:root{
  --bg:#070912;
  --bg-2:#0b0f1c;
  --panel:rgba(255,255,255,.04);
  --panel-2:rgba(255,255,255,.06);
  --line:rgba(140,170,255,.16);
  --text:#e9edf7;
  --muted:#9aa6c4;
  --brand:#5b8cff;
  --brand-2:#8b5cf6;
  --cyan:#22d3ee;
  --pink:#f472b6;
  --green:#34d399;
  --grad:linear-gradient(120deg,#5b8cff 0%,#8b5cf6 35%,#22d3ee 70%,#f472b6 100%);
  --radius:16px;
  --shadow:0 12px 40px rgba(10,20,60,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block}
.container{width:min(1200px,92%);margin:0 auto}
section{position:relative;padding:84px 0}
.section-head{max-width:820px;margin:0 auto 46px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.22em;color:var(--cyan);text-transform:uppercase;margin-bottom:14px;padding:6px 16px;border:1px solid var(--line);border-radius:999px;background:rgba(34,211,238,.06)}
h2{font-size:clamp(24px,3vw,38px);line-height:1.25;font-weight:800;letter-spacing:.5px}
.section-head p{color:var(--muted);margin-top:14px;font-size:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* navbar */
header.site-nav{position:sticky;top:0;z-index:100;background:rgba(7,9,18,.78);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{height:38px;width:auto;max-width:100%}
.brand-name{font-size:19px;font-weight:800;letter-spacing:1px}
.brand-name small{display:block;font-size:11px;color:var(--muted);letter-spacing:2px;font-weight:400}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto}
.nav-links a{padding:8px 12px;font-size:14px;color:var(--muted);border-radius:8px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links a:hover{color:#fff;background:rgba(91,140,255,.14)}
.nav-cta{display:flex;gap:10px;align-items:center;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:transform .2s,box-shadow .25s,filter .2s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 26px rgba(91,140,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(139,92,246,.5);filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(91,140,255,.16);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(9,12,24,.98);padding:10px 16px 18px;border-bottom:1px solid var(--line);gap:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px}
  .nav-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
}

/* hero */
.hero{position:relative;padding:96px 0 90px;overflow:hidden;background:
  radial-gradient(900px 500px at 12% 8%,rgba(91,140,255,.22),transparent 60%),
  radial-gradient(800px 500px at 88% 0%,rgba(139,92,246,.22),transparent 60%),
  radial-gradient(700px 500px at 50% 110%,rgba(34,211,238,.14),transparent 60%),
  var(--bg);}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(140,170,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,255,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 75%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(91,140,255,.1);font-size:13px;color:#c9d6ff;margin-bottom:22px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1{font-size:clamp(30px,4.2vw,54px);line-height:1.18;font-weight:900;letter-spacing:1px}
.hero p.lead{color:#b4c0dd;font-size:clamp(15px,1.3vw,18px);margin-top:22px;max-width:600px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-btns .btn{padding:14px 32px;font-size:16px}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;color:var(--muted);font-size:14px}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points svg{width:16px;height:16px;stroke:var(--green)}
.hero-panel{position:relative;border-radius:22px;padding:26px;background:linear-gradient(160deg,rgba(91,140,255,.12),rgba(139,92,246,.08));border:1px solid var(--line);box-shadow:var(--shadow);animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-panel h3{font-size:15px;color:#cdd8ff;margin-bottom:18px;letter-spacing:1px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-stat{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;padding:16px}
.hero-stat b{font-size:24px;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{font-size:12.5px;color:var(--muted)}
.hero-models{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.hero-models i{font-style:normal;font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#a9b8dc}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-panel{animation:none}}

/* data metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-40px;position:relative;z-index:5}
.metric{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:transform .25s,box-shadow .25s}
.metric:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.metric b{font-size:32px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.metric span{color:var(--muted);font-size:13.5px}
@media(max-width:820px){.metrics{grid-template-columns:1fr 1fr}}

/* cards grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .28s,border-color .28s,box-shadow .28s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 60%,rgba(139,92,246,.08));opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.5);box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.card .ico{width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,rgba(91,140,255,.25),rgba(34,211,238,.15));display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ico svg{width:24px;height:24px;stroke:var(--cyan)}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* capability list */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cap{display:flex;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;transition:.25s}
.cap:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.45)}
.cap .num{font-weight:800;color:var(--brand);font-size:15px;flex-shrink:0;width:30px}
.cap h4{font-size:15.5px;margin-bottom:6px}
.cap p{font-size:13.5px;color:var(--muted)}
@media(max-width:900px){.cap-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.cap-grid{grid-template-columns:1fr}}

