:root{
  --ink:#111629;
  --ink-2:#414a66;
  --ink-3:#6b748c;
  --line:rgba(17,22,41,.09);
  --violet:#7c3aed;
  --magenta:#db2777;
  --cyan:#0e7490;
  --shadow-s:0 8px 24px -18px rgba(38,20,90,.55);
  --shadow-m:0 18px 40px -26px rgba(38,20,90,.6);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
  background-color:#fbfaff;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(820px 520px at 8% -6%,rgba(124,58,237,.16),transparent 62%),
    radial-gradient(720px 480px at 96% 4%,rgba(8,145,178,.15),transparent 62%),
    radial-gradient(760px 620px at 50% 46%,rgba(219,39,119,.08),transparent 66%),
    radial-gradient(680px 520px at 88% 92%,rgba(124,58,237,.10),transparent 64%),
    linear-gradient(180deg,#fdfbff 0%,#f7f5ff 45%,#f2f8ff 100%);
}
h1,h2,h3,h4{color:var(--ink);line-height:1.32;margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;}
a{color:inherit;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.ai-page-logo{display:block;max-height:36px;width:auto;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.5px;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none;}
.nav-links a{
  display:inline-block;padding:8px 11px;font-size:14px;font-weight:500;
  color:var(--ink-2);text-decoration:none;border-radius:8px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--violet);background:rgba(124,58,237,.08);}
.nav-cta{padding:10px 18px;font-size:14px;flex:0 0 auto;}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(124,58,237,.25);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#4c1d95;transition:transform .2s ease,opacity .2s ease;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;
  padding:13px 26px;border-radius:999px;text-decoration:none;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{color:#fff;background:linear-gradient(115deg,#7c3aed 0%,#c026d3 52%,#0e7490 100%);box-shadow:0 14px 30px -16px rgba(124,58,237,.95);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -14px rgba(124,58,237,.85);}
.btn-ghost{color:var(--ink);background:#fff;border-color:rgba(124,58,237,.3);box-shadow:var(--shadow-s);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.55);box-shadow:0 16px 30px -20px rgba(38,20,90,.7);}
.btn-text{color:var(--violet);background:transparent;padding:13px 6px;}
.btn-text:hover{color:#5b21b6;}

/* hero */
.hero{position:relative;padding:66px 0 76px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-160px;top:-200px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,58,237,.22),rgba(219,39,119,.12) 45%,transparent 70%);
  pointer-events:none;animation:floatSlow 15s ease-in-out infinite;
}
.hero::after{
  content:"";position:absolute;left:-150px;bottom:-220px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,116,144,.2),transparent 68%);
  pointer-events:none;animation:floatSlow 19s ease-in-out infinite reverse;
}
@keyframes floatSlow{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(-18px,22px,0);}}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:#5b21b6;
  background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.22);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#0e7490);}
.hero h1{font-size:clamp(30px,4.4vw,48px);font-weight:800;letter-spacing:-.6px;margin-top:18px;}
.hero-lead{margin-top:18px;font-size:clamp(15px,1.35vw,17px);color:var(--ink-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px;}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--ink-3);}
.hero-copy > *{opacity:0;transform:translateY(16px);animation:riseIn .8s cubic-bezier(.22,.65,.35,1) forwards;}
.hero-copy > *:nth-child(1){animation-delay:.05s;}
.hero-copy > *:nth-child(2){animation-delay:.13s;}
.hero-copy > *:nth-child(3){animation-delay:.21s;}
.hero-copy > *:nth-child(4){animation-delay:.29s;}
.hero-copy > *:nth-child(5){animation-delay:.37s;}
@keyframes riseIn{to{opacity:1;transform:none;}}
.hero-panel{
  position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
  animation:riseIn .9s .35s both;
}
.stat-card{
  position:relative;padding:20px 16px 18px;border-radius:16px;overflow:hidden;
  background:rgba(255,255,255,.92);border:1px solid rgba(124,58,237,.16);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#7c3aed,#db2777,#0e7490);}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.36);box-shadow:var(--shadow-m);}
.stat-num{display:block;font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.5px;}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--ink-3);line-height:1.55;}

