:root{
    --ink:#14162e;
    --ink-soft:#4d5273;
    --ink-mute:#6b7093;
    --line:#e5e8f6;
    --violet:#7c3aed;
    --blue:#2563eb;
    --cyan:#06b6d4;
    --pink:#ec4899;
    --gold:#f59e0b;
    --radius:18px;
    --shadow-sm:0 8px 24px rgba(45,50,110,.06);
    --shadow-md:0 16px 36px rgba(45,50,110,.12);
    --shadow-neon:0 14px 34px rgba(124,58,237,.18);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN",system-ui,sans-serif;
    color:var(--ink);
    font-size:16px;
    line-height:1.72;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    pointer-events:none;
    background:
      radial-gradient(760px 460px at 6% -4%, rgba(124,58,237,.20), transparent 62%),
      radial-gradient(720px 440px at 96% 0%, rgba(6,182,212,.18), transparent 64%),
      radial-gradient(920px 560px at 50% 104%, rgba(236,72,153,.12), transparent 66%),
      #f6f7fd;
  }
  .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
  h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.3px;color:#121530}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  img{max-width:100%}
  a{color:inherit}
  section[id]{scroll-margin-top:88px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
    text-decoration:none;border:1px solid transparent;cursor:pointer;
    transition:transform .24s ease, box-shadow .24s ease, background-color .24s ease, border-color .24s ease;
    white-space:nowrap;
  }
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-lg{padding:14px 30px;font-size:16px}
  .btn-primary{
    background:linear-gradient(120deg,#7c3aed,#2563eb 58%,#06b6d4);
    color:#fff;
    box-shadow:0 12px 26px rgba(37,99,235,.28);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(37,99,235,.36)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{
    background:#fff;color:#1b1f3a;border-color:#dcdef0;
    box-shadow:0 6px 16px rgba(45,50,110,.07);
  }
  .btn-ghost:hover{transform:translateY(-2px);border-color:#b9bdf0;box-shadow:0 14px 28px rgba(45,50,110,.12)}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:120;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(229,232,246,.95);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;min-height:70px;
  }
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
  .ai-page-logo{width:40px;display:block}
  .brand-text{display:flex;flex-direction:column;line-height:1.2}
  .brand-text strong{font-size:17px;font-weight:800;color:#131635;letter-spacing:.2px}
  .brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-mute);letter-spacing:.4px}
  .nav{flex:1 1 auto;display:flex;justify-content:center}
  .nav-links{display:flex;gap:0;align-items:center;flex-wrap:wrap;justify-content:center}
  .nav-links a{
    display:block;padding:8px 10px;font-size:14px;color:#2b2f4a;
    text-decoration:none;border-radius:8px;transition:color .22s ease, background-color .22s ease;
    white-space:nowrap;
  }
  .nav-links a:hover{color:#6d28d9;background:rgba(124,58,237,.08)}
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:12px;border:1px solid #e2e5f4;
    background:#fff;color:#262a4a;cursor:pointer;transition:.22s;
  }
  .nav-toggle:hover{border-color:#c4c8ee;color:#6d28d9}

  /* ---------- hero ---------- */
  .hero{position:relative;overflow:hidden;padding:66px 0 58px}
  .hero .container{position:relative;z-index:2}
  .glow{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0}
  .glow-a{width:420px;height:420px;background:rgba(124,58,237,.32);top:-170px;left:-130px;animation:floatA 12s ease-in-out infinite}
  .glow-b{width:380px;height:380px;background:rgba(6,182,212,.28);top:-120px;right:-120px;animation:floatB 14s ease-in-out infinite}
  .glow-c{width:320px;height:320px;background:rgba(236,72,153,.16);bottom:-180px;left:44%;animation:floatA 16s ease-in-out infinite}
  @keyframes floatA{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(24px,18px,0)}}
  @keyframes floatB{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-26px,16px,0)}}
  .hero-head{max-width:900px;margin-inline:auto;text-align:center}
  .eyebrow{
    display:inline-block;padding:7px 16px;border-radius:999px;
    font-size:13.5px;font-weight:600;color:#5b21b6;
    background:rgba(255,255,255,.92);border:1px solid #ded6fe;
    box-shadow:0 6px 16px rgba(124,58,237,.12);
  }
  .hero h1{
    font-size:clamp(28px,4.6vw,50px);
    margin:20px 0 16px;letter-spacing:-1.2px;color:#101332;
    animation:riseIn .8s cubic-bezier(.2,.7,.3,1) both;
  }
  .hero-lead{
    color:#474c6d;font-size:clamp(15px,1.6vw,17.5px);
    max-width:760px;margin:0 auto;
    animation:riseIn .8s .1s cubic-bezier(.2,.7,.3,1) both;
  }
  .hero-actions{
    display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;
    animation:riseIn .8s .2s cubic-bezier(.2,.7,.3,1) both;
  }
  .hero-note{
    margin-top:18px;font-size:13.5px;color:#666b8d;
    animation:riseIn .8s .28s cubic-bezier(.2,.7,.3,1) both;
  }
  @keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  .stat-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;
  }
  .stat{
    background:rgba(255,255,255,.9);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:22px 18px;text-align:center;
    box-shadow:var(--shadow-sm);
    transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  }
  .stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-neon);border-color:#d7d1fa}
  .stat b{display:block;font-size:clamp(22px,2.8vw,30px);font-weight:800;color:#5b21b6;letter-spacing:-.6px}
  .stat span{display:block;font-size:13.5px;color:#5a5f80;margin-top:4px}

