:root{
  --ink:#111827;
  --ink-2:#334155;
  --muted:#5b6478;
  --line:rgba(17,24,39,.09);
  --brand:#6d28d9;
  --brand-2:#2563eb;
  --cyan:#0891b2;
  --amber:#f59e0b;
  --radius:18px;
  --shadow-sm:0 1px 2px rgba(17,24,39,.05), 0 10px 24px -14px rgba(76,29,149,.30);
  --shadow-md:0 22px 44px -24px rgba(76,29,149,.45);
}
*{box-sizing:border-box;}
html{background:#fbfaff;scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  line-height:1.72;
  background:transparent;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(900px 480px at 6% -8%, rgba(167,139,250,.30), transparent 62%),
    radial-gradient(820px 440px at 98% -4%, rgba(125,211,252,.32), transparent 62%),
    radial-gradient(760px 420px at 88% 104%, rgba(253,186,116,.20), transparent 64%),
    radial-gradient(700px 400px at 4% 102%, rgba(134,239,172,.18), transparent 66%);
}
img{display:block;}
a{color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(109,40,217,.10);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:none;
}
.brand-logo{
  display:block;
  width:68px;
  flex:none;
}
.brand-logo img{border-radius:8px;}
.brand-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  color:#2b1b52;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links a{
  display:block;
  padding:9px 10px;
  font-size:14px;
  font-weight:500;
  color:#3d3a52;
  text-decoration:none;
  border-radius:9px;
  white-space:nowrap;
  transition:color .22s ease, background .22s ease;
}
.nav-links a:hover{color:#5b21b6;background:rgba(109,40,217,.08);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  font-family:inherit;
  transition:transform .24s ease, box-shadow .24s ease, background .24s ease, color .24s ease;
}
.btn-primary{
  background:linear-gradient(118deg,#7c3aed 0%,#2563eb 58%,#0891b2 100%);
  color:#fff;
  box-shadow:0 14px 26px -14px rgba(37,99,235,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(37,99,235,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:#4c1d95;
  border-color:rgba(109,40,217,.26);
  box-shadow:0 8px 18px -14px rgba(76,29,149,.5);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(109,40,217,.5);background:#faf7ff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:40px;
  height:38px;
  padding:0 9px;
  border:1px solid rgba(109,40,217,.22);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;border-radius:2px;background:#4c1d95;}

/* ---------- section base ---------- */
.section{padding:64px 0;scroll-margin-top:88px;}
.section-tight{padding:52px 0;scroll-margin-top:88px;}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:#5b21b6;
  background:rgba(109,40,217,.10);
  border:1px solid rgba(109,40,217,.18);
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,3vw,32px);font-weight:800;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- hero ---------- */
.hero{padding:56px 0 40px;scroll-margin-top:88px;}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:44px;
  align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:900;
  letter-spacing:-.02em;
  color:#1b1140;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#7c3aed,#2563eb 55%,#0891b2);
  -webkit-background-clip:text;
  background-clip:text;
  color:#4c1d95;
}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .hero h1 em{-webkit-text-fill-color:transparent;}
}
.hero-lead{
  font-size:16.5px;
  color:#413d5c;
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.hero-tags span{
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:#3f2d78;
  background:rgba(255,255,255,.85);
  border:1px solid rgba(109,40,217,.18);
  box-shadow:0 6px 16px -14px rgba(76,29,149,.7);
}
.hero-visual{
  position:relative;
  padding:34px 10px 30px;
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-panel{
  width:100%;
  max-width:380px;
  padding:18px;
  border-radius:22px;
  background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(245,242,255,.92));
  border:1px solid rgba(109,40,217,.16);
  box-shadow:0 28px 60px -34px rgba(76,29,149,.75);
  position:relative;
  z-index:2;
  animation:floatSoft 7s ease-in-out infinite;
}
.hero-panel-head{
  display:flex;
  align-items:center;
  gap:6px;
  padding-bottom:14px;
  border-bottom:1px dashed rgba(109,40,217,.20);
  margin-bottom:14px;
}
.hero-panel-head .dot{width:9px;height:9px;border-radius:50%;background:#c4b5fd;}
.hero-panel-head .dot:nth-child(2){background:#93c5fd;}
.hero-panel-head .dot:nth-child(3){background:#fcd34d;}
.hero-panel-head em{
  font-style:normal;
  margin-left:8px;
  font-size:13px;
  font-weight:700;
  color:#4c1d95;
  letter-spacing:.04em;
}
.hero-steps{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.hero-step{
  padding:12px 14px;
  border-radius:14px;
  background:#fff;
  border:1px solid rgba(17,24,39,.07);
  box-shadow:0 10px 22px -20px rgba(17,24,39,.7);
}
.hero-step b{display:block;font-size:14.5px;color:#241a4d;}
.hero-step span{font-size:12.5px;color:var(--muted);}
.float-chip{
  position:absolute;
  z-index:3;
  padding:7px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  color:#fff;
  white-space:nowrap;
  box-shadow:0 14px 26px -18px rgba(17,24,39,.9);
}
.chip-a{top:8px;left:0;background:linear-gradient(120deg,#7c3aed,#a855f7);animation:floatSoft 6s ease-in-out infinite;}
.chip-b{bottom:18px;right:0;background:linear-gradient(120deg,#2563eb,#0891b2);animation:floatSoft 8s ease-in-out infinite .8s;}
.chip-c{top:44%;right:-6px;background:linear-gradient(120deg,#f59e0b,#ef4444);animation:floatSoft 7s ease-in-out infinite .4s;}
@keyframes floatSoft{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-9px);}
}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:44px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.stat{padding:22px 16px;text-align:center;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat strong{
  display:block;
  font-size:clamp(21px,2.6vw,28px);
  font-weight:900;
  color:#4c1d95;
  letter-spacing:-.02em;
}
.stat span{font-size:13px;color:var(--muted);}

