*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --purple:#7c3aed;
  --purple-deep:#5b21b6;
  --purple-light:#a78bfa;
  --purple-soft:#f3e8ff;
  --purple-glow:#c4b5fd;
  --ink:#1e1b2e;
  --ink-2:#3b3651;
  --ink-3:#625d7a;
  --line:#e9e4f5;
  --paper:#ffffff;
  --paper-soft:#faf7ff;
  --accent:#ec4899;
  --radius:18px;
  --shadow-sm:0 4px 16px rgba(124,58,237,.08);
  --shadow-md:0 12px 36px rgba(91,33,182,.12);
}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(1200px 600px at 8% -8%, #f0e6ff 0%, rgba(240,230,255,0) 60%),
    radial-gradient(1000px 520px at 96% 4%, #ffe4f4 0%, rgba(255,228,244,0) 62%),
    linear-gradient(180deg,#fdfbff 0%,#faf7ff 40%,#f7f2ff 100%);
  background-attachment:fixed;
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px;}
h1,h2,h3,h4{line-height:1.3;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
ul{list-style:none;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);
  background:linear-gradient(90deg,rgba(255,255,255,.94),rgba(250,245,255,.94));
  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 .logo-box{width:40px;height:40px;border-radius:12px;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);}
.brand-name{font-size:18px;font-weight:800;color:var(--purple-deep);white-space:nowrap;}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links a{padding:8px 13px;font-size:14.5px;color:var(--ink-2);font-weight:600;border-radius:10px;transition:color .2s,background .2s;}
.nav-links a:hover{color:var(--purple-deep);background:var(--purple-soft);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  font-family:inherit;font-weight:700;border-radius:12px;transition:transform .18s ease,box-shadow .25s ease,background .25s ease;text-align:center;}
.btn-primary{background:linear-gradient(120deg,var(--purple) 0%,#9d4edd 55%,var(--accent) 130%);color:#fff;
  padding:12px 24px;font-size:15px;box-shadow:0 10px 26px rgba(124,58,237,.34);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(124,58,237,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--purple-deep);padding:11px 22px;font-size:15px;border:1.5px solid var(--purple-glow);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{background:var(--purple-soft);transform:translateY(-2px);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink-2);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);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel.open{display:block;}
.mobile-panel ul{padding:8px 0;}
.mobile-panel a{display:block;padding:12px 22px;font-size:15px;font-weight:600;color:var(--ink-2);}
.mobile-panel a:hover{background:var(--purple-soft);color:var(--purple-deep);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;}
.hero::before{content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 380px at 78% 8%, rgba(236,72,153,.14), transparent 62%),
    radial-gradient(560px 360px at 12% 70%, rgba(124,58,237,.14), transparent 64%);
  pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.22);color:var(--purple-deep);
  font-size:13px;font-weight:700;letter-spacing:.03em;}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(236,72,153,.18);}
.hero h1{font-size:clamp(28px,4vw,46px);margin:20px 0 18px;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;color:var(--purple-deep);position:relative;white-space:nowrap;}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;border-radius:6px;
  background:linear-gradient(90deg,rgba(167,139,250,.45),rgba(236,72,153,.35));z-index:-1;}
.hero p.lead{font-size:16.5px;color:var(--ink-3);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;}
.hero-tags span{font-size:12.5px;font-weight:600;color:var(--purple-deep);background:#fff;
  border:1px solid var(--line);padding:6px 13px;border-radius:999px;box-shadow:var(--shadow-sm);}
.hero-visual{position:relative;display:flex;flex-direction:column;gap:16px;}
.glow-card{background:linear-gradient(150deg,#ffffff 0%,#f8f2ff 100%);border:1px solid var(--line);
  border-radius:22px;padding:22px;box-shadow:var(--shadow-md);position:relative;overflow:hidden;}
.glow-card::after{content:"";position:absolute;width:180px;height:180px;right:-70px;top:-70px;border-radius:50%;
  background:radial-gradient(circle,rgba(236,72,153,.22),transparent 70%);}
.metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.metric-mini{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-sm);}
.metric-mini .num{font-size:22px;font-weight:800;color:var(--purple-deep);letter-spacing:-.02em;}
.metric-mini .lbl{font-size:12.5px;color:var(--ink-3);font-weight:600;}
.glow-card h3{font-size:15px;margin-bottom:6px;}
.glow-card .sub{font-size:13px;color:var(--ink-3);margin-bottom:16px;}
.bar{height:8px;border-radius:6px;background:var(--purple-soft);overflow:hidden;margin:9px 0 14px;}
.bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--purple),var(--accent));}
.model-chips{display:flex;flex-wrap:wrap;gap:7px;}
.model-chips span{font-size:12px;font-weight:600;padding:5px 11px;border-radius:8px;background:var(--purple-soft);color:var(--purple-deep);}

