:root{
    --paper:#f7f9fc;
    --paper2:#eef3f9;
    --ink:#0a1020;
    --muted:#64748b;
    --blue:#1557ff;
    --blue2:#6ea0ff;
    --acid:#b8ff3b;
    --line:#dbe3ee;
    --line2:#c7d3e2;
    --white:#ffffff;
    --max:1360px;
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:
      linear-gradient(90deg,rgba(16,24,40,.025) 1px,transparent 1px),
      linear-gradient(rgba(16,24,40,.025) 1px,transparent 1px),
      var(--paper);
    background-size:48px 48px;
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    overflow-x:hidden;
  }

  a{text-decoration:none;color:inherit}
  .wrap{width:min(var(--max),calc(100% - 64px));margin:auto}

  /* NAV */
  .nav{
    position:fixed;
    top:0;left:0;right:0;
    width:100%;
    height:86px;
    border-bottom:1px solid var(--line);
    background:rgba(247,249,252,.92);
    backdrop-filter:blur(18px);
    z-index:100;
    display:grid;
    grid-template-columns:290px 1fr 170px;
    align-items:center;
    padding:0 34px;
  }

  .brand{display:flex;align-items:center;gap:14px;font-weight:900;letter-spacing:-.02em}
  .brand-mark{
    width:38px;height:38px;
    display:grid;place-items:center;
    background:var(--blue);
    color:white;
    border-radius:0;
    font-family:system-ui,sans-serif;
    font-size:18px;
    position:relative;
  }
  .brand-mark:after{
    content:"";
    position:absolute;
    width:9px;height:9px;
    right:-4px;top:-4px;
    background:var(--acid);
    border:1px solid var(--ink);
  }
  .brand small{
    display:block;
    font-size:9px;
    color:#8aa0ba;
    letter-spacing:.18em;
    margin-top:2px
  }
  .navlinks{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:0;
    height:100%;
  }
  .navlinks a{
    height:100%;
    display:flex;
    align-items:center;
    padding:0 17px;
    border-left:1px solid transparent;
    border-right:1px solid transparent;
    color:#33445f;
    font-size:14px;
    font-weight:800;
    letter-spacing:.01em;
    transition:.2s ease;
  }
  .navlinks a:hover{
    color:var(--blue);
    background:#fff;
    border-color:var(--line);
  }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 20px;
    border-radius:0;
    border:1px solid var(--ink);
    font-weight:800;
    cursor:pointer;
    transition:.2s ease;
  }
  .btn-primary{
    background:var(--ink);
    color:#fff;
  }
  .btn-primary:hover{
    background:var(--blue);
    border-color:var(--blue);
    transform:translate(-2px,-2px);
    box-shadow:5px 5px 0 var(--acid);
  }
  .btn-ghost{
    background:transparent;
    color:var(--ink);
    border-color:var(--line2);
  }
  .btn-ghost:hover{
    background:#fff;
    border-color:var(--ink);
  }
  .nav .btn{
    width:148px;
    font-weight:800;
    min-height:44px;
    padding:0 14px;
    font-size:13px;
    justify-self:end;
  }

  /* HERO */
  .hero{
    min-height:900px;
    padding-top:180px;
    padding-bottom:90px;
    position:relative;
    overflow:hidden;
  }
  .hero:before{
    content:"ZHIGEN / DIGITAL PRODUCT STUDIO";
    position:absolute;
    left:32px;
    top:118px;
    writing-mode:vertical-rl;
    font-family:"Space Grotesk";
    font-size:10px;
    letter-spacing:.18em;
    color:#9badc2;
  }
  .hero:after{
    content:"";
    position:absolute;
    right:-160px;
    top:160px;
    width:520px;height:520px;
    border:1px solid rgba(21,87,255,.16);
    transform:rotate(21deg);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:minmax(0,1.1fr) minmax(380px,.9fr);
    gap:80px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--blue);
    font-size:12px;
    font-weight:900;
    letter-spacing:.15em;
    border:0;
    background:none;
    padding:0;
    text-transform:uppercase;
  }
  .eyebrow:before{
    content:"";
    width:44px;height:2px;background:var(--blue);
  }
  .eyebrow i{width:14px}
  h1{
    margin:28px 0 26px;
    font-size:clamp(64px,7.2vw,118px);
    line-height:.92;
    letter-spacing:-.07em;
    font-weight:900;
    max-width:850px;
  }
  h1 .accent{
    color:transparent;
    -webkit-text-stroke:1.5px var(--blue);
    background:none;
    -webkit-background-clip:initial;
  }
  .lead{
    font-size:17px;
    line-height:1.9;
    color:#5d6f86;
    max-width:720px;
  }
  .hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
  .hero-meta{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    margin-top:58px;
    border-top:1px solid var(--line2);
    border-bottom:1px solid var(--line2);
  }
  .hero-meta div{
    padding:18px 20px 18px 0;
    border-right:1px solid var(--line2);
  }
  .hero-meta div:last-child{border-right:0;padding-left:20px}
  .hero-meta div:nth-child(2){padding-left:20px}
  .hero-meta strong{
    display:block;
    font-size:17px;
    font-family:"Space Grotesk";
  }
  .hero-meta span{
    display:block;
    margin-top:4px;
    font-size:11px;
    color:#8595aa;
  }

