*{margin:0;padding:0;box-sizing:border-box}
:root{
--ink:#121327;
--ink-soft:#3a3d5c;
--muted:#6c7088;
--line:#e6e4f5;
--base:#f7f6fd;
--card:#ffffff;
--neon1:#5b3cff;
--neon2:#00d4c8;
--neon3:#ff3d9a;
--neon4:#ffd84d;
--glow:0 20px 50px -22px rgba(91,60,255,.45);
--radius:18px;
}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
color:var(--ink);
background:
radial-gradient(circle at 12% 0%,rgba(91,60,255,.14),transparent 42%),
radial-gradient(circle at 88% 8%,rgba(0,212,200,.14),transparent 40%),
radial-gradient(circle at 50% 55%,rgba(255,61,154,.07),transparent 55%),
linear-gradient(180deg,#fbfaff 0%,#f4f2fd 100%);
background-attachment:fixed;
line-height:1.75;
-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
header,main,footer{width:100%}

/* ---------- HEADER ---------- */
.site-header{
position:sticky;top:0;z-index:900;
background:rgba(251,250,255,.88);
backdrop-filter:blur(14px);
border-bottom:1px solid rgba(91,60,255,.12);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{width:auto;height:36px;object-fit:contain}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.5px;background:linear-gradient(90deg,var(--neon1),var(--neon3));-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
display:block;padding:8px 11px;font-size:14px;color:var(--ink-soft);border-radius:10px;
transition:color .25s,background .25s,transform .25s;
}
.nav-links a:hover{color:var(--neon1);background:rgba(91,60,255,.08);transform:translateY(-1px)}
.nav-links a.ai-page-home-link{color:var(--neon1);font-weight:700}
.nav-cta{
display:inline-flex;align-items:center;justify-content:center;
padding:10px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#fff;
background:linear-gradient(120deg,var(--neon1),var(--neon3));
box-shadow:0 10px 24px -10px rgba(91,60,255,.8);
transition:transform .25s,box-shadow .25s;flex-shrink:0;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(91,60,255,.9)}
.menu-toggle{
display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding:80px 0 70px}
.hero-glow{
position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0;
opacity:.55;animation:floatGlow 12s ease-in-out infinite alternate;
}
.g1{width:420px;height:420px;top:-120px;left:-100px;background:radial-gradient(circle,rgba(91,60,255,.55),transparent 70%)}
.g2{width:360px;height:360px;top:-60px;right:-90px;background:radial-gradient(circle,rgba(0,212,200,.5),transparent 70%);animation-delay:-4s}
.g3{width:300px;height:300px;bottom:-140px;left:45%;background:radial-gradient(circle,rgba(255,61,154,.35),transparent 70%);animation-delay:-8s}
@keyframes floatGlow{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(20px,26px,0) scale(1.08)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;
color:var(--neon1);background:rgba(91,60,255,.1);border:1px solid rgba(91,60,255,.2);
padding:6px 16px;border-radius:999px;margin-bottom:22px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(90deg,var(--neon1),var(--neon3));box-shadow:0 0 10px rgba(255,61,154,.9);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}
.hero h1{
font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:900;letter-spacing:-.5px;margin-bottom:20px;
}
.hero h1 em{
font-style:normal;
background:linear-gradient(100deg,var(--neon1) 0%,var(--neon3) 48%,var(--neon2) 100%);
-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16px;color:var(--ink-soft);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:14px 30px;border-radius:999px;font-size:15px;font-weight:700;
cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s;
}
.btn-primary{
color:#fff;background:linear-gradient(120deg,var(--neon1),var(--neon3));
box-shadow:0 16px 34px -14px rgba(91,60,255,.85);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 24px 42px -16px rgba(91,60,255,.95)}
.btn-ghost{
color:var(--neon1);background:#fff;border:1.5px solid rgba(91,60,255,.3);
box-shadow:0 10px 24px -18px rgba(18,19,39,.6);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--neon1);box-shadow:0 16px 30px -18px rgba(91,60,255,.7)}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags span{
font-size:13px;color:var(--ink-soft);padding:6px 14px;border-radius:999px;
background:rgba(255,255,255,.85);border:1px solid var(--line);
transition:border-color .25s,color .25s,transform .25s;
}
.hero-tags span:hover{border-color:var(--neon2);color:var(--neon1);transform:translateY(-2px)}

