*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f5f7ff;
  --ink:#141a2e;
  --ink-soft:#4a5578;
  --line:rgba(90,105,180,.16);
  --card:#ffffff;
  --brand:#5b3df5;
  --brand-2:#00d4c8;
  --brand-3:#ff4fa3;
  --glow:0 0 0 1px rgba(91,61,245,.08),0 18px 40px -18px rgba(91,61,245,.35);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 500px at 8% -5%, rgba(91,61,245,.14), transparent 60%),
    radial-gradient(800px 480px at 96% 4%, rgba(0,212,200,.14), transparent 62%),
    radial-gradient(700px 500px at 50% 40%, rgba(255,79,163,.06), transparent 70%),
    var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{display:block;max-width:100%;height:auto}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;font-weight:600;
  color:var(--brand);
  padding:6px 14px;border-radius:999px;
  background:rgba(91,61,245,.08);
  border:1px solid rgba(91,61,245,.18);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px var(--brand-2)}
h2.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.3;letter-spacing:-.01em;margin:16px 0 12px}
.sec-desc{color:var(--ink-soft);max-width:720px;font-size:15.5px}
.sec-head{max-width:780px;margin-bottom:36px}

/* NAV */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,255,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{max-height:38px;width:auto}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-name span{color:var(--brand)}
.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);font-weight:500;
  border-radius:10px;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:rgba(91,61,245,.08)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--brand),#8a5cff 55%,var(--brand-3));
  box-shadow:0 10px 24px -10px rgba(91,61,245,.75);
  transition:transform .2s,box-shadow .2s;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(91,61,245,.85)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.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{position:relative;overflow:hidden;padding:70px 0 78px}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(560px 320px at 18% 18%, rgba(91,61,245,.22), transparent 65%),
    radial-gradient(520px 320px at 82% 22%, rgba(0,212,200,.20), transparent 65%),
    radial-gradient(600px 380px at 60% 90%, rgba(255,79,163,.14), transparent 68%);
  animation:auraShift 16s ease-in-out infinite alternate;
}
@keyframes auraShift{from{transform:translate3d(-1.5%,-1%,0) scale(1)}to{transform:translate3d(1.5%,1%,0) scale(1.06)}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.22;letter-spacing:-.02em;margin:18px 0 18px;
}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--brand),var(--brand-3) 55%,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:16.5px;color:var(--ink-soft);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:14px;
  font-size:15.5px;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--brand),#7b53ff 50%,var(--brand-3));
  box-shadow:0 16px 34px -14px rgba(91,61,245,.85);
  transition:transform .22s,box-shadow .22s;position:relative;overflow:hidden;
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);animation:sheen 4.5s ease-in-out infinite;
}
@keyframes sheen{0%,60%{left:-120%}85%,100%{left:150%}}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 40px -14px rgba(91,61,245,.9)}
.btn-primary:active{transform:translateY(-1px) scale(.99)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--brand);background:#fff;
  border:1px solid rgba(91,61,245,.3);transition:.22s;
}
.btn-ghost:hover{background:rgba(91,61,245,.06);transform:translateY(-2px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tags span{
  font-size:12.5px;color:var(--ink-soft);padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.75);border:1px solid var(--line);
}
.hero-panel{
  position:relative;border-radius:22px;padding:26px;
  background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(255,255,255,.75));
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--glow);
  backdrop-filter:blur(8px);
  animation:panelFloat 7s ease-in-out infinite;
}
@keyframes panelFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-panel h3{font-size:16px;margin-bottom:16px;letter-spacing:-.01em}
.hero-panel h3 small{display:block;font-size:12.5px;font-weight:500;color:var(--ink-soft);margin-top:4px;letter-spacing:0}
.bar-item{margin-bottom:14px}
.bar-item:last-child{margin-bottom:0}
.bar-top{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-soft);margin-bottom:6px}
.bar-top b{color:var(--ink);font-weight:700}
.bar-track{height:8px;border-radius:999px;background:rgba(91,61,245,.1);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));width:0;transition:width 1.4s cubic-bezier(.2,.7,.3,1)}

