*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:92px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#191326;
  background-color:#fff8f4;
  background-image:
    radial-gradient(760px 520px at 6% -6%, rgba(255,45,111,.18), transparent 70%),
    radial-gradient(720px 520px at 96% 6%, rgba(123,47,247,.16), transparent 70%),
    radial-gradient(900px 620px at 50% 46%, rgba(0,184,169,.10), transparent 72%),
    radial-gradient(700px 520px at 4% 96%, rgba(255,159,28,.13), transparent 70%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  line-height:1.7;
}
img{max-width:100%;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,248,244,.86);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(25,19,38,.09);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,#ff2d6f,#7b2ff7,#00b8a9,#ff9f1c);
  opacity:.6;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;position:relative;}
.brand{display:flex;align-items:center;flex:0 0 auto;text-decoration:none;}
.ai-page-logo{max-height:34px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;list-style:none;margin:0;padding:0;}
.nav-links a{
  display:block;padding:8px 10px;border-radius:999px;
  font-size:13.5px;font-weight:600;color:#5a5270;text-decoration:none;
  transition:color .25s ease,background .25s ease,box-shadow .25s ease;
}
.nav-links a:hover{color:#191326;background:#fff;box-shadow:0 6px 16px rgba(123,47,247,.16);}
.nav-side{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;
  width:42px;height:42px;border-radius:12px;cursor:pointer;
  border:1px solid rgba(25,19,38,.14);background:#fff;
  transition:box-shadow .25s ease,transform .25s ease;
}
.nav-toggle:hover{box-shadow:0 8px 18px rgba(123,47,247,.18);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#191326;margin:2.5px 0;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:0;cursor:pointer;
  font-family:inherit;font-size:15px;font-weight:700;text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.btn-primary{color:#fff;background:linear-gradient(120deg,#ff2d6f 0%,#a92ae0 52%,#7b2ff7 100%);box-shadow:0 12px 26px rgba(255,45,111,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,45,111,.42);}
.btn-ghost{color:#191326;background:#fff;border:1.5px solid rgba(25,19,38,.14);box-shadow:0 6px 18px rgba(25,19,38,.06);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(123,47,247,.42);box-shadow:0 14px 28px rgba(123,47,247,.18);}
.btn-sm{padding:9px 20px;font-size:13.5px;}
.btn-block{width:100%;}

/* hero */
.hero{padding:56px 0 12px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  font-size:13px;font-weight:700;color:#b00c50;
  background:linear-gradient(90deg,rgba(255,45,111,.14),rgba(123,47,247,.14));
  border:1px solid rgba(255,45,111,.26);
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#ff2d6f,#7b2ff7);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:900;
  letter-spacing:-.5px;margin:18px 0 16px;color:#191326;
}
.hero h1 .hl{color:#d40a52;}
.hero-sub{font-size:16px;color:#5a5270;max-width:600px;margin:0 0 26px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin:28px 0 0;padding:0;list-style:none;font-size:14px;color:#5a5270;}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,#ff2d6f,#7b2ff7);flex:0 0 auto;}

.hero-panel{position:relative;}
.panel-card{
  position:relative;overflow:hidden;
  background:rgba(255,255,255,.95);
  border:1px solid rgba(25,19,38,.08);
  border-radius:24px;padding:28px 26px;
  box-shadow:0 24px 60px rgba(80,20,120,.14);
  animation:floaty 7s ease-in-out infinite;
}
.panel-card::before{
  content:"";position:absolute;top:-70px;right:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,45,111,.24),transparent 68%);pointer-events:none;
}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.panel-label{font-size:13px;font-weight:800;letter-spacing:1.6px;color:#5a5270;margin:0 0 16px;}
.model-tags{display:flex;flex-wrap:wrap;gap:9px;}
.model-tags span{
  display:inline-block;padding:7px 13px;border-radius:999px;font-size:13px;font-weight:600;
  color:#4b2560;background:rgba(123,47,247,.09);border:1px solid rgba(123,47,247,.18);
  transition:transform .25s ease;
}
.model-tags span:nth-child(3n){color:#a01352;background:rgba(255,45,111,.09);border-color:rgba(255,45,111,.2);}
.model-tags span:nth-child(3n+2){color:#0a6b62;background:rgba(0,184,169,.10);border-color:rgba(0,184,169,.22);}
.model-tags span:hover{transform:translateY(-2px);}
.panel-foot{margin:20px 0 0;font-size:13.5px;color:#5a5270;line-height:1.7;}