/* hero side panel */
.hero-panel{
background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(247,246,253,.9));
border:1px solid rgba(91,60,255,.18);
border-radius:24px;padding:26px;
box-shadow:var(--glow);
backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:16px;font-weight:800;margin-bottom:4px}
.hero-panel p{font-size:13px;color:var(--muted);margin-bottom:18px}
.mini-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini-metric{
padding:14px 14px;border-radius:14px;background:linear-gradient(150deg,#fff,#f4f2fe);
border:1px solid var(--line);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.mini-metric:hover{transform:translateY(-3px);border-color:rgba(0,212,200,.55);box-shadow:0 14px 26px -18px rgba(0,212,200,.8)}
.mini-metric strong{display:block;font-size:20px;font-weight:900;color:var(--neon1);line-height:1.3}
.mini-metric span{font-size:12px;color:var(--muted)}
.hero-panel .panel-note{
margin-top:18px;font-size:12.5px;color:var(--ink-soft);
padding-top:14px;border-top:1px dashed var(--line);
}

/* ---------- SECTION BASE ---------- */
.section{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.chip{
display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1px;
padding:5px 15px;border-radius:999px;color:var(--neon2);
background:rgba(0,212,200,.1);border:1px solid rgba(0,212,200,.3);margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,3vw,34px);font-weight:900;line-height:1.32;letter-spacing:-.4px;margin-bottom:14px}
.section-head p{font-size:15px;color:var(--ink-soft)}

/* ---------- DATA METRICS ---------- */
.metrics-band{
display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-6px;
}
.metric-card{
position:relative;overflow:hidden;text-align:center;padding:26px 18px;border-radius:var(--radius);
background:var(--card);border:1px solid var(--line);box-shadow:0 14px 34px -26px rgba(18,19,39,.7);
transition:transform .3s,box-shadow .3s;
}
.metric-card::after{
content:"";position:absolute;left:0;right:0;top:0;height:3px;
background:linear-gradient(90deg,var(--neon1),var(--neon2),var(--neon3));
}
.metric-card:hover{transform:translateY(-5px);box-shadow:0 26px 46px -28px rgba(91,60,255,.8)}
.metric-card strong{display:block;font-size:clamp(24px,3vw,32px);font-weight:900;color:var(--neon1);line-height:1.25}
.metric-card span{font-size:13.5px;color:var(--muted)}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.about-text p{font-size:15px;color:var(--ink-soft);margin-bottom:16px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.about-list li{
display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-soft);
background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
transition:transform .25s,border-color .25s;
}
.about-list li:hover{transform:translateY(-2px);border-color:rgba(91,60,255,.4)}
.about-list li::before{
content:"";flex-shrink:0;width:8px;height:8px;margin-top:7px;border-radius:50%;
background:linear-gradient(135deg,var(--neon1),var(--neon2));
}
.model-cloud{
background:linear-gradient(160deg,#1a1733,#241d47);
border-radius:24px;padding:28px;color:#fff;box-shadow:var(--glow);
position:relative;overflow:hidden;
}
.model-cloud::before{
content:"";position:absolute;width:240px;height:240px;top:-100px;right:-80px;border-radius:50%;
background:radial-gradient(circle,rgba(0,212,200,.45),transparent 70%);filter:blur(30px);
}
.model-cloud h3{font-size:17px;font-weight:800;margin-bottom:6px;position:relative;z-index:1}
.model-cloud p{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;position:relative;z-index:1}
.model-tags{display:flex;flex-wrap:wrap;gap:9px;position:relative;z-index:1}
.model-tags span{
font-size:12.5px;padding:6px 13px;border-radius:999px;color:#e9f9f7;
background:rgba(255,255,255,.08);border:1px solid rgba(0,212,200,.35);
transition:background .25s,transform .25s,border-color .25s;
}
.model-tags span:hover{background:rgba(0,212,200,.22);border-color:var(--neon2);transform:translateY(-2px)}

