*{margin:0;padding:0;box-sizing:border-box}
:root{
  --purple:#7c3aed;
  --purple-deep:#4c1d95;
  --purple-light:#a78bfa;
  --pink:#e879f9;
  --blue:#3b82f6;
  --ink:#1a1033;
  --gray:#5b5670;
  --line:#ece7f7;
  --bg-soft:#faf8ff;
  --radius:18px;
  --shadow:0 10px 30px rgba(76,29,149,.10);
  --shadow-lg:0 20px 50px rgba(76,29,149,.20);
}
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:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:80px 0;position:relative}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--purple);background:rgba(124,58,237,.08);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.sec-title{font-size:clamp(24px,3.2vw,38px);font-weight:800;letter-spacing:.5px;line-height:1.3}
.sec-title .hl{background:linear-gradient(90deg,var(--purple),var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-sub{margin-top:14px;color:var(--gray);font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:13px 28px;border-radius:999px;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;box-shadow:0 8px 22px rgba(124,58,237,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(124,58,237,.45)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-line{background:#fff;color:var(--purple);border:1.5px solid var(--purple)}
.btn-line:hover{background:var(--purple);color:#fff;transform:translateY(-3px);box-shadow:0 10px 24px rgba(124,58,237,.3)}

/* nav */
header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:38px;width:auto;max-width:180px;object-fit:contain}
.brand-name{font-size:19px;font-weight:800;color:var(--purple-deep);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink);padding:8px 13px;border-radius:8px;transition:color .2s,background .2s;white-space:nowrap}
.nav-links a:hover{color:var(--purple);background:rgba(124,58,237,.07)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.mobile-menu{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 20px}
.mobile-menu a{padding:12px 4px;font-size:15px;border-bottom:1px solid var(--line)}
.mobile-menu.open{display:flex}

/* hero */
.hero{background:radial-gradient(circle at 15% 20%,#6d28d9 0%,#4c1d95 45%,#2e1065 100%);color:#fff;overflow:hidden;padding:96px 0 110px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;pointer-events:none}
.hero::before{width:520px;height:520px;background:#e879f9;top:-160px;right:-120px}
.hero::after{width:420px;height:420px;background:#3b82f6;bottom:-180px;left:-100px;opacity:.35}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:7px 16px;border-radius:999px;margin-bottom:24px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 10px #4ade80;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:900;line-height:1.18;letter-spacing:.5px}
.hero h1 .grad{background:linear-gradient(90deg,#f0abfc,#a78bfa 60%,#60a5fa);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{margin-top:22px;font-size:16.5px;color:rgba(255,255,255,.82);max-width:560px}
.hero-btns{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:22px 20px;backdrop-filter:blur(8px);transition:transform .3s,background .3s}
.stat-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.15)}
.stat-num{font-size:30px;font-weight:900;background:linear-gradient(90deg,#fff,#d8b4fe);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.72)}
.hero-bar{position:relative;z-index:2;margin-top:52px;display:flex;flex-wrap:wrap;gap:10px}
.chip{font-size:13px;padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.85)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-text p{color:var(--gray);margin-bottom:16px;font-size:15.5px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-item{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;font-weight:600}
.about-item .ic{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;margin-top:2px}
.about-img{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.about-img img{width:100%;height:100%;object-fit:cover}

/* services */
.services{background:var(--bg-soft)}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.svc::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--purple),var(--pink));transition:width .35s}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc:hover::after{width:100%}
.svc-ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(232,121,249,.12));margin-bottom:18px}
.svc h3{font-size:17px;font-weight:700;margin-bottom:8px}
.svc p{font-size:13.8px;color:var(--gray)}

/* models */
.models{background:linear-gradient(180deg,#fff,#f7f4ff)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tagcloud-item{font-size:14px;font-weight:600;padding:9px 20px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--purple-deep);transition:transform .25s,box-shadow .25s,background .25s,color .25s;cursor:default}
.tagcloud-item:hover{transform:translateY(-4px);background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;box-shadow:0 10px 24px rgba(124,58,237,.3);border-color:transparent}

