:root{
  --candy-pink:#ff5f8f;
  --candy-orange:#ff9a3c;
  --candy-yellow:#ffd23f;
  --candy-mint:#3ddc97;
  --candy-sky:#3ea6ff;
  --candy-violet:#8a5cff;
  --ink:#231a2e;
  --ink-soft:#5a5168;
  --paper:#fffaf3;
  --card:#ffffff;
  --line:#f0e4d8;
  --radius:20px;
  --shadow:0 12px 32px rgba(35,26,46,.08);
  --shadow-hover:0 18px 44px rgba(138,92,255,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255,95,143,.14), transparent 60%),
    radial-gradient(900px 500px at -5% 20%, rgba(62,166,255,.12), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, rgba(255,210,63,.16), transparent 65%),
    var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
h1,h2,h3{line-height:1.35;letter-spacing:.2px}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:clamp(17px,2vw,20px)}
.section{padding:64px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 40px}
.section-head .eye{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:#fff;padding:5px 14px;border-radius:999px;background:linear-gradient(90deg,var(--candy-pink),var(--candy-violet));margin-bottom:14px}
.section-head p{color:var(--ink-soft);margin-top:12px;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease}
.btn-primary{background:linear-gradient(120deg,var(--candy-pink),var(--candy-orange));color:#fff;box-shadow:0 10px 24px rgba(255,95,143,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(255,95,143,.45)}
.btn-ghost{background:#fff;color:var(--ink);border:2px solid var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--candy-sky);color:var(--candy-sky)}
.btn:active{transform:translateY(0) scale(.98)}

/* NAV */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(255,250,243,.86);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex-shrink:0}
.brand .ai-page-logo{width:auto;max-width:132px}
.brand-name{white-space:nowrap;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{padding:8px 11px;font-size:14px;font-weight:600;color:var(--ink-soft);border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--candy-pink);background:rgba(255,95,143,.08)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta .btn{padding:10px 18px;font-size:14px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.menu-toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;padding:12px 0 18px;border-top:1px dashed var(--line)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 6px;font-weight:600;color:var(--ink-soft);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu .btn{width:100%;margin-top:12px}

/* HERO */
.hero{position:relative;overflow:hidden;padding:70px 0 76px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;z-index:0;animation:float 12s ease-in-out infinite}
.hero::before{width:420px;height:420px;background:rgba(255,95,143,.45);top:-120px;right:-80px}
.hero::after{width:380px;height:380px;background:rgba(62,166,255,.4);bottom:-140px;left:-100px;animation-delay:3s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-24px)}}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--candy-violet);box-shadow:var(--shadow);margin-bottom:20px}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--candy-mint);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(61,220,151,.6)}50%{box-shadow:0 0 0 8px rgba(61,220,151,0)}}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--candy-pink),var(--candy-orange) 50%,var(--candy-violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:16px;color:var(--ink-soft);margin-bottom:26px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.hero-tags span{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--ink-soft);transition:.25s}
.hero-tags span:hover{color:#fff;background:linear-gradient(120deg,var(--candy-sky),var(--candy-violet));border-color:transparent;transform:translateY(-2px)}
.hero-panel{display:grid;gap:14px}
.metric-card{background:var(--card);border-radius:var(--radius);padding:20px 22px;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;gap:16px;transition:transform .3s ease,box-shadow .3s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.metric-ico{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;flex-shrink:0}
.mi-1{background:linear-gradient(135deg,var(--candy-pink),var(--candy-orange))}
.mi-2{background:linear-gradient(135deg,var(--candy-sky),var(--candy-violet))}
.mi-3{background:linear-gradient(135deg,var(--candy-mint),var(--candy-sky))}
.metric-card strong{display:block;font-size:20px;line-height:1.2}
.metric-card small{color:var(--ink-soft);font-size:13px}

