*{box-sizing:border-box}
:root{
  --ink:#241019;
  --ink-soft:#4b3440;
  --muted:#7a5f6b;
  --pink:#ff2f6d;
  --pink-dark:#c2104a;
  --pink-light:#ff86ab;
  --pink-tint:#ffeaf1;
  --line:rgba(194,16,74,.14);
  --card:#ffffff;
  --shadow:0 22px 48px -32px rgba(150,12,60,.55);
  --radius:18px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  background:#fdf5f8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
a{color:var(--pink-dark);text-decoration:none}
img{max-width:100%}
.page{
  position:relative;
  background:linear-gradient(180deg,#fff6f9 0%,#fdf3f8 35%,#fff7fa 70%,#fdf2f7 100%);
}
.page::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(560px 420px at 5% 1%,rgba(255,47,109,.18),transparent 68%),
    radial-gradient(640px 460px at 97% 9%,rgba(255,134,171,.24),transparent 68%),
    radial-gradient(720px 520px at 12% 46%,rgba(255,47,109,.07),transparent 70%),
    radial-gradient(760px 560px at 88% 74%,rgba(255,47,109,.08),transparent 70%),
    radial-gradient(600px 420px at 45% 97%,rgba(255,134,171,.14),transparent 70%);
}
.page > *{position:relative;z-index:1}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,250,252,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-stuck{box-shadow:0 12px 30px -22px rgba(150,12,60,.8)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:70px;
  padding-top:8px;
  padding-bottom:8px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.ai-page-logo{display:block;max-height:40px;width:auto}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.04em;color:var(--ink)}
.nav{display:flex;align-items:center;gap:14px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{
  display:block;
  padding:8px 9px;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-soft);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--pink-dark);background:rgba(255,47,109,.09)}
.nav-cta{font-size:14px;padding:10px 18px}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:38px;
  border-radius:11px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--pink-dark);
  font-size:18px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.nav-toggle:active{transform:scale(.95)}
/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#ff2f6d,#ff6f9c);
  color:#ffffff;
  box-shadow:0 14px 28px -14px rgba(255,47,109,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(255,47,109,.9)}
.btn-ghost{
  background:#ffffff;
  color:var(--pink-dark);
  border-color:rgba(255,47,109,.36);
}
.btn-ghost:hover{background:#fff1f6;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.985)}
/* sections */
.section{padding:60px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0 0 12px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--pink-dark);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
}
.section-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pink)}
.section-title{
  font-size:clamp(22px,3.1vw,32px);
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:12px;
}
.section-desc{color:var(--muted);font-size:15.5px}
.sub-title{font-size:18px;margin:38px 0 18px;color:var(--ink)}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:0 18px 40px -36px rgba(150,12,60,.6);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,47,109,.34);
  box-shadow:0 26px 54px -30px rgba(150,12,60,.55);
}
/* hero */
.hero{position:relative;padding:52px 0 34px}
.hero-deco{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:46px;opacity:.7}
.blob-1{
  width:150px;height:150px;top:-26px;right:6%;
  background:linear-gradient(135deg,rgba(255,47,109,.24),rgba(255,134,171,.06));
  transform:rotate(18deg);
  animation:floaty 9s ease-in-out infinite;
}
.blob-2{
  width:96px;height:96px;top:210px;left:2%;
  background:linear-gradient(135deg,rgba(255,134,171,.28),rgba(255,47,109,.05));
  transform:rotate(-12deg);
  animation:floaty 11s ease-in-out infinite reverse;
}
.blob-3{
  width:64px;height:64px;bottom:18px;right:26%;
  border-radius:22px;
  background:linear-gradient(135deg,rgba(255,47,109,.16),rgba(255,255,255,.2));
  transform:rotate(24deg);
  animation:floaty 13s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{transform:translateY(0) rotate(16deg)}
  50%{transform:translateY(-14px) rotate(24deg)}
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-bottom:18px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(255,47,109,.24);
  color:var(--pink-dark);
  font-size:13px;
  font-weight:700;
  box-shadow:0 12px 26px -24px rgba(150,12,60,.9);
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--pink);
  box-shadow:0 0 0 4px rgba(255,47,109,.16);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(255,47,109,.16)}
  50%{box-shadow:0 0 0 8px rgba(255,47,109,.06)}
}
.hero h1{
  font-size:clamp(27px,4.4vw,43px);
  line-height:1.26;
  letter-spacing:-.02em;
  margin-bottom:16px;
  color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--pink-dark)}
.hero-lead{font-size:16px;color:var(--ink-soft);max-width:560px;margin-bottom:24px}
.hero-lead strong{color:var(--pink-dark)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-note{margin-top:14px;font-size:13px;color:var(--muted)}
