:root{
  --ink:#12172b;
  --ink-2:#3c4560;
  --ink-3:#6b7490;
  --brand:#5b4bf5;
  --brand-2:#0fb5c9;
  --pink:#ef4f8d;
  --line:rgba(93,84,190,.14);
  --shadow-sm:0 8px 22px rgba(46,40,120,.07);
  --shadow-md:0 18px 40px rgba(46,40,120,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:#f6f7fe;
  background-image:
    radial-gradient(1100px 560px at 6% -4%, rgba(101,84,246,.16), transparent 62%),
    radial-gradient(980px 560px at 98% 6%, rgba(15,181,201,.15), transparent 60%),
    radial-gradient(900px 620px at 50% 104%, rgba(239,79,141,.10), transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0;line-height:1.36;font-weight:700;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* header */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid rgba(93,84,190,.12);
}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:112px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.5px;color:#171d33;white-space:nowrap}
.nav-links{display:flex;align-items:center;justify-content:flex-end;flex-wrap:nowrap;gap:0}
.nav-links a{display:block;padding:9px 10px;font-size:14px;font-weight:500;color:#2b3250;border-radius:8px;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:var(--brand);background:rgba(91,75,245,.08)}
.nav-links a.nav-cta{margin-left:12px;padding:9px 18px;border-radius:999px;color:#fff;font-weight:600;background:linear-gradient(120deg,#5b4bf5,#0fb5c9);box-shadow:0 8px 20px rgba(91,75,245,.28)}
.nav-links a.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(91,75,245,.34)}
.nav-toggle{display:none;width:42px;height:38px;padding:0;border:1px solid var(--line);border-radius:10px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#2b3250;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* hero */
.hero{position:relative;padding:52px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:42px;align-items:center}
.hero-badge{display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#4433c4;background:rgba(91,75,245,.10);border:1px solid rgba(91,75,245,.18)}
.hero h1{margin-top:18px;font-size:clamp(30px,5.2vw,52px);line-height:1.18;letter-spacing:-.6px}
.hero-sub{margin-top:18px;max-width:600px;font-size:clamp(15px,1.6vw,17px);color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;border:1px solid transparent;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;text-align:center;transition:transform .2s ease,box-shadow .25s ease,border-color .25s ease}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:linear-gradient(120deg,#5b4bf5 0%,#7a5cf6 42%,#0fb5c9 100%);color:#fff;box-shadow:0 12px 26px rgba(91,75,245,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(91,75,245,.36)}
.btn-ghost{background:#fff;color:#241f5e;border-color:rgba(91,75,245,.24);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(91,75,245,.46)}
.btn-block{width:100%}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tags li{padding:6px 13px;border-radius:999px;font-size:13px;color:#3b3f6b;background:rgba(255,255,255,.86);border:1px solid rgba(91,75,245,.16)}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;padding:26px;border-radius:28px;border:1px solid rgba(255,255,255,.75);background:linear-gradient(140deg,rgba(91,75,245,.16),rgba(15,181,201,.15) 55%,rgba(239,79,141,.12));box-shadow:0 26px 52px rgba(46,40,120,.13);overflow:hidden}
.orb{position:absolute;border-radius:50%;pointer-events:none}
.orb-1{width:190px;height:190px;left:-46px;top:-54px;background:radial-gradient(circle at 32% 32%,rgba(91,75,245,.55),rgba(91,75,245,0) 70%);animation:floatA 9s ease-in-out infinite}
.orb-2{width:210px;height:210px;right:-52px;bottom:-62px;background:radial-gradient(circle at 58% 42%,rgba(15,181,201,.5),rgba(15,181,201,0) 70%);animation:floatB 11s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(14px,18px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(-16px,-14px)}}
.stat-grid{position:relative;z-index:1;width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.stat-card{padding:18px 16px;border-radius:16px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.9);box-shadow:0 14px 28px rgba(46,40,120,.10);transition:transform .28s ease,box-shadow .28s ease}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 20px 36px rgba(46,40,120,.17)}
.stat-card strong{display:block;font-size:26px;line-height:1.2;letter-spacing:-.5px;color:#2b1f9e}
.stat-card span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3)}

