 24%; }\n    .pcb-dot-group span:nth-child(3) { right: 26%; top: 31%; }\n    .pcb-dot-group span:nth-child(4) { left: 23%; bottom: 29%; }\n    .pcb-dot-group span:nth-child(5) { right: 35%; bottom: 24%; }\n    .pcb-dot-group span:nth-child(6) { right: 17%; bottom: 38%; }\n    .pcb-dot-group span:nth-child(7) { left: 48%; bottom: 18%; }\n    .pcb-dot-group span:nth-child(8) { right: 48%; top: 18%; }\n    .sample-green { --board:#168348; --trace:rgba(255,255,255,.22); --pad:#d8b44b; --chip:#0f172a; }\n    .sample-black { --board:#111827; --trace:rgba(255,255,255,.18); --pad:#d8b44b; --chip:#374151; }\n    .sample-blue { --board:#1d4ed8; --trace:rgba(255,255,255,.20); --pad:#d8b44b; --chip:#0f172a; }\n    .sample-white { --board:#f8fafc; --trace:rgba(15,23,42,.18); --pad:#d8b44b; --chip:#e2e8f0; }\n    .sample-red { --board:#c81e1e; --trace:rgba(255,255,255,.20); --pad:#d8b44b; --chip:#111827; }\n    .sample-yellow { --board:#f5b827; --trace:rgba(15,23,42,.16); --pad:#fff1b8; --chip:#334155; }\n\n    \/* Keep real image replacement clean: no frame, full display *\/\n    .type-media img,\n    .product-media img,\n    .visual-card-media img,\n    .mask-media img,\n    .parameter-media img,\n    .parameter-alt-media img,\n    .equipment-media img,\n    .cert-image img,\n    .qc-icon img {\n      border: 0 !important;\n      box-shadow: none !important;\n      background: transparent !important;\n      object-fit: contain !important;\n    }\n\n\n    \/* ===== v16: all replaceable placeholders are now IMG tags ===== *\/\n    .replace-img {\n      width: 100% !important;\n      height: 100% !important;\n      display: block !important;\n      object-fit: contain !important;\n      object-position: center center !important;\n      border: 0 !important;\n      border-radius: 0 !important;\n      padding: 0 !important;\n      margin: 0 !important;\n      background: transparent !important;\n      box-shadow: none !important;\n    }\n    .hero-single-visual .replace-img {\n      object-fit: cover !important;\n      min-height: 700px;\n    }\n    .type-media,\n    .product-media,\n    .visual-card-media,\n    .mask-media,\n    .equipment-media,\n    .cert-image,\n    .qc-icon {\n      aspect-ratio: 16 \/ 9 !important;\n      padding: 0 !important;\n      border: 0 !important;\n      background: transparent !important;\n      overflow: hidden !important;\n    }\n    .parameter-media,\n    .parameter-alt-media {\n      aspect-ratio: 4 \/ 5 !important;\n      padding: 0 !important;\n      border: 0 !important;\n      background: transparent !important;\n      overflow: hidden !important;\n    }\n    .mask-media .replace-img,\n    .visual-card-media .replace-img,\n    .type-media .replace-img,\n    .equipment-media .replace-img,\n    .cert-image .replace-img,\n    .qc-icon .replace-img {\n      object-fit: contain !important;\n    }\n    @media (max-width: 1180px) {\n      .hero-single-visual .replace-img { min-height: 430px; }\n    }\n    @media (max-width: 640px) {\n      .hero-single-visual .replace-img { min-height: 260px; }\n      .type-media,\n      .product-media,\n      .visual-card-media,\n      .mask-media,\n      .equipment-media,\n      .cert-image,\n      .qc-icon { aspect-ratio: 16 \/ 10 !important; }\n      .parameter-media,\n      .parameter-alt-media { aspect-ratio: 4 \/ 5 !important; }\n    }\n\n\n\/* <a href=\"\/about\/\" style=\"font-weight:bold;color:var(--e-global-color-primary,#0058e6);text-decoration:underline;\">YC PCB<\/a> Unified Contact Popup *\/\n.ycpcbs-contact-popup {\n  display:none;\n  position:fixed;\n  inset:0;\n  z-index:99999;\n  align-items:center;\n  justify-content:center;\n  padding:20px;\n  background:rgba(15,23,42,.68);\n  backdrop-filter:blur(6px);\n  -webkit-backdrop-filter:blur(6px);\n}\n\n.ycpcbs-contact-popup:target {\n  display:flex;\n}\n\n.ycpcbs-popup-dialog {\n  position:relative;\n  width:min(560px,100%);\n  max-height:calc(100vh - 40px);\n  overflow:auto;\n  padding:30px;\n  border:1px solid #dbe5ee;\n  border-radius:28px;\n  background:#ffffff;\n  box-shadow:0 30px 90px rgba(15,23,42,.24);\n}\n\n.ycpcbs-popup-close {\n  position:absolute;\n  top:15px;\n  right:16px;\n  width:38px;\n  height:38px;\n  display:grid;\n  place-items:center;\n  border-radius:50%;\n  border:1px solid #e2e8f0;\n  background:#f8fafc;\n  color:#0f172a!important;\n  font-size:24px;\n  line-height:1;\n  font-weight:800;\n  text-decoration:none;\n}\n\n.ycpcbs-popup-head {\n  padding-right:44px;\n  margin-bottom:22px;\n}\n\n.ycpcbs-popup-head h3 {\n  margin:0;\n  color:#0f172a!important;\n  font-size:28px;\n  line-height:1.18;\n}\n\n.ycpcbs-popup-head p {\n  margin-top:10px;\n  color:#64748b!important;\n  font-size:14px;\n  line-height:1.65;\n}\n\n.ycpcbs-popup-field {\n  margin-bottom:16px;\n}\n\n.ycpcbs-contact-popup label {\n  display:block;\n  margin:0 0 8px;\n  color:#0f172a!important;\n  font-size:14px!important;\n  font-weight:800!important;\n}\n\n.ycpcbs-contact-popup input,\n.ycpcbs-contact-popup textarea {\n  width:100%!important;\n  border:1px solid #cbd5e1!important;\n  border-radius:14px!important;\n  background:#ffffff!important;\n  color:#0f172a!important;\n  padding:13px 14px!important;\n  font-family:Inter,Arial,sans-serif!important;\n  font-size:15px!important;\n  line-height:1.5!important;\n  outline:none!important;\n  box-shadow:none!important;\n  box-sizing:border-box!important;\n}\n\n.ycpcbs-contact-popup input:focus,\n.ycpcbs-contact-popup textarea:focus {\n  border-color:#34C759!important;\n  box-shadow:0 0 0 4px rgba(52,199,89,.13)!important;\n}\n\n.ycpcbs-contact-popup textarea {\n  min-height:135px!important;\n  resize:vertical!important;\n}\n\n.ycpcbs-popup-submit {\n  width:100%;\n  min-height:54px;\n  border:0;\n  border-radius:999px;\n  background:#34C759;\n  color:#ffffff!important;\n  font-size:15px;\n  font-weight:850;\n  cursor:pointer;\n  box-shadow:0 14px 30px rgba(52,199,89,.25);\n}\n\n.ycpcbs-popup-submit:hover {\n  background:#28a745;\n}\n\n.ycpcbs-popup-submit:disabled {\n  opacity:.65;\n  cursor:not-allowed;\n}\n\n.ycpcbs-popup-note {\n  margin-top:14px;\n  text-align:center;\n  color:#64748b!important;\n  font-size:13px;\n  line-height:1.55;\n}\n\n.ycpcbs-popup-note a {\n  color:#166534!important;\n  font-weight:800;\n}\n\n@media(max-width:640px) {\n  .ycpcbs-contact-popup {\n    padding:12px;\n    align-items:flex-end;\n  }\n\n  .ycpcbs-popup-dialog {\n    width:100%;\n    max-height:88vh;\n    padding:24px 18px 20px;\n    border-radius:24px 24px 18px 18px;\n  }\n\n  .ycpcbs-popup-head h3 {\n    font-size:24px;\n  }\n}\n\n<\/style>\n<style>\n\/* YC PCB matched-image final overrides *\/\n.hero-single-visual{background:#fff;border:1px solid #e2e8f0}\n.hero-single-visual .replace-img{object-fit:contain!important;object-position:center!important;background:#fff!important;padding:22px!important}\n.type-media,.product-media,.visual-card-media,.mask-media,.equipment-media,.cert-image,.qc-icon{background:#fff!important}\n.type-media img,.product-media img,.visual-card-media img,.mask-media img,.equipment-media img,.cert-image img,.qc-icon img{object-fit:contain!important;object-position:center!important;background:#fff!important;padding:8px!important}\n.parameter-media img,.parameter-alt-media img,.capability-table-media img{object-fit:contain!important;background:#fff!important}\n@media(max-width:640px){.hero-single-visual .replace-img{padding:10px!important}}\n<\/style>\n<section class=\"hero hero-diamond\" id=\"top\">\n<div class=\"hero-bg-overlay\"><\/div>\n<div class=\"container hero-diamond-grid\">\n<div class=\"hero-diamond-copy\">\n<div class=\"hero-kicker\">MULTILAYER PCB SOLUTIONS<\/div>\n<h1>Multilayer PCB Manufacturer<\/h1>\n<h2>HDI, ENIG, Gold Finger and <a href=\"\/impedance-control-pcb-30-layer-with-8oz-copper\/\" style=\"font-weight:bold;color:var(--e-global-color-primary,#0058e6);text-decoration:underline;\">Impedance<\/a>-Controlled PCB Fabrication<\/h2>\n<p class=\"hero-diamond-lead\">YC PCB supports custom multilayer PCB fabrication for telecom equipment, data centers, industrial control systems, automotive electronics and high-reliability electronic projects. Send Gerber files, stack-up requirements and quantity details for engineering review, DFM check and official quotation.<\/p>\n<div aria-label=\"Multilayer PCB key support\" class=\"hero-feature-list\">\n<div class=\"hero-feature\"><span>\u2713<\/span><p>Free DFM review for multilayer PCB projects<\/p><\/div>\n<div class=\"hero-feature\"><span>\u2713<\/span><p>Prototype, small-batch and volume production support<\/p><\/div>\n<div class=\"hero-feature\"><span>\u2713<\/span><p>HDI, ENIG, gold finger and controlled impedance project review<\/p><\/div>\n<\/div>\n<div class=\"hero-diamond-actions\">\n<a class=\"hero-btn hero-btn-primary\"\n   href=\"#ycpcbs-contact-popup\"\n   style=\"color: #ffffff;\">\n  Get Multilayer PCB Quote\n<\/a>\n<a class=\"hero-btn hero-btn-secondary\" href=\"https:\/\/wa.me\/8613827881651\" target=\"_blank\" rel=\"noopener\">Send Gerber for Review<\/a>\n<\/div>\n<\/div>\n<div aria-label=\"Multilayer PCB manufacturing image\" class=\"hero-single-visual\">\n<img alt=\"high density multilayer rigid PCB for custom multilayer PCB manufacturing\" class=\"replace-img\" decoding=\"async\" fetchpriority=\"high\" loading=\"eager\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp\"\/>\n<\/div>\n<\/div>\n<\/section>\n<div class=\"trust-strip\">\n<div class=\"container trust-grid\">\n<div class=\"trust-item\"><strong>ISO 9001<\/strong><span>Quality management system<\/span><\/div>\n<div class=\"trust-item\"><strong>UL<\/strong><span>Certification support for export projects<\/span><\/div>\n<div class=\"trust-item\"><strong>RoHS<\/strong><span>Compliance support for export projects<\/span><\/div>\n<div class=\"trust-item\"><strong>Factory Direct<\/strong><span>Prototype, small-batch and mass production support<\/span><\/div>\n<\/div>\n<\/div>\n<section id=\"product-types\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Product Types<\/div>\n<h2>Multilayer PCB Types for Different Engineering Requirements<\/h2>\n<\/div>\n<p>Choose the right multilayer PCB type according to signal speed, connector design, copper weight, surface finish, routing density and final application. YC PCB can review Gerber files and stack-up requirements before production.<\/p>\n<\/div>\n<div class=\"type-grid\">\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"ENIG multilayer PCB with green solder mask and immersion gold pads\" class=\"image-fit replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/5ENIG-Multilayer-PCB-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>ENIG Multilayer PCB<\/h3><p>For advanced electronics requiring stable solderability, oxidation resistance and reliable SMT assembly.<\/p><div class=\"meta-list\"><span>Surface finish: ENIG<\/span><span>Use: industrial control, advanced electronics<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"20 layer FR4 HDI multilayer PCB with high density interconnect routing\" class=\"image-fit replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/2HDI-PCB-FR4-20-Layer-PCB-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>HDI Multilayer PCB<\/h3><p>For compact layouts, BGA routing, blind via \/ buried via structures and high-density interconnect designs.<\/p><div class=\"meta-list\"><span>Example: 20-layer FR4 <a href=\"\/hdi-pcb-20-layer-fr4\/\" style=\"font-weight:bold;color:var(--e-global-color-primary,#0058e6);text-decoration:underline;\">HDI PCB<\/a><\/span><span>Use: telecom, servers, automotive electronics<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"16 layer gold finger multilayer PCB with plated edge connector contacts\" class=\"image-fit replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/10Gold-Finger-16-Layer-PCB-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>Gold Finger PCB<\/h3><p>For edge connector applications requiring wear-resistant plated contacts and reliable plug-in performance.<\/p><div class=\"meta-list\"><span>Example: 16-layer gold finger PCB<\/span><span>Use: motherboards, memory cards, communication modules<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"30 layer impedance control PCB with 8oz copper for high speed electronics\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/13Impedance-Control-8oz-Copper-30-Layer-PCB-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>Impedance Control PCB<\/h3><p>For high-speed signal transmission, controlled stack-up, stable dielectric design and communication electronics.