/* workflow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 20px;position:relative;transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-size:32px;font-weight:900;background:linear-gradient(135deg,var(--purple),var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.step h3{font-size:16px;font-weight:700;margin:12px 0 8px}
.step p{font-size:13.5px;color:var(--gray)}

/* solutions */
.solutions{background:var(--bg-soft)}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sol{border-radius:var(--radius);padding:32px 28px;background:#fff;border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.sol:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.sol h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--purple-deep)}
.sol p{font-size:14px;color:var(--gray);margin-bottom:16px}
.sol ul li{font-size:13.8px;color:var(--gray);padding-left:20px;position:relative;margin-bottom:6px}
.sol ul li::before{content:"✓";position:absolute;left:0;color:var(--purple);font-weight:800}

/* network */
.net-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.net{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;transition:transform .3s,box-shadow .3s}
.net:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.net .region{font-size:17px;font-weight:800;color:var(--purple)}
.net p{font-size:13.5px;color:var(--gray);margin-top:6px}

/* cases */
.cases{background:linear-gradient(180deg,#f7f4ff,#fff)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-img{aspect-ratio:16/10;overflow:hidden;background:#f0ecfb}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case:hover .case-img img{transform:scale(1.05)}
.case-body{padding:22px}
.case-body h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.case-body p{font-size:13.5px;color:var(--gray)}
.case-meta{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.case-meta span{font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(124,58,237,.08);color:var(--purple);font-weight:600}

/* compare */
.compare{background:radial-gradient(circle at 80% 10%,#f5edff,#fff 60%)}
.rate-box{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-bottom:44px}
.rate-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 40px;text-align:center;box-shadow:var(--shadow)}
.rate-card .num{font-size:42px;font-weight:900;background:linear-gradient(135deg,var(--purple),var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.rate-card .lbl{font-size:14px;color:var(--gray);margin-top:6px}
.stars{color:#f59e0b;font-size:22px;letter-spacing:3px}
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(135deg,var(--purple-deep),var(--purple));color:#fff;font-weight:700;font-size:15px}
tbody tr:hover{background:rgba(124,58,237,.04)}
td .good{color:#059669;font-weight:700}
td .mid{color:#d97706;font-weight:600}

/* token */
.token{background:var(--bg-soft)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price{border-radius:var(--radius);padding:34px 28px;background:#fff;border:1px solid var(--line);text-align:center;position:relative;transition:transform .3s,box-shadow .3s}
.price:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.price.featured{border:2px solid var(--purple);box-shadow:var(--shadow-lg)}
.price .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--purple),var(--pink));padding:4px 16px;border-radius:999px;white-space:nowrap}
.price h3{font-size:18px;font-weight:800;margin-bottom:8px}
.price .p-amount{font-size:34px;font-weight:900;color:var(--purple);margin:14px 0 4px}
.price .p-amount small{font-size:14px;color:var(--gray);font-weight:500}
.price p{font-size:13.5px;color:var(--gray);margin-top:12px}

/* timeline */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--purple),var(--pink))}
.tl-item{position:relative;margin-bottom:34px}
.tl-item::before{content:"";position:absolute;left:-33px;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--purple);box-shadow:0 0 0 4px rgba(124,58,237,.12)}
.tl-year{font-size:14px;font-weight:800;color:var(--purple);margin-bottom:4px}
.tl-item p{font-size:14.5px;color:var(--gray)}

/* comments */
.comments{background:linear-gradient(180deg,#fff,#f7f4ff)}
.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.comment{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s,box-shadow .3s}
.comment:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.comment .c-stars{color:#f59e0b;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.comment p{font-size:14.2px;color:#3f3a52;margin-bottom:18px}
.c-user{display:flex;align-items:center;gap:12px}
.c-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.c-name{font-size:14.5px;font-weight:700}
.c-role{font-size:12.5px;color:var(--gray)}