  /* ---------- section basic ---------- */
  .section{padding:66px 0}
  .section-alt{
    background:rgba(255,255,255,.74);
    border-top:1px solid rgba(229,232,246,.9);
    border-bottom:1px solid rgba(229,232,246,.9);
  }
  .section-head{max-width:820px;margin-bottom:34px}
  .kicker{
    display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
    color:#6d28d9;padding:5px 12px;border-radius:999px;
    background:rgba(124,58,237,.09);margin-bottom:12px;
  }
  .section-head h2{font-size:clamp(21px,2.7vw,30px);color:#131635;margin-bottom:12px}
  .section-head p{color:#4d5273;font-size:15.5px}

  /* ---------- cards ---------- */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow-sm);
    transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d2d6f2}
  .card h3{font-size:17.5px;margin-bottom:9px;color:#161a3a}
  .card p{color:#525780;font-size:14.5px}

  /* about */
  .about-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:start}
  .about-copy p + p{margin-top:14px}
  .about-copy p{color:#4d5273;font-size:15.5px}
  .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}
  .feature-item{
    background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;
    box-shadow:var(--shadow-sm);transition:transform .26s ease, box-shadow .26s ease;
  }
  .feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
  .feature-item strong{display:block;font-size:15px;color:#181c3d;margin-bottom:4px}
  .feature-item span{display:block;font-size:13.5px;color:#5d6288;line-height:1.6}
  .about-figure{
    margin:0;border-radius:20px;overflow:hidden;background:#fff;
    border:1px solid var(--line);box-shadow:0 20px 44px rgba(45,50,110,.12);
  }
  .about-figure img{display:block;width:100%;height:auto}

  /* services */
  .svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .svc-card{position:relative;overflow:hidden;padding-top:26px}
  .svc-card::before{
    content:"";position:absolute;inset:0 0 auto 0;height:3px;
    background:linear-gradient(90deg,#7c3aed,#2563eb,#06b6d4);opacity:.9;
  }
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag-cloud li{
    padding:7px 14px;border-radius:999px;background:#fff;border:1px solid #e2e5f6;
    font-size:13.5px;color:#343a5e;box-shadow:0 3px 10px rgba(45,50,110,.05);
    transition:transform .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease;
  }
  .tag-cloud li:hover{transform:translateY(-2px);color:#5b21b6;border-color:#c3b7f7;box-shadow:0 10px 20px rgba(124,58,237,.14)}
  .cloud-title{margin-top:30px;font-size:14px;font-weight:700;color:#2b2f4a}
  .model-cloud{margin-top:12px}

  /* studio */
  .studio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .studio-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .28s ease, box-shadow .28s ease;
  }
  .studio-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .media-box{aspect-ratio:4/3;background:linear-gradient(140deg,#f1f2fb,#e9f4fd);overflow:hidden}
  .media-box img{display:block;width:100%;height:100%;object-fit:cover}
  .studio-body{padding:20px 22px 24px}
  .studio-body h3{font-size:17px;margin-bottom:8px;color:#161a3a}
  .studio-body p{color:#525780;font-size:14.5px}

