:root{
  --primary:#6C1EFF;
  --pink:#FF2D89;
  --orange:#FF6B1A;
  --cyan:#00D2FF;
  --blue:#1E5EFF;
  --green:#00C48C;
  --dark:#0D0B1E;
  --dark2:#171436;
  --text:#1B1830;
  --muted:#6B6785;
  --line:#EDE9F7;
  --bg:#F7F5FF;
  --radius:18px;
  --shadow:0 12px 40px rgba(108,30,255,.12);
  --shadow-hover:0 20px 56px rgba(255,45,137,.22);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  color:var(--text);background:#fff;line-height:1.7;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
section{position:relative;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand .ai-page-logo{height:40px;width:auto;object-fit:contain;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links a{
  display:inline-block;padding:8px 10px;font-size:14px;color:var(--text);
  font-weight:500;border-radius:8px;transition:.25s;position:relative;
}
.nav-links a:hover{color:var(--primary);background:rgba(108,30,255,.07);}
.header-cta{
  display:inline-flex;align-items:center;gap:6px;padding:10px 22px;
  background:linear-gradient(120deg,var(--primary),var(--pink));
  color:#fff;border-radius:999px;font-size:14px;font-weight:600;
  box-shadow:0 8px 22px rgba(108,30,255,.32);transition:.25s;flex-shrink:0;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,45,137,.4);}
.nav-toggle{display:none;width:44px;height:44px;border:none;background:transparent;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--text);border-radius:2px;transition:.3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1A0B45 0%,#3B0B7A 38%,#7A1BB5 70%,#FF2D89 120%);
  color:#fff;padding:90px 0 100px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 12% 20%,rgba(0,210,255,.35),transparent 42%),
    radial-gradient(circle at 88% 18%,rgba(255,107,26,.34),transparent 40%),
    radial-gradient(circle at 70% 90%,rgba(255,45,137,.4),transparent 45%);
}
.hero .grid-blocks{position:absolute;inset:0;pointer-events:none;opacity:.5;}
.hero .blk{position:absolute;border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(2px);animation:floaty 9s ease-in-out infinite;}
.hero .blk.b1{width:120px;height:120px;top:12%;right:8%;animation-delay:0s;}
.hero .blk.b2{width:80px;height:80px;top:58%;right:20%;animation-delay:1.5s;}
.hero .blk.b3{width:150px;height:150px;bottom:8%;left:4%;animation-delay:.8s;}
.hero .blk.b4{width:56px;height:56px;top:22%;left:30%;animation-delay:2.2s;}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(0);}50%{transform:translateY(-18px) rotate(6deg);}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:500;margin-bottom:24px;letter-spacing:.4px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#39FFB0;box-shadow:0 0 10px #39FFB0;animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.hero h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.5px;margin-bottom:22px;}
.hero h1 .grad{
  background:linear-gradient(100deg,#39FFB0,#00D2FF 45%,#FFD166 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.85);max-width:560px;margin-bottom:32px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 34px;border-radius:999px;font-size:16px;font-weight:700;
  cursor:pointer;transition:.28s;border:none;font-family:inherit;
}
.btn-primary{background:linear-gradient(120deg,#FFD166,#FF6B1A 55%,#FF2D89);color:#1A0B45;box-shadow:0 14px 34px rgba(255,107,26,.42);}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 20px 44px rgba(255,45,137,.5);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.34);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px);}
.hero-visual{position:relative;z-index:2;display:flex;flex-direction:column;gap:16px;}
.hero-stat-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:20px;padding:20px 22px;backdrop-filter:blur(8px);
  display:flex;align-items:center;gap:16px;transition:.3s;
}
.hero-stat-card:hover{transform:translateX(6px);background:rgba(255,255,255,.16);}
.hero-stat-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:24px;flex-shrink:0;background:linear-gradient(135deg,rgba(0,210,255,.35),rgba(255,45,137,.35));
  border:1px solid rgba(255,255,255,.25);
}
.hero-stat-card .num{font-size:26px;font-weight:800;line-height:1.1;}
.hero-stat-card .lbl{font-size:13px;color:rgba(255,255,255,.75);}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;}
.hero-tags span{
  font-size:12.5px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
}

