:root{
  --ink:#1B1F45;
  --ink-2:#3C4268;
  --muted:#5E6488;
  --paper:#FCF8F2;
  --line:rgba(27,31,69,.1);
  --orange:#E04E1B;
  --teal:#0FA598;
  --violet:#6C5CE7;
  --yellow:#F5B700;
  --pink:#E8538A;
  --shadow-sm:0 6px 18px rgba(27,31,69,.06);
  --shadow-md:0 16px 36px rgba(27,31,69,.1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background-color:var(--paper);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(560px 420px at 6% 3%, rgba(224,78,27,.16), transparent 70%),
    radial-gradient(540px 420px at 94% 10%, rgba(108,92,231,.16), transparent 70%),
    radial-gradient(640px 500px at 50% 86%, rgba(15,165,152,.14), transparent 72%),
    radial-gradient(520px 420px at 12% 62%, rgba(245,183,0,.12), transparent 70%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:radial-gradient(rgba(27,31,69,.07) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.55;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.4px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;}
img{display:block;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(252,248,242,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(27,31,69,.08);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.ai-page-logo{width:42px;}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.5px;color:var(--ink);}
.nav-links{
  display:flex;
  gap:0;
  align-items:center;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-links a{
  display:block;
  padding:8px 11px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  text-decoration:none;
  border-radius:10px;
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:#F2EADD;color:var(--orange);}
.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(224,78,27,.3);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(224,78,27,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:rgba(27,31,69,.16);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(224,78,27,.4);color:var(--orange);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-light{background:#fff;color:#171B3A;box-shadow:0 10px 22px rgba(0,0,0,.18);}
.btn-light:hover{transform:translateY(-2px);}

/* ---------- sections ---------- */
.section{padding:68px 0;}
.section.tint{
  background:rgba(255,255,255,.55);
  border-top:1px solid rgba(27,31,69,.06);
  border-bottom:1px solid rgba(27,31,69,.06);
}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--orange);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:currentColor;}
.section-head.center .eyebrow{justify-content:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:60px 0 68px;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(224,78,27,.28);
  font-size:13px;
  font-weight:700;
  color:#A9380F;
  box-shadow:0 4px 14px rgba(224,78,27,.1);
}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:pulse 2.2s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(15,165,152,.55);}
  70%{box-shadow:0 0 0 11px rgba(15,165,152,0);}
  100%{box-shadow:0 0 0 0 rgba(15,165,152,0);}
}
.hero h1{font-size:clamp(30px,4.4vw,46px);margin:20px 0 0;}
.hl{background-image:linear-gradient(180deg,transparent 62%,rgba(245,183,0,.72) 62%,rgba(245,183,0,.72) 94%,transparent 94%);padding:0 2px;}
.hero-lead{margin-top:18px;color:var(--muted);font-size:16.5px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:34px;max-width:540px;}
.stat{background:#fff;border:1px solid rgba(27,31,69,.08);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat strong{display:block;font-size:23px;line-height:1.2;}
.stat span{font-size:12.5px;color:var(--muted);}
.stat:nth-child(2) strong{color:var(--teal);}
.stat:nth-child(3) strong{color:var(--violet);}

.hero-visual{position:relative;padding:10px 0;}
.blob{position:absolute;border-radius:50%;pointer-events:none;}
.blob-1{width:132px;height:132px;top:-16px;right:-10px;background:radial-gradient(circle at 32% 30%,#FFC1A6,#E04E1B);opacity:.42;animation:float 7s ease-in-out infinite;}
.blob-2{width:104px;height:104px;bottom:-18px;left:-14px;background:radial-gradient(circle at 32% 30%,#A6F0E7,#0FA598);opacity:.42;animation:float 8s ease-in-out infinite reverse;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}
.hv-card{
  position:relative;
  z-index:2;
  background:#fff;
  border:1px solid rgba(27,31,69,.1);
  border-radius:24px;
  padding:22px;
  box-shadow:0 24px 48px rgba(27,31,69,.13);
  transform:rotate(-1.2deg);
  transition:transform .4s ease;
}
.hv-card:hover{transform:rotate(0deg);}
.hv-head{display:flex;align-items:center;gap:7px;padding-bottom:14px;border-bottom:1px dashed rgba(27,31,69,.12);}
.hv-head .dot{width:9px;height:9px;border-radius:50%;background:#E5DCCD;}
.hv-head .dot:nth-child(1){background:#E04E1B;}
.hv-head .dot:nth-child(2){background:#F5B700;}
.hv-head .dot:nth-child(3){background:#0FA598;}
.hv-title{margin-left:6px;font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag-cloud span{
  font-size:12.5px;
  font-weight:600;
  padding:6px 12px;
  border-radius:999px;
  background:#FBF5EC;
  border:1px solid rgba(27,31,69,.09);
  color:var(--ink-2);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);background:#FFF0E7;color:var(--orange);}
.hv-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed rgba(27,31,69,.12);}
.hv-metric{text-align:center;}
.hv-metric strong{display:block;font-size:20px;color:var(--ink);line-height:1.2;}
.hv-metric span{font-size:11.5px;color:var(--muted);}