/* ---------- about ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}
.about-copy p + p{margin-top:14px;}
.about-copy p{color:#3f3b55;font-size:15.5px;}
.about-media{
  margin:0;
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(109,40,217,.16);
  box-shadow:0 26px 50px -30px rgba(76,29,149,.6);
  background:#f6f4ff;
}
.about-media img{width:100%;height:auto;}
.ability-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:12px;
  margin-top:34px;
}
.ability-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:13px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  font-size:14px;
  font-weight:600;
  color:#312a52;
  box-shadow:0 10px 22px -22px rgba(17,24,39,.9);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.ability-item:hover{transform:translateY(-3px);border-color:rgba(109,40,217,.28);box-shadow:0 16px 30px -22px rgba(76,29,149,.7);}
.ability-item i{
  flex:none;
  width:22px;height:22px;
  border-radius:8px;
  background:linear-gradient(130deg,#7c3aed,#0891b2);
  display:inline-flex;align-items:center;justify-content:center;
}
.ability-item i::after{
  content:"";
  width:8px;height:4px;
  border-left:2px solid #fff;
  border-bottom:2px solid #fff;
  transform:rotate(-45deg) translate(1px,-1px);
}

/* ---------- card grid ---------- */
.card{
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(109,40,217,.26);}
.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));}
.icon-box{
  width:40px;height:40px;
  border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(124,58,237,.14),rgba(8,145,178,.16));
  border:1px solid rgba(109,40,217,.16);
  margin-bottom:14px;
}
.icon-box svg{width:20px;height:20px;stroke:#5b21b6;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.card h3{font-size:16.5px;font-weight:800;color:#241a4d;}
.card p{margin-top:8px;font-size:14.2px;color:var(--muted);}
.service-card h3{display:flex;align-items:center;gap:8px;}

/* ---------- tag cloud ---------- */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;}
.tagcloud span{
  padding:8px 16px;
  border-radius:999px;
  font-size:13.5px;
  font-weight:600;
  color:#3d2a78;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(109,40,217,.18);
  box-shadow:0 8px 18px -18px rgba(76,29,149,.9);
  transition:transform .22s ease, background .22s ease, color .22s ease, box-shadow .22s ease;
}
.tagcloud span:hover{
  transform:translateY(-3px);
  color:#fff;
  background:linear-gradient(118deg,#7c3aed,#2563eb);
  box-shadow:0 14px 26px -16px rgba(37,99,235,.9);
}
.studio-note{
  margin-top:26px;
  padding:18px 22px;
  border-radius:16px;
  background:linear-gradient(120deg,rgba(124,58,237,.09),rgba(8,145,178,.09));
  border:1px solid rgba(109,40,217,.16);
  color:#3b3358;
  font-size:14.5px;
}