<\/p><div class=\"meta-list\"><span>Example: 30-layer 8oz impedance PCB<\/span><span>Use: telecom, data centers, high-speed electronics<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"heavy copper multilayer PCB with 8oz copper power routing areas\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/9Impedance-Control-8oz-Copper-1-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>Heavy Copper Multilayer PCB<\/h3><p>For power electronics, high-current routing and industrial applications that require thicker copper review.<\/p><div class=\"meta-list\"><span>Copper option: up to 8oz project support<\/span><span>Use: power modules, industrial systems<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"32 layer immersion gold multilayer PCB for high density electronics\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/15Immersion-Gold-PCB-32-Layer-PCB-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>Immersion Gold PCB<\/h3><p>For high-density multilayer boards requiring clean surface quality, good solderability and long-term stability.<\/p><div class=\"meta-list\"><span>Example: 32-layer immersion gold PCB<\/span><span>Use: high-performance electronics<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"gold plated edge connector PCB for plug in electronic modules\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/14Edge-Connector-Gold-Plated-PCB-scaled.webp\"\/><\/div>\n<div class=\"type-body\"><h3>Edge Connector PCB<\/h3><p>For motherboard interfaces, communication modules, memory cards and plug-in electronic products.<\/p><div class=\"meta-list\"><span>Finish: gold-plated edge<\/span><span>Use: motherboards, communication modules<\/span><\/div><\/div>\n<\/article>\n<article class=\"type-card\">\n<div class=\"type-media\"><img alt=\"high speed impedance PCB for communication and signal sensitive applications\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/05\/High-Speed-Impedance-PCB.png\"\/><\/div>\n<div class=\"type-body\"><h3>High-Frequency PCB<\/h3><p>For RF, communication and signal-sensitive projects that require material and stack-up review.<\/p><div class=\"meta-list\"><span>Material: project-based review<\/span><span>Use: RF modules, communication electronics<\/span><\/div><\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"solder-mask-visual-section\" id=\"solder-mask-colors\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Solder Mask Colors<\/div>\n<h2>Solder Mask Color Options for Custom Multilayer PCB<\/h2>\n<\/div>\n<p>YC PCB supports common solder mask color options for prototype and production projects. Final color availability should be confirmed according to board material, production process, quantity and delivery requirement.<\/p>\n<\/div>\n<div class=\"mask-visual-grid\">\n<article class=\"mask-card\">\n<div class=\"mask-media\"><img alt=\"green solder mask multilayer PCB product sample\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/06\/1K5A6248-1.webp\"\/><\/div>\n<div class=\"mask-body\"><h3><span class=\"mask-dot dot-green\"><\/span>Green<\/h3><p>Common option for standard PCB production.<\/p><\/div>\n<\/article>\n<article class=\"mask-card\">\n<div class=\"mask-media\"><img alt=\"black solder mask PCB product sample\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/black-pcb-board1.jpg\"\/><\/div>\n<div class=\"mask-body\"><h3><span class=\"mask-dot dot-black\"><\/span>Black<\/h3><p>Suitable for premium product appearance.<\/p><\/div>\n<\/article>\n<article class=\"mask-card\">\n<div class=\"mask-media\"><img alt=\"blue solder mask PCB product sample\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/07\/Blue-PCB.jpg\"\/><\/div>\n<div class=\"mask-body\"><h3><span class=\"mask-dot dot-blue\"><\/span>Blue<\/h3><p>Available for selected custom PCB projects.<\/p><\/div>\n<\/article>\n<article class=\"mask-card\">\n<div class=\"mask-media\"><img alt=\"white solder mask PCB product sample\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/white-pcb-board.jpg\"\/><\/div>\n<div class=\"mask-body\"><h3><span class=\"mask-dot dot-white\"><\/span>White<\/h3><p>Often used for LED or reflective design requirements.<\/p><\/div>\n<\/article>\n<article class=\"mask-card\">\n<div class=\"mask-media\"><img alt=\"red solder mask PCB product sample\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/red-pcb-board-1.jpg\"\/><\/div>\n<div class=\"mask-body\"><h3><span class=\"mask-dot dot-red\"><\/span>Red<\/h3><p>Available by project review.<\/p><\/div>\n<\/article>\n<article class=\"mask-card\">\n<div class=\"mask-media\"><img alt=\"purple solder mask PCB product sample for custom color review\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2024\/12\/LED-PCB4.jpg\"\/><\/div>\n<div class=\"mask-body\"><h3><span class=\"mask-dot dot-purple\"><\/span>Purple \/ Custom<\/h3><p>Yellow, purple and custom colors can be reviewed during RFQ.<\/p><\/div>\n<\/article>\n<\/div>\n<div class=\"mask-note\"><strong>RFQ note:<\/strong> Final solder mask color availability should be confirmed according to board material, production process, quantity and delivery requirement.<\/div>\n<\/div>\n<\/section>\n<section class=\"visual-process-section\" id=\"process-display\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Surface Finish &amp; Process<\/div>\n<h2>Surface Finish and Process Options for Multilayer PCB<\/h2>\n<\/div>\n<p>Surface finish should match assembly method, storage requirement, solderability, connector design and final application. YC PCB can recommend a suitable process after reviewing your Gerber files and project requirements.<\/p>\n<\/div>\n<div class=\"process-visual-grid\">\n<article class=\"visual-card\">\n<div class=\"visual-card-media\"><img alt=\"multilayer PCB surface finish reference for HASL and lead free HASL review\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/green-pcb-board-12.jpg\"\/><\/div>\n<div class=\"visual-card-body\"><h3>HASL \/ Lead-Free HASL<\/h3><p>Common surface finish route for standard PCB projects requiring stable solderability and controlled cost.<\/p><\/div>\n<\/article>\n<article class=\"visual-card\">\n<div class=\"visual-card-media\"><img alt=\"OSP surface finish production line for PCB copper protection\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2024\/11\/OSP%E7%BA%BF.jpg\"\/><\/div>\n<div class=\"visual-card-body\"><h3>OSP Finish<\/h3><p>Flat copper protection option for short-cycle assembly projects and cost-sensitive production planning.