*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.72;
  color:#1c1235;
  background-color:#f8f5ff;
  background-image:
    radial-gradient(820px 520px at 6% -6%, #efe1ff 0%, rgba(239,225,255,0) 62%),
    radial-gradient(760px 480px at 98% 2%, #e4e1ff 0%, rgba(228,225,255,0) 60%),
    linear-gradient(180deg,#faf7ff 0%,#f5f2ff 45%,#faf8ff 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:#6b2fd0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:88px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:700;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{color:#fff;background:linear-gradient(135deg,#7a3cf0 0%,#b34cff 58%,#4b7cff 130%);box-shadow:0 14px 28px -14px rgba(122,60,240,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -14px rgba(122,60,240,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#4a2c8f;background:rgba(255,255,255,.8);border-color:rgba(122,60,240,.3)}
.btn-ghost:hover{transform:translateY(-2px);background:#fff;box-shadow:0 14px 26px -16px rgba(122,60,240,.65)}
.btn-lg{padding:15px 30px;font-size:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(122,60,240,.12);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;text-decoration:none;flex:none}
.ai-page-logo{display:block;max-width:180px}
.main-nav{flex:1 1 auto;display:flex;justify-content:flex-end}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:0;list-style:none;margin:0;padding:0}
.nav-links a{
  display:block;padding:9px 11px;border-radius:9px;
  font-size:14.5px;font-weight:600;color:#3b2d61;text-decoration:none;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:#7a3cf0;background:rgba(122,60,240,.09)}
.header-cta{flex:none;padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;flex:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(122,60,240,.24);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#6b2fd0;transition:transform .3s ease,opacity .3s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{padding:58px 0 26px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;width:540px;height:540px;border-radius:50%;top:-230px;right:-140px;
  background:radial-gradient(circle,rgba(179,76,255,.22),rgba(179,76,255,0) 66%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.05em;
  color:#6b2fd0;background:rgba(122,60,240,.1);border:1px solid rgba(122,60,240,.2);
}
.hero h1{
  font-size:clamp(1.85rem,4vw,3rem);line-height:1.24;margin:16px 0 18px;
  letter-spacing:-.02em;color:#180f30;font-weight:800;
}
.hero-lead{margin:0;max-width:560px;font-size:16.5px;color:#5f5480}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin:26px 0 0;padding:0;list-style:none;font-size:14px;font-weight:600;color:#5c4a86}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#7a3cf0,#b34cff)}

.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:330px}
.orb{position:absolute;border-radius:50%;filter:blur(28px);pointer-events:none}
.orb-1{width:210px;height:210px;top:-30px;right:-10px;background:radial-gradient(circle,#c79cff,#7a3cf0 72%);opacity:.5;animation:orbPulse 9s ease-in-out infinite}
.orb-2{width:170px;height:170px;bottom:-24px;left:-14px;background:radial-gradient(circle,#a8c4ff,#4b7cff 72%);opacity:.42;animation:orbPulse 11s ease-in-out infinite reverse}
@keyframes orbPulse{0%,100%{transform:scale(1) translateY(0);opacity:.42}50%{transform:scale(1.12) translateY(-12px);opacity:.62}}
.hero-panel{
  position:relative;width:100%;max-width:430px;padding:26px 24px;border-radius:26px;
  background:linear-gradient(150deg,rgba(255,255,255,.97),rgba(246,240,255,.94));
  border:1px solid rgba(122,60,240,.18);
  box-shadow:0 34px 64px -38px rgba(90,40,180,.7);
  animation:floatPanel 7.5s ease-in-out infinite;
}
@keyframes floatPanel{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero-panel-title{font-size:13.5px;font-weight:800;letter-spacing:.04em;color:#6b2fd0;margin-bottom:16px}
.chip-group{display:flex;flex-wrap:wrap;gap:9px}
.chip-group + .chip-group{margin-top:12px}
.chip{
  display:inline-block;padding:7px 13px;border-radius:999px;font-size:13px;font-weight:600;
  color:#5a2bb5;background:rgba(122,60,240,.1);border:1px solid rgba(122,60,240,.18);
  animation:chipFloat 6s ease-in-out infinite;
}
.chip:nth-child(2n){animation-delay:.7s}
.chip:nth-child(3n){animation-delay:1.3s}
.chip-soft{color:#1f6bb5;background:rgba(75,124,255,.1);border-color:rgba(75,124,255,.2)}
@keyframes chipFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}

