:root{
    --bg:#07111d;
    --bg-2:#0a1725;
    --panel:#0d1b2a;
    --panel-2:#101f30;
    --line:rgba(255,255,255,.12);
    --line-strong:rgba(255,255,255,.22);
    --text:#f4f6f8;
    --muted:#9ba8b7;
    --soft:#c6ced7;
    --red:#df1824;
    --red-2:#ff2b35;
    --white:#fff;
    --shadow:0 24px 60px rgba(0,0,0,.28);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    color:var(--text);
    background:var(--bg); 
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  button,input,textarea,select{font:inherit}
  img{display:block;max-width:100%}
  .container{width:min(1380px,calc(100% - 64px));margin:auto}
  .eyebrow{
    display:flex;align-items:center;gap:12px;
    color:#c9d1da;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  }
  .eyebrow:before{content:"";width:28px;height:2px;background:var(--red)}
  .display{
    margin:18px 0 0;
    font-size:clamp(48px,7.2vw,116px);
    line-height:.92;
    letter-spacing:-.055em;
    font-weight:650;
  }
  .display em{font-style:normal;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.56)}

  /* Hero */

  /* Hero */
  .hero{
    --gtig-contact-hero:url('/assets/images/ai-hd/hero-hd.webp');
    min-height:720px;position:relative;display:flex;align-items:flex-end;overflow:hidden;
    background-image:linear-gradient(90deg,rgba(4,12,20,.97) 0%,rgba(4,12,20,.76) 42%,rgba(4,12,20,.26) 74%,rgba(4,12,20,.2) 100%),
      var(--gtig-contact-hero);
    background-size:cover;background-position:center 43%;
  }
  .hero:after{content:"";position:absolute;inset:auto 0 0;height:210px;background:linear-gradient(transparent,var(--bg))}
  .hero-grid{
    position:absolute;inset:0;pointer-events:none;opacity:.26;
    background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
    background-size:84px 84px;
    mask-image:linear-gradient(to right,black,transparent 72%);
  }
  .hero-content{position:relative;z-index:4;padding:175px 0 118px;width:min(920px,78%)}
  .hero-copy{margin-top:30px;max-width:630px;font-size:17px;line-height:1.72;color:#b6c0cb}
  .hero-meta{display:flex;gap:18px;align-items:center;margin-top:40px;color:#d7dde4;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
  .hero-meta span{display:flex;align-items:center;gap:8px}
  .hero-meta i{width:5px;height:5px;border-radius:50%;background:var(--red);display:inline-block}
  .hero-index{position:absolute;right:32px;bottom:88px;z-index:5;writing-mode:vertical-rl;color:rgba(255,255,255,.45);font-size:11px;letter-spacing:.18em;text-transform:uppercase}

  /* Intro */
  .intro{padding:122px 0 88px;border-bottom:1px solid var(--line)}
  .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px;align-items:start}
  .section-number{font-size:12px;color:#7f8b99;letter-spacing:.18em;text-transform:uppercase;margin-bottom:28px}
  .intro h2{margin:0;font-size:clamp(38px,4.3vw,68px);line-height:1.03;letter-spacing:-.035em;font-weight:600;max-width:700px}
  .intro h2 span{color:#7f8b99}
  .intro-right{padding-top:42px}
  .intro-right p{margin:0;color:#aeb8c4;font-size:17px;line-height:1.8;max-width:640px}
  .response-row{display:grid;grid-template-columns:repeat(3,1fr);margin-top:42px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .response-item{padding:22px 18px 22px 0;border-right:1px solid var(--line)}
  .response-item:last-child{border-right:0;padding-left:18px}
  .response-item:nth-child(2){padding-left:18px}
  .response-item strong{display:block;font-size:22px;font-weight:520;margin-bottom:8px}
  .response-item span{font-size:11px;color:#8794a2;text-transform:uppercase;letter-spacing:.1em}

  /* Contact layout */
  .contact-section{padding:110px 0 120px}
  .contact-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:86px;align-items:start}
  .info-side{position:sticky;top:32px}
  .info-side h3{font-size:42px;line-height:1.08;letter-spacing:-.03em;font-weight:560;margin:18px 0 38px}
  .office-list{border-top:1px solid var(--line-strong)}
  .office-card{display:grid;grid-template-columns:78px 1fr;gap:26px;padding:32px 0;border-bottom:1px solid var(--line);position:relative;transition:.25s}
  .office-card:hover{padding-left:10px}
  .office-no{font-size:13px;color:var(--red);font-weight:800;letter-spacing:.15em}
  .office-name{font-size:22px;font-weight:540;margin-bottom:12px}
  .office-address{color:#98a5b3;line-height:1.7;font-size:14px;max-width:470px}
  .contact-direct{margin-top:40px;display:grid;gap:12px}
  .direct-row{
    display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);
  }
  .direct-label{font-size:11px;color:#7f8b99;letter-spacing:.13em;text-transform:uppercase}
  .direct-value{font-size:15px;color:#f1f4f7;text-align:right}
  .direct-value:hover{color:#fff}

