:root{
  --c1:#FF5A5F;--c2:#FF9F43;--c3:#FFD93D;--c4:#2ECC71;--c5:#3B82F6;--c6:#8B5CF6;--c7:#06B6D4;
  --ink:#161a2b;--ink2:#3b4159;--muted:#6b7280;--line:#e8eaf2;--bg:#ffffff;--soft:#f7f8fc;
  --grad:linear-gradient(100deg,#FF5A5F,#FF9F43,#FFD93D,#2ECC71,#3B82F6,#8B5CF6);
  --shadow:0 10px 30px rgba(22,26,43,.08);
  --shadow-lg:0 20px 50px rgba(22,26,43,.14);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
section{padding:78px 0;position:relative}
.sec-head{text-align:center;max-width:800px;margin:0 auto 48px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;padding:6px 16px;border-radius:999px;color:#fff;background:var(--grad);background-size:200% auto;margin-bottom:16px}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;letter-spacing:-.5px}
.sec-head h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:transform .25s,box-shadow .25s,filter .25s;font-family:inherit}
.btn-primary{color:#fff;background:var(--grad);background-size:200% auto;box-shadow:0 12px 26px rgba(255,95,95,.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(139,92,246,.32);background-position:right center}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#d7dae8}
.btn:active{transform:translateY(0) scale(.98)}

/* NAV */
header.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.ai-page-logo{max-width:100%;height:auto;width:auto;max-height:40px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:wrap}
.nav-links a{padding:8px 11px;font-size:14px;color:var(--ink2);border-radius:8px;transition:color .2s,background .2s;white-space:nowrap}
.nav-links a:hover{color:var(--c1);background:#fff0f0}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{padding:10px 22px;font-size:14px}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.burger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* HERO - NO IMAGES */
.hero{position:relative;overflow:hidden;padding:90px 0 80px;background:radial-gradient(1200px 600px at 80% -10%,#ffe9e9 0,transparent 60%),radial-gradient(900px 500px at 0% 20%,#e8f0ff 0,transparent 55%),linear-gradient(180deg,#fbfbff,#fff)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(139,92,246,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(139,92,246,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(700px 400px at 60% 30%,#000,transparent)}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:float 12s ease-in-out infinite;pointer-events:none}
.blob.b1{width:320px;height:320px;background:#FFC2C4;top:-80px;right:8%}
.blob.b2{width:260px;height:260px;background:#C4D7FF;bottom:-60px;left:5%;animation-delay:3s}
.blob.b3{width:200px;height:200px;background:#D5F5E3;top:40%;right:32%;animation-delay:6s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;color:var(--ink2);box-shadow:var(--shadow);margin-bottom:22px}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--c4);box-shadow:0 0 0 4px rgba(46,204,113,.2);display:inline-block}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.18;letter-spacing:-1px;font-weight:800}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:22px;font-size:16.5px;color:var(--ink2);max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-note{margin-top:20px;font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
.hero-note span::before{content:"✓";color:var(--c4);font-weight:800;margin-right:6px}
.hero-visual{position:relative;z-index:2}
.card-stack{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-lg)}
.card-stack h4{font-size:14px;color:var(--muted);font-weight:600;margin-bottom:18px}
.mini-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini{background:var(--soft);border-radius:14px;padding:16px;transition:transform .3s,background .3s}
.mini:hover{transform:translateY(-4px);background:#fff;box-shadow:var(--shadow)}
.mini .dot{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;margin-bottom:10px}
.mini b{display:block;font-size:14px}
.mini small{font-size:12px;color:var(--muted)}
.stack-bar{height:8px;border-radius:99px;background:#eef0f7;margin-top:8px;overflow:hidden}
.stack-bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}
.hero-stat-line{margin-top:22px;display:flex;gap:22px;flex-wrap:wrap}
.hero-stat-line div b{font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat-line div small{display:block;font-size:12px;color:var(--muted)}

