:root{
  --bg:#0a0e1a;
  --bg-soft:#0f1526;
  --panel:rgba(255,255,255,0.04);
  --panel-solid:#141b2e;
  --line:rgba(120,200,255,0.16);
  --txt:#eaf2ff;
  --txt-soft:#a7b6d4;
  --txt-dim:#7c8bab;
  --neon1:#00e5ff;
  --neon2:#7c5cff;
  --neon3:#ff3ec8;
  --neon4:#3dffa2;
  --grad:linear-gradient(120deg,#00e5ff,#7c5cff 50%,#ff3ec8);
  --radius:18px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(680px 420px at 12% 4%,rgba(0,229,255,0.16),transparent 60%),
    radial-gradient(720px 480px at 88% 12%,rgba(124,92,255,0.18),transparent 62%),
    radial-gradient(820px 520px at 50% 92%,rgba(255,62,200,0.10),transparent 65%),
    var(--bg);
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:linear-gradient(rgba(120,200,255,0.045) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,0.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 82%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 82%);
  pointer-events:none;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
section{position:relative;}
.section-pad{padding:84px 0;}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--neon1);
  border:1px solid var(--line);
  background:rgba(0,229,255,0.06);
  padding:6px 14px;border-radius:100px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon1);box-shadow:0 0 10px var(--neon1);}
h2.section-title{
  font-size:clamp(24px,3.4vw,38px);
  font-weight:800;line-height:1.28;letter-spacing:-.01em;
}
.section-title em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-sub{margin-top:14px;color:var(--txt-soft);font-size:15px;}
.glow-line{
  height:1px;width:100%;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}

/* ===== nav ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(14px);
  background:rgba(10,14,26,0.78);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{width:auto;height:34px;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-name span{color:var(--neon1);}
.nav-links{
  display:flex;align-items:center;gap:0;
  flex-wrap:wrap;justify-content:flex-end;
}
.nav-links a{
  font-size:13.5px;color:var(--txt-soft);
  padding:8px 10px;border-radius:8px;
  transition:color .25s,background .25s;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--neon1);background:rgba(0,229,255,0.08);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 20px;border-radius:100px;
  font-size:13.5px;font-weight:700;color:#031018;
  background:var(--grad);
  box-shadow:0 0 20px rgba(0,229,255,0.28);
  transition:transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(0,229,255,0.5);}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,0.05);border:1px solid var(--line);
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--txt);border-radius:2px;transition:.3s;}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== hero ===== */
.hero{padding:72px 0 80px;position:relative;overflow:hidden;}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.2;font-weight:900;letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(0,229,255,0.35));
}
.hero-lead{color:var(--txt-soft);font-size:16px;max-width:560px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px;}
.hero-tags span{
  font-size:12.5px;color:var(--txt-soft);
  border:1px solid var(--line);border-radius:100px;
  padding:5px 12px;background:rgba(255,255,255,0.03);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:100px;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s;
  border:none;
}
.btn-primary{
  color:#031018;background:var(--grad);
  box-shadow:0 0 24px rgba(0,229,255,0.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 40px rgba(0,229,255,0.6);}
.btn-ghost{
  color:var(--txt);background:rgba(255,255,255,0.05);
  border:1px solid var(--line);
}
.btn-ghost:hover{background:rgba(124,92,255,0.16);border-color:rgba(124,92,255,0.5);transform:translateY(-3px);}

