:root{
  --violet-900:#2c1a5e;
  --violet-800:#3b2380;
  --violet-700:#5a2fb0;
  --violet-600:#7038d8;
  --violet-500:#8b4ff0;
  --violet-400:#a878f5;
  --violet-200:#ddceff;
  --violet-100:#efe7ff;
  --violet-50:#f8f4ff;
  --ink:#1d1533;
  --ink-soft:#453a63;
  --ink-muted:#6c6188;
  --line:#e6dcfb;
  --gold:#f2b544;
  --card:#ffffff;
  --radius:18px;
  --shadow-sm:0 2px 10px rgba(88,44,176,.07);
  --shadow-md:0 10px 30px rgba(88,44,176,.10);
  --shadow-lg:0 18px 50px rgba(88,44,176,.16);
  --maxw:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1100px 620px at 12% -6%, #f3ecff 0%, rgba(243,236,255,0) 60%),
    radial-gradient(1000px 560px at 92% 4%, #efe6ff 0%, rgba(239,230,255,0) 58%),
    linear-gradient(180deg,#fbf9ff 0%,#f7f3ff 40%,#f5f1ff 100%);
  min-height:100vh;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;font-weight:800;letter-spacing:.2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ============ NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  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:68px;flex-wrap:nowrap;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .logo-box{width:38px;height:38px;border-radius:11px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--violet-50);border:1px solid var(--line)}
.brand .logo-box img{width:100%;height:100%;object-fit:contain}
.brand-name{font-size:1.12rem;font-weight:800;color:var(--violet-800);letter-spacing:.5px}
.brand-tag{display:block;font-size:.66rem;font-weight:500;color:var(--ink-muted);letter-spacing:1.6px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  padding:8px 11px;font-size:.9rem;font-weight:600;color:var(--ink-soft);
  border-radius:9px;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--violet-700);background:var(--violet-50)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 22px;border-radius:11px;font-size:.92rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .22s,background .22s,color .22s;
  line-height:1.2;text-align:center;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--violet-600),var(--violet-500) 55%,#9b63f5);
  box-shadow:0 8px 22px rgba(112,56,216,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(112,56,216,.38)}
.btn-ghost{
  color:var(--violet-700);background:#fff;border-color:var(--violet-200);
}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--violet-400)}
.btn-sm{padding:9px 16px;font-size:.85rem;border-radius:9px}
.nav-toggle{
  display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--violet-700);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:74px 0 66px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 320px at 82% 12%, rgba(139,79,240,.16), transparent 65%),
    radial-gradient(460px 300px at 8% 78%, rgba(168,120,245,.14), transparent 62%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;
  gap:44px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:.78rem;font-weight:700;
  color:var(--violet-700);background:rgba(255,255,255,.85);
  border:1px solid var(--violet-200);box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--violet-600);box-shadow:0 0 0 4px rgba(112,56,216,.16);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(112,56,216,.16)}50%{box-shadow:0 0 0 9px rgba(112,56,216,.05)}}
.hero h1{font-size:2.85rem;line-height:1.22;letter-spacing:.5px}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--violet-700),var(--violet-500) 50%,#b07dff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{margin:22px 0 30px;font-size:1.04rem;color:var(--ink-soft);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stat{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:14px;
  padding:12px 18px;box-shadow:var(--shadow-sm);min-width:132px;
}
.hero-stat strong{display:block;font-size:1.28rem;color:var(--violet-700);font-weight:800}
.hero-stat span{font-size:.8rem;color:var(--ink-muted);font-weight:600}

/* hero visual: pure css, no images */
.hero-visual{position:relative;min-height:380px;display:flex;align-items:center;justify-content:center}
.orb{
  position:relative;width:100%;max-width:420px;aspect-ratio:1/1;border-radius:28px;
  background:linear-gradient(150deg,rgba(255,255,255,.92),rgba(240,232,255,.92));
  border:1px solid var(--violet-200);
  box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;justify-content:center;gap:14px;padding:26px;
  overflow:hidden;
}
.orb::after{
  content:"";position:absolute;width:240px;height:240px;border-radius:50%;
  right:-70px;top:-70px;background:radial-gradient(circle,rgba(139,79,240,.28),transparent 70%);
  animation:float 7s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-14px,16px)}}
.model-chip{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 15px;border-radius:12px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);font-size:.86rem;font-weight:700;color:var(--ink-soft);
  position:relative;z-index:1;
}
.model-chip b{color:var(--violet-700);font-weight:800}
.model-chip .tag{font-size:.7rem;padding:2px 8px;border-radius:999px;background:var(--violet-50);color:var(--violet-700);font-weight:700}
.visual-note{position:relative;z-index:1;font-size:.8rem;color:var(--ink-muted);text-align:center;font-weight:600}

