:root {
      --bg-page: #d0d0d0;
      --bg-soft: #ececec;
      --bg-white: #f7f7f7;
      --text-main: #141414;
      --text-muted: #626262;
      --line-dark: #2b2b2b;
      --accent: #d8242d;
      --footer: #b99a80;
      --font-sans-cjk: "閹繃绨鎴滅秼", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --font-en: var(--font-sans-cjk);
      --font-cn: var(--font-sans-cjk);
      --side-pad: clamp(14px, 4vw, 64px);
      --section-max: 1500px;
      --section-frame: 1920px;
      --lens-asset: url('/assets/images/oem/oem1.png');
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html,
    body {
      min-height: 100%;
    }

    body {
      background: #bdbdbd;
      color: var(--text-main);
      font-family: var(--font-en);
      width: 100%;
    }

    .page {
      width: 100%;
      min-height: 100vh;
      background: #fff;
      overflow: hidden;
    }
    .hero {
      padding: clamp(68px, 8vw, 112px) var(--side-pad) clamp(14px, 2vw, 28px);
      background: var(--bg-page);
      position: relative;
    }

    .topbar {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      max-width: var(--section-max);
      margin: 0 auto;
    }

    .logo-mark {
      color: #101010;
      line-height: 1;
      letter-spacing: 1.1px;
      margin-top: 2px;
    }

    .logo-mark b {
      display: block;
      font-size: clamp(22px, 2.6vw, 38px);
      font-weight: 500;
    }

    .logo-mark span {
      display: block;
      margin-top: -2px;
      font-size: clamp(6px, 0.52vw, 10px);
      opacity: 0.78;
      letter-spacing: 1.5px;
    }

    .top-actions {
      display: flex;
      align-items: center;
      gap: clamp(10px, 1.2vw, 16px);
      margin-top: 2px;
    }

    .pill {
      width: clamp(32px, 3.2vw, 46px);
      height: clamp(14px, 1.4vw, 19px);
      border-radius: 999px;
      background: #131313;
      color: #fff;
      font-size: clamp(10px, 0.8vw, 12px);
      line-height: clamp(14px, 1.4vw, 19px);
      text-align: center;
      letter-spacing: 0.7px;
    }

    .burger {
      width: clamp(18px, 1.7vw, 24px);
      display: grid;
      gap: 4px;
    }

    .burger span {
      display: block;
      height: 1.5px;
      background: #555;
    }

    .hero-title {
      max-width: var(--section-max);
      margin: clamp(4px, 3.5vw, 0px) auto clamp(12px, 1.4vw, 18px);
      font-family: var(--font-cn);
      font-weight: 400;
      font-size: 80px;
      color: #171717;
      letter-spacing: clamp(2px, 0.45vw, 7px);
    }

    .map-wrap {
      --flow-hero-bg-image: url("/assets/images/flow/map.png"); /* replace with your full background image */
      width: 100%;
      max-width: var(--section-max);
      margin: 0 auto;
      aspect-ratio: 1615 / 821;
      height: auto;
      position: relative;
      overflow: hidden;
      background: #d0d0d0;
    }

    .map-wrap::before {
      display: none;
    }

    .world-map {
      width: 100%;
      height: auto;
      display: block;
      position: relative;
      z-index: 1;
      pointer-events: none;
    }

    .world-map-bg {
      pointer-events: none;
    }

    .route-layer {
      --route-red: #ff1d2d;
    }

    .route-layer .route-anim {
      fill: none;
      stroke: var(--route-red);
      stroke-width: 1px;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-dasharray: var(--route-len, 0);
      stroke-dashoffset: var(--route-len, 0);
    }

    .route-layer.is-ready .route-anim {
      animation: routeDraw 1.9s linear forwards;
    }

    .route-layer .route-point {
      fill: var(--route-red);
      rx: 2.4;
    }

    .route-layer text {
      fill: var(--route-red);
      font-size: 20px;
      letter-spacing: 0;
      font-weight: 400;
      font-family: var(--font-en);
      dominant-baseline: hanging;
    }