  /* solutions */
  .sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .sol-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .28s ease, box-shadow .28s ease}
  .sol-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .sol-card h3{font-size:16.5px;margin-bottom:8px;color:#161a3a}
  .sol-card p{color:#525780;font-size:14.5px}

  /* network */
  .net-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
  .net-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
  .net-card h3{font-size:17px;margin-bottom:10px;color:#161a3a}
  .net-list li{
    display:flex;gap:10px;align-items:flex-start;
    padding:11px 0;border-bottom:1px dashed #edeffa;font-size:14.5px;color:#454a6d;
  }
  .net-list li:last-child{border-bottom:none;padding-bottom:0}
  .dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;margin-top:9px;background:linear-gradient(135deg,#7c3aed,#06b6d4)}

  /* process */
  .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
  .step{
    background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:22px 18px;box-shadow:var(--shadow-sm);
    transition:transform .28s ease, box-shadow .28s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .step-num{
    width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
    color:#fff;font-weight:700;font-size:14.5px;margin-bottom:12px;
    background:linear-gradient(135deg,#7c3aed,#2563eb);
    box-shadow:0 8px 18px rgba(124,58,237,.28);
  }
  .step h3{font-size:15.5px;margin-bottom:6px;color:#161a3a}
  .step p{font-size:13.5px;color:#5d6288;line-height:1.62}

  /* cases */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .28s ease, box-shadow .28s ease}
  .case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .case-label{
    display:inline-block;font-size:12.5px;font-weight:700;color:#5b21b6;
    background:rgba(124,58,237,.1);padding:4px 11px;border-radius:999px;margin-bottom:12px;
  }
  .case-card h3{font-size:17px;margin-bottom:8px;color:#161a3a}
  .case-card p{color:#525780;font-size:14.5px}
  .case-foot{margin-top:14px;font-size:13.5px;color:#0f766e;font-weight:600}

  /* review */
  .rating{
    display:flex;flex-wrap:wrap;align-items:center;gap:26px;
    padding:26px 28px;border-radius:20px;
    background:linear-gradient(120deg,#f7f2ff,#eef7ff 58%,#fff1f8);
    border:1px solid #e5ddfb;box-shadow:var(--shadow-sm);margin-bottom:24px;
  }
  .rating-score{font-size:46px;font-weight:800;color:#5b21b6;line-height:1;letter-spacing:-1.5px}
  .rating-meta{flex:1 1 260px}
  .rating-meta strong{display:block;font-size:17px;color:#181c3d;margin-bottom:6px}
  .rating-meta span{font-size:14.5px;color:#4d5273}
  .stars{color:var(--gold);font-size:19px;letter-spacing:3px;margin-top:8px}
  .rating-badge{
    padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;
    color:#065f46;background:#d1fae5;border:1px solid #a7f3d0;white-space:nowrap;
  }
  .table-wrap{
    overflow-x:auto;border-radius:16px;border:1px solid var(--line);
    background:#fff;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch;
  }
  table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
  thead th{
    background:linear-gradient(120deg,#f3f0ff,#eef6ff);
    color:#211f4a;text-align:left;padding:14px 16px;font-weight:700;
    white-space:nowrap;border-bottom:1px solid var(--line);
  }
  tbody td{padding:13px 16px;border-bottom:1px solid #f1f2fb;color:#3a3f5e;vertical-align:top}
  tbody tr:last-child td{border-bottom:none}
  tbody tr:hover td{background:#faf9ff}
  .col-hi{color:#5b21b6;font-weight:600;background:rgba(124,58,237,.05)}