/* ============ SECTION ============ */
.section{padding:60px 0;position:relative}
.section-head{max-width:720px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:2px;
  color:var(--violet-600);margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:2rem;letter-spacing:.3px}
.section-head p{margin-top:12px;color:var(--ink-muted);font-size:.98rem}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}
.about-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .28s;
}
.about-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.about-card h3{font-size:1.18rem;margin-bottom:14px}
.about-card p{color:var(--ink-soft);font-size:.95rem;margin-bottom:12px}
.about-list{display:grid;gap:10px;margin-top:6px}
.about-list li{display:flex;gap:10px;font-size:.92rem;color:var(--ink-soft);align-items:flex-start}
.check{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:3px;
  background:linear-gradient(135deg,var(--violet-600),var(--violet-400));
  position:relative;
}
.check::after{content:"";position:absolute;left:5px;top:2.5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(42deg)}
.model-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.model-cloud span{
  font-size:.78rem;font-weight:600;color:var(--violet-700);
  background:var(--violet-50);border:1px solid var(--violet-200);
  padding:5px 11px;border-radius:999px;transition:.2s;
}
.model-cloud span:hover{background:var(--violet-600);color:#fff;border-color:var(--violet-600)}

/* ============ SERVICE CARDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .25s,box-shadow .28s,border-color .25s;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--violet-600),var(--violet-400));
  transition:width .4s ease;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--violet-200)}
.svc-card:hover::before{width:100%}
.svc-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--violet-50),#fff);
  border:1px solid var(--violet-200);color:var(--violet-700);margin-bottom:16px;
}
.svc-icon svg{width:23px;height:23px}
.svc-card h3{font-size:1.06rem;margin-bottom:9px}
.svc-card p{font-size:.9rem;color:var(--ink-muted)}

/* ============ DATA CARDS ============ */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:linear-gradient(160deg,#fff,var(--violet-50));
  border:1px solid var(--line);border-radius:16px;padding:24px 20px;
  box-shadow:var(--shadow-sm);text-align:center;transition:transform .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.metric strong{display:block;font-size:1.9rem;font-weight:800;color:var(--violet-700);letter-spacing:.5px}
.metric span{font-size:.85rem;color:var(--ink-muted);font-weight:600}

/* ============ FLOW ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 18px;
  box-shadow:var(--shadow-sm);position:relative;transition:transform .25s,box-shadow .25s;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.flow-num{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:.92rem;margin-bottom:14px;
  background:linear-gradient(135deg,var(--violet-700),var(--violet-500));
}
.flow-step h3{font-size:.98rem;margin-bottom:7px}
.flow-step p{font-size:.84rem;color:var(--ink-muted)}

/* ============ INDUSTRY ============ */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.industry{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.industry:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--violet-200)}
.industry h3{font-size:1rem;margin-bottom:8px;color:var(--violet-800)}
.industry p{font-size:.86rem;color:var(--ink-muted)}

/* ============ COMPARE TABLE ============ */
.rating-panel{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;margin-bottom:30px;align-items:stretch;
}
.score-card{
  background:linear-gradient(155deg,var(--violet-800),var(--violet-600) 60%,var(--violet-500));
  border-radius:var(--radius);padding:32px;color:#fff;box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;
}
.score-card::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  right:-90px;bottom:-110px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);
}
.score-card .sc-kicker{font-size:.78rem;letter-spacing:2px;opacity:.86;font-weight:700}
.score-card .score{font-size:3.6rem;font-weight:800;line-height:1.05;margin:6px 0}
.score-card .score small{font-size:1.15rem;font-weight:600;opacity:.85}
.stars{display:flex;gap:4px;margin:8px 0 14px;color:var(--gold)}
.stars svg{width:20px;height:20px}
.score-card p{font-size:.9rem;opacity:.92;position:relative;z-index:1}
.adv-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);display:grid;gap:12px;grid-template-columns:1fr 1fr;
}
.adv-list li{display:flex;gap:9px;align-items:flex-start;font-size:.9rem;color:var(--ink-soft);font-weight:600}
.adv-list .check{margin-top:3px}

.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow-x:auto;
}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{
  background:linear-gradient(180deg,var(--violet-50),#fff);
  color:var(--violet-800);font-size:.88rem;text-align:left;padding:15px 18px;
  border-bottom:1px solid var(--line);font-weight:800;white-space:nowrap;
}
tbody td{padding:14px 18px;font-size:.88rem;color:var(--ink-soft);border-bottom:1px solid #f2ecfd}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--violet-50)}
td.hl{color:var(--violet-700);font-weight:800}
td.muted{color:var(--ink-muted)}