.hero-panel{
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:22px;
  padding:22px;
  box-shadow:var(--shadow);
}
.panel-label{
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.12em;
  color:var(--pink-dark);
  margin-bottom:12px;
}
.model-tags{display:flex;flex-wrap:wrap;gap:8px}
.model-tags li{
  font-size:12.5px;
  font-weight:600;
  padding:5px 11px;
  border-radius:999px;
  color:var(--pink-dark);
  background:var(--pink-tint);
  border:1px solid rgba(255,47,109,.16);
  transition:transform .22s ease,background .22s ease;
}
.model-tags li:hover{transform:translateY(-2px);background:#ffe0ea}
.panel-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--muted);
}
.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:36px}
.stat{
  background:rgba(255,255,255,.88);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 18px;
  box-shadow:0 16px 34px -34px rgba(150,12,60,.8);
  transition:transform .25s ease;
}
.stat:hover{transform:translateY(-3px)}
.stat b{display:block;font-size:23px;line-height:1.25;color:var(--pink-dark)}
.stat span{font-size:13px;color:var(--muted)}
/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.about-copy{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}
.about-copy p{color:var(--ink-soft);font-size:15px;margin-bottom:14px}
.about-copy p:last-of-type{margin-bottom:18px}
.about-copy strong{color:var(--pink-dark)}
.text-link{font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease}
.text-link:hover{gap:10px}
.pillar-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:6px 24px;
  box-shadow:var(--shadow);
}
.pillar{padding:15px 0;border-bottom:1px dashed var(--line)}
.pillar:last-child{border-bottom:0}
.pillar h3{font-size:15.5px;margin-bottom:3px;display:flex;align-items:center;gap:9px}
.pillar h3::before{
  content:"";
  width:6px;height:6px;border-radius:2px;
  background:linear-gradient(135deg,#ff2f6d,#ff86ab);
  flex:0 0 auto;
}
.pillar p{font-size:13.5px;color:var(--muted);padding-left:15px}
/* services */
.service-card{display:flex;flex-direction:column}
.icon-wrap{
  width:44px;height:44px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ffe3ec,#fff4f8);
  border:1px solid rgba(255,47,109,.18);
  color:var(--pink-dark);
  margin-bottom:14px;
}
.icon-wrap svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{font-size:17px;margin-bottom:8px}
.service-card p{font-size:14px;color:var(--muted);margin-bottom:16px;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:7px}
.tag{
  font-size:12px;
  padding:4px 10px;
  border-radius:8px;
  color:var(--pink-dark);
  background:#fff5f8;
  border:1px solid var(--line);
}
/* scenes */
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:15px;
  padding:17px 18px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(255,47,109,.34);box-shadow:0 22px 44px -34px rgba(150,12,60,.7)}
.scene-card h3{font-size:15px;margin-bottom:6px;color:var(--ink)}
.scene-card p{font-size:13px;color:var(--muted);line-height:1.65}
/* network + steps */
.network-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.network-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:15px;
  padding:18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.network-item:hover{transform:translateY(-3px);box-shadow:0 20px 40px -34px rgba(150,12,60,.8)}
.network-item h3{font-size:15px;margin-bottom:6px}
.network-item p{font-size:13px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 22px 44px -32px rgba(150,12,60,.7)}
.step-num{
  width:34px;height:34px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ff2f6d,#ff86ab);
  color:#fff;
  font-size:14px;
  font-weight:800;
  margin-bottom:12px;
}
.step h3{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}
/* solutions */
.solution-card{display:flex;flex-direction:column;gap:12px}
.solution-card h3{font-size:16.5px}
.solution-card p{font-size:14px;color:var(--muted);flex:1}
/* cases */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.case-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 30px 60px -34px rgba(150,12,60,.65)}
.case-media{
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#fdf0f6,#fff7fa);
  display:flex;align-items:center;justify-content:center;
  padding:12px;
}
.case-media img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;border-radius:10px}
.case-body{padding:16px 20px 20px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--muted)}
/* review */
.review-banner{
  display:flex;
  align-items:center;
  gap:26px;
  flex-wrap:wrap;
  background:linear-gradient(120deg,#fff1f6,#ffffff 60%);
  border:1px solid rgba(255,47,109,.24);
  border-radius:20px;
  padding:24px 26px;
  box-shadow:var(--shadow);
  margin-bottom:24px;
}
.review-score{display:flex;align-items:baseline;gap:6px;color:var(--pink-dark)}
.review-score strong{font-size:44px;line-height:1;letter-spacing:-.03em}
.review-score span{font-size:15px;font-weight:700;color:var(--muted)}
.review-meta{flex:1;min-width:220px}
.stars{color:#ff8a1f;letter-spacing:.16em;font-size:17px;line-height:1.2;margin-bottom:4px}