/* METRICS */
.metrics{position:relative;z-index:1;margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);
  border-radius:16px;padding:18px 20px;box-shadow:0 14px 30px -22px rgba(20,26,46,.5);
  transition:transform .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-5px);box-shadow:0 22px 40px -24px rgba(91,61,245,.6)}
.metric b{display:block;font-size:24px;letter-spacing:-.02em;background:linear-gradient(100deg,var(--brand),var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{font-size:13px;color:var(--ink-soft)}

/* CARDS */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand-3));
  opacity:0;transition:opacity .25s;
}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 44px -26px rgba(91,61,245,.65);border-color:rgba(91,61,245,.28)}
.card:hover::before{opacity:1}
.card h3{font-size:17px;margin-bottom:8px;letter-spacing:-.01em}
.card p{font-size:14px;color:var(--ink-soft)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.icon-badge{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;color:var(--brand);
  background:linear-gradient(140deg,rgba(91,61,245,.14),rgba(0,212,200,.14));
  margin-bottom:14px;border:1px solid rgba(91,61,245,.16);
}

/* ABOUT */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.about-list{display:grid;gap:12px;margin-top:22px}
.about-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-soft)}
.about-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;margin-top:8px;border-radius:50%;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(91,61,245,.6);
}
.about-media{display:grid;gap:16px}
.about-media .img-box{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff}
.about-media .img-box img{width:100%;height:auto;object-fit:contain;transition:transform .5s}
.about-media .img-box:hover img{transform:scale(1.03)}

/* MODEL TAGS */
.model-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.model-cloud span{
  font-size:13px;padding:7px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-soft);transition:.22s;
}
.model-cloud span:hover{color:var(--brand);border-color:rgba(91,61,245,.45);transform:translateY(-3px);box-shadow:0 12px 24px -18px rgba(91,61,245,.8)}

/* FLOW */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;
  position:relative;transition:.25s;
}
.flow-item::after{
  content:counter(step);counter-increment:step;
  position:absolute;top:-14px;left:22px;width:30px;height:30px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;
  background:linear-gradient(130deg,var(--brand),var(--brand-3));
  box-shadow:0 8px 18px -8px rgba(91,61,245,.9);
}
.flow-item h3{font-size:15.5px;margin:8px 0 6px}
.flow-item p{font-size:13.5px;color:var(--ink-soft)}
.flow-item:hover{transform:translateY(-5px);box-shadow:0 20px 38px -26px rgba(91,61,245,.7)}

/* SCENES */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene{
  background:linear-gradient(150deg,rgba(255,255,255,.96),rgba(245,247,255,.9));
  border:1px solid var(--line);border-radius:16px;padding:22px;transition:.25s;
}
.scene h3{font-size:15.5px;display:flex;align-items:center;gap:8px;margin-bottom:8px}
.scene h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 10px var(--brand-3)}
.scene p{font-size:13.5px;color:var(--ink-soft)}
.scene:hover{transform:translateY(-4px);border-color:rgba(91,61,245,.3);box-shadow:0 20px 36px -26px rgba(91,61,245,.6)}

/* CASE */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s}
.case-card:hover{transform:translateY(-5px);box-shadow:0 24px 44px -26px rgba(91,61,245,.6)}
.case-thumb{background:linear-gradient(140deg,rgba(91,61,245,.1),rgba(0,212,200,.12));padding:10px;display:flex;justify-content:center}
.case-thumb img{width:100%;max-height:210px;object-fit:contain}
.case-body{padding:18px 20px 22px}
.case-body h3{font-size:15.5px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--ink-soft)}

