:root{
  --ink:#191827;
  --ink-soft:#4A4862;
  --ink-mute:#6C6A85;
  --paper:#FDFBF6;
  --card:#FFFFFF;
  --coral:#FF5C39;
  --coral-deep:#D64224;
  --teal:#17A390;
  --violet:#7C5CFC;
  --violet-deep:#5B41C9;
  --yellow:#FFC93C;
  --line:rgba(25,24,39,.10);
  --radius-l:26px;
  --radius-m:20px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 8% 4%, rgba(255,92,57,.13), transparent 38%),
    radial-gradient(circle at 94% 8%, rgba(124,92,252,.15), transparent 36%),
    radial-gradient(circle at 84% 62%, rgba(23,163,144,.11), transparent 40%),
    radial-gradient(circle at 12% 90%, rgba(255,201,60,.16), transparent 38%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(25,24,39,.05) 1px, transparent 1px);
  background-size:26px 26px;
}
.site-header,.site-main,.site-footer{position:relative;z-index:1;}
img{max-width:100%;}
a{color:inherit;}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(253,251,246,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1.5px dashed rgba(25,24,39,.14);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:70px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  text-decoration:none;
  color:var(--ink);
}
.ai-page-logo{width:38px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:900;letter-spacing:.5px;}
.brand-sub{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--ink-mute);}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  margin:0;
  padding:0;
  list-style:none;
  flex-wrap:nowrap;
}
.nav-links>li{flex:0 0 auto;}
.nav-links a{
  display:block;
  padding:9px 11px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-soft);
  text-decoration:none;
  border-radius:10px;
  white-space:nowrap;
  transition:color .22s,background-color .22s,transform .22s;
}
.nav-links a:hover{color:var(--ink);background:rgba(124,92,252,.10);transform:translateY(-1px);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 20px;
  border-radius:999px;
  background:var(--coral);
  color:#fff;
  font-size:14px;
  font-weight:800;
  text-decoration:none;
  box-shadow:0 5px 0 rgba(214,66,36,.32);
  transition:transform .22s,box-shadow .22s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 0 rgba(214,66,36,.32);}
.nav-cta:active{transform:translateY(2px);box-shadow:0 3px 0 rgba(214,66,36,.32);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border-radius:14px;
  border:1.5px dashed rgba(25,24,39,.28);
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .25s,top .25s;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.open span{background:transparent;}
.nav-toggle.open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg);}

