*{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#1a4fd6;
  --blue-deep:#0b2a7a;
  --blue-bright:#2f6bff;
  --blue-soft:#e8efff;
  --ink:#111a2e;
  --ink-soft:#41506b;
  --line:#dbe4f5;
  --bg:#f4f7ff;
  --white:#ffffff;
  --radius:16px;
}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:132px}
.brand-name{font-size:17px;font-weight:800;color:var(--blue-deep);letter-spacing:.5px;display:none}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  font-size:14px;color:var(--ink-soft);font-weight:500;
  padding:8px 11px;border-radius:9px;transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--blue);background:var(--blue-soft)}
.nav-cta{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border-radius:11px;font-weight:600;cursor:pointer;border:none;
  transition:transform .18s ease,box-shadow .22s ease,background .2s;
  font-family:inherit;
}
.btn-primary{
  background:linear-gradient(135deg,#2f6bff,#1a4fd6);
  color:#fff;padding:12px 24px;font-size:15px;
  box-shadow:0 8px 20px rgba(26,79,214,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,79,214,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:#fff;color:var(--blue);border:1.5px solid #c3d4fb;
  padding:11px 22px;font-size:15px;
}
.btn-outline:hover{background:var(--blue-soft);transform:translateY(-2px)}
.nav-cta .btn-primary{padding:9px 18px;font-size:14px}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:10px;background:var(--blue-soft);
  cursor:pointer;border:none;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--blue-deep);margin:0 auto;border-radius:2px;transition:.25s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 20px;font-size:15px;color:var(--ink-soft);border-bottom:1px solid #eef2fb}
.mobile-menu a:last-child{border-bottom:none}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 82% 14%,rgba(47,107,255,.16),transparent 46%),
    radial-gradient(circle at 8% 84%,rgba(11,42,122,.14),transparent 48%),
    linear-gradient(160deg,#eef4ff 0%,#f7faff 46%,#e7efff 100%);
  padding:72px 0 78px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(26,79,214,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(26,79,214,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 76%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #ccdcff;color:var(--blue);
  font-size:13px;font-weight:600;padding:7px 16px;border-radius:100px;
  box-shadow:0 4px 14px rgba(26,79,214,.1);margin-bottom:22px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:#2f6bff;box-shadow:0 0 0 4px rgba(47,107,255,.18)}
.hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.26;font-weight:800;
  color:var(--blue-deep);letter-spacing:-.5px;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--blue-bright)}
.hero-desc{font-size:16px;color:var(--ink-soft);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px}
.hero-actions .btn-primary{padding:15px 34px;font-size:16px}
.hero-actions .btn-outline{padding:14px 28px;font-size:16px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}
.hero-stat{
  background:rgba(255,255,255,.82);border:1px solid #dae5fb;border-radius:14px;
  padding:15px 16px;backdrop-filter:blur(4px);
}
.hero-stat strong{display:block;font-size:22px;font-weight:800;color:var(--blue);line-height:1.2}
.hero-stat span{font-size:12.5px;color:var(--ink-soft)}
.hero-visual{
  position:relative;background:#fff;border-radius:22px;padding:26px;
  border:1px solid #dbe6fb;box-shadow:0 24px 54px rgba(11,42,122,.13);
}
.hero-visual h2{font-size:16px;color:var(--blue-deep);font-weight:700;margin-bottom:16px}
.hero-visual h2 span{font-size:12px;font-weight:500;color:var(--ink-soft);margin-left:8px}
.model-chip-wrap{display:flex;flex-wrap:wrap;gap:8px}
.model-chip{
  background:var(--blue-soft);color:var(--blue-deep);font-size:12.5px;
  font-weight:600;padding:6px 12px;border-radius:8px;border:1px solid #d6e2fd;
  transition:transform .18s,background .2s;
}
.model-chip:hover{transform:translateY(-2px);background:#dbe7ff}
.hero-visual-line{height:1px;background:var(--line);margin:18px 0 14px}
.hero-visual-note{font-size:12.5px;color:var(--ink-soft);display:flex;align-items:center;gap:8px}
.hero-visual-note::before{content:"";width:6px;height:6px;border-radius:50%;background:#2f6bff}