/* ---------- cards ---------- */
.card{
  background:#fff;
  border:1px solid rgba(27,31,69,.09);
  border-radius:20px;
  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:rgba(224,78,27,.26);}
.icon-box{
  width:44px;
  height:44px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--c,#FDEDE6);
  color:var(--accent,var(--orange));
  margin-bottom:14px;
}
.icon-box svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{color:var(--muted);font-size:14.5px;}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.lead{color:var(--ink-2);font-size:16px;margin-top:14px;}
.check-list{margin-top:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-list li{
  position:relative;
  padding:14px 16px 14px 40px;
  background:#fff;
  border:1px solid rgba(27,31,69,.08);
  border-radius:14px;
  font-size:13.5px;
  color:var(--muted);
  box-shadow:var(--shadow-sm);
}
.check-list li strong{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px;font-weight:700;}
.check-list li::before{
  content:"";
  position:absolute;
  left:15px;
  top:19px;
  width:14px;
  height:8px;
  border-left:2.5px solid var(--teal);
  border-bottom:2.5px solid var(--teal);
  transform:rotate(-45deg);
}
.about-media{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.img-box{
  background:#F1EADF;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(27,31,69,.08);
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.img-box:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.img-box img{width:100%;height:auto;}
.img-box.span-2{grid-column:1 / -1;}

/* ---------- grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:stretch;}

/* ---------- tag cloud big ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(27,31,69,.1);
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  box-shadow:0 4px 12px rgba(27,31,69,.05);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--dot,var(--orange));}
.chip:hover{transform:translateY(-3px);border-color:rgba(224,78,27,.35);color:var(--orange);box-shadow:0 12px 22px rgba(27,31,69,.1);}
.chip-note{margin-top:26px;color:var(--muted);font-size:14px;}

/* ---------- solution cards ---------- */
.solution-card{display:flex;flex-direction:column;gap:10px;}
.solution-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px;}
.mini-tag{font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;background:#FBF4EA;color:#8A6A45;border:1px solid rgba(27,31,69,.07);}

/* ---------- network ---------- */
.network-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
.net-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:20px;}
.net-list li{
  text-align:center;
  padding:14px 8px;
  border-radius:14px;
  background:#fff;
  border:1px dashed rgba(27,31,69,.16);
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.net-list li:hover{background:#FFF0E7;color:var(--orange);border-color:rgba(224,78,27,.4);}
.net-side{display:grid;gap:14px;}
.net-side .card{padding:20px;}
.net-side h3{font-size:16px;margin-bottom:6px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;align-items:stretch;}
.step{
  background:#fff;
  border:1px solid rgba(27,31,69,.09);
  border-radius:18px;
  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-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:#FDEDE6;
  color:var(--orange);
  font-size:13px;
  font-weight:800;
  margin-bottom:12px;
}
.step:nth-child(2) .step-no{background:#E5F7F4;color:#0B8C80;}
.step:nth-child(3) .step-no{background:#EDEAFD;color:#5A49D6;}
.step:nth-child(4) .step-no{background:#FDF3D8;color:#A87F00;}
.step:nth-child(5) .step-no{background:#FDE7EF;color:#C13A6C;}
.step h3{font-size:16px;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--muted);}

/* ---------- cases ---------- */
.case-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.case-card .img-box{border-radius:0;border:none;box-shadow:none;background:#F1EADF;}
.case-body{padding:20px 22px 24px;}
.case-body h3{font-size:17px;margin-bottom:8px;}
.case-body p{color:var(--muted);font-size:14px;}