/* ABOUT + platform intro */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.about-text p{color:var(--ink-soft);margin-bottom:16px;font-size:15px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.about-list li{list-style:none;display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink);font-weight:600}
.about-list li::before{content:"";width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--candy-mint),var(--candy-sky));flex-shrink:0;margin-top:3px}
.about-visual{display:grid;gap:14px}
.visual-note{background:linear-gradient(135deg,#fff,#fff4ea);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.visual-note h3{margin-bottom:8px}
.visual-note p{color:var(--ink-soft);font-size:14px}
.stack-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.stack-chips span{font-size:12px;font-weight:600;padding:5px 12px;border-radius:8px;background:rgba(138,92,255,.1);color:var(--candy-violet)}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.service-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(255,95,143,.4)}
.service-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:19px;color:#fff;margin-bottom:14px}
.sc-1{background:linear-gradient(135deg,var(--candy-pink),var(--candy-orange))}
.sc-2{background:linear-gradient(135deg,var(--candy-sky),var(--candy-violet))}
.sc-3{background:linear-gradient(135deg,var(--candy-mint),var(--candy-sky))}
.sc-4{background:linear-gradient(135deg,var(--candy-orange),var(--candy-yellow))}
.service-card h3{margin-bottom:8px;font-size:17px}
.service-card p{font-size:14px;color:var(--ink-soft)}

/* FLOW */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{position:relative;background:#fff;border-radius:var(--radius);padding:26px 22px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.3s}
.flow-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.flow-num{font-size:26px;font-weight:800;background:linear-gradient(120deg,var(--candy-pink),var(--candy-violet));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}
.flow-step h3{font-size:16px;margin-bottom:8px}
.flow-step p{font-size:13.5px;color:var(--ink-soft)}

/* CASES */
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.case-card{background:#fff;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#f7f0e8}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.06)}
.case-body{padding:18px 20px 22px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--ink-soft)}
.case-tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;background:rgba(62,166,255,.12);color:var(--candy-sky);margin-bottom:10px}

/* COMPARE */
.compare-wrap{background:#fff;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;overflow:hidden}
.rating-top{display:flex;flex-wrap:wrap;align-items:center;gap:18px;padding:24px}
.stars{color:var(--candy-orange);font-size:22px;letter-spacing:2px}
.rating-score{font-size:30px;font-weight:800;color:var(--candy-pink);line-height:1}
.rating-label{font-size:13px;color:var(--ink-soft)}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(120deg,#fff4ea,#f3ecff);font-size:13px;font-weight:800;color:var(--ink)}
tbody tr{transition:background .2s}
tbody tr:hover{background:#fffaf3}
td:first-child{font-weight:700;color:var(--ink)}
td .good{color:#12a06a;font-weight:700}
td .mid{color:#c07800;font-weight:700}

/* REVIEWS */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.review-card{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:transform .3s,box-shadow .3s}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.review-stars{color:var(--candy-orange);letter-spacing:2px;font-size:14px}
.review-text{font-size:14px;color:var(--ink-soft);flex:1}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:12px}
.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:14px;background:linear-gradient(135deg,var(--candy-sky),var(--candy-violet))}
.review-user strong{font-size:14px;display:block}
.review-user small{font-size:12px;color:var(--ink-soft)}

/* TOKEN PRICING */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.price-card{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:26px 22px;box-shadow:var(--shadow);transition:.3s}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.price-card.featured{border:2px solid var(--candy-pink);position:relative}
.price-card.featured::after{content:"推荐";position:absolute;top:-12px;right:20px;background:linear-gradient(120deg,var(--candy-pink),var(--candy-orange));color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px}
.price-card h3{font-size:16px;margin-bottom:6px}
.price-tag{font-size:28px;font-weight:800;color:var(--candy-pink);margin:8px 0}
.price-tag small{font-size:13px;color:var(--ink-soft);font-weight:500}
.price-card ul{list-style:none;margin:14px 0 20px;display:grid;gap:8px}
.price-card li{font-size:13.5px;color:var(--ink-soft);padding-left:20px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--candy-mint);font-weight:800}

/* NETWORK */
.network{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.net-item{background:linear-gradient(140deg,#fff,#fff6ee);border:1px solid var(--line);border-radius:16px;padding:18px 20px;text-align:center;transition:.3s;box-shadow:var(--shadow)}
.net-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.net-item strong{display:block;font-size:16px;margin-bottom:4px}
.net-item span{font-size:13px;color:var(--ink-soft)}