.hero-visual{position:relative;display:flex;flex-direction:column;gap:14px;}
.orb{
  position:absolute;border-radius:50%;filter:blur(2px);
  pointer-events:none;
}
.orb-1{width:180px;height:180px;right:-40px;top:-50px;background:radial-gradient(circle,rgba(0,229,255,0.4),transparent 70%);animation:float 7s ease-in-out infinite;}
.orb-2{width:220px;height:220px;left:-60px;bottom:-70px;background:radial-gradient(circle,rgba(124,92,255,0.35),transparent 70%);animation:float 9s ease-in-out infinite reverse;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-20px);}}
.stat-panel{
  position:relative;z-index:1;
  background:linear-gradient(160deg,rgba(255,255,255,0.08),rgba(255,255,255,0.02));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(10px);
  box-shadow:0 20px 50px rgba(0,0,0,0.35);
}
.stat-panel h3{
  font-size:14px;font-weight:600;color:var(--txt-dim);
  letter-spacing:.1em;margin-bottom:18px;
}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.stat-item{
  border:1px solid var(--line);border-radius:12px;
  padding:16px;background:rgba(0,0,0,0.18);
  transition:border-color .3s,transform .3s;
}
.stat-item:hover{border-color:rgba(0,229,255,0.5);transform:translateY(-3px);}
.stat-num{font-size:24px;font-weight:900;color:var(--neon1);line-height:1.1;}
.stat-num span{font-size:13px;color:var(--txt-soft);margin-left:4px;font-weight:600;}
.stat-label{font-size:12.5px;color:var(--txt-soft);margin-top:6px;}
.model-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;}
.model-chips span{
  font-size:11.5px;color:var(--neon1);
  border:1px solid rgba(0,229,255,0.3);border-radius:6px;
  padding:3px 8px;background:rgba(0,229,255,0.06);
}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.about-text p{color:var(--txt-soft);margin-bottom:16px;font-size:15px;}
.feature-list{list-style:none;display:grid;gap:12px;margin-top:22px;}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:12px;
  background:rgba(255,255,255,0.03);border:1px solid var(--line);
  font-size:14px;color:var(--txt-soft);
  transition:border-color .3s,background .3s;
}
.feature-list li:hover{border-color:rgba(124,92,255,0.5);background:rgba(124,92,255,0.08);}
.feature-list b{color:var(--txt);font-weight:700;}
.dot{flex-shrink:0;width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--grad);box-shadow:0 0 8px var(--neon1);}
.about-cards{display:grid;gap:16px;}
.info-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;background:linear-gradient(150deg,rgba(255,255,255,0.06),rgba(255,255,255,0.01));
  transition:transform .3s,border-color .3s;
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(0,229,255,0.45);}
.info-card h3{font-size:17px;margin-bottom:10px;}
.info-card h3 em{font-style:normal;color:var(--neon3);}
.info-card p{font-size:14px;color:var(--txt-soft);}

/* ===== services ===== */
.service-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.service-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;background:rgba(255,255,255,0.03);
  position:relative;overflow:hidden;
  transition:transform .3s,border-color .3s,background .3s;
  display:flex;flex-direction:column;gap:10px;
}
.service-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,229,255,0.1),transparent 50%);
  opacity:0;transition:opacity .35s;pointer-events:none;
}
.service-card:hover{transform:translateY(-6px);border-color:rgba(0,229,255,0.5);background:rgba(255,255,255,0.05);}
.service-card:hover::after{opacity:1;}
.service-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#031018;
  background:var(--grad);box-shadow:0 0 18px rgba(0,229,255,0.3);
}
.service-card h3{font-size:16.5px;font-weight:700;}
.service-card p{font-size:13.5px;color:var(--txt-soft);}

/* ===== workflow ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px;background:rgba(255,255,255,0.03);
  position:relative;transition:transform .3s,border-color .3s;
}
.step:hover{transform:translateY(-5px);border-color:rgba(255,62,200,0.5);}
.step-num{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--neon3);
  margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--txt-soft);}
.step::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:100%;
  background:linear-gradient(180deg,var(--neon3),transparent);
  border-radius:var(--radius) 0 0 var(--radius);
  opacity:.6;
}

/* ===== solutions tabs ===== */
.tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px;}
.tab-btn{
  padding:9px 20px;border-radius:100px;font-size:13.5px;font-weight:600;cursor:pointer;
  background:rgba(255,255,255,0.04);border:1px solid var(--line);color:var(--txt-soft);
  transition:.25s;
}
.tab-btn.active,.tab-btn:hover{
  color:#031018;background:var(--grad);border-color:transparent;
  box-shadow:0 0 18px rgba(0,229,255,0.3);
}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadeIn .45s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.solution-box{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;background:linear-gradient(150deg,rgba(124,92,255,0.1),rgba(255,255,255,0.02));
}
.solution-box h3{font-size:19px;margin-bottom:12px;color:var(--neon1);}
.solution-box p{font-size:14.5px;color:var(--txt-soft);margin-bottom:16px;}
.solution-tags{display:flex;flex-wrap:wrap;gap:8px;}
.solution-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:8px;
  background:rgba(0,229,255,0.08);color:var(--neon1);border:1px solid rgba(0,229,255,0.25);
}

/* ===== network ===== */
.network-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.network-item{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;background:rgba(255,255,255,0.03);
  transition:transform .3s,border-color .3s;
}
.network-item:hover{transform:translateY(-4px);border-color:rgba(61,255,162,0.45);}
.network-item h3{font-size:15.5px;margin-bottom:8px;color:var(--neon4);}
.network-item p{font-size:13.5px;color:var(--txt-soft);}

/* ===== cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:rgba(255,255,255,0.03);
  transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-6px);border-color:rgba(255,62,200,0.45);box-shadow:0 18px 40px rgba(0,0,0,0.4);}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#0b1020;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.case-body h3{font-size:16px;}
.case-body p{font-size:13.5px;color:var(--txt-soft);}
.case-tag{font-size:12px;color:var(--neon3);font-weight:600;}
.case-square-wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;margin-top:24px;}
.case-square{
  width:220px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,0.03);
}
.case-square img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;}