/* ---------- metrics ---------- */
.metrics{padding:8px 0 0}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric-card{
  background:rgba(255,255,255,.9);border:1px solid rgba(122,60,240,.14);border-radius:16px;
  padding:20px 16px;text-align:center;box-shadow:0 16px 32px -28px rgba(76,34,158,.8);
  transition:transform .28s ease,box-shadow .28s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -26px rgba(76,34,158,.7)}
.metric-card strong{display:block;font-size:clamp(1.4rem,2.3vw,1.9rem);font-weight:800;color:#6330c9;line-height:1.3}
.metric-card span{display:block;margin-top:4px;font-size:13.5px;color:#6a5f85}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-alt{background:linear-gradient(180deg,rgba(243,237,255,.82),rgba(250,247,255,.55))}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{
  font-size:clamp(1.45rem,2.5vw,2rem);line-height:1.35;margin:14px 0 12px;
  color:#180f30;font-weight:800;letter-spacing:-.01em;
}
.section-sub{margin:0;font-size:15.5px;color:#6a5f85}

/* ---------- cards ---------- */
.card{
  background:rgba(255,255,255,.94);border:1px solid rgba(122,60,240,.14);border-radius:18px;
  padding:22px;box-shadow:0 18px 36px -30px rgba(76,34,158,.9);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:0 28px 46px -28px rgba(76,34,158,.7);border-color:rgba(122,60,240,.32)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:30px;align-items:start}
.about-text p{margin:0 0 14px;font-size:15.5px;color:#4c3f70}
.check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 20px}
.check-list li{position:relative;padding-left:24px;font-size:14.5px;color:#3b2d61;font-weight:600}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:5px;
  background:linear-gradient(135deg,#7a3cf0,#b34cff);
}
.check-list li::after{
  content:"";position:absolute;left:4px;top:10px;width:6px;height:3px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);
}
.about-card{
  border-radius:20px;padding:24px;
  background:linear-gradient(160deg,rgba(122,60,240,.1),rgba(75,124,255,.08));
  border:1px solid rgba(122,60,240,.2);
}
.about-card h3{margin:0 0 16px;font-size:16px;color:#3c2080}
.about-card dl{margin:0;display:grid;gap:14px}
.about-card dt{font-size:13px;color:#7a6aa0;margin-bottom:2px}
.about-card dd{margin:0;font-size:15px;font-weight:700;color:#2a1a52;word-break:break-all}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.service-card h3{display:flex;align-items:center;gap:9px;margin:0 0 8px;font-size:16px;color:#2a1a52}
.service-card h3::before{
  content:"";width:8px;height:8px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#7a3cf0,#b34cff);box-shadow:0 0 0 4px rgba(122,60,240,.12);
}
.service-card p{margin:0;font-size:14.5px;color:#6a5f85;line-height:1.68}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-cloud span{
  padding:7px 14px;border-radius:999px;font-size:13.5px;color:#4a2c8f;background:#fff;
  border:1px solid rgba(122,60,240,.18);transition:transform .25s ease,background .25s ease,box-shadow .25s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);background:rgba(122,60,240,.1);box-shadow:0 10px 20px -16px rgba(76,34,158,.9)}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-card{background:#fff;border:1px solid rgba(122,60,240,.14);border-radius:16px;padding:22px 18px;transition:transform .28s ease,box-shadow .28s ease}
.flow-card:hover{transform:translateY(-5px);box-shadow:0 24px 40px -28px rgba(76,34,158,.8)}
.flow-index{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:#8a6bd6}
.flow-card h3{margin:8px 0 8px;font-size:15.5px;color:#2a1a52}
.flow-card p{margin:0;font-size:14px;color:#6a5f85;line-height:1.65}

/* ---------- solutions ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card h3{margin:0 0 8px;font-size:16px;color:#2a1a52}
.solution-card p{margin:0;font-size:14.5px;color:#6a5f85;line-height:1.68}