/* ---------- hero ---------- */
.hero{padding:58px 0 68px;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:#fff;
  border:1.5px dashed rgba(124,92,252,.5);
  color:var(--violet-deep);
  font-size:13px;
  font-weight:800;
  letter-spacing:.4px;
}
.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 4px rgba(255,92,57,.16);
}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.22;
  font-weight:900;
  letter-spacing:-.6px;
}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 58%,rgba(255,201,60,.78) 58%);
  padding:0 2px;
  border-radius:4px;
}
.hero-lead{
  margin:0 0 28px;
  max-width:560px;
  color:var(--ink-soft);
  font-size:16.5px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  border-radius:16px;
  font-size:15.5px;
  font-weight:800;
  text-decoration:none;
  border:none;
  cursor:pointer;
  font-family:inherit;
  transition:transform .22s,box-shadow .22s,border-color .22s,background-color .22s;
}
.btn-primary{
  background:var(--coral);
  color:#fff;
  box-shadow:0 8px 0 rgba(214,66,36,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 11px 0 rgba(214,66,36,.32);}
.btn-primary:active{transform:translateY(2px);box-shadow:0 4px 0 rgba(214,66,36,.32);}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border:1.5px dashed rgba(25,24,39,.28);
  box-shadow:0 8px 0 rgba(25,24,39,.06);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:rgba(25,24,39,.5);box-shadow:0 11px 0 rgba(25,24,39,.08);}
.btn-ghost:active{transform:translateY(2px);box-shadow:0 4px 0 rgba(25,24,39,.06);}
.hero-notes{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  margin:28px 0 0;
  padding:0;
  font-size:14px;
  font-weight:600;
  color:var(--ink-soft);
}
.hero-notes li{display:flex;align-items:center;gap:8px;}
.hero-notes li::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--teal);
  transform:rotate(45deg);
}
.hero-visual{
  display:flex;
  flex-direction:column;
  gap:16px;
  position:relative;
}
.doodle-card{
  background:#fff;
  border:1.6px solid rgba(25,24,39,.10);
  border-radius:28px 20px 26px 22px;
  padding:20px 24px;
  box-shadow:0 16px 38px rgba(25,24,39,.09);
  transition:transform .3s,box-shadow .3s;
}
.doodle-card:hover{transform:translateY(-5px) rotate(0deg);box-shadow:0 22px 46px rgba(25,24,39,.14);}
.card-a{transform:rotate(-1.6deg);animation:floatA 7s ease-in-out infinite;}
.card-b{transform:rotate(1.5deg);margin-left:42px;border-color:rgba(124,92,252,.35);animation:floatB 8s ease-in-out infinite;}
.card-c{transform:rotate(-.9deg);animation:floatA 9s ease-in-out infinite;}
@keyframes floatA{
  0%,100%{transform:rotate(-1.6deg) translateY(0);}
  50%{transform:rotate(-1.1deg) translateY(-7px);}
}
@keyframes floatB{
  0%,100%{transform:rotate(1.5deg) translateY(0);}
  50%{transform:rotate(1deg) translateY(-9px);}
}
.dc-label{display:block;font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--violet-deep);}
.dc-num{display:block;font-size:38px;font-weight:900;line-height:1.15;margin:4px 0 4px;color:var(--ink);}
.dc-num.coral{color:var(--coral);}
.dc-num.violet{color:var(--violet);}
.dc-unit{font-size:17px;font-weight:800;color:var(--ink-mute);margin-left:2px;}
.dc-desc{display:block;font-size:13px;color:var(--ink-mute);font-weight:600;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.chip{
  display:inline-block;
  padding:6px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  background:#F4F1FF;
  color:#5B41C9;
  border:1px solid rgba(124,92,252,.22);
}
.chip.c2{background:#EAF8F4;color:#0F7E6E;border-color:rgba(23,163,144,.25);}
.chip.c3{background:#FFF6E0;color:#8A6100;border-color:rgba(255,201,60,.5);}
.chip.c4{background:#FFEFEA;color:#C1401F;border-color:rgba(255,92,57,.28);}

/* ---------- sections ---------- */
.section{padding:62px 0;}
.section-head{max-width:760px;margin:0 0 36px;}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:900;
  letter-spacing:2.4px;
  color:var(--coral);
}
.section-tag::before{
  content:"";
  width:22px;
  height:3px;
  border-radius:3px;
  background:var(--coral);
  transform:rotate(-4deg);
}
.section h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  font-weight:900;
  margin:14px 0 14px;
  letter-spacing:-.3px;
}
.section-head p{margin:0;color:var(--ink-soft);font-size:15.5px;}

/* ---------- metrics ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin:38px 0 0;
}
.metric{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:24px 18px 22px 20px;
  padding:22px 20px;
  text-align:center;
  box-shadow:0 10px 26px rgba(25,24,39,.06);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.metric:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(25,24,39,.12);border-color:rgba(255,92,57,.35);}
.metric strong{display:block;font-size:30px;font-weight:900;line-height:1.2;color:var(--coral);}
.metric:nth-child(2) strong{color:var(--violet);}
.metric:nth-child(3) strong{color:var(--teal);}
.metric:nth-child(4) strong{color:#C99A00;}
.metric span{display:block;margin-top:6px;font-size:13.5px;font-weight:700;color:var(--ink-mute);}

/* ---------- grids / cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;align-items:stretch;}
.card{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:24px 18px 22px 20px;
  padding:26px;
  box-shadow:0 8px 22px rgba(25,24,39,.06);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(25,24,39,.12);border-color:rgba(255,92,57,.35);}
.card h3{margin:0 0 10px;font-size:17.5px;font-weight:900;line-height:1.4;}
.card p{margin:0;color:var(--ink-soft);font-size:14.5px;}
.card-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-bottom:14px;
  border-radius:14px 10px 13px 11px;
  background:#F4F1FF;
  color:var(--violet-deep);
  font-size:15px;
  font-weight:900;
  letter-spacing:.5px;
}
.card:nth-child(2) .card-icon{background:#FFEFEA;color:#C1401F;}
.card:nth-child(3) .card-icon{background:#EAF8F4;color:#0F7E6E;}
.card:nth-child(4) .card-icon{background:#FFF6E0;color:#8A6100;}
.card:nth-child(5) .card-icon{background:#EEF6FF;color:#1B5FA8;}
.card:nth-child(6) .card-icon{background:#FDF0FF;color:#8A2BA8;}