/* ===== compare ===== */
.score-banner{
  display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;
  padding:28px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(0,229,255,0.14),rgba(124,92,255,0.12),rgba(255,62,200,0.12));
  border:1px solid rgba(0,229,255,0.35);
  margin-bottom:30px;
}
.score-num{font-size:52px;font-weight:900;line-height:1;color:var(--neon1);text-shadow:0 0 22px rgba(0,229,255,0.5);}
.score-num small{font-size:16px;color:var(--txt-soft);font-weight:600;margin-left:4px;}
.score-stars{font-size:20px;color:#ffd54a;letter-spacing:3px;margin-bottom:6px;}
.score-text{font-size:14.5px;color:var(--txt-soft);}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14px;}
thead th{
  text-align:left;padding:16px 18px;font-weight:700;font-size:13.5px;
  background:rgba(0,229,255,0.08);color:var(--neon1);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{
  padding:14px 18px;border-bottom:1px solid rgba(120,200,255,0.08);
  color:var(--txt-soft);vertical-align:top;
}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td{background:rgba(0,229,255,0.04);}
tbody td:first-child{color:var(--txt);font-weight:600;}
.hl-cell{color:var(--neon4)!important;font-weight:700;}

/* ===== token price ===== */
.token-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.token-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;background:rgba(255,255,255,0.03);
  text-align:center;transition:transform .3s,border-color .3s;
}
.token-card:hover{transform:translateY(-4px);border-color:rgba(0,229,255,0.5);}
.token-card h3{font-size:15px;margin-bottom:10px;}
.token-price{font-size:26px;font-weight:900;color:var(--neon1);}
.token-price small{font-size:12px;color:var(--txt-dim);font-weight:500;}
.token-note{font-size:12.5px;color:var(--txt-soft);margin-top:8px;}

/* ===== reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;background:rgba(255,255,255,0.03);
  transition:transform .3s,border-color .3s;
  display:flex;flex-direction:column;gap:12px;
}
.review-card:hover{transform:translateY(-5px);border-color:rgba(124,92,255,0.5);}
.review-stars{color:#ffd54a;letter-spacing:2px;font-size:14px;}
.review-card p{font-size:14px;color:var(--txt-soft);flex:1;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:4px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#031018;background:var(--grad);
  flex-shrink:0;
}
.review-user b{display:block;font-size:14px;color:var(--txt);}
.review-user span{font-size:12.5px;color:var(--txt-dim);}

/* ===== faq ===== */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,0.03);overflow:hidden;
  transition:border-color .3s;
}
.faq-item.open{border-color:rgba(0,229,255,0.5);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;background:none;border:none;color:var(--txt);
  font-size:15px;font-weight:600;cursor:pointer;text-align:left;
  font-family:inherit;transition:color .25s;
}
.faq-q:hover{color:var(--neon1);}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--neon1);transition:transform .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease,padding .4s ease;
  padding:0 22px;color:var(--txt-soft);font-size:14px;
}
.faq-item.open .faq-a{max-height:320px;padding:0 22px 20px;}

/* ===== articles ===== */
.article-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.article-item{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:18px 22px;border:1px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,0.03);transition:border-color .3s,transform .3s;
}
.article-item:hover{border-color:rgba(255,62,200,0.5);transform:translateX(6px);}
.article-item a{font-size:14.5px;color:var(--txt);font-weight:600;}
.article-item span{font-size:12.5px;color:var(--txt-dim);flex-shrink:0;}

/* ===== form ===== */
.form-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start;
  border:1px solid var(--line);border-radius:22px;
  padding:36px;background:linear-gradient(150deg,rgba(0,229,255,0.08),rgba(124,92,255,0.06));
}
.form-info h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.form-info p{color:var(--txt-soft);font-size:14.5px;margin-bottom:20px;}
.contact-list{display:grid;gap:12px;list-style:none;}
.contact-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--txt-soft);
}
.contact-list b{color:var(--txt);}
.contact-list .dot{margin-top:7px;}
form{display:grid;gap:14px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field label{display:block;font-size:13px;color:var(--txt-soft);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;
  background:rgba(0,0,0,0.28);border:1px solid var(--line);
  color:var(--txt);font-size:14px;font-family:inherit;
  transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon1);
  box-shadow:0 0 0 3px rgba(0,229,255,0.15);
}
.field textarea{resize:vertical;min-height:100px;}
.submit-btn{
  padding:14px;border-radius:100px;border:none;cursor:pointer;
  font-size:15px;font-weight:800;color:#031018;background:var(--grad);
  box-shadow:0 0 20px rgba(0,229,255,0.3);
  transition:transform .25s,box-shadow .25s;font-family:inherit;
}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(0,229,255,0.55);}