/* ============ Section common ============ */
.sec{padding:88px 0;}
.sec-alt{background:var(--bg);}
.sec-head{text-align:center;max-width:780px;margin:0 auto 52px;}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--primary);background:rgba(108,30,255,.09);
  padding:6px 16px;border-radius:999px;margin-bottom:16px;text-transform:uppercase;
}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px;line-height:1.28;}
.sec-head h2 .hl{background:linear-gradient(100deg,var(--primary),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-head p{font-size:16px;color:var(--muted);}
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* ============ Metrics ============ */
.metrics{background:linear-gradient(180deg,#fff,#F7F5FF);padding:0 0 40px;margin-top:-56px;position:relative;z-index:5;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.metric-card{
  background:#fff;border-radius:var(--radius);padding:28px 24px;text-align:center;
  box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s;
}
.metric-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);}
.metric-card .num{font-size:38px;font-weight:800;background:linear-gradient(120deg,var(--primary),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;}
.metric-card .num small{font-size:18px;}
.metric-card .lbl{margin-top:8px;font-size:14px;color:var(--muted);}

/* ============ About ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.about-copy h2{font-size:34px;font-weight:800;margin-bottom:20px;line-height:1.3;}
.about-copy p{color:var(--muted);margin-bottom:16px;font-size:15.5px;}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;}
.about-point{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;transition:.3s;}
.about-point:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(108,30,255,.3);}
.about-point .ic{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--pink));color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;}
.about-point strong{display:block;font-size:14.5px;margin-bottom:2px;}
.about-point span{font-size:12.5px;color:var(--muted);line-height:1.5;}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.about-media img{border-radius:16px;box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;}
.about-media .tall{grid-row:span 2;height:100%;}

/* ============ Services ============ */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:.32s;position:relative;overflow:hidden;
}
.svc-card::after{content:"";position:absolute;left:0;top:0;height:4px;width:100%;transform:scaleX(0);transform-origin:left;transition:.35s;background:linear-gradient(90deg,var(--primary),var(--pink),var(--orange));}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:transparent;}
.svc-card:hover::after{transform:scaleX(1);}
.svc-ic{
  width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:18px;background:linear-gradient(135deg,rgba(108,30,255,.12),rgba(255,45,137,.12));
  border:1px solid rgba(108,30,255,.16);
}
.svc-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ Platform chips ============ */
.chips-wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px;}
.chip{
  padding:9px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--text);transition:.25s;cursor:default;
  box-shadow:0 4px 14px rgba(108,30,255,.06);
}
.chip:hover{background:linear-gradient(120deg,var(--primary),var(--pink));color:#fff;transform:translateY(-3px);border-color:transparent;}

/* ============ Process ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;}
.step{background:#fff;border-radius:var(--radius);padding:28px 20px;border:1px solid var(--line);transition:.3s;position:relative;}
.step:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.step-num{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--pink));
  margin-bottom:16px;box-shadow:0 8px 20px rgba(108,30,255,.3);
}
.step h4{font-size:16px;margin-bottom:8px;}
.step p{font-size:13px;color:var(--muted);}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tl-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s;}
.tl-item:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.tl-item .yr{font-size:20px;font-weight:800;color:var(--primary);margin-bottom:8px;}
.tl-item p{font-size:13.5px;color:var(--muted);}

/* ============ Solutions / industry ============ */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ind-card{
  border-radius:var(--radius);padding:26px 22px;color:#fff;position:relative;overflow:hidden;
  min-height:180px;display:flex;flex-direction:column;justify-content:space-between;
  transition:.3s;cursor:default;
}
.ind-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 22px 46px rgba(0,0,0,.2);}
.ind-card:nth-child(1){background:linear-gradient(135deg,#6C1EFF,#B02DEB);}
.ind-card:nth-child(2){background:linear-gradient(135deg,#FF2D89,#FF6B1A);}
.ind-card:nth-child(3){background:linear-gradient(135deg,#1E5EFF,#00D2FF);}
.ind-card:nth-child(4){background:linear-gradient(135deg,#00C48C,#00D2FF);}
.ind-card:nth-child(5){background:linear-gradient(135deg,#FF6B1A,#FFD166);color:#3A2000;}
.ind-card:nth-child(6){background:linear-gradient(135deg,#7A1BB5,#FF2D89);}
.ind-card:nth-child(7){background:linear-gradient(135deg,#0FA3C9,#6C1EFF);}
.ind-card:nth-child(8){background:linear-gradient(135deg,#B02DEB,#1E5EFF);}
.ind-card .ic{font-size:28px;margin-bottom:14px;}
.ind-card h4{font-size:17px;margin-bottom:8px;font-weight:700;}
.ind-card p{font-size:13px;opacity:.9;line-height:1.6;}