/* ---------- chips cloud ---------- */
.cloud-block{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:26px 20px 24px 22px;
  padding:26px 26px 22px;
  box-shadow:0 10px 28px rgba(25,24,39,.06);
  margin-bottom:26px;
}
.cloud-block h3{margin:0 0 6px;font-size:16px;font-weight:900;}
.cloud-block .cloud-note{margin:0 0 16px;font-size:13.5px;color:var(--ink-mute);}
.cloud{display:flex;flex-wrap:wrap;gap:9px;margin:0;padding:0;list-style:none;}
.cloud li{
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:var(--ink-soft);
  background:#FBF9F3;
  border:1px dashed rgba(25,24,39,.16);
  transition:transform .22s,background-color .22s,color .22s,border-color .22s;
}
.cloud li:hover{transform:translateY(-3px);background:#fff;color:var(--coral);border-color:rgba(255,92,57,.45);}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:20px 16px 18px 16px;
  padding:24px 18px 20px;
  box-shadow:0 8px 20px rgba(25,24,39,.05);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.step:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(25,24,39,.11);border-color:rgba(23,163,144,.4);}
.step::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  display:block;
  font-size:13px;
  font-weight:900;
  letter-spacing:1px;
  color:var(--teal);
  margin-bottom:10px;
}
.step h3{margin:0 0 8px;font-size:15.5px;font-weight:900;}
.step p{margin:0;font-size:13.5px;color:var(--ink-soft);line-height:1.6;}

/* ---------- cases ---------- */
.case-card{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:24px 18px 22px 20px;
  padding:14px;
  box-shadow:0 10px 26px rgba(25,24,39,.07);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(25,24,39,.13);border-color:rgba(124,92,252,.38);}
.case-media{
  position:relative;
  aspect-ratio:4/3;
  border-radius:16px 12px 14px 12px;
  overflow:hidden;
  background:#F3F0E9;
  border:1px solid rgba(25,24,39,.07);
}
.case-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .5s ease;
}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-info{padding:16px 8px 8px;}
.case-info h3{margin:0 0 6px;font-size:15.5px;font-weight:900;}
.case-info p{margin:0;font-size:13.5px;color:var(--ink-soft);}

/* ---------- review / score ---------- */
.review-layout{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:26px;
  align-items:start;
}
.score-card{
  background:#fff;
  border:1.6px dashed rgba(255,92,57,.45);
  border-radius:28px 20px 26px 22px;
  padding:30px 26px;
  box-shadow:0 16px 38px rgba(25,24,39,.08);
  position:relative;
  overflow:hidden;
}
.score-card::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:130px;
  height:130px;
  border-radius:42% 58% 55% 45%;
  background:rgba(255,201,60,.28);
}
.score-label{
  display:inline-block;
  padding:5px 13px;
  border-radius:999px;
  background:#FFEFEA;
  color:#C1401F;
  font-size:12.5px;
  font-weight:900;
  letter-spacing:1px;
}
.stars{display:block;margin:14px 0 6px;font-size:22px;letter-spacing:5px;color:#FFB300;line-height:1;}
.score-num{font-size:52px;font-weight:900;line-height:1.05;color:var(--coral);}
.score-num span{font-size:18px;font-weight:800;color:var(--ink-mute);margin-left:6px;}
.score-card p{margin:14px 0 0;font-size:14px;color:var(--ink-soft);position:relative;z-index:1;}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:22px;
  box-shadow:0 10px 26px rgba(25,24,39,.06);
}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px;}
thead th{
  background:#F6F3FF;
  color:#3B2E7A;
  font-weight:900;
  font-size:13.5px;
  letter-spacing:.5px;
  white-space:nowrap;
}
th,td{padding:14px 18px;text-align:left;border-bottom:1px dashed rgba(25,24,39,.09);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background-color .2s;}
tbody tr:hover{background:#FFFBF0;}
td:first-child{font-weight:900;color:var(--ink);}
td.strong{color:#C1401F;font-weight:800;}

/* ---------- token ---------- */
.token-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px;}
.token-note{
  background:#fff;
  border:1.5px dashed rgba(23,163,144,.38);
  border-radius:22px 16px 20px 18px;
  padding:20px;
}
.token-note h3{margin:0 0 8px;font-size:15px;font-weight:900;color:#0F7E6E;}
.token-note p{margin:0;font-size:13.5px;color:var(--ink-soft);}

