*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#141824;
  --ink-2:#3a4053;
  --ink-3:#6b7286;
  --line:#e6e3dc;
  --bg:#fffdf8;
  --bg-soft:#f7f4ec;
  --violet:#4b2af0;
  --violet-d:#3113c4;
  --lime:#c3f53c;
  --coral:#ff5d3b;
  --sky:#0bd3d3;
  --r-lg:22px;
  --r-md:14px;
  --r-sm:10px;
  --sh:0 10px 34px rgba(20,24,36,.09);
  --sh-h:0 18px 44px rgba(75,42,240,.18);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%,rgba(195,245,60,.30),transparent 60%),
    radial-gradient(900px 460px at 96% 4%,rgba(75,42,240,.16),transparent 62%),
    linear-gradient(180deg,#fffdf8 0%,#f8f5ee 46%,#fdf9f0 100%);
  background-attachment:fixed;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
li{list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
section{position:relative}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,253,248,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(20,24,36,.07);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:72px;flex-wrap:nowrap;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{max-width:132px!important;width:auto;height:auto}
.brand-text{font-weight:800;font-size:18px;letter-spacing:.5px;white-space:nowrap}
.brand-text span{color:var(--violet)}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  display:inline-block;font-size:14px;font-weight:600;color:var(--ink-2);
  padding:8px 11px;border-radius:9px;position:relative;transition:.24s;
}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;
  background:var(--violet);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .26s;
}
.nav-links a:hover{color:var(--violet);background:rgba(75,42,240,.06)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  background:var(--ink);color:#fff!important;font-size:14px;font-weight:700;
  padding:11px 20px;border-radius:999px;transition:.26s;flex-shrink:0;
}
.nav-cta:hover{background:var(--violet);transform:translateY(-2px);box-shadow:var(--sh-h)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1.5px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-shrink:0;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.open span{background:transparent}
.menu-toggle.open span::before{top:0;transform:rotate(45deg)}
.menu-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* ===== Hero ===== */
.hero{padding:64px 0 76px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--ink);
  font-size:13px;font-weight:800;padding:7px 16px;border-radius:999px;
  letter-spacing:.4px;margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--violet);display:block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.5)}}
h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:900;letter-spacing:-.5px;
  margin-bottom:20px;
}
h1 em{
  font-style:normal;color:var(--violet);position:relative;
  display:inline-block;
}
h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:9px;
  background:rgba(195,245,60,.75);z-index:-1;border-radius:4px;
}
.hero-desc{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:28px}
.hero-desc b{color:var(--ink);font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:800;padding:15px 30px;border-radius:999px;
  cursor:pointer;border:2px solid transparent;transition:.26s;
}
.btn-primary{background:var(--violet);color:#fff;box-shadow:0 12px 26px rgba(75,42,240,.28)}
.btn-primary:hover{background:var(--violet-d);transform:translateY(-3px);box-shadow:0 18px 36px rgba(75,42,240,.34)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-3px)}
.btn-ghost:active,.btn-primary:active{transform:translateY(0) scale(.98)}
.hero-tags-list{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags-list span{
  font-size:12.5px;font-weight:700;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  transition:.24s;
}
.hero-tags-list span:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}

/* hero visual panel (CSS only, no images) */
.hero-panel{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:28px;padding:26px;box-shadow:var(--sh);
  overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(195,245,60,.55),transparent 70%);
  top:-90px;right:-70px;
}
.hero-panel::after{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(75,42,240,.20),transparent 70%);
  bottom:-80px;left:-60px;
}
.panel-title{font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--ink-3);margin-bottom:16px;position:relative;z-index:1}
.metric-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1}
.metric-card{
  background:var(--bg-soft);border-radius:var(--r-md);padding:16px 15px;
  border:1px solid transparent;transition:.26s;
}
.metric-card:hover{background:#fff;border-color:var(--violet);transform:translateY(-3px);box-shadow:0 12px 24px rgba(75,42,240,.12)}
.metric-card .num{font-size:23px;font-weight:900;color:var(--violet);line-height:1.2}
.metric-card .num small{font-size:13px;font-weight:800;color:var(--coral)}
.metric-card .lbl{font-size:12.5px;color:var(--ink-3);font-weight:600;margin-top:3px}
.model-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;position:relative;z-index:1}
.model-chips span{
  font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:6px;
  background:rgba(75,42,240,.08);color:var(--violet-d);
}

