*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#1a1f3c;
  --ink-soft:#4a5170;
  --muted:#767d98;
  --brand:#4f46e5;
  --brand-2:#0ea5e9;
  --accent:#f97066;
  --accent-2:#fbbf24;
  --candy:#ec4899;
  --bg:#f6f7ff;
  --card:#ffffff;
  --line:#e6e9f7;
  --radius:18px;
  --shadow:0 18px 40px -22px rgba(79,70,229,.35);
  --container:1200px;
}
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 620px at 8% -6%, #e6e9ff 0%, rgba(230,233,255,0) 60%),
    radial-gradient(1000px 600px at 100% 0%, #dff5ff 0%, rgba(223,245,255,0) 58%),
    radial-gradient(900px 700px at 50% 120%, #ffe6f3 0%, rgba(255,230,243,0) 60%),
    var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block}
ul{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ============ NAV ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(230,233,247,.9);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{height:38px;width:auto}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(92deg,var(--brand),var(--brand-2) 55%,var(--candy));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  display:inline-block;padding:8px 13px;font-size:14.5px;color:var(--ink-soft);
  font-weight:500;border-radius:10px;transition:.25s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:#eef0ff;transform:translateY(-1px)}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
  padding:10px 20px;border-radius:999px;color:#fff;font-weight:700;font-size:14.5px;
  background:linear-gradient(92deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 22px -10px rgba(79,70,229,.65);
  transition:.28s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(79,70,229,.8)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative;padding:70px 0 78px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none}
.hero::before{width:340px;height:340px;left:-120px;top:-60px;
  background:radial-gradient(circle,#c7d2fe 0%,rgba(199,210,254,0) 70%);animation:floatA 12s ease-in-out infinite}
.hero::after{width:300px;height:300px;right:-100px;top:40px;
  background:radial-gradient(circle,#a5f3fc 0%,rgba(165,243,252,0) 70%);animation:floatB 14s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,24px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,20px)}}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:#fff;border:1px solid #dfe3ff;box-shadow:0 8px 18px -12px rgba(79,70,229,.5);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(90deg,var(--brand),var(--candy));animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{
  margin-top:20px;font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:900;letter-spacing:-.5px;
}
.hero h1 .grad{
  background:linear-gradient(96deg,var(--brand) 0%,var(--brand-2) 45%,var(--candy) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--ink-soft);max-width:600px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-size:15.5px;font-weight:700;
  cursor:pointer;border:none;transition:.28s;font-family:inherit;
}
.btn-primary{
  color:#fff;background:linear-gradient(94deg,var(--brand),var(--brand-2));
  box-shadow:0 16px 30px -14px rgba(79,70,229,.85);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 38px -16px rgba(79,70,229,.95)}
.btn-ghost{
  color:var(--brand);background:#fff;border:1.5px solid #d6dbff;
  box-shadow:0 10px 22px -16px rgba(79,70,229,.6);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand);background:#f5f6ff}
.hero-tags{margin-top:26px;display:flex;flex-wrap:wrap;gap:9px}
.hero-tags span{
  font-size:13px;font-weight:600;color:var(--ink-soft);padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);transition:.25s;
}
.hero-tags span:hover{color:var(--brand);border-color:#c9d0ff;transform:translateY(-2px)}

/* hero right panel */
.hero-panel{
  position:relative;padding:26px;border-radius:24px;
  background:linear-gradient(160deg,#ffffff 0%,#f4f6ff 100%);
  border:1px solid #e6e9ff;
  box-shadow:0 30px 60px -34px rgba(79,70,229,.55);
  animation:riseIn .8s ease both;
}
@keyframes riseIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
.hero-panel h2{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.4px;margin-bottom:4px}
.hero-panel .panel-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 14px;
  transition:.28s;
}
.stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfd6ff}
.stat-num{font-size:23px;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(92deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:2px}
.panel-note{
  margin-top:16px;padding:12px 14px;border-radius:12px;font-size:13px;color:#065f46;
  background:linear-gradient(90deg,#dcfce7,#ecfdf5);border:1px solid #bbf7d0;font-weight:600;
}

/* ============ SECTION BASE ============ */
section{padding:64px 0;position:relative}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-tag{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;
  color:var(--brand);padding:5px 12px;border-radius:8px;background:#eaecff;margin-bottom:14px;
}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.4px;line-height:1.3}
.sec-desc{margin-top:12px;font-size:15.5px;color:var(--ink-soft)}

