*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.72;color:#171326;background-color:#fff8f3;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 6% -10%, rgba(255,138,76,.32), rgba(255,138,76,0) 62%),
    radial-gradient(820px 520px at 98% -6%, rgba(122,60,255,.22), rgba(122,60,255,0) 60%),
    radial-gradient(760px 460px at 50% 52%, rgba(255,45,120,.10), rgba(255,45,120,0) 68%),
    radial-gradient(700px 420px at 12% 96%, rgba(0,191,165,.14), rgba(0,191,165,0) 66%),
    linear-gradient(180deg,#fff8f3 0%,#f8f5ff 40%,#fff6ef 72%,#fff8f3 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:62px 0}
h1,h2,h3{line-height:1.3;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#171326}
h3{font-size:17px;font-weight:700;color:#171326}
p{color:#4c4661}
.sec-head{max-width:780px;margin-bottom:32px}
.sec-head p{margin-top:12px;font-size:15.5px;color:#5f5a75}
.sec-head .hl{color:#ff4a24}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,249,244,.88);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid rgba(23,19,38,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.ai-page-logo{width:auto;max-height:40px}
.nav{position:relative}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links a{display:block;padding:8px 12px;font-size:14px;color:#3b3552;border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links a:hover{color:#ff4a24;background:rgba(255,74,36,.09)}
.nav-toggle{display:none;width:44px;height:38px;border:1px solid rgba(23,19,38,.14);border-radius:11px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#171326;transition:transform .25s,opacity .25s}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .2s,box-shadow .25s,border-color .25s,color .25s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(115deg,#ff6a1a,#ff2d78 55%,#7a3cff);color:#fff;box-shadow:0 14px 26px -14px rgba(255,45,120,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(255,45,120,.9)}
.btn-ghost{background:#fff;color:#171326;border-color:rgba(23,19,38,.14);box-shadow:0 8px 18px -14px rgba(23,19,38,.6)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(255,74,36,.5);color:#ff4a24}

/* hero */
.hero{padding:58px 0 26px}
.hero-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.hero-tag{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.8);border:1px solid rgba(255,74,36,.3);color:#e0330f;font-size:13px;font-weight:600}
.hero h1{margin-top:18px;font-size:clamp(30px,4.2vw,46px);font-weight:800;color:#171326}
.hero h1 .hl{color:#ff3d1f}
.hero-lead{margin-top:18px;font-size:16px;color:#4c4661;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:34px}
.metric{background:rgba(255,255,255,.82);border:1px solid rgba(23,19,38,.08);border-radius:16px;padding:14px 16px}
.metric strong{display:block;font-size:21px;font-weight:800;color:#ff3d1f;line-height:1.35}
.metric span{font-size:13px;color:#5f5a75}
.hero-panel{min-width:0}
.panel-card{background:linear-gradient(160deg,#ffffff,#fff3ea 52%,#f3efff);border:1px solid rgba(23,19,38,.09);border-radius:26px;padding:26px;box-shadow:0 32px 62px -40px rgba(23,19,38,.6);animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.panel-head{display:flex;align-items:center;gap:9px}
.panel-dot{width:9px;height:9px;border-radius:50%;background:#00bfa5;box-shadow:0 0 0 4px rgba(0,191,165,.16)}
.panel-title{font-size:15px;font-weight:700;color:#171326}
.panel-badge{margin-left:auto;font-size:12px;font-weight:600;color:#7a3cff;background:rgba(122,60,255,.1);padding:3px 10px;border-radius:999px}
.model-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.model-chips span{font-size:12.5px;color:#332d4a;background:rgba(255,255,255,.9);border:1px solid rgba(23,19,38,.1);border-radius:8px;padding:5px 10px}
.model-chips .chip-more{color:#e0330f;border-color:rgba(255,74,36,.35);background:rgba(255,74,36,.08);font-weight:600}
.panel-flow{margin-top:20px}
.flow-step{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;background:#fff;border:1px solid rgba(23,19,38,.09);font-size:14px;font-weight:600;color:#2a2440}
.flow-index{font-size:11px;font-weight:700;color:#ff4a24;background:#fff0e9;border-radius:6px;padding:2px 6px}
.flow-line{width:2px;height:14px;margin-left:26px;border-radius:2px;background:linear-gradient(#ffb08a,#c9b6ff)}
.panel-note{margin-top:18px;font-size:13px;color:#5f5a75}