/* ---------- network ---------- */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.network-card{background:rgba(255,255,255,.94);border:1px solid rgba(122,60,240,.14);border-radius:16px;padding:22px 18px;transition:transform .28s ease,box-shadow .28s ease}
.network-card:hover{transform:translateY(-4px);box-shadow:0 22px 38px -28px rgba(76,34,158,.8)}
.network-card h3{margin:0 0 8px;font-size:15.5px;color:#2a1a52}
.network-card p{margin:0;font-size:14px;color:#6a5f85;line-height:1.65}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:14px}
.timeline-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  background:rgba(255,255,255,.94);border:1px solid rgba(122,60,240,.14);border-radius:16px;
  padding:18px 22px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.timeline-item:hover{transform:translateX(4px);box-shadow:0 20px 36px -30px rgba(76,34,158,.9);border-color:rgba(122,60,240,.3)}
.step-badge{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#fff;flex:none;
  background:linear-gradient(135deg,#7a3cf0,#b34cff);
  box-shadow:0 12px 22px -14px rgba(122,60,240,.9);
}
.timeline-item h3{margin:0 0 4px;font-size:15.5px;color:#2a1a52}
.timeline-item p{margin:0;font-size:14.5px;color:#6a5f85;line-height:1.65}

/* ---------- cases ---------- */
.case-track{display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.case-item{
  flex:0 0 clamp(240px,32%,360px);scroll-snap-align:start;margin:0;
  border-radius:16px;overflow:hidden;border:1px solid rgba(122,60,240,.16);
  background:#f2ecff;box-shadow:0 18px 36px -30px rgba(76,34,158,.9);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-item:hover{transform:translateY(-4px);box-shadow:0 26px 44px -28px rgba(76,34,158,.8)}
.case-item img{width:100%;height:100%;display:block;object-fit:cover;aspect-ratio:16/10}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{display:flex;flex-direction:column;gap:14px}
.review-text{margin:0;font-size:14.5px;color:#4c3f70;line-height:1.72}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid rgba(122,60,240,.12)}
.avatar{
  width:40px;height:40px;border-radius:12px;flex:none;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,#7a3cf0,#4b7cff);
}
.review-name{font-size:14px;font-weight:700;color:#2a1a52}
.review-role{font-size:12.5px;color:#8a7ea8}

/* ---------- compare ---------- */
.compare-top{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:stretch;margin-bottom:26px}
.score-card{
  border-radius:20px;padding:26px;color:#fff;
  background:linear-gradient(150deg,#6b2fd0,#a03cff 55%,#4b7cff 130%);
  box-shadow:0 28px 52px -30px rgba(88,32,180,.9);
}
.score-label{display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(255,255,255,.22);color:#fff}
.score-num{font-size:clamp(2.4rem,5vw,3.2rem);font-weight:800;line-height:1.1;margin:14px 0 4px;color:#fff}
.score-num span{font-size:1rem;font-weight:600;color:rgba(255,255,255,.82);margin-left:6px}
.score-stars{font-size:18px;letter-spacing:3px;color:#ffe08a}
.score-card p{margin:12px 0 0;font-size:14px;color:rgba(255,255,255,.92);line-height:1.7}
.compare-points{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.compare-points li{
  background:rgba(255,255,255,.94);border:1px solid rgba(122,60,240,.14);border-radius:14px;
  padding:16px 18px;font-size:14.5px;color:#3b2d61;font-weight:600;
  display:flex;align-items:flex-start;gap:10px;line-height:1.6;
}
.compare-points li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:8px;border-radius:50%;
  background:linear-gradient(135deg,#7a3cf0,#b34cff);
}
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid rgba(122,60,240,.16);background:#fff;box-shadow:0 20px 40px -34px rgba(76,34,158,.9)}
table{width:100%;border-collapse:collapse;min-width:700px;font-size:14.5px}
thead th{
  background:linear-gradient(135deg,rgba(122,60,240,.13),rgba(75,124,255,.1));
  color:#3c2080;font-weight:700;text-align:left;padding:15px 18px;white-space:nowrap;
}
tbody td{padding:14px 18px;border-top:1px solid rgba(122,60,240,.1);color:#4c3f70;vertical-align:top}
tbody td:first-child{font-weight:700;color:#2a1a52;white-space:nowrap}
tbody tr:hover{background:rgba(122,60,240,.045)}