  .visual{
    position:relative;
    height:590px;
    border:1px solid var(--ink);
    border-radius:0;
    background:#fff;
    box-shadow:none;
    overflow:hidden;
  }
  .visual:before{
    content:"";
    position:absolute;
    inset:0;
    background:
      linear-gradient(rgba(21,87,255,.07) 1px,transparent 1px),
      linear-gradient(90deg,rgba(21,87,255,.07) 1px,transparent 1px);
    background-size:32px 32px;
  }
  .visual:after{
    content:"SYSTEM / 01";
    position:absolute;
    right:18px;
    top:14px;
    font:700 10px "Space Grotesk";
    letter-spacing:.15em;
    color:#8fa0b6;
  }
  .orb{
    position:absolute;
    width:260px;height:260px;
    border-radius:0;
    left:50%;top:46%;
    transform:translate(-50%,-50%) rotate(45deg);
    background:linear-gradient(135deg,var(--blue),#5cc8ff);
    box-shadow:34px 34px 0 rgba(21,87,255,.08);
    filter:none;
    animation:float 6s ease-in-out infinite, spinMorph 16s linear infinite;
  }
  .orb:after{
    content:"";
    position:absolute;
    width:110px;height:110px;
    right:-38px;bottom:-38px;
    background:var(--acid);
    border:1px solid var(--ink);
  }
  .ring{
    position:absolute;
    left:50%;top:46%;
    border:1px solid rgba(10,16,32,.22);
    border-radius:0;
    transform:translate(-50%,-50%) rotate(18deg);
  }
  .r1{width:390px;height:240px}
  .r2{width:455px;height:305px;transform:translate(-50%,-50%) rotate(-16deg)}
  .floating-card{
    position:absolute;
    min-width:190px;
    padding:15px 16px;
    border:1px solid var(--ink);
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(8px);
    border-radius:0;
    box-shadow:none;
  }
  .fc1{left:22px;top:48px;animation:driftA 7s ease-in-out infinite}
  .fc2{right:22px;top:175px;animation:driftB 8s ease-in-out infinite}
  .fc3{left:56px;bottom:30px;animation:driftC 7.5s ease-in-out infinite}
  .floating-card b{display:block;font-size:12px;margin-bottom:4px}
  .floating-card span{font-size:10px;color:#77889e}
  .dot{
    display:inline-block;
    width:7px;height:7px;border-radius:0;
    background:var(--acid);
    border:1px solid var(--ink);
    margin-right:7px;
    box-shadow:none;
  }
  @keyframes float{
    50%{transform:translate(-50%,-53%) rotate(48deg)}
  }

  /* SECTIONS */
  section{padding:120px 0}
  .section-head{
    display:grid;
    grid-template-columns:1fr 420px;
    align-items:end;
    gap:60px;
    margin-bottom:52px;
    padding-top:22px;
    border-top:1px solid var(--ink);
  }
  .section-kicker{
    color:var(--blue);
    font-size:11px;
    font-weight:900;
    letter-spacing:.16em;
    text-transform:uppercase;
    font-family:"Space Grotesk";
  }
  h2{
    font-size:clamp(42px,5vw,76px);
    line-height:.98;
    margin:16px 0 0;
    letter-spacing:-.055em;
  }
  .section-head p{
    max-width:none;
    color:#65758a;
    line-height:1.85;
    font-size:14px;
    margin:0;
  }

