*{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#1a4fd6;
  --blue-deep:#0d2f8f;
  --blue-bright:#2f6bff;
  --blue-soft:#e8efff;
  --blue-mist:#f4f7ff;
  --ink:#111a33;
  --ink-2:#39456b;
  --ink-3:#6b779b;
  --line:#dbe4f7;
  --white:#ffffff;
  --shadow:0 10px 30px rgba(26,79,214,.10);
  --shadow-lg:0 20px 50px rgba(13,47,143,.16);
  --radius:16px;
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 110% -10%,rgba(47,107,255,.14),transparent 60%),
    radial-gradient(900px 500px at -10% 20%,rgba(26,79,214,.10),transparent 60%),
    linear-gradient(180deg,#f4f7ff 0%,#ffffff 35%,#f4f7ff 100%);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
section{position:relative}
.section-pad{padding:72px 0}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--blue);background:var(--blue-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;letter-spacing:-.01em}
h2{font-size:clamp(24px,3.4vw,36px);font-weight:800}
h3{font-size:clamp(17px,2vw,20px);font-weight:700}
.section-sub{color:var(--ink-3);font-size:15.5px;margin-top:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));
  color:#fff;box-shadow:0 8px 22px rgba(26,79,214,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,79,214,.38)}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:var(--blue-bright);color:var(--blue-deep);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.99)}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:auto;height:38px;max-width:150px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;color:var(--ink);font-weight:800}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:nowrap}
.nav-links a{
  display:block;padding:9px 11px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  border-radius:8px;transition:.2s ease;position:relative;
}
.nav-links a:hover{color:var(--blue);background:var(--blue-soft)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta .btn{padding:10px 18px;font-size:14px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{
  padding:76px 0 64px;overflow:hidden;
  background:
    radial-gradient(700px 380px at 85% 10%,rgba(47,107,255,.20),transparent 65%),
    radial-gradient(600px 400px at 5% 80%,rgba(26,79,214,.14),transparent 60%);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--blue-deep);background:#fff;border:1px solid var(--line);
  padding:7px 15px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--blue-bright);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(47,107,255,.5)}50%{box-shadow:0 0 0 7px rgba(47,107,255,0)}}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:900;line-height:1.18;
  letter-spacing:-.02em;color:var(--ink);
}
.hero h1 em{
  font-style:normal;color:var(--blue-deep);
  background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p.lead{margin:20px 0 8px;font-size:16.5px;color:var(--ink-2);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 30px}
.hero-tags span{
  font-size:13px;font-weight:600;color:var(--blue-deep);
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  padding:6px 13px;border-radius:8px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{font-size:13px;color:var(--ink-3);margin-top:18px}
.hero-visual{
  position:relative;background:linear-gradient(160deg,#fff,#eef3ff);
  border:1px solid var(--line);border-radius:22px;padding:26px;
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.hero-visual::before{
  content:"";position:absolute;inset:auto -40% -50% auto;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,107,255,.22),transparent 70%);
}
.visual-title{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--blue);text-transform:uppercase;margin-bottom:18px}
.model-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:relative;z-index:1}
.model-item{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;font-size:13.5px;font-weight:600;color:var(--ink-2);
  display:flex;align-items:center;gap:8px;transition:.2s;
}
.model-item:hover{border-color:var(--blue-bright);color:var(--blue-deep);transform:translateY(-2px)}
.model-item::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue-bright);flex-shrink:0}
.visual-bar{margin-top:18px;position:relative;z-index:1}
.visual-bar span{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:7px;display:flex;justify-content:space-between}
.bar-track{height:8px;background:#dfe6f7;border-radius:999px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue-bright),var(--blue-deep));width:0;transition:width 1.4s cubic-bezier(.22,1,.36,1)}

/* stats */
.stats{background:transparent;padding:0 0 24px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);transition:.28s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c6d6f8}
.stat-card strong{
  display:block;font-size:clamp(26px,3vw,34px);font-weight:900;color:var(--blue-deep);
  letter-spacing:-.02em;line-height:1.1;
}
.stat-card span{display:block;font-size:13.5px;color:var(--ink-3);margin-top:8px}

/* about */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.about-card{
  background:linear-gradient(150deg,var(--blue-deep),var(--blue));
  color:#fff;border-radius:20px;padding:34px 30px;box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}
.about-card::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.10);bottom:-70px;right:-50px}
.about-card h3{color:#fff;font-size:21px;margin-bottom:14px;position:relative;z-index:1}
.about-card p{font-size:14.5px;color:rgba(255,255,255,.88);position:relative;z-index:1}
.about-card .about-line{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.25);font-size:13.5px;color:rgba(255,255,255,.82);position:relative;z-index:1}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.feature-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;
  transition:.25s ease;
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c6d6f8}
.feature-item h4{font-size:15px;margin-bottom:7px;color:var(--ink);display:flex;align-items:center;gap:8px}
.feature-item h4::before{content:"";width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));flex-shrink:0}
.feature-item p{font-size:13.5px;color:var(--ink-3);line-height:1.65}