    .route-layer .route-label-center {
      text-anchor: middle;
    }

    .route-layer .note-cn {
      font-family: var(--font-cn);
      font-size: 18px;
      letter-spacing: 0;
      text-anchor: middle;
    }

    .core-advantages,
    .capabilities,
    .production,
    .technical,
    .lens-gallery {
      padding-left: var(--side-pad);
      padding-right: var(--side-pad);
    }

    .core-advantages {
      background: #fff;
      padding-top: clamp(28px, 4vw, 54px);
      padding-bottom: clamp(18px, 2.5vw, 30px);
    }

    .core-advantages-shell,
    .capabilities-shell,
    .prod-shell,
    .technical-shell,
    .lens-gallery-shell {
      width: min(100%, var(--section-frame));
      margin: 0 auto;
    }

    .core-advantages-shell {
      display: grid;
      gap: clamp(28px, 4vw, 46px);
    }

    .core-advantages-head {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: clamp(26px, 3vw, 54px);
      align-items: start;
    }

    .core-advantages-title {
      grid-column: 1 / 3;
      align-items: flex-start;
      gap: clamp(16px, 1.7vw, 24px);
    }

    .core-advantages-bar {
      flex: none;
      width: clamp(18px, 1.55vw, 26px);
      height: clamp(120px, 11vw, 160px);
      margin-top: clamp(2px, 0.3vw, 8px);
      background: linear-gradient(180deg, #3f3b47 0%, #1c1a25 100%);
    }

    .core-advantages h2,
    .prod-title-band h2,
    .technical h2,
    .flow h2 {
      font-family: var(--font-cn);
      font-weight: 300;
      text-transform: uppercase;
      line-height: 1.06;
      font-size: 50px;
      font-weight: 400;
      letter-spacing: clamp(2px, 0.48vw, 7px);
      margin:60px auto;
    }

    .core-advantages h2 {
      font-size: clamp(36px, 5.05vw, 72px);
    }

    .core-advantages-summary {
      grid-column: 3;
      width: 100%;
      padding-top: clamp(70px, 1.6vw, 26px);
    }

    .core-advantages-summary p {
      width: 100%;
      padding-bottom: clamp(18px, 1.8vw, 24px);
      border-bottom: 1px solid #000;
      color: #272727;
      font-size: clamp(12px, 1vw, 16px);
      line-height: 1.42;
      letter-spacing: 0.02em;
    }

    .core-advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: clamp(12px, 1.4vw, 18px);
    }

    .core-adv-card {
      position: relative;
      overflow: hidden;
      background: #dcdcdc;
      aspect-ratio: 1 / 1.08;
    }

    .core-adv-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      filter: saturate(0.94) contrast(1.02);
    }

    .core-adv-card--02 img {
      object-position: center 26%;
    }

    .core-adv-card--03 img {
      object-position: center 54%;
    }

    .core-adv-card figcaption {
      position: absolute;
      left: 10%;
      right: 10%;
      bottom: 8.5%;
      color: #121212;
      text-align: center;
      font-size: clamp(13px, 1.45vw, 18px);
      line-height: 1.36;
      letter-spacing: 0.12em;
      font-size:24px;
      font-weight: 600;
      text-shadow: 0 1px 14px rgba(255, 255, 255, 0.42);
    }

    .capabilities {
      background: #f3eee7;
      padding-top: clamp(42px, 4.8vw, 62px);
      padding-bottom: clamp(42px, 4.8vw, 62px);
      display: grid;
      align-content: center;
    }

    .capabilities-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: clamp(30px, 3vw, 38px) clamp(26px, 2.3vw, 34px);
    }

    .capability-card {
      position: relative;
      overflow: hidden;
      background: #fff;
      min-height: clamp(384px, 19vw, 288px);
      isolation: isolate;
    }

    .capability-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      filter: saturate(0.92) contrast(0.92) brightness(1.02);
    }

