{"product_id":"4d-armrest-set-for-ec200-ergonomic-chair","title":"4D Armrest Set for EC200 Ergonomic Chair","description":"\u003csection class=\"ec200-armrest-page\"\u003e\n  \u003cstyle\u003e\n    .ec200-armrest-page {\n      --primary: #f4a430;\n      --brand-bg: #FAFAFA;\n      --text: #201F1C;\n      --muted: #666;\n      --line: #e8e8e8;\n      --card: #fff;\n      font-family: Poppins, Arial, sans-serif;\n      color: var(--text);\n      background: var(--brand-bg);\n    }\n\n    .ec200-armrest-page * {\n      box-sizing: border-box;\n    }\n\n    .ec200-container {\n      max-width: 1280px;\n      margin: 0 auto;\n      padding: 80px 24px;\n    }\n\n    .ec200-hero {\n      display: grid;\n      grid-template-columns: 1.05fr 0.95fr;\n      gap: 72px;\n      align-items: center;\n    }\n\n    .ec200-hero-image img,\n    .ec200-feature-image img,\n    .ec200-card img,\n    .ec200-compat-image img {\n      width: 100%;\n      display: block;\n      border-radius: 24px;\n    }\n\n    .ec200-eyebrow {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      margin-bottom: 18px;\n      padding: 8px 16px;\n      border-radius: 999px;\n      background: rgba(244, 164, 48, 0.12);\n      color: var(--primary);\n      font-size: 14px;\n      font-weight: 600;\n      letter-spacing: 0.02em;\n    }\n\n    .ec200-title {\n      margin: 0 0 20px;\n      font-size: clamp(36px, 5vw, 64px);\n      line-height: 1.08;\n      letter-spacing: -0.04em;\n      font-weight: 700;\n    }\n\n    .ec200-subtitle {\n      margin: 0 0 28px;\n      font-size: clamp(16px, 2vw, 20px);\n      line-height: 1.65;\n      color: var(--muted);\n      max-width: 560px;\n    }\n\n    .ec200-bullets {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 14px;\n      margin: 0;\n      padding: 0;\n      list-style: none;\n    }\n\n    .ec200-bullets li {\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      font-size: 15px;\n      color: #333;\n    }\n\n    .ec200-check {\n      width: 20px;\n      height: 20px;\n      flex: 0 0 20px;\n      border-radius: 50%;\n      background: var(--primary);\n      position: relative;\n    }\n\n    .ec200-check::after {\n      content: \"\";\n      position: absolute;\n      left: 6px;\n      top: 4px;\n      width: 6px;\n      height: 10px;\n      border: solid #fff;\n      border-width: 0 2px 2px 0;\n      transform: rotate(45deg);\n    }\n\n    .ec200-section-heading {\n      text-align: center;\n      max-width: 760px;\n      margin: 0 auto 48px;\n    }\n\n    .ec200-section-heading h2 {\n      margin: 0 0 14px;\n      font-size: clamp(30px, 4vw, 48px);\n      line-height: 1.15;\n      letter-spacing: -0.03em;\n    }\n\n    .ec200-section-heading p {\n      margin: 0;\n      font-size: 17px;\n      line-height: 1.6;\n      color: var(--muted);\n    }\n\n    .ec200-4d-grid {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 20px;\n    }\n\n    .ec200-card {\n      background: var(--card);\n      border-radius: 24px;\n      padding: 16px 16px 24px;\n      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.04);\n    }\n\n    .ec200-card h3 {\n      margin: 20px 0 8px;\n      font-size: 20px;\n      line-height: 1.25;\n    }\n\n    .ec200-card p {\n      margin: 0;\n      font-size: 14px;\n      line-height: 1.55;\n      color: var(--muted);\n    }\n\n    .ec200-split {\n      display: grid;\n      grid-template-columns: 0.9fr 1.1fr;\n      gap: 72px;\n      align-items: center;\n    }\n\n    .ec200-split h2,\n    .ec200-table-section h2,\n    .ec200-faq h2 {\n      margin: 0 0 18px;\n      font-size: clamp(30px, 4vw, 48px);\n      line-height: 1.15;\n      letter-spacing: -0.03em;\n    }\n\n    .ec200-split p {\n      margin: 0 0 24px;\n      font-size: 17px;\n      line-height: 1.65;\n      color: var(--muted);\n    }\n\n    .ec200-mini-list {\n      display: grid;\n      gap: 14px;\n      margin: 0;\n      padding: 0;\n      list-style: none;\n    }\n\n    .ec200-mini-list li {\n      padding-left: 20px;\n      position: relative;\n      color: #333;\n      line-height: 1.5;\n    }\n\n    .ec200-mini-list li::before {\n      content: \"\";\n      width: 8px;\n      height: 8px;\n      border-radius: 50%;\n      background: var(--primary);\n      position: absolute;\n      left: 0;\n      top: 9px;\n    }\n\n    .ec200-table-wrap {\n      overflow-x: auto;\n      background: #fff;\n      border-radius: 24px;\n      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.04);\n    }\n\n    .ec200-table {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 720px;\n    }\n\n    .ec200-table th,\n    .ec200-table td {\n      padding: 22px 24px;\n      text-align: left;\n      border-bottom: 1px solid var(--line);\n      vertical-align: top;\n      font-size: 15px;\n      line-height: 1.55;\n    }\n\n    .ec200-table th {\n      background: #f7f7f7;\n      font-weight: 700;\n    }\n\n    .ec200-table tr:last-child td {\n      border-bottom: none;\n    }\n\n    .ec200-tag {\n      display: inline-block;\n      padding: 6px 12px;\n      border-radius: 999px;\n      background: rgba(244, 164, 48, 0.12);\n      color: var(--primary);\n      font-weight: 700;\n    }\n\n    .ec200-compat {\n      display: grid;\n      grid-template-columns: 1fr 1fr;\n      gap: 48px;\n      align-items: center;\n      background: #fff;\n      border-radius: 32px;\n      padding: 48px;\n      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.04);\n    }\n\n    .ec200-notice {\n      margin-top: 24px;\n      padding: 18px 20px;\n      border-radius: 16px;\n      background: rgba(244, 164, 48, 0.12);\n      font-size: 15px;\n      line-height: 1.6;\n    }\n\n    .ec200-faq-list {\n      display: grid;\n      gap: 14px;\n    }\n\n    .ec200-faq-item {\n      background: #fff;\n      border-radius: 18px;\n      padding: 24px 28px;\n      box-shadow: 0 8px 28px rgba(0, 0, 0, 0.035);\n    }\n\n    .ec200-faq-item h3 {\n      margin: 0 0 10px;\n      font-size: 18px;\n    }\n\n    .ec200-faq-item p {\n      margin: 0;\n      font-size: 15px;\n      line-height: 1.6;\n      color: var(--muted);\n    }\n\n    @media (max-width: 980px) {\n      .ec200-hero,\n      .ec200-split,\n      .ec200-compat {\n        grid-template-columns: 1fr;\n        gap: 36px;\n      }\n\n      .ec200-4d-grid {\n        grid-template-columns: repeat(2, 1fr);\n      }\n    }\n\n    @media (max-width: 640px) {\n      .ec200-container {\n        padding: 56px 18px;\n      }\n\n      .ec200-bullets,\n      .ec200-4d-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .ec200-compat {\n        padding: 28px;\n      }\n    }\n  \u003c\/style\u003e\n\n  \u003c!-- Section 1: Hero --\u003e\n  \u003cdiv class=\"ec200-container ec200-hero\"\u003e\n    \u003cdiv class=\"ec200-hero-image\"\u003e\n      \u003c!-- Replace with your final upgrade comparison image --\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/4D_Armrest_Set0.png?v=1778666135\" alt=\"EC200 chair upgraded from standard 2D armrests to 4D adjustable armrests\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec200-hero-copy\"\u003e\n      \u003ch1 class=\"ec200-title\"\u003eUpgrade Your EC200 with 4D Armrests\u003c\/h1\u003e\n      \u003cp class=\"ec200-subtitle\"\u003eUpgrade from standard 2D armrests to enhanced 4D adjustable support for a more flexible and comfortable seating experience.\u003c\/p\u003e\n      \n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 2: Four adjustment images --\u003e\n  \u003cdiv class=\"ec200-container\"\u003e\n    \u003cdiv class=\"ec200-section-heading\"\u003e\n      \u003ch2\u003eFully Adjustable 4D Support\u003c\/h2\u003e\n      \u003cp\u003eFine-tune your arm position for different sitting styles, desk heights, and daily working habits.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec200-4d-grid\"\u003e\n      \u003cdiv class=\"ec200-card\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/4D_Armrest_Set1.jpg?v=1778666133\" alt=\"EC200 4D armrest height adjustment\"\u003e\n        \u003ch3\u003eHeight Adjustment\u003c\/h3\u003e\n        \u003cp\u003eRaise or lower the armrests for better desk alignment.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-card\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/4D_Armrest_Set2.jpg?v=1778666133\" alt=\"EC200 4D armrest forward and backward adjustment\"\u003e\n        \u003ch3\u003eForward \u0026amp; Backward\u003c\/h3\u003e\n        \u003cp\u003eSlide the armrests to support your forearms naturally.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-card\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/4D_Armrest_Set3.jpg?v=1778666133\" alt=\"EC200 4D armrest left and right adjustment\"\u003e\n        \u003ch3\u003eLeft \u0026amp; Right\u003c\/h3\u003e\n        \u003cp\u003eAdjust the position to fit different body types and postures.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-card\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/4D_Armrest_Set4.png?v=1778666135\" alt=\"EC200 4D armrest angle rotation adjustment\"\u003e\n        \u003ch3\u003eAngle Rotation\u003c\/h3\u003e\n        \u003cp\u003eRotate inward or outward for a more natural arm position.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 3: Comfort surface --\u003e\n  \u003cdiv class=\"ec200-container ec200-split\"\u003e\n    \u003cdiv\u003e\n      \u003ch2\u003eComfortable Arm Support for Long Hours\u003c\/h2\u003e\n      \u003cp\u003eThe smooth padded surface helps support your arms and elbows during extended work, study, or gaming sessions.