/* TABLE */
.table-scroll{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:660px}
th,td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
th{background:rgba(91,61,245,.07);font-weight:700;color:var(--ink);white-space:nowrap}
td{color:var(--ink-soft)}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .2s}
tbody tr:hover{background:rgba(91,61,245,.04)}
.score-pill{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--brand);font-size:15px}
.stars{color:#ffb020;letter-spacing:2px;font-size:15px}

/* REVIEW */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.25s;display:flex;flex-direction:column;gap:12px}
.review:hover{transform:translateY(-5px);box-shadow:0 22px 40px -26px rgba(91,61,245,.6)}
.review p{font-size:14px;color:var(--ink-soft);flex:1}
.review-user{display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(130deg,var(--brand),var(--brand-3));flex-shrink:0}
.review-user b{font-size:14px;display:block}
.review-user span{font-size:12.5px;color:var(--ink-soft)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:rgba(91,61,245,.4);box-shadow:0 18px 36px -26px rgba(91,61,245,.7)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:15px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;
}
.faq-q .plus{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:rgba(91,61,245,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:transform .3s,background .3s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 18px;font-size:14px;color:var(--ink-soft)}

/* FORM */
.form-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 26px 50px -34px rgba(91,61,245,.7)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card p.hint{font-size:13.5px;color:var(--ink-soft);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:14px;font-family:inherit;color:var(--ink);
  background:#fbfcff;border:1px solid var(--line);border-radius:11px;transition:.2s;
}
.field textarea{resize:vertical;min-height:104px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(91,61,245,.13)}
.submit-btn{
  width:100%;padding:14px;border:none;border-radius:12px;cursor:pointer;
  font-size:15px;font-weight:700;color:#fff;font-family:inherit;
  background:linear-gradient(120deg,var(--brand),#7b53ff 55%,var(--brand-3));
  box-shadow:0 16px 30px -14px rgba(91,61,245,.85);transition:.22s;
}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 22px 38px -14px rgba(91,61,245,.9)}
.submit-btn:active{transform:translateY(0) scale(.995)}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
.contact-card h3{font-size:19px;margin-bottom:18px}
.contact-row{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px}
.contact-row:last-of-type{border-bottom:none}
.contact-row b{flex-shrink:0;width:78px;color:var(--ink);font-weight:700}
.contact-row span{color:var(--ink-soft);word-break:break-all}
.qr-box{margin-top:18px;display:flex;align-items:center;gap:16px;background:rgba(91,61,245,.05);border:1px solid rgba(91,61,245,.15);border-radius:14px;padding:14px}
.qr-box img{width:96px;height:96px;object-fit:contain;border-radius:10px;background:#fff;padding:4px}
.qr-box div{font-size:13.5px;color:var(--ink-soft)}
.qr-box div b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:4px}

/* ARTICLES */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.article{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;
  transition:.22s;font-size:14.5px;font-weight:600;
}
.article:hover{transform:translateX(5px);border-color:rgba(91,61,245,.35);box-shadow:0 18px 34px -26px rgba(91,61,245,.7);color:var(--brand)}
.article span{color:var(--brand);flex-shrink:0;font-size:13px}

/* TOKEN & PRICE */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;transition:.25s;display:flex;flex-direction:column}
.price-card.featured{border-color:rgba(91,61,245,.5);box-shadow:0 24px 46px -30px rgba(91,61,245,.75);background:linear-gradient(165deg,#fff,rgba(91,61,245,.05))}
.price-card:hover{transform:translateY(-6px);box-shadow:0 24px 44px -28px rgba(91,61,245,.7)}
.price-card h3{font-size:16px;margin-bottom:6px}
.price-card .price-num{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--brand);margin:10px 0 4px}
.price-card .price-num small{font-size:13px;font-weight:500;color:var(--ink-soft)}
.price-card ul{margin-top:15px;display:grid;gap:9px}
.price-card li{font-size:13.5px;color:var(--ink-soft);display:flex;gap:8px}
.price-card li::before{content:"✓";color:var(--brand-2);font-weight:800}