/* ---------- review ---------- */
.score-banner{
  display:flex;
  align-items:center;
  gap:32px;
  padding:28px 30px;
  border-radius:24px;
  background:#fff;
  border:1px solid rgba(27,31,69,.09);
  box-shadow:var(--shadow-md);
  margin-bottom:26px;
}
.score-left{flex:0 0 auto;text-align:center;padding-right:32px;border-right:1px dashed rgba(27,31,69,.16);}
.score-stars{color:#F5B700;font-size:20px;letter-spacing:3px;line-height:1;}
.score-num{margin-top:8px;}
.score-num strong{font-size:42px;line-height:1;color:var(--orange);letter-spacing:-2px;}
.score-num span{font-size:15px;color:var(--muted);font-weight:700;}
.score-left p{margin-top:6px;font-size:12.5px;color:var(--muted);}
.score-right h3{font-size:19px;margin-bottom:10px;}
.score-right p{color:var(--muted);font-size:14.5px;}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.chip-list li{font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;background:#FBF4EA;color:#7A5A32;border:1px solid rgba(27,31,69,.07);}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:18px;border:1px solid rgba(27,31,69,.1);background:#fff;box-shadow:var(--shadow-sm);}
table{width:100%;border-collapse:collapse;min-width:760px;}
caption{caption-side:top;text-align:left;}
th,td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid rgba(27,31,69,.07);vertical-align:top;}
thead th{background:#F7F1E8;color:var(--ink);font-weight:800;font-size:13.5px;letter-spacing:.02em;}
tbody th{font-weight:700;color:var(--ink);background:#FFFDF9;width:180px;}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:none;}
td.us{background:rgba(15,165,152,.07);color:#0B7A70;font-weight:700;}

/* ---------- token ---------- */
.token-card{display:flex;flex-direction:column;gap:8px;}
.token-card h3{font-size:16.5px;}
.token-card p{font-size:14px;color:var(--muted);}

/* ---------- reviews (users) ---------- */
.voice-card{position:relative;padding-top:28px;}
.voice-card::before{
  content:"”";
  position:absolute;
  top:2px;
  left:20px;
  font-size:52px;
  line-height:1;
  font-family:Georgia,serif;
  color:rgba(224,78,27,.22);
}
.voice-card p{color:var(--ink-2);font-size:14.5px;}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:14px;border-top:1px dashed rgba(27,31,69,.12);}
.voice-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#FFD2BE,#E04E1B);flex:0 0 auto;}
.voice-card:nth-child(2n) .voice-avatar{background:linear-gradient(135deg,#BDF0EA,#0FA598);}
.voice-card:nth-child(3n) .voice-avatar{background:linear-gradient(135deg,#D9D3FB,#6C5CE7);}
.voice-name{font-weight:800;font-size:14.5px;line-height:1.3;}
.voice-role{font-size:12.5px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid rgba(27,31,69,.1);border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item.open{border-color:rgba(224,78,27,.35);box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;
  border:none;
  cursor:pointer;
  font-size:15.5px;
  font-weight:700;
  color:var(--ink);
  text-align:left;
  font-family:inherit;
}
.faq-q .mark{
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  background:#FBF4EA;
  color:var(--orange);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform .28s ease,background .28s ease;
}
.faq-item.open .faq-q .mark{transform:rotate(45deg);background:#FDEDE6;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:14.5px;}

/* ---------- wiki & news ---------- */
.wiki-card h3{font-size:16px;}
.wiki-card p{font-size:13.8px;}
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:#fff;
  border:1px solid rgba(27,31,69,.09);
  border-radius:16px;
  text-decoration:none;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(224,78,27,.3);}
.news-item span{font-weight:700;font-size:15px;color:var(--ink);}
.news-item em{font-style:normal;font-size:13px;font-weight:700;color:var(--orange);white-space:nowrap;}