  /* SERVICES */
  .services{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:1px;
    background:var(--line2);
    border:1px solid var(--line2);
  }
  .service{
    grid-column:span 4;
    min-height:340px;
    padding:30px;
    border-radius:0;
    border:0;
    background:#fff;
    position:relative;
    overflow:hidden;
    transition:.25s ease;
  }
  .service.big{grid-column:span 8}
  .service:hover{
    transform:none;
    border-color:transparent;
    background:#f2f6ff;
  }
  .service:hover:before{
    width:100%;
  }
  .service:before{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:0;height:5px;
    background:var(--blue);
    transition:.3s ease;
  }
  .service-icon{
    width:46px;height:46px;
    border-radius:0;
    display:grid;place-items:center;
    color:#fff;
    background:var(--ink);
  }
  .home-news-card{display:block;color:inherit;text-decoration:none}
  .home-news-icon{overflow:hidden}
  .home-news-icon img{width:100%;height:100%;display:block;object-fit:cover}
  .service-icon i{width:20px}
  .service h3{
    font-size:24px;
    margin:52px 0 12px;
    letter-spacing:-.03em;
  }
  .service p{
    color:#6a798f;
    line-height:1.8;
    font-size:14px;
    max-width:560px;
  }
  .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:26px}
  .tags span{
    font-size:10px;
    color:#4f6481;
    border:1px solid var(--line2);
    padding:7px 8px;
    border-radius:0;
    background:#fff;
  }
  .service-num{
    position:absolute;
    right:22px;top:20px;
    color:#aab9ca;
    font:700 11px "Space Grotesk";
    letter-spacing:.12em;
  }

  /* SYSTEMS */
  .systems{
    background:var(--ink);
    color:white;
    border-radius:0;
    padding:74px;
    margin-top:0;
    position:relative;
    overflow:hidden;
  }
  .systems:before{
    content:"";
    position:absolute;
    width:260px;height:260px;
    right:56px;top:54px;
    border:1px solid rgba(255,255,255,.18);
  }
  .systems:after{
    content:"";
    position:absolute;
    width:260px;height:260px;
    right:16px;top:94px;
    background:var(--blue);
    opacity:.9;
    border-radius:0;
    filter:none;
  }
  .systems .section-kicker{color:var(--acid)}
  .systems h2{max-width:820px;position:relative;z-index:2}
  .systems p{
    color:#aab7c7;
    max-width:760px;
    line-height:1.9;
    position:relative;
    z-index:2;
  }
  .system-list{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:1px;
    margin-top:46px;
    background:rgba(255,255,255,.15);
    position:relative;
    z-index:2;
  }
  .system-item{
    background:#111a2c;
    border:0;
    padding:19px;
    border-radius:0;
    font-size:12px;
    font-weight:700;
    color:#eaf1fb;
  }

  /* PROCESS */
  .process{
    display:grid;
    grid-template-columns:.78fr 1.22fr;
    gap:90px;
  }
  .sticky{
    position:sticky;
    top:130px;
    height:max-content;
  }
  .steps{border-top:1px solid var(--ink)}
  .step{
    display:grid;
    grid-template-columns:86px 1fr;
    gap:26px;
    padding:34px 0;
    border-bottom:1px solid var(--line2);
  }
  .step-num{
    font-family:"Space Grotesk";
    color:var(--blue);
    font-size:12px;
    font-weight:800;
  }
  .step h3{margin:0 0 10px;font-size:23px;letter-spacing:-.02em}
  .step p{margin:0;color:#6b7b90;line-height:1.8;font-size:14px}

  /* GROWTH */
  .growth{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ink);border:1px solid var(--ink)}
  .growth-card{
    border-radius:0;
    border:0;
    padding:38px;
    background:#fff;
    min-height:360px;
    position:relative;
    overflow:hidden;
  }
  .growth-card:nth-child(2){background:#f0f4fa}
  .growth-card h3{font-size:36px;margin:44px 0 14px;letter-spacing:-.04em}
  .growth-card p{color:#67768b;line-height:1.85;max-width:520px}
  .growth-card .bigicon{
    position:absolute;
    right:20px;bottom:10px;
    width:170px;height:170px;
    opacity:.04;
  }