/* ---------- network / timeline ---------- */
.network-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:26px;align-items:start;}
.network-card{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm);}
.network-card h3{font-size:18px;font-weight:800;color:#241a4d;margin-bottom:10px;}
.network-card p{font-size:14.5px;color:var(--muted);}
.city-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.city-list span{
  padding:6px 13px;
  border-radius:10px;
  font-size:13px;
  color:#3d2a78;
  background:#f5f2ff;
  border:1px solid rgba(109,40,217,.14);
}

.timeline{display:grid;gap:16px;counter-reset:step;}
.timeline-item{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:16px;
  align-items:start;
  padding:18px 20px;
  border-radius:16px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  box-shadow:0 12px 26px -24px rgba(17,24,39,.9);
  transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.timeline-item:hover{transform:translateX(4px);border-color:rgba(109,40,217,.26);box-shadow:var(--shadow-md);}
.timeline-num{
  width:40px;height:40px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:15px;
  color:#fff;
  background:linear-gradient(135deg,#7c3aed,#2563eb);
  box-shadow:0 10px 20px -14px rgba(76,29,149,.95);
}
.timeline-item h3{font-size:15.5px;font-weight:800;color:#241a4d;}
.timeline-item p{margin-top:5px;font-size:14px;color:var(--muted);}

/* ---------- cases ---------- */
.cases-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.case-card{
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display:flex;
  flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(109,40,217,.26);}
.case-media{
  aspect-ratio:4/3;
  background:linear-gradient(140deg,#f4f1ff,#e8f6fb);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px;
}
.case-media img{width:100%;height:100%;object-fit:contain;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16px;font-weight:800;color:#241a4d;}
.case-body p{margin-top:7px;font-size:14px;color:var(--muted);}

/* ---------- compare ---------- */
.rating-banner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 28px;
  border-radius:20px;
  background:linear-gradient(120deg,rgba(124,58,237,.10),rgba(8,145,178,.12));
  border:1px solid rgba(109,40,217,.20);
  margin-bottom:26px;
}
.rating-banner h3{font-size:18px;font-weight:800;color:#2b1b52;}
.rating-banner p{margin-top:6px;font-size:14px;color:#4a4368;}
.rating-score{display:flex;align-items:baseline;gap:8px;flex:none;}
.rating-score strong{font-size:44px;font-weight:900;letter-spacing:-.03em;color:#5b21b6;line-height:1;}
.rating-score span{font-size:15px;font-weight:600;color:#5b6478;}
.rating-stars{font-size:19px;letter-spacing:3px;color:#f59e0b;margin-top:4px;}
.rating-side{text-align:right;flex:none;}

.table-wrap{
  overflow-x:auto;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-sm);
  -webkit-overflow-scrolling:touch;
}
.compare-table{width:100%;border-collapse:collapse;min-width:760px;}
.compare-table th,
.compare-table td{
  padding:14px 18px;
  text-align:left;
  font-size:14px;
  border-bottom:1px solid rgba(17,24,39,.07);
  vertical-align:top;
}
.compare-table thead th{
  background:linear-gradient(120deg,#f5f1ff,#eef8fd);
  font-size:14px;
  font-weight:800;
  color:#2b1b52;
  white-space:nowrap;
  border-bottom:1px solid rgba(109,40,217,.18);
}
.compare-table thead th:nth-child(2){color:#5b21b6;}
.compare-table tbody th{
  font-weight:700;
  color:#312a52;
  background:#fcfbff;
  white-space:nowrap;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td.highlight{background:rgba(124,58,237,.055);color:#2b1b52;font-weight:600;}
.compare-table tbody tr:hover td{background:rgba(124,58,237,.045);}

/* ---------- token ---------- */
.token-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.token-card{
  position:relative;
  padding:26px 22px;
  border-radius:20px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  display:flex;
  flex-direction:column;
}
.token-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(109,40,217,.3);}
.token-card.featured{background:linear-gradient(160deg,#f7f2ff,#eef8fd);border-color:rgba(109,40,217,.34);}
.token-badge{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#5b21b6;
  background:rgba(109,40,217,.12);
  border:1px solid rgba(109,40,217,.2);
  margin-bottom:12px;
}
.token-card h3{font-size:17px;font-weight:800;color:#241a4d;}
.token-card p{margin-top:8px;font-size:14px;color:var(--muted);}
.token-card ul{margin-top:14px;display:grid;gap:8px;}
.token-card li{
  position:relative;
  padding-left:18px;
  font-size:13.8px;
  color:#3f3b55;
}
.token-card li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:7px;height:7px;
  border-radius:50%;
  background:linear-gradient(120deg,#7c3aed,#0891b2);
}
.token-note{margin-top:20px;font-size:13.5px;color:var(--muted);}