/* TIMELINE / NETWORK */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.net-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;transition:.22s}
.net-item:hover{transform:translateY(-4px);border-color:rgba(91,61,245,.32);box-shadow:0 18px 34px -26px rgba(91,61,245,.7)}
.net-item b{display:block;font-size:15px;margin-bottom:4px}
.net-item span{font-size:13px;color:var(--ink-soft)}

/* JOIN */
.join-band{
  position:relative;overflow:hidden;border-radius:22px;padding:44px 40px;
  background:linear-gradient(120deg,#241a5c,#3b2a9e 45%,#5b3df5);
  color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
}
.join-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 220px at 12% 20%,rgba(0,212,200,.35),transparent 62%),radial-gradient(380px 220px at 88% 80%,rgba(255,79,163,.35),transparent 62%);
  pointer-events:none;
}
.join-band > *{position:relative;z-index:1}
.join-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:8px;letter-spacing:-.01em}
.join-band p{font-size:14.5px;color:rgba(255,255,255,.82);max-width:600px}
.join-band .btn-primary{background:#fff;color:var(--brand);box-shadow:0 18px 34px -16px rgba(0,0,0,.5)}
.join-band .btn-primary::after{display:none}
.join-band .btn-primary:hover{box-shadow:0 24px 42px -16px rgba(0,0,0,.6)}

/* FRIEND LINKS */
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{
  font-size:13px;padding:7px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-soft);transition:.2s;
}
.friend-links a:hover{color:var(--brand);border-color:rgba(91,61,245,.45);transform:translateY(-2px)}

/* FOOTER */
.site-footer{background:#101632;color:#c7cde4;padding:52px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:36px}
.site-footer h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.site-footer p{font-size:13.5px;color:#9aa3c4;line-height:1.8}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a{font-size:13.5px;color:#9aa3c4;transition:color .2s}
.site-footer ul a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand img{max-height:34px;width:auto}
.footer-brand b{color:#fff;font-size:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#8a93b5;
}
.footer-bottom a{color:#a9b2d2}
.footer-bottom a:hover{color:#fff}

/* FLOAT */
.float-stack{position:fixed;right:18px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{
  width:48px;height:48px;border-radius:14px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;
  background:linear-gradient(130deg,var(--brand),var(--brand-3));
  box-shadow:0 14px 28px -12px rgba(91,61,245,.85);
  transition:transform .22s,box-shadow .22s;
}
.float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 20px 34px -12px rgba(91,61,245,.95)}
#backTop{opacity:0;pointer-events:none;transition:opacity .3s,transform .22s}
#backTop.show{opacity:1;pointer-events:auto}
.kefu-panel{
  position:fixed;right:18px;bottom:80px;z-index:71;width:230px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;
  box-shadow:0 28px 60px -28px rgba(20,26,46,.55);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:.28s;
}
.kefu-panel.show{opacity:1;transform:translateY(0);pointer-events:auto}
.kefu-panel h4{font-size:14.5px;margin-bottom:10px}
.kefu-panel img{width:100%;border-radius:10px;margin-bottom:10px}
.kefu-panel p{font-size:12.5px;color:var(--ink-soft);line-height:1.7}

/* REVEAL */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-panel{max-width:520px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .grid-3,.scene-grid,.case-grid,.review-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
  .grid-4,.flow,.net-grid{grid-template-columns:repeat(2,1fr)}
  .about-wrap,.form-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{
    position:absolute;top:70px;left:0;right:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 20px 18px;display:none;box-shadow:0 20px 30px -22px rgba(20,26,46,.5);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 10px;border-radius:10px}
  .menu-toggle{display:flex}
  .nav-cta{display:none}
  .section{padding:52px 0}
  .hero{padding:44px 0 56px}
  .grid-3,.scene-grid,.case-grid,.review-grid,.price-grid,.grid-4,.flow,.net-grid,.article-list{grid-template-columns:1fr}
  .join-band{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-panel{padding:22px}
  .form-card,.contact-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}