  /* NEWS */
  .news-title-board{
    margin-top:1px;
    border:1px solid var(--line2);
    border-radius:0;
    background:#fff;
    padding:0;
    box-shadow:none;
  }
  .news-title-head{
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:end;
    gap:40px;
    margin:0;
    padding:26px 28px;
    border-bottom:1px solid var(--line2);
    background:#f3f6fb;
  }
  .news-title-head h3{
    margin:0;
    font-size:26px;
    color:var(--ink);
    letter-spacing:-.03em;
  }
  .news-title-head p{
    margin:0;
    font-size:12px;
    color:#728198;
    line-height:1.7;
  }
  .news-title-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    counter-reset:home-news;
  }
  .news-title-item{
    display:flex;
    align-items:flex-start;
    gap:12px;
    min-height:84px;
    padding:19px 20px;
    border:0;
    border-right:1px solid var(--line2);
    border-bottom:1px solid var(--line2);
    border-radius:0;
    background:#fff;
    color:#253854;
    transition:.2s ease;
  }
  .news-title-item:nth-child(3n){border-right:0}
  .news-title-item:hover{
    transform:none;
    border-color:var(--line2);
    box-shadow:none;
    background:#eef4ff;
    color:var(--blue);
  }
  .news-title-index{
    flex:0 0 28px;
    width:28px;height:auto;
    border-radius:0;
    display:block;
    font-size:10px;
    font-weight:900;
    color:var(--blue);
    background:none;
    font-family:"Space Grotesk";
    counter-increment:home-news;
  }
  .news-title-index:before{content:counter(home-news,decimal-leading-zero)}
  .news-title-item span:last-child{
    font-size:13px;
    line-height:1.6;
    font-weight:700;
  }

  /* CTA */
  .cta{
    margin:50px auto 0;
    padding:84px 70px;
    border-radius:0;
    position:relative;
    overflow:hidden;
    background:var(--blue);
    color:white;
    border:1px solid var(--ink);
  }
  .cta:before{
    content:"";
    position:absolute;
    width:150px;height:150px;
    right:70px;top:54px;
    background:var(--acid);
    border:1px solid var(--ink);
  }
  .cta:after{
    content:"";
    position:absolute;
    width:150px;height:150px;
    right:110px;top:94px;
    border:1px solid rgba(255,255,255,.8);
    box-shadow:none;
  }
  .cta h2{
    max-width:900px;
    margin-top:0;
    position:relative;
    z-index:2;
  }
  .cta p{
    max-width:700px;
    line-height:1.8;
    color:#dce7ff;
    position:relative;
    z-index:2;
  }
  .cta .btn{
    background:#fff;
    color:var(--ink);
    margin-top:20px;
    border-color:#fff;
    position:relative;
    z-index:2;
  }
  .cta .btn:hover{
    background:var(--acid);
    border-color:var(--ink);
    color:var(--ink);
  }


  /* INTERACTION UPGRADES */
  .system-item{
    position:relative;
    overflow:hidden;
    transition:.28s cubic-bezier(.2,.7,.2,1);
    cursor:pointer;
  }
  .system-item:before{
    content:"";
    position:absolute;
    inset:auto 0 0 0;
    height:0;
    background:linear-gradient(180deg,rgba(21,87,255,0),rgba(21,87,255,.18));
    transition:.28s ease;
  }
  .system-item:after{
    content:"↗";
    position:absolute;
    right:16px;
    top:14px;
    font:700 12px "Space Grotesk";
    color:rgba(255,255,255,.0);
    transition:.25s ease;
  }
  .system-item:hover{
    transform:translateY(-4px);
    background:#17357d;
    color:#fff;
  }
  .systems .system-item:hover{
    box-shadow:0 14px 32px rgba(0,0,0,.18);
  }
  .systems .system-item:hover:after{
    color:rgba(255,255,255,.88);
  }
  .systems .system-item:hover:before{
    height:100%;
  }

  #about .system-item{
    background:#111a2c;
  }
  #about .system-item:hover{
    background:#17357d;
  }

  /* ABOUT code visual */
  #about .systems{
    overflow:hidden;
  }
  .about-code-visual{
    position:absolute;
    right:54px;
    top:78px;
    width:250px;
    height:250px;
    z-index:3;
    pointer-events:none;
  }
  .about-code-visual .code-panel{
    position:absolute;
    inset:0;
    display:grid;
    place-items:center;
  }
  .about-code-visual svg{
    width:170px;
    height:170px;
    overflow:visible;
    filter:drop-shadow(0 16px 30px rgba(0,0,0,.18));
  }
  .about-code-visual .panel-tag{
    position:absolute;
    left:-8px;
    bottom:-18px;
    padding:8px 10px;
    background:#0b1324;
    border:1px solid rgba(255,255,255,.18);
    color:#dbe7ff;
    font:700 11px "Space Grotesk",sans-serif;
    letter-spacing:.10em;
  }
  .about-code-visual .panel-tag b{
    color:var(--acid);
    font-weight:800;
  }