/* section base */
.section{padding:58px 0}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.72) 16%,rgba(255,255,255,.72) 84%,rgba(255,255,255,0))}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center}
.eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#4433c4;background:rgba(91,75,245,.10);border:1px solid rgba(91,75,245,.16)}
.section-head h2{margin-top:16px;font-size:clamp(23px,3.2vw,34px);letter-spacing:-.4px}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--ink-2)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
.about-text p{font-size:15.5px;color:var(--ink-2)}
.about-text p + p{margin-top:14px}
.check-list{display:grid;gap:12px;padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#2c3352}
.check-list li::before{content:"✓";flex:0 0 18px;height:18px;margin-top:4px;border-radius:50%;background:linear-gradient(135deg,#5b4bf5,#0fb5c9);color:#fff;font-size:11px;line-height:18px;text-align:center;font-weight:700}
.about-banners{display:grid;grid-template-columns:1fr;gap:18px;margin-top:30px}
.media-frame{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.media-frame:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.media-frame img{width:100%}

/* grids */
.card-grid{display:grid;grid-template-columns:1fr;gap:18px}
.service-card{position:relative;padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease}
.service-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#5b4bf5,#0fb5c9,#ef4f8d);opacity:0;transition:opacity .28s ease}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.service-card:hover::before{opacity:1}
.s-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,rgba(91,75,245,.16),rgba(15,181,201,.20));color:#4534d8}
.service-card h3{margin-top:16px;font-size:17px}
.service-card p{margin-top:10px;font-size:14.2px;line-height:1.72;color:var(--ink-3)}

/* make */
.make-grid{display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
.make-media{max-width:380px;margin:0 auto;border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.make-body h3{font-size:clamp(20px,2.6vw,26px)}
.make-body > p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.make-list{display:grid;gap:14px;margin-top:22px}
.make-item{display:flex;gap:14px;padding:16px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.make-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
.make-item .dot{flex:0 0 24px;width:24px;height:24px;margin-top:3px;border-radius:50%;background:linear-gradient(135deg,#5b4bf5,#0fb5c9);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}
.make-item h4{margin:0;font-size:15.5px;font-weight:700;color:#1b2138}
.make-item p{margin-top:6px;font-size:14px;color:var(--ink-3);line-height:1.7}

/* solutions */
.solution-card{position:relative;padding:22px 20px 22px 26px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.solution-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:linear-gradient(180deg,#5b4bf5,#0fb5c9)}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.solution-card h3{font-size:16.5px}
.solution-card p{margin-top:9px;font-size:14px;line-height:1.72;color:var(--ink-3)}

/* network */
.net-card{padding:22px;border-radius:16px;background:linear-gradient(160deg,#ffffff,rgba(91,75,245,.06));border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.net-card h3{font-size:16px}
.net-card p{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.72}

/* process */
.steps{display:grid;grid-template-columns:1fr;gap:16px}
.step{padding:22px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,#5b4bf5,#0fb5c9)}
.step h3{margin-top:14px;font-size:15.5px}
.step p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--ink-3)}

/* cases */
.case-grid{display:grid;grid-template-columns:1fr;gap:22px}
.case-card{border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-media{background:#f2f3fb;overflow:hidden}
.case-media img{width:100%;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-body{padding:20px 22px 24px}
.case-body h3{font-size:17px}
.case-body p{margin-top:10px;font-size:14.2px;line-height:1.72;color:var(--ink-3)}

/* compare */
.rating-wrap{display:flex;justify-content:center;margin-bottom:32px}
.rating-card{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:26px;padding:24px 34px;border-radius:20px;text-align:center;background:linear-gradient(120deg,rgba(91,75,245,.13),rgba(15,181,201,.13));border:1px solid rgba(91,75,245,.20)}
.rating-score{font-size:42px;font-weight:800;line-height:1;letter-spacing:-1px;color:#2b1f9e}
.rating-score span{font-size:16px;font-weight:600;margin-left:2px;color:#5a6183}
.rating-stars{font-size:20px;letter-spacing:3px;color:#e09305}
.rating-label{margin-top:6px;font-size:14px;color:#3d4470}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px}
thead th{padding:15px 18px;text-align:left;white-space:nowrap;font-weight:700;color:#241f5e;background:linear-gradient(120deg,rgba(91,75,245,.11),rgba(15,181,201,.11));border-bottom:1px solid var(--line)}
tbody td{padding:14px 18px;vertical-align:top;color:#333b58;border-bottom:1px solid rgba(93,84,190,.09)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(91,75,245,.04)}
td.hl{font-weight:600;color:#3b2ac9;background:rgba(91,75,245,.05)}