/* ---------- token ---------- */
.token-note{
  margin-top:18px;padding:14px 18px;border-radius:14px;font-size:13.5px;color:#5c4a86;
  background:rgba(122,60,240,.07);border:1px dashed rgba(122,60,240,.28);
}

/* ---------- match ---------- */
.match-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.match-card{
  display:block;text-decoration:none;background:rgba(255,255,255,.94);
  border:1px solid rgba(122,60,240,.14);border-radius:16px;padding:20px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.match-card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(76,34,158,.8);border-color:rgba(122,60,240,.34)}
.match-card strong{display:block;font-size:15.5px;color:#2a1a52;margin-bottom:6px}
.match-card span{display:block;font-size:14px;color:#6a5f85;line-height:1.6}
.match-card em{display:block;margin-top:12px;font-style:normal;font-size:13.5px;font-weight:700;color:#7a3cf0}

/* ---------- help ---------- */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.help-card h3{margin:0 0 8px;font-size:15.5px;color:#2a1a52}
.help-card p{margin:0;font-size:14px;color:#6a5f85;line-height:1.65}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid rgba(122,60,240,.14);border-radius:14px;overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item.open{border-color:rgba(122,60,240,.36);box-shadow:0 20px 38px -32px rgba(76,34,158,.9)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-family:inherit;font-size:15.5px;font-weight:700;color:#26194a;
  transition:color .22s ease;
}
.faq-q:hover{color:#7a3cf0}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:16px;font-weight:700;color:#7a3cf0;background:rgba(122,60,240,.1);
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:#7a3cf0;color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;color:#6a5f85;line-height:1.75}

/* ---------- wiki ---------- */
.wiki-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.wiki-card h3{margin:0 0 8px;font-size:15.5px;color:#2a1a52}
.wiki-card p{margin:0;font-size:14px;color:#6a5f85;line-height:1.68}

/* ---------- news ---------- */
.article-slot{
  min-height:120px;padding:24px;border-radius:18px;
  background:rgba(255,255,255,.94);border:1px solid rgba(122,60,240,.14);
  font-size:15px;color:#4c3f70;box-shadow:0 20px 40px -34px rgba(76,34,158,.9);
}