\u003c\/p\u003e\n      \u003cul class=\"ec200-mini-list\"\u003e\n        \u003cli\u003eSoft-touch armrest surface\u003c\/li\u003e\n        \u003cli\u003eBetter support for arms and elbows\u003c\/li\u003e\n        \u003cli\u003eMore comfortable for daily desk use\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec200-feature-image\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/ChatGPT_Image_2026_5_13_16_06_19.png?v=1778666135\" alt=\"EC200 4D armrest comfortable padded surface\"\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 4: 2D vs 4D table --\u003e\n  \u003cdiv class=\"ec200-container ec200-table-section\"\u003e\n    \u003cdiv class=\"ec200-section-heading\"\u003e\n      \u003ch2\u003e2D vs. 4D Armrests\u003c\/h2\u003e\n      \u003cp\u003e4D armrests give you more ways to adjust your arm position, helping the chair better match your posture and workspace.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec200-table-wrap\"\u003e\n      \u003ctable class=\"ec200-table\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eType\u003c\/th\u003e\n            \u003cth\u003eAdjustment Directions\u003c\/th\u003e\n            \u003cth\u003eBest For\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003e2D Armrest\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eUp \u0026amp; down + one additional direction, such as left\/right or forward\/backward\u003c\/td\u003e\n            \u003ctd\u003eBasic arm height adjustment for everyday sitting\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003e3D Armrest\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eUp \u0026amp; down + forward\/backward + left\/right\u003c\/td\u003e\n            \u003ctd\u003eMore flexible support for different body types and desk setups\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cspan class=\"ec200-tag\"\u003e4D Armrest\u003c\/span\u003e\u003c\/td\u003e\n            \u003ctd\u003eUp \u0026amp; down + forward\/backward + left\/right + angle rotation\u003c\/td\u003e\n            \u003ctd\u003ePersonalized arm, wrist, and shoulder support for work, typing, and gaming\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 5: Compatibility --\u003e\n  \u003cdiv class=\"ec200-container\"\u003e\n    \u003cdiv class=\"ec200-compat\"\u003e\n      \u003cdiv class=\"ec200-compat-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/ChatGPT_Image_2026_5_13_17_50_07.png?v=1778666135\" alt=\"EC200 Ergonomic Chair compatibility\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cdiv class=\"ec200-eyebrow\"\u003eCompatibility Notice\u003c\/div\u003e\n        \u003ch2\u003eDesigned for EC200\u003c\/h2\u003e\n        \u003cp class=\"ec200-subtitle\"\u003eThis 4D armrest upgrade is designed for the EC200 Ergonomic Chair only. Please confirm your chair model before purchase.\u003c\/p\u003e\n        \u003cdiv class=\"ec200-notice\"\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e This product includes the replacement armrests only. Chair shown for compatibility reference.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 6: FAQ --\u003e\n  \u003cdiv class=\"ec200-container ec200-faq\"\u003e\n    \u003cdiv class=\"ec200-section-heading\"\u003e\n      \u003ch2\u003eFAQ\u003c\/h2\u003e\n      \u003cp\u003eQuick answers before you upgrade your EC200 armrests.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec200-faq-list\"\u003e\n      \u003cdiv class=\"ec200-faq-item\"\u003e\n        \u003ch3\u003eIs this compatible with other chair models?\u003c\/h3\u003e\n        \u003cp\u003eThis 4D armrest upgrade is designed for the EC200 Ergonomic Chair only. Please confirm your chair model before placing an order.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-faq-item\"\u003e\n        \u003ch3\u003eDoes this include both left and right armrests?\u003c\/h3\u003e\n        \u003cp\u003eYes. This product includes a left and right armrest pair for a complete upgrade.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-faq-item\"\u003e\n        \u003ch3\u003eWhat does 4D adjustment mean?\u003c\/h3\u003e\n        \u003cp\u003e4D adjustment means the armrests can be adjusted up and down, forward and backward, left and right, and rotated inward or outward.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-faq-item\"\u003e\n        \u003ch3\u003eIs installation required?\u003c\/h3\u003e\n        \u003cp\u003eYes. Manual installation is required. Please follow the installation instructions provided with your chair or armrest replacement kit.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec200-faq-item\"\u003e\n        \u003ch3\u003eIs this a full chair or only the armrests?\u003c\/h3\u003e\n        \u003cp\u003eThis product is for the 4D armrest upgrade only. The EC200 chair shown in images is for compatibility and demonstration purposes.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"ProtoArc","offers":[{"title":"Black","offer_id":43314311725145,"sku":"CP017295","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/ChatGPTImage2026_5_13_11_01_27_1_0f99f2c8-dd9f-4832-a7ec-5911b8b78702.png?v=1778666425","url":"https:\/\/www.protoarc.com\/products\/4d-armrest-set-for-ec200-ergonomic-chair","provider":"ProtoArc","version":"1.0","type":"link"}