:root{
  --ink:#16233b;
  --ink-soft:#4a5872;
  --brand:#4256ff;
  --brand-2:#8b5cf6;
  --brand-3:#12c7b5;
  --accent:#ff7a59;
  --line:rgba(22,35,59,.10);
  --card:#ffffff;
  --radius:18px;
  --shadow:0 10px 30px rgba(52,73,150,.10);
  --shadow-lg:0 18px 46px rgba(52,73,150,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#f5f7ff;
  background-image:
    radial-gradient(circle at 8% 4%, rgba(66,86,255,.10), transparent 42%),
    radial-gradient(circle at 92% 12%, rgba(139,92,246,.10), transparent 40%),
    radial-gradient(circle at 50% 70%, rgba(18,199,181,.08), transparent 46%),
    linear-gradient(180deg,#f7f9ff 0%,#f2f5ff 40%,#f6f8ff 100%);
  -webkit-font-smoothing:antialiased;
  line-height:1.7;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.28;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 22px;
}
.section{padding:64px 0}
.section-head{max-width:760px;margin:0 auto 38px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);
  background:rgba(66,86,255,.09);
  border:1px solid rgba(66,86,255,.18);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.section-head p{color:var(--ink-soft);font-size:15.5px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-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:66px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:38px;height:38px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;letter-spacing:.01em}
.brand-text span{font-size:11px;color:var(--ink-soft);letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{
  font-size:14px;color:var(--ink-soft);font-weight:600;
  padding:8px 11px;border-radius:9px;transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:rgba(66,86,255,.08)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;font-weight:700;font-size:14px;
  color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 20px rgba(66,86,255,.30);
  transition:transform .22s,box-shadow .22s;flex-shrink:0;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(66,86,255,.38);color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;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:19px;height:2px;background:var(--ink);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;
  background:
    radial-gradient(circle at 84% 18%, rgba(139,92,246,.20), transparent 46%),
    radial-gradient(circle at 10% 88%, rgba(18,199,181,.16), transparent 44%),
    linear-gradient(140deg,#eef1ff 0%,#f6f3ff 46%,#eefaf8 100%);
  border-bottom:1px solid var(--line);
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.hero::before{
  width:420px;height:420px;right:-130px;top:-150px;
  background:radial-gradient(circle,rgba(66,86,255,.28),transparent 66%);
  filter:blur(12px);animation:floatA 12s ease-in-out infinite;
}
.hero::after{
  width:320px;height:320px;left:-120px;bottom:-140px;
  background:radial-gradient(circle,rgba(18,199,181,.26),transparent 68%);
  filter:blur(14px);animation:floatB 14s ease-in-out infinite;
}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(-24px,26px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(26px,-22px)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.78);border:1px solid rgba(66,86,255,.20);
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:700;color:var(--brand);
  box-shadow:0 6px 18px rgba(66,86,255,.10);margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand-3);display:inline-block;box-shadow:0 0 0 4px rgba(18,199,181,.18)}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.18;margin-bottom:18px;letter-spacing:-.02em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--brand),var(--brand-2) 55%,var(--brand-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{font-size:16.5px;color:var(--ink-soft);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:15.5px;color:#fff;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  box-shadow:0 12px 26px rgba(66,86,255,.32);
  transition:transform .24s,box-shadow .24s;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(66,86,255,.40);color:#fff}
.btn-primary svg{width:16px;height:16px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  color:var(--ink);background:rgba(255,255,255,.85);
  border:1px solid rgba(66,86,255,.24);
  transition:transform .24s,background .24s,box-shadow .24s;
}
.btn-ghost:hover{transform:translateY(-3px);background:#fff;box-shadow:0 12px 24px rgba(66,86,255,.16);color:var(--brand)}
.hero-note{margin-top:22px;font-size:13.5px;color:var(--ink-soft);display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-3)}