/* grids & cards */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:20px;padding:22px;box-shadow:0 2px 0 rgba(23,19,38,.02);transition:transform .28s,box-shadow .28s,border-color .28s}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -32px rgba(23,19,38,.55);border-color:rgba(255,74,36,.3)}
.card p{margin-top:9px;font-size:14.5px;color:#5f5a75}
.card-top{display:flex;align-items:center;gap:11px}
.icon-badge{width:38px;height:38px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ffe2d2,#ffd3e6);color:#e0330f}
.icon-badge.v2{background:linear-gradient(135deg,#e3dcff,#d9e6ff);color:#5b32d6}
.icon-badge.v3{background:linear-gradient(135deg,#d6f5ef,#e2f2ff);color:#00897b}
.icon-badge svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.tag-row span{font-size:12px;color:#4c4661;background:#f6f3fb;border-radius:7px;padding:4px 9px}

/* chip cloud */
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip-cloud span{font-size:13.5px;color:#332d4a;background:#fff;border:1px solid rgba(23,19,38,.1);border-radius:999px;padding:8px 15px;transition:transform .2s,border-color .2s,color .2s}
.chip-cloud span:hover{transform:translateY(-2px);border-color:rgba(255,74,36,.45);color:#e0330f}

/* network list */
.network-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:16px;padding:18px}
.network-item .bar{width:4px;align-self:stretch;border-radius:4px;background:linear-gradient(#ff6a1a,#7a3cff);flex:0 0 auto}
.network-item h3{font-size:15.5px}
.network-item p{margin-top:5px;font-size:14px;color:#5f5a75}

/* process */
.process{display:grid;gap:14px;counter-reset:step}
.process li{position:relative;display:flex;gap:16px;background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:16px;padding:18px 20px;transition:transform .25s,box-shadow .25s}
.process li:hover{transform:translateX(3px);box-shadow:0 20px 36px -30px rgba(23,19,38,.6)}
.process li::before{counter-increment:step;content:"0" counter(step);flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(140deg,#ff6a1a,#ff2d78)}
.process h3{font-size:15.5px}
.process p{margin-top:5px;font-size:14px;color:#5f5a75}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.case-card{background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:18px;overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -32px rgba(23,19,38,.55);border-color:rgba(255,74,36,.3)}
.case-media{background:#f4f1fb;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:10px}
.case-media img{width:100%;height:100%;object-fit:contain}
.case-body{padding:15px 16px 18px}
.case-body h3{font-size:14.8px}
.case-body p{margin-top:6px;font-size:13px;color:#5f5a75}

/* compare */
.rating{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;background:linear-gradient(120deg,#fff5ec,#f4efff);border:1px solid rgba(255,74,36,.22);border-radius:22px;padding:26px;margin-bottom:22px}
.rating-score{font-size:52px;font-weight:800;line-height:1;color:#f0340f}
.rating-score small{font-size:16px;font-weight:600;color:#5f5a75;margin-left:6px}
.rating-info p{font-size:14.5px;color:#4c4661}
.stars{color:#ff9500;letter-spacing:4px;font-size:18px;margin-top:6px}
.table-wrap{overflow-x:auto;border:1px solid rgba(23,19,38,.1);border-radius:18px;background:#fff;box-shadow:0 20px 44px -36px rgba(23,19,38,.7)}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(23,19,38,.07);vertical-align:top}
thead th{background:#fff2ea;color:#171326;font-weight:700;font-size:14px;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffaf6}
td.best{color:#e0330f;font-weight:700}
td.dim{color:#7b7590}

