*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#0a0616;--bg2:#120a26;--card:rgba(30,16,60,.55);--card2:rgba(40,20,80,.4);
--pink:#ff3d9a;--purple:#a066ff;--violet:#7b2ff7;--cyan:#22e0ff;--txt:#ece8ff;--muted:#a99dd0;--line:rgba(160,102,255,.25);
--grad:linear-gradient(135deg,#ff3d9a 0%,#a066ff 60%,#5b2bd9 100%);
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:72px 0;position:relative}
.sec-tag{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--pink);border:1px solid var(--line);padding:4px 14px;border-radius:30px;margin-bottom:16px;background:rgba(255,61,154,.06)}
.sec-title{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:1px;margin-bottom:14px;line-height:1.3}
.sec-title span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-desc{color:var(--muted);font-size:15px;max-width:720px;margin-bottom:40px}
.center{text-align:center}.center .sec-desc{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:40px;font-weight:600;font-size:15px;transition:.3s;border:none;cursor:pointer}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 26px rgba(255,61,154,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 34px rgba(255,61,154,.55)}
.btn-ghost{border:1px solid var(--line);color:var(--txt);background:rgba(160,102,255,.08)}
.btn-ghost:hover{background:rgba(160,102,255,.2);transform:translateY(-3px)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,6,22,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 20px;height:66px;display:flex;align-items:center;justify-content:space-between}
.logo-wrap{display:flex;align-items:center;gap:10px}
.ai-page-logo{max-height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links a{padding:8px 13px;font-size:14px;color:var(--muted);border-radius:8px;transition:.25s;white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(160,102,255,.18)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-cta .btn{padding:9px 20px;font-size:13px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:90px;position:relative;overflow:hidden;background:radial-gradient(circle at 15% 20%,rgba(255,61,154,.18),transparent 45%),radial-gradient(circle at 85% 30%,rgba(123,47,247,.22),transparent 50%),radial-gradient(circle at 50% 90%,rgba(34,224,255,.10),transparent 55%),var(--bg)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(160,102,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(160,102,255,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at center,#000 40%,transparent 80%)}
.hero-glow{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(90px);opacity:.45;pointer-events:none}
.hero-glow.g1{background:var(--pink);top:-80px;left:-60px}
.hero-glow.g2{background:var(--purple);bottom:-100px;right:-40px}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:30px;border:1px solid var(--line);background:rgba(255,61,154,.08);font-size:13px;color:#ffb3d6;margin-bottom:26px}
.hero-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--pink);box-shadow:0 0 12px var(--pink);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(30px,5.2vw,60px);font-weight:900;line-height:1.2;letter-spacing:1px;margin-bottom:22px;max-width:900px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:clamp(15px,1.6vw,18px);color:var(--muted);max-width:680px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:840px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 16px;backdrop-filter:blur(8px);transition:.3s}
.stat-card:hover{transform:translateY(-6px);border-color:rgba(255,61,154,.5);box-shadow:0 14px 34px rgba(123,47,247,.3)}
.stat-card b{display:block;font-size:clamp(22px,3vw,30px);background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:900}
.stat-card span{font-size:13px;color:var(--muted)}

/* about */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px;transition:.35s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.4s}
.card:hover{transform:translateY(-8px);border-color:rgba(255,61,154,.45);box-shadow:0 18px 40px rgba(123,47,247,.28)}
.card:hover::after{transform:scaleX(1)}
.card .ico{width:48px;height:48px;border-radius:12px;background:rgba(160,102,255,.16);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:22px;color:var(--pink)}
.card h3{font-size:18px;margin-bottom:10px;font-weight:700}
.card p{font-size:14px;color:var(--muted)}

/* capabilities */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap{background:linear-gradient(160deg,var(--card2),rgba(20,10,40,.6));border:1px solid var(--line);border-radius:16px;padding:24px;transition:.35s}
.cap:hover{transform:translateY(-6px);border-color:rgba(160,102,255,.6);box-shadow:0 16px 36px rgba(255,61,154,.16)}
.cap h4{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.cap h4::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--grad)}
.cap p{font-size:13.5px;color:var(--muted)}