/* ---------- section base ---------- */
.section{padding:66px 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--purple);text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:clamp(23px,3vw,32px);margin-bottom:12px;}
.section-head p{color:var(--ink-3);font-size:15.5px;}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;}
.about-text p{color:var(--ink-2);font-size:15.5px;margin-bottom:14px;}
.about-points{display:grid;gap:12px;margin-top:20px;}
.about-point{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:15px 18px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s;}
.about-point:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.about-point .idx{flex-shrink:0;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--purple),#9d4edd);
  color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;}
.about-point h4{font-size:15px;margin-bottom:2px;}
.about-point p{font-size:13.5px;color:var(--ink-3);margin:0;}
.about-visual{display:flex;flex-direction:column;gap:14px;}
.media-frame{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px;box-shadow:var(--shadow-md);}
.media-frame img{border-radius:12px;width:100%;}
.media-frame .cap{font-size:13px;color:var(--ink-3);text-align:center;padding:8px 4px 2px;}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden;}
.service-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--purple),var(--accent));opacity:0;transition:opacity .25s;}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--purple-glow);}
.service-card:hover::before{opacity:1;}
.service-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(236,72,153,.12));color:var(--purple-deep);margin-bottom:16px;}
.service-icon svg{width:22px;height:22px;}
.service-card h3{font-size:16.5px;margin-bottom:8px;}
.service-card p{font-size:13.8px;color:var(--ink-3);}

/* ---------- workflow timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;position:relative;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step .n{font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--purple),#9d4edd);
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.step h4{font-size:15.5px;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--ink-3);}

/* ---------- industry solution ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.solution{background:linear-gradient(150deg,#fff,#faf5ff);border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;}
.solution:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.solution h3{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.solution h3::before{content:"";width:6px;height:16px;border-radius:4px;background:linear-gradient(180deg,var(--purple),var(--accent));}
.solution p{font-size:13.8px;color:var(--ink-3);margin-bottom:10px;}
.chip-row{display:flex;flex-wrap:wrap;gap:7px;}
.chip-row span{font-size:12px;font-weight:600;padding:4px 10px;border-radius:7px;background:#fff;border:1px solid var(--line);color:var(--purple-deep);}

/* ---------- network ---------- */
.network-wrap{background:linear-gradient(135deg,rgba(124,58,237,.06),rgba(236,72,153,.06));
  border:1px solid var(--line);border-radius:22px;padding:34px;}
.network-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.net-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm);}
.net-item h4{font-size:14.5px;margin-bottom:5px;}
.net-item p{font-size:13px;color:var(--ink-3);}

/* ---------- case ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.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 .25s;display:flex;flex-direction:column;}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.case-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--purple-soft);}
.case-thumb img{width:100%;height:100%;object-fit:contain;}
.case-body{padding:18px 20px;flex:1;display:flex;flex-direction:column;gap:8px;}
.case-body .tag{font-size:11.5px;font-weight:800;letter-spacing:.08em;color:var(--purple);text-transform:uppercase;}
.case-body h3{font-size:15.5px;}
.case-body p{font-size:13.5px;color:var(--ink-3);flex:1;}
.case-split{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin-top:20px;align-items:stretch;}