    .capability-card::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
    }

    .capability-copy {
      position: absolute;
      left: 8%;
      right: 8%;
      bottom: 11%;
      z-index: 2;
      text-align: center;
    }

    .capability-card--art .capability-copy {
      left: 10%;
      right: 10%;
      top: 50%;
      bottom: auto;
      transform: translateY(-2%);
    }

    .capability-card h3 {
      color: #111;
      font-size: clamp(17px, 1.3vw, 23px);
      line-height: 1.24;
      letter-spacing: 0.14em;
      font-weight: 400;
      text-transform: uppercase;
    }

    .capability-card p {
      margin-top: clamp(8px, 0.9vw, 12px);
      color: #cb9b74;
      font-size: clamp(10px, 0.82vw, 13px);
      line-height: 1.45;
    }

    .capability-card--photo h3,
    .capability-card--photo p {
      text-shadow: 0 1px 10px rgba(255, 255, 255, 0.42);
    }

    .production {
      background: #fff;
      padding-top: clamp(32px, 4.5vw, 56px);
      padding-bottom: clamp(28px, 4vw, 48px);
    }

    .prod-shell {
      position: relative;
      padding-bottom: clamp(22px, 2.8vw, 36px);
      isolation: isolate;
    }

    .prod-shell::before,
    .prod-shell::after {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      width: 1px;
      background: #9c8f84;
      z-index: 0;
    }

    .prod-shell::before {
      left: 7%;
    }

    .prod-shell::after {
      right: 7%;
    }

    .prod-title-band {
      position: relative;
      z-index: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: clamp(82px, 8vw, 118px);
      margin-bottom: 0px;
    }

    .prod-title-band h2 {
      font-size: 50px;
      font-weight:400;
    }

    .prod-stage {
      position: relative;
      height: clamp(500px, 48vw, 720px);
      z-index: 1;
    }

    .prod-card {
      position: absolute;
      overflow: hidden;
      background: #dadada;
      box-shadow: 0 16px 30px rgba(0, 0, 0, 0.04);
    }

    .prod-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      filter: saturate(0.9);
    }

    .prod-card figcaption {
      position: absolute;
      left: 8%;
      right: 8%;
      bottom: 8%;
      color: #fff;
      font-size: clamp(13px, 1.05vw, 18px);
      line-height: 1.35;
      letter-spacing: 0.14em;
      font-weight: 300;
      text-transform: uppercase;
      text-shadow: 0 2px 8px rgba(0, 0, 0, 0.48);
    }

    .p1 { left: 0.8%; top: 8%; width: 360px;height:380px;  }
    .p2 { left: 39.5%; top: 21%; width: 360px;height:380px; }
    .p3 { right: 0.8%; top: 6%; width: 360px;height:380px;  }
    .p4 { left: 25%; left:394px;bottom:-146px; width: 360px;height:380px;  }
    .p5 { right: 18%; bottom: -146px; width: 360px;height:380px;  }

    .p2 figcaption {
      top: 47%;
      bottom: auto;
      text-align: center;
      transform: translateY(-50%);
    }

    .p3 figcaption {
      top: 12%;
      right: 8%;
      bottom: auto;
      text-align: right;
    }

    .p4 figcaption {
      text-align: center;
    }

    .technical {
      background: #fff;
      padding-top: 0;
      padding-bottom: 0;
    }

    .technical-shell {
      display: grid;
      gap: clamp(18px, 2vw, 26px);
    }

    .technical h2 {
      width: 100%;
      margin: 0 auto clamp(20px, 2vw, 32px);
      font-size: 50px;
      font-weight: 400;
      letter-spacing: clamp(2px, 0.48vw, 7px);
      text-align: left;
    }

    .tech-view {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      column-gap: clamp(10px, 1.2vw, 18px);
      row-gap: clamp(18px, 1.6vw, 24px);
      align-items: center;
      width: min(100%, 1120px);
      margin: 0 auto;
    }