/* reviews */
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(140deg,#ff6a1a,#ff2d78);flex:0 0 auto}
.avatar.b{background:linear-gradient(140deg,#7a3cff,#3c8bff)}
.avatar.c{background:linear-gradient(140deg,#00bfa5,#38b6ff)}
.review-name{font-size:14.5px;font-weight:700;color:#171326}
.review-role{font-size:12.5px;color:#7b7590}
.review-text{margin-top:14px;font-size:14.5px;color:#4c4661}

/* token */
.price-card{background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:18px;padding:22px;transition:transform .25s,box-shadow .25s,border-color .25s}
.price-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -32px rgba(23,19,38,.55);border-color:rgba(122,60,255,.35)}
.price-card h3{font-size:16px}
.price-card p{margin-top:8px;font-size:14px;color:#5f5a75}
.price-note{margin-top:18px;font-size:13.5px;color:#7b7590}

/* form */
.form-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start}
.form-aside p{margin-top:14px;font-size:15px;color:#5f5a75}
.form-aside .mini-list{margin-top:20px;display:grid;gap:10px}
.form-aside .mini-list li{display:flex;gap:9px;font-size:14px;color:#4c4661}
.form-aside .mini-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(140deg,#ff6a1a,#7a3cff);flex:0 0 auto;margin-top:8px}
.demand-form{background:#fff;border:1px solid rgba(23,19,38,.1);border-radius:22px;padding:26px;box-shadow:0 26px 50px -40px rgba(23,19,38,.7)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:#3b3552}
.field input,.field select,.field textarea{font-family:inherit;font-size:14.5px;padding:12px 14px;border-radius:12px;border:1px solid rgba(23,19,38,.16);background:#fff;color:#171326;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#ff4a24;box-shadow:0 0 0 3px rgba(255,74,36,.15)}
.form-actions{margin-top:20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-actions .tip{font-size:13px;color:#7b7590}

/* faq */
.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start}
.help-card{background:#fff;border:1px solid rgba(23,19,38,.1);border-radius:18px;padding:22px}
.help-card h3{font-size:16px}
.help-list{margin-top:14px;display:grid;gap:10px}
.help-list a{display:block;font-size:14px;color:#4c4661;background:#f8f5ff;border-radius:10px;padding:10px 13px;transition:background .2s,color .2s}
.help-list a:hover{background:#fff0e9;color:#e0330f}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid rgba(23,19,38,.1);border-radius:16px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:rgba(255,74,36,.4);box-shadow:0 20px 38px -32px rgba(255,74,36,.9)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;background:none;border:0;font-family:inherit;font-size:15.5px;font-weight:600;color:#171326;text-align:left;cursor:pointer}
.faq-q .faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .3s}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{content:"";position:absolute;background:#ff4a24;border-radius:2px}
.faq-q .faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-q .faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .3s}
.faq-item.open .faq-icon{transform:rotate(90deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 18px 18px;font-size:14.5px;color:#5f5a75}

/* articles */
.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:18px;padding:22px;transition:transform .25s,box-shadow .25s,border-color .25s}
.article-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -32px rgba(23,19,38,.55);border-color:rgba(122,60,255,.35)}
.article-card h3{font-size:15.5px}
.article-card p{margin-top:8px;font-size:14px;color:#5f5a75}
.article-card .more{margin-top:16px;font-size:13.5px;font-weight:600;color:#e0330f}

/* join */
.join-card{background:linear-gradient(125deg,#fff4ec,#f5f0ff 60%,#eefaf7);border:1px solid rgba(122,60,255,.22);border-radius:24px;padding:34px;display:grid;grid-template-columns:1.3fr auto;gap:26px;align-items:center}
.join-card h2{font-size:clamp(22px,2.6vw,30px)}
.join-card p{margin-top:12px;font-size:15px;color:#4c4661;max-width:640px}
.join-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.join-points span{font-size:13px;color:#4c4661;background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:999px;padding:6px 13px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
.contact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.contact-item{background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:16px;padding:16px 18px}
.contact-item .k{font-size:12.5px;color:#7b7590}
.contact-item .v{display:block;margin-top:4px;font-size:14.8px;font-weight:600;color:#171326;word-break:break-all}
.contact-item a.v:hover{color:#e0330f}
.qr-card{background:#fff;border:1px solid rgba(23,19,38,.09);border-radius:20px;padding:22px;text-align:center}
.qr-card img{width:170px;height:170px;object-fit:contain;margin:0 auto;border-radius:12px;background:#f8f5ff}
.qr-card p{margin-top:14px;font-size:14px;color:#4c4661}
.qr-card .qr-note{font-size:12.5px;color:#7b7590}