/* ---------- agent ---------- */
.agent-banner{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:46px 40px;
  background:linear-gradient(135deg,#1B1F45 0%,#2A2560 52%,#3C2A6B 100%);
  color:#fff;
  box-shadow:0 26px 50px rgba(27,31,69,.28);
}
.agent-banner::before{
  content:"";
  position:absolute;
  width:300px;
  height:300px;
  right:-70px;
  top:-110px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,rgba(245,183,0,.55),rgba(224,78,27,0) 70%);
}
.agent-banner::after{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  left:-80px;
  bottom:-120px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,rgba(15,165,152,.5),rgba(15,165,152,0) 70%);
}
.agent-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;}
.agent-banner h2{font-size:clamp(22px,2.8vw,30px);color:#fff;}
.agent-banner p{margin-top:14px;color:rgba(255,255,255,.82);font-size:15px;max-width:560px;}
.agent-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.agent-tags li{font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;}
.agent-action{justify-self:end;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start;}
.contact-card{background:#fff;border:1px solid rgba(27,31,69,.09);border-radius:22px;padding:26px;box-shadow:var(--shadow-sm);}
.info-list{display:grid;gap:14px;margin-top:18px;}
.info-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);}
.info-list b{color:var(--ink);font-weight:700;min-width:72px;display:inline-block;}
.info-list a{color:var(--orange);text-decoration:none;font-weight:700;}
.info-list a:hover{text-decoration:underline;}
.qr-wrap{margin-top:20px;display:flex;align-items:center;gap:16px;padding-top:18px;border-top:1px dashed rgba(27,31,69,.14);}
.qr-wrap img{width:132px;border-radius:14px;border:1px solid rgba(27,31,69,.1);}
.qr-wrap span{font-size:13.5px;color:var(--muted);}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink);}
.field .req{color:var(--orange);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(27,31,69,.16);
  background:#FFFDF9;
  font-size:14.5px;
  font-family:inherit;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:120px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(224,78,27,.14);
}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px;}
.form-note{font-size:12.5px;color:var(--muted);}

/* ---------- footer ---------- */
.site-footer{
  background:#171B3A;
  color:#C9CBE0;
  padding:46px 0 26px;
  margin-top:0;
}
.footer-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start;}
.footer-brand .ai-page-logo{width:44px;}
.footer-name{margin-top:12px;font-size:17px;font-weight:800;color:#fff;}
.footer-desc{margin-top:10px;font-size:13.8px;color:#A9ADCB;max-width:360px;line-height:1.7;}
.footer-title{font-size:14px;font-weight:800;color:#fff;letter-spacing:.08em;margin-bottom:14px;}
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 16px;}
.link-grid a{
  font-size:13.5px;
  color:#BFC3DE;
  text-decoration:none;
  padding:4px 0;
  transition:color .2s ease;
}
.link-grid a:hover{color:#F5B700;}
.footer-bottom{
  margin-top:32px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:#9BA0C2;
}
.footer-bottom a{color:#D6D9EC;text-decoration:none;}
.footer-bottom a:hover{color:#F5B700;}

/* ---------- float ---------- */
.float-bar{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid rgba(27,31,69,.12);
  background:#fff;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  text-decoration:none;
  box-shadow:0 10px 24px rgba(27,31,69,.16);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,opacity .22s ease;
}
.float-btn svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.float-btn:hover{transform:translateY(-3px);background:var(--orange);color:#fff;border-color:var(--orange);}
#toTop{opacity:0;visibility:hidden;}
#toTop.show{opacity:1;visibility:visible;}

/* ---------- animation ---------- */
.has-js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease;}
.has-js .reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#FFFCF7;
    padding:10px 20px 18px;
    border-bottom:1px solid rgba(27,31,69,.12);
    box-shadow:0 20px 34px rgba(27,31,69,.12);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 4px;border-bottom:1px dashed rgba(27,31,69,.08);border-radius:0;}
  .nav-links li:last-child a{border-bottom:none;}
  .menu-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .about-grid,.network-wrap,.contact-grid{grid-template-columns:1fr;gap:30px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));}
  .agent-inner{grid-template-columns:1fr;gap:22px;}
  .agent-action{justify-self:start;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:860px){
  .section{padding:54px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .score-banner{flex-direction:column;align-items:flex-start;gap:20px;padding:24px;}
  .score-left{border-right:none;border-bottom:1px dashed rgba(27,31,69,.16);padding:0 0 18px;width:100%;text-align:left;}
  .check-list{grid-template-columns:1fr;}
  .net-list{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:720px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-grid{grid-template-columns:1fr;}
  .header-cta{display:none;}
  .link-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .agent-banner{padding:34px 24px;}
  .about-media{grid-template-columns:1fr;}
  .img-box.span-2{grid-column:auto;}
}
@media (max-width:520px){
  .hero{padding:42px 0 52px;}
  .hero-stats{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .net-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .chip{padding:9px 14px;font-size:13px;}
  .float-bar{right:12px;bottom:14px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .has-js .reveal{opacity:1;transform:none;transition:none;}
  .blob-1,.blob-2,.hero-badge .pulse{animation:none;}
  *{transition-duration:.01ms !important;}
}