/* ---------- compare ---------- */
.compare-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow-md);}
.score-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding-bottom:22px;margin-bottom:22px;border-bottom:1px dashed var(--line);}
.score-left h3{font-size:20px;margin-bottom:6px;}
.score-left p{font-size:13.5px;color:var(--ink-3);}
.score-badge{display:flex;align-items:baseline;gap:8px;background:linear-gradient(120deg,rgba(124,58,237,.1),rgba(236,72,153,.1));
  border:1px solid rgba(124,58,237,.24);border-radius:16px;padding:14px 24px;}
.score-badge .val{font-size:38px;font-weight:900;color:var(--purple-deep);line-height:1;letter-spacing:-.03em;}
.score-badge .full{font-size:14px;color:var(--ink-3);font-weight:700;}
.stars{color:#f59e0b;font-size:17px;letter-spacing:2px;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14px;}
thead th{background:var(--purple-soft);color:var(--purple-deep);font-weight:800;text-align:left;
  padding:13px 16px;border-bottom:2px solid var(--purple-glow);white-space:nowrap;}
thead th:first-child{border-top-left-radius:12px;}
thead th:last-child{border-top-right-radius:12px;}
tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
tbody tr:hover td{background:#fcfaff;}
tbody td:first-child{font-weight:700;color:var(--ink);}
.mark-yes{color:#059669;font-weight:800;}
.mark-no{color:#b91c1c;font-weight:700;}

/* ---------- 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:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;position:relative;}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.price-card.feature{border:1.5px solid var(--purple);background:linear-gradient(160deg,#fff,#faf5ff);}
.price-card .plan{font-size:14px;font-weight:800;color:var(--purple-deep);margin-bottom:6px;}
.price-card .desc{font-size:13px;color:var(--ink-3);margin-bottom:16px;min-height:40px;}
.price-line{display:flex;align-items:baseline;gap:6px;margin-bottom:16px;}
.price-line .p{font-size:30px;font-weight:900;color:var(--ink);letter-spacing:-.03em;}
.price-line .u{font-size:13px;color:var(--ink-3);font-weight:600;}
.price-card ul{display:grid;gap:9px;}
.price-card li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;}
.price-card li::before{content:"✓";color:var(--purple);font-weight:900;flex-shrink:0;}
.price-note{font-size:12.5px;color:var(--ink-3);margin-top:16px;text-align:center;}

/* ---------- comments ---------- */
.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.comment-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;transition:transform .25s,box-shadow .25s;}
.comment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.comment-text{font-size:14px;color:var(--ink-2);flex:1;}
.comment-user{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--accent));
  color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.comment-user .name{font-size:14px;font-weight:800;}
.comment-user .role{font-size:12px;color:var(--ink-3);}

/* ---------- 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;box-shadow:var(--shadow-sm);transition:border-color .22s;}
.faq-item.open{border-color:var(--purple-glow);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 22px;background:none;border:none;cursor:pointer;font-family:inherit;font-size:15px;font-weight:700;color:var(--ink);}
.faq-q:hover{color:var(--purple-deep);}
.faq-q .ic{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--purple-soft);color:var(--purple-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;transition:transform .25s,background .25s;}
.faq-item.open .ic{transform:rotate(45deg);background:var(--purple);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-3);}

/* ---------- articles ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.article-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:10px;}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.article-card .cat{font-size:11.5px;font-weight:800;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;}
.article-card h3{font-size:15.5px;}
.article-card p{font-size:13.5px;color:var(--ink-3);flex:1;}
.article-card .more{font-size:13px;font-weight:800;color:var(--purple-deep);}
.article-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;justify-content:center;}
.article-links a{font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--purple-deep);transition:.2s;}
.article-links a:hover{background:var(--purple-soft);transform:translateY(-2px);}

