:root{
    --bg1:#06111f;
    --bg2:#0b2240;
    --panel:rgba(9,25,48,.78);
    --panel2:rgba(13,36,68,.72);
    --line:rgba(108,195,255,.24);
    --text:#eef7ff;
    --muted:#a8bee0;
    --blue:#2f9cff;
    --cyan:#3ce6ff;
    --green:#34d399;
    --orange:#fb923c;
    --yellow:#fbbf24;
    --page-x:4.2%;
    --topbar-top:4.1%;
    --video-safe-bottom:15%;
  }
  *{box-sizing:border-box}
  html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#000;}
  body{
    display:flex;align-items:center;justify-content:center;
    font-family:"Microsoft YaHei","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    color:var(--text);
  }
  .stage{
    position:relative;width:min(100vw, calc(100vh * 16 / 9));height:min(100vh, calc(100vw * 9 / 16));
    aspect-ratio:16/9;overflow:hidden;
    background:
      radial-gradient(circle at 13% 15%, rgba(47,156,255,.26), transparent 26%),
      radial-gradient(circle at 86% 12%, rgba(60,230,255,.18), transparent 24%),
      radial-gradient(circle at 77% 82%, rgba(251,146,60,.15), transparent 28%),
      linear-gradient(135deg,var(--bg1) 0%, var(--bg2) 52%, #071426 100%);
    box-shadow:0 0 0 1px rgba(255,255,255,.08) inset;
  }
  .stage::before{
    content:"";position:absolute;inset:0;
    background:
      linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size:42px 42px;opacity:.42;pointer-events:none;
  }
  .stage::after{
    content:"";position:absolute;width:900px;height:900px;border-radius:50%;
    right:-340px;top:80px;border:1px solid rgba(60,230,255,.12);
    box-shadow:0 0 120px rgba(60,230,255,.08) inset;pointer-events:none;
  }
  .topbar{
    position:absolute;left:var(--page-x);right:var(--page-x);top:var(--topbar-top);
    height:6.5%;display:flex;align-items:center;justify-content:space-between;z-index:8;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;color:#dff9ff;font-size:18px;
    letter-spacing:.16em;text-transform:uppercase;opacity:.92;
  }
  .eyebrow::before{
    content:"";width:10px;height:10px;border-radius:50%;background:var(--green);
    box-shadow:0 0 18px rgba(52,211,153,.9);
  }
  .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px;letter-spacing:.04em;}
  .brand-mark{
    width:14px;height:36px;border-radius:8px;background:linear-gradient(180deg,var(--orange),var(--cyan));
    box-shadow:0 0 24px rgba(60,230,255,.25);
  }
  .hero{position:absolute;left:var(--page-x);top:14%;width:41%;z-index:6;}
  .kicker{
    display:inline-flex;align-items:center;padding:8px 16px;border:1px solid rgba(60,230,255,.28);
    background:rgba(60,230,255,.08);color:#dff9ff;border-radius:999px;font-size:20px;font-weight:700;margin-bottom:22px;
  }
  h1{margin:0;font-size:70px;line-height:1.05;letter-spacing:-2px;font-weight:950;}
  .gradient{
    background:linear-gradient(90deg,#fff 0%, var(--cyan) 48%, var(--orange) 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .subline{margin:40px 0 0;color:var(--muted);font-size:24px;line-height:1.48;max-width:740px;}
  .subline strong{color:var(--cyan);font-weight:900;}
  .arm-card{
    position:absolute;left:43.5%;top:14.4%;bottom:calc(var(--video-safe-bottom) + 86px);width:27.5%;height:auto;
    border:1px solid rgba(108,195,255,.25);border-radius:34px;
    background:linear-gradient(180deg,rgba(13,36,68,.84),rgba(7,18,35,.70));
    box-shadow:0 24px 80px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.07);
    padding:22px;z-index:5;overflow:hidden;
  }
  .arm-card::before{
    content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;
    background:rgba(251,146,60,.14);filter:blur(1px);
  }
  .arm-image-wrap{
    position:relative;height:73.5%;margin-top:5.2%;border-radius:26px;overflow:hidden;background:rgba(255,255,255,.035);
    border:1px solid rgba(255,255,255,.08);
  }
  .arm-image-wrap img{width:100%;height:100%;object-fit:cover;object-position:48% 58%;filter:contrast(1.04) saturate(1.08);}
  .arm-label{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:18px;}
  .arm-title{font-size:28px;font-weight:950;letter-spacing:-.5px;}