/* ===== Section shell ===== */
.sec{padding:70px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-tag{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1.4px;
  color:var(--violet);text-transform:uppercase;margin-bottom:12px;
  padding-left:30px;position:relative;
}
.sec-tag::before{content:"";position:absolute;left:0;top:50%;width:20px;height:3px;background:var(--lime);border-radius:2px;transform:translateY(-50%)}
h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;line-height:1.26;letter-spacing:-.3px;margin-bottom:14px}
.sec-head p{color:var(--ink-2);font-size:15.5px}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.9,.3,1),transform .7s cubic-bezier(.22,.9,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ===== About / platform intro ===== */
.about-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--sh)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.about-list{display:grid;gap:14px}
.about-item{display:flex;gap:14px;padding:14px;border-radius:var(--r-md);transition:.26s;border:1px solid transparent}
.about-item:hover{background:var(--bg-soft);border-color:var(--line)}
.about-num{
  flex-shrink:0;width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:var(--lime);font-weight:900;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.about-item h3{font-size:15.5px;font-weight:800;margin-bottom:3px}
.about-item p{font-size:13.5px;color:var(--ink-3);line-height:1.6}

/* ===== Service cards ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;transition:.3s;position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:10px;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--violet),var(--lime));
  transform:scaleX(0);transform-origin:left;transition:transform .34s;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--sh-h);border-color:rgba(75,42,240,.28)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#fff;background:var(--violet);
}
.svc-card:nth-child(2n) .svc-ico{background:var(--coral)}
.svc-card:nth-child(3n) .svc-ico{background:var(--ink);color:var(--lime)}
.svc-card:nth-child(4n) .svc-ico{background:var(--sky);color:var(--ink)}
.svc-card h3{font-size:17px;font-weight:800}
.svc-card p{font-size:13.8px;color:var(--ink-3);line-height:1.68}
.svc-more{font-size:13px;font-weight:800;color:var(--violet);margin-top:auto;padding-top:6px}
.svc-more::after{content:" →";transition:.24s;display:inline-block}
.svc-card:hover .svc-more::after{transform:translateX(4px)}

/* ===== One-stop workflow ===== */
.flow-wrap{
  background:linear-gradient(135deg,#141824 0%,#2b1d6e 100%);
  border-radius:var(--r-lg);padding:44px 38px;color:#fff;position:relative;overflow:hidden;
}
.flow-wrap::before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(195,245,60,.24),transparent 70%);
  right:-100px;top:-120px;
}
.flow-wrap h2{color:#fff;position:relative;z-index:1}
.flow-wrap .sec-tag{color:var(--lime)}
.flow-wrap .sec-tag::before{background:var(--lime)}
.flow-wrap .sec-head p{color:rgba(255,255,255,.72)}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative;z-index:1}
.flow-step{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:20px 18px;transition:.28s;
}
.flow-step:hover{background:rgba(195,245,60,.14);border-color:var(--lime);transform:translateY(-4px)}
.flow-step .st{font-size:12px;font-weight:900;color:var(--lime);letter-spacing:1.4px;margin-bottom:8px}
.flow-step h3{font-size:15.5px;font-weight:800;margin-bottom:6px;color:#fff}
.flow-step p{font-size:13px;color:rgba(255,255,255,.68);line-height:1.6}

/* ===== Industry solutions ===== */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ind-card{
  border-radius:var(--r-md);padding:24px 22px;background:#fff;
  border:1px solid var(--line);border-left:5px solid var(--violet);
  transition:.28s;
}
.ind-card:nth-child(2){border-left-color:var(--coral)}
.ind-card:nth-child(3){border-left-color:var(--lime)}
.ind-card:nth-child(4){border-left-color:var(--sky)}
.ind-card:nth-child(5){border-left-color:var(--ink)}
.ind-card:nth-child(6){border-left-color:var(--violet)}
.ind-card:hover{transform:translateX(4px);box-shadow:var(--sh)}
.ind-card h3{font-size:16px;font-weight:800;margin-bottom:8px}
.ind-card p{font-size:13.6px;color:var(--ink-3);line-height:1.66}