  /* match */
  .match-wrap{
    display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;
  }
  .match-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
  .match-tags li{
    padding:8px 15px;border-radius:12px;background:#fff;border:1px solid #e2e5f6;
    font-size:13.5px;color:#343a5e;transition:.22s;cursor:default;
  }
  .match-tags li:hover{border-color:#c3b7f7;color:#5b21b6;transform:translateY(-2px)}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:6px}
  .field{display:flex;flex-direction:column;gap:7px}
  .field.full{grid-column:1 / -1}
  .field label{font-size:13.5px;font-weight:600;color:#2b2f4a}
  .field input,.field select,.field textarea{
    width:100%;padding:11px 14px;border:1px solid #dfe2f2;border-radius:12px;
    font-family:inherit;font-size:14.5px;color:#1b1f3a;background:#fff;
    transition:border-color .22s ease, box-shadow .22s ease;
  }
  .field textarea{resize:vertical;min-height:112px;line-height:1.65}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:#8b5cf6;box-shadow:0 0 0 4px rgba(124,58,237,.12);
  }
  .field input::placeholder,.field textarea::placeholder{color:#9aa0c0}
  .form-note{margin-top:14px;font-size:13px;color:#6b7093}
  .contact-info{display:grid;gap:14px}
  .info-row{
    display:flex;gap:12px;align-items:center;justify-content:space-between;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:14px 18px;box-shadow:var(--shadow-sm);
  }
  .info-row span{font-size:13.5px;color:#6b7093}
  .info-row strong{font-size:15px;color:#161a3a;word-break:break-all;text-align:right}
  .qr-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;
    display:flex;gap:16px;align-items:center;box-shadow:var(--shadow-sm);
  }
  .qr-card img{width:104px;border-radius:10px;display:block}
  .qr-card div span{display:block;font-size:13.5px;color:#6b7093;margin-top:4px}

  /* help / wiki / news */
  .help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .wiki-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .wiki-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow-sm);transition:transform .26s ease, box-shadow .26s ease}
  .wiki-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
  .wiki-item h3{font-size:15.5px;margin-bottom:6px;color:#161a3a}
  .wiki-item p{font-size:13.5px;color:#5d6288}
  .news-list{display:grid;gap:12px}
  .news-item{
    display:flex;gap:16px;align-items:center;justify-content:space-between;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:16px 20px;box-shadow:var(--shadow-sm);text-decoration:none;
    transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
  }
  .news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d2d6f2}
  .news-item strong{font-size:15px;color:#191d3e;font-weight:600}
  .news-item em{font-style:normal;font-size:13px;color:#7c3aed;white-space:nowrap;font-weight:600}

  /* reviews */
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .review-card{display:flex;flex-direction:column;justify-content:space-between;gap:18px}
  .review-text{font-size:14.5px;color:#414668;line-height:1.75}
  .review-user{display:flex;align-items:center;gap:12px}
  .avatar{
    width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
    color:#fff;font-weight:700;font-size:15px;
    background:linear-gradient(135deg,#7c3aed,#2563eb);
    flex:0 0 auto;
  }
  .review-user strong{display:block;font-size:14.5px;color:#161a3a}
  .review-user span{display:block;font-size:12.5px;color:#6b7093}

  /* faq */
  .faq-list{display:grid;gap:12px;max-width:960px;margin-inline:auto}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:14px;
    box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .26s ease, box-shadow .26s ease;
  }
  .faq-item:hover{border-color:#d5d9f5}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:17px 20px;background:none;border:none;cursor:pointer;
    font-family:inherit;font-size:15px;font-weight:600;color:#1a1e3f;text-align:left;
    transition:color .22s ease;
  }
  .faq-q:hover{color:#5b21b6}
  .faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:#7c3aed;border-radius:2px;
    transform:translate(-50%,-50%);transition:transform .28s ease, opacity .28s ease;
  }
  .faq-icon::before{width:14px;height:2px}
  .faq-icon::after{width:2px;height:14px}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
  .faq-a p{padding:0 20px 18px;font-size:14.5px;color:#4d5273;line-height:1.78}

  /* agent */
  .agent-card{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
    padding:30px;border-radius:22px;
    background:linear-gradient(120deg,#1c1b4b,#2b2a68 55%,#1f3b6e);
    color:#fff;box-shadow:0 24px 50px rgba(28,27,75,.28);
    position:relative;overflow:hidden;
  }
  .agent-card::after{
    content:"";position:absolute;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(6,182,212,.4),transparent 70%);
    right:-90px;top:-120px;pointer-events:none;
  }
  .agent-card h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
  .agent-card p{color:#cfd3f2;font-size:14.5px;max-width:640px}
  .agent-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
  .btn-light{background:#fff;color:#1b1f3a;border-color:#fff;box-shadow:0 12px 26px rgba(0,0,0,.18)}
  .btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(0,0,0,.24)}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