/* metrics */
.metrics{padding:36px 0 6px;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.metric{
  position:relative;overflow:hidden;padding:22px 20px;border-radius:18px;
  background:rgba(255,255,255,.92);border:1px solid rgba(25,19,38,.08);
  box-shadow:0 12px 30px rgba(80,20,120,.07);
  transition:transform .3s ease,box-shadow .3s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(80,20,120,.13);}
.metric::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#ff2d6f,#7b2ff7);}
.metric:nth-child(2)::before{background:linear-gradient(90deg,#7b2ff7,#00b8a9);}
.metric:nth-child(3)::before{background:linear-gradient(90deg,#00b8a9,#ff9f1c);}
.metric:nth-child(4)::before{background:linear-gradient(90deg,#ff9f1c,#ff2d6f);}
.metric strong{display:block;font-size:32px;font-weight:900;line-height:1.1;letter-spacing:-.5px;color:#191326;}
.metric strong em{font-style:normal;font-size:18px;color:#d40a52;}
.metric p{margin:8px 0 0;font-size:13.5px;color:#5a5270;}

/* section */
.section{padding:62px 0;}
.section-head{max-width:780px;margin:0 0 36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;margin-bottom:14px;
  font-size:12.5px;font-weight:800;letter-spacing:1px;color:#a10b45;
  background:rgba(255,45,111,.10);border:1px solid rgba(255,45,111,.24);
}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;margin:0 0 12px;font-weight:900;letter-spacing:-.3px;color:#191326;}
.section-head p{margin:0;color:#5a5270;font-size:15.5px;line-height:1.85;}

/* grids & cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:20px;padding:26px 24px;
  box-shadow:0 10px 26px rgba(80,20,120,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(80,20,120,.14);border-color:rgba(123,47,247,.28);}
.card::before{content:"";width:38px;height:5px;border-radius:999px;background:linear-gradient(90deg,#ff2d6f,#7b2ff7);margin-bottom:16px;flex:0 0 auto;}
.card h3{margin:0 0 10px;font-size:17px;font-weight:800;color:#191326;line-height:1.4;}
.card p{margin:0;font-size:14px;color:#5a5270;line-height:1.8;}

/* about */
.about-intro{font-size:15.5px;color:#5a5270;line-height:1.9;margin:0 0 30px;max-width:900px;}
.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}

/* studio */
.studio-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start;}
.media-card{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:20px;overflow:hidden;
  box-shadow:0 12px 30px rgba(80,20,120,.08);
  transition:transform .3s ease,box-shadow .3s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:0 24px 48px rgba(80,20,120,.15);}
.media-frame{
  aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#fdf0f6,#efe9ff);
}
.media-frame.square{aspect-ratio:1/1;}
.media-frame img{width:100%;height:100%;object-fit:contain;display:block;}
.media-body{padding:22px 24px;}
.media-body h3{margin:0 0 8px;font-size:17px;font-weight:800;color:#191326;}
.media-body p{margin:0;font-size:14px;color:#5a5270;line-height:1.8;}

/* tag cloud */
.cloud-title{margin:38px 0 14px;font-size:15px;font-weight:800;color:#191326;}
.cloud{display:flex;flex-wrap:wrap;gap:10px;}
.cloud span{
  display:inline-block;padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:#4b2560;background:rgba(255,255,255,.92);border:1px solid rgba(123,47,247,.18);
  box-shadow:0 6px 16px rgba(80,20,120,.06);
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.cloud span:hover{transform:translateY(-3px);color:#b00c50;border-color:rgba(255,45,111,.42);}