/* ===== Network ===== */
.net-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.net-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;text-align:center;transition:.26s}
.net-card:hover{border-color:var(--violet);transform:translateY(-4px);box-shadow:var(--sh)}
.net-card .nd{font-size:22px;font-weight:900;color:var(--violet);margin-bottom:6px}
.net-card h3{font-size:14.5px;font-weight:800;margin-bottom:4px}
.net-card p{font-size:12.8px;color:var(--ink-3)}

/* ===== Process steps ===== */
.proc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.proc-item{padding:0 10px;text-align:center;position:relative}
.proc-item::after{
  content:"";position:absolute;top:24px;left:50%;width:100%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.proc-item:last-child::after{display:none}
.proc-dot{
  width:48px;height:48px;border-radius:50%;margin:0 auto 14px;
  background:#fff;border:2px solid var(--violet);color:var(--violet);
  font-weight:900;font-size:15px;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;transition:.26s;
}
.proc-item:hover .proc-dot{background:var(--violet);color:#fff;transform:scale(1.08)}
.proc-item h3{font-size:14.5px;font-weight:800;margin-bottom:6px}
.proc-item p{font-size:12.8px;color:var(--ink-3);line-height:1.6}

/* ===== Case center ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--sh-h)}
.case-media{background:var(--bg-soft);overflow:hidden}
.case-media img{width:100%;height:auto;object-fit:contain;transition:transform .5s}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-tag{font-size:11.5px;font-weight:800;color:var(--violet);background:rgba(75,42,240,.08);padding:3px 10px;border-radius:5px;align-self:flex-start}
.case-body h3{font-size:16px;font-weight:800}
.case-body p{font-size:13.4px;color:var(--ink-3);line-height:1.62}
.case-feats{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:8px}
.case-feats span{font-size:11.5px;font-weight:700;color:var(--ink-2);border:1px solid var(--line);border-radius:5px;padding:3px 9px}

/* ===== Compare ===== */
.cmp-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh)}
.cmp-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.score-box{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.score-num{font-size:52px;font-weight:900;color:var(--violet);line-height:1}
.score-num small{font-size:18px;color:var(--ink-3);font-weight:700}
.score-stars{font-size:20px;color:#ffb400;letter-spacing:2px}
.score-label{font-size:13px;color:var(--ink-3);font-weight:600;margin-top:2px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-md);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
thead th{
  background:var(--ink);color:#fff;font-weight:800;text-align:left;
  padding:14px 18px;font-size:13.5px;white-space:nowrap;
}
thead th:nth-child(2){background:var(--violet)}
tbody td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:var(--bg-soft)}
tbody td:first-child{font-weight:800;color:var(--ink);white-space:nowrap}
tbody td:nth-child(2){color:var(--violet-d);font-weight:700}
td .yes{color:#16a34a;font-weight:900}

/* ===== Token price ===== */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;transition:.28s;position:relative;overflow:hidden;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--sh-h);border-color:var(--violet)}
.price-card.featured{background:linear-gradient(160deg,#141824,#2a1a66);color:#fff;border-color:transparent}
.price-card.featured .p-name,.price-card.featured .p-unit{color:rgba(255,255,255,.7)}
.price-card.featured .p-price{color:var(--lime)}
.p-name{font-size:13px;font-weight:800;color:var(--ink-3);letter-spacing:.6px;margin-bottom:10px}
.p-price{font-size:26px;font-weight:900;color:var(--violet);line-height:1.1}
.p-price small{font-size:13px;font-weight:700;color:var(--ink-3)}
.price-card.featured .p-price small{color:rgba(255,255,255,.6)}
.p-unit{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.p-note{font-size:12.5px;color:var(--ink-3);margin-top:14px;line-height:1.6}
.price-card.featured .p-note{color:rgba(255,255,255,.66)}