/* ============ CASES ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .28s;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-img{background:var(--violet-50);overflow:hidden;aspect-ratio:16/10;border-bottom:1px solid var(--line)}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-img.square{aspect-ratio:4/3}
.case-img.square img{object-fit:contain;background:var(--violet-50)}
.case-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-body h3{font-size:1.02rem}
.case-body p{font-size:.87rem;color:var(--ink-muted);flex:1}
.case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.case-meta span{font-size:.74rem;font-weight:700;color:var(--violet-700);background:var(--violet-50);padding:4px 10px;border-radius:999px;border:1px solid var(--violet-200)}

/* ============ TOKEN PRICE ============ */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.token-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .28s;
  display:flex;flex-direction:column;gap:6px;
}
.token-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.token-card.featured{
  background:linear-gradient(165deg,#fff,var(--violet-50));
  border-color:var(--violet-400);box-shadow:var(--shadow-lg);position:relative;
}
.token-card.featured::before{
  content:"推荐";position:absolute;top:16px;right:16px;font-size:.72rem;font-weight:800;
  color:#fff;background:linear-gradient(135deg,var(--violet-700),var(--violet-500));
  padding:4px 12px;border-radius:999px;
}
.token-card h3{font-size:1.05rem;color:var(--violet-800)}
.token-card .price{font-size:2rem;font-weight:800;color:var(--violet-700);margin:6px 0 2px}
.token-card .price small{font-size:.82rem;color:var(--ink-muted);font-weight:600}
.token-card ul{display:grid;gap:8px;margin:12px 0 18px}
.token-card ul li{font-size:.86rem;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start}
.token-card .btn{margin-top:auto;width:100%}

/* ============ REVIEWS ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .28s;
  display:flex;flex-direction:column;gap:12px;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.review .quote{font-size:.94rem;color:var(--ink-soft);flex:1}
.review .who{display:flex;align-items:center;gap:12px;border-top:1px solid #f2ecfd;padding-top:14px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:.9rem;
  background:linear-gradient(135deg,var(--violet-700),var(--violet-400));
}
.who b{display:block;font-size:.9rem;color:var(--ink)}
.who span{font-size:.78rem;color:var(--ink-muted)}
.rv-stars{display:flex;gap:3px;color:var(--gold)}
.rv-stars svg{width:15px;height:15px}

/* ============ NETWORK / TIMELINE ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.network-list{display:grid;gap:14px}
.net-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  box-shadow:var(--shadow-sm);display:flex;gap:14px;align-items:flex-start;transition:.25s;
}
.net-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:var(--violet-200)}
.net-badge{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--violet-50);border:1px solid var(--violet-200);color:var(--violet-700);font-weight:800;font-size:.85rem;
}
.net-item h3{font-size:.94rem;margin-bottom:4px}
.net-item p{font-size:.84rem;color:var(--ink-muted)}
.timeline{position:relative;padding-left:26px;display:grid;gap:20px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--violet-400),var(--violet-100))}
.tl-item{position:relative}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--violet-500);box-shadow:0 0 0 4px var(--violet-50);
}
.tl-item h3{font-size:.98rem;margin-bottom:5px;color:var(--violet-800)}
.tl-item p{font-size:.86rem;color:var(--ink-muted)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:border-color .25s,box-shadow .25s;
}
.faq-item.open{border-color:var(--violet-400);box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:.98rem;font-weight:700;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:inherit;transition:color .2s;
}
.faq-q:hover{color:var(--violet-700)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;position:relative;
  background:var(--violet-50);border:1px solid var(--violet-200);transition:transform .3s,background .3s;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--violet-700);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:opacity .25s}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--violet-600)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:.9rem;color:var(--ink-muted)}

/* ============ FORM ============ */
.form-panel{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;
  background:linear-gradient(160deg,#fff,var(--violet-50));
  border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow-md);
}
.form-side h3{font-size:1.3rem;margin-bottom:14px;color:var(--violet-800)}
.form-side p{font-size:.92rem;color:var(--ink-soft);margin-bottom:20px}
.contact-line{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:.9rem;color:var(--ink-soft)}
.contact-line .ci{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--violet-200);color:var(--violet-700);
}
.contact-line svg{width:17px;height:17px}
.contact-line b{display:block;font-size:.82rem;color:var(--ink-muted);font-weight:600}
.qr-box{margin-top:18px;display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.qr-box img{width:88px;height:88px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.qr-box span{font-size:.82rem;color:var(--ink-muted);font-weight:600}

form{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:700;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.9rem;color:var(--ink);
  padding:11px 14px;border-radius:10px;border:1px solid var(--line);
  background:#fff;transition:border-color .2s,box-shadow .2s;width:100%;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--violet-500);box-shadow:0 0 0 3px rgba(112,56,216,.13);
}
.form-note{grid-column:1/-1;font-size:.78rem;color:var(--ink-muted)}
form .btn{grid-column:1/-1;justify-self:start;padding:12px 34px}