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

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.about-text p{font-size:15.5px;color:var(--ink-soft);margin-bottom:14px}
.about-highlight{
  margin-top:18px;padding:18px 20px;border-radius:16px;
  background:linear-gradient(120deg,#eef1ff,#e6f7ff);border:1px solid #dbe2ff;
  font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.7;
}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-card{
  padding:20px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:.28s;
}
.about-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ff}
.about-card .ic{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:10px;background:linear-gradient(135deg,#eef1ff,#e0fbff);border:1px solid #e2e8ff;
}
.about-card h3{font-size:15.5px;font-weight:800;margin-bottom:5px}
.about-card p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ============ SERVICES ============ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{
  position:relative;padding:24px 22px;border-radius:18px;background:#fff;
  border:1px solid var(--line);overflow:hidden;transition:.3s;
}
.svc-card::after{
  content:"";position:absolute;inset:0;border-radius:18px;pointer-events:none;
  background:linear-gradient(135deg,rgba(79,70,229,.06),rgba(14,165,233,.05));
  opacity:0;transition:.3s;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 26px 46px -26px rgba(79,70,229,.5);border-color:#cbd2ff}
.svc-card:hover::after{opacity:1}
.svc-head{display:flex;align-items:center;gap:11px;margin-bottom:10px;position:relative;z-index:1}
.svc-badge{
  width:42px;height:42px;flex-shrink:0;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.svc-card:nth-child(3n+2) .svc-badge{background:linear-gradient(135deg,#f97066,#ec4899)}
.svc-card:nth-child(3n) .svc-badge{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.svc-card h3{font-size:16px;font-weight:800;position:relative;z-index:1}
.svc-card p{font-size:13.8px;color:var(--muted);line-height:1.68;position:relative;z-index:1}

/* ============ ONE-STOP / TIMELINE ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tl-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;position:relative;
  transition:.28s;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ff}
.tl-step{
  position:absolute;top:-13px;left:18px;font-size:12px;font-weight:800;color:#fff;
  padding:4px 12px;border-radius:999px;background:linear-gradient(92deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 16px -8px rgba(79,70,229,.8);
}
.tl-item h3{margin-top:10px;font-size:15.5px;font-weight:800;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ============ INDUSTRY ============ */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ind-card{
  padding:20px 18px;border-radius:16px;background:rgba(255,255,255,.9);
  border:1px solid var(--line);transition:.28s;
}
.ind-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);background:#fff;border-color:#cfd6ff}
.ind-card h3{font-size:15px;font-weight:800;margin-bottom:6px}
.ind-card p{font-size:13.3px;color:var(--muted);line-height:1.6}

/* ============ NETWORK ============ */
.network-band{
  border-radius:22px;padding:34px 32px;color:var(--ink);
  background:linear-gradient(120deg,#eef1ff 0%,#e8f8ff 48%,#ffeef7 100%);
  border:1px solid #e3e8ff;
}
.network-band h2{font-size:22px;font-weight:900;margin-bottom:10px}
.network-band > p{font-size:15px;color:var(--ink-soft);max-width:760px}
.net-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.net-chips span{
  font-size:13.5px;font-weight:600;background:#fff;border:1px solid #dce2ff;
  padding:7px 15px;border-radius:999px;color:var(--ink-soft);transition:.24s;
}
.net-chips span:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}

/* ============ FLOW ============ */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.flow-item{
  text-align:center;padding:24px 14px;border-radius:16px;background:#fff;
  border:1px solid var(--line);transition:.28s;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ff}
.flow-num{
  width:44px;height:44px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;color:var(--brand);background:#eef1ff;border:1px solid #dbe2ff;
}
.flow-item h3{font-size:14.5px;font-weight:800;margin-bottom:5px}
.flow-item p{font-size:12.8px;color:var(--muted);line-height:1.55}