/* ===== Sections ===== */
section{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-label{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.5px;
  color:var(--blue);text-transform:uppercase;margin-bottom:12px;
  padding:5px 13px;background:var(--blue-soft);border-radius:6px;
}
.sec-head h2{font-size:clamp(23px,3vw,33px);font-weight:800;color:var(--blue-deep);line-height:1.34;letter-spacing:-.3px;margin-bottom:14px}
.sec-head p{font-size:15.5px;color:var(--ink-soft)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* About */
.about{background:linear-gradient(180deg,#f7faff,#eef4ff)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.about-text p{font-size:15.5px;color:var(--ink-soft);margin-bottom:16px}
.about-list{list-style:none;display:grid;gap:12px;margin-top:24px}
.about-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid #dce6fa;border-radius:12px;padding:14px 18px;
  font-size:14.5px;color:var(--ink-soft);
  transition:transform .2s,box-shadow .2s;
}
.about-list li:hover{transform:translateX(4px);box-shadow:0 8px 20px rgba(26,79,214,.09)}
.about-list li strong{color:var(--blue-deep);font-weight:700}
.check-ico{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;
  background:linear-gradient(135deg,#2f6bff,#1a4fd6);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;margin-top:2px;
}
.about-aside{display:grid;gap:16px}
.aside-card{
  background:linear-gradient(150deg,#0b2a7a,#1a4fd6);
  border-radius:var(--radius);padding:28px;color:#fff;
  box-shadow:0 18px 38px rgba(11,42,122,.26);
}
.aside-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.aside-card p{font-size:14px;color:rgba(255,255,255,.86);margin-bottom:18px}
.aside-card .btn-primary{background:#fff;color:var(--blue-deep);box-shadow:none;padding:11px 22px;font-size:14px}
.aside-card .btn-primary:hover{box-shadow:0 8px 20px rgba(0,0,0,.16)}
.aside-mini{
  background:#fff;border:1px solid #dce6fa;border-radius:var(--radius);padding:22px;
}
.aside-mini h3{font-size:15px;color:var(--blue-deep);margin-bottom:14px}
.mini-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-soft);padding:9px 0;border-bottom:1px dashed #e6edfb}
.mini-row:last-child{border-bottom:none}
.mini-row b{color:var(--blue);font-weight:700}

/* Stats band */
.band{
  background:linear-gradient(120deg,#0b2a7a,#1a4fd6 58%,#2f6bff);
  padding:44px 0;color:#fff;
}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.band-item strong{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.2;margin-bottom:4px}
.band-item span{font-size:13.5px;color:rgba(255,255,255,.84)}

/* Services */
.services{background:#f4f7ff}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{
  background:#fff;border:1px solid #dde7fa;border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s;
  position:relative;overflow:hidden;
}
.svc-card::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,#2f6bff,#8fb3ff);transform:scaleX(0);
  transform-origin:left;transition:transform .3s ease;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(26,79,214,.13);border-color:#bcd3fb}
.svc-card:hover::after{transform:scaleX(1)}
.svc-ico{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,#e8efff,#d6e3ff);
  display:flex;align-items:center;justify-content:center;
  color:var(--blue);font-size:19px;font-weight:800;
}
.svc-card h3{font-size:16.5px;color:var(--blue-deep);font-weight:700}
.svc-card p{font-size:14px;color:var(--ink-soft);flex:1}

/* Studio */
.studio{background:linear-gradient(180deg,#eef4ff,#f9fbff)}
.studio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.studio-item{
  background:#fff;border:1px solid #dde7fa;border-radius:var(--radius);
  padding:24px;display:flex;gap:18px;align-items:flex-start;
  transition:transform .2s,box-shadow .2s;
}
.studio-item:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(26,79,214,.1)}
.studio-num{
  flex-shrink:0;width:38px;height:38px;border-radius:10px;
  background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.studio-item h3{font-size:15.5px;color:var(--blue-deep);margin-bottom:6px;font-weight:700}
.studio-item p{font-size:13.8px;color:var(--ink-soft)}

/* Network */
.network{background:#fff}
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.net-card{
  border:1px solid #dde7fa;border-radius:14px;padding:22px;background:linear-gradient(160deg,#f7faff,#eef4ff);
  transition:border-color .2s,transform .2s;
}
.net-card:hover{border-color:#bcd3fb;transform:translateY(-3px)}
.net-card h3{font-size:15px;color:var(--blue-deep);margin-bottom:8px;font-weight:700;display:flex;align-items:center;gap:8px}
.net-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:#2f6bff;flex-shrink:0}
.net-card p{font-size:13.8px;color:var(--ink-soft)}