/* flow steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.step{text-align:center;padding:24px 14px;border-radius:14px;background:var(--panel);border:1px solid var(--line);position:relative;transition:.25s}
.step:hover{transform:translateY(-5px);border-color:rgba(91,140,255,.5)}
.step .circle{width:46px;height:46px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-weight:800;background:var(--grad);color:#fff;font-size:17px}
.step h4{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.steps{grid-template-columns:1fr}}

/* table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:rgba(91,140,255,.12);font-weight:700;color:#dbe3ff}
tbody tr{transition:background .2s}
tbody tr:hover{background:rgba(255,255,255,.03)}
td .yes{color:var(--green);font-weight:700}
td .no{color:#8a94b0}

/* compare score */
.score-card{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;background:linear-gradient(140deg,rgba(91,140,255,.14),rgba(139,92,246,.08));border:1px solid var(--line);border-radius:22px;padding:38px;margin-bottom:34px}
.score-big{text-align:center;min-width:170px}
.score-big .val{font-size:60px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-big .stars{color:#ffd166;font-size:20px;letter-spacing:3px;margin:10px 0 6px}
.score-big small{color:var(--muted);font-size:13px}
.score-desc h3{font-size:20px;margin-bottom:10px}
.score-desc p{color:var(--muted);font-size:15px}
.score-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.score-badges span{font-size:12.5px;padding:6px 13px;border-radius:999px;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);color:#a9ecf7}
@media(max-width:680px){.score-card{grid-template-columns:1fr;text-align:center}.score-desc h3,.score-desc p{text-align:center}}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s}
.faq-item.open{border-color:rgba(139,92,246,.5)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--text);font-size:16px;font-weight:600;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:16px;font-family:inherit}
.faq-q .plus{font-size:22px;color:var(--brand);transition:transform .3s;flex-shrink:0;line-height:1}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14.5px}
.faq-a div{padding:0 24px 22px}

/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s;display:flex;flex-direction:column}
.quote:hover{transform:translateY(-5px);border-color:rgba(91,140,255,.5);box-shadow:var(--shadow)}
.quote .stars{color:#ffd166;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.quote p{font-size:14.5px;color:#c3cde6;flex:1}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;flex-shrink:0}
.who b{font-size:14px;display:block}
.who small{font-size:12px;color:var(--muted)}
@media(max-width:900px){.quote-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.quote-grid{grid-template-columns:1fr}}

/* cases / images */
.img-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.img-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:relative;background:var(--panel);transition:.3s}
.img-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(139,92,246,.5)}
.img-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0d1324}
.img-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.img-card:hover .thumb img{transform:scale(1.06)}
.img-card .thumb.square{aspect-ratio:4/5}
.img-card .info{padding:16px 18px}
.img-card .info h4{font-size:15.5px;margin-bottom:4px}
.img-card .info span{font-size:12.5px;color:var(--muted)}
@media(max-width:900px){.img-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.img-grid{grid-template-columns:1fr}}

/* banner strip */
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.strip .b{grid-column:span 1;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:relative;aspect-ratio:16/9;background:#0d1324}
.strip .b:first-child{grid-column:span 2}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.strip .b:hover img{transform:scale(1.05)}
.strip .b::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(7,9,18,.55));pointer-events:none}
@media(max-width:900px){.strip{grid-template-columns:1fr}.strip .b:first-child{grid-column:span 1}}

/* network timeline pricing */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.net{border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--panel);transition:.25s}
.net:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4)}
.net h4{font-size:16px;margin-bottom:8px;color:#dbe6ff}
.net p{font-size:13.5px;color:var(--muted)}
.net .tag{font-size:11.5px;color:var(--cyan);letter-spacing:1px}
@media(max-width:900px){.net-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.net-grid{grid-template-columns:1fr}}

.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),var(--cyan),var(--pink))}
.tl-item{position:relative;padding:0 0 30px 26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.6)}
.tl-item h4{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted)}
.tl-item .time{font-size:12.5px;color:var(--cyan);letter-spacing:1px}