/* section */
.section{padding:70px 0;position:relative;}
.section-head{max-width:730px;margin:0 auto 38px;text-align:center;}
.section-head h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;letter-spacing:-.3px;margin-top:14px;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s cubic-bezier(.22,.65,.35,1);}
.reveal.in{opacity:1;transform:none;}

/* about */
.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.about-card{
  padding:24px 22px;border-radius:20px;
  background:linear-gradient(180deg,#ffffff,#faf8ff);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.about-card::before{content:"";display:block;width:34px;height:4px;border-radius:3px;background:linear-gradient(90deg,#7c3aed,#0e7490);margin-bottom:16px;}
.about-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.3);box-shadow:var(--shadow-m);}
.about-card h3{font-size:16.5px;}
.about-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);}

/* services */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:18px;}
.service-card{
  display:flex;flex-direction:column;padding:22px;border-radius:16px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.service-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.service-card .dot{
  position:relative;width:30px;height:30px;border-radius:10px;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(124,58,237,.16),rgba(14,116,144,.16));
  border:1px solid rgba(124,58,237,.22);
}
.service-card .dot::after{content:"";position:absolute;inset:8px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#0e7490);}
.service-card h3{font-size:16px;}
.service-card p{margin-top:9px;font-size:14px;color:var(--ink-2);flex:1;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;justify-content:center;}
.chip{
  padding:7px 14px;border-radius:999px;font-size:13px;color:#3f2b6b;
  background:#fff;border:1px solid rgba(124,58,237,.22);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.chip:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.55);box-shadow:var(--shadow-s);}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.flow-step{
  position:relative;padding:24px 20px;border-radius:16px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.flow-step .step-idx{font-size:12px;font-weight:800;letter-spacing:1.5px;color:#7c3aed;}
.flow-step h3{margin-top:10px;font-size:16.5px;}
.flow-step p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* solutions */
.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.solution-card{
  padding:24px 22px;border-radius:18px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-s);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.solution-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.solution-card h3{font-size:16.5px;}
.solution-card p{margin-top:9px;font-size:14px;color:var(--ink-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag-row li{font-size:12px;padding:4px 10px;border-radius:999px;color:#5b21b6;background:rgba(124,58,237,.08);border:1px solid rgba(124,58,237,.16);}

/* network */
.network{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.network-item{
  padding:22px 16px;text-align:center;border-radius:14px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.network-item:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.network-item h3{font-size:15px;}
.network-item p{margin-top:8px;font-size:13px;color:var(--ink-3);}

/* timeline */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:12px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(124,58,237,.55),rgba(14,116,144,.45));}
.timeline-item{position:relative;margin-bottom:24px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-28px;top:5px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid #7c3aed;box-shadow:0 0 0 4px rgba(124,58,237,.1);
}
.timeline-item h3{font-size:16.5px;}
.timeline-item p{margin-top:6px;font-size:14.5px;color:var(--ink-2);}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.case-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:18px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.case-media{
  aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;padding:8px;
  background:linear-gradient(135deg,#f3edff,#e8f6fb);
}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16.5px;}
.case-body p{margin-top:8px;font-size:14px;color:var(--ink-2);}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px;}
.gallery figure{margin:0;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-s);}
.gallery img{display:block;width:100%;height:auto;}

/* compare */
.score-card{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.6fr);gap:28px;align-items:center;
  padding:28px;border-radius:20px;margin-bottom:24px;
  background:linear-gradient(120deg,#ffffff,#f8f4ff 58%,#eef8fc);
  border:1px solid rgba(124,58,237,.2);box-shadow:var(--shadow-m);
}
.score-badge{
  display:inline-block;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:#5b21b6;background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.24);
}
.score-num{font-size:52px;font-weight:800;color:var(--ink);line-height:1.1;margin-top:12px;letter-spacing:-1.5px;}
.score-num span{font-size:17px;color:var(--ink-3);font-weight:600;letter-spacing:0;}
.stars{color:#f59e0b;font-size:19px;letter-spacing:3px;margin-top:8px;}
.score-card p{font-size:14.8px;color:var(--ink-2);}
.table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-s);-webkit-overflow-scrolling:touch;}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
.compare-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table thead th{background:linear-gradient(180deg,#faf7ff,#f3efff);color:var(--ink);font-weight:700;white-space:nowrap;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover{background:rgba(124,58,237,.05);}
.compare-table .col-us{color:#241a45;font-weight:700;background:rgba(124,58,237,.06);}