/* Process */
.process{background:linear-gradient(180deg,#f7faff,#eef4ff)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{
  background:#fff;border:1px solid #dde7fa;border-radius:14px;padding:22px 18px;
  position:relative;transition:transform .2s,box-shadow .2s;
}
.step:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(26,79,214,.11)}
.step-idx{
  font-size:12px;font-weight:700;color:var(--blue);
  background:var(--blue-soft);border-radius:6px;padding:3px 10px;display:inline-block;margin-bottom:12px;
}
.step h3{font-size:14.5px;color:var(--blue-deep);margin-bottom:6px;font-weight:700}
.step p{font-size:13px;color:var(--ink-soft)}

/* Cases */
.cases{background:#fff}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  border:1px solid #dde7fa;border-radius:var(--radius);overflow:hidden;background:#fff;
  transition:transform .22s,box-shadow .22s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(26,79,214,.14)}
.case-media{background:#eef4ff;aspect-ratio:16/10;overflow:hidden;display:flex;align-items:center;justify-content:center}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:20px}
.case-body h3{font-size:15.5px;color:var(--blue-deep);margin-bottom:8px;font-weight:700}
.case-body p{font-size:13.8px;color:var(--ink-soft);margin-bottom:12px}
.case-tags{display:flex;flex-wrap:wrap;gap:7px}
.case-tags span{font-size:12px;background:var(--blue-soft);color:var(--blue);padding:3px 10px;border-radius:6px;font-weight:600}

/* Compare */
.compare{background:linear-gradient(180deg,#f4f7ff,#e9f0ff)}
.compare-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;margin-bottom:34px;align-items:stretch}
.score-card{
  background:linear-gradient(155deg,#0b2a7a,#1a4fd6 62%,#2f6bff);
  border-radius:20px;padding:32px;color:#fff;text-align:center;
  box-shadow:0 20px 44px rgba(11,42,122,.28);display:flex;flex-direction:column;justify-content:center;
}
.score-card .score-num{font-size:56px;font-weight:800;line-height:1;letter-spacing:-2px}
.score-card .score-num small{font-size:20px;font-weight:600;opacity:.8;letter-spacing:0}
.score-card .score-label{font-size:14px;color:rgba(255,255,255,.86);margin:8px 0 14px}
.score-stars{font-size:20px;letter-spacing:3px;color:#ffd76b;margin-bottom:14px}
.score-tip{font-size:13px;color:rgba(255,255,255,.85);border-top:1px solid rgba(255,255,255,.2);padding-top:14px}
.compare-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.cp-item{
  background:#fff;border:1px solid #dce6fa;border-radius:12px;padding:16px 18px;
  transition:border-color .2s,transform .2s;
}
.cp-item:hover{border-color:#bcd3fb;transform:translateY(-3px)}
.cp-item h3{font-size:14px;color:var(--blue-deep);margin-bottom:5px;font-weight:700}
.cp-item p{font-size:12.8px;color:var(--ink-soft)}
.table-wrap{overflow-x:auto;border-radius:14px;border:1px solid #dce6fa;background:#fff}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{padding:15px 18px;font-size:14px;text-align:left;border-bottom:1px solid #eef2fb}
th{background:#eef4ff;color:var(--blue-deep);font-weight:700;font-size:13.5px;white-space:nowrap}
td{color:var(--ink-soft)}
tr:last-child td{border-bottom:none}
td.us{color:var(--blue);font-weight:700;background:#f7faff}