  /* footer */
  .site-footer{
    background:#ffffff;
    border-top:1px solid var(--line);
    color:#3a3f5e;
    padding:34px 0 26px;
  }
  .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px}
  .footer-brand img{width:34px;display:block}
  .footer-brand strong{font-size:16px;color:#14162e}
  .footer-about{font-size:13.5px;color:#5d6288;line-height:1.75;max-width:520px}
  .footer-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
  .footer-links a{
    font-size:13.5px;color:#3a3f5e;text-decoration:none;
    padding:6px 13px;border-radius:999px;border:1px solid #e5e8f6;background:#fbfbfe;
    transition:.22s;
  }
  .footer-links a:hover{color:#5b21b6;border-color:#c9c1f6;background:#f6f2ff}
  .footer-title{font-size:13.5px;font-weight:700;color:#14162e;margin-bottom:10px}
  .footer-bottom{
    margin-top:24px;padding-top:16px;border-top:1px solid #eef0fa;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:#6b7093;
  }
  .footer-bottom a{color:#4d5273;text-decoration:none}
  .footer-bottom a:hover{color:#5b21b6}

  /* float */
  .float-stack{position:fixed;right:18px;bottom:22px;z-index:140;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
  .float-btn{
    width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;
    display:grid;place-items:center;color:#fff;font-size:13.5px;font-weight:700;
    background:linear-gradient(135deg,#7c3aed,#2563eb);
    box-shadow:0 12px 26px rgba(37,99,235,.34);
    transition:transform .24s ease, box-shadow .24s ease, opacity .24s ease;
  }
  .float-btn:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(37,99,235,.42)}
  .back-top{background:#fff;color:#3a3f5e;border:1px solid var(--line);box-shadow:0 10px 22px rgba(45,50,110,.14);opacity:0;pointer-events:none}
  .back-top.show{opacity:1;pointer-events:auto}
  .float-panel{
    width:210px;background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:16px;box-shadow:0 20px 44px rgba(45,50,110,.18);
    opacity:0;transform:translateY(10px);pointer-events:none;
    transition:opacity .26s ease, transform .26s ease;
  }
  .float-panel.open{opacity:1;transform:none;pointer-events:auto}
  .float-panel img{width:100%;border-radius:10px;display:block}
  .float-panel p{font-size:12.5px;color:#5d6288;margin-top:10px;text-align:center;line-height:1.6}
  .float-panel strong{display:block;font-size:13px;color:#161a3a;text-align:center;margin-bottom:8px}

  /* reveal */
  .reveal{opacity:0;transform:translateY(22px);transition:opacity .62s ease, transform .62s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}

  @media (prefers-reduced-motion: reduce){
    .reveal{opacity:1;transform:none;transition:none}
    .glow{animation:none}
    .hero h1,.hero-lead,.hero-actions,.hero-note{animation:none}
    html{scroll-behavior:auto}
  }

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .nav{
      display:none;position:absolute;top:100%;left:0;right:0;
      background:#fff;border-bottom:1px solid var(--line);
      box-shadow:0 22px 34px rgba(40,44,90,.14);padding:6px 0 12px;
    }
    .nav.open{display:block}
    .nav-links{flex-direction:column;align-items:stretch;gap:0;padding:0 20px}
    .nav-links a{padding:12px 4px;border-bottom:1px dashed #edeffa;border-radius:0}
    .nav-toggle{display:inline-flex}
    .stat-grid{grid-template-columns:repeat(2,1fr)}
    .about-grid,.net-grid,.match-wrap,.contact-grid,.footer-top{grid-template-columns:1fr}
    .svc-grid,.sol-grid,.studio-grid,.case-grid,.review-grid,.wiki-grid{grid-template-columns:repeat(2,1fr)}
    .help-grid{grid-template-columns:repeat(2,1fr)}
    .steps{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width:640px){
    .container{width:calc(100% - 32px)}
    .section{padding:52px 0}
    .hero{padding:48px 0 44px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{width:100%}
    .stat-grid{grid-template-columns:1fr 1fr;gap:12px;margin-top:34px}
    .svc-grid,.sol-grid,.studio-grid,.case-grid,.review-grid,.wiki-grid,.help-grid,.feature-list{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .rating{gap:16px;padding:22px}
    .rating-score{font-size:38px}
    .agent-card{padding:24px}
    .brand-text em{display:none}
    .float-stack{right:12px;bottom:16px}
    .news-item{flex-direction:column;align-items:flex-start;gap:6px}
    .info-row{flex-direction:column;align-items:flex-start;gap:4px}
    .info-row strong{text-align:left}
  }