*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:#1d1230;
  background-color:#faf8ff;
  background-image:
    radial-gradient(900px 480px at 6% -6%,rgba(139,92,246,.16),transparent 62%),
    radial-gradient(760px 460px at 96% 4%,rgba(236,72,153,.13),transparent 62%),
    radial-gradient(900px 700px at 50% 46%,rgba(99,102,241,.09),transparent 68%);
  background-repeat:no-repeat;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{color:#1d1230;letter-spacing:.2px}
h2{font-size:clamp(22px,3vw,30px);line-height:1.35;margin:0 0 12px;font-weight:800}
h3{font-size:17px;line-height:1.5;margin:0 0 8px;font-weight:800}
p{margin:0 0 12px}
a{color:#6d28d9}
.container{width:100%;max-width:1180px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
.section{padding:clamp(44px,6vw,72px) 0}
.section-head{max-width:780px;margin-bottom:clamp(22px,3vw,34px)}
.section-desc{color:#5f5480;font-size:15.5px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#7c3aed;background:rgba(124,58,237,.08);border:1px solid rgba(124,58,237,.18);padding:4px 12px;border-radius:999px;margin:0 0 14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease}
.btn-primary{background:linear-gradient(135deg,#7c3aed,#a855f7 55%,#ec4899);color:#fff;box-shadow:0 10px 26px rgba(124,58,237,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(124,58,237,.4)}
.btn-ghost{background:#fff;color:#5b21b6;border-color:rgba(124,58,237,.38)}
.btn-ghost:hover{background:rgba(124,58,237,.08);transform:translateY(-2px)}
.btn-soft{background:rgba(124,58,237,.1);color:#5b21b6;border-color:rgba(124,58,237,.2)}
.btn-soft:hover{background:rgba(124,58,237,.18);transform:translateY(-2px)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(124,58,237,.14)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#2a1a4a;font-weight:800;font-size:16.5px;white-space:nowrap}
.ai-page-logo{max-height:36px;width:auto;display:block}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:9px 10px;font-size:14.5px;color:#3b2a5c;text-decoration:none;border-radius:10px;transition:color .22s ease,background .22s ease}
.nav-links a:hover{color:#6d28d9;background:rgba(124,58,237,.08)}
.header-cta{padding:10px 18px;font-size:14.5px;white-space:nowrap}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:40px;align-items:center;justify-content:center;background:#fff;border:1px solid rgba(124,58,237,.2);border-radius:12px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:#5b21b6;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;padding:clamp(36px,5vw,64px) 0 clamp(30px,4vw,48px);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(24px,4vw,48px);align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(27px,4.2vw,42px);line-height:1.24;margin:0 0 16px;letter-spacing:.5px}
.hero-lead{font-size:16px;color:#54476f;margin:0 0 22px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.hero-points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 18px}
.hero-points li{position:relative;padding-left:18px;font-size:14px;color:#4a3d63}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#ec4899)}
.hero-panel{background:rgba(255,255,255,.82);border:1px solid rgba(124,58,237,.22);border-radius:24px;padding:24px;box-shadow:0 24px 60px rgba(91,33,182,.14);backdrop-filter:blur(10px)}
.panel-head{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;color:#5b21b6;letter-spacing:1px;margin-bottom:16px}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.chip-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid rgba(124,58,237,.22);font-size:13px;font-weight:700;color:#5b21b6;transition:transform .22s ease,box-shadow .22s ease,background .22s ease}
.chip:hover{transform:translateY(-2px);background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(124,58,237,.28)}
.panel-flow{display:grid;gap:10px;border-top:1px dashed rgba(124,58,237,.24);padding-top:16px}
.panel-flow div{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(124,58,237,.06);border-radius:12px;padding:10px 14px;font-size:14px;color:#3b2a5c}
.panel-flow strong{color:#5b21b6;font-size:14px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(26px,4vw,42px);position:relative;z-index:1}
.stat{background:rgba(255,255,255,.85);border:1px solid rgba(124,58,237,.18);border-radius:16px;padding:16px 20px;box-shadow:0 4px 16px rgba(76,29,149,.07)}
.stat strong{display:block;font-size:22px;color:#5b21b6;letter-spacing:.5px;line-height:1.4}
.stat span{font-size:13.5px;color:#6b6083}

/* cards & grids */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid rgba(124,58,237,.16);border-radius:18px;padding:24px;box-shadow:0 4px 16px rgba(76,29,149,.07);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(76,29,149,.14);border-color:rgba(124,58,237,.34)}
.card p{color:#5f5480;font-size:14.5px;margin:0}
.icon-wrap{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:linear-gradient(135deg,#ede9fe,#ddd6fe);color:#6d28d9}
.icon-wrap svg{width:22px;height:22px}
.service-card:nth-child(3n+2) .icon-wrap{background:linear-gradient(135deg,#fce7f3,#fbcfe8);color:#be185d}
.service-card:nth-child(3n+3) .icon-wrap{background:linear-gradient(135deg,#e0e7ff,#c7d2fe);color:#4338ca}