/* DATA */
.stats{background:linear-gradient(180deg,#fff,#f8f9ff);padding:60px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center;transition:transform .3s,box-shadow .3s}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat-card b{display:block;font-size:clamp(26px,3vw,36px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800;line-height:1.2}
.stat-card span{font-size:14px;color:var(--muted)}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;margin-bottom:18px}
.about-text h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.about-text p{color:var(--ink2);margin-bottom:16px;font-size:15.5px}
.about-points{list-style:none;display:grid;gap:12px;margin-top:24px}
.about-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink2)}
.about-points li::before{content:"◆";color:var(--c5);font-size:12px;margin-top:7px}
.about-visual{display:grid;gap:16px}
.img-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s}
.img-frame:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.img-frame img{width:100%;height:auto;transition:transform .5s}
.img-frame:hover img{transform:scale(1.04)}
.visual-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* SERVICES */
.services{background:var(--soft)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.svc::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc:hover::after{transform:scaleX(1)}
.svc-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.svc h3{font-size:17px;margin-bottom:8px}
.svc p{font-size:14px;color:var(--muted)}
.svc .tag{display:inline-block;margin-top:12px;font-size:12px;padding:3px 10px;border-radius:99px;background:#f2f4fb;color:var(--ink2)}

/* FLOW */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;text-align:center;transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step .num{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;color:#fff;font-weight:800;background:var(--grad)}
.step b{display:block;font-size:15px;margin-bottom:6px}
.step small{font-size:13px;color:var(--muted);line-height:1.6}

/* CASES */
.cases{background:var(--soft)}
.case-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.case{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case .cap{padding:18px 20px}
.case .cap span{font-size:12px;font-weight:700;padding:2px 10px;border-radius:99px;color:#fff;background:var(--c5);display:inline-block;margin-bottom:8px}
.case .cap h3{font-size:16px;margin-bottom:6px}
.case .cap p{font-size:13.5px;color:var(--muted)}

/* NETWORK */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.net{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center;transition:transform .3s,box-shadow .3s}
.net:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.net b{display:block;font-size:15px;margin-bottom:6px}
.net small{color:var(--muted);font-size:13px}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;background:#fff;min-width:720px}
th,td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(90deg,#fff3f3,#f3f6ff);font-weight:700;color:var(--ink);white-space:nowrap}
tbody tr:hover{background:#fafbff}
td .yes{color:var(--c4);font-weight:700}
td .no{color:#c3c8d6}
.rating{display:inline-flex;align-items:center;gap:4px;color:#FFB020;font-weight:800}

/* SCORE CARD */
.score-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px}
.score{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center}
.score b{font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.score span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* TOKEN */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.token{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;transition:transform .3s,box-shadow .3s;position:relative}
.token:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.token.pop{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}
.token .badge-pop{position:absolute;top:-12px;right:18px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:99px}
.token h3{font-size:17px;margin-bottom:10px}
.token .price{font-size:28px;font-weight:800;color:var(--ink);margin-bottom:4px}
.token .price small{font-size:13px;color:var(--muted);font-weight:500}
.token ul{list-style:none;margin-top:16px;display:grid;gap:9px}
.token ul li{font-size:14px;color:var(--ink2);display:flex;gap:8px}
.token ul li::before{content:"✓";color:var(--c4);font-weight:800}

/* MATCH */
.match{background:var(--soft)}
.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.match-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink2)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:14.5px;font-family:inherit;background:#fbfcff;transition:border-color .2s,box-shadow .2s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c5);box-shadow:0 0 0 4px rgba(59,130,246,.12);background:#fff}
.field textarea{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.match-info h3{font-size:22px;margin-bottom:16px}
.match-info p{color:var(--ink2);font-size:15px;margin-bottom:20px}
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:14px;transition:transform .25s,box-shadow .25s}
.contact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.contact-item .ci-ico{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:800;flex:0 0 auto;font-size:14px}
.contact-item b{display:block;font-size:14px;margin-bottom:2px}
.contact-item span{font-size:13.5px;color:var(--muted);word-break:break-all}