/* Matching / form */
.matching{background:#fff}
.match-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:start}
.match-aside{display:grid;gap:14px}
.match-info{
  border:1px solid #dce6fa;border-radius:14px;padding:20px;background:linear-gradient(160deg,#f8fbff,#eef4ff);
}
.match-info h3{font-size:14.5px;color:var(--blue-deep);margin-bottom:10px;font-weight:700}
.match-info p{font-size:13.5px;color:var(--ink-soft);margin-bottom:6px}
.match-info a{color:var(--blue);font-weight:600}
.qr-box{display:flex;align-items:center;gap:16px;margin-top:4px}
.qr-box img{width:104px;border-radius:10px;border:1px solid #dce6fa;background:#fff;padding:5px}
.qr-box span{font-size:13px;color:var(--ink-soft)}
.form-card{
  background:#fff;border:1px solid #dde7fa;border-radius:var(--radius);
  padding:30px;box-shadow:0 16px 40px rgba(26,79,214,.08);
}
.form-card h3{font-size:18px;color:var(--blue-deep);margin-bottom:6px;font-weight:800}
.form-card .form-sub{font-size:13.5px;color:var(--ink-soft);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field label .req{color:#e04a4a}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;font-size:14px;font-family:inherit;color:var(--ink);
  border:1.5px solid #dbe4f5;border-radius:10px;background:#fbfcff;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue-bright);background:#fff;
  box-shadow:0 0 0 4px rgba(47,107,255,.12);
}
.field textarea{resize:vertical;min-height:104px}
.form-card .btn-primary{width:100%;padding:14px;font-size:15.5px;margin-top:4px}

/* Token price */
.token{background:linear-gradient(180deg,#f4f7ff,#eaf1ff)}
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.token-card{
  background:#fff;border:1px solid #dde7fa;border-radius:var(--radius);padding:26px;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.token-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(26,79,214,.13);border-color:#bcd3fb}
.token-card h3{font-size:16px;color:var(--blue-deep);margin-bottom:4px;font-weight:700}
.token-card .price-tag{font-size:12.5px;color:var(--blue);font-weight:600;margin-bottom:14px}
.token-list{list-style:none;display:grid;gap:10px;margin-bottom:18px}
.token-list li{font-size:13.5px;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start}
.token-list li::before{content:"✓";color:var(--blue);font-weight:800;font-size:13px}
.token-card .btn-outline{width:100%;padding:10px;font-size:14px;background:#fff}

/* Reviews */
.reviews{background:#fff}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:linear-gradient(170deg,#f8fbff,#eef4ff);
  border:1px solid #dde7fa;border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s,box-shadow .2s;
}
.review-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(26,79,214,.11)}
.review-stars{color:#f0a30a;font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--ink-soft);flex:1}
.review-user{display:flex;align-items:center;gap:11px;border-top:1px solid #dfe8f8;padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#2f6bff,#0b2a7a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.review-user strong{display:block;font-size:13.5px;color:var(--blue-deep)}
.review-user span{font-size:12px;color:var(--ink-soft)}

/* FAQ */
.faq{background:linear-gradient(180deg,#f4f7ff,#ffffff)}
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid #dde7fa;border-radius:13px;overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item.open{border-color:#bcd3fb;box-shadow:0 10px 26px rgba(26,79,214,.1)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:15px;font-weight:600;color:var(--blue-deep);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:inherit;transition:color .2s;
}
.faq-q:hover{color:var(--blue)}
.faq-q .faq-ico{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--blue-soft);
  color:var(--blue);display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;transition:transform .28s,background .2s;
}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-soft)}

/* Articles */
.articles{background:#fff}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-card{
  border:1px solid #dde7fa;border-radius:var(--radius);padding:24px;background:#fff;
  display:flex;flex-direction:column;gap:10px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.article-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(26,79,214,.11);border-color:#bcd3fb}
.article-card .art-tag{
  font-size:11.5px;font-weight:700;color:var(--blue);background:var(--blue-soft);
  padding:3px 10px;border-radius:6px;align-self:flex-start;
}
.article-card h3{font-size:15px;color:var(--blue-deep);line-height:1.5;font-weight:700;flex:1}
.article-card a.more{font-size:13px;color:var(--blue);font-weight:600}
.article-card a.more:hover{text-decoration:underline}

/* Tags */
.tagcloud{background:linear-gradient(180deg,#eef4ff,#f8fbff)}
.tag-wrap{display:flex;flex-wrap:wrap;gap:10px}
.tag-wrap a{
  font-size:13.5px;padding:7px 16px;background:#fff;border:1px solid #d6e2fd;
  color:var(--blue-deep);border-radius:100px;font-weight:500;
  transition:background .2s,color .2s,transform .2s,border-color .2s;
}
.tag-wrap a:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-2px)}