/* ============ ARTICLES ============ */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .28s;display:flex;flex-direction:column;gap:10px;
}
.article:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.article .a-tag{font-size:.74rem;font-weight:800;color:var(--violet-700);background:var(--violet-50);padding:4px 10px;border-radius:999px;align-self:flex-start}
.article h3{font-size:.98rem}
.article p{font-size:.85rem;color:var(--ink-muted);flex:1}
.article a.more{font-size:.84rem;font-weight:800;color:var(--violet-700);display:inline-flex;align-items:center;gap:5px;transition:gap .2s}
.article a.more:hover{gap:9px}

/* ============ LINKS / FOOTER ============ */
.friend-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.friend-links a{
  font-size:.84rem;font-weight:600;color:var(--ink-soft);background:#fff;
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;transition:.2s;
}
.friend-links a:hover{color:#fff;background:var(--violet-600);border-color:var(--violet-600);transform:translateY(-2px)}

.site-footer{
  margin-top:20px;background:linear-gradient(180deg,var(--violet-900),#241452);
  color:#e3dafb;padding:52px 0 26px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;width:480px;height:480px;border-radius:50%;
  left:-160px;top:-200px;background:radial-gradient(circle,rgba(139,79,240,.30),transparent 68%);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;position:relative;z-index:1}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-box{width:38px;height:38px;border-radius:11px;overflow:hidden;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center}
.footer-brand .logo-box img{width:100%;height:100%;object-fit:contain}
.footer-brand b{font-size:1.08rem;color:#fff;font-weight:800}
.site-footer p{font-size:.86rem;color:#c9bced;line-height:1.8}
.footer-col h3{font-size:.92rem;color:#fff;margin-bottom:16px;font-weight:800;letter-spacing:.5px}
.footer-col ul{display:grid;gap:9px}
.footer-col ul li a{font-size:.85rem;color:#c9bced;transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.8rem;color:#b8a8e0;position:relative;z-index:1;
}
.footer-bottom a{color:#d8cbf5}
.footer-bottom a:hover{color:#fff}

/* ============ FLOAT / BACKTOP ============ */
.float-cs{
  position:fixed;right:18px;bottom:96px;z-index:70;
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--violet-600),var(--violet-400));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(112,56,216,.40);
  transition:transform .22s,box-shadow .22s;
}
.float-cs:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 18px 34px rgba(112,56,216,.48)}
.float-cs svg{width:24px;height:24px}
.cs-pop{
  position:fixed;right:18px;bottom:164px;z-index:70;width:250px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;
  box-shadow:var(--shadow-lg);opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s,transform .25s;
}
.cs-pop.show{opacity:1;transform:none;pointer-events:auto}
.cs-pop h4{font-size:.92rem;margin-bottom:10px;color:var(--violet-800)}
.cs-pop p{font-size:.8rem;color:var(--ink-muted);margin-bottom:8px;line-height:1.7}
.cs-pop img{width:100%;border-radius:10px;border:1px solid var(--line);margin-top:6px}
.back-top{
  position:fixed;right:18px;bottom:26px;z-index:70;width:56px;height:56px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--violet-700);cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;
}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{background:var(--violet-600);color:#fff;border-color:var(--violet-600)}
.back-top svg{width:20px;height:20px}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{min-height:auto;order:2}
  .hero h1{font-size:2.4rem}
  .grid-3,.case-grid,.review-grid,.token-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
  .metric-row{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.split,.rating-panel,.form-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;
    padding:10px 16px 18px;gap:0;
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-bottom:1px solid #f5f0ff;border-radius:0;width:100%}
  .nav-links a:last-child{border-bottom:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-ghost{display:none}
  .site-header .nav-wrap{position:relative}
}
@media (max-width:720px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .hero{padding:48px 0 42px}
  .hero h1{font-size:2rem}
  .hero-desc{font-size:.96rem}
  .section-head h2{font-size:1.55rem}
  .grid-3,.case-grid,.review-grid,.token-grid,.article-grid,.industry-grid,.metric-row{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .adv-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-panel{padding:24px}
  form{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:10px}
  .hero-stat{flex:1 1 44%;min-width:0}
  .score-card{padding:26px}
  .score-card .score{font-size:2.9rem}
}
@media (max-width:460px){
  .flow{grid-template-columns:1fr}
  .brand-tag{display:none}
  .hero h1{font-size:1.72rem}
  .nav-actions .btn-sm{padding:8px 12px;font-size:.8rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}