/* REVIEWS */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rev{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.rev:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.rev .stars{color:#FFB020;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.rev p{font-size:14.5px;color:var(--ink2);flex:1}
.rev .who{display:flex;gap:12px;align-items:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;flex:0 0 auto}
.rev .who b{font-size:14px;display:block}
.rev .who small{font-size:12.5px;color:var(--muted)}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq.open{box-shadow:var(--shadow);border-color:#dfe3f0}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 24px;font-size:15.5px;font-weight:600;font-family:inherit;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink)}
.faq-q .ic{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#f2f4fb;color:var(--c5);font-weight:800;flex:0 0 auto;transition:transform .3s,background .3s,color .3s;font-size:16px}
.faq.open .faq-q .ic{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink2)}

/* ARTICLES */
.articles{background:var(--soft)}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.art{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .3s,box-shadow .3s}
.art:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.art .meta{font-size:12px;color:var(--muted);margin-bottom:10px}
.art h3{font-size:16px;margin-bottom:8px}
.art p{font-size:13.5px;color:var(--muted)}
.art a.more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--c5)}
.art a.more:hover{color:var(--c1)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;justify-content:center}
.tag-cloud a{font-size:13px;padding:7px 16px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink2);transition:.25s}
.tag-cloud a:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-2px)}

/* LINKS */
.links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.links a{font-size:13.5px;color:var(--ink2);padding:8px 18px;border-radius:99px;background:#fff;border:1px solid var(--line);transition:.25s}
.links a:hover{color:#fff;background:var(--c5);border-color:transparent}

/* FOOTER */
footer{background:#111529;color:#c8ccdb;padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.foot-brand h4{color:#fff;font-size:18px;margin-bottom:12px}
.foot-brand p{font-size:13.5px;color:#9aa0b5;margin-bottom:14px}
.foot-brand .ai-page-logo{filter:brightness(0) invert(1);opacity:.95}
.foot-col h5{color:#fff;font-size:14px;margin-bottom:14px;font-weight:700}
.foot-col ul{list-style:none;display:grid;gap:9px}
.foot-col a,.foot-col span{font-size:13.5px;color:#9aa0b5;transition:color .2s;word-break:break-all}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid #232840;padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7c8299}
.qr-mini{width:100px;border-radius:10px;margin-top:8px;border:3px solid #232840}

/* FLOAT */
.float-bar{position:fixed;right:22px;bottom:26px;display:flex;flex-direction:column;gap:12px;z-index:90}
.float-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;color:#fff;font-weight:800;font-size:12px;box-shadow:0 10px 24px rgba(22,26,43,.22);transition:transform .25s,box-shadow .25s;position:relative;font-family:inherit;line-height:1.1;text-align:center}
.float-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 16px 30px rgba(22,26,43,.3)}
.fb-kf{background:var(--grad)}
.fb-top{background:var(--c5);opacity:0;pointer-events:none}
.fb-top.show{opacity:1;pointer-events:auto}
.pop-kf{position:absolute;right:66px;bottom:0;width:220px;background:#fff;border-radius:16px;padding:16px;box-shadow:var(--shadow-lg);border:1px solid var(--line);display:none;text-align:center}
.pop-kf.show{display:block;animation:fadeUp .3s ease}
.pop-kf img{width:100%;border-radius:10px;margin-bottom:8px}
.pop-kf b{font-size:13px;color:var(--ink);display:block}
.pop-kf small{font-size:12px;color:var(--muted)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:1024px){
  .hero-grid,.about-grid,.match-grid{grid-template-columns:1fr;gap:36px}
  .stat-grid,.net-grid,.score-row{grid-template-columns:repeat(2,1fr)}
  .svc-grid,.rev-grid,.art-grid,.token-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-links{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 5%;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .35s ease;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 10px;border-radius:10px;border-bottom:1px solid #f3f4f9}
  .burger{display:flex}
  .nav-actions .btn-primary{display:none}
}
@media(max-width:720px){
  section{padding:56px 0}
  .stat-grid,.svc-grid,.rev-grid,.art-grid,.token-grid,.net-grid,.score-row,.case-grid,.flow{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding:56px 0}
  .hero-cta .btn{flex:1;justify-content:center}
  .float-bar{right:14px;bottom:18px}
  .pop-kf{right:0;bottom:66px}
  th,td{padding:12px}
}