/* ===== Comments ===== */
.cmt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cmt-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;transition:.3s;display:flex;flex-direction:column;gap:12px;
}
.cmt-card:hover{transform:translateY(-5px);box-shadow:var(--sh-h);border-color:rgba(75,42,240,.24)}
.cmt-stars{color:#ffb400;font-size:14px;letter-spacing:1.5px}
.cmt-text{font-size:14px;color:var(--ink-2);line-height:1.72;flex:1}
.cmt-user{display:flex;align-items:center;gap:11px;padding-top:12px;border-top:1px dashed var(--line)}
.cmt-avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:14px;color:#fff;background:var(--violet);
}
.cmt-card:nth-child(2n) .cmt-avatar{background:var(--coral)}
.cmt-card:nth-child(3n) .cmt-avatar{background:var(--ink);color:var(--lime)}
.cmt-name{font-size:13.5px;font-weight:800}
.cmt-role{font-size:12px;color:var(--ink-3)}

/* ===== Demand form ===== */
.form-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.form-aside{background:linear-gradient(150deg,#141824,#3114b8);color:#fff;padding:38px 32px;display:flex;flex-direction:column;gap:18px}
.form-aside h2{color:#fff;font-size:26px}
.form-aside p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.contact-list{display:grid;gap:12px;margin-top:auto}
.contact-list li{font-size:13.5px;color:rgba(255,255,255,.85);display:flex;gap:10px;align-items:flex-start}
.contact-list li b{color:var(--lime);font-weight:800;flex-shrink:0}
.contact-list a{color:#fff;border-bottom:1px dashed rgba(255,255,255,.4)}
.contact-list a:hover{color:var(--lime)}
.form-body{padding:38px 34px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:800;color:var(--ink-2)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:14px;color:var(--ink);
  padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg-soft);outline:none;transition:.22s;width:100%;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--violet);background:#fff;box-shadow:0 0 0 4px rgba(75,42,240,.10);
}
.form-submit{
  width:100%;margin-top:8px;background:var(--violet);color:#fff;border:none;
  font-family:inherit;font-size:15.5px;font-weight:800;padding:15px;border-radius:999px;
  cursor:pointer;transition:.26s;letter-spacing:.5px;
}
.form-submit:hover{background:var(--violet-d);transform:translateY(-2px);box-shadow:0 14px 28px rgba(75,42,240,.28)}
.form-submit:active{transform:translateY(0) scale(.99)}
.form-tip{font-size:12px;color:var(--ink-3);margin-top:12px;text-align:center}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:940px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.26s}
.faq-item:hover{border-color:rgba(75,42,240,.3)}
.faq-item.open{border-color:var(--violet);box-shadow:0 10px 26px rgba(75,42,240,.1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-family:inherit;font-size:15px;font-weight:800;color:var(--ink);transition:.22s;
}
.faq-q:hover{color:var(--violet)}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;position:relative;transition:.3s;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--violet);border-radius:2px;transition:.3s;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.open .faq-icon{background:var(--violet);transform:rotate(180deg)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s cubic-bezier(.22,.9,.3,1)}
.faq-a-inner{padding:0 22px 20px;font-size:14px;color:var(--ink-3);line-height:1.75}

/* ===== Articles ===== */
.art-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh)}
.art-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.art-item{
  display:flex;align-items:center;gap:14px;padding:15px 16px;border-radius:var(--r-md);
  border:1px solid var(--line);transition:.26s;background:var(--bg-soft);
}
.art-item:hover{background:#fff;border-color:var(--violet);transform:translateX(4px);box-shadow:0 8px 20px rgba(75,42,240,.1)}
.art-idx{
  flex-shrink:0;width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;
}
.art-txt{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4}
.art-txt span{display:block;font-size:12px;font-weight:600;color:var(--ink-3);margin-top:2px}

/* ===== Tag cloud & links ===== */
.tagcloud{display:flex;flex-wrap:wrap;gap:9px}
.tagcloud a,.tagcloud span{
  font-size:13px;font-weight:700;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;transition:.24s;
}
.tagcloud a:hover{background:var(--violet);color:#fff;border-color:var(--violet);transform:translateY(-2px)}