/* Contact */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.contact-item{
  border:1px solid #dde7fa;border-radius:14px;padding:22px;background:linear-gradient(160deg,#f8fbff,#eef4ff);
  transition:transform .2s,border-color .2s;
}
.contact-item:hover{transform:translateY(-4px);border-color:#bcd3fb}
.contact-item h3{font-size:14px;color:var(--blue-deep);margin-bottom:8px;font-weight:700}
.contact-item p{font-size:13.5px;color:var(--ink-soft);word-break:break-all}
.contact-item a{color:var(--blue);font-weight:600}
.agent-bar{
  margin-top:30px;background:linear-gradient(120deg,#0b2a7a,#1a4fd6 60%,#2f6bff);
  border-radius:18px;padding:34px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(11,42,122,.24);
}
.agent-bar h3{font-size:21px;font-weight:800;margin-bottom:6px}
.agent-bar p{font-size:14px;color:rgba(255,255,255,.86);max-width:620px}
.agent-bar .btn-primary{background:#fff;color:var(--blue-deep);box-shadow:none;padding:13px 28px;font-size:15px;white-space:nowrap}
.agent-bar .btn-primary:hover{box-shadow:0 10px 24px rgba(0,0,0,.2)}

/* Footer */
.site-footer{
  background:#081f5c;color:#c9d6f2;padding:52px 0 24px;font-size:14px;
}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-brand .ai-page-logo{width:140px;margin-bottom:16px;filter:brightness(0) invert(1)}
.footer-brand p{font-size:13.5px;color:#a9bbdf;line-height:1.8;max-width:340px}
.footer-col h3{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col ul li a{font-size:13.5px;color:#a9bbdf;transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-col p{font-size:13.5px;color:#a9bbdf;margin-bottom:8px}
.footer-col p a{color:#a9bbdf}
.footer-col p a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:20px;font-size:12.5px;color:#8ea4cf;
}
.footer-bottom a{color:#8ea4cf}
.footer-bottom a:hover{color:#fff}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}

/* Floating */
.float-cs{
  position:fixed;right:22px;bottom:96px;z-index:99;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:50px;height:50px;border-radius:14px;border:none;cursor:pointer;
  background:linear-gradient(135deg,#2f6bff,#1a4fd6);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(26,79,214,.36);
  transition:transform .2s,box-shadow .2s;font-family:inherit;font-size:12px;font-weight:700;
}
.float-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 14px 30px rgba(26,79,214,.46)}
.float-btn svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cs-panel{
  position:fixed;right:22px;bottom:158px;z-index:100;
  width:236px;background:#fff;border-radius:16px;padding:18px;
  box-shadow:0 20px 48px rgba(11,42,122,.24);border:1px solid #dce6fa;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s,transform .24s,visibility .24s;
}
.cs-panel.show{opacity:1;visibility:visible;transform:translateY(0)}
.cs-panel h4{font-size:14px;color:var(--blue-deep);margin-bottom:10px}
.cs-panel img{width:100%;border-radius:10px;border:1px solid #eef2fb;margin-bottom:10px}
.cs-panel p{font-size:12.5px;color:var(--ink-soft);line-height:1.7}
.back-top{
  position:fixed;right:22px;bottom:30px;z-index:99;width:50px;height:50px;border-radius:14px;
  border:1px solid #d6e2fd;background:#fff;color:var(--blue);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(26,79,214,.14);
  opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility .25s;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(26,79,214,.24)}
.back-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:540px}
  .svc-grid,.case-grid,.article-grid,.review-grid,.token-grid,.net-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .compare-top{grid-template-columns:1fr}
  .match-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media(max-width:860px){
  .nav-links,.nav-cta .btn-outline{display:none}
  .menu-toggle{display:flex}
  .nav-cta .btn-primary{padding:10px 16px;font-size:13.5px}
  section{padding:56px 0}
  .hero{padding:54px 0 62px}
  .studio-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-stat{padding:12px 10px}
  .hero-stat strong{font-size:18px}
  .hero-stat span{font-size:11.5px}
}
@media(max-width:640px){
  .container{padding:0 16px}
  .svc-grid,.case-grid,.article-grid,.review-grid,.token-grid,.net-grid,.steps,.contact-grid,.compare-points{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .agent-bar{padding:26px}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .float-cs{right:14px;bottom:88px}
  .back-top{right:14px;bottom:24px}
  .cs-panel{right:14px;bottom:148px;width:calc(100vw - 28px);max-width:250px}
  .score-card .score-num{font-size:46px}
}