  .arm-tag{color:var(--orange);font-size:17px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;}
  .ecosystem-ring{
    position:absolute;left:47.5%;top:18.5%;width:36%;height:47%;border:1px solid rgba(60,230,255,.10);
    border-radius:50%;z-index:2;pointer-events:none;
  }
  .ecosystem-ring::before{content:"";position:absolute;inset:11%;border:1px dashed rgba(251,146,60,.18);border-radius:50%;}
  .modules{
    position:absolute;right:var(--page-x);top:14.4%;width:24%;bottom:calc(var(--video-safe-bottom) + 86px);
    display:grid;grid-template-rows:1fr 1fr 1fr 1fr;gap:16px;z-index:6;
  }
  .module{
    position:relative;display:grid;grid-template-columns:38% 1fr;align-items:center;gap:15px;
    border:1px solid rgba(108,195,255,.20);border-radius:24px;
    background:linear-gradient(180deg,rgba(13,36,68,.74),rgba(8,22,42,.66));
    box-shadow:0 18px 54px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.05);
    padding:14px;overflow:hidden;
  }
  .module.orange{border-color:rgba(251,146,60,.31);background:linear-gradient(180deg,rgba(69,37,17,.44),rgba(8,22,42,.68));}
  .module::after{
    content:"";position:absolute;left:24px;right:24px;bottom:0;height:3px;border-radius:99px 99px 0 0;
    background:linear-gradient(90deg,var(--cyan),transparent);opacity:.82;
  }
  .module.orange::after{background:linear-gradient(90deg,var(--orange),transparent);}
  .module-img{width:100%;aspect-ratio:1.05/1;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.04);}
  .module-img img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;}
  .module.jetson .module-img img{object-position:58% 45%;}
  .module.camera .module-img img{object-position:55% 45%;}
  .module.controller .module-img img{object-position:50% 56%;}
  .module.gripper .module-img img{object-position:50% 50%;}
  .label{color:var(--muted);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px;}
  .module-title{font-size:23px;line-height:1.06;font-weight:950;letter-spacing:-.5px;margin-bottom:6px;}
  .module-desc{color:var(--muted);font-size:16px;line-height:1.34;}
  .connector{position:absolute;left:70.6%;width:5.4%;height:1px;background:linear-gradient(90deg,rgba(60,230,255,.05),rgba(60,230,255,.54));z-index:4;opacity:.8;}
  .connector.c1{top:22.1%;}
  .connector.c2{top:35.6%;background:linear-gradient(90deg,rgba(251,146,60,.05),rgba(251,146,60,.55));}
  .connector.c3{top:49.3%;}
  .connector.c4{top:62.8%;background:linear-gradient(90deg,rgba(251,146,60,.05),rgba(251,146,60,.55));}
  .bottom-note{
    position:absolute;left:50%;transform:translateX(-50%);bottom:calc(var(--video-safe-bottom) + 0px);
    width:92%;height:6%;
    border:1px solid rgba(108,195,255,.20);border-radius:24px;
    background:
      linear-gradient(90deg,rgba(13,36,68,.72),rgba(8,22,42,.54)),
      radial-gradient(circle at 18% 50%, rgba(60,230,255,.12), transparent 42%),
      radial-gradient(circle at 84% 50%, rgba(251,146,60,.10), transparent 38%);
    box-shadow:0 18px 54px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.05);
    display:flex;align-items:center;justify-content:center;gap:20px;padding:0 32px;z-index:6;white-space:nowrap;
  }
  .note-title{font-size:22px;font-weight:950;letter-spacing:-.2px;}
  .note-title::after{
    content:"";display:inline-block;width:7px;height:7px;margin-left:18px;border-radius:50%;
    background:var(--orange);box-shadow:0 0 16px rgba(251,146,60,.78);vertical-align:middle;
  }
  .note-copy{color:var(--muted);font-size:18px;line-height:1;}
  .subtitle-safe-zone{position:absolute;left:0;right:0;bottom:0;height:var(--video-safe-bottom);z-index:2;pointer-events:none;background:linear-gradient(180deg, transparent 0%, rgba(0,0,0,.08) 100%);}
  @media (max-width:1100px){
    h1{font-size:52px}
    .subline{font-size:20px}
    .module-title{font-size:19px}
    .module-desc{font-size:14px}
    .arm-title{font-size:23px}
    .bottom-note{width:82%;gap:14px;}
    .note-title{font-size:18px}
    .note-copy{font-size:14px}
  }