/* network */
.network-card{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:28px;align-items:center;
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:22px;padding:32px;
  box-shadow:0 14px 34px rgba(80,20,120,.08);
}
.network-card h3{margin:0 0 10px;font-size:19px;font-weight:800;color:#191326;}
.network-card p{margin:0;font-size:14.5px;color:#5a5270;line-height:1.85;}
.region-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0;}
.region-list li{
  padding:9px 16px;border-radius:12px;font-size:13.5px;font-weight:700;color:#3d2a52;
  background:linear-gradient(120deg,#fdf1f7,#f2ecff);border:1px solid rgba(123,47,247,.14);
  transition:transform .25s ease;
}
.region-list li:hover{transform:translateY(-2px);}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;list-style:none;margin:0;padding:0;}
.timeline li{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:18px;padding:24px 22px;
  box-shadow:0 10px 26px rgba(80,20,120,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.timeline li:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(80,20,120,.13);}
.step{
  display:inline-block;margin-bottom:14px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:900;letter-spacing:1px;color:#fff;
  background:linear-gradient(135deg,#ff2d6f,#7b2ff7);
}
.timeline h3{margin:0 0 8px;font-size:16.5px;font-weight:800;color:#191326;}
.timeline p{margin:0;font-size:14px;color:#5a5270;line-height:1.8;}

/* cases */
.case-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;align-items:start;}
.case-visual{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:20px;overflow:hidden;
  box-shadow:0 12px 30px rgba(80,20,120,.08);padding:14px;
}
.case-list{display:flex;flex-direction:column;gap:16px;}
.case-item{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:18px;padding:22px 24px;
  box-shadow:0 10px 26px rgba(80,20,120,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.case-item:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(80,20,120,.13);border-color:rgba(255,45,111,.28);}
.case-item h3{margin:0 0 8px;font-size:16.5px;font-weight:800;color:#191326;}
.case-item p{margin:0;font-size:14px;color:#5a5270;line-height:1.8;}

/* compare */
.compare-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start;}
.score-card{
  position:relative;overflow:hidden;
  border-radius:22px;padding:30px 26px;color:#fff;
  background:linear-gradient(150deg,#2b0f3f 0%,#5b1a86 52%,#b00c50 100%);
  box-shadow:0 22px 48px rgba(91,26,134,.32);
}
.score-card::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%);
}
.score-label{margin:0 0 12px;font-size:13.5px;font-weight:700;letter-spacing:1px;color:rgba(255,255,255,.82);}
.score-stars{font-size:22px;letter-spacing:4px;color:#ffcf4d;line-height:1;}
.score-num{margin:16px 0 10px;font-size:50px;font-weight:900;line-height:1;letter-spacing:-1px;}
.score-num span{font-size:18px;font-weight:700;color:rgba(255,255,255,.75);margin-left:4px;}
.score-desc{margin:0;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.88);}
.table-scroll{overflow-x:auto;border-radius:18px;border:1px solid rgba(25,19,38,.08);background:#fff;box-shadow:0 12px 30px rgba(80,20,120,.07);}
.compare-table{width:100%;min-width:660px;border-collapse:collapse;font-size:14px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(25,19,38,.08);line-height:1.7;}
.compare-table thead th{
  background:linear-gradient(120deg,#fff0f6,#f2ecff);
  color:#2a1a3d;font-weight:800;font-size:13.5px;white-space:nowrap;
}
.compare-table tbody th{font-weight:700;color:#3d2a52;white-space:nowrap;}
.compare-table td{color:#5a5270;}
.compare-table td.own{background:rgba(255,45,111,.07);color:#b00c50;font-weight:700;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0;}

/* token */
.token-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.token-card{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:18px;padding:24px;
  box-shadow:0 10px 26px rgba(80,20,120,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.token-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(80,20,120,.13);}
.token-card h3{margin:0 0 8px;font-size:16px;font-weight:800;color:#191326;display:flex;align-items:center;gap:9px;}
.token-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#ff2d6f,#7b2ff7);flex:0 0 auto;}
.token-card p{margin:0;font-size:14px;color:#5a5270;line-height:1.8;}
.token-note{
  margin-top:22px;padding:16px 22px;border-radius:14px;font-size:14px;color:#5a5270;line-height:1.8;
  background:linear-gradient(120deg,rgba(255,45,111,.07),rgba(123,47,247,.07));
  border:1px dashed rgba(123,47,247,.28);
}
.token-note a{color:#b00c50;font-weight:700;text-decoration:none;}
.token-note a:hover{text-decoration:underline;}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.review{
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  margin:0;padding:26px 24px;border-radius:20px;
  background:#fff;border:1px solid rgba(25,19,38,.08);
  box-shadow:0 10px 26px rgba(80,20,120,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.review:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(80,20,120,.14);}
.review blockquote{margin:0;font-size:14.5px;color:#3d2a52;line-height:1.85;}
.review figcaption{display:flex;flex-direction:column;gap:4px;border-top:1px solid rgba(25,19,38,.08);padding-top:14px;}
.review-role{font-size:11.5px;font-weight:800;letter-spacing:.6px;color:#b00c50;}
.review-name{font-size:14px;font-weight:800;color:#191326;}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:26px;align-items:start;}
.form-card{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:22px;padding:30px 28px;
  box-shadow:0 16px 40px rgba(80,20,120,.10);
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:#2a1a3d;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;font-family:inherit;font-size:14px;color:#191326;
  background:#fdfbfd;border:1.5px solid rgba(25,19,38,.12);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#a49bb3;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:rgba(123,47,247,.55);box-shadow:0 0 0 4px rgba(123,47,247,.12);
}
.field textarea{resize:vertical;min-height:110px;}
.form-tip{grid-column:1 / -1;margin:0;font-size:12.5px;color:#7a7089;}
.form-card .btn{grid-column:1 / -1;}