/* footer */
.site-footer{background:#161227;color:#cfc9e2;padding:44px 0 26px;margin-top:20px}
.footer-top{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:start}
.footer-title{font-size:18px;font-weight:800;color:#fff}
.footer-desc{margin-top:10px;font-size:13.5px;color:#b3adc9;max-width:420px}
.footer-links-title{font-size:13.5px;font-weight:700;color:#fff;margin-bottom:12px}
.link-chips{display:flex;flex-wrap:wrap;gap:8px}
.link-chips a{font-size:12.5px;color:#ffd3c3;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:5px 11px;transition:background .2s,color .2s}
.link-chips a:hover{background:rgba(255,74,36,.22);color:#fff}
.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:13px;color:#a9a3c0}
.footer-bottom .ai-page-home-link{font-size:13px;color:#ffd3c3}
.footer-bottom .ai-page-home-link:hover{color:#fff}

/* floating */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px}
.dock-btn{width:52px;height:52px;border-radius:16px;border:1px solid rgba(23,19,38,.1);background:#fff;color:#332d4a;font-size:12.5px;font-weight:700;cursor:pointer;font-family:inherit;box-shadow:0 16px 30px -18px rgba(23,19,38,.6);transition:transform .2s,color .2s,border-color .2s}
.dock-btn:hover{transform:translateY(-3px);color:#e0330f;border-color:rgba(255,74,36,.5)}
.dock-btn.primary{background:linear-gradient(140deg,#ff6a1a,#ff2d78);color:#fff;border-color:transparent}
#topBtn{opacity:0;pointer-events:none;transition:opacity .3s,transform .2s}
#topBtn.show{opacity:1;pointer-events:auto}
.cs-panel{position:fixed;right:18px;bottom:88px;z-index:81;width:250px;background:#fff;border:1px solid rgba(23,19,38,.12);border-radius:18px;padding:18px;box-shadow:0 30px 60px -30px rgba(23,19,38,.65);display:none}
.cs-panel.open{display:block;animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.cs-panel .cs-title{font-size:14px;font-weight:700;color:#171326}
.cs-panel img{width:120px;height:120px;object-fit:contain;margin:12px auto 0;border-radius:10px;background:#f8f5ff}
.cs-line{margin-top:9px;font-size:12.8px;color:#5f5a75;word-break:break-all}

/* reveal */
.reveal-init{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal-init.in{opacity:1;transform:translateY(0)}

@media (max-width:1080px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;display:none;background:#fff;border-bottom:1px solid rgba(23,19,38,.09);box-shadow:0 22px 34px -26px rgba(23,19,38,.6);padding:10px 20px 18px}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:12px 6px;border-bottom:1px solid rgba(23,19,38,.06);border-radius:0}
  .grid-4,.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .form-layout,.faq-layout,.contact-grid{grid-template-columns:1fr;gap:26px}
  .join-card{grid-template-columns:1fr;padding:26px}
}
@media (max-width:640px){
  section{padding:46px 0}
  .grid-2,.grid-3,.grid-4,.case-grid,.contact-list,.form-grid{grid-template-columns:1fr}
  .rating{grid-template-columns:1fr;gap:14px;text-align:left}
  .footer-top{grid-template-columns:1fr}
  .hero{padding:38px 0 16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metrics{grid-template-columns:1fr}
  .panel-card{padding:20px}
  .demand-form{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal-init{opacity:1;transform:none}
}