/* ============ Case ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.32s;}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);}
.case-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#eee;}
.case-img img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.case-card:hover .case-img img{transform:scale(1.06);}
.case-body{padding:22px;}
.case-body .tag{font-size:12px;color:var(--primary);font-weight:700;letter-spacing:.5px;}
.case-body h4{font-size:17px;margin:8px 0;font-weight:700;}
.case-body p{font-size:13.5px;color:var(--muted);}
.case-meta{display:flex;gap:16px;margin-top:14px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.case-meta b{color:var(--primary);}

/* ============ Compare ============ */
.compare-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);}
table.compare{width:100%;border-collapse:collapse;min-width:720px;background:#fff;}
table.compare th,table.compare td{padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);}
table.compare thead th{background:linear-gradient(120deg,#2A0A5E,#6C1EFF);color:#fff;font-weight:700;font-size:14.5px;}
table.compare thead th:first-child{border-top-left-radius:var(--radius);}
table.compare thead th:last-child{border-top-right-radius:var(--radius);}
table.compare tbody tr:hover{background:rgba(108,30,255,.04);}
table.compare td.hl{background:rgba(108,30,255,.06);font-weight:600;color:var(--primary);}
.rating-box{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;background:linear-gradient(120deg,#1A0B45,#6C1EFF 60%,#FF2D89);
  border-radius:24px;padding:34px 38px;color:#fff;margin-bottom:36px;box-shadow:0 24px 60px rgba(108,30,255,.35);
}
.rating-score{font-size:64px;font-weight:800;line-height:1;background:linear-gradient(100deg,#39FFB0,#FFD166);-webkit-background-clip:text;background-clip:text;color:transparent;}
.rating-score small{font-size:24px;color:rgba(255,255,255,.7);-webkit-text-fill-color:rgba(255,255,255,.7);}
.stars{font-size:26px;color:#FFD166;letter-spacing:4px;}
.rating-info h3{font-size:22px;margin-bottom:6px;}
.rating-info p{font-size:14px;color:rgba(255,255,255,.8);}

/* ============ Token price ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;
  display:flex;flex-direction:column;transition:.32s;position:relative;
}
.price-card.featured{border:2px solid var(--primary);box-shadow:0 20px 50px rgba(108,30,255,.2);transform:translateY(-8px);}
.price-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-hover);}
.price-card.featured:hover{transform:translateY(-14px);}
.price-badge{position:absolute;top:-14px;right:24px;background:linear-gradient(120deg,var(--pink),var(--orange));color:#fff;font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;box-shadow:0 8px 18px rgba(255,45,137,.4);}
.price-card h4{font-size:19px;margin-bottom:6px;}
.price-card .pdesc{font-size:13px;color:var(--muted);margin-bottom:20px;min-height:40px;}
.price-card .pnum{font-size:40px;font-weight:800;color:var(--primary);line-height:1.1;}
.price-card .pnum small{font-size:14px;color:var(--muted);font-weight:500;}
.price-card ul{margin:22px 0;display:flex;flex-direction:column;gap:11px;}
.price-card li{font-size:14px;color:var(--text);display:flex;gap:9px;align-items:flex-start;}
.price-card li::before{content:"✓";color:var(--green);font-weight:800;flex-shrink:0;}
.price-card .btn{margin-top:auto;width:100%;}

/* ============ Network ============ */
.net-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.net-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 12px;text-align:center;transition:.3s;}
.net-item:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(108,30,255,.3);}
.net-item .ic{font-size:24px;margin-bottom:8px;}
.net-item h5{font-size:14px;margin-bottom:4px;}
.net-item p{font-size:12px;color:var(--muted);}