/* ---------- form / contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow-md);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .hint{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
  background:var(--paper-soft);border:1.5px solid var(--line);border-radius:11px;padding:12px 14px;transition:border-color .2s,box-shadow .2s,background .2s;}
.field textarea{resize:vertical;min-height:104px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--purple);background:#fff;box-shadow:0 0 0 4px rgba(124,58,237,.12);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-card .btn-primary{width:100%;margin-top:6px;}
.contact-side{display:flex;flex-direction:column;gap:16px;}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm);}
.contact-box h4{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.contact-box h4::before{content:"";width:5px;height:15px;border-radius:3px;background:linear-gradient(180deg,var(--purple),var(--accent));}
.contact-list{display:grid;gap:11px;}
.contact-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.8px;color:var(--ink-2);align-items:flex-start;}
.contact-list .k{color:var(--ink-3);flex-shrink:0;}
.contact-list .v{font-weight:700;word-break:break-all;text-align:right;}
.qr-box{display:flex;gap:16px;align-items:center;}
.qr-frame{width:104px;flex-shrink:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px;}
.qr-frame img{border-radius:8px;width:100%;}
.qr-text{font-size:13.5px;color:var(--ink-3);}
.qr-text strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px;}

/* ---------- friend links ---------- */
.friend-links{padding:34px 0 0;}
.friend-links h3{font-size:15px;margin-bottom:14px;color:var(--ink-2);}
.link-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.link-cloud a{font-size:13px;font-weight:600;padding:7px 15px;border-radius:9px;background:#fff;
  border:1px solid var(--line);color:var(--ink-2);transition:.2s;}
.link-cloud a:hover{color:var(--purple-deep);border-color:var(--purple-glow);background:var(--purple-soft);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(160deg,#241a3d 0%,#2f2150 55%,#3a1f45 100%);color:#d9d2ec;margin-top:56px;padding:44px 0 24px;}
.footer-top{display:grid;grid-template-columns:1.3fr .9fr .9fr;gap:32px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand .fname{font-size:18px;font-weight:800;color:#fff;margin-bottom:10px;}
.footer-brand p{font-size:13.5px;color:#b9b0d4;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.5px;color:#c3badb;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:#a99fc4;}
.footer-bottom a{color:#d9d2ec;transition:color .2s;}
.footer-bottom a:hover{color:#fff;}

/* ---------- floating ---------- */
.float-stack{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;}
.float-btn{width:48px;height:48px;border-radius:14px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;
  background:#fff;color:var(--purple-deep);box-shadow:0 10px 26px rgba(91,33,182,.22);transition:transform .2s,opacity .25s;font-family:inherit;}
.float-btn:hover{transform:translateY(-3px);}
.float-btn svg{width:22px;height:22px;}
.float-btn.primary{background:linear-gradient(135deg,var(--purple),var(--accent));color:#fff;}
#backTop{opacity:0;pointer-events:none;}
#backTop.show{opacity:1;pointer-events:auto;}
.kefu-pop{position:fixed;right:78px;bottom:80px;z-index:81;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:14px;box-shadow:0 18px 44px rgba(91,33,182,.22);display:none;width:190px;}
.kefu-pop.open{display:block;animation:popIn .22s ease;}
.kefu-pop img{width:100%;border-radius:10px;margin-bottom:8px;}
.kefu-pop .t{font-size:12.5px;color:var(--ink-3);text-align:center;}
@keyframes popIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.vis{opacity:1;transform:translateY(0);}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .nav-links{display:none;}
  .nav-cta .btn-ghost{display:none;}
  .menu-toggle{display:flex;}
  .hero-grid,.about-grid,.contact-grid,.case-split{grid-template-columns:1fr;}
  .service-grid,.case-grid,.price-grid,.comment-grid,.article-grid,.network-grid{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:46px 0;}
  .hero{padding:42px 0 52px;}
  .hero h1 em{white-space:normal;}
  .service-grid,.case-grid,.price-grid,.comment-grid,.article-grid,.network-grid,.solution-grid,.timeline,.metric-row{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .compare-card,.form-card{padding:22px 18px;}
  .score-head{flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .float-stack{right:12px;bottom:14px;}
  .kefu-pop{right:68px;bottom:72px;}
  .qr-box{flex-direction:column;align-items:flex-start;}
  .contact-list li{flex-direction:column;gap:2px;}
  .contact-list .v{text-align:left;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}