/* ---------- SERVICE CARDS ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:24px 22px;transition:transform .3s,box-shadow .3s,border-color .3s;
position:relative;overflow:hidden;
}
.service-card::before{
content:"";position:absolute;inset:0;border-radius:var(--radius);
background:linear-gradient(140deg,rgba(91,60,255,.07),transparent 55%);
opacity:0;transition:opacity .3s;
}
.service-card:hover{transform:translateY(-5px);border-color:rgba(91,60,255,.35);box-shadow:0 26px 46px -30px rgba(91,60,255,.9)}
.service-card:hover::before{opacity:1}
.service-icon{
width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
font-size:14px;font-weight:900;color:#fff;margin-bottom:16px;position:relative;z-index:1;
background:linear-gradient(135deg,var(--neon1),var(--neon3));
box-shadow:0 10px 22px -12px rgba(91,60,255,.9);
}
.service-card:nth-child(3n+2) .service-icon{background:linear-gradient(135deg,var(--neon2),#4a7dff);box-shadow:0 10px 22px -12px rgba(0,212,200,.9)}
.service-card:nth-child(3n+3) .service-icon{background:linear-gradient(135deg,#ffb020,var(--neon3));box-shadow:0 10px 22px -12px rgba(255,61,154,.9)}
.service-card h3{font-size:16px;font-weight:800;margin-bottom:9px;position:relative;z-index:1}
.service-card p{font-size:13.8px;color:var(--muted);position:relative;z-index:1}

/* ---------- ONE-STOP TIMELINE ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.tl-item{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
transition:transform .3s,box-shadow .3s;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:0 22px 40px -30px rgba(18,19,39,.9)}
.tl-num{
font-size:13px;font-weight:900;color:var(--neon1);letter-spacing:1px;margin-bottom:10px;display:block;
}
.tl-item h3{font-size:15.5px;font-weight:800;margin-bottom:8px}
.tl-item p{font-size:13.5px;color:var(--muted)}

/* ---------- SOLUTIONS ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.solution-item{
display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
border-radius:var(--radius);padding:22px;transition:transform .3s,border-color .3s,box-shadow .3s;
}
.solution-item:hover{transform:translateY(-4px);border-color:rgba(0,212,200,.5);box-shadow:0 22px 44px -32px rgba(0,212,200,.9)}
.solution-tag{
flex-shrink:0;font-size:12px;font-weight:800;color:var(--neon2);
background:rgba(0,212,200,.1);border:1px solid rgba(0,212,200,.3);
padding:5px 12px;border-radius:999px;margin-top:2px;letter-spacing:.5px;
}
.solution-item h3{font-size:15.5px;font-weight:800;margin-bottom:7px}
.solution-item p{font-size:13.6px;color:var(--muted)}

/* ---------- NETWORK ---------- */
.network-band{
background:linear-gradient(150deg,#ffffff,#f3f1fe);
border:1px solid var(--line);border-radius:24px;padding:32px;
display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;
box-shadow:0 20px 46px -34px rgba(18,19,39,.9);
}
.network-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;margin-bottom:12px;line-height:1.34}
.network-band p{font-size:14.6px;color:var(--ink-soft);margin-bottom:20px}
.net-chips{display:flex;flex-wrap:wrap;gap:9px}
.net-chips span{
font-size:13px;padding:7px 15px;border-radius:10px;background:#fff;border:1px solid var(--line);
color:var(--ink-soft);transition:.25s;
}
.net-chips span:hover{border-color:var(--neon1);color:var(--neon1);transform:translateY(-2px)}
.net-visual{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.net-stat{
background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;
transition:transform .3s,border-color .3s;
}
.net-stat:hover{transform:translateY(-3px);border-color:rgba(91,60,255,.4)}
.net-stat strong{display:block;font-size:22px;font-weight:900;color:var(--neon1)}
.net-stat span{font-size:12.5px;color:var(--muted)}

/* ---------- PROCESS ---------- */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.process-step{
background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 16px;text-align:center;
transition:transform .3s,box-shadow .3s;
}
.process-step:hover{transform:translateY(-5px);box-shadow:0 22px 40px -30px rgba(91,60,255,.9)}
.step-dot{
width:36px;height:36px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;
color:#fff;font-weight:900;font-size:14px;background:linear-gradient(135deg,var(--neon1),var(--neon2));
box-shadow:0 8px 18px -10px rgba(91,60,255,.9);
}
.process-step h3{font-size:14.5px;font-weight:800;margin-bottom:6px}
.process-step p{font-size:12.6px;color:var(--muted)}