/* ============ Comments ============ */
.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.comment-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.32s;display:flex;flex-direction:column;}
.comment-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);}
.comment-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.avatar{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:18px;flex-shrink:0;}
.avatar.a1{background:linear-gradient(135deg,#6C1EFF,#B02DEB);}
.avatar.a2{background:linear-gradient(135deg,#FF2D89,#FF6B1A);}
.avatar.a3{background:linear-gradient(135deg,#1E5EFF,#00D2FF);}
.avatar.a4{background:linear-gradient(135deg,#00C48C,#00D2FF);}
.avatar.a5{background:linear-gradient(135deg,#FF6B1A,#FFD166);}
.avatar.a6{background:linear-gradient(135deg,#7A1BB5,#1E5EFF);}
.comment-name{font-weight:700;font-size:15px;}
.comment-role{font-size:12.5px;color:var(--muted);}
.comment-body{font-size:14px;color:#3B3759;line-height:1.8;flex:1;}
.comment-stars{color:#FFB800;font-size:14px;margin-top:14px;letter-spacing:2px;}

/* ============ Articles ============ */
.articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s;display:flex;flex-direction:column;}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(108,30,255,.3);}
.article-card .date{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:10px;letter-spacing:.5px;}
.article-card h4{font-size:16.5px;margin-bottom:10px;line-height:1.5;}
.article-card p{font-size:13.5px;color:var(--muted);margin-bottom:16px;flex:1;}
.article-card .more{font-size:13.5px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:.25s;}
.article-card:hover .more{gap:10px;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s;}
.faq-item:hover{border-color:rgba(108,30,255,.3);box-shadow:0 6px 20px rgba(108,30,255,.08);}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:transparent;border:none;cursor:pointer;font-family:inherit;font-size:15.5px;font-weight:600;text-align:left;color:var(--text);transition:.25s;}
.faq-q:hover{color:var(--primary);}
.faq-q .icon{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:rgba(108,30,255,.1);display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--primary);transition:.3s;font-weight:700;}
.faq-item.open .faq-q .icon{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ Form ============ */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
.form-info h2{font-size:32px;font-weight:800;margin-bottom:18px;line-height:1.3;}
.form-info p{color:var(--muted);margin-bottom:24px;font-size:15px;}
.contact-list{display:flex;flex-direction:column;gap:16px;}
.contact-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.3s;}
.contact-item:hover{transform:translateX(6px);box-shadow:var(--shadow);}
.contact-item .ic{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--pink));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.contact-item strong{display:block;font-size:14px;margin-bottom:2px;}
.contact-item span{font-size:13px;color:var(--muted);word-break:break-all;}
.qr-box{margin-top:24px;display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;}
.qr-box img{width:96px;height:96px;border-radius:10px;object-fit:cover;border:1px solid var(--line);}
.qr-box .txt strong{display:block;font-size:14px;margin-bottom:4px;}
.qr-box .txt span{font-size:12.5px;color:var(--muted);}
.form-card{background:#fff;border-radius:24px;padding:38px;box-shadow:0 24px 60px rgba(108,30,255,.14);border:1px solid var(--line);}
.form-card h3{font-size:22px;margin-bottom:6px;}
.form-card .fsub{font-size:13.5px;color:var(--muted);margin-bottom:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text);}
.field label .req{color:var(--pink);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:14px;color:var(--text);background:#FAF9FE;transition:.25s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(108,30,255,.1);}
.field textarea{resize:vertical;min-height:110px;}
.submit-btn{
  width:100%;padding:16px;border:none;border-radius:12px;cursor:pointer;
  background:linear-gradient(120deg,var(--primary),var(--pink));color:#fff;
  font-size:16px;font-weight:700;font-family:inherit;transition:.3s;margin-top:8px;
  box-shadow:0 12px 30px rgba(108,30,255,.3);
}
.submit-btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,45,137,.4);}
.submit-btn:active{transform:translateY(0);}
.form-note{font-size:12px;color:var(--muted);margin-top:14px;text-align:center;}