<\/p><\/div>\n<\/article>\n<article class=\"visual-card\">\n<div class=\"visual-card-media\"><img alt=\"ENIG and immersion gold PCB surface finish detail\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/Green-solder-mask-with-ENIG.jpg\"\/><\/div>\n<div class=\"visual-card-body\"><h3>ENIG \/ Immersion Gold<\/h3><p>Recommended for fine-pitch SMT, BGA, oxidation resistance and high-reliability multilayer PCB applications.<\/p><\/div>\n<\/article>\n<article class=\"visual-card\">\n<div class=\"visual-card-media\"><img alt=\"gold finger PCB process with plated edge contacts and SMT components\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/6PCB-with-Gold-Fingers-and-SMT-Components-scaled.webp\"\/><\/div>\n<div class=\"visual-card-body\"><h3>Gold Finger Process<\/h3><p>Used for edge connector boards that need durable plated contacts and reliable plug-in performance.<\/p><\/div>\n<\/article>\n<article class=\"visual-card\">\n<div class=\"visual-card-media\"><img alt=\"PCB solder mask production process and coating line\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/9%EF%BC%8Csolder-mask-scaled.webp\"\/><\/div>\n<div class=\"visual-card-body\"><h3>Solder Mask Process<\/h3><p>Protects copper circuits and supports clear board appearance for assembly, inspection and final use.<\/p><\/div>\n<\/article>\n<article class=\"visual-card\">\n<div class=\"visual-card-media\"><img alt=\"multilayer PCB lamination equipment for layer bonding and stack up production\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/12%EF%BC%8CLaminating-machine-scaled.webp\"\/><\/div>\n<div class=\"visual-card-body\"><h3>Drilling, Plating and Lamination<\/h3><p>Key processes for multilayer interconnection, <a href=\"\/pcb-assembly\/\" style=\"font-weight:bold;color:var(--e-global-color-primary,#0058e6);text-decoration:underline;\">through-hole<\/a> reliability and stable stack-up production.<\/p><\/div>\n<\/article>\n<\/div>\n<div aria-label=\"Main process highlights\" class=\"process-mini-row\">\n<div class=\"process-mini\"><b>1<\/b><span>Engineering review before production<\/span><\/div>\n<div class=\"process-mini\"><b>2<\/b><span>Process selection by application<\/span><\/div>\n<div class=\"process-mini\"><b>3<\/b><span>AOI and electrical test support<\/span><\/div>\n<div class=\"process-mini\"><b>4<\/b><span>Final feasibility confirmed by RFQ<\/span><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"parameter-clean-section\" id=\"capability\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Capability Charts<\/div>\n<h2>Multilayer PCB Capability Charts for Engineering Review<\/h2>\n<\/div>\n<p>Confirm the required layer count, material, board thickness, copper weight, surface finish, drilling structure, testing method and tolerance before quotation. Final feasibility is confirmed after YC PCB reviews the Gerber files, drill files, stack-up, quantity and delivery requirements.<\/p>\n<\/div>\n<div class=\"parameter-grid\">\n<article class=\"parameter-card\">\n<div class=\"parameter-media\"><img alt=\"standard multilayer PCB manufacturing capability chart\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/Standard-Multylayer-PCB-Capability.png\"\/><\/div>\n<div class=\"parameter-body\"><h3>Standard Multilayer PCB Capability<\/h3><p>Layer count, material, copper weight, surface finish, solder mask and testing support.<\/p><\/div>\n<\/article>\n<article class=\"parameter-card\">\n<div class=\"parameter-media\"><img alt=\"HDI PCB capability chart for blind buried and laser via review\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/PCB-Capability.png\"\/><\/div>\n<div class=\"parameter-body\"><h3>HDI Multilayer PCB Capability<\/h3><p>HDI structure, blind \/ buried via, laser via, BGA routing and stack-up review points.<\/p><\/div>\n<\/article>\n<article class=\"parameter-card\">\n<div class=\"parameter-media\"><img alt=\"PCB solder mask color and surface finish option guide\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/FR4-PCB-Type.png\"\/><\/div>\n<div class=\"parameter-body\"><h3>Solder Mask &amp; Surface Finish Options<\/h3><p>Available options include common solder mask colors together with HASL, OSP, ENIG, immersion gold and gold finger finishes.<\/p><\/div>\n<\/article>\n<article class=\"parameter-card\">\n<div class=\"parameter-media\"><img alt=\"PCB quality control flow from material inspection to final testing\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/FR4-PCB-Quaility-Control.png\"\/><\/div>\n<div class=\"parameter-body\"><h3>Quality Control Flow<\/h3><p>IQC, inner layer AOI, IPQC, electrical test, final QA, packing and outgoing check.<\/p><\/div>\n<\/article>\n<\/div>\n<div class=\"parameter-alt-list\">\n<style>\n  .capability-table-grid {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 22px;\n    margin-top: 28px;\n  }\n\n  .capability-table-card {\n    background: #fff;\n    border-radius: 24px;\n    overflow: hidden;\n    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.07);\n  }\n\n  .capability-table-media {\n    width: 100%;\n    aspect-ratio: 4 \/ 5;\n    background: #f8fafc;\n    overflow: hidden;\n  }\n\n  .capability-table-media img {\n    width: 100%;\n    height: 100%;\n    object-fit: contain;\n    display: block;\n  }\n\n  .capability-table-body {\n    padding: 20px 22px 24px;\n  }\n\n  .capability-table-body h3 {\n    margin: 0 0 10px;\n    font-size: 18px;\n    line-height: 1.3;\n    color: #0f172a;\n    font-weight: 800;\n  }\n\n  .capability-table-body p {\n    margin: 0;\n    font-size: 14px;\n    line-height: 1.65;\n    color: #64748b;\n  }\n\n  .capability-table-points {\n    display: grid;\n    gap: 8px;\n    margin-top: 14px;\n  }\n\n  .capability-table-points span {\n    display: block;\n    padding: 9px 11px;\n    border-radius: 12px;\n    background: #f8fafc;\n    color: #334155;\n    font-size: 13px;\n    font-weight: 650;\n  }\n\n  @media (max-width: 980px) {\n    .capability-table-grid {\n      grid-template-columns: 1fr;\n    }\n  }\n<\/style>\n<div class=\"capability-table-grid\">\n<article class=\"capability-table-card\">\n<div class=\"capability-table-media\">\n<img alt=\"standard multilayer PCB capability chart for engineering review\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/Standard-Multylayer-PCB-Capability.png\"\/>\n<\/div>\n<div class=\"capability-table-body\">\n<h3>Standard Multilayer PCB Capability<\/h3>\n<p>\n        Standard multilayer PCB projects can be reviewed for layer count, board thickness, copper weight, material selection, surface finish, drilling, routing and electrical testing.