    .tech-frame {
      width: min(100%, 1040px);
      justify-self: center;
      aspect-ratio: 934 / 560;
      overflow: hidden;
      background: #dce8f1;
      position: relative;
    }

    .tech-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: opacity 0.45s ease;
    }

    .tech-dots {
      --tech-step: clamp(34px, 3.1vw, 48px);
      position: relative;
      width: clamp(26px, 2.8vw, 34px);
      height: calc(var(--tech-step) * 5);
      overflow: hidden;
      justify-self: start;
      align-self: center;
      left: 0;
    }

    .tech-dots-track {
      display: flex;
      flex-direction: column;
      align-items: center;
      will-change: transform;
      transition: transform 0.5s cubic-bezier(0.22, 0.84, 0.24, 1);
      
    }

    .tech-dot-slot {
      height: var(--tech-step);
      display: grid;
      place-items: center;
    }

    .tech-dot {
      appearance: none;
      width: 11px;
      height: 11px;
      padding: 0;
      border-radius: 50%;
      border: 1px solid #d3d3d3;
      background: #fff;
      cursor: pointer;
      transition: width 0.28s ease, height 0.28s ease, transform 0.28s ease, background 0.28s ease, border-color 0.28s ease, opacity 0.28s ease;
    }

    .tech-dot.is-near {
      width: 19px;
      height: 19px;
      border-color: #adadad;
    }

    .tech-dot.is-far {
      opacity: 0.95;
    }

    .tech-dot.active {
      width: 20px;
      height: 20px;
      background: #111;
      border-color: #111;
      transform: scale(1.04);
    }

    .tech-dot:focus-visible {
      outline: 2px solid rgba(17, 17, 17, 0.24);
      outline-offset: 3px;
    }

    .tech-caption {
      grid-column: 1 / 2;
      justify-self: center;
      width: fit-content;
      max-width: min(90%, 1000px);
      background: #fff;
      font-size: clamp(18px, 1.42vw, 30px);
      line-height: 1.18;
      text-transform: uppercase;
      text-align: left;
      font-weight: 400;
      letter-spacing: clamp(2px, 0.18vw, 5px);
      margin-bottom: 0;
    }

    .lens-gallery {
      background: #fff;
      padding-top: clamp(8px, 1vw, 18px);
      padding-bottom: clamp(28px, 4vw, 48px);
    }

    .lens-showcase {
      position: relative;
      --lens-side-offset: clamp(28px, 2.3vw, 38px);
      width: min(100%, 1380px);
      aspect-ratio: 1040 / 700;
      height: auto;
      min-height: 0;
      margin: 0 auto;
      display: grid;
      place-items: center;
      overflow: visible;
      isolation: isolate;
    }

    .lens-arc-container {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 1;
    }

    .lens-arcs {
      width: 100%;
      height: 100%;
      display: block;
      overflow: visible;
    }

    .lens-arc-path {
      fill: none;
      stroke: #2b2b2b;
      stroke-width: 1.1;
      vector-effect: non-scaling-stroke;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .lens-thumbs {
      position: absolute;
      inset: 0;
    }

    .lens-thumbs {
      z-index: 3;
      pointer-events: none;
    }

    .lens-thumbs.left {
      transform: translateX(calc(-1 * var(--lens-side-offset)));
    }

    .lens-thumbs.right {
      transform: translateX(var(--lens-side-offset));
    }

    .lens-dot {
      transform-origin: center;
    }

    .lens-dot-ring,
    .lens-dot-core {
      transition: opacity 0.24s ease, fill 0.24s ease, stroke 0.24s ease;
      vector-effect: non-scaling-stroke;
    }

    .lens-dot-ring {
      fill: #fff;
      stroke: #fff;
      stroke-width: 2;
      opacity: 1;
    }

    .lens-dot-core {
      fill: #000;
      stroke: #000;
      stroke-width: 0.4;
    }

    .lens-dot.active .lens-dot-ring {
      stroke: #ca9164;
    }

    .lens-dot.active .lens-dot-core {
      fill: #ca9164;
      stroke: #ca9164;
    }