  .step{
    position:relative;
    transition:.28s cubic-bezier(.2,.7,.2,1);
    cursor:pointer;
  }
  .step:before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    bottom:0;
    width:0;
    background:linear-gradient(90deg,rgba(21,87,255,.09),rgba(21,87,255,.02));
    transition:.28s ease;
    z-index:0;
  }
  .step > div{
    position:relative;
    z-index:1;
  }
  .step:hover{
    padding-left:16px;
    padding-right:16px;
  }
  .step:hover:before{
    width:100%;
  }
  .step:hover .step-num{
    transform:translateX(8px);
    color:#0f47da;
  }
  .step:hover h3{
    color:var(--blue);
  }
  .step:hover p{
    color:#4d6484;
  }
  .step-num{
    transition:.25s ease;
  }
  .step h3, .step p{
    transition:.25s ease;
  }

  .growth-card{
    transition:.3s cubic-bezier(.2,.7,.2,1);
    cursor:pointer;
  }
  .growth-card:before{
    content:"";
    position:absolute;
    left:0;top:0;
    width:0;height:5px;
    background:var(--blue);
    transition:.28s ease;
  }
  .growth-card:hover{
    transform:translateY(-8px);
    background:#eef4ff;
  }
  .growth-card:hover:before{
    width:100%;
  }
  .growth-card:hover .service-icon{
    transform:translate(-3px,-3px) scale(1.04);
    background:var(--blue);
    box-shadow:8px 8px 0 rgba(21,87,255,.12);
  }
  .growth-card:hover h3{
    color:var(--blue);
  }
  .growth-card:hover .bigicon{
    opacity:.08;
    transform:scale(1.04);
  }
  .growth-card .bigicon,
  .growth-card h3{
    transition:.25s ease;
  }

  .footer-contact{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:18px;
    align-items:stretch;
  }
  .footer-card{
    background:#fff;
    border:1px solid var(--line2);
    padding:18px 18px 16px;
  }
  .footer-card h4{
    margin:0 0 12px;
    font-size:13px;
    color:var(--blue);
    font-family:system-ui,sans-serif;
    letter-spacing:.12em;
  }
  .contact-list{
    display:grid;
    gap:10px;
  }
  .contact-item{
    display:grid;
    grid-template-columns:22px 1fr;
    gap:10px;
    align-items:start;
    color:#42566f;
    font-size:13px;
    line-height:1.7;
  }
  .contact-item i{
    width:16px;height:16px;
    color:var(--blue);
    margin-top:3px;
  }
  .contact-item b{
    display:block;
    color:var(--ink);
    font-size:13px;
    margin-bottom:1px;
  }
  .footer-qr{
    display:flex;
    flex-direction:column;
    gap:10px;
    align-items:center;
    justify-content:center;
    text-align:center;
  }
  .qr-frame{
    width:112px;
    height:112px;
    border:1px solid var(--ink);
    padding:8px;
    background:#fff;
    box-shadow:7px 7px 0 rgba(21,87,255,.08);
  }
  .footer-qr svg,
  .footer-qr img{
    width:100%;
    height:100%;
    display:block;
    object-fit:contain;
    background:#fff;
  }
  .qr-label{
    font-size:12px;
    color:#53677f;
    line-height:1.65;
  }
  .qr-label b{
    display:block;
    color:var(--ink);
    font-size:13px;
    margin-bottom:2px;
  }


  /* FOOTER */
  footer{
    border-top:1px solid var(--ink);
    padding:46px 0 58px;
    color:#6f7f94;
    background:#f2f5f9;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:minmax(260px,.85fr) minmax(420px,1.15fr) auto;
    gap:26px;
    align-items:start
  }
  .footer-brand{color:var(--ink);font-size:22px;font-weight:900;margin-bottom:8px}
  .footer-sitemap{
    min-width:330px;
  }
  .footer-sitemap-title{
    margin-bottom:10px;
    font:800 11px "Space Grotesk",sans-serif;
    letter-spacing:.14em;
    color:var(--blue);
  }
  .footer-links{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:0;
    font-size:12px;
    border:1px solid var(--line2);
    background:#fff;
  }
  .footer-links a{
    padding:11px 13px;
    border-right:1px solid var(--line2);
    border-bottom:1px solid var(--line2);
    background:#fff;
    text-align:center;
    transition:.2s ease;
  }
  .footer-links a:nth-child(3n){border-right:0}
  .footer-links a:nth-last-child(-n+3){border-bottom:0}
  .footer-links a:hover{
    color:var(--blue);
    background:#eef4ff;
  }
  .copyright{
    display:flex;
    flex-wrap:wrap;
    gap:12px 18px;
    align-items:center;
    font-size:10px;
    margin-top:26px;
    color:#8a98aa;
  }
  .icp-link{
    color:#64758d;
    padding-left:18px;
    position:relative;
  }
  .icp-link:before{
    content:"";
    position:absolute;
    left:0;top:50%;
    width:8px;height:8px;
    border:1px solid #7e90a7;
    transform:translateY(-50%) rotate(45deg);
  }
  .icp-link:hover{color:var(--blue)}