.review-meta p{font-size:14px;color:var(--ink-soft)}
.review-note{font-size:13px !important;color:var(--muted) !important;margin-top:4px}
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:660px}
thead th{
  background:#fff2f7;
  color:var(--pink-dark);
  font-size:13.5px;
  letter-spacing:.02em;
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
tbody td{
  padding:14px 18px;
  font-size:14px;
  color:var(--ink-soft);
  border-bottom:1px solid var(--line);
}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
td.col-best{background:rgba(255,47,109,.05);color:#9c0e3d;font-weight:600}
/* token */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.price-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .28s ease,box-shadow .28s ease;
}
.price-card:hover{transform:translateY(-4px)}
.price-card.featured{
  border-color:rgba(255,47,109,.4);
  background:linear-gradient(160deg,#fff3f8,#ffffff 65%);
}
.price-label{font-size:15.5px;font-weight:800;color:var(--ink)}
.price-note{font-size:13px;color:var(--muted)}
.price-list{display:grid;gap:9px}
.price-list li{
  font-size:13.5px;
  color:var(--ink-soft);
  padding-left:18px;
  position:relative;
  line-height:1.6;
}
.price-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:3px;
  background:linear-gradient(135deg,#ff2f6d,#ff86ab);
}
.price-foot{font-size:12.5px;color:var(--muted);margin-top:6px}
/* partner */
.partner-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:28px 30px;
  border-radius:20px;
  background:linear-gradient(120deg,#ff2f6d,#ff6f9c 55%,#ff96b7);
  box-shadow:0 26px 56px -30px rgba(255,47,109,.9);
}
.partner-band h2{font-size:clamp(19px,2.6vw,25px);color:#fff;margin-bottom:8px}
.partner-band p{font-size:14px;color:#ffe8ef;max-width:600px}
.partner-band .btn{background:#fff;color:var(--pink-dark);box-shadow:0 16px 30px -18px rgba(90,0,30,.9)}
.partner-band .btn:hover{background:#fff5f9}
/* reviews */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.quote-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:16px;
  box-shadow:0 18px 42px -38px rgba(150,12,60,.8);
  transition:transform .28s ease,box-shadow .28s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:0 26px 50px -32px rgba(150,12,60,.6)}
.quote-card p{font-size:14.5px;color:var(--ink-soft);flex:1}
.quote-meta{padding-top:14px;border-top:1px dashed var(--line)}
.quote-meta strong{display:block;font-size:14px;color:var(--ink)}
.quote-meta span{font-size:12.5px;color:var(--muted)}
/* help */
.help-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.help-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.help-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -34px rgba(150,12,60,.7)}
.help-card h3{font-size:15.5px;margin-bottom:8px}
.help-card p{font-size:13px;color:var(--muted)}
.help-card a{font-size:13px;font-weight:700}
.help-detail{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-top:26px;align-items:start}
.article-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:8px 22px;
  box-shadow:var(--shadow);
}
.article-list li{border-bottom:1px dashed var(--line)}
.article-list li:last-child{border-bottom:0}
.article-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 0;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease;
}
.article-list a:hover{color:var(--pink-dark)}
.article-list a::after{content:"→";color:var(--pink);font-weight:700}
.cms-slot{padding:12px 0 14px;font-size:12.5px;color:var(--muted)}
.cloud-box{
  background:linear-gradient(160deg,#fff3f8,#ffffff 70%);
  border:1px solid rgba(255,47,109,.2);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.cloud-box h3{font-size:15.5px;margin-bottom:10px}
.cloud-box p{font-size:13px;color:var(--muted);margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud span{
  font-size:12.5px;
  padding:5px 11px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--pink-dark);
  font-weight:600;
  transition:transform .2s ease,background .2s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);background:#ffeaf1}
/* faq */
.faq-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:6px 24px;
  box-shadow:var(--shadow);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 0;
  background:none;
  border:0;
  font-family:inherit;
  font-size:15.5px;
  font-weight:700;
  color:var(--ink);
  text-align:left;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--pink-dark)}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--pink-tint);
  color:var(--pink-dark);
  font-size:16px;
  line-height:1;
  transition:transform .3s ease,background .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#ffd7e4}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 0 18px;font-size:14px;color:var(--muted)}
.faq-item.is-open .faq-a{max-height:420px}
/* contact */
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:start}
.contact-info{
  background:linear-gradient(160deg,#fff3f8,#ffffff 70%);
  border:1px solid rgba(255,47,109,.22);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}