  @media (max-width: 768px) {
    html,
    body {
      width: 100%;
      height: auto;
      min-height: 100%;
      overflow-x: hidden;
      overflow-y: auto;
      background: #000;
    }

    body {
      display: block;
      align-items: initial;
      justify-content: initial;
    }

    img {
      display: block;
      max-width: 100%;
    }

    .stage {
      width: 100%;
      min-height: 100vh;
      height: auto;
      aspect-ratio: auto;
      overflow: visible;
      padding: 20px 16px 30px;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .stage::after {
      width: 520px;
      height: 520px;
      right: -260px;
      top: 160px;
    }

    .topbar {
      position: relative;
      left: auto;
      right: auto;
      top: auto;
      height: auto;
      width: 100%;
      gap: 12px;
      align-items: flex-start;
    }

    .eyebrow {
      font-size: 12px;
      line-height: 1.25;
      letter-spacing: .10em;
      flex: 1 1 auto;
      min-width: 0;
    }

    .eyebrow::before {
      width: 8px;
      height: 8px;
      flex: 0 0 auto;
    }

    .brand {
      flex: 0 0 auto;
      gap: 7px;
      font-size: 15px;
    }

    .brand-mark {
      width: 10px;
      height: 25px;
      border-radius: 6px;
    }

    .hero {
      position: relative;
      left: auto;
      top: auto;
      width: 100%;
      z-index: 6;
    }

    .kicker {
      margin-bottom: 14px;
      padding: 7px 12px;
      font-size: 15px;
    }

    h1 {
      font-size: clamp(34px, 10vw, 46px);
      line-height: 1.08;
      letter-spacing: -1.2px;
    }

    .subline {
      margin: 18px 0 0;
      max-width: none;
      font-size: 17px;
      line-height: 1.48;
    }

    .ecosystem-ring,
    .connector,
    .subtitle-safe-zone {
      display: none;
    }

    .arm-card {
      position: relative;
      left: auto;
      top: auto;
      bottom: auto;
      width: 100%;
      height: auto;
      padding: 16px;
      border-radius: 26px;
      overflow: visible;
    }

    .arm-image-wrap {
      height: auto;
      aspect-ratio: 4 / 5;
      margin-top: 0;
      border-radius: 22px;
      overflow: hidden;
      background: rgba(255,255,255,.035);
    }

    .arm-image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      object-position: center center;
      background: rgba(255,255,255,.025);
    }

    .arm-label {
      margin-top: 14px;
      align-items: flex-start;
      flex-wrap: wrap;
    }

    .arm-title {
      font-size: 23px;
      line-height: 1.15;
    }

    .arm-tag {
      font-size: 13px;
      line-height: 1.2;
    }

    .modules {
      position: relative;
      right: auto;
      top: auto;
      bottom: auto;
      width: 100%;
      display: grid;
      grid-template-rows: none;
      grid-template-columns: 1fr;
      gap: 14px;
      z-index: 6;
    }

    .module {
      grid-template-columns: 1fr;
      gap: 12px;
      padding: 14px;
      border-radius: 22px;
      overflow: visible;
    }

    .module-img {
      width: 100%;
      aspect-ratio: 16 / 10;
      border-radius: 16px;
      background: rgba(255,255,255,.04);
    }

    .module-img img,
    .module.jetson .module-img img,
    .module.camera .module-img img,
    .module.controller .module-img img,
    .module.gripper .module-img img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      object-position: center center;
      background: rgba(255,255,255,.025);
    }

    .label {
      font-size: 12px;
      margin-bottom: 5px;
    }

    .module-title {
      font-size: 21px;
      line-height: 1.12;
      margin-bottom: 6px;
    }

    .module-desc {
      font-size: 15px;
      line-height: 1.36;
    }

    .bottom-note {
      position: relative;
      left: auto;
      bottom: auto;
      transform: none;
      width: 100%;
      height: auto;
      min-height: 0;
      border-radius: 22px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      gap: 8px;
      padding: 16px;
      white-space: normal;
      z-index: 6;
    }

    .note-title {
      font-size: 18px;
      line-height: 1.25;
    }

    .note-title::after {
      width: 6px;
      height: 6px;
      margin-left: 10px;
    }