/* token */
.token-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.token-card{
  display:flex;flex-direction:column;padding:26px 22px;border-radius:18px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.token-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.token-card.is-featured{background:linear-gradient(160deg,#faf6ff,#eef8fc);border-color:rgba(124,58,237,.3);}
.token-card h3{font-size:17px;}
.token-line{margin-top:10px;font-size:14px;color:var(--ink-2);}
.token-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.token-card li{position:relative;padding-left:18px;font-size:13.6px;color:var(--ink-2);}
.token-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#0e7490);}
.token-card .btn{margin-top:20px;align-self:flex-start;}
.token-note{margin-top:20px;text-align:center;font-size:13.4px;color:var(--ink-3);}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.review-card{
  display:flex;flex-direction:column;padding:24px 22px;border-radius:18px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.3);box-shadow:var(--shadow-m);}
.review-quote{font-size:14.6px;color:var(--ink-2);flex:1;}
.review-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,#7c3aed,#0e7490);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.review-meta strong{display:block;font-size:14px;color:var(--ink);}
.review-meta span{display:block;font-size:12.5px;color:var(--ink-3);}

/* form */
.form-card{
  max-width:900px;margin:0 auto;padding:28px;border-radius:20px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-m);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600;color:var(--ink-2);}
.field.full{grid-column:1 / -1;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-family:inherit;font-size:14.5px;font-weight:400;color:var(--ink);
  background:#fbfaff;border:1px solid rgba(17,22,41,.14);border-radius:11px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#9aa2b6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#7c3aed;background:#fff;box-shadow:0 0 0 3px rgba(124,58,237,.14);
}
.field textarea{resize:vertical;min-height:112px;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;}
.form-note{font-size:13px;color:var(--ink-3);}

/* help */
.help-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.help-card{padding:24px 22px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.help-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.3);box-shadow:var(--shadow-m);}
.help-card h3{font-size:16.5px;}
.help-card p{margin-top:9px;font-size:14px;color:var(--ink-2);}

/* faq */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:rgba(124,58,237,.36);box-shadow:var(--shadow-m);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:#7c3aed;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2);}

/* wiki */
.wiki-block{max-width:960px;margin:0 auto;padding:28px 26px;border-radius:20px;background:linear-gradient(150deg,#ffffff,#f9f6ff 70%,#eef8fc);border:1px solid rgba(124,58,237,.18);box-shadow:var(--shadow-s);}
.wiki-block p{font-size:14.8px;color:var(--ink-2);text-align:center;}

/* news */
.news-list{display:flex;flex-direction:column;gap:12px;max-width:820px;margin:0 auto;}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border-radius:14px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-s);text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.32);box-shadow:var(--shadow-m);}
.news-item span{font-size:15px;font-weight:600;color:var(--ink);}
.news-item em{font-style:normal;color:#7c3aed;font-size:13.5px;white-space:nowrap;}

/* join */
.join-card{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:30px;align-items:center;
  padding:32px;border-radius:22px;
  background:linear-gradient(125deg,#ffffff,#f7f2ff 55%,#ecf8fb);
  border:1px solid rgba(124,58,237,.22);box-shadow:var(--shadow-m);
}
.join-card h2{font-size:clamp(21px,2.4vw,27px);margin-top:14px;}
.join-card p{margin-top:12px;font-size:14.6px;color:var(--ink-2);}
.join-points{display:flex;flex-direction:column;gap:12px;}
.join-points div{padding:14px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);}
.join-points strong{display:block;font-size:14.5px;color:var(--ink);}
.join-points span{display:block;margin-top:4px;font-size:13.4px;color:var(--ink-3);}
.join-card .btn{margin-top:20px;grid-column:1 / -1;justify-self:start;}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:22px;align-items:start;}
.contact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.contact-item{padding:14px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);}
.contact-item dt{font-size:12.5px;color:var(--ink-3);}
.contact-item dd{margin:4px 0 0;font-size:14.5px;font-weight:700;color:var(--ink);word-break:break-all;}
.contact-item dd a{text-decoration:none;color:#5b21b6;}
.contact-item dd a:hover{text-decoration:underline;}
.qr-card{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);text-align:center;}
.qr-card img{display:inline-block;width:180px;height:auto;max-width:100%;border-radius:12px;}
.qr-card p{margin-top:12px;font-size:13.5px;color:var(--ink-3);}