\n      <\/p>\n<div class=\"capability-table-points\">\n<span>Layer count, material and board thickness review<\/span>\n<span>Surface finish, solder mask and copper options<\/span>\n<span>Electrical test, AOI and X-Ray review support<\/span>\n<\/div>\n<\/div>\n<\/article>\n<article class=\"capability-table-card\">\n<div class=\"capability-table-media\">\n<img alt=\"HDI PCB capability chart for high density interconnect projects\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/PCB-Capability.png\"\/>\n<\/div>\n<div class=\"capability-table-body\">\n<h3>HDI PCB Capability<\/h3>\n<p>\n        HDI projects can be reviewed for build-up structure, blind \/ buried vias, laser via diameter, BGA routing, trace \/ space requirements and surface finish.\n      <\/p>\n<div class=\"capability-table-points\">\n<span>HDI build-up and stack-up review<\/span>\n<span>Laser via, blind via and buried via options<\/span>\n<span>BGA routing and high-density interconnect support<\/span>\n<\/div>\n<\/div>\n<\/article>\n<article class=\"capability-table-card\">\n<div class=\"capability-table-media\">\n<img alt=\"rigid flex PCB capability chart for related engineering review\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/07\/Rigid-Flex-PCB-Capability.png\"\/>\n<\/div>\n<div class=\"capability-table-body\">\n<h3>Rigid-Flex PCB Capability<\/h3>\n<p>\n        Rigid-flex projects can be reviewed for PI and FR4 materials, flex layer count, finished thickness, coverlay, stiffeners, bend-area design and surface finish.\n      <\/p>\n<div class=\"capability-table-points\">\n<span>PI + FR4 rigid-flex structure review<\/span>\n<span>Coverlay, stiffener and bend-area design support<\/span>\n<span>Surface finish and contact area process options<\/span>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"soft-section\" id=\"manufacturing-process\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Manufacturing Process<\/div>\n<h2>Multilayer PCB Manufacturing Process<\/h2>\n<\/div>\n<p>From file review to final shipment, YC PCB focuses on manufacturability, stack-up control, layer reliability, process selection and final electrical testing.<\/p>\n<\/div>\n<div class=\"process-grid\">\n<div class=\"process-card\"><div class=\"process-num\">01<\/div><h3>File Review<\/h3><p>Review Gerber files, drill files, layer count, impedance target, copper balance and manufacturability before production.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">02<\/div><h3>Material Preparation<\/h3><p>Confirm FR4, high-Tg material, copper thickness, board thickness and surface finish route according to the application.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">03<\/div><h3>Inner Layer Imaging<\/h3><p>Transfer inner layer circuits and inspect patterns before multilayer lamination.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">04<\/div><h3>Lamination<\/h3><p>Press inner layers, prepreg and copper foil under controlled process conditions to form a stable multilayer stack-up.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">05<\/div><h3>CNC Drilling<\/h3><p>Process through holes, vias and mechanical holes according to drilling data and board requirements.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">06<\/div><h3>Copper Plating<\/h3><p>Build conductive interconnections between layers through plated holes and via structures.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">07<\/div><h3>Outer Layer Etching<\/h3><p>Form outer layer circuits and inspect trace quality before solder mask processing.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">08<\/div><h3>Solder Mask<\/h3><p>Apply solder mask and silkscreen according to color, assembly and inspection requirements.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">09<\/div><h3>Surface Finish<\/h3><p>Apply HASL, OSP, ENIG, immersion gold or gold finger finish based on project needs.<\/p><\/div>\n<div class=\"process-card\"><div class=\"process-num\">10<\/div><h3>Final Test<\/h3><p>Complete electrical testing, final inspection, packing confirmation and shipment support.<\/p><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"quality-control\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Quality Control Flow<\/div>\n<h2>Quality Control Flow for Multilayer PCB Projects<\/h2>\n<\/div>\n<p>For multilayer PCB buyers, quality confidence comes from material inspection, inner layer control, in-process inspection, electrical testing and documented final review.<\/p>\n<\/div>\n<div class=\"qc-timeline\">\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"incoming PCB laminate and copper raw material inspection\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/QC\u68c0\u677f1.jpg\"\/><\/div><h3>IQC<\/h3><p>Incoming material inspection for laminate, copper foil and key production materials.<\/p><\/div>\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"inner layer automated optical inspection for multilayer PCB\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/8%EF%BC%8CAOI--scaled.webp\"\/><\/div><h3>Inner AOI<\/h3><p>Inspect inner layer circuit patterns before multilayer lamination.<\/p><\/div>\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"in process PCB exposure and pattern control inspection\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/02\/E-test-2.jpg\"\/><\/div><h3>IPQC<\/h3><p>Control key production steps during drilling, plating, imaging and solder mask processing.<\/p><\/div>\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"electrical testing for PCB open and short circuit verification\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/05\/E-test.png\"\/><\/div><h3>E-Test<\/h3><p>Electrical testing to check open and short circuit risks before final release.