/* flow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.flow-step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 18px;text-align:center;transition:.35s}
.flow-step:hover{transform:translateY(-8px);border-color:var(--pink);box-shadow:0 16px 34px rgba(255,61,154,.2)}
.flow-step .num{font-size:26px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:10px}
.flow-step h4{font-size:15px;margin-bottom:6px}
.flow-step p{font-size:12.5px;color:var(--muted)}

/* timeline */
.timeline{position:relative;padding-left:6px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--pink),var(--purple),transparent)}
.tl-item{position:relative;padding:0 0 28px 34px}
.tl-item::before{content:"";position:absolute;left:2px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--pink);box-shadow:0 0 12px var(--pink)}
.tl-item h4{font-size:16px;margin-bottom:4px}
.tl-item p{font-size:13.5px;color:var(--muted)}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14px}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{background:rgba(160,102,255,.14);font-weight:700;color:#fff;white-space:nowrap}
td{color:var(--muted)}
tbody tr{transition:.25s}
tbody tr:hover{background:rgba(255,61,154,.06)}
.yes{color:#4dffb8;font-weight:600}
.hl{color:var(--pink);font-weight:700}

/* review */
.review-box{display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:start}
.score-card{background:linear-gradient(160deg,rgba(255,61,154,.18),rgba(123,47,247,.14));border:1px solid rgba(255,61,154,.4);border-radius:20px;padding:34px;text-align:center}
.score-card .score{font-size:64px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.score-card .full{font-size:14px;color:var(--muted);margin-bottom:8px}
.stars{color:#ffd23f;font-size:22px;letter-spacing:4px;margin:10px 0}
.score-card .rec{font-size:15px;color:var(--pink);font-weight:700}

/* comments */
.comment{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.35s}
.comment:hover{transform:translateY(-6px);border-color:rgba(255,61,154,.4);box-shadow:0 16px 34px rgba(123,47,247,.22)}
.comment .stars{font-size:15px;margin:0 0 12px;letter-spacing:2px}
.comment p{font-size:14px;color:#d6cdf5;margin-bottom:16px}
.comment .who{display:flex;align-items:center;gap:12px}
.comment .av{width:42px;height:42px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px}
.comment .who b{font-size:14px;display:block}
.comment .who span{font-size:12px;color:var(--muted)}

/* cases */
.case-card{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--card);transition:.35s}
.case-card:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(255,61,154,.2);border-color:rgba(255,61,154,.45)}
.case-card img{width:100%;height:220px;object-fit:cover}
.case-card .cbody{padding:22px}
.case-card h4{font-size:16px;margin-bottom:8px}
.case-card p{font-size:13.5px;color:var(--muted)}

/* tag cloud */
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags a,.tags span{padding:8px 16px;border-radius:30px;border:1px solid var(--line);background:rgba(160,102,255,.08);font-size:13px;color:var(--muted);transition:.25s}
.tags a:hover,.tags span:hover{color:#fff;border-color:var(--pink);background:rgba(255,61,154,.16);transform:translateY(-3px)}

/* price */
.price-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:.35s}
.price-card:hover{transform:translateY(-8px);border-color:rgba(255,61,154,.5);box-shadow:0 18px 40px rgba(123,47,247,.28)}
.price-card h4{font-size:17px;margin-bottom:6px}
.price-card .price{font-size:32px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:12px 0}
.price-card ul{list-style:none;font-size:13.5px;color:var(--muted)}
.price-card li{padding:6px 0;border-bottom:1px dashed var(--line)}
.price-card li::before{content:"✓ ";color:var(--pink)}