    .note-copy {
      font-size: 14px;
      line-height: 1.35;
    }
  }



  /* Brand-aligned visual refinement based on the reference Nexpuran mobile template */
  :root{
    --bg1:#010611;
    --bg2:#06162d;
    --panel:rgba(5,25,52,.70);
    --panel2:rgba(2,10,24,.94);
    --line:rgba(56,217,255,.38);
    --text:#f7fbff;
    --muted:#9fb8d4;
    --blue:#1f65b7;
    --cyan:#38d9ff;
    --green:#ff6b2a;
    --orange:#ff6b2a;
    --yellow:#ff6b2a;
  }

  html,body{
    background:#020713;
  }

  body{
    font-family:"Inter","Segoe UI",Arial,sans-serif;
  }

  .stage{
    width:100vw;
    height:100vh;
    aspect-ratio:auto;
    background:
      radial-gradient(circle at 16% 12%, rgba(0, 128, 255, 0.18) 0%, transparent 30%),
      radial-gradient(circle at 72% 42%, rgba(56, 217, 255, 0.11) 0%, transparent 34%),
      radial-gradient(circle at 92% 6%, rgba(255, 107, 42, 0.10) 0%, transparent 24%),
      linear-gradient(135deg, #010611 0%, #06162d 48%, #010611 100%);
    box-shadow:none;
  }

  .stage::before{
    background-image:
      linear-gradient(rgba(56, 217, 255, 0.040) 1px, transparent 1px),
      linear-gradient(90deg, rgba(56, 217, 255, 0.032) 1px, transparent 1px);
    background-size:48px 48px;
    opacity:1;
    mask-image:linear-gradient(to bottom, transparent 0%, rgba(0,0,0,.68) 34%, rgba(0,0,0,.35) 100%);
  }

  .stage::after{
    left:-10vw;
    right:-10vw;
    bottom:-18vh;
    top:auto;
    width:auto;
    height:42vh;
    border:0;
    border-radius:0;
    background:radial-gradient(ellipse at center, rgba(0,168,255,.34) 0%, rgba(0,168,255,.09) 29%, transparent 67%);
    filter:blur(4px);
    opacity:.5;
    box-shadow:none;
  }

  .topbar{
    left:3.8vw;
    right:3.5vw;
    top:3.1vh;
    height:auto;
  }

  .eyebrow{
    color:var(--orange);
    font-weight:800;
    letter-spacing:.12em;
    font-size:clamp(13px,1.05vw,18px);
    opacity:1;
  }

  .eyebrow::before{
    width:44px;
    height:3px;
    border-radius:99px;
    background:var(--orange);
    box-shadow:0 0 18px rgba(255,138,28,.6);
  }

  .brand{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:0;
    font-size:0;
    line-height:0;
  }

  .brand-mark{display:none;}

  .brand-logo{
    width:132px;
    height:auto;
    display:block;
    filter:drop-shadow(0 6px 14px rgba(0,0,0,.35));
  }

  .kicker{
    border:1px solid rgba(56,217,255,.34);
    background:rgba(0,168,255,.085);
    color:#e8fbff;
    font-weight:850;
    font-size:18px;
  }

  h1{
    font-size:clamp(38px,4.6vw,78px);
    line-height:.98;
    letter-spacing:-0.045em;
    font-weight:900;
  }

  .gradient{
    background:linear-gradient(90deg,#FFFFFF 0%, var(--cyan) 58%, var(--orange) 108%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    text-shadow:0 0 24px rgba(40,216,255,.18);
  }

  .subline{
    color:#d9e8ff;
    font-weight:500;
  }

  .subline strong{color:var(--white,#f7fbff);}

  .arm-card,
  .module{
    border:1px solid var(--line);
    border-radius:24px;
    background:linear-gradient(180deg, rgba(5,25,52,.70), rgba(2,10,24,.94));
    box-shadow:inset 0 0 36px rgba(56,217,255,.07), 0 0 34px rgba(0,168,255,.12);
  }

  .module.orange{
    border-color:rgba(56,217,255,.38);
    background:linear-gradient(180deg, rgba(5,25,52,.70), rgba(2,10,24,.94));
  }

  .arm-card::before,
  .module::before{
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    border-radius:inherit;
    background:linear-gradient(135deg, rgba(40,216,255,.22), transparent 26%, transparent 70%, rgba(255,138,28,.10));
  }

  .module::after{
    background:linear-gradient(90deg, rgba(56,217,255,.68), rgba(255,107,42,.48), transparent);
    opacity:.64;
  }