<\/p><\/div>\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"final quality control inspection for finished PCB boards\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/23%EF%BC%8CFQC-scaled.webp\"\/><\/div><h3>FQC<\/h3><p>Final quality control for appearance, dimensions, workmanship and order requirements.<\/p><\/div>\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"first article quality assurance report for PCB production review\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/05\/First-Article-Report.png\"\/><\/div><h3>FQA<\/h3><p>Final quality assurance review before packing and delivery arrangement.<\/p><\/div>\n<div class=\"qc-card\"><div class=\"qc-icon\"><img alt=\"PCB production testing packing and delivery record reference\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/06\/12-Month-Delivery-Dataset-1.png\"\/><\/div><h3>Records<\/h3><p>Testing, packing and shipment records can be provided according to project requirements.<\/p><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"soft-section\" id=\"factory-equipment\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Factory Equipment<\/div>\n<h2>PCB Manufacturing and Inspection Equipment<\/h2>\n<\/div>\n<p>YC PCB uses CNC drilling, lamination, exposure, etching, AOI, solder mask, routing and electrical testing equipment to support multilayer PCB fabrication and inspection.<\/p>\n<\/div>\n<div class=\"equipment-grid\">\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"CNC drilling machine for multilayer PCB via and hole processing\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/20%EF%BC%8Cdrilling-machine-scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>CNC Drilling Machine<\/h3><p>Drilling and via hole processing for multilayer PCB production.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"multilayer PCB laminating machine for controlled stack up pressing\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/12%EF%BC%8CLaminating-machine-scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>Laminating Machine<\/h3><p>Layer bonding and stack-up pressing for multilayer structures.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"PCB exposure machine for circuit pattern transfer\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/4%EF%BC%8CExposure-machine-scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>Exposure Machine<\/h3><p>Pattern transfer for inner and outer layer circuit formation.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"PCB etching machine for controlled copper circuit formation\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/6%EF%BC%8CEtching-Machine-scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>Etching Line<\/h3><p>Copper pattern formation for controlled circuit geometry.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"AOI inspection equipment for PCB circuit pattern quality\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/8%EF%BC%8CAOI--scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>AOI Inspection<\/h3><p>Automated optical inspection for circuit pattern quality.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"PCB solder mask processing line for circuit protection\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/9%EF%BC%8Csolder-mask-scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>Solder Mask Line<\/h3><p>Solder mask processing for protection and final appearance.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"CNC routing machine for PCB outline and mechanical processing\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/18%EF%BC%8CCNC-machine--scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>CNC Routing \/ V-Cut<\/h3><p>Shape processing, panel separation and mechanical routing.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"automatic electrical testing machine for PCB open and short testing\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/22%EF%BC%8CAutomatic-testing-machine--scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>Electrical Testing Machine<\/h3><p>Open \/ short circuit testing before final delivery.<\/p><\/div><\/article>\n<article class=\"equipment-card\"><div class=\"equipment-media\"><img alt=\"YC PCB factory workshop and production area\" class=\"image-cover replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/17\uff0cV-cutting-machine-scaled.webp\"\/><\/div><div class=\"equipment-body\"><h3>Workshop Production Area<\/h3><p>Production and inspection area for PCB manufacturing project review.<\/p><\/div><\/article>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"applications\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Applications<\/div>\n<h2>Multilayer PCB Applications Across Advanced Electronics<\/h2>\n<\/div>\n<p>YC PCB supports multilayer PCB projects where routing density, signal stability, solderability, inspection and delivery consistency are important.<\/p>\n<\/div>\n<div class=\"app-grid\">\n<div class=\"app-card\"><h3>Communication &amp; 5G<\/h3><p>High-speed signal routing, controlled impedance and stable stack-up requirements.<\/p><div class=\"recommend\">Recommended: HDI PCB \/ Impedance Control PCB<\/div><\/div>\n<div class=\"app-card\"><h3>Data Center &amp; Server<\/h3><p>High layer count, dense routing and power integrity requirements.<\/p><div class=\"recommend\">Recommended: 16\u201332 layer multilayer PCB<\/div><\/div>\n<div class=\"app-card\"><h3>Automotive Electronics<\/h3><p>Long-term reliability, vibration consideration and stable solderability.<\/p><div class=\"recommend\">Recommended: ENIG \/ Heavy Copper PCB<\/div><\/div>\n<div class=\"app-card\"><h3>Industrial Control<\/h3><p>Repeatable quality, electrical testing and stable batch production.<\/p><div class=\"recommend\">Recommended: FR4 Multilayer PCB<\/div><\/div>\n<div class=\"app-card\"><h3>Medical Electronics<\/h3><p>Clean finish, traceability and careful quality review for sensitive devices.<\/p><div class=\"recommend\">Recommended: ENIG \/ Immersion Gold PCB<\/div><\/div>\n<div class=\"app-card\"><h3>Consumer &amp; High-Reliability Electronics<\/h3><p>Compact board design, stable assembly and custom appearance requirements.