/* token price */
.price-grid{display:grid;grid-template-columns:1fr;gap:16px}
.price-item{position:relative;padding:20px 22px 20px 26px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.price-item::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:linear-gradient(180deg,#0fb5c9,#5b4bf5)}
.price-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.price-item h3{font-size:15.5px}
.price-item p{margin-top:8px;font-size:14px;line-height:1.72;color:var(--ink-3)}

/* form */
.match-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
.req-form{display:grid;gap:16px;padding:26px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.form-row{display:grid;grid-template-columns:1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;font-weight:600;color:#2c3352}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(93,84,190,.22);background:#fbfbff;font-family:inherit;font-size:14.5px;color:#1c2237;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field input::placeholder,.field textarea::placeholder{color:#9aa0bb}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#5b4bf5;background:#fff;box-shadow:0 0 0 4px rgba(91,75,245,.12)}
.field textarea{resize:vertical;min-height:112px}
.aside-card{padding:24px;border-radius:20px;background:linear-gradient(160deg,rgba(91,75,245,.10),rgba(15,181,201,.10));border:1px solid rgba(91,75,245,.18)}
.aside-card h3{font-size:16px}
.aside-card ul{display:grid;gap:10px;margin-top:14px}
.aside-card li{position:relative;padding-left:18px;font-size:14px;color:#333b58;line-height:1.7}
.aside-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:#5b4bf5}

/* faq */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{overflow:hidden;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .25s ease}
.faq-item.open{border-color:rgba(91,75,245,.38);box-shadow:var(--shadow-md)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 20px;border:none;background:none;cursor:pointer;font-family:inherit;font-size:15.5px;font-weight:600;line-height:1.5;text-align:left;color:#1b2138}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;border-radius:2px;background:#5b4bf5;transition:transform .28s ease,opacity .28s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 20px 18px;font-size:14.5px;line-height:1.78;color:var(--ink-2)}

/* wiki tags */
.tag-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:900px;margin:0 auto}
.tag-cloud li{padding:8px 16px;border-radius:999px;font-size:14px;color:#333a66;background:#fff;border:1px solid rgba(91,75,245,.18);transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}
.tag-cloud li:hover{transform:translateY(-3px);border-color:rgba(91,75,245,.46);color:#3b2ac9;box-shadow:0 10px 20px rgba(91,75,245,.14)}

/* news */
.news-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.news-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-list a:hover{transform:translateX(4px);border-color:rgba(91,75,245,.40);box-shadow:var(--shadow-md)}
.news-list h3{font-size:15.5px;font-weight:600;color:#1b2138}
.news-arrow{flex:0 0 auto;font-weight:700;color:#5b4bf5}

/* reviews */
.review-grid{display:grid;grid-template-columns:1fr;gap:18px}
.review-card{display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.review-text{flex:1;font-size:14.5px;line-height:1.8;color:#333b58}
.review-user{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid rgba(93,84,190,.10)}
.review-avatar{display:flex;align-items:center;justify-content:center;flex:0 0 38px;width:38px;height:38px;border-radius:50%;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,#5b4bf5,#0fb5c9)}
.review-name{font-size:14px;font-weight:600;color:#1b2138}
.review-role{font-size:12.5px;color:var(--ink-3)}

/* join */
.join-card{position:relative;overflow:hidden;padding:40px 26px;border-radius:24px;text-align:center;color:#fff;background:linear-gradient(120deg,#4f3ff0 0%,#6d4df6 40%,#0fb5c9 100%);box-shadow:0 24px 48px rgba(79,63,240,.28)}
.join-card h2{font-size:clamp(22px,3vw,30px);color:#fff}
.join-card > p{max-width:720px;margin:14px auto 0;font-size:15px;color:rgba(255,255,255,.9)}
.join-points{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.join-points span{padding:7px 14px;border-radius:999px;font-size:13.5px;color:#fff;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.30)}
.join-card .btn-light{margin-top:26px;background:#fff;color:#2b1f9e;box-shadow:0 12px 26px rgba(0,0,0,.16)}
.join-card .btn-light:hover{transform:translateY(-2px)}