/* articles */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .3s,box-shadow .3s,border-color .3s}
.article:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.article .a-date{font-size:12.5px;color:var(--purple);font-weight:600;margin-bottom:10px}
.article h3{font-size:16px;font-weight:700;margin-bottom:10px;line-height:1.5}
.article p{font-size:13.5px;color:var(--gray)}
.article:hover h3{color:var(--purple)}

/* faq */
.faq{background:var(--bg-soft)}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .3s}
.faq-item.active{box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-size:15.5px;font-weight:600;user-select:none}
.faq-q .plus{font-size:22px;color:var(--purple);transition:transform .3s;flex-shrink:0;font-weight:400}
.faq-item.active .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
.faq-a p{font-size:14.2px;color:var(--gray);padding-bottom:20px}

/* form */
.contact{background:linear-gradient(135deg,#2e1065,#4c1d95 55%,#6d28d9);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;width:500px;height:500px;background:#e879f9;border-radius:50%;filter:blur(120px);opacity:.25;top:-150px;right:-100px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;position:relative;z-index:2}
.contact-info h2{font-size:clamp(24px,3vw,36px);font-weight:900;margin-bottom:16px}
.contact-info p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:26px}
.contact-item{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.contact-item .ic{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-item .lbl{font-size:12.5px;color:rgba(255,255,255,.6)}
.contact-item .val{font-size:15px;font-weight:600}
.qr{display:flex;align-items:center;gap:16px;margin-top:26px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:16px;width:fit-content}
.qr img{width:96px;height:96px;border-radius:8px;object-fit:cover;background:#fff}
.qr .t{font-size:13.5px;color:rgba(255,255,255,.85)}
.form-card{background:#fff;border-radius:22px;padding:36px;box-shadow:var(--shadow-lg)}
.form-card h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:6px}
.form-card .f-sub{font-size:13.5px;color:var(--gray);margin-bottom:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;color:var(--ink);background:#fbfaff;transition:border-color .25s,box-shadow .25s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(124,58,237,.12)}
.form-group textarea{resize:vertical;min-height:96px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-card .btn{width:100%;margin-top:8px}

/* footer */
footer{background:#1a1033;color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand img{height:36px;width:auto;max-width:160px;object-fit:contain}
.foot-brand span{font-size:18px;font-weight:800;color:#fff}
footer h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px}
footer li{margin-bottom:10px}
footer a{transition:color .2s}
footer a:hover{color:var(--purple-light)}
.foot-soon{font-size:13px;color:rgba(255,255,255,.55);line-height:1.8}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 14px}
.foot-links a{font-size:13px;color:rgba(255,255,255,.6)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* float */
.float-wrap{position:fixed;right:20px;bottom:26px;display:flex;flex-direction:column;gap:12px;z-index:900}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff;box-shadow:0 8px 24px rgba(124,58,237,.4);cursor:pointer;border:none;font-size:22px;transition:transform .25s,box-shadow .25s;position:relative}
.float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 14px 30px rgba(124,58,237,.5)}
.float-tip{position:absolute;right:62px;top:50%;transform:translateY(-50%);background:#1a1033;color:#fff;font-size:12.5px;padding:6px 12px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s}
.float-btn:hover .float-tip{opacity:1}
#backTop{display:none}
#backTop.show{display:flex}

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

/* responsive */
@media(max-width:1080px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .flow{grid-template-columns:repeat(3,1fr)}
  .sol-grid,.case-grid,.comment-grid,.article-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:flex}
}
@media(max-width:720px){
  section{padding:56px 0}
  .card-grid,.flow,.sol-grid,.case-grid,.comment-grid,.article-grid,.price-grid,.net-list,.about-list,.form-row{grid-template-columns:1fr}
  .hero{padding:70px 0 80px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .rate-card{padding:20px 26px}
  .form-card{padding:26px 20px}
  .float-wrap{right:14px;bottom:18px}
  .float-btn{width:46px;height:46px;font-size:19px}
  .sec-head{margin-bottom:36px}
}