/* ---------- form ---------- */
.form-card{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:28px 20px 26px 22px;
  padding:32px;
  box-shadow:0 16px 40px rgba(25,24,39,.08);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:900;color:#3A3850;}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:12px 15px;
  border-radius:14px;
  border:1.5px solid rgba(25,24,39,.16);
  background:#FFFDF9;
  font-size:14.5px;
  font-family:inherit;
  color:var(--ink);
  transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--coral);
  background:#fff;
  box-shadow:0 0 0 4px rgba(255,92,57,.12);
}
.form-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:22px;
}
.form-foot .form-tip{margin:0;font-size:13px;color:var(--ink-mute);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:18px;
  padding:0 22px;
  transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,92,57,.42);box-shadow:0 14px 32px rgba(25,24,39,.10);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:18px 40px 18px 0;
  font-size:15.5px;
  font-weight:800;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:26px;
  height:26px;
  line-height:24px;
  text-align:center;
  border-radius:9px;
  background:#F4F1FF;
  color:#5B41C9;
  font-weight:900;
  font-size:16px;
  transition:background-color .2s,color .2s;
}
.faq-item[open] summary::after{content:"−";background:var(--coral);color:#fff;}
.faq-item p{margin:0 0 18px;font-size:14.5px;color:var(--ink-soft);}

/* ---------- reviews ---------- */
.review-card{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:24px 18px 22px 20px;
  padding:24px;
  box-shadow:0 8px 22px rgba(25,24,39,.06);
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.review-card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(25,24,39,.12);border-color:rgba(124,92,252,.36);}
.review-quote{margin:0;font-size:14.5px;color:var(--ink-soft);flex:1 1 auto;}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;
  height:42px;
  flex:0 0 auto;
  border-radius:14px 10px 12px 11px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:900;
  color:#fff;
  background:var(--violet);
}
.review-card:nth-child(2n) .avatar{background:var(--teal);}
.review-card:nth-child(3n) .avatar{background:var(--coral);}
.review-user strong{display:block;font-size:14px;font-weight:900;}
.review-user span{display:block;font-size:12.5px;color:var(--ink-mute);}

/* ---------- help / wiki / news ---------- */
.help-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;}
.help-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.help-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  background:#fff;
  border:1.5px dashed rgba(25,24,39,.14);
  border-radius:16px;
  font-size:14px;
  color:var(--ink-soft);
  transition:border-color .22s,transform .22s;
}
.help-list li:hover{border-color:rgba(255,92,57,.42);transform:translateX(4px);}
.help-list strong{color:var(--ink);font-weight:900;white-space:nowrap;}
.news-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.news-list a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:16px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  text-decoration:none;
  transition:border-color .22s,transform .22s,box-shadow .22s,color .22s;
}
.news-list a::before{
  content:"";
  width:8px;
  height:8px;
  flex:0 0 auto;
  border-radius:3px;
  background:var(--yellow);
  transform:rotate(45deg);
}
.news-list a:hover{transform:translateX(4px);border-color:rgba(255,92,57,.42);color:#C1401F;box-shadow:0 8px 20px rgba(25,24,39,.08);}

/* ---------- contact ---------- */
.contact-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.contact-item{
  background:#fff;
  border:1.5px solid rgba(25,24,39,.09);
  border-radius:18px;
  padding:16px 18px;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.contact-item:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(25,24,39,.10);border-color:rgba(23,163,144,.4);}
.contact-item span{display:block;font-size:12.5px;font-weight:800;letter-spacing:1px;color:var(--ink-mute);}
.contact-item strong{display:block;margin-top:4px;font-size:14.5px;font-weight:800;color:var(--ink);word-break:break-all;}
.contact-item a{text-decoration:none;color:#C1401F;}
.contact-item a:hover{text-decoration:underline;}
.qr-card{
  background:#fff;
  border:1.5px dashed rgba(255,92,57,.42);
  border-radius:24px 18px 22px 20px;
  padding:22px;
  text-align:center;
  box-shadow:0 12px 30px rgba(25,24,39,.08);
}
.qr-card img{
  display:block;
  width:170px;
  max-width:100%;
  height:auto;
  margin:0 auto 12px;
  border-radius:14px;
  border:1px solid rgba(25,24,39,.08);
}
.qr-card p{margin:0;font-size:13.5px;font-weight:700;color:var(--ink-soft);}
.agent-card{
  margin-top:22px;
  background:linear-gradient(140deg,#FFF3EE,#F4F1FF 65%,#EAF8F4);
  border:1.5px solid rgba(124,92,252,.24);
  border-radius:26px 20px 24px 22px;
  padding:26px;
}
.agent-card h3{margin:0 0 10px;font-size:18px;font-weight:900;}
.agent-card p{margin:0 0 16px;font-size:14.5px;color:var(--ink-soft);}