/* ---------- CASES ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
transition:transform .3s,box-shadow .3s;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 26px 50px -32px rgba(91,60,255,.9)}
.case-media{width:100%;aspect-ratio:16/10;overflow:hidden;background:#f0eefb}
.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:18px 20px 22px}
.case-body h3{font-size:15.5px;font-weight:800;margin-bottom:8px}
.case-body p{font-size:13.4px;color:var(--muted)}

/* ---------- COMPARE ---------- */
.compare-wrap{
background:linear-gradient(150deg,#ffffff,#f5f3fe);border:1px solid var(--line);
border-radius:24px;padding:30px;box-shadow:0 22px 50px -36px rgba(18,19,39,.9);
}
.compare-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}
.score-box{display:flex;align-items:center;gap:18px}
.score-num{font-size:44px;font-weight:900;line-height:1;background:linear-gradient(100deg,var(--neon1),var(--neon3),var(--neon2));-webkit-background-clip:text;background-clip:text;color:transparent}
.score-meta strong{display:block;font-size:15px;font-weight:800}
.score-meta span{font-size:13px;color:var(--muted)}
.stars{color:#ffb020;letter-spacing:2px;font-size:16px}
.compare-table-wrap{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
table.compare th,table.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.compare thead th{
font-size:13px;font-weight:800;letter-spacing:.5px;color:#fff;
background:linear-gradient(100deg,var(--neon1),var(--neon3));
}
table.compare thead th:first-child{border-radius:12px 0 0 0}
table.compare thead th:last-child{border-radius:0 12px 0 0}
table.compare tbody tr{transition:background .25s}
table.compare tbody tr:hover{background:rgba(91,60,255,.05)}
table.compare td:nth-child(2){font-weight:700;color:var(--neon1)}
table.compare td:nth-child(3){color:var(--muted)}

/* ---------- PRICE / TOKEN ---------- */
.token-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.token-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;
}
.token-card:hover{transform:translateY(-5px);border-color:rgba(0,212,200,.55);box-shadow:0 24px 44px -30px rgba(0,212,200,.9)}
.token-card.hot{border-color:rgba(91,60,255,.45);background:linear-gradient(160deg,#fff,#f6f4ff)}
.token-card.hot::before{
content:"推荐";position:absolute;top:14px;right:14px;font-size:11px;font-weight:800;color:#fff;
padding:3px 10px;border-radius:999px;background:linear-gradient(120deg,var(--neon1),var(--neon3));
}
.token-card h3{font-size:15px;font-weight:800;margin-bottom:6px}
.token-price{font-size:24px;font-weight:900;color:var(--neon1);line-height:1.3;margin:10px 0 4px}
.token-price small{font-size:12px;font-weight:600;color:var(--muted);margin-left:4px}
.token-card ul{margin-top:12px;display:grid;gap:7px}
.token-card li{font-size:13px;color:var(--muted);padding-left:16px;position:relative}
.token-card li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--neon2),var(--neon1))}

/* ---------- REVIEWS ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
transition:transform .3s,box-shadow .3s;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 24px 46px -32px rgba(91,60,255,.9)}
.review-quote{font-size:26px;line-height:1;color:rgba(91,60,255,.25);font-weight:900;margin-bottom:8px}
.review-card p{font-size:13.8px;color:var(--ink-soft);margin-bottom:18px}
.review-user{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{
width:40px;height:40px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
font-size:14px;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--neon1),var(--neon2));
}
.review-card:nth-child(3n+2) .avatar{background:linear-gradient(135deg,var(--neon3),#ffb020)}
.review-card:nth-child(3n) .avatar{background:linear-gradient(135deg,#4a7dff,var(--neon2))}
.review-user strong{display:block;font-size:13.8px;font-weight:800}
.review-user span{font-size:12.4px;color:var(--muted)}