<\/p><div class=\"recommend\">Recommended: HDI \/ Custom Multilayer PCB<\/div><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"soft-section\" id=\"certificates\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">Certificates &amp; Documents<\/div>\n<h2>Certificates and Quality Documents for Buyer Review<\/h2>\n<\/div>\n<p>Available project documents may include quality-system certificates, compliance documents, electrical test reports, packing records and shipment records, subject to the confirmed order requirements.<\/p>\n<\/div>\n<div class=\"cert-grid\">\n<article class=\"cert-card\"><div class=\"cert-image\"><img alt=\"YC PCB ISO 9001 quality management system certificate\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/06\/ISO-9001.png\"\/><\/div><h3>ISO 9001<\/h3><p>Quality management system<\/p><\/article>\n<article class=\"cert-card\"><div class=\"cert-image\"><img alt=\"YC PCB UL certification document\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/06\/UL.png\"\/><\/div><h3>UL<\/h3><p>UL certification document<\/p><\/article>\n<article class=\"cert-card\"><div class=\"cert-image\"><img alt=\"YC PCB RoHS compliance document\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/06\/Rohs.png\"\/><\/div><h3>RoHS<\/h3><p>Compliance document support<\/p><\/article>\n<article class=\"cert-card\"><div class=\"cert-image\"><img alt=\"YC PCB company certification and qualification document\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2024\/10\/%E8%AE%A4%E8%AF%81.png\"\/><\/div><h3>Company Certifications<\/h3><p>Available qualification documents<\/p><\/article>\n<article class=\"cert-card\"><div class=\"cert-image\"><img alt=\"PCB electrical test report document\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2026\/06\/%E6%B5%8B%E8%AF%95%E6%8A%A5%E5%91%8A.png\"\/><\/div><h3>Electrical Test Report<\/h3><p>Project-based quality document<\/p><\/article>\n<article class=\"cert-card\"><div class=\"cert-image\"><img alt=\"PCB packing and shipment record before delivery\" class=\"replace-img\" decoding=\"async\" loading=\"lazy\" onerror=\"this.onerror=null;this.src='https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/09\/11High-Density-Multilayer-rigid-PCB-scaled.webp';\" src=\"https:\/\/ycpcbs.com\/wp-content\/uploads\/2025\/08\/PCB-%E5%8C%85%E8%A3%857.webp\"\/><\/div><h3>Packing \/ Shipment Record<\/h3><p>Order delivery proof when required<\/p><\/article>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"rfq\">\n<div class=\"container\">\n<div class=\"section-head\">\n<div>\n<div class=\"eyebrow\">RFQ Process<\/div>\n<h2>How to Start a Multilayer PCB Order<\/h2>\n<\/div>\n<p>Multilayer PCB quotation depends on files, stack-up, board size, copper thickness, surface finish, quantity and lead time. Please prepare the following details to speed up engineering review.<\/p>\n<\/div>\n<div class=\"order-flow\">\n<div class=\"flow-step\"><strong>01 Send Files<\/strong><span>Gerber, drill file, stack-up and special notes.<\/span><\/div>\n<div class=\"flow-step\"><strong>02 Engineering Review<\/strong><span>DFM, impedance, material and process feasibility check.<\/span><\/div>\n<div class=\"flow-step\"><strong>03 Quote Confirmation<\/strong><span>Confirm price, lead time, testing route and shipping method.<\/span><\/div>\n<div class=\"flow-step\"><strong>04 Production &amp; Delivery<\/strong><span>Prototype, sample confirmation, batch production and final shipment.<\/span><\/div>\n<\/div>\n<div class=\"rfq-layout\">\n<div class=\"rfq-check-card\">\n<h3>What to Provide for Quotation<\/h3>\n<div class=\"rfq-check-list\">\n<div><b>\u2713<\/b> Gerber file and drill file<\/div>\n<div><b>\u2713<\/b> PCB stack-up and board thickness<\/div>\n<div><b>\u2713<\/b> Copper thickness and surface finish<\/div>\n<div><b>\u2713<\/b> Solder mask color and silkscreen color<\/div>\n<div><b>\u2713<\/b> Quantity and target delivery date<\/div>\n<div><b>\u2713<\/b> BOM and assembly details if PCBA is needed<\/div>\n<\/div>\n<\/div>\n\n<div class=\"rfq-form-card\">\n  <div class=\"eyebrow\">Project Submission<\/div>\n  <h3>Send Your Multilayer PCB Requirements<\/h3>\n  <p style=\"margin-top:12px;color:#475569;line-height:1.7;\">\n    Submit your contact details and project requirements through our quick inquiry form.\n    For Gerber files, drill data, stack-up, impedance tables, BOM or other attachments,\n    email them directly to our engineering team.\n  <\/p>\n  <div class=\"btn-row\" style=\"margin-top:22px;\">\n    <a class=\"btn btn-primary\" href=\"https:\/\/wa.me\/8613827881651\" target=\"_blank\" rel=\"noopener\">Send Project Requirements<\/a>\n    <a class=\"btn btn-secondary\" href=\"mailto:sales@ycelectronic.com\">Email PCB Files<\/a>\n  <\/div>\n  <p style=\"margin-top:14px;font-size:13px;color:#64748b;\">\n    Email:\n    <a href=\"mailto:sales@ycelectronic.com\" style=\"color:#166534;font-weight:800;\">\n      sales@ycelectronic.com\n    <\/a>\n  <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"soft-section\" id=\"faq\">\n<div class=\"container\">\n<div class=\"center-head\">\n<div class=\"eyebrow\">FAQ<\/div>\n<h2>Frequently Asked Questions About Multilayer PCB Manufacturing<\/h2>\n<p>Common questions buyers ask before sending files for quotation.<\/p>\n<\/div>\n<div class=\"faq-wrap\">\n<details><summary>What files should I send for multilayer PCB quotation?<\/summary><div class=\"detail-text\">Please send Gerber files, drill file, stack-up, board size, copper thickness, surface finish, solder mask color, quantity and delivery requirements. If PCBA is needed, please also send BOM and assembly notes.<\/div><\/details>\n<details><summary>Can YC PCB review HDI or impedance control projects?<\/summary><div class=\"detail-text\">Yes. YC PCB can review HDI, blind via, buried via and impedance control requirements based on your Gerber file, stack-up and target performance.<\/div><\/details>\n<details><summary>Do you support prototype and mass production?<\/summary><div class=\"detail-text\">Yes. YC PCB supports prototype from 1 pc, small-batch production and mass production. Lead time and pricing depend on layer count, materials, process and quantity.<\/div><\/details>\n<details><summary>Which surface finish should I choose?<\/summary><div class=\"detail-text\">ENIG and immersion gold are often selected for fine-pitch SMT, BGA and high-reliability assembly. HASL and OSP may be suitable for standard or cost-sensitive projects. YC PCB engineers can recommend the finish after reviewing your application.