/* ===== franchise ===== */
.franchise{
  border:1px solid rgba(255,62,200,0.35);border-radius:22px;
  padding:36px;background:linear-gradient(130deg,rgba(255,62,200,0.12),rgba(124,92,255,0.1));
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
}
.franchise h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.franchise p{color:var(--txt-soft);font-size:14.5px;max-width:620px;}

/* ===== links ===== */
.link-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.link-cloud a{
  font-size:13px;padding:8px 16px;border-radius:100px;
  border:1px solid var(--line);color:var(--txt-soft);
  background:rgba(255,255,255,0.03);transition:.25s;
}
.link-cloud a:hover{color:var(--neon1);border-color:rgba(0,229,255,0.55);background:rgba(0,229,255,0.08);}

/* ===== footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:#080b15;color:var(--txt-soft);
  padding:52px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;
  margin-bottom:36px;
}
.footer-brand p{font-size:13.5px;margin-top:14px;max-width:300px;color:var(--txt-soft);}
.footer-brand .brand img{height:30px;}
.footer-col h3{font-size:14px;color:var(--txt);margin-bottom:14px;font-weight:700;}
.footer-col ul{list-style:none;display:grid;gap:9px;}
.footer-col a,.footer-col li{font-size:13.5px;color:var(--txt-soft);transition:color .25s;}
.footer-col a:hover{color:var(--neon1);}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:14px;}
.footer-qr img{width:84px;height:84px;object-fit:cover;border-radius:8px;border:1px solid var(--line);}
.footer-qr span{font-size:12.5px;color:var(--txt-soft);}
.footer-bottom{
  border-top:1px solid rgba(120,200,255,0.1);
  padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--txt-dim);
}
.footer-bottom a{color:var(--txt-soft);}
.footer-bottom a:hover{color:var(--neon1);}

/* ===== float ===== */
.float-btn{
  position:fixed;right:22px;bottom:90px;z-index:120;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn button,.float-btn a{
  width:50px;height:50px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(15,21,38,0.9);border:1px solid var(--line);
  color:var(--neon1);font-size:18px;cursor:pointer;
  backdrop-filter:blur(8px);
  transition:transform .25s,border-color .25s,opacity .3s;
  opacity:0;visibility:hidden;
}
.float-btn button.show,.float-btn a.show{opacity:1;visibility:visible;}
.float-btn button:hover,.float-btn a:hover{transform:translateY(-3px);border-color:var(--neon1);}
.kefu-pop{
  position:fixed;right:82px;bottom:90px;z-index:121;
  background:#0f1526;border:1px solid var(--line);border-radius:14px;
  padding:16px;text-align:center;display:none;
  box-shadow:0 16px 44px rgba(0,0,0,0.6);
}
.kefu-pop.show{display:block;animation:fadeIn .3s ease;}
.kefu-pop img{width:150px;height:150px;object-fit:cover;border-radius:8px;}
.kefu-pop p{font-size:12.5px;color:var(--txt-soft);margin-top:8px;}
.wechat-float{
  position:fixed;right:22px;bottom:30px;z-index:120;
  width:50px;height:50px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#031018;font-size:18px;font-weight:900;
  cursor:pointer;box-shadow:0 0 22px rgba(0,229,255,0.4);
  transition:transform .25s;
}
.wechat-float:hover{transform:translateY(-3px) scale(1.05);}

/* ===== responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .about-grid{grid-template-columns:1fr;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .network-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .token-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .form-wrap{grid-template-columns:1fr;}
  .franchise{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .menu-toggle{display:flex;}
  .nav-links{
    position:absolute;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:rgba(10,14,26,0.98);
    border-bottom:1px solid var(--line);
    padding:12px 20px 20px;
    gap:2px;display:none;
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 8px;font-size:14.5px;border-radius:8px;}
  .nav-cta{display:none;}
  .section-pad{padding:60px 0;}
  .score-banner{grid-template-columns:1fr;text-align:center;gap:12px;}
  .score-num{font-size:46px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .hero{padding:48px 0 56px;}
  .service-grid,.steps,.network-grid,.case-grid,.review-grid,.token-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
  .form-wrap{padding:24px;}
  .franchise{padding:26px;}
  .article-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .float-btn{right:14px;bottom:80px;}
  .kefu-pop{right:74px;}
  .wechat-float{right:14px;bottom:22px;}
}