.hero-panel{
  background:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.9);
  border-radius:22px;
  box-shadow:0 22px 54px rgba(52,73,150,.16);
  padding:26px 24px;
  position:relative;
  overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(140deg,rgba(66,86,255,.07),transparent 46%,rgba(18,199,181,.08));
}
.hero-panel h3{font-size:15px;letter-spacing:.06em;color:var(--ink-soft);font-weight:700;margin-bottom:16px;position:relative}
.model-tags{display:flex;flex-wrap:wrap;gap:8px;position:relative}
.model-tags span{
  font-size:12.5px;font-weight:600;color:#33406b;
  background:#f2f4ff;border:1px solid rgba(66,86,255,.14);
  padding:5px 11px;border-radius:9px;
  transition:transform .2s,background .2s,color .2s;
}
.model-tags span:hover{transform:translateY(-2px);background:linear-gradient(120deg,#eef1ff,#eafbf8);color:var(--brand)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px;position:relative}
.hero-stats div{
  background:linear-gradient(160deg,#f4f6ff,#eefaf8);
  border:1px solid rgba(66,86,255,.12);
  border-radius:14px;padding:12px 10px;text-align:center;
}
.hero-stats strong{display:block;font-size:19px;color:var(--brand);letter-spacing:-.01em}
.hero-stats small{font-size:11.5px;color:var(--ink-soft);font-weight:600}

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

/* ---------- Metric strip ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);
  transition:transform .26s,box-shadow .26s;position:relative;overflow:hidden;
}
.metric-card::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand-3));
  opacity:.9;
}
.metric-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.metric-card strong{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--brand);margin-bottom:6px;letter-spacing:-.02em}
.metric-card h3{font-size:15px;margin-bottom:6px}
.metric-card p{font-size:13.5px;color:var(--ink-soft)}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:start}
.about-text p{color:var(--ink-soft);font-size:15.5px;margin-bottom:16px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.about-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--ink);font-weight:600;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  transition:transform .22s,box-shadow .22s;
}
.about-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.about-list li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:2px;border-radius:6px;
  background:linear-gradient(135deg,var(--brand),var(--brand-3));
}
.about-side{display:grid;gap:16px}
.side-card{
  background:linear-gradient(150deg,#ffffff,#f3f6ff);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:16px;margin-bottom:12px}
.side-card p{font-size:14px;color:var(--ink-soft)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip-row span{
  font-size:12.5px;font-weight:600;color:#33406b;background:#eef2ff;
  border:1px solid rgba(66,86,255,.14);padding:5px 11px;border-radius:8px;
}

/* ---------- Service cards ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .26s,box-shadow .26s,border-color .26s;
  position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(66,86,255,.14),transparent 70%);
  transition:transform .35s;
}
.service-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:rgba(66,86,255,.28)}
.service-card:hover::before{transform:scale(1.3)}
.service-ico{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(66,86,255,.14),rgba(18,199,181,.16));
  color:var(--brand);font-weight:800;font-size:16px;
}
.service-card h3{font-size:17px}
.service-card p{font-size:14px;color:var(--ink-soft);flex:1}
.service-card .tag{font-size:12px;font-weight:700;color:var(--brand-3);letter-spacing:.04em}

/* ---------- Workflow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);position:relative;
  transition:transform .26s,box-shadow .26s;
}
.flow-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.flow-num{
  font-size:13px;font-weight:800;color:#fff;letter-spacing:.06em;
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));margin-bottom:14px;
}
.flow-item h3{font-size:16px;margin-bottom:8px}
.flow-item p{font-size:13.5px;color:var(--ink-soft)}

/* ---------- Industry solutions ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card{
  border-radius:var(--radius);padding:24px 22px;border:1px solid var(--line);
  background:linear-gradient(160deg,#ffffff,#f4f7ff);
  box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s;
}
.solution-card:nth-child(2n){background:linear-gradient(160deg,#ffffff,#f2fbf9)}
.solution-card:nth-child(3n){background:linear-gradient(160deg,#ffffff,#fdf5f1)}
.solution-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.solution-card h3{font-size:16.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.solution-card h3::before{content:"";width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--brand),var(--brand-3))}
.solution-card p{font-size:13.8px;color:var(--ink-soft)}

/* ---------- Case showcase ---------- */
.case-wrap{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);display:flex;flex-direction:column;
  transition:transform .26s,box-shadow .26s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-media{position:relative;background:#eef1ff;overflow:hidden}
.case-media img{width:100%;display:block;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-body h3{font-size:16px}
.case-body p{font-size:13.8px;color:var(--ink-soft);flex:1}
.case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.case-meta span{font-size:11.5px;font-weight:700;color:var(--brand);background:rgba(66,86,255,.09);padding:4px 10px;border-radius:7px}