<\/div><\/details>\n<details><summary>Can I request testing records or packing proof?<\/summary><div class=\"detail-text\">Electrical testing is part of PCB quality control. AOI, X-Ray inspection, packing photos or shipment records can be discussed based on project requirements.<\/div><\/details>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"final-cta\">\n<div class=\"container\">\n<h2>Need a Reliable Multilayer PCB Manufacturer for Your Next Project?<\/h2>\n<p>Send your Gerber files, stack-up, material requirement, quantity and target lead time. YC PCB engineers will review your files and provide a practical production suggestion.<\/p>\n<div class=\"btn-row\" style=\"justify-content:center;\">\n<a class=\"btn btn-primary\"\n   href=\"#ycpcbs-contact-popup\"\n   style=\"color: #ffffff;\">\n  Send Gerber for Review\n<\/a>\n<a class=\"btn btn-secondary\" href=\"mailto:sales@ycelectronic.com\">Email: sales@ycelectronic.com<\/a>\n<\/div>\n<\/div>\n<\/section>\n\n<!-- YC PCB Unified Contact Popup -->\n<div class=\"ycpcbs-contact-popup\" id=\"ycpcbs-contact-popup\">\n  <div\n    class=\"ycpcbs-popup-dialog\"\n    role=\"dialog\"\n    aria-modal=\"true\"\n    aria-labelledby=\"ycpcbs-popup-title\"\n  >\n    <a class=\"ycpcbs-popup-close\" href=\"#\" aria-label=\"Close contact form\">\u00d7<\/a>\n\n    <div class=\"ycpcbs-popup-head\">\n      <div class=\"eyebrow\">Quick Project Inquiry<\/div>\n      <h3 id=\"ycpcbs-popup-title\">Send Your Multilayer PCB Requirements<\/h3>\n      <p>\n        Tell us what you need. For Gerber files, drill data, stack-up,\n        impedance tables, BOM, assembly drawings or other attachments,\n        email them directly to sales@ycelectronic.com after submitting this form.\n      <\/p>\n    <\/div>\n\n    <form\n      id=\"ycpcbs-contact-form\"\n      data-endpoint=\"https:\/\/ycpcbs.com\/wp-json\/zeroy\/v1\/submissions\"\n    >\n      <div class=\"ycpcbs-popup-field\">\n        <label for=\"ycpcbs-name\">Name<\/label>\n        <input\n          id=\"ycpcbs-name\"\n          name=\"name\"\n          type=\"text\"\n          placeholder=\"Your name\"\n          required\n        \/>\n      <\/div>\n\n      <div class=\"ycpcbs-popup-field\">\n        <label for=\"ycpcbs-phone\">Email \/ WhatsApp \/ Phone<\/label>\n        <input\n          id=\"ycpcbs-phone\"\n          name=\"phone\"\n          type=\"text\"\n          placeholder=\"Email, WhatsApp or phone number\"\n          required\n        \/>\n      <\/div>\n\n      <div class=\"ycpcbs-popup-field\">\n        <label for=\"ycpcbs-message\">Project Requirements<\/label>\n        <textarea\n          id=\"ycpcbs-message\"\n          name=\"message\"\n          placeholder=\"Please include layer count, board size, material, finished thickness, copper weight, surface finish, HDI \/ impedance requirements, quantity, PCBA needs and target delivery time.\"\n          required\n        ><\/textarea>\n      <\/div>\n\n      <input\n        type=\"text\"\n        name=\"_zeroy_hp\"\n        value=\"\"\n        tabindex=\"-1\"\n        autocomplete=\"off\"\n        aria-hidden=\"true\"\n        style=\"display:none !important;\"\n      \/>\n\n      <input\n        type=\"hidden\"\n        name=\"_zeroy_redirect\"\n        value=\"https:\/\/ycpcbs.com\/thank-you-2\/\"\n      \/>\n\n      <button class=\"ycpcbs-popup-submit\" type=\"submit\">\n        Send Project Requirements\n      <\/button>\n\n      <div class=\"ycpcbs-popup-note\">\n        Need to send Gerber, stack-up, BOM or drawings?\n        <a href=\"mailto:sales@ycelectronic.com\">sales@ycelectronic.com<\/a>\n      <\/div>\n    <\/form>\n  <\/div>\n<\/div>\n\n<script>\ndocument.addEventListener('DOMContentLoaded', function () {\n  const form = document.getElementById('<a href=\"\/about\/\" style=\"font-weight:bold;color:var(--e-global-color-primary,#0058e6);text-decoration:underline;\">ycpcb<\/a>s-contact-form');\n\n  if (!form) return;\n\n  form.addEventListener('submit', async function (event) {\n    event.preventDefault();\n\n    const submitButton = form.querySelector('[type=\"submit\"]');\n    const originalButtonText = submitButton ? submitButton.textContent : '';\n\n    if (submitButton) {\n      submitButton.disabled = true;\n      submitButton.textContent = 'Sending...';\n    }\n\n    try {\n      const endpoint =\n        form.dataset.endpoint ||\n        'https:\/\/ycpcbs.com\/wp-json\/zeroy\/v1\/submissions';\n\n      const formData = new FormData(form);\n\n      const response = await fetch(endpoint, {\n        method: 'POST',\n        body: formData\n      });\n\n      let result = null;\n\n      try {\n        result = await response.json();\n      } catch (jsonError) {\n        throw new Error('Invalid response from the submission service.');\n      }\n\n      if (result && result.success === true) {\n        window.location.href = 'https:\/\/ycpcbs.com\/thank-you-2\/';\n        return;\n      }\n\n      throw new Error(\n        (result && result.data && result.data.message) ||\n        (result && result.message) ||\n        'Submission failed.'\n      );\n\n    } catch (error) {\n      console.error('Zeroy submission error:', error);\n\n      alert(\n        'Submission failed. Please try again or email your project to sales@ycelectronic.com.'\n      );\n\n      if (submitButton) {\n        submitButton.disabled = false;\n        submitButton.textContent = originalButtonText;\n      }\n    }\n  });\n});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>MULTILAYER PCB SOLUTIONS Multilayer PCB Manufacturer HDI, ENIG, Gold Finger and Impedance-Controlled PCB Fabrication YC PCB supports custom multilayer PCB fabrication for telecom equipment, data centers, industrial control systems, automotive electronics and high-reliability electronic projects. Send Gerber files, stack-up requirements and quantity details for engineering review, DFM check and official quotation. \u2713Free DFM review for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_titles_title":"Multilayer PCB Manufacturer | 4-40 Layer PCB Fabrication \u2013 YC PCB","_seopress_titles_desc":"Custom multilayer PCB manufacturer. 4-40 layer FR4 PCBs with ENIG, immersion gold, OSP finishes. Blind\/buried vias, impedance control. ISO 9001 certified. 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