.contact-side{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:22px;padding:28px 26px;
  box-shadow:0 16px 40px rgba(80,20,120,.10);
}
.contact-side h3{margin:0 0 16px;font-size:16.5px;font-weight:800;color:#191326;}
.contact-list{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:12px;}
.contact-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:14px;border-bottom:1px dashed rgba(25,19,38,.10);padding-bottom:10px;}
.contact-list li span{color:#7a7089;font-size:13px;flex:0 0 auto;}
.contact-list li strong,.contact-list li a{color:#191326;font-weight:700;text-decoration:none;word-break:break-all;text-align:right;}
.contact-list li a:hover{color:#b00c50;}
.qr-box{text-align:center;padding:16px;border-radius:16px;background:linear-gradient(140deg,#fdf1f7,#f1ecff);border:1px solid rgba(123,47,247,.14);}
.qr-box img{width:100%;max-width:150px;height:auto;display:block;margin:0 auto 10px;border-radius:10px;background:#fff;}
.qr-box p{margin:0;font-size:13px;font-weight:700;color:#4b2560;}

/* faq */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:16px;overflow:hidden;
  box-shadow:0 8px 20px rgba(80,20,120,.05);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(123,47,247,.28);}
.faq-item[open]{box-shadow:0 16px 34px rgba(80,20,120,.10);border-color:rgba(255,45,111,.28);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:15px;font-weight:700;color:#221834;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:400;color:#b00c50;
  transition:transform .3s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 18px;font-size:14px;color:#5a5270;line-height:1.85;}
.faq-body p{margin:0;}

/* news */
.article-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.article-list li{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:14px;padding:16px 22px;
  box-shadow:0 8px 20px rgba(80,20,120,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.article-list li:hover{transform:translateX(4px);border-color:rgba(123,47,247,.28);box-shadow:0 14px 30px rgba(80,20,120,.11);}
.article-list a{text-decoration:none;color:#221834;font-size:14.5px;font-weight:700;line-height:1.6;}
.article-list a:hover{color:#b00c50;}
.article-list span{
  flex:0 0 auto;font-size:12px;font-weight:800;letter-spacing:.5px;color:#0a6b62;
  padding:4px 11px;border-radius:999px;background:rgba(0,184,169,.10);border:1px solid rgba(0,184,169,.22);
}

/* join */
.join-card{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;align-items:center;
  border-radius:26px;padding:42px 40px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(130deg,#2b0f3f 0%,#5b1a86 48%,#b00c50 100%);
  box-shadow:0 26px 60px rgba(91,26,134,.32);
}
.join-card::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),transparent 66%);pointer-events:none;
}
.join-card .tag{color:#ffd8e6;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.32);}
.join-card h2{margin:0 0 12px;font-size:clamp(22px,2.6vw,30px);font-weight:900;line-height:1.35;color:#fff;}
.join-card p{margin:0 0 24px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.88);}
.join-card .btn-primary{background:#fff;color:#7b1a8f;box-shadow:0 14px 30px rgba(0,0,0,.22);position:relative;z-index:1;}
.join-card .btn-primary:hover{box-shadow:0 20px 38px rgba(0,0,0,.3);}
.join-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.join-list li{
  padding:13px 18px;border-radius:13px;font-size:14px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  transition:background .25s ease,transform .25s ease;
}
.join-list li:hover{background:rgba(255,255,255,.2);transform:translateX(4px);}