/* about */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,44px);align-items:start}
.about-text p{color:#54476f;font-size:15.5px}
.about-list{list-style:none;margin:16px 0 22px;padding:0;display:grid;gap:10px}
.about-list li{display:flex;gap:10px;font-size:14.5px;color:#3b2a5c}
.about-list li::before{content:"";flex:none;width:8px;height:8px;margin-top:8px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#ec4899)}
.about-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.mini-card{background:#fff;border:1px solid rgba(124,58,237,.16);border-radius:16px;padding:18px;box-shadow:0 4px 16px rgba(76,29,149,.06);transition:transform .25s ease,box-shadow .25s ease}
.mini-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(76,29,149,.13)}
.mini-card strong{display:block;font-size:14.5px;color:#2a1a4a;margin-bottom:4px}
.mini-card span{font-size:13px;color:#6b6083;line-height:1.6}

/* flow cards (studio) */
.flow-card{position:relative;background:#fff;border:1px solid rgba(124,58,237,.16);border-radius:16px;padding:22px 22px 22px 26px;box-shadow:0 4px 16px rgba(76,29,149,.06);transition:transform .25s ease,box-shadow .25s ease}
.flow-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:4px;background:linear-gradient(180deg,#8b5cf6,#ec4899)}
.flow-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(76,29,149,.13)}
.flow-card h3{margin-bottom:6px}
.flow-card p{color:#5f5480;font-size:14.5px;margin:0}

/* chips cloud (solutions) */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chips span{padding:7px 15px;border-radius:999px;background:#fff;border:1px solid rgba(124,58,237,.18);font-size:14px;color:#4a3d63;transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease}
.chips span:hover{background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 10px 22px rgba(124,58,237,.24)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;list-style:none;margin:0;padding:0}
.step{background:#fff;border:1px solid rgba(124,58,237,.16);border-radius:16px;padding:20px;position:relative;overflow:hidden;box-shadow:0 4px 16px rgba(76,29,149,.06);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(76,29,149,.13)}
.step-num{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#8b5cf6;margin-bottom:8px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{color:#5f5480;font-size:14px;margin:0}

/* cases */
.case-media{aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#f3ebff,#ffe9f6);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.case-media img{width:100%;height:100%;object-fit:contain}

/* reviews */
.review-card{display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.review-text{color:#3b2a5c;font-size:14.5px;margin:0}
.reviewer strong{display:block;font-size:14.5px;color:#2a1a4a}
.reviewer span{font-size:13px;color:#7a6b95}

/* compare */
.rate-card{display:flex;flex-wrap:wrap;align-items:center;gap:18px 30px;padding:24px 28px;border-radius:20px;background:linear-gradient(135deg,rgba(124,58,237,.1),rgba(236,72,153,.1));border:1px solid rgba(124,58,237,.24);margin-bottom:24px}
.rate-score{font-size:44px;font-weight:900;color:#5b21b6;line-height:1}
.rate-score span{font-size:17px;color:#7a6b95;font-weight:700;margin-left:4px}
.rate-meta{flex:1;min-width:230px}
.rate-stars{color:#f59e0b;font-size:19px;letter-spacing:4px;line-height:1.2;margin-bottom:4px}
.rate-meta p{margin:0;font-size:14.5px;color:#4a3d63}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid rgba(124,58,237,.16);border-radius:18px;box-shadow:0 4px 16px rgba(76,29,149,.07);-webkit-overflow-scrolling:touch}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(124,58,237,.12);vertical-align:top;color:#3b2a5c}
.compare-table thead th{background:rgba(124,58,237,.08);color:#4c1d95;font-weight:800;font-size:14px;white-space:nowrap}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:nth-child(even){background:rgba(124,58,237,.03)}
.compare-table .col-us{background:rgba(124,58,237,.09);color:#4c1d95;font-weight:700}

/* token */
.token-card strong{display:block;font-size:15px;color:#2a1a4a;margin-bottom:6px}
.token-note{margin-top:18px;font-size:14px;color:#5f5480;background:rgba(124,58,237,.06);border:1px dashed rgba(124,58,237,.26);border-radius:14px;padding:14px 18px}

/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid rgba(124,58,237,.16);border-radius:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item.open{border-color:rgba(124,58,237,.42);box-shadow:0 10px 26px rgba(76,29,149,.1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:none;border:0;font-size:15.5px;font-weight:700;color:#2a1a4a;text-align:left;cursor:pointer;font-family:inherit;line-height:1.6}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#7c3aed;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{margin:0;padding:0 20px 18px;color:#5f5480;font-size:14.5px}