.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price{border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;background:var(--panel);position:relative;transition:.3s}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price.hot{border-color:rgba(139,92,246,.6);background:linear-gradient(160deg,rgba(139,92,246,.14),rgba(91,140,255,.06))}
.price .badge{position:absolute;top:-12px;right:22px;background:var(--grad);color:#fff;font-size:12px;padding:4px 14px;border-radius:999px}
.price h4{font-size:17px;margin-bottom:6px}
.price .p{font-size:30px;font-weight:900;margin:12px 0 4px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.price .p small{font-size:13px;color:var(--muted);font-weight:400}
.price ul{list-style:none;margin:16px 0 22px;font-size:14px;color:#b7c3df}
.price ul li{padding:6px 0;padding-left:22px;position:relative}
.price ul li::before{content:"✓";position:absolute;left:0;color:var(--green)}
.price .btn{width:100%}
@media(max-width:860px){.price-grid{grid-template-columns:1fr}}

/* form */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.contact-info{background:linear-gradient(160deg,rgba(91,140,255,.12),rgba(139,92,246,.06));border:1px solid var(--line);border-radius:22px;padding:34px}
.contact-info h3{font-size:20px;margin-bottom:16px}
.contact-info .row{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#c2cde8}
.contact-info .row:last-of-type{border-bottom:none}
.contact-info .row span{color:var(--muted);min-width:76px}
.qr{margin-top:20px;text-align:center}
.qr img{width:150px;height:150px;object-fit:cover;border-radius:12px;border:1px solid var(--line);margin:0 auto;background:#fff}
.qr small{display:block;color:var(--muted);font-size:12.5px;margin-top:8px}
.form-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:#c6d1ec}
.field input,.field select,.field textarea{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:11px;padding:12px 14px;color:var(--text);font-size:14.5px;font-family:inherit;outline:none;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,140,255,.18)}
.field textarea{resize:vertical;min-height:110px}
.field select option{background:#0d1324;color:#fff}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px}
.form-msg{margin-top:14px;font-size:14px;display:none}
.form-msg.ok{display:block;color:var(--green)}
@media(max-width:860px){.form-wrap{grid-template-columns:1fr}}

/* articles & links */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.art{border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--panel);transition:.25s;display:flex;flex-direction:column;gap:10px}
.art:hover{transform:translateY(-5px);border-color:rgba(91,140,255,.5)}
.art .cat{font-size:12px;color:var(--cyan);letter-spacing:1px}
.art h4{font-size:15.5px;line-height:1.5}
.art p{font-size:13.5px;color:var(--muted);flex:1}
.art .more{font-size:13px;color:var(--brand)}
@media(max-width:900px){.article-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.article-grid{grid-template-columns:1fr}}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px}
.tag-cloud a{font-size:13px;padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#aebadb;transition:.2s}
.tag-cloud a:hover{color:#fff;border-color:var(--brand);background:rgba(91,140,255,.16);transform:translateY(-2px)}

.friend-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:22px}
.friend-links a{font-size:14px;color:var(--muted);padding:6px 14px;border-radius:8px;border:1px solid var(--line);transition:.2s}
.friend-links a:hover{color:#fff;border-color:var(--brand);background:rgba(91,140,255,.14)}

/* footer */
footer{background:linear-gradient(180deg,var(--bg-2),#05070f);border-top:1px solid var(--line);padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:300px}
.foot-col h5{font-size:15px;margin-bottom:16px;color:#dfe6fb}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:.2s}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:var(--muted)}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* float */
.float-tools{position:fixed;right:20px;bottom:28px;z-index:120;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 24px rgba(91,140,255,.4);cursor:pointer;border:none;color:#fff;transition:.25s}
.float-btn:hover{transform:translateY(-4px) scale(1.05)}
.float-btn svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2}
#toTop{opacity:0;pointer-events:none;background:rgba(255,255,255,.08);border:1px solid var(--line)}
#toTop.show{opacity:1;pointer-events:auto}
.kefu-pop{position:fixed;right:84px;bottom:92px;background:#0d1324;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);z-index:121;display:none;text-align:center}
.kefu-pop.show{display:block}
.kefu-pop img{width:160px;height:160px;object-fit:cover;border-radius:10px;background:#fff}
.kefu-pop p{font-size:13px;color:var(--muted);margin-top:8px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* misc */
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.014),transparent)}
.note-bar{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;margin-top:20px;color:var(--muted);font-size:13.5px}
.note-bar span{display:flex;align-items:center;gap:6px}
.note-bar span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.ai-page-home-link{color:var(--muted);font-size:14px}
.ai-page-home-link:hover{color:#fff}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}