/* ---------- Compare ---------- */
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  box-shadow:var(--shadow-lg);padding:30px 26px;
}
.compare-top{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding-bottom:22px;margin-bottom:22px;border-bottom:1px dashed rgba(66,86,255,.24);
}
.score-block{display:flex;align-items:center;gap:18px}
.score-num{
  font-size:44px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--brand),var(--brand-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.score-meta strong{display:block;font-size:15px;margin-bottom:4px}
.stars{display:flex;gap:3px;color:#ffb020;font-size:16px;letter-spacing:2px}
.score-meta small{color:var(--ink-soft);font-size:12.5px}
.verdict{
  font-size:13.5px;font-weight:700;color:#0d8f78;
  background:rgba(18,199,181,.12);border:1px solid rgba(18,199,181,.30);
  padding:9px 18px;border-radius:999px;
}
.table-scroll{overflow-x:auto;border-radius:14px;border:1px solid var(--line)}
table.compare{width:100%;border-collapse:collapse;min-width:620px;background:#fff;font-size:14px}
table.compare thead th{
  text-align:left;padding:14px 16px;font-size:13px;letter-spacing:.04em;
  background:linear-gradient(120deg,#eef1ff,#eefaf8);color:#2a3a63;font-weight:800;
  border-bottom:1px solid rgba(66,86,255,.16);white-space:nowrap;
}
table.compare tbody td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover td{background:#fafbff}
table.compare td:first-child{color:var(--ink);font-weight:700;white-space:nowrap}
table.compare td.good{color:#0d8f78;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:24px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(66,86,255,.30)}
.price-card h3{font-size:16px}
.price-line{display:flex;align-items:baseline;gap:8px}
.price-line strong{font-size:26px;color:var(--brand);letter-spacing:-.02em}
.price-line small{font-size:12.5px;color:var(--ink-soft)}
.price-card ul li{
  font-size:13.6px;color:var(--ink-soft);padding-left:18px;position:relative;margin-bottom:7px;
}
.price-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--brand-3));
}
.price-card .mini-link{font-size:13.5px;font-weight:700;margin-top:auto}

/* ---------- Reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
  transition:transform .26s,box-shadow .26s;
}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.review-quote{font-size:14.2px;color:var(--ink);line-height:1.75}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.review-user strong{display:block;font-size:14px}
.review-user small{color:var(--ink-soft);font-size:12.5px}

/* ---------- Network ---------- */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.network-item{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:14px;
  padding:18px 16px;text-align:center;transition:transform .22s,box-shadow .22s;
}
.network-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.network-item strong{display:block;font-size:15px;margin-bottom:4px}
.network-item small{font-size:12.5px;color:var(--ink-soft)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2),var(--brand-3));
  border-radius:2px;opacity:.5;
}
.timeline-item{position:relative;padding-bottom:22px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline-item h3{font-size:15.5px;margin-bottom:4px}
.timeline-item p{font-size:13.8px;color:var(--ink-soft)}

/* ---------- Articles ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.article-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(66,86,255,.26)}
.article-item span{font-size:12px;font-weight:700;color:var(--brand-3);letter-spacing:.05em}
.article-item h3{font-size:15px;line-height:1.5}
.article-item a{font-size:13.5px;font-weight:700;margin-top:auto}
.article-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;justify-content:center}
.article-links a{
  font-size:13px;font-weight:600;color:#33406b;background:#fff;
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;
  transition:transform .2s,color .2s,border-color .2s;
}
.article-links a:hover{transform:translateY(-2px);color:var(--brand);border-color:rgba(66,86,255,.34)}