/* footer */
.site-footer{
  margin-top:0;padding:34px 0 24px;
  background:linear-gradient(180deg,#f7f4ff,#eef6fc);
  border-top:1px solid var(--line);
  color:#333a52;
}
.footer-inner{display:flex;flex-direction:column;gap:18px;}
.footer-brand{font-size:16px;font-weight:800;color:#111629;}
.footer-desc{margin-top:8px;font-size:13.5px;color:#414a66;line-height:1.75;}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13.5px;color:#414a66;}
.footer-links strong{font-weight:700;color:#111629;}
.footer-links a{color:#5b21b6;text-decoration:none;}
.footer-links a:hover{text-decoration:underline;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:16px;border-top:1px solid rgba(17,22,41,.09);font-size:13px;color:#4b5470;}
.footer-bottom a{color:#5b21b6;text-decoration:none;}
.footer-bottom a:hover{text-decoration:underline;}

/* float dock */
.float-dock{position:fixed;right:18px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:10px;}
.dock-btn{
  width:54px;height:54px;border-radius:50%;border:1px solid rgba(124,58,237,.26);
  background:rgba(255,255,255,.96);color:#4c1d95;font-family:inherit;
  font-size:13px;font-weight:700;cursor:pointer;padding:0;
  box-shadow:0 12px 26px -14px rgba(38,20,90,.75);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:transform .2s ease,box-shadow .2s ease,opacity .25s ease;
}
.dock-btn:hover{transform:translateY(-3px);box-shadow:0 18px 30px -14px rgba(38,20,90,.7);}
.dock-top{opacity:0;pointer-events:none;}
.dock-top.show{opacity:1;pointer-events:auto;}
.service-panel{
  position:fixed;right:18px;bottom:142px;z-index:95;width:236px;padding:18px;border-radius:16px;
  background:#fff;border:1px solid rgba(124,58,237,.22);
  box-shadow:0 24px 50px -24px rgba(30,15,70,.55);display:none;
}
.service-panel.show{display:block;animation:popIn .22s ease;}
@keyframes popIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.service-panel h3{font-size:15px;}
.service-panel img{display:block;width:100%;height:auto;margin-top:12px;border-radius:10px;}
.service-panel p{margin-top:10px;font-size:13px;color:var(--ink-2);}

@media (max-width:1060px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;left:0;right:0;top:100%;z-index:85;
    display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;padding:10px 20px 18px;border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -28px rgba(30,20,70,.5);
  }
  .nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-links a{display:block;padding:12px 6px;border-bottom:1px solid rgba(17,22,41,.06);border-radius:0;font-size:15px;}
  .nav-cta{margin-top:14px;align-self:flex-start;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .hero-panel{grid-template-columns:repeat(2,minmax(0,1fr));}
  .about-grid,.solution-grid,.case-grid,.token-grid,.review-grid,.help-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .network{grid-template-columns:repeat(3,minmax(0,1fr));}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));}
  .score-card{grid-template-columns:minmax(0,1fr);gap:18px;}
  .join-card{grid-template-columns:minmax(0,1fr);}
  .contact-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:680px){
  .section{padding:52px 0;}
  .hero{padding:48px 0 56px;}
  .container{padding:0 16px;}
  .about-grid,.solution-grid,.case-grid,.token-grid,.review-grid,.help-grid,.flow,.gallery,.contact-list{grid-template-columns:minmax(0,1fr);}
  .network{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .form-card{padding:20px;}
  .score-card{padding:22px;}
  .score-num{font-size:44px;}
  .join-card{padding:24px 20px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .btn-text{width:auto;}
  .service-panel{right:12px;left:12px;width:auto;bottom:140px;}
  .float-dock{right:12px;bottom:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}