  .hero-title-wrap{
    position:relative;
  }
  .hero-title-wrap:after{
    content:"";
    position:absolute;
    left:0;
    top:22%;
    width:130px;
    height:12px;
    background:var(--acid);
    opacity:.95;
    animation:titleMarker 4s ease-in-out infinite;
  }
  .hero-title-wrap:before{
    content:"";
    position:absolute;
    right:8%;
    bottom:16%;
    width:90px;
    height:90px;
    border:1px solid rgba(21,87,255,.18);
    transform:rotate(12deg);
    animation:framePulse 6s ease-in-out infinite;
  }
  h1{
    position:relative;
    z-index:2;
  }
  h1 .accent{
    position:relative;
    display:inline-block;
  }
  h1 .accent:after{
    content:"";
    position:absolute;
    left:0;
    bottom:8px;
    width:100%;
    height:14px;
    background:rgba(21,87,255,.10);
    z-index:-1;
    animation:accentSlide 5s ease-in-out infinite;
  }

  .visual .scanline{
    position:absolute;
    left:0;
    right:0;
    height:70px;
    top:-80px;
    background:linear-gradient(180deg, rgba(21,87,255,0) 0%, rgba(21,87,255,.10) 50%, rgba(21,87,255,0) 100%);
    animation:scanDown 7s linear infinite;
    pointer-events:none;
  }
  .visual .beam{
    position:absolute;
    width:1px;
    height:760px;
    right:64px;
    top:-120px;
    background:linear-gradient(180deg, rgba(21,87,255,0), rgba(21,87,255,.22), rgba(21,87,255,0));
    transform:rotate(21deg);
    animation:beamMove 9s ease-in-out infinite;
    pointer-events:none;
  }
  .visual .pulse-dot{
    position:absolute;
    width:10px;
    height:10px;
    background:var(--acid);
    border:1px solid var(--ink);
    box-shadow:0 0 0 0 rgba(184,255,59,.45);
    animation:pulseDot 2.8s ease-out infinite;
  }
  .visual .pulse-dot.d1{left:82px;bottom:88px}
  .visual .pulse-dot.d2{right:118px;top:118px;animation-delay:.9s}
  .visual .pulse-dot.d3{left:48%;top:16%;animation-delay:1.5s}
  .visual .wire{
    position:absolute;
    border-top:1px solid rgba(21,87,255,.14);
    transform-origin:left center;
    pointer-events:none;
  }
  .visual .wire.w1{
    left:40px;top:118px;width:180px;transform:rotate(18deg);
    animation:wireShiftA 8s ease-in-out infinite;
  }
  .visual .wire.w2{
    right:58px;bottom:110px;width:200px;transform:rotate(-17deg);
    animation:wireShiftB 9s ease-in-out infinite;
  }
  .visual .wire.w3{
    left:190px;bottom:88px;width:150px;transform:rotate(-42deg);
    animation:wireShiftC 7.2s ease-in-out infinite;
  }

  .hero-meta div{
    position:relative;
    overflow:hidden;
  }
  .hero-meta div:after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:3px;
    background:var(--blue);
    animation:metaLine 6s ease-in-out infinite;
  }
  .hero-meta div:nth-child(2):after{animation-delay:.6s}
  .hero-meta div:nth-child(3):after{animation-delay:1.2s}

  .service-icon{
    transition:.25s ease;
  }
  .service:hover .service-icon{
    transform:translate(-3px,-3px);
    box-shadow:6px 6px 0 rgba(21,87,255,.12);
    background:var(--blue);
  }

  .btn-primary{
    position:relative;
    overflow:hidden;
  }
  .btn-primary:before{
    content:"";
    position:absolute;
    top:0;
    left:-120%;
    width:100%;
    height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,.28), transparent);
    transform:skewX(-24deg);
  }
  .btn-primary:hover:before{
    animation:buttonSweep .8s ease;
  }