/* ============ Footer ============ */
.site-footer{background:linear-gradient(180deg,#0D0B1E,#171436);color:rgba(255,255,255,.72);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .ai-page-logo{height:44px;width:auto;margin-bottom:18px;filter:brightness(0) invert(1);}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-bottom:16px;}
.footer-brand .fcontact{font-size:13px;line-height:2;}
.footer-brand .fcontact a{color:#9FE8FF;}
.footer-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.68);transition:.25s;display:inline-block;}
.footer-col a:hover{color:var(--cyan);transform:translateX(4px);}
.footer-qr{display:flex;flex-direction:column;gap:12px;}
.footer-qr img{width:118px;height:118px;border-radius:12px;object-fit:cover;border:1px solid rgba(255,255,255,.16);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding:24px 0;text-align:center;font-size:12.5px;color:rgba(255,255,255,.45);}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:12px;}
.footer-links-inline a{color:rgba(255,255,255,.6);font-size:12.5px;transition:.25s;}
.footer-links-inline a:hover{color:var(--cyan);}

/* ============ Float ============ */
.float-btns{position:fixed;right:22px;bottom:26px;z-index:999;display:flex;flex-direction:column;gap:12px;}
.fbtn{
  width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--pink));box-shadow:0 12px 28px rgba(108,30,255,.38);
  transition:.3s;position:relative;
}
.fbtn:hover{transform:translateY(-4px) scale(1.06);}
.fbtn .tip{
  position:absolute;right:66px;top:50%;transform:translateY(-50%);
  background:#1B1830;color:#fff;font-size:12px;padding:6px 12px;border-radius:8px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:.25s;
}
.fbtn:hover .tip{opacity:1;right:70px;}
.fbtn.wechat{background:linear-gradient(135deg,#00C48C,#00D2FF);}
.fbtn.top{background:#fff;color:var(--primary);box-shadow:0 8px 22px rgba(0,0,0,.14);border:1px solid var(--line);}
.wechat-pop{
  position:fixed;right:88px;bottom:90px;z-index:1000;background:#fff;border-radius:16px;
  padding:16px;box-shadow:0 20px 50px rgba(0,0,0,.18);border:1px solid var(--line);
  display:none;width:200px;text-align:center;
}
.wechat-pop.show{display:block;animation:popIn .3s ease;}
@keyframes popIn{from{opacity:0;transform:translateY(10px) scale(.96);}to{opacity:1;transform:none;}}
.wechat-pop img{width:100%;border-radius:10px;margin-bottom:10px;}
.wechat-pop p{font-size:12.5px;color:var(--muted);}

/* ============ Responsive ============ */
@media(max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .hero-visual{flex-direction:row;flex-wrap:wrap;}
  .hero-stat-card{flex:1;min-width:220px;}
  .cards-grid,.comment-grid,.case-grid,.articles-grid,.price-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .ind-grid{grid-template-columns:repeat(2,1fr);}
  .net-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .about-grid,.form-wrap{grid-template-columns:1fr;gap:36px;}
}
@media(max-width:860px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 24px;
    border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.08);
    transform:translateY(-140%);transition:transform .35s ease;max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-links a{padding:12px 8px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .hero{padding:64px 0 84px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:15px;}
  .sec{padding:64px 0;}
  .sec-head h2{font-size:28px;}
  .about-copy h2,.form-info h2{font-size:26px;}
}
@media(max-width:640px){
  .container{padding:0 18px;}
  .hero h1{font-size:27px;}
  .hero-visual{flex-direction:column;}
  .hero-stat-card{min-width:0;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric-card{padding:22px 14px;}
  .metric-card .num{font-size:28px;}
  .cards-grid,.comment-grid,.case-grid,.articles-grid,.price-grid,.steps,.timeline,.ind-grid,.net-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .about-points{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .rating-box{padding:26px 22px;gap:18px;}
  .rating-score{font-size:48px;}
  .stars{font-size:20px;}
  .sec-head h2{font-size:24px;}
  .hero-btns .btn{flex:1;padding:14px 20px;font-size:15px;}
  .float-btns{right:14px;bottom:18px;}
  .fbtn{width:48px;height:48px;font-size:19px;}
  .wechat-pop{right:74px;bottom:80px;width:180px;}
}