    .lens-thumb-item {
      appearance: none;
      position: absolute;
      left: var(--thumb-x);
      top: var(--thumb-y);
      width: clamp(42px, 4vw, 58px);
      aspect-ratio: 1;
      padding: 0;
      border: none;
      background: transparent;
      border-radius: 50%;
      overflow: visible;
      cursor: pointer;
      transform: translate(-50%, -50%);
      z-index: 3;
      pointer-events: auto;
    }

    .lens-thumb-image {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      border-radius: 50%;
      clip-path: circle(49.1% at 50% 50%);
      transform-origin: center;
      transform: scale(1.05);
      opacity: 0.98;
      transition: transform 0.22s ease, filter 0.22s ease, opacity 0.22s ease;
    }

    .lens-thumb-item:hover .lens-thumb-image {
      transform: scale(1.09);
    }

    .lens-thumb-item.active .lens-thumb-image {
      transform: scale(1.08);
      opacity: 1;
    }

    .lens-thumb-item.black,
    .lens-main-image.black { }
    .lens-thumb-item.green,
    .lens-main-image.green { }
    .lens-thumb-item.brown,
    .lens-main-image.brown { }
    .lens-thumb-item.blue,
    .lens-main-image.blue {  }
    .lens-thumb-item.gray,
    .lens-main-image.gray {  }
    .lens-thumb-item.pink,
    .lens-main-image.pink {  }
    .lens-thumb-item.hazel,
    .lens-main-image.hazel { }
    .lens-thumb-item.amber,
    .lens-main-image.amber { }

    .lens-display {
      position: relative;
      z-index: 4;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: clamp(18px, 1.9vw, 28px);
      transform: translateY(-8px);
    }

    .lens-main-shell {
      position: relative;
      width: clamp(300px, 31vw, 430px);
      aspect-ratio: 1;
      display: grid;
      place-items: center;
      isolation: isolate;
    }

    .lens-main-shell::after {
      content: "";
      position: absolute;
      left: 53%;
      bottom: 13%;
      width: 50%;
      height: 18%;
      border-radius: 50%;
      transform: translateX(-6%) rotate(-9deg);
      background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.28) 0%, rgba(0, 0, 0, 0.16) 38%, rgba(0, 0, 0, 0) 72%);
      filter: blur(11px);
      z-index: -2;
    }

    .lens-main-shell::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 7.2%;
      width: 64%;
      height: 7%;
      border-radius: 50%;
      transform: translateX(-50%);
      background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.03) 46%, rgba(0, 0, 0, 0) 78%);
      filter: blur(2px);
      z-index: -2;
    }

    .lens-main-image {
      position: relative;
      width: 108%;
      height: 108%;
      display: block;
      object-fit: cover;
      border-radius: 50%;
      clip-path: circle(47.8% at 50% 49.6%);
      transform: scale(1.1);
      filter: var(--lens-filter);
    }

    .lens-name-label {
      font-size: clamp(13px, 1.25vw, 16px);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #222;
      font-family: var(--font-en);
      text-align: center;
      margin-top: 40px;
    }

    .flow {
      background: #fff;
      padding: clamp(16px, 2.4vw, 28px) var(--side-pad) clamp(28px, 4vw, 56px);
      position: relative;
    }

    .flow-vertical-line {
      position: absolute;
      width: 1px;
      height: clamp(200px, 30vw, 300px);
      background: transparent;
      overflow: hidden;
    }

    .flow-vertical-line::before {
      content: "";
      position: absolute;
      inset: 0;
      background: var(--line-dark);
      transform: scaleY(0);
    }

    .flow-vertical-line.left {
      left: clamp(20px, 5vw, 60px);
      bottom: 0;
    }

    .flow-vertical-line.left::before {
      transform-origin: bottom center;
    }

    .flow-vertical-line.right {
      right: clamp(20px, 5vw, 60px);
      top: 0px;
    }