  @keyframes spinMorph{
    0%{transform:translate(-50%,-50%) rotate(45deg)}
    50%{transform:translate(-50%,-50%) rotate(52deg)}
    100%{transform:translate(-50%,-50%) rotate(45deg)}
  }
  @keyframes driftA{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(-10px)}
  }
  @keyframes driftB{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(12px)}
  }
  @keyframes driftC{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(-8px)}
  }
  @keyframes scanDown{
    0%{top:-90px}
    100%{top:100%}
  }
  @keyframes pulseDot{
    0%{box-shadow:0 0 0 0 rgba(184,255,59,.42); transform:scale(1)}
    70%{box-shadow:0 0 0 14px rgba(184,255,59,0); transform:scale(1.15)}
    100%{box-shadow:0 0 0 0 rgba(184,255,59,0); transform:scale(1)}
  }
  @keyframes beamMove{
    0%,100%{transform:rotate(21deg) translateY(0)}
    50%{transform:rotate(24deg) translateY(24px)}
  }
  @keyframes wireShiftA{
    0%,100%{transform:rotate(18deg) translateX(0)}
    50%{transform:rotate(18deg) translateX(20px)}
  }
  @keyframes wireShiftB{
    0%,100%{transform:rotate(-17deg) translateX(0)}
    50%{transform:rotate(-17deg) translateX(-16px)}
  }
  @keyframes wireShiftC{
    0%,100%{transform:rotate(-42deg) translateY(0)}
    50%{transform:rotate(-42deg) translateY(-10px)}
  }
  @keyframes titleMarker{
    0%,100%{transform:translateX(0)}
    50%{transform:translateX(24px)}
  }
  @keyframes framePulse{
    0%,100%{transform:rotate(12deg) scale(1);opacity:1}
    50%{transform:rotate(18deg) scale(1.05);opacity:.65}
  }
  @keyframes accentSlide{
    0%,100%{transform:scaleX(.84);transform-origin:left center}
    50%{transform:scaleX(1);transform-origin:left center}
  }
  @keyframes metaLine{
    0%,20%{width:0}
    45%,80%{width:100%}
    100%{width:0}
  }
  @keyframes buttonSweep{
    0%{left:-120%}
    100%{left:140%}
  }


  /* MOTION */
  .reveal{
    opacity:0;
    transform:translateY(18px);
    transition:.7s cubic-bezier(.2,.7,.2,1);
  }
  .reveal.show{opacity:1;transform:none}

  @media(max-width:1100px){
    .nav{grid-template-columns:240px 1fr 140px;padding:0 18px}
    .navlinks a{padding:0 10px;font-size:12px}
    .hero-grid{grid-template-columns:1fr}
    .visual{height:500px}
    .service,.service.big{grid-column:span 6}
    .systems{padding:54px 34px}
    .system-list{grid-template-columns:repeat(2,1fr)}
    .footer-grid{
      grid-template-columns:1fr;
    }
    .footer-contact{
      grid-template-columns:1fr 1fr;
    }
  }

  @media(max-width:820px){
    .hero-title-wrap:after,.hero-title-wrap:before,.visual .beam,.visual .wire{display:none}

    .wrap{width:min(100% - 30px,var(--max))}
    .nav{height:72px;grid-template-columns:1fr auto}
    .navlinks{display:none}
    .hero{padding-top:130px}
    .about-code-visual{right:30px;top:74px;transform:scale(.88);transform-origin:top right}
    .hero:before{display:none}
    h1{font-size:66px}
    .hero-meta{grid-template-columns:1fr}
    .hero-meta div,.hero-meta div:nth-child(2),.hero-meta div:last-child{
      padding:14px 0;border-right:0;border-bottom:1px solid var(--line2)
    }
    .section-head{grid-template-columns:1fr;gap:22px}
    .service,.service.big{grid-column:span 12}
    .process{grid-template-columns:1fr;gap:40px}
    .sticky{position:static}
    .growth{grid-template-columns:1fr}
    .news-title-grid{grid-template-columns:1fr}
    .news-title-item,.news-title-item:nth-child(3n){border-right:0}
    .news-title-head{grid-template-columns:1fr}
    .cta{padding:54px 28px}
    .cta:before,.cta:after{display:none}
  }