/* services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:.28s ease;position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--blue-bright),var(--blue-deep));
  transform:scaleX(0);transform-origin:left;transition:.35s ease;
}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c6d6f8}
.service-icon{
  width:46px;height:46px;border-radius:12px;background:var(--blue-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-size:20px;font-weight:800;color:var(--blue-deep);
}
.service-card h3{margin-bottom:9px}
.service-card p{font-size:14px;color:var(--ink-3);line-height:1.7}

/* workflow */
.workflow{background:linear-gradient(180deg,rgba(232,239,255,.55),rgba(244,247,255,.2))}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 20px;
  position:relative;transition:.25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-weight:800;font-size:15px;
  background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));color:#fff;
  margin-bottom:14px;
}
.flow-step h4{font-size:15.5px;margin-bottom:7px}
.flow-step p{font-size:13.5px;color:var(--ink-3)}

/* solution */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.solution-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;transition:.25s ease;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c6d6f8}
.solution-thumb{
  width:64px;height:64px;flex-shrink:0;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue-soft),#dbe6ff);
  font-size:24px;
}
.solution-card h3{font-size:16.5px;margin-bottom:6px}
.solution-card p{font-size:13.5px;color:var(--ink-3)}

/* network */
.network-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.network-tag{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.network-tag span{
  font-size:13px;font-weight:600;color:var(--blue-deep);background:#fff;
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;transition:.2s;
}
.network-tag span:hover{background:var(--blue-soft);border-color:#bcd0f7;transform:translateY(-2px)}
.network-panel{
  background:linear-gradient(160deg,var(--blue-deep),#1a4fd6);
  border-radius:20px;padding:34px 30px;color:#fff;box-shadow:var(--shadow-lg);
}
.network-panel h3{color:#fff;margin-bottom:12px}
.network-panel p{font-size:14px;color:rgba(255,255,255,.86);margin-bottom:20px}
.network-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.network-list li{font-size:14px;color:rgba(255,255,255,.92);display:flex;align-items:center;gap:10px}
.network-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:#8fb2ff;flex-shrink:0}

/* cases */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.28s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c6d6f8}
.case-media{overflow:hidden;background:var(--blue-mist)}
.case-media img{width:100%;height:auto;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px}
.case-body h3{font-size:16px;margin-bottom:8px}
.case-body p{font-size:13.5px;color:var(--ink-3)}

/* compare */
.compare-table{
  width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);
}
.compare-table th,.compare-table td{
  padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);
}
.compare-table thead th{
  background:linear-gradient(135deg,var(--blue-deep),var(--blue));
  color:#fff;font-weight:700;font-size:14px;
}
.compare-table tbody tr:nth-child(even){background:#f8faff}
.compare-table tbody tr:hover{background:var(--blue-soft)}
.compare-table td:first-child{font-weight:700;color:var(--ink)}
.compare-table td.highlight{color:var(--blue-deep);font-weight:700}
.score-box{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:34px;
}
.score-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;text-align:center;box-shadow:var(--shadow);
}
.score-card .score-num{font-size:52px;font-weight:900;line-height:1;color:var(--blue-deep);letter-spacing:-.03em}
.score-card .score-num small{font-size:18px;color:var(--ink-3);font-weight:700;margin-left:4px}
.score-card .stars{color:#f5a623;font-size:22px;letter-spacing:4px;margin:14px 0 10px}
.score-card p{font-size:14px;color:var(--ink-3)}
.score-card strong{color:var(--blue-deep)}

/* token */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.token-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:.25s ease;
}
.token-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.token-card .tk-name{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:6px}
.token-card .tk-desc{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.token-card .tk-price{font-size:26px;font-weight:900;color:var(--blue-deep);letter-spacing:-.02em}
.token-card .tk-price small{font-size:13px;color:var(--ink-3);font-weight:600}
.token-card .tk-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}

/* reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:.25s ease;display:flex;flex-direction:column;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c6d6f8}
.review-stars{color:#f5a623;letter-spacing:2px;font-size:14px;margin-bottom:14px}
.review-text{font-size:14px;color:var(--ink-2);line-height:1.75;flex:1}
.review-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.review-avatar{
  width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.review-user strong{display:block;font-size:14px;color:var(--ink)}
.review-user span{display:block;font-size:12.5px;color:var(--ink-3)}

/* faq */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s ease}
.faq-item.open{border-color:#bcd0f7;box-shadow:var(--shadow)}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:18px 22px;font-size:15px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-family:inherit;
}
.faq-q:hover{color:var(--blue-deep)}
.faq-icon{
  width:22px;height:22px;flex-shrink:0;border-radius:50%;background:var(--blue-soft);
  color:var(--blue-deep);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;transition:.3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 18px;font-size:14px;color:var(--ink-3);line-height:1.75}