/* FORM */
.form-section{background:linear-gradient(135deg,#fff,#fdf1e6);border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow);padding:36px;display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.form-intro h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.form-intro p{color:var(--ink-soft);font-size:15px;margin-bottom:20px}
.contact-list{display:grid;gap:12px}
.contact-item{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--ink)}
.contact-item .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--candy-pink),var(--candy-violet));flex-shrink:0;margin-top:8px}
.contact-item a{color:var(--candy-sky);font-weight:600}
form.req-form{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink);font-family:inherit;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--candy-sky);box-shadow:0 0 0 3px rgba(62,166,255,.15)}
.field textarea{resize:vertical;min-height:100px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-msg{font-size:13px;color:#12a06a;font-weight:600;display:none}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;background:none;border:none;cursor:pointer;font-size:15px;font-weight:700;color:var(--ink);text-align:left;font-family:inherit;transition:background .2s}
.faq-q:hover{background:#fffaf3}
.faq-q .icon{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--candy-pink),var(--candy-orange));color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s;font-weight:700;font-size:16px}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 18px;font-size:14px;color:var(--ink-soft)}

/* ARTICLES */
.articles{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.article-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column;gap:12px}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.article-card h3{font-size:16px}
.article-card p{font-size:13.5px;color:var(--ink-soft);flex:1}
.article-card a.more{font-size:13px;font-weight:700;color:var(--candy-sky)}

/* TAGS */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud span{padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-soft);transition:.25s;cursor:default}
.tag-cloud span:hover{background:linear-gradient(120deg,var(--candy-sky),var(--candy-violet));color:#fff;border-color:transparent;transform:translateY(-2px)}

/* FRIEND LINKS */
.friend-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.friend-links a{padding:8px 16px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-soft);transition:.25s}
.friend-links a:hover{color:#fff;background:linear-gradient(120deg,var(--candy-pink),var(--candy-violet));border-color:transparent;transform:translateY(-2px)}

/* FOOTER */
.site-footer{background:#221a30;color:#e9e3f0;margin-top:20px;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px}
.footer-brand p{font-size:13.5px;color:#b9aec9;margin:14px 0 18px;line-height:1.8}
.footer-brand .ai-page-logo{max-width:130px;background:#fff;padding:6px 10px;border-radius:10px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:#fff}
.footer-col a,.footer-col span{display:block;font-size:13px;color:#b9aec9;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--candy-yellow)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:12.5px;color:#9c90ad;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center}
.qr-box{display:flex;gap:14px;align-items:center;margin-top:6px}
.qr-box img{width:92px;height:92px;object-fit:cover;border-radius:10px;background:#fff;padding:4px}
.qr-box small{font-size:12px;color:#b9aec9;line-height:1.6}

/* FLOAT */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;box-shadow:0 8px 20px rgba(35,26,46,.25);transition:transform .25s,box-shadow .25s}
.float-btn:hover{transform:translateY(-3px) scale(1.05)}
.fb-top{background:linear-gradient(135deg,var(--candy-sky),var(--candy-violet));opacity:0;pointer-events:none;transition:opacity .3s,transform .25s}
.fb-top.show{opacity:1;pointer-events:auto}
.fb-kf{background:linear-gradient(135deg,var(--candy-pink),var(--candy-orange))}
.kf-pop{position:fixed;right:82px;bottom:22px;z-index:61;background:#fff;border-radius:18px;padding:18px;box-shadow:0 18px 44px rgba(35,26,46,.2);border:1px solid var(--line);display:none;width:220px;text-align:center}
.kf-pop.show{display:block;animation:fadeUp .3s ease}
.kf-pop img{width:150px;height:150px;object-fit:cover;border-radius:12px;margin:0 auto 10px;background:#f7f0e8}
.kf-pop p{font-size:13px;color:var(--ink-soft);line-height:1.6}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}

@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .about-grid,.form-section{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-links,.nav-cta .btn{display:none}
  .menu-toggle{display:flex}
  .services-grid,.reviews,.price-grid,.cases,.articles{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}
@media(max-width:640px){
  .section{padding:46px 0}
  .hero{padding:48px 0 56px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .about-list{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-section{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .float-tools{right:12px;bottom:16px}
  .kf-pop{right:74px;bottom:16px;width:200px}
  .qr-box{flex-direction:column;align-items:flex-start}
  .contact-list{gap:10px}
  th,td{padding:12px 14px;font-size:13px}
}