.contact-info h3{font-size:16px;margin-bottom:14px}
.contact-list{display:grid;gap:10px;margin-bottom:18px}
.contact-list li{font-size:14px;color:var(--ink-soft)}
.contact-list strong{color:var(--pink-dark);font-weight:700}
.qr-box{
  display:flex;
  align-items:center;
  gap:16px;
  padding:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
}
.qr-box img{width:104px;height:auto;border-radius:10px;display:block}
.qr-box p{font-size:13px;color:var(--muted)}
.qr-box strong{display:block;font-size:14px;color:var(--ink);margin-bottom:4px}
.cform{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
  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-soft)}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;
  font-size:14px;
  color:var(--ink);
  padding:11px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fffafc;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(255,47,109,.5);
  background:#fff;
  box-shadow:0 0 0 4px rgba(255,47,109,.1);
}
.form-submit{grid-column:1 / -1;width:100%;padding:13px 24px}
.form-tip{grid-column:1 / -1;font-size:12.5px;color:var(--muted);margin-top:-4px}
/* footer */
.site-footer{
  background:#2b0f1d;
  color:#f6e3eb;
  padding:44px 0 20px;
  margin-top:10px;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.4fr 1fr auto;
  gap:26px;
  align-items:start;
  padding-bottom:26px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand .ai-page-logo{max-height:36px}
.footer-brand p{font-size:13.5px;color:#e6c9d6;max-width:420px}
.footer-contact{font-size:13.5px;color:#ffb3c8}
.footer-links h3,.footer-qr h3{font-size:14px;color:#fff;margin-bottom:12px}
.footer-links ul{display:grid;gap:8px}
.footer-links a{font-size:13.5px;color:#ffb3c8;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-qr img{width:104px;height:auto;border-radius:10px;background:#fff;padding:6px;display:block}
.footer-qr p{font-size:12.5px;color:#e6c9d6;margin-top:8px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  padding-top:18px;
}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-size:12.5px;color:#d8aebf}
.friend-links a{color:#ffb3c8;transition:color .2s ease}
.friend-links a:hover{color:#fff}
.copyright{font-size:12.5px;color:#d8aebf}
.ai-page-home-link{color:#ff9ebb;font-weight:700}
.ai-page-home-link:hover{color:#fff}
/* float tools */
.float-tools{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.float-btn{
  width:48px;height:48px;
  border-radius:15px;
  border:1px solid rgba(255,47,109,.2);
  background:#fff;
  color:var(--pink-dark);
  font-family:inherit;
  font-size:14px;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 16px 32px -20px rgba(150,12,60,.9);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.float-btn:hover{transform:translateY(-3px);background:#fff1f6}
.float-btn-main{
  background:linear-gradient(135deg,#ff2f6d,#ff6f9c);
  color:#fff;
  border-color:transparent;
  font-size:13px;
}
.float-btn-main:hover{background:linear-gradient(135deg,#ff2f6d,#ff86ab);color:#fff}
.cs-panel{
  position:absolute;
  right:0;
  bottom:calc(100% + 12px);
  width:228px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  box-shadow:0 26px 54px -26px rgba(150,12,60,.7);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.cs-panel.is-open{opacity:1;visibility:visible;transform:none}
.cs-panel img{width:100%;height:auto;border-radius:10px;display:block;margin-bottom:10px}
.cs-panel p{font-size:12.5px;color:var(--muted);line-height:1.6}
.cs-panel strong{display:block;font-size:13.5px;color:var(--ink);margin-bottom:6px}
/* reveal */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .blob-1,.blob-2,.blob-3,.eyebrow .dot{animation:none}
  html{scroll-behavior:auto}
}
/* responsive */
@media (max-width:1040px){
  .nav-links a{padding:8px 7px;font-size:13px}
  .hero-grid{grid-template-columns:1fr .9fr;gap:26px}
}
@media (max-width:980px){
  .nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px -28px rgba(150,12,60,.6);
    padding:10px 20px 18px;
  }
  .nav.is-open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch}
  .nav-links a{padding:12px 8px;font-size:15px;border-radius:10px}
  .nav-cta{margin-top:10px;width:100%}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .grid-3,.grid-4,.help-grid,.network-strip,.steps,.quote-grid,.price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-grid{grid-template-columns:1fr}
  .help-detail{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .section{padding:46px 0}
  .hero{padding:38px 0 26px}
  .stats-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2,.grid-3,.grid-4,.help-grid,.network-strip,.steps,.quote-grid,.price-grid{grid-template-columns:1fr}
  .cform{grid-template-columns:1fr;padding:20px}
  .review-banner{padding:20px;gap:18px}
  .review-score strong{font-size:36px}
  .partner-band{padding:22px}
  .footer-inner{grid-template-columns:1fr;gap:22px}
  .faq-list{padding:4px 18px}
  .faq-q{font-size:15px}
  .article-list{padding:6px 18px}
  .float-tools{right:12px;bottom:14px}
  .float-btn{width:44px;height:44px;border-radius:13px}
}