/* ---------- form ---------- */
.form-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:32px;
  align-items:start;
}
.form-side{
  padding:26px;
  border-radius:20px;
  background:linear-gradient(150deg,rgba(124,58,237,.10),rgba(8,145,178,.10));
  border:1px solid rgba(109,40,217,.18);
}
.form-side h3{font-size:18px;font-weight:800;color:#2b1b52;}
.form-side p{margin-top:10px;font-size:14.2px;color:#4a4368;}
.form-side ul{margin-top:18px;display:grid;gap:10px;}
.form-side li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:#3b3358;
}
.form-side li::before{
  content:"";
  position:absolute;
  left:0;top:7px;
  width:9px;height:5px;
  border-left:2px solid #7c3aed;
  border-bottom:2px solid #7c3aed;
  transform:rotate(-45deg);
}
.lead-form{
  padding:26px;
  border-radius:20px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1 / -1;}
.field span{font-size:13.5px;font-weight:700;color:#3b3358;}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:11px 14px;
  font-size:14.5px;
  font-family:inherit;
  color:var(--ink);
  background:#fcfbff;
  border:1px solid rgba(17,24,39,.13);
  border-radius:12px;
  outline:none;
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:rgba(109,40,217,.6);
  background:#fff;
  box-shadow:0 0 0 4px rgba(109,40,217,.12);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px;}
.form-note{font-size:13px;color:var(--muted);flex:1;min-width:200px;}

/* ---------- reviews ---------- */
.review-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px;
  border-radius:18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(109,40,217,.24);}
.review-quote{font-size:14.5px;color:#3f3b55;}
.review-user{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:6px;}
.avatar{
  width:38px;height:38px;
  flex:none;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#7c3aed,#0891b2);
}
.review-user b{display:block;font-size:14px;color:#241a4d;}
.review-user small{font-size:12.5px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border-radius:16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:0 10px 24px -24px rgba(17,24,39,.9);
  transition:border-color .26s ease, box-shadow .26s ease;
  overflow:hidden;
}
.faq-item[open]{border-color:rgba(109,40,217,.32);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:16px 52px 16px 20px;
  position:relative;
  font-size:15px;
  font-weight:700;
  color:#241a4d;
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:9px;height:9px;
  border-right:2px solid #7c3aed;
  border-bottom:2px solid #7c3aed;
  transform:translateY(-70%) rotate(45deg);
  transition:transform .26s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item summary:hover{color:#5b21b6;}
.faq-answer{padding:0 20px 18px;font-size:14.2px;color:var(--muted);}

/* ---------- help / wiki / news ---------- */
.mini-card{
  padding:20px;
  border-radius:16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:0 10px 24px -24px rgba(17,24,39,.9);
  transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(109,40,217,.26);box-shadow:var(--shadow-md);}
.mini-card h3{font-size:15.5px;font-weight:800;color:#241a4d;}
.mini-card p{margin-top:7px;font-size:14px;color:var(--muted);}
.wiki-list{display:grid;gap:14px;}
.wiki-item{
  display:grid;
  grid-template-columns:132px 1fr;
  gap:18px;
  padding:16px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
}
.wiki-item dt{font-size:14.5px;font-weight:800;color:#4c1d95;}
.wiki-item dd{margin:0;font-size:14px;color:var(--muted);}
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  text-decoration:none;
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(109,40,217,.28);box-shadow:var(--shadow-sm);}
.news-item span{font-size:14.5px;font-weight:600;color:#312a52;}
.news-item em{font-style:normal;font-size:12.5px;color:#5b21b6;font-weight:700;white-space:nowrap;}