/* ---------- Form ---------- */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start}
.form-side{display:grid;gap:14px}
.contact-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.contact-box h3{font-size:16px;margin-bottom:12px}
.contact-box ul li{font-size:14px;color:var(--ink-soft);margin-bottom:9px;display:flex;gap:9px}
.contact-box ul li b{color:var(--ink);font-weight:700;flex-shrink:0}
.qr-box{display:flex;align-items:center;gap:16px}
.qr-box img{width:104px;height:104px;object-fit:contain;border-radius:12px;border:1px solid var(--line);background:#fff;padding:4px}
.qr-box p{font-size:13.5px;color:var(--ink-soft)}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:30px 26px;box-shadow:var(--shadow-lg);
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card > p{font-size:13.8px;color:var(--ink-soft);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  background:#f8f9ff;border:1px solid rgba(66,86,255,.18);border-radius:11px;
  padding:11px 14px;outline:none;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{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(66,86,255,.14);
}
.form-submit{
  margin-top:18px;width:100%;cursor:pointer;border:none;
  padding:14px 24px;border-radius:999px;font-size:15px;font-weight:800;color:#fff;
  font-family:inherit;background:linear-gradient(120deg,var(--brand),var(--brand-2));
  box-shadow:0 12px 26px rgba(66,86,255,.30);
  transition:transform .22s,box-shadow .22s;
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(66,86,255,.38)}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--ink-soft);text-align:center}

/* ---------- 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:0 6px 18px rgba(52,73,150,.06);transition:box-shadow .22s,border-color .22s;
}
.faq-item.open{border-color:rgba(66,86,255,.30);box-shadow:var(--shadow)}
.faq-q{
  width:100%;text-align:left;cursor:pointer;border:none;background:none;
  font-family:inherit;font-size:15px;font-weight:700;color:var(--ink);
  padding:18px 52px 18px 20px;position:relative;line-height:1.5;
}
.faq-q::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);transition:transform .26s;
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--ink-soft);line-height:1.75}

/* ---------- Footer ---------- */
.site-footer{
  background:#121a2e;color:#c6cde0;margin-top:0;
  padding:48px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand img{width:38px;height:38px;object-fit:contain;background:rgba(255,255,255,.92);border-radius:9px;padding:3px}
.footer-brand strong{color:#fff;font-size:17px}
.site-footer p{font-size:13.5px;color:#a8b2ca;line-height:1.8}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.02em}
.footer-links li{margin-bottom:9px}
.footer-links a{color:#a8b2ca;font-size:13.5px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:13.5px;color:#a8b2ca;margin-bottom:9px;display:flex;gap:8px}
.footer-contact li b{color:#e6ebf7;font-weight:700;flex-shrink:0}
.footer-friend{display:flex;flex-wrap:wrap;gap:8px 14px;padding:22px 0}
.footer-friend a{color:#a8b2ca;font-size:13px}
.footer-friend a:hover{color:#fff}
.footer-bottom{
  padding:16px 0 22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
  font-size:12.8px;color:#8e99b4;
}
.footer-bottom a{color:#b9c3da}
.footer-bottom a:hover{color:#fff}

/* ---------- Float ---------- */
.float-cs{
  position:fixed;right:20px;bottom:24px;z-index:90;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.cs-panel{
  display:none;width:210px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px;box-shadow:0 20px 44px rgba(22,35,59,.20);text-align:center;
}
.cs-panel.show{display:block;animation:popIn .26s ease}
@keyframes popIn{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
.cs-panel img{width:130px;height:130px;object-fit:contain;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line);padding:4px}
.cs-panel p{font-size:12.5px;color:var(--ink-soft)}
.cs-panel p b{display:block;color:var(--ink);font-size:13.5px;margin-bottom:4px}
.cs-btn{
  width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  box-shadow:0 12px 26px rgba(66,86,255,.36);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  font-family:inherit;transition:transform .24s,box-shadow .24s;
}
.cs-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 16px 32px rgba(66,86,255,.44)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .about-grid{grid-template-columns:1fr;gap:26px}
  .form-wrap{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid,.solution-grid,.case-wrap,.review-grid,.price-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .network-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-toggle{display:flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:12px 22px 18px;
    box-shadow:0 16px 30px rgba(22,35,59,.12);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 8px;font-size:14.5px;border-radius:9px}
  .nav-wrap{position:relative}
}
@media(max-width:640px){
  .section{padding:46px 0}
  .hero{padding:48px 0 44px}
  .container{padding:0 16px}
  .metric-grid,.service-grid,.solution-grid,.case-wrap,.review-grid,.price-grid,.article-grid,.flow-grid,.network-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .compare-card{padding:22px 16px}
  .footer-bottom{justify-content:flex-start}
  .float-cs{right:14px;bottom:16px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}