  .module.orange::after{
    background:linear-gradient(90deg, rgba(56,217,255,.68), rgba(255,107,42,.48), transparent);
  }

  .arm-image-wrap,
  .module-img{
    border:1px solid rgba(56,217,255,.18);
    background:#050b14;
    box-shadow:0 12px 24px rgba(0,0,0,.42);
  }

  .arm-image-wrap img,
  .module-img img,
  .module.jetson .module-img img,
  .module.camera .module-img img,
  .module.controller .module-img img,
  .module.gripper .module-img img{
    object-fit:contain;
    object-position:center center;
    background:#050b14;
  }

  .label{
    color:var(--orange);
    font-weight:800;
  }

  .module-title,
  .arm-title{
    color:var(--text);
    font-weight:900;
  }

  .module-desc,
  .note-copy{
    color:#d8e9ff;
    font-weight:500;
  }

  .ecosystem-ring,
  .connector{
    opacity:.18;
  }

  .bottom-note{
    border:0;
    background:transparent;
    box-shadow:none;
    border-radius:0;
    height:auto;
    bottom:2vh;
    width:92%;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:16px;
    color:#eaf8ff;
    text-shadow:0 2px 8px rgba(0,0,0,.72);
    white-space:normal;
  }

  .bottom-note::before,
  .bottom-note::after{
    content:"";
    height:2px;
    flex:1;
    max-width:300px;
    background:linear-gradient(90deg, transparent, rgba(40,216,255,.7), var(--orange));
  }

  .bottom-note::after{
    background:linear-gradient(90deg, var(--orange), rgba(40,216,255,.7), transparent);
  }

  .note-title{
    font-size:clamp(16px,1.25vw,22px);
    font-weight:850;
    letter-spacing:.01em;
  }

  .note-title::after{display:none;}

  .note-copy{
    font-size:clamp(13px,1vw,17px);
  }

  @media (max-width:768px){
    html,body{
      background:#020713;
    }

    body{
      display:block;
    }

    .stage{
      width:100%;
      min-height:100vh;
      min-height:100svh;
      height:auto;
      overflow:visible;
      padding:72px 16px 30px;
      gap:18px;
    }

    .topbar{
      position:relative;
      left:auto;
      right:auto;
      top:auto;
      width:100%;
      align-items:flex-start;
    }

    .brand{
      position:absolute;
      top:-54px;
      right:0;
    }

    .brand-logo{
      width:86px;
      max-width:24vw;
    }

    .eyebrow{
      gap:8px;
      color:var(--orange);
      font-size:12px;
      line-height:1.25;
      margin-bottom:0;
      letter-spacing:.08em;
    }

    .eyebrow::before{
      width:28px;
      height:2px;
      border-radius:99px;
    }

    .kicker{
      margin-bottom:14px;
      padding:7px 12px;
      font-size:13px;
    }

    h1{
      font-size:clamp(34px,10.8vw,48px);
      line-height:1.02;
      letter-spacing:-0.04em;
    }

    .subline{
      margin:18px 0 0;
      font-size:16px;
      line-height:1.42;
    }

    .ecosystem-ring,
    .connector,
    .subtitle-safe-zone{
      display:none;
    }

    .arm-card,
    .module{
      border-radius:20px;
      overflow:hidden;
    }

    .arm-card{
      padding:14px;
    }

    .arm-image-wrap{
      aspect-ratio:4/5;
      border-radius:14px;
    }

    .modules{
      gap:18px;
    }

    .module{
      grid-template-columns:1fr;
      gap:12px;
      padding:14px;
    }

    .module-img{
      aspect-ratio:16/10;
      border-radius:14px;
    }

    .module-title{
      font-size:24px;
      line-height:1.12;
    }

    .module-desc{
      font-size:15px;
      line-height:1.42;
    }

    .bottom-note{
      position:relative;
      left:auto;
      bottom:auto;
      transform:none;
      width:100%;
      margin:24px 0 0;
      padding:0 4px;
      gap:10px;
      flex-direction:column;
      text-align:center;
    }

    .bottom-note::before,
    .bottom-note::after{
      display:none;
    }

    .note-title{
      font-size:16px;
      line-height:1.28;
    }

    .note-copy{
      font-size:14px;
      line-height:1.35;
    }
  }

  @media (max-width:480px){
    .stage{padding:68px 14px 28px;}
    .brand-logo{width:78px;}
  }