/* ---------- partner ---------- */
.partner-box{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
  padding:32px;
  border-radius:24px;
  background:linear-gradient(130deg,rgba(124,58,237,.12),rgba(8,145,178,.12) 60%,rgba(245,158,11,.12));
  border:1px solid rgba(109,40,217,.20);
}
.partner-box h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;color:#2b1b52;}
.partner-box p{margin-top:12px;font-size:14.8px;color:#453e64;}
.partner-points{display:grid;gap:10px;margin-top:20px;}
.partner-points li{position:relative;padding-left:20px;font-size:14px;color:#3b3358;}
.partner-points li::before{
  content:"";
  position:absolute;left:0;top:7px;width:9px;height:5px;
  border-left:2px solid #7c3aed;border-bottom:2px solid #7c3aed;
  transform:rotate(-45deg);
}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.contact-list{display:grid;gap:14px;margin-top:6px;}
.contact-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:0 10px 24px -24px rgba(17,24,39,.9);
}
.contact-item b{display:block;font-size:13px;color:#5b6478;font-weight:600;}
.contact-item span,
.contact-item a{font-size:14.8px;font-weight:700;color:#241a4d;text-decoration:none;word-break:break-all;}
.contact-item a:hover{color:#5b21b6;}
.kefu-card{
  padding:24px;
  border-radius:20px;
  background:#fff;
  border:1px solid rgba(109,40,217,.18);
  box-shadow:var(--shadow-sm);
  text-align:center;
}
.kefu-card img{
  width:100%;
  max-width:210px;
  height:auto;
  margin:0 auto 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#faf8ff;
}
.kefu-card p{font-size:14px;color:var(--muted);}
.kefu-card strong{display:block;font-size:15px;color:#241a4d;margin-bottom:6px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  background:linear-gradient(140deg,#1e1b4b 0%,#312e81 55%,#1e3a8a 100%);
  color:#e6e3ff;
  padding:44px 0 24px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:30px;
  padding-bottom:28px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-name{color:#fff;font-size:18px;display:block;margin-bottom:10px;}
.footer-brand p{font-size:14px;color:#c9c4f0;max-width:440px;}
.footer-links h3{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px;}
.footer-links ul{display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-links a{
  font-size:13.5px;
  color:#c9c4f0;
  text-decoration:none;
  transition:color .22s ease;
}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:18px;
  font-size:13px;
  color:#b6b1e0;
}
.footer-bottom a{color:#d8d4ff;text-decoration:none;}
.footer-bottom a:hover{text-decoration:underline;}

/* ---------- floating tools ---------- */
.float-tools{
  position:fixed;
  right:18px;
  bottom:24px;
  z-index:300;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.float-btn{
  width:52px;
  height:52px;
  border-radius:50%;
  border:1px solid rgba(109,40,217,.24);
  background:#fff;
  color:#4c1d95;
  font-size:13px;
  font-weight:800;
  font-family:inherit;
  cursor:pointer;
  box-shadow:0 16px 30px -18px rgba(76,29,149,.85);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .24s ease, box-shadow .24s ease, opacity .24s ease, background .24s ease;
}
.float-btn:hover{transform:translateY(-3px);background:#faf7ff;}
#backTop{opacity:0;visibility:hidden;pointer-events:none;font-size:18px;}
#backTop.show{opacity:1;visibility:visible;pointer-events:auto;}
.float-kf{position:relative;}
.kf-panel{
  position:absolute;
  right:0;
  bottom:62px;
  width:188px;
  padding:14px;
  border-radius:16px;
  background:#fff;
  border:1px solid rgba(109,40,217,.2);
  box-shadow:0 26px 50px -26px rgba(17,24,39,.8);
  text-align:center;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .24s ease, transform .24s ease, visibility .24s ease;
}
.kf-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.kf-panel img{width:100%;height:auto;border-radius:10px;margin-bottom:8px;}
.kf-panel p{font-size:12.5px;color:#4a4368;}

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

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    background:#fff;
    border-bottom:1px solid rgba(109,40,217,.16);
    box-shadow:0 24px 40px -28px rgba(17,24,39,.6);
    padding:8px 20px 18px;
  }
  .nav.open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 6px;border-bottom:1px dashed rgba(17,24,39,.08);border-radius:0;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .hero-visual{min-height:auto;padding:10px 6px 26px;}
  .hero-panel{max-width:100%;}
  .about-grid{grid-template-columns:1fr;gap:26px;}
  .network-wrap{grid-template-columns:1fr;}
  .form-wrap{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .partner-box{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cases-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .token-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .brand-logo{width:56px;}
  .brand-name{font-size:16px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .cases-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .wiki-item{grid-template-columns:1fr;gap:6px;}
  .rating-banner{flex-direction:column;align-items:flex-start;}
  .rating-side{text-align:left;}
  .hero-actions .btn{flex:1 1 auto;}
  .float-btn{width:46px;height:46px;font-size:12px;}
  .kf-panel{width:168px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}