    .flow-vertical-line.right::before {
      transform-origin: top center;
    }

    .flow.is-visible .flow-vertical-line.left::before {
      animation: flowLineUp 0.95s ease-out forwards;
    }

    .flow.is-visible .flow-vertical-line.right::before {
      animation: flowLineDown 0.95s ease-out forwards;
    }

    .flow-board {
      margin: clamp(18px, 2.5vw, 32px) auto 0;
      display: grid;
      gap: clamp(14px, 2.2vw, 26px);
      max-width: var(--section-max);
    }

    .flow-row {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 0;
      margin-top:8px;
    }

    .flow-step {
      width: 280px;
      height: 280px;
      border-radius: 50%;
      border: 1px solid var(--line-dark);
      display: grid;
      place-content: center;
      text-align: center;
      line-height: 1.25;
      letter-spacing: 0.55px;
      font-size: 18px;
      position: relative;
      padding: clamp(8px, 1vw, 16px);
      margin-left: calc(clamp(60px, 10vw, 140px) * -0.25);
      z-index: 1;
    }

    .flow-step:first-child {
      margin-left: 0;
    }


    .flow-num {
      display: block;
      font-size: 18px;
      margin-bottom: 2px;
    }

    .footer {
      background: var(--footer);
      min-height: clamp(90px, 10vw, 126px);
      padding: clamp(10px, 1.5vw, 18px) var(--side-pad);
      display: grid;
      grid-template-columns: 1fr auto minmax(100px, 132px);
      align-items: center;
      gap: clamp(8px, 1vw, 16px);
    }

    .footer > * {
      max-width: var(--section-max);
    }

    .footer-brand .logo {
      line-height: 1;
      letter-spacing: 1px;
    }

    .footer-brand .logo b {
      display: block;
      font-size: clamp(18px, 2vw, 30px);
      font-weight: 500;
    }

    .footer-brand .logo span {
      display: block;
      margin-top: -1px;
      font-size: clamp(6px, 0.58vw, 9px);
      opacity: 0.8;
      letter-spacing: 1.1px;
    }

    .footer-copy {
      margin-top: 4px;
      font-size: clamp(7px, 0.7vw, 10px);
      line-height: 1.35;
      letter-spacing: 0.2px;
      font-family: var(--font-cn);
    }

    .foot-divider {
      width: 1px;
      height: clamp(48px, 5vw, 72px);
      background: rgba(255, 255, 255, 0.28);
    }

    .qr-wrap {
      text-align: center;
      font-size: clamp(7px, 0.72vw, 10px);
      letter-spacing: 0.4px;
      line-height: 1.25;
      color: #1a1a1a;
    }

    .qr-box {
      width: clamp(48px, 4.8vw, 72px);
      height: clamp(48px, 4.8vw, 72px);
      margin: 4px auto 0;
      background: #fff;
      padding: 2px;
    }

    .qr-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    /* Middle sections fill at least one viewport (except hero and footer) */
    .page > section.reveal {
      min-height: 100vh;
      min-height: 100svh;
      padding-bottom:60px;
    }

    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    @keyframes routeDraw {
      to { stroke-dashoffset: 0; }
    }

    @keyframes flowLineUp {
      from { transform: scaleY(0); }
      to { transform: scaleY(1); }
    }

    @keyframes flowLineDown {
      from { transform: scaleY(0); }
      to { transform: scaleY(1); }
    }
    @media (max-width: 1420px) {
      .tech-dots{
        left:0;
      }
      .flow-step{
        width:220px;
        height: 220px;
      }
      .p1,.p2,.p3,.p4,.p5 {
        width: 260px;
        height: 260px;
      }
      .p4 {
        left: 23%;
        bottom: 46px;
     }
     .p5 {
      right: 13%;
      bottom: 46px;
      }
    }
    @media (max-width: 1100px) {
      .core-advantages-head {
        grid-template-columns: 1fr;
      }

      .core-advantages-title,
      .core-advantages-summary {
        grid-column: auto;
      }

      .core-advantages-summary {
        padding-top: 0;
        max-width: 70ch;
      }