/* ===== Footer ===== */
.site-footer{
  margin-top:70px;background:#141824;color:#dfe0e6;padding:52px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:36px}
.foot-brand .foot-logo-text{font-size:20px;font-weight:900;color:#fff;margin-bottom:12px}
.foot-brand .foot-logo-text span{color:var(--lime)}
.foot-brand p{font-size:13.4px;color:#a9abba;line-height:1.75;margin-bottom:14px}
.foot-qr{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);border-radius:var(--r-sm);padding:10px;max-width:230px}
.foot-qr img{width:66px;height:66px;object-fit:contain;border-radius:6px;background:#fff;padding:3px}
.foot-qr span{font-size:12.5px;color:#c9cbd6;line-height:1.5}
.foot-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.foot-col ul{display:grid;gap:9px}
.foot-col li,.foot-col a{font-size:13.2px;color:#a9abba;transition:.22s;display:block}
.foot-col a:hover{color:var(--lime);transform:translateX(3px)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.8px;color:#8f92a2;
}
.foot-bottom a{color:#8f92a2}
.foot-bottom a:hover{color:var(--lime)}

/* ===== Floating ===== */
.float-stack{position:fixed;right:20px;bottom:24px;z-index:80;display:flex;flex-direction:column;gap:12px;align-items:center}
.float-btn{
  width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(20,24,36,.2);transition:.26s;font-family:inherit;
}
.float-top{background:#fff;color:var(--ink);border:1.5px solid var(--line);font-size:18px;font-weight:900;opacity:0;pointer-events:none;transform:translateY(10px)}
.float-top.show{opacity:1;pointer-events:auto;transform:none}
.float-top:hover{background:var(--violet);color:#fff;border-color:var(--violet)}
.float-service{background:var(--violet);color:#fff;font-size:12px;font-weight:800;line-height:1.2;padding:0}
.float-service:hover{background:var(--violet-d);transform:translateY(-3px)}
.kf-modal{
  position:fixed;inset:0;background:rgba(20,24,36,.55);z-index:100;
  display:none;align-items:center;justify-content:center;padding:22px;
}
.kf-modal.show{display:flex;animation:fadeIn .24s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.kf-box{background:#fff;border-radius:var(--r-lg);padding:26px;max-width:320px;width:100%;text-align:center;position:relative}
.kf-box img{width:190px;height:190px;object-fit:contain;margin:0 auto 14px;border-radius:8px}
.kf-box h3{font-size:16px;font-weight:800;margin-bottom:6px}
.kf-box p{font-size:12.8px;color:var(--ink-3);line-height:1.6}
.kf-close{
  position:absolute;top:10px;right:12px;background:none;border:none;font-size:22px;
  color:var(--ink-3);cursor:pointer;line-height:1;padding:4px;
}
.kf-close:hover{color:var(--coral)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-panel{max-width:520px}
  .svc-grid,.ind-grid,.case-grid,.cmt-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .net-wrap{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:repeat(2,1fr)}
  .proc-grid{grid-template-columns:repeat(3,1fr);gap:22px}
  .proc-item::after{display:none}
  .form-wrap{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .art-grid{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:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 18px;box-shadow:0 14px 30px rgba(20,24,36,.12);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-radius:8px}
  .nav-links a::after{display:none}
  .menu-toggle{display:flex}
  .nav-cta{display:none}
  .site-header .nav-inner{position:relative;flex-wrap:nowrap}
}
@media(max-width:640px){
  .container{padding:0 16px}
  .sec{padding:52px 0}
  .hero{padding:44px 0 54px}
  h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-desc{font-size:15px}
  .btn{padding:13px 24px;font-size:14.5px;flex:1;min-width:140px}
  .hero-actions{gap:10px}
  .svc-grid,.ind-grid,.case-grid,.cmt-grid,.flow-steps,.net-wrap,.price-grid,.proc-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr 1fr}
  .about-wrap,.cmp-wrap,.art-wrap{padding:24px 20px}
  .flow-wrap{padding:32px 22px}
  .form-aside,.form-body{padding:26px 22px}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{font-size:14px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px;font-size:13.4px}
  .cmp-head{flex-direction:column;align-items:flex-start}
  .float-stack{right:14px;bottom:18px}
  .float-btn{width:46px;height:46px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}