/* form */
.form-section{
  background:linear-gradient(150deg,var(--blue-deep),#1a4fd6);
  border-radius:24px;padding:48px 40px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.form-section::before{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.08);top:-120px;right:-80px;
}
.form-section h2,.form-section .section-sub{color:#fff;text-align:center;position:relative;z-index:1}
.form-section .section-sub{color:rgba(255,255,255,.85)}
.demand-form{max-width:720px;margin:32px auto 0;position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:700;color:rgba(255,255,255,.92)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:10px;border:1px solid rgba(255,255,255,.30);
  background:rgba(255,255,255,.96);color:var(--ink);font-size:14.5px;font-family:inherit;
  transition:.2s ease;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25);
}
.field textarea{resize:vertical;min-height:110px}
.form-submit{grid-column:1 / -1;margin-top:6px}
.form-submit .btn{width:100%;padding:15px;font-size:15.5px;background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.form-submit .btn:hover{background:#f0f5ff;transform:translateY(-2px)}
.form-hint{grid-column:1 / -1;font-size:12.5px;color:rgba(255,255,255,.75);text-align:center}

/* links */
.links-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;box-shadow:var(--shadow)}
.links-block h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.links-block h3::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--blue-bright),var(--blue-deep))}
.links-row{display:flex;flex-wrap:wrap;gap:10px}
.links-row a{
  font-size:13.5px;color:var(--ink-2);background:var(--blue-mist);
  border:1px solid var(--line);padding:7px 14px;border-radius:8px;transition:.2s;
}
.links-row a:hover{color:var(--blue-deep);background:var(--blue-soft);border-color:#bcd0f7;transform:translateY(-2px)}

/* articles */
.articles-list{display:grid;grid-template-columns:1fr;gap:12px}
.article-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:16px 22px;transition:.25s ease;
}
.article-item:hover{transform:translateX(4px);border-color:#c6d6f8;box-shadow:var(--shadow)}
.article-item span{font-size:14.5px;font-weight:600;color:var(--ink-2)}
.article-item em{font-style:normal;font-size:13px;color:var(--blue);font-weight:700;flex-shrink:0}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.contact-list{display:flex;flex-direction:column;gap:16px}
.contact-row{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:20px 22px;transition:.25s ease;
}
.contact-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c6d6f8}
.contact-ico{
  width:44px;height:44px;border-radius:12px;background:var(--blue-soft);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:var(--blue-deep);
}
.contact-row h4{font-size:14.5px;margin-bottom:3px}
.contact-row p{font-size:13.5px;color:var(--ink-3);word-break:break-all}
.contact-row a{color:var(--blue-deep);font-weight:700}
.qr-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:28px;text-align:center;box-shadow:var(--shadow);
}
.qr-card h3{font-size:16px;margin-bottom:16px}
.qr-card img{width:180px;margin:0 auto;border-radius:12px;border:1px solid var(--line)}
.qr-card p{font-size:13px;color:var(--ink-3);margin-top:14px}

/* partner */
.partner-strip{
  background:linear-gradient(135deg,#fff,#eef3ff);border:1px solid var(--line);
  border-radius:20px;padding:36px 34px;display:grid;grid-template-columns:1fr auto;
  gap:24px;align-items:center;box-shadow:var(--shadow);
}
.partner-strip h3{font-size:21px;margin-bottom:8px}
.partner-strip p{font-size:14px;color:var(--ink-3);max-width:640px}

/* footer */
.site-footer{
  background:#0b1a3a;color:#c3cef0;margin-top:0;
  padding:52px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:#8fa2d0}
.footer-brand p{font-size:13.5px;color:#9fb0d8;line-height:1.75;max-width:300px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col ul li a,.footer-col ul li span{font-size:13.5px;color:#9fb0d8;transition:.2s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:#8fa2d0;
}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-links a{color:#9fb0d8;font-size:12.5px}
.footer-links a:hover{color:#fff}

/* floating */
.float-actions{position:fixed;right:20px;bottom:26px;display:flex;flex-direction:column;gap:10px;z-index:90}
.float-btn{
  width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow);transition:.25s ease;font-size:18px;color:var(--blue-deep);
  font-weight:800;text-decoration:none;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);background:var(--blue-soft)}
.float-btn.to-top{opacity:0;pointer-events:none;transform:translateY(8px)}
.float-btn.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* responsive */
@media (max-width:1024px){
  .hero-grid,.about-grid,.network-wrap,.contact-grid{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid,.cases-grid,.reviews-grid,.token-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:66px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 22px 20px;
    box-shadow:0 20px 40px rgba(13,47,143,.12);align-items:stretch;
  }
  .nav-links.open a{padding:12px 8px;font-size:15px}
  .nav-cta .btn-ghost{display:none}
}
@media (max-width:768px){
  .section-pad{padding:54px 0}
  .hero{padding:52px 0 44px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .services-grid,.cases-grid,.reviews-grid,.token-grid,.solution-grid,.about-features{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .score-box{grid-template-columns:1fr}
  .form-section{padding:34px 22px;border-radius:18px}
  .demand-form{grid-template-columns:1fr}
  .partner-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .compare-table{font-size:13px}
  .compare-table th,.compare-table td{padding:11px 12px}
  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .compare-table{min-width:640px}
  .float-actions{right:14px;bottom:18px}
  .float-btn{width:44px;height:44px}
  .visual-title{font-size:12px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero h1{font-size:28px}
  .stat-card{padding:20px 16px}
  .btn{padding:12px 20px;font-size:14px}
  .review-user strong{font-size:13.5px}
}