      .capabilities-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 900px) {
      .core-advantages-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .tech-view {
        column-gap: 10px;
      }

      .lens-main-shell {
        width: clamp(280px, 36vw, 360px);
      }
    }

    @media (max-width: 768px) {
      .core-advantages-grid,
      .capabilities-grid {
        grid-template-columns: 1fr;
      }

      .prod-shell::before,
      .prod-shell::after {
        display: none;
      }

      .prod-stage {
        height: auto;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
      }

      .prod-card,
      .p1,
      .p2,
      .p3,
      .p4,
      .p5 {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
        width: 100%;
      }

      .p1,
      .p3 {
        aspect-ratio: 238 / 188;
      }

      .p2,
      .p4,
      .p5 {
        aspect-ratio: 240 / 292;
      }

      .p2 {
        grid-column: 1 / -1;
      }

      .p2 figcaption,
      .p3 figcaption {
        top: auto;
        right: 8%;
        bottom: 8%;
        transform: none;
        text-align: left;
      }

      .tech-view {
        grid-template-columns: 1fr;
      }

      .tech-dots {
        margin: 0 auto;
        justify-self: center;
      }

      .tech-caption {
        grid-column: auto;
        justify-self: start;
        margin-left: 0;
        max-width: 100%;
      }

      .lens-showcase {
        height: auto;
        display: grid;
        gap: 18px;
        padding: 18px 0 8px;
      }

      .lens-arc-container {
        display: none;
      }

      .lens-dots-left,
      .lens-dots-right {
        display: none;
      }

      .lens-display {
        order: -1;
        transform: none;
      }

      .lens-thumbs {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        transform: none;
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 12px;
        justify-items: center;
      }

      .lens-thumbs.left,
      .lens-thumbs.right {
        left: auto;
        right: auto;
        transform: none;
      }

      .lens-thumb-item,
      .lens-thumbs.left .lens-thumb-item:nth-child(n),
      .lens-thumbs.right .lens-thumb-item:nth-child(n) {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
      }

      .lens-thumb-item:hover .lens-thumb-image {
        transform: scale(1.04);
      }

      .lens-main-shell {
        width: min(72vw, 340px);
      }

      .lens-name-label {
        font-size: 14px;
      }

      .flow-row {
        flex-wrap: nowrap;
        gap: 0;
        justify-content: center;
      }

      .flow-step {
        width: clamp(50px, 12vw, 80px);
        height: clamp(50px, 12vw, 80px);
        border-radius: 50%;
        margin-left: calc(clamp(50px, 12vw, 80px) * -0.2);
        font-size: clamp(5px, 1.5vw, 8px);
        padding: 4px;
      }

      .flow-step:first-child {
        margin-left: 0;
      }

      .flow-vertical-line {
        height: clamp(120px, 20vw, 160px);
      }

      .flow-vertical-line.left {
        left: 10px;
        bottom: 0;
      }

      .flow-vertical-line.right {
        right: 10px;
        top: -30px;
      }

      .footer {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .foot-divider {
        display: none;
      }

      .qr-wrap {
        text-align: left;
      }

      .qr-box {
        margin-left: 0;
      }
    }

    @media (max-width: 520px) {
      .hero {
        padding-top: clamp(58px, 10vw, 82px);
      }

      .hero-title {
        font-size: clamp(34px, 10vw, 46px);
      }

      .core-advantages-title {
        gap: 12px;
      }

      .core-advantages-bar {
        width: 14px;
        height: 82px;
      }

      .core-advantages h2,
      .prod-title-band h2,
      .technical h2,
      .flow h2 {
        font-size: clamp(28px, 8.5vw, 42px);
      }

      .capability-card,
      .core-adv-card {
        min-height: 0;
      }

      .capability-card h3 {
        font-size: 15px;
      }

      .lens-thumbs {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 10px 6px;
      }

      .lens-thumb-item {
        width: 40px;
      }

      .flow-step {
        width: calc((100% - 8px) / 2);
      }
    }