/* contact */
.contact-main{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
.contact-list{display:grid;grid-template-columns:1fr;gap:14px}
.contact-item{padding:16px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.contact-item span{display:block;font-size:12.5px;letter-spacing:.4px;color:var(--ink-3)}
.contact-item strong{display:block;margin-top:6px;font-size:15px;font-weight:600;color:#1b2138;word-break:break-all}
.qr-card{padding:22px;border-radius:20px;text-align:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.qr-card img{width:150px;margin:0 auto;border-radius:12px}
.qr-card p{margin-top:12px;font-size:13.5px;color:var(--ink-3)}

/* footer */
.site-footer{padding:44px 0 26px;background:#12142b;color:#c7cbe4}
.footer-top{display:grid;grid-template-columns:1fr;gap:28px}
.footer-brand .brand-name{font-size:18px;font-weight:700;color:#fff}
.footer-brand p{margin-top:10px;font-size:14px;line-height:1.8;color:#a7add0}
.footer-home{display:inline-block;margin-top:14px;padding-bottom:2px;font-size:14px;color:#8fd7ff;border-bottom:1px solid rgba(143,215,255,.5)}
.footer-home:hover{color:#fff;border-color:#fff}
.footer-label{margin-bottom:14px;font-size:14px;font-weight:600;color:#fff}
.link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}
.link-grid a{font-size:13.5px;color:#b8bddd;transition:color .2s ease}
.link-grid a:hover{color:#fff}
.footer-bottom{margin-top:32px;padding-top:18px;font-size:13px;text-align:center;color:#9aa0c4;border-top:1px solid rgba(255,255,255,.12)}

/* float tools */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.float-btn{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:600;transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease}
.float-kf{color:#fff;background:linear-gradient(135deg,#5b4bf5,#0fb5c9);box-shadow:0 12px 26px rgba(91,75,245,.38)}
.float-kf:hover{transform:translateY(-3px)}
#backTop{font-size:18px;color:#3b2ac9;background:#fff;border:1px solid rgba(91,75,245,.24);box-shadow:var(--shadow-sm);opacity:0;pointer-events:none}
#backTop.show{opacity:1;pointer-events:auto}
#backTop:hover{transform:translateY(-3px)}
.kf-panel{position:absolute;right:0;bottom:64px;display:none;width:220px;padding:16px;border-radius:16px;text-align:center;background:#fff;border:1px solid var(--line);box-shadow:0 20px 40px rgba(30,25,90,.18)}
.kf-panel.open{display:block;animation:popIn .22s ease}
@keyframes popIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.kf-panel img{width:150px;margin:0 auto;border-radius:10px}
.kf-panel p{margin-top:8px;font-size:13px;color:#2c3352}
.kf-panel p:first-child{margin-top:0;font-weight:600}

/* reveal */
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
html.js .reveal.in{opacity:1;transform:none}

@media (min-width:620px){
  .form-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .link-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:700px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-banners{grid-template-columns:repeat(2,minmax(0,1fr))}
  .price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:800px){
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .footer-top{grid-template-columns:1fr 1.4fr;gap:48px;align-items:start}
}
@media (min-width:860px){
  .section{padding:84px 0}
}
@media (min-width:900px){
  .hero{padding:76px 0 88px}
  .hero-grid{grid-template-columns:1.06fr .94fr;gap:56px}
  .about-grid{grid-template-columns:1.1fr .9fr;gap:40px}
  .make-grid{grid-template-columns:.85fr 1.15fr;gap:48px}
  .match-grid{grid-template-columns:1.25fr .75fr;gap:36px}
  .contact-main{grid-template-columns:1.3fr .7fr;gap:34px}
  .steps{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
}
@media (min-width:1000px){
  .card-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;left:-20px;right:-20px;top:100%;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:8px 0 12px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(40,30,110,.10)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 20px;border-radius:0}
  .nav-links a.nav-cta{margin:12px 20px 6px;padding:12px 18px;border-radius:999px;text-align:center}
}
@media (max-width:560px){
  .brand .ai-page-logo{width:92px}
  .brand-text{font-size:15px}
  .float-tools{right:14px;bottom:16px}
  .float-btn{width:46px;height:46px}
  .rating-card{padding:20px 22px;gap:18px}
  .rating-score{font-size:34px}
  .join-card{padding:32px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .orb-1,.orb-2{animation:none}
  html.js .reveal{opacity:1;transform:none;transition:none}
}