/* articles */
.art-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.art-item{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;transition:.3s}
.art-item:hover{transform:translateX(6px);border-color:rgba(255,61,154,.45);box-shadow:0 12px 30px rgba(123,47,247,.2)}
.art-item .dot{min-width:44px;height:44px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}
.art-item h4{font-size:15px;margin-bottom:4px}
.art-item p{font-size:12.5px;color:var(--muted)}

/* form */
.form-wrap{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
label{display:block;font-size:13.5px;margin-bottom:8px;color:var(--muted)}
input,select,textarea{width:100%;padding:12px 15px;border-radius:10px;border:1px solid var(--line);background:rgba(10,6,22,.7);color:var(--txt);font-size:14px;font-family:inherit;transition:.25s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,61,154,.18)}
textarea{resize:vertical;min-height:110px}
button.submit{width:100%;padding:15px;border:none;border-radius:12px;background:var(--grad);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:.3s;margin-top:8px}
button.submit:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(255,61,154,.45)}

/* faq */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(255,61,154,.35)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-weight:600;font-size:15px}
.faq-q i{font-style:normal;font-size:22px;color:var(--pink);transition:.3s;line-height:1}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--muted);font-size:14px}
.faq-a p{padding:0 24px 22px}

/* footer */
footer{background:linear-gradient(180deg,var(--bg2),#07030f);border-top:1px solid var(--line);padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;margin-bottom:40px}
.foot-grid h4{font-size:15px;margin-bottom:18px;color:#fff}
.foot-grid a,.foot-grid p{display:block;font-size:13.5px;color:var(--muted);margin-bottom:10px;transition:.25s}
.foot-grid a:hover{color:var(--pink);transform:translateX(3px)}
.foot-qr{width:96px;height:96px;border-radius:10px;object-fit:cover;border:1px solid var(--line);margin-top:8px}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;text-align:center;font-size:13px;color:var(--muted)}

/* float */
.float-bar{position:fixed;right:18px;bottom:90px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-bar a,.float-bar button{width:50px;height:50px;border-radius:50%;border:1px solid var(--line);background:rgba(20,10,40,.9);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;transition:.3s;backdrop-filter:blur(8px)}
.float-bar a:hover,.float-bar button:hover{background:var(--grad);transform:translateY(-4px);box-shadow:0 10px 26px rgba(255,61,154,.5)}
#backTop{opacity:0;pointer-events:none}
#backTop.show{opacity:1;pointer-events:auto}
.kefu-pop{position:fixed;right:80px;bottom:90px;z-index:901;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;display:none;text-align:center}
.kefu-pop.show{display:block}
.kefu-pop img{width:150px;height:150px;object-fit:cover;border-radius:10px}
.kefu-pop span{display:block;font-size:12px;color:var(--muted);margin-top:8px}

/* service network */
.net-map{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.net-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;font-size:13.5px;color:var(--muted);transition:.3s}
.net-item:hover{transform:translateY(-5px);color:#fff;border-color:var(--pink);background:rgba(255,61,154,.1)}

@media(max-width:1024px){
.nav-links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(10,6,22,.98);border-bottom:1px solid var(--line);padding:12px 16px;max-height:80vh;overflow-y:auto}
.nav-links.active{display:flex}
.nav-links a{padding:12px 14px;border-bottom:1px solid var(--line)}
.nav-cta .btn{display:none}
.burger{display:flex}
.hero-stats{grid-template-columns:repeat(2,1fr)}
.grid-3,.cap-grid,.grid-4,.flow,.net-map,.art-list,.foot-grid{grid-template-columns:repeat(2,1fr)}
.review-box{grid-template-columns:1fr}
.form-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
section{padding:52px 0}
.grid-3,.cap-grid,.grid-4,.flow,.net-map,.art-list,.foot-grid,.hero-stats{grid-template-columns:1fr}
.hero{padding-top:80px;min-height:auto;padding-bottom:60px}
.hero h1{font-size:28px}
.float-bar{right:12px;bottom:70px}
.kefu-pop{right:70px;bottom:70px}
.foot-qr{width:80px;height:80px}
}