/* ---------- partner ---------- */
.partner-box{
  border-radius:24px;padding:36px;
  background:linear-gradient(140deg,rgba(122,60,240,.12),rgba(179,76,255,.1) 50%,rgba(75,124,255,.12));
  border:1px solid rgba(122,60,240,.22);
  display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;
}
.partner-box h2{margin:14px 0 12px;font-size:clamp(1.35rem,2.4vw,1.85rem);color:#180f30;font-weight:800}
.partner-box p{margin:0;font-size:15px;color:#4c3f70}
.partner-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.partner-list li{
  background:rgba(255,255,255,.9);border:1px solid rgba(122,60,240,.16);border-radius:14px;
  padding:14px 18px;font-size:14.5px;color:#3b2d61;line-height:1.6;
  transition:transform .25s ease,box-shadow .25s ease;
}
.partner-list li:hover{transform:translateX(4px);box-shadow:0 18px 32px -30px rgba(76,34,158,.9)}
.partner-list strong{color:#5b2bb8}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:start}
.contact-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:10px}
.contact-list li{
  display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.94);
  border:1px solid rgba(122,60,240,.14);border-radius:12px;padding:12px 16px;font-size:14.5px;
}
.contact-list li span{flex:none;min-width:70px;font-size:13px;color:#8a7ea8}
.contact-list li a,
.contact-list li p{margin:0;font-weight:600;color:#2a1a52;text-decoration:none;word-break:break-all}
.contact-list li a:hover{color:#7a3cf0}
.qr-card{
  background:rgba(255,255,255,.94);border:1px solid rgba(122,60,240,.14);border-radius:16px;
  padding:20px;text-align:center;
}
.qr-card img{width:150px;height:150px;object-fit:contain;display:block;margin:0 auto 12px;border-radius:12px}
.qr-card p{margin:0;font-size:13.5px;color:#6a5f85}
.contact-form{
  background:#fff;border:1px solid rgba(122,60,240,.16);border-radius:20px;padding:26px;
  box-shadow:0 26px 50px -36px rgba(76,34,158,.9);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:7px;font-size:14px;font-weight:700;color:#33235c}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;font-size:14.5px;font-family:inherit;
  color:#1c1235;background:#fbf9ff;border:1px solid rgba(122,60,240,.2);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:#8a5cf0;box-shadow:0 0 0 4px rgba(122,60,240,.13);
}
.field textarea{min-height:112px;resize:vertical}
.form-submit{width:100%;margin-top:4px}
.form-tip{margin:12px 0 0;font-size:12.5px;color:#8a7ea8;text-align:center}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(170deg,#1d1236 0%,#2a1a52 100%);
  color:#e9e2fa;padding:44px 0 24px;
}
.footer-top{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;align-items:start;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand .ai-page-logo{max-width:170px;background:rgba(255,255,255,.94);padding:8px 12px;border-radius:10px}
.footer-brand p{margin:0;font-size:14px;color:#c9bdea;line-height:1.7}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 12px}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.footer-links a{color:#cdc2ee;font-size:13.5px;text-decoration:none;transition:color .22s ease}
.footer-links a:hover{color:#ffffff;text-decoration:underline}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:18px;font-size:13px;color:#b3a6d6}
.footer-bottom a{color:#d7cdf2;text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* ---------- float / backtop ---------- */
.float-wrap{position:fixed;right:18px;bottom:88px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.service-fab{
  width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;font-family:inherit;
  background:linear-gradient(135deg,#7a3cf0,#b34cff);
  box-shadow:0 18px 32px -16px rgba(122,60,240,.95);
  transition:transform .25s ease,box-shadow .25s ease;
}
.service-fab:hover{transform:translateY(-3px) scale(1.04)}
.service-panel{
  display:none;width:214px;padding:16px;border-radius:16px;background:#fff;
  border:1px solid rgba(122,60,240,.2);box-shadow:0 24px 46px -22px rgba(76,34,158,.7);
  text-align:center;
}
.service-panel.open{display:block;animation:panelIn .28s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.service-panel img{width:120px;height:120px;object-fit:contain;display:block;margin:0 auto 10px;border-radius:10px}
.service-panel p{margin:0;font-size:13px;color:#4c3f70;line-height:1.6}
.service-panel .qq{margin-top:8px;font-size:13px;color:#6b2fd0;font-weight:700}
#backTop{
  position:fixed;right:18px;bottom:22px;z-index:70;width:48px;height:48px;border-radius:14px;
  border:1px solid rgba(122,60,240,.24);background:#fff;color:#6b2fd0;font-size:18px;font-weight:800;
  cursor:pointer;display:grid;place-items:center;opacity:0;visibility:hidden;
  box-shadow:0 16px 30px -20px rgba(76,34,158,.9);
  transition:opacity .3s ease,visibility .3s ease,transform .3s ease;
}
#backTop.show{opacity:1;visibility:visible}
#backTop:hover{transform:translateY(-3px)}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links a{padding:8px 9px;font-size:13.5px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{min-height:270px}
  .service-grid,.solution-grid,.review-grid,.wiki-grid,.match-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid,.flow-grid,.network-grid,.help-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid,.compare-top,.partner-box{grid-template-columns:1fr}
  .compare-points{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;display:none;
    background:#fff;border-bottom:1px solid rgba(122,60,240,.14);
    box-shadow:0 24px 44px -32px rgba(76,34,158,.9);
    padding:10px 16px 16px;
  }
  .main-nav.open{display:block;animation:panelIn .26s ease}
  .nav-links{flex-direction:column;align-items:stretch;justify-content:flex-start}
  .nav-links a{padding:12px 10px;border-radius:10px;font-size:15px}
  .header-cta{padding:9px 16px;font-size:13.5px}
}
@media (max-width:720px){
  .section{padding:52px 0}
  .hero{padding:40px 0 20px}
  .service-grid,.solution-grid,.review-grid,.wiki-grid,.match-grid,
  .metric-grid,.flow-grid,.network-grid,.help-grid,.compare-points,.form-row,
  .check-list{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .header-cta{display:none}
  .partner-box{padding:24px}
  .contact-form{padding:20px}
  .case-item{flex:0 0 78%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  [data-reveal]{opacity:1;transform:none}
}