/* footer */
.site-footer{
  margin-top:0;
  background:linear-gradient(180deg,#fdf3f8,#f7eef8);
  border-top:1px solid rgba(25,19,38,.09);
  padding:42px 0 18px;color:#221834;
}
.footer-top{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr) minmax(0,1.3fr);gap:32px;align-items:start;}
.footer-brand p{margin:14px 0 0;font-size:13.5px;color:#5a5270;line-height:1.8;max-width:320px;}
.footer-brand .ai-page-logo{max-height:30px;}
.footer-col h3{margin:0 0 14px;font-size:14px;font-weight:800;color:#191326;letter-spacing:.5px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 16px;}
.footer-col li{font-size:13.5px;line-height:1.6;}
.footer-col a{color:#4b2560;text-decoration:none;transition:color .25s ease;}
.footer-col a:hover{color:#b00c50;}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-bottom{
  margin-top:30px;padding-top:16px;border-top:1px solid rgba(25,19,38,.10);
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:#6b6178;line-height:1.7;}
.footer-bottom a{color:#8a1a5a;text-decoration:none;font-weight:600;}
.footer-bottom a:hover{text-decoration:underline;}

/* float */
.float-actions{position:fixed;right:18px;bottom:24px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{
  width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:inherit;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,#ff2d6f,#7b2ff7);
  box-shadow:0 10px 24px rgba(123,47,247,.36);
  transition:transform .25s ease,box-shadow .25s ease,opacity .3s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(123,47,247,.46);}
.float-btn.cs{font-size:12.5px;letter-spacing:.5px;}
#toTop{opacity:0;pointer-events:none;}
#toTop.show{opacity:1;pointer-events:auto;}
.cs-panel{
  position:absolute;right:60px;bottom:0;width:200px;padding:14px;border-radius:16px;
  background:#fff;border:1px solid rgba(25,19,38,.08);
  box-shadow:0 20px 44px rgba(25,19,38,.20);
  display:none;text-align:center;
}
.cs-panel.show{display:block;}
.cs-panel p{margin:0 0 10px;font-size:13px;font-weight:800;color:#221834;}
.cs-panel img{width:100%;height:auto;display:block;border-radius:10px;background:#fdf1f7;}
.cs-panel .cs-note{margin:10px 0 0;font-size:12px;color:#5a5270;font-weight:600;}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease;}
.reveal.in{opacity:1;transform:none;}
.grid-3 > .reveal:nth-child(3n+2),.review-grid > .reveal:nth-child(3n+2),.about-grid > .reveal:nth-child(3n+2),.token-grid > .reveal:nth-child(3n+2){transition-delay:.08s;}
.grid-3 > .reveal:nth-child(3n+3),.review-grid > .reveal:nth-child(3n+3),.about-grid > .reveal:nth-child(3n+3),.token-grid > .reveal:nth-child(3n+3){transition-delay:.16s;}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .panel-card{animation:none;}
  html{scroll-behavior:auto;}
}

/* responsive */
@media (max-width:1080px){
  .nav-links{
    display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid rgba(25,19,38,.08);border-radius:0 0 18px 18px;
    box-shadow:0 24px 48px rgba(25,19,38,.14);
    padding:10px 14px 16px;max-height:72vh;overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:11px 12px;border-radius:12px;font-size:15px;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero{padding:42px 0 8px;}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .about-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .token-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-wrap{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .network-card{grid-template-columns:1fr;gap:20px;padding:26px;}
  .faq-list{grid-template-columns:1fr;}
  .join-card{grid-template-columns:1fr;gap:26px;padding:34px 28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:720px){
  .section{padding:48px 0;}
  .grid-3,.grid-2,.studio-grid,.about-grid,.review-grid,.token-grid,.timeline{grid-template-columns:1fr;}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .metric{padding:18px 16px;}
  .metric strong{font-size:26px;}
  .form-card{grid-template-columns:1fr;padding:24px 20px;}
  .hero-actions .btn{flex:1 1 auto;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .nav-side .btn-sm{padding:8px 14px;font-size:13px;}
  .float-actions{right:12px;bottom:16px;}
  .cs-panel{right:56px;width:180px;}
}

.reveal{opacity:1;transform:none;}