/* ============ CASES ============ */
.case-grid{display:grid;grid-template-columns:1.1fr .95fr .95fr;gap:18px;align-items:start}
.case-card{
  border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:.3s;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 28px 50px -28px rgba(79,70,229,.5);border-color:#cbd2ff}
.case-media{width:100%;background:#f1f4ff;overflow:hidden}
.case-media.wide{aspect-ratio:16/9}
.case-media.square{aspect-ratio:1/1}
.case-media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:16px 18px 20px}
.case-body h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ============ COMPARE ============ */
.compare-top{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px;
}
.score-card{
  padding:22px;border-radius:18px;background:#fff;border:1px solid var(--line);text-align:center;
  transition:.28s;
}
.score-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ff}
.score-card .big{
  font-size:34px;font-weight:900;letter-spacing:-1px;
  background:linear-gradient(92deg,var(--brand),var(--candy));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.score-card .lbl{font-size:13.5px;color:var(--muted);margin-top:4px}
.stars{color:#f59e0b;font-size:18px;letter-spacing:2px;margin-bottom:4px}
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:660px}
thead th{
  text-align:left;font-size:13.5px;font-weight:800;color:var(--ink);
  padding:15px 18px;background:#f2f4ff;border-bottom:1px solid var(--line);
}
tbody td{
  padding:14px 18px;font-size:14px;color:var(--ink-soft);border-bottom:1px solid #eef1fb;
}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#fafbff}
td.strong{font-weight:800;color:var(--brand)}
td.yes{color:#047857;font-weight:600}
td.no{color:#b91c1c;font-weight:600}

/* ============ TOKEN PRICING ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{
  padding:26px 24px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.3s;
}
.price-card.hot{border:2px solid var(--brand);box-shadow:0 26px 48px -28px rgba(79,70,229,.6);position:relative}
.price-card.hot::before{
  content:"推荐";position:absolute;top:-12px;right:20px;font-size:12px;font-weight:800;color:#fff;
  padding:3px 12px;border-radius:999px;background:linear-gradient(92deg,var(--brand),var(--candy));
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.price-card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.price-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.price-num{font-size:30px;font-weight:900;color:var(--brand);letter-spacing:-1px}
.price-num small{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px}
.price-list{margin-top:16px;display:grid;gap:9px}
.price-list li{font-size:13.8px;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start}
.price-list li::before{content:"✓";color:var(--brand);font-weight:900;flex-shrink:0}

/* ============ COMMENTS ============ */
.cmt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cmt-card{
  padding:24px 22px;border-radius:18px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;transition:.28s;
}
.cmt-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfd6ff}
.cmt-stars{color:#f59e0b;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.cmt-text{font-size:14px;color:var(--ink-soft);line-height:1.75;flex:1}
.cmt-user{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px dashed #e6e9f7}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:15px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.cmt-card:nth-child(2n) .avatar{background:linear-gradient(135deg,#f97066,#ec4899)}
.cmt-card:nth-child(3n) .avatar{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.cmt-name{font-size:14px;font-weight:800}
.cmt-role{font-size:12.5px;color:var(--muted)}

/* ============ FORM ============ */
.form-band{
  display:grid;grid-template-columns:1fr 1.1fr;gap:34px;
  padding:36px;border-radius:24px;
  background:linear-gradient(150deg,#ffffff,#f3f5ff 70%,#eefcff);
  border:1px solid #e4e8ff;box-shadow:0 30px 60px -36px rgba(79,70,229,.5);
}
.form-info h2{font-size:26px;font-weight:900;margin-bottom:12px;letter-spacing:-.4px}
.form-info p{font-size:14.5px;color:var(--ink-soft);margin-bottom:16px}
.contact-list{display:grid;gap:11px}
.contact-list li{font-size:14px;color:var(--ink-soft);display:flex;gap:9px;align-items:flex-start}
.contact-list li b{color:var(--ink);font-weight:700}
.contact-list .k{color:var(--brand);font-weight:800;flex-shrink:0}
form{display:grid;gap:14px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid #dfe3f5;background:#fff;
  font-size:14.5px;color:var(--ink);font-family:inherit;transition:.22s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.12);
}
.field textarea{resize:vertical;min-height:96px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form .btn-primary{width:100%;margin-top:4px}

/* ============ ARTICLES ============ */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-card{
  padding:22px 20px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:.28s;display:flex;flex-direction:column;gap:8px;
}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ff}
.article-meta{font-size:12.5px;color:var(--brand);font-weight:700}
.article-card h3{font-size:15.5px;font-weight:800}
.article-card p{font-size:13.5px;color:var(--muted);flex:1}
.article-link{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
.article-link::after{content:"→";transition:.24s}
.article-card:hover .article-link::after{transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:980px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;
}
.faq-item:hover{border-color:#cfd6ff}
.faq-q{
  width:100%;text-align:left;padding:18px 20px;font-size:15px;font-weight:700;color:var(--ink);
  background:none;border:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:inherit;
}
.faq-q .plus{
  width:24px;height:24px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:var(--brand);background:#eef1ff;transition:.3s;
}
.faq-item.active .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--ink-soft);line-height:1.75}