/* news links */
.news-links{display:flex;flex-wrap:wrap;gap:10px}
.news-links a{display:inline-flex;align-items:center;padding:8px 16px;border-radius:12px;background:#fff;border:1px solid rgba(124,58,237,.18);color:#4a3d63;font-size:14px;text-decoration:none;transition:transform .22s ease,box-shadow .22s ease,color .22s ease}
.news-links a:hover{transform:translateY(-2px);color:#5b21b6;box-shadow:0 10px 22px rgba(124,58,237,.16)}

/* contact */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:start}
.info-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.info-list li{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:14.5px;color:#3b2a5c;padding-bottom:12px;border-bottom:1px dashed rgba(124,58,237,.18)}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list b{color:#2a1a4a;font-weight:800;min-width:82px}
.info-list a{color:#6d28d9;text-decoration:none;word-break:break-all}
.info-list a:hover{text-decoration:underline}
.qr-box{display:flex;justify-content:center;padding:10px;background:#f7f3ff;border-radius:12px;margin-top:14px;min-height:120px}
.qr-box img{max-width:150px;width:100%;height:auto;object-fit:contain;border-radius:6px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}
.field{display:block}
.field span{display:block;font-size:13.5px;font-weight:700;color:#3b2a5c;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border-radius:12px;border:1px solid rgba(124,58,237,.22);background:#fdfbff;color:#2a1a4a;font-size:14.5px;font-family:inherit;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#7c3aed;background:#fff;box-shadow:0 0 0 4px rgba(124,58,237,.12)}
.field textarea{resize:vertical;min-height:110px}
.form-tip{font-size:13px;color:#7a6b95;margin:12px 0 0}

/* agent */
.agent-band{background:linear-gradient(135deg,rgba(124,58,237,.1),rgba(236,72,153,.09));border:1px solid rgba(124,58,237,.22);border-radius:22px;padding:clamp(24px,4vw,38px)}

/* footer */
.site-footer{background:linear-gradient(150deg,#2a1552,#3b1d6e 55%,#4a1f63);color:#e9e2f7;padding:44px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.25fr .85fr 1.5fr;gap:28px}
.footer-brand-name{font-size:18px;font-weight:800;color:#fff;margin:0 0 10px}
.site-footer p{color:#cfc1ea;font-size:14px;margin:0 0 8px}
.site-footer h3{color:#fff;font-size:15px;margin:0 0 12px}
.footer-nav{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-nav a{color:#cfc1ea;text-decoration:none;font-size:14px;transition:color .22s ease}
.footer-nav a:hover{color:#fff}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 14px}
.footer-links a{color:#cfc1ea;text-decoration:none;font-size:13.5px;transition:color .22s ease}
.footer-links a:hover{color:#fff}
.footer-bottom{margin-top:28px;padding:16px 0;border-top:1px solid rgba(255,255,255,.16);text-align:center;font-size:13px;color:#c3b4e0}

/* float tools */
.float-tools{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;align-items:flex-end;gap:10px;z-index:60}
.float-btn{display:inline-flex;align-items:center;justify-content:center;min-width:54px;height:52px;padding:0 14px;border-radius:16px;border:0;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,#7c3aed,#ec4899);box-shadow:0 12px 28px rgba(124,58,237,.35);transition:transform .2s ease,opacity .25s ease,visibility .25s ease,box-shadow .2s ease}
.float-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(124,58,237,.42)}
#backTop{opacity:0;visibility:hidden;transform:translateY(8px)}
#backTop.show{opacity:1;visibility:visible;transform:none}
.service-panel{width:216px;background:#fff;border:1px solid rgba(124,58,237,.2);border-radius:16px;box-shadow:0 18px 44px rgba(76,29,149,.18);padding:14px;font-size:13.5px;color:#3b2a5c}
.service-panel[hidden]{display:none}
.service-panel p{margin:0 0 6px;color:#4a3d63;font-size:13px}
.service-panel strong{color:#5b21b6}

@media (max-width:1080px){
  .nav-toggle{display:flex}
  .nav{position:absolute;left:0;right:0;top:100%;display:none;background:#fff;border-bottom:1px solid rgba(124,58,237,.16);box-shadow:0 18px 40px rgba(76,29,149,.14);padding:10px 0}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:0 16px}
  .nav-links a{padding:12px 10px;border-radius:10px;font-size:15px}
  .hero-inner{grid-template-columns:1fr}
  .hero-panel{max-width:560px}
  .about-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .header-cta{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .about-cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .rate-card{padding:20px}
  .rate-score{font-size:36px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .pulse-dot{animation:none}
}

.reveal{opacity:1 !important;transform:none !important}