  @media(max-width:560px){
    .nav{padding:0 12px}
    .nav .btn{width:auto;min-height:40px}
    .brand small{display:none}
    .hero{padding-top:118px}
    .about-code-visual{display:none}
    h1{font-size:50px}
    .visual{height:430px}
    .orb{width:190px;height:190px}
    .r1{width:280px;height:190px}
    .r2{width:330px;height:230px}
    .fc1{left:12px;top:40px}
    .fc2{right:12px;top:150px}
    .fc3{left:24px;bottom:22px}
    section{padding:82px 0}
    .systems{padding:40px 22px}
    .system-list{grid-template-columns:1fr}
    .footer-grid{display:block}
    .footer-contact{grid-template-columns:1fr;margin-top:20px}
    .footer-sitemap{margin-top:22px;min-width:0}
    .footer-links{grid-template-columns:repeat(2,1fr);border:1px solid var(--line2)}
    .footer-links a,
    .footer-links a:nth-child(3n),
    .footer-links a:nth-last-child(-n+3){
      border-right:1px solid var(--line2);
      border-bottom:1px solid var(--line2);
      margin:0;
    }
    .footer-links a:nth-child(2n){border-right:0}
    .footer-links a:nth-last-child(-n+2){border-bottom:0}
  }

/* ============ 移动端导航与标题优化 ============ */
.nav-menu-toggle,
.navlinks a.nav-menu-contact,
.brand-mobile-name {
  display: none !important;
}

@media(max-width:820px){
  .nav {
    height: 60px;
    grid-template-columns: 1fr auto;
    padding: 0 18px;
  }

  .brand-text {
    display: none;
  }

  .brand-mobile-name {
    display: block !important;
    color: var(--ink);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -.02em;
  }

  .nav .btn {
    display: none;
  }

  .nav-menu-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: #fff;
    cursor: pointer;
  }

  .nav-menu-toggle svg {
    width: 20px;
    height: 20px;
  }

  .navlinks {
    display: none;
    position: absolute;
    top: 68px;
    right: 18px;
    left: 18px;
    width: auto;
    height: auto;
    padding: 6px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    border: 1px solid var(--line2);
    background: rgba(247, 249, 252, .98);
    box-shadow: 0 16px 30px rgba(15, 23, 42, .14);
  }

  .nav.nav-open .navlinks {
    display: flex;
  }

  .navlinks a,
  .navlinks a.nav-menu-contact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: auto;
    min-height: 44px;
    padding: 10px 12px;
    border: 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }

  .navlinks a.nav-menu-contact {
    display: flex !important;
  }

  .navlinks a:last-child {
    border-bottom: 0;
  }

  .navlinks .nav-menu-contact {
    color: var(--blue);
    font-weight: 900;
  }

  .hero h1,
  .blog-title,
  .about-title,
  .contact-title,
  .seo-detail-title,
  .subhero h1,
  .sys-hero h1 {
    font-size: 44px !important;
    line-height: .96 !important;
    letter-spacing: -.055em !important;
  }

  .article-page-title {
    font-size: 34px !important;
    line-height: 1.12 !important;
    letter-spacing: -.045em !important;
  }

  .section-head h2,
  .blog-head h2,
  .about-head h2,
  .seo-section-head h2 {
    font-size: 36px !important;
    line-height: 1.08 !important;
  }

  .service-titlebox h2,
  .about-card h3,
  .growth-card h3 {
    font-size: 24px !important;
    line-height: 1.2 !important;
  }
}

@media(max-width:560px){
  .nav {
    padding: 0 12px;
  }

  .contact-page,
  .about-page {
    padding-top: 0 !important;
  }

  .contact-hero,
  .about-hero,
  .blog-hero,
  .subhero,
  .sys-hero,
  .seo-detail-hero {
    padding-top: 72px !important;
    padding-bottom: 24px !important;
  }

  .hero {
    padding-bottom: 24px;
  }

  #services {
    padding-top: 24px;
  }

  .hero-actions {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .hero-actions .btn {
    width: auto;
    min-width: 0;
    flex: 1 1 0;
    padding-left: 8px;
    padding-right: 8px;
    font-size: 12px;
    white-space: nowrap;
  }

  .hero-actions .btn svg {
    width: 16px;
    height: 16px;
  }

  .navlinks {
    top: 68px;
    right: 12px;
    left: 12px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }

  .hero h1,
  .blog-title,
  .about-title,
  .contact-title,
  .seo-detail-title,
  .subhero h1,
  .sys-hero h1 {
    font-size: 38px !important;
  }

  .article-page-title {
    font-size: 30px !important;
  }

  .section-head h2,
  .blog-head h2,
  .about-head h2,
  .seo-section-head h2 {
    font-size: 32px !important;
  }
}