/* ============ ENCYCLOPEDIA / TAGS ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  font-size:13.5px;font-weight:600;color:var(--ink-soft);padding:8px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);transition:.24s;
}
.tag-cloud a:hover{color:#fff;background:linear-gradient(92deg,var(--brand),var(--brand-2));border-color:transparent;transform:translateY(-2px)}

/* ============ JOIN / AGENT ============ */
.join-band{
  display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;
  padding:38px 34px;border-radius:24px;
  background:linear-gradient(120deg,#1a1f3c 0%,#2b2f66 55%,#3b2f7a 100%);
  color:#f4f5ff;box-shadow:0 34px 64px -34px rgba(26,31,60,.75);
}
.join-band h2{font-size:26px;font-weight:900;letter-spacing:-.4px;color:#fff;margin-bottom:10px}
.join-band p{font-size:14.5px;color:#c7cbf0;line-height:1.75}
.join-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px}
.join-actions .btn-primary{box-shadow:0 16px 30px -14px rgba(0,0,0,.6)}
.join-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.join-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.join-points{display:grid;gap:12px}
.join-point{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:16px 18px;
  transition:.26s;
}
.join-point:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.join-point h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:4px}
.join-point p{font-size:13px;color:#c7cbf0;line-height:1.6}

/* ============ FRIEND LINKS + FOOTER ============ */
.friend-links{
  padding:26px 0;border-top:1px solid #e6e9f7;border-bottom:1px solid #e6e9f7;background:rgba(255,255,255,.6);
}
.friend-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.friend-title{font-size:13.5px;font-weight:800;color:var(--ink);margin-right:6px}
.friend-inner a{font-size:13.5px;color:var(--ink-soft);transition:.22s}
.friend-inner a:hover{color:var(--brand)}
.friend-inner .sep{color:#c9cfe6;font-size:12px}
.site-footer{
  background:#141833;color:#b9bfdd;padding:44px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand .bn{font-size:17px;font-weight:800;color:#fff}
.footer-pr{font-size:13.5px;color:#9aa1c4;line-height:1.75}
.footer-col h3{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-col ul{display:grid;gap:8px}
.footer-col a,.footer-col li{font-size:13.3px;color:#aab0d2;transition:.22s}
.footer-col a:hover{color:#8fb3ff}
.footer-qr{width:110px;border-radius:10px;background:#fff;padding:4px}
.copyright{
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.8px;color:#8f96bb;
}
.copyright a{color:#8fb3ff}

/* ============ FLOATING ============ */
.float-box{position:fixed;right:20px;bottom:24px;z-index:120;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{
  width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:19px;font-weight:800;box-shadow:0 14px 26px -12px rgba(79,70,229,.8);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));transition:.28s;
}
.float-btn:hover{transform:translateY(-4px) scale(1.05)}
.float-btn.qr{background:linear-gradient(135deg,#f97066,#ec4899)}
.float-btn.top{opacity:0;visibility:hidden;background:linear-gradient(135deg,#1a1f3c,#3b3f7a)}
.float-btn.top.show{opacity:1;visibility:visible}
.qr-pop{
  position:fixed;right:82px;bottom:96px;z-index:130;background:#fff;border-radius:14px;padding:12px;
  box-shadow:0 24px 50px -20px rgba(26,31,60,.5);border:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.26s;
}
.qr-pop.show{opacity:1;visibility:visible;transform:none}
.qr-pop img{width:140px;border-radius:8px}
.qr-pop p{font-size:12.5px;text-align:center;color:var(--ink-soft);margin-top:6px}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:20px}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(3,1fr)}
  .case-grid{grid-template-columns:1fr 1fr}
  .price-grid{grid-template-columns:1fr}
  .cmt-grid{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .form-band{grid-template-columns:1fr;gap:26px}
  .join-band{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:820px){
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:12px 18px 18px;gap:2px;
    box-shadow:0 24px 40px -26px rgba(26,31,60,.4);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;font-size:15px}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .nav-wrap{position:relative;min-height:64px}
  .hero{padding:50px 0 60px}
  section{padding:52px 0}
  .svc-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .compare-top{grid-template-columns:1fr}
  .cmt-grid{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .copyright{flex-direction:column;align-items:flex-start}
  .qr-pop{right:70px;bottom:90px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .flow-grid{grid-template-columns:1fr}
  .about-cards{grid-template-columns:1fr}
  .stat-list{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .form-band{padding:24px 18px}
  .join-band{padding:26px 20px}
  .network-band{padding:26px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}