/* ---------- FORM ---------- */
.form-band{
display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start;
background:linear-gradient(160deg,#ffffff,#f4f2fd);border:1px solid var(--line);
border-radius:24px;padding:34px;box-shadow:0 22px 52px -36px rgba(18,19,39,.9);
}
.form-info h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;margin-bottom:12px;line-height:1.32}
.form-info p{font-size:14.5px;color:var(--ink-soft);margin-bottom:20px}
.contact-lines{display:grid;gap:12px}
.contact-line{
display:flex;align-items:center;gap:12px;font-size:13.8px;color:var(--ink-soft);
background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;transition:.25s;
}
.contact-line:hover{border-color:rgba(91,60,255,.4);transform:translateX(3px)}
.contact-line b{color:var(--ink);font-weight:800;flex-shrink:0}
form.req-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:var(--ink-soft)}
.field input,.field select,.field textarea{
width:100%;padding:12px 14px;font-size:14px;font-family:inherit;color:var(--ink);
background:#fff;border:1px solid var(--line);border-radius:12px;outline:none;
transition:border-color .25s,box-shadow .25s;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
border-color:var(--neon1);box-shadow:0 0 0 3px rgba(91,60,255,.14);
}
.form-submit{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-submit button{border:none;cursor:pointer}
.form-submit small{font-size:12.4px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .3s,box-shadow .3s;
}
.faq-item.open{border-color:rgba(91,60,255,.45);box-shadow:0 18px 38px -30px rgba(91,60,255,.9)}
.faq-q{
width:100%;text-align:left;background:none;border:none;cursor:pointer;
padding:18px 52px 18px 20px;font-size:14.6px;font-weight:700;color:var(--ink);
font-family:inherit;position:relative;line-height:1.6;
}
.faq-q::after{
content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
font-size:20px;font-weight:400;color:var(--neon1);transition:transform .3s;
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:13.8px;color:var(--ink-soft)}

/* ---------- ARTICLES ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
transition:transform .3s,box-shadow .3s,border-color .3s;
}
.article-card:hover{transform:translateY(-4px);border-color:rgba(0,212,200,.5);box-shadow:0 24px 46px -32px rgba(0,212,200,.9)}
.article-card h3{font-size:15px;font-weight:800;margin-bottom:10px}
.article-card p{font-size:13.4px;color:var(--muted);margin-bottom:14px}
.article-card a{font-size:13.4px;font-weight:700;color:var(--neon1);display:inline-flex;align-items:center;gap:6px;transition:gap .25s}
.article-card a:hover{gap:10px}

/* ---------- FRIEND LINKS ---------- */
.friend-band{
background:linear-gradient(150deg,#ffffff,#f5f3fe);border:1px solid var(--line);
border-radius:20px;padding:26px 28px;
}
.friend-band h2{font-size:17px;font-weight:800;margin-bottom:16px}
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{
font-size:13.2px;color:var(--ink-soft);padding:7px 15px;border-radius:999px;
background:#fff;border:1px solid var(--line);transition:.25s;
}
.friend-links a:hover{color:var(--neon1);border-color:var(--neon1);transform:translateY(-2px);box-shadow:0 10px 22px -18px rgba(91,60,255,.9)}

/* ---------- JOIN ---------- */
.join-band{
display:grid;grid-template-columns:1fr .8fr;gap:30px;align-items:center;
background:linear-gradient(130deg,#1a1733,#2a2154);border-radius:24px;padding:36px;color:#fff;
position:relative;overflow:hidden;box-shadow:var(--glow);
}
.join-band::before{
content:"";position:absolute;width:320px;height:320px;right:-110px;top:-120px;border-radius:50%;
background:radial-gradient(circle,rgba(0,212,200,.45),transparent 70%);filter:blur(30px);
}
.join-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;margin-bottom:12px;position:relative;z-index:1;line-height:1.32}
.join-band p{font-size:14.4px;color:rgba(255,255,255,.75);margin-bottom:20px;position:relative;z-index:1}
.join-band .btn-primary{position:relative;z-index:1}
.join-side{position:relative;z-index:1;display:grid;gap:12px}
.join-side div{
background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
border-radius:14px;padding:14px 18px;font-size:13.6px;color:rgba(255,255,255,.86);
}
.join-side div b{display:block;font-size:15px;color:#fff;margin-bottom:2px}