  /* Form */
  .form-card{
    background:linear-gradient(145deg,rgba(18,34,51,.96),rgba(10,24,38,.98));
    border:1px solid rgba(255,255,255,.13);
    padding:54px 54px 44px;
    box-shadow:var(--shadow);position:relative;overflow:hidden;
  }
  .form-card:before{content:"";position:absolute;width:330px;height:330px;right:-180px;top:-190px;border:1px solid rgba(223,24,36,.34);border-radius:50%;box-shadow:0 0 0 52px rgba(223,24,36,.03),0 0 0 106px rgba(223,24,36,.02)}
  .form-top{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
  .form-card h3{font-size:38px;font-weight:550;letter-spacing:-.03em;margin:14px 0 0}
  .form-note{font-size:12px;color:#82909e;line-height:1.6;max-width:170px;text-align:right}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;position:relative;z-index:1}
  .field{position:relative;padding-top:7px;margin-bottom:29px}
  .field.full{grid-column:1/-1}
  .field label{display:block;font-size:10px;color:#7f8c9a;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
  .field input,.field select,.field textarea{
    width:100%;border:0;border-bottom:1px solid rgba(255,255,255,.24);background:transparent;color:#ffffff75;outline:none;padding:5px 0 13px;font-size:15px;transition:.25s;
  }
  .field option{background:#0D1B2A;}
  .field textarea{resize:vertical;min-height:118px;line-height:1.65}
  .field input::placeholder,.field textarea::placeholder{color:#657381}
  .field input:focus,.field textarea:focus{border-color:var(--red)}
  .form-submit{margin-top:6px;display:flex;align-items:center;justify-content:space-between;gap:20px}
  .submit-btn{
    border:0;background:var(--red);color:#fff;min-width:210px;height:58px;padding:0 24px;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;font-weight:750;letter-spacing:.07em;text-transform:uppercase;font-size:11px;transition:.3s;
  }
  .submit-btn:hover{background:var(--red-2);transform:translateY(-2px)}
  .privacy{font-size:11px;color:#71808e;line-height:1.55;max-width:290px}
  .success-message{display:none;margin-top:18px;padding:13px 15px;border-left:2px solid #41d87e;background:rgba(65,216,126,.08);color:#bff2d1;font-size:13px}

  /* Project strip */
  .project-strip{background:#eef1f4;color:#0b1420;padding:92px 0}
  .project-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:100px;align-items:center}
  .project-strip .eyebrow{color:#47515d}.project-strip .eyebrow:before{background:var(--red)}
  .project-strip h2{font-size:clamp(40px,5.2vw,80px);line-height:.98;letter-spacing:-.045em;font-weight:620;margin:18px 0 0}
  .project-strip h2 span{color:#7d8792}
  .project-options{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #c7cdd3;border-bottom:1px solid #c7cdd3}
  .option{padding:28px 26px 28px 0;border-right:1px solid #c7cdd3}
  .option:last-child{padding-left:26px;border-right:0}
  .option .num{font-size:11px;color:var(--red);font-weight:800;letter-spacing:.13em;margin-bottom:22px}
  .option strong{display:block;font-size:17px;margin-bottom:8px}
  .option p{margin:0;font-size:13px;line-height:1.65;color:#6b7580}

  /* reveal */

  /* reveal */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}

  @media(max-width:1100px){
    .hero-content{width:88%}.intro-grid,.contact-layout,.project-inner{grid-template-columns:1fr;gap:56px}
    .intro-right{padding-top:0}.info-side{position:relative;top:auto}.contact-layout{gap:64px}
  }
  @media(max-width:720px){
    .container{width:min(100% - 34px,1380px)}
    .hero{min-height:630px;background-position:62% center}.hero-content{padding:140px 0 90px;width:100%}.display{font-size:clamp(52px,16vw,78px)}
    .hero-copy{font-size:15px}.hero-meta{flex-wrap:wrap}.hero-index{display:none}
    .intro,.contact-section{padding:80px 0}.intro-grid{gap:40px}.response-row{grid-template-columns:1fr}.response-item,.response-item:nth-child(2),.response-item:last-child{padding:18px 0;border-right:0;border-bottom:1px solid var(--line)}.response-item:last-child{border-bottom:0}
    .office-card{grid-template-columns:48px 1fr;gap:10px}.office-name{font-size:19px}
    .form-card{padding:38px 24px 32px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-top{display:block}.form-note{text-align:left;margin-top:13px}.form-card h3{font-size:32px}.form-submit{align-items:flex-start;flex-direction:column}.submit-btn{width:100%}.privacy{max-width:none}
    .project-strip{padding:72px 0}.project-options{grid-template-columns:1fr}.option,.option:last-child{padding:22px 0;border-right:0;border-bottom:1px solid #c7cdd3}.option:last-child{border-bottom:0}
  }

/* ---- 本站补充（同步脚本追加）---- */
.form-honeypot{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.success-message.is-loading{border-left-color:#7f8b99;background:rgba(255,255,255,.06);color:#c6ced7}
.success-message.is-success{border-left-color:#41d87e;background:rgba(65,216,126,.08);color:#bff2d1}
.success-message.is-error{border-left-color:#ff6b6b;background:rgba(255,107,107,.09);color:#ffd7d7}
.captcha-row{display:flex;align-items:center;gap:16px}
.captcha-row .captcha-image{width:86px;height:34px;flex:0 0 auto;border:1px solid rgba(255,255,255,.24);background:#f8efda}
.captcha-row input{flex:1 1 auto;min-width:0}
.captcha-refresh{flex:0 0 auto;border:0;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.24);background:transparent;color:#9ba8b7;font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;cursor:pointer;transition:.25s}
.captcha-refresh:hover{color:#fff;border-color:var(--red)}
.submit-btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}