/* ---------- footer ---------- */
.site-footer{
  background:#17162A;
  color:#CFCDE0;
  padding:46px 0 22px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:36px;
  align-items:start;
}
.footer-title{
  margin:0 0 14px;
  font-size:16px;
  font-weight:900;
  color:#FFFFFF;
  letter-spacing:.5px;
}
.footer-brand p{
  margin:0 0 16px;
  font-size:14px;
  color:#B9B7CE;
  max-width:420px;
}
.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:13.5px;color:#B9B7CE;}
.footer-contact a{color:#FFB39F;text-decoration:none;}
.footer-contact a:hover{text-decoration:underline;color:#FFFFFF;}
.footer-links ul{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px 18px;
}
.footer-links a{
  font-size:13.5px;
  color:#B9B7CE;
  text-decoration:none;
  transition:color .2s;
}
.footer-links a:hover{color:var(--yellow);}
.footer-bottom{
  margin-top:30px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:#9C9AB4;
  text-align:center;
}
.footer-bottom p{margin:0;}

/* ---------- floating tools ---------- */
.float-tools{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:90;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-end;
}
.float-btn{
  width:54px;
  height:54px;
  border-radius:18px;
  border:1.5px solid rgba(25,24,39,.10);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  font-family:inherit;
  font-size:12.5px;
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 12px 28px rgba(25,24,39,.18);
  transition:transform .22s,box-shadow .22s,background-color .22s,color .22s;
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(25,24,39,.22);}
.float-btn.kf{background:var(--coral);color:#fff;border-color:rgba(214,66,36,.4);}
.float-btn.kf:hover{background:#EF4E2B;}
.back-top{opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,transform .22s;}
.back-top.show{opacity:1;visibility:visible;}
.kf-panel{
  position:fixed;
  right:18px;
  bottom:88px;
  width:252px;
  max-width:calc(100vw - 36px);
  background:#fff;
  border:1.5px solid rgba(25,24,39,.10);
  border-radius:22px;
  padding:18px;
  box-shadow:0 22px 50px rgba(25,24,39,.22);
  z-index:91;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .25s,visibility .25s,transform .25s;
}
.kf-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.kf-panel h3{margin:0 0 12px;font-size:15px;font-weight:900;}
.kf-panel img{
  display:block;
  width:150px;
  max-width:100%;
  height:auto;
  margin:0 auto 12px;
  border-radius:12px;
  border:1px solid rgba(25,24,39,.08);
}
.kf-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:13px;color:var(--ink-soft);}
.kf-panel ul strong{color:var(--ink);}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1);}
.js .reveal.in{opacity:1;transform:none;}
.js .reveal.d1{transition-delay:.08s;}
.js .reveal.d2{transition-delay:.16s;}
.js .reveal.d3{transition-delay:.24s;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  .card-a,.card-b,.card-c{animation:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    background:#fff;
    border-bottom:1.5px solid rgba(25,24,39,.10);
    box-shadow:0 20px 44px rgba(25,24,39,.14);
    padding:8px 18px 16px;
    max-height:72vh;
    overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 8px;font-size:15px;border-bottom:1px dashed rgba(25,24,39,.09);border-radius:0;}
  .nav-links>li:last-child a{border-bottom:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:42px 0 54px;}
  .card-b{margin-left:0;}
  .review-layout{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .help-layout{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .token-notes{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .section{padding:48px 0;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .footer-links ul{grid-template-columns:1fr;}
  .brand-sub{display:none;}
  .nav-cta{padding:9px 16px;font-size:13.5px;}
  .hero-notes{gap:8px 18px;}
  .btn{width:100%;}
  .hero-actions{gap:12px;}
  .float-tools{right:12px;bottom:14px;}
  .kf-panel{right:12px;bottom:80px;}
}