/* ---------- FOOTER ---------- */
.site-footer{
background:linear-gradient(180deg,#f4f2fd,#eeebfb);
border-top:1px solid rgba(91,60,255,.15);
padding:44px 0 22px;color:var(--ink-soft);
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:26px;margin-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand img{width:auto;height:32px;object-fit:contain}
.footer-brand strong{font-size:16px;font-weight:900;color:var(--ink)}
.footer-col p{font-size:13.4px;color:var(--muted);margin-bottom:10px}
.footer-col h3{font-size:14.5px;font-weight:800;color:var(--ink);margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col li,.footer-col li a{font-size:13.4px;color:var(--muted);transition:color .25s}
.footer-col li a:hover{color:var(--neon1)}
.qr-box{display:flex;align-items:center;gap:12px;margin-top:14px}
.qr-box img{width:84px;height:84px;object-fit:contain;border-radius:10px;background:#fff;padding:4px;border:1px solid var(--line)}
.qr-box span{font-size:12.6px;color:var(--muted)}
.footer-bottom{
border-top:1px solid rgba(91,60,255,.14);padding-top:18px;
display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
font-size:12.8px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--neon1)}

/* ---------- FLOAT / BACKTOP ---------- */
.float-kf{
position:fixed;right:18px;bottom:88px;z-index:950;
display:flex;flex-direction:column;align-items:center;gap:6px;
}
.float-kf button{
width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;
background:linear-gradient(135deg,var(--neon1),var(--neon3));color:#fff;
font-size:12px;font-weight:800;line-height:1.2;
box-shadow:0 16px 32px -14px rgba(91,60,255,.9);
transition:transform .25s;
}
.float-kf button:hover{transform:translateY(-3px)}
.kf-panel{
position:fixed;right:18px;bottom:154px;z-index:960;width:230px;
background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;
box-shadow:0 26px 50px -26px rgba(18,19,39,.55);
display:none;
}
.kf-panel.show{display:block;animation:kfIn .28s ease}
@keyframes kfIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.kf-panel img{width:100%;border-radius:12px;margin-bottom:10px}
.kf-panel p{font-size:12.6px;color:var(--ink-soft);text-align:center}
#backTop{
position:fixed;right:18px;bottom:24px;z-index:950;
width:54px;height:54px;border-radius:50%;border:1px solid rgba(91,60,255,.25);
background:#fff;color:var(--neon1);font-size:12px;font-weight:800;cursor:pointer;
box-shadow:0 14px 30px -18px rgba(18,19,39,.6);
opacity:0;visibility:hidden;transition:.3s;
}
#backTop.show{opacity:1;visibility:visible}
#backTop:hover{background:var(--neon1);color:#fff}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
.hero-inner{grid-template-columns:1fr;gap:36px}
.metrics-band{grid-template-columns:repeat(2,1fr)}
.service-grid{grid-template-columns:repeat(2,1fr)}
.timeline{grid-template-columns:repeat(2,1fr)}
.process-grid{grid-template-columns:repeat(2,1fr)}
.token-grid{grid-template-columns:repeat(2,1fr)}
.case-grid,.review-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.about-grid{grid-template-columns:1fr}
.network-band{grid-template-columns:1fr}
.form-band{grid-template-columns:1fr}
.join-band{grid-template-columns:1fr}
}
@media (max-width:860px){
.nav-links{
display:none;position:absolute;top:100%;left:0;right:0;
flex-direction:column;align-items:stretch;gap:0;
background:rgba(251,250,255,.98);border-bottom:1px solid rgba(91,60,255,.15);
padding:10px 20px 18px;box-shadow:0 18px 30px -22px rgba(18,19,39,.6);
}
.nav-links.open{display:flex}
.nav-links a{padding:11px 12px}
.nav-wrap{position:relative}
.menu-toggle{display:flex;order:2}
.nav-wrap .nav-cta{order:1;padding:9px 16px;font-size:13px;margin-left:auto}
.brand{order:0}
.site-header .nav-wrap{flex-wrap:wrap}
}
@media (max-width:640px){
.section{padding:52px 0}
.hero{padding:52px 0 46px}
.hero h1{font-size:28px}
.hero-actions .btn{width:100%}
.metrics-band{grid-template-columns:1fr 1fr;gap:12px}
.service-grid,.solution-grid,.timeline,.process-grid,.token-grid,.case-grid,.review-grid,.article-grid{grid-template-columns:1fr}
.about-list{grid-template-columns:1fr}
form.req-form{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr;gap:24px}
.footer-bottom{flex-direction:column;align-items:flex-start}
.compare-wrap,.friend-band,.form-band,.join-band{padding:22px}
.network-band{padding:22px}
.float-kf button,#backTop{width